EP3330436A1 - Substrat fibreux, anti-hygroscopique avec résistance à l'humidité réglable et procédé de fabrication - Google Patents

Substrat fibreux, anti-hygroscopique avec résistance à l'humidité réglable et procédé de fabrication Download PDF

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Publication number
EP3330436A1
EP3330436A1 EP16201550.7A EP16201550A EP3330436A1 EP 3330436 A1 EP3330436 A1 EP 3330436A1 EP 16201550 A EP16201550 A EP 16201550A EP 3330436 A1 EP3330436 A1 EP 3330436A1
Authority
EP
European Patent Office
Prior art keywords
binder
acid
diol
mixtures
substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16201550.7A
Other languages
German (de)
English (en)
Other versions
EP3330436B1 (fr
Inventor
Josef Dr. Eckl
Hans Dr. Senger
Herbert Beck
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chem&p & Co KG GmbH
Original Assignee
Chem&p & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to PL16201550T priority Critical patent/PL3330436T3/pl
Application filed by Chem&p & Co KG GmbH filed Critical Chem&p & Co KG GmbH
Priority to ES16201550.7T priority patent/ES2693598T3/es
Priority to EP16201550.7A priority patent/EP3330436B1/fr
Priority to PT16201550T priority patent/PT3330436T/pt
Priority to TR2018/16478T priority patent/TR201816478T4/tr
Priority to PCT/EP2017/073275 priority patent/WO2018099623A1/fr
Priority to EP17767837.2A priority patent/EP3655584A1/fr
Priority to PCT/EP2017/079386 priority patent/WO2018099724A1/fr
Priority to JP2019529884A priority patent/JP6679058B2/ja
Priority to CA3045527A priority patent/CA3045527C/fr
Priority to RU2019116608A priority patent/RU2716449C1/ru
Priority to US16/465,495 priority patent/US11136720B2/en
Publication of EP3330436A1 publication Critical patent/EP3330436A1/fr
Application granted granted Critical
Publication of EP3330436B1 publication Critical patent/EP3330436B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/30—Alginic acid or alginates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/31—Gums
    • D21H17/32—Guar or other polygalactomannan gum
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/22—Agents rendering paper porous, absorbent or bulky
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper

Definitions

  • the present invention relates to a wet-strength fibrous substrate, wherein the substrate comprises fibers, at least one binder, at least one dampening solution and at least one amphoteric amine, wherein the at least one binder comprises or comprises at least one polysaccharide having at least one acid group-containing radical and a method for producing the fibrous substrate and its use.
  • Pre-moistened toilet tissue or skin wipes have long been known in the art and can be made from nonwoven, paper or tissue products treated to disadvantageously exhibit high wet strength. Therefore, these products exhibit post-insertion in water, for example in the toilet water, in contrast to dry toilet paper a longer shelf life. Due to the high wet strength, wet wipes generally disintegrate inadequately after introduction into water, so that they can contribute to the formation of pipe blockages and must be separated in the sewage treatment plant before the actual purification of the water.
  • the U.S. Patent 5,629,081 describes a disintegratable wet tissue wiped with a solution of 0.1-0.9% by weight of boric acid and 5-8% by weight of an alkali metal bicarbonate, in which the fibers are bound by a binder containing polyvinyl alcohol. Disadvantageously, the production of this product is very complicated and toxicologically questionable.
  • the U.S. Patent 4,755,421 discloses a nonwoven fabric made by water-jet needling of cellulosic fibers and regenerated cellulosic fibers which is to be broken up in the waste water by stirring or longer residence time.
  • the fiber fleece points disadvantageously also in the disposal of too high a mechanical durability.
  • EP 0 916 031 A discloses a pre-moistened, flushable wipe comprising a web of fibrous materials and an adhesive binder distributed throughout the web bonding the nonwoven web of the web, the adhesive binder consisting essentially of an acid-insoluble / alkali-soluble acidic polymer which is weak in an acidic liquid the bond between the fibers of the nonwoven should be stable.
  • the EP 0 372 388 A2 describes a water-breakable cleaning wipe comprising a web of water-dispersible fibers, the web comprising a water-soluble binder having a carboxyl group, at least one metal ion selected from the group consisting of alkaline earth, manganese, zinc, cobalt and nickel ions; is selected, and an organic solvent-containing, aqueous cleaning agent is incorporated.
  • the EP 2 785 914 A1 is directed to a water-decomposable nonwoven fibrous web comprising fibers passing through a water-soluble cellulose ether having a viscosity of up to 500 mPas measured as a 2% by weight solution in water at 20 ° C using a Haake Viscotester VT550 a cylinder system, measuring cup MV at 2.55 s -1 , are bound.
  • the known commercially available water-dispersible wet wipes on the one hand have the disadvantage that they contain partially aggressive, food-problematic or even allergenic and inflammatory substances to achieve a sufficient mechanical moisture resistance.
  • the moisture resistance is sometimes so greatly reduced that disadvantageously the integrity of the wet wipe is already destroyed by a low mechanical load, which may occur, for example, during use.
  • Another object of the present invention is to provide a wet-strength fibrous substrate which is easy and inexpensive to manufacture.
  • the object is achieved by providing a moisture-resistant, fibrous substrate according to claim 1, wherein the substrate comprises fibers, at least 1 binder, at least 1 amphoteric amine and at least 1 fountain solution, wherein the at least one binder at least 1 polysaccharide, the at least one acid group and wherein the at least one fountain solution comprises at least one organic component selected from the group consisting of aliphatic alcohols, aliphatic ethers, aliphatic esters, monosaccharides, oligosaccharides and mixtures thereof, preferably aliphatic alcohols, aliphatic ethers and mixtures thereof, exists, is selected contains.
  • the substrate comprises fibers, at least one, preferably water-soluble, binder, at least one, preferably water-soluble, amphoteric amine and at least one, preferably liquid, fountain solution, wherein the at least one, preferably water-soluble, binder comprises at least one, preferably water-soluble, polysaccharide or thereof and wherein the at least one, preferably water-soluble, polysaccharide has at least one acid group-containing radical, more preferably carboxyl-containing radical, and more preferably from the group, which is selected from carboxymethylcellulose (CMC), carboxymethyl starch (CMS) and mixtures thereof, more preferably carboxymethylcellulose, wherein the at least one, preferably water-soluble, amphoteric amine is at least one, preferably water-soluble, aminocarboxylic acid, more preferably alpha-aminocarboxylic acid; preferably from the group consisting of alanine, arginine, asparagine, aspartic acid, citrulline, cysteine, S-
  • the wet and wet strength of the wet-strength fibrous substrate is controllable.
  • the disintegration ability of the fibrous substrate according to the invention is controllable.
  • a moisture-resistant, fibrous substrate according to claim 15 as a hygiene article, in particular as a wet wipe, moist toilet paper, baby diaper, care cloth or cleaning cloth, or as a seed carrier, seed pot or plant bag.
  • binder is understood according to the invention as a polymeric substance comprising or consisting of at least one, preferably water-soluble, polysaccharide having at least one acid group-containing radical, more preferably carboxyl group-containing radical and which is capable of fibers of the substrate according to the invention to be joined together.
  • the at least one binder can adhere to the fibers by physical drying and bond them together by adhesion and / or cohesion.
  • the at least one, preferably water-soluble, binder comprising or consisting of at least one, preferably water-soluble, polysaccharide, wherein the polysaccharide has at least one acid group-containing radical, may be various binders, for example 2, 3, 4 or more, preferably water-soluble binders.
  • various binders may each contain or consist of different, preferably water-soluble, polysaccharides, wherein the at least one Each acid group-containing radical may be the same or different from each other.
  • the number of acid group-containing radicals per molecule of the respective polysaccharide and / or their structure may be the same or different from each other.
  • various binders may contain or consist of the same, preferably water-soluble, polysaccharide, wherein the binders may each differ, for example, from the number of acid group-containing moieties attached to a molecule of the particular polysaccharide and / or structure thereof.
  • amphoteric amine is understood according to the invention as meaning a, preferably organic, compound which can be both acceptor and proton donor, ie which can react both as Br ⁇ nsted acid and as Br ⁇ nsted base.
  • An amphoteric amine according to the invention preferably has at least 1 protonatable and / or protonated amino group and furthermore at least 1 deprotonatable and / or deprotonated acid group, more preferably carboxyl group.
  • the at least one, preferably water-soluble, amphoteric amine may be various amphoteric amines, for example 2, 3, 4 or more, preferably water-soluble, amphoteric amines.
  • an amphoteric amine is an aminocarboxylic acid and / or a salt and / or a complex thereof, more preferably an alpha-amino acid and / or a salt and / or a complex thereof.
  • a salt of an amphoteric amine preferably aminocarboxylic acid, more preferably alpha-aminocarboxylic acid, a salt of a polyvalent metal cation, more preferably Ca 2+ , Zn 2+ and mixtures thereof, more preferably Ca 2+ .
  • a complex of an amphoteric amine preferably aminocarboxylic acid, more preferably alpha-aminocarboxylic acid, a complex of a polyvalent metal cation, more preferably Ca 2+ , Zn 2+ and mixtures thereof, more preferably Ca 2+ .
  • dampening solution is understood according to the invention as meaning a substance or a composition which modifies the swelling properties of the at least one binder in water, preferably modifying the swelling of the at least one binder in the presence of water contained in the dampening solution.
  • the at least one fountain solution contains at least 1 organic component selected from the group consisting of aliphatic alcohols, aliphatic ethers, aliphatic esters, monosaccharides, oligosaccharides and mixtures thereof, preferably aliphatic alcohols, aliphatic ethers and mixtures thereof.
  • the at least one dampening solution furthermore prevents the substrate according to the invention from drying out, for example by binding water and / or preventing the evaporation of water and / or by binding air moisture to the substrate according to the invention.
  • the substrate according to the invention is solvent-containing, preferably moist. More preferably, the substrate of the invention has a solvent content, preferably a content of liquid constituents, from a range of 50 wt .-% to 450 wt .-%, more preferably from 90 wt .-% to 390 wt .-%, further preferably from 110 Wt% to 340 wt%, more preferably from 150 wt% to 310 wt%, more preferably from 160 wt% to 200 wt%, still more preferably from 230 wt% to 280% by weight, based in each case on the total weight of the substrate according to the invention in the dry state.
  • a solvent content preferably a content of liquid constituents, from a range of 50 wt .-% to 450 wt .-%, more preferably from 90 wt .-% to 390 wt .-%, further preferably from 110 Wt% to 340 wt%,
  • the inventors have found that, surprisingly, by using at least one, preferably water-soluble, binder comprising or consisting of at least one, preferably water-soluble, polysaccharide, the polysaccharide having at least one acid group-containing moiety, at least one, preferably water-soluble, amphoteric amine and at least one dampening solution, wherein the at least one dampening solution comprises at least one organic component selected from the group consisting of aliphatic alcohols, aliphatic ethers, aliphatic esters, monosaccharides, oligosaccharides and mixtures thereof, preferably aliphatic alcohols, aliphatic ethers and mixtures thereof.
  • the wet-strength fibrous substrate of the present invention when incorporated into water, has sufficient disintegration ability, i. low wet strength, in water, so that, for example, after disposal via the toilet blockages in the sewer pipe can be avoided or the substrate according to the invention in the sewage treatment plant before the actual purification of the wastewater must not be removed.
  • the moist, fibrous substrate according to the invention has sufficient mechanical stability even after prolonged storage.
  • wet strength in the context of the invention, the strength of a substrate according to the invention in the presence of, at least one organic Component-comprising aqueous fluid, wherein the at least one organic component is selected from the group consisting of aliphatic alcohols, aliphatic ethers, aliphatic esters, monosaccharides, oligosaccharides and mixtures thereof, preferably aliphatic alcohols, aliphatic ethers and mixtures thereof.
  • the "wet strength” can preferably be determined by a strip tensile test analogous to DIN EN ISO 13934-1 (1999-04), wherein preferably the wet substrate is measured directly.
  • a wet-strength, fibrous substrate according to the invention preferably has a moisture resistance, determined by means of strip tensile test according to DIN EN ISO 13934, Part 1 (Publication date: 1999-04) at 20 ° C. and a relative humidity of 65%, of more than 3 N, preferably from a range of 3 N to 250 N, more preferably from a range of 4 N to 150 N, more preferably from a range of 4.5 N to 120 N, further preferably from a range of 5 N to 80 N, more preferably from a range of 6 N to 55 N, up.
  • the wet strength of a substrate according to the present invention can be adjusted by varying the amounts of the ingredients contained in the substrate within the limits of the respective ingredients given below.
  • the moisture resistance of a substrate according to the invention can be matched to the particular use of a substrate according to the invention.
  • An inventive moist, fibrous substrate has, for example when designed as a wet toilet paper a moisture resistance, determined by means of strip tensile test according to DIN EN ISO 13934, Part 1 (Issue date: 1999-04) at 20 ° C and a relative humidity of 65%, from a Range of 8 N to 14 N, preferably from a range of 10 N to 12 N, on.
  • a wet strength of less than 8N results in too little mechanical stability when used as wet toilet paper.
  • a wet strength of more than 14 N when designed as a moist toilet paper, causes too haptic or too firm a feel when used.
  • the wet strength can be increased if for an intended use of a substrate according to the invention an increased mechanical stability is required or haptic properties of a substrate according to the invention, such as fluffiness, softness and / or grip, a minor importance to have.
  • the substrate preferably further completely decomposes after being introduced into water. After decay, preferably only fibers are present.
  • wet strength is preferably understood to mean the strength of a substrate according to the invention in the presence of an excess of water.
  • the wet strength of a substrate according to the invention can preferably be determined by a wet tensile test in accordance with DIN EN ISO12625, Part 5 (Publication date: 2005-09) "Determination of the width-related wet tensile strength".
  • a wet-strength, fiber-containing substrate according to the invention preferably has a wet strength, determined by means of wet tensile test according to DIN EN ISO12625, Part 5 (publication date: 2005-09) at 20 ° C. and a relative humidity of 65%, of at most 2 N, preferably of at most 1 N , preferably of at most 0.5 N, on.
  • a substrate according to the present invention having a wet strength determined as stated above is more than 3N, preferably from a range of 3N to 250N, more preferably from a range of 6N to 210N, further preferably from a range of 4N to 150N, more preferably from a range of 4.5N to 120N, more preferably from a range of 5N to 80N, more preferably from a range of 6N to 55N, after incorporation into water furthermore preferably completely decomposable, whereby more preferably the wet strength, determined as indicated above, of the substrate is at most 2 N, preferably at most 1 N, more preferably at most 0.5 N.
  • a substrate according to the invention after introduction into water, decomposes within less than 1 h, preferably in a period of less than 15 min, preferably in a period of less than 1 min, preferably in a period of less than 30 s, more preferably in a period of 10 seconds to less than 1 hour, more preferably in a period of 30 seconds to less than 30 minutes, more preferably in a period of 1 minute. less than 15 minutes. Completed.
  • only fibers are left after decay.
  • the moisture-resistant, fiber-containing substrate contains, in addition to fibers, at least one, preferably water-soluble, binder which comprises at least one, preferably water-soluble, polysaccharide comprises or consists of at least one, preferably water-soluble, amphoteric amine and at least one dampening solution, wherein the, preferably water-soluble, polysaccharide has at least one acid group-containing radical.
  • the at least one amphoteric amine together with the at least one binder forms at least one polysalt and / or polymeric aggregate which, together with the at least one fountain solution, is substantially insoluble or non-dispersible.
  • polysalt is understood according to the invention to mean a polymeric substance which comprises or consists of at least one, preferably water-soluble, polysaccharide which has at least one ionically dissociated acid group-containing radical, more preferably carboxyl-containing radical, which has an oppositely charged Group forms a, preferably ionic, bond.
  • an ionically dissociated group bound to the polysaccharide is an anionically charged group, preferably deprotonated acid group, more preferably carboxylate group.
  • anionically charged functional groups of the at least one binder for example deprotonated acid groups of the at least one acid group-containing radical
  • cationically charged functional groups of the at least one amphoteric amine for example protonated amino groups
  • the wet strength of a fibrous substrate according to the invention for example, under mechanical stress, thus increased.
  • the at least one dampening solution comprising the at least one organic component is preferably diluted or dissolved in water. This may be due to the at least one, preferably water-soluble, binder water attach or the at least one, preferably water-soluble, binder can absorb water whereby each of the at least one, preferably water-soluble binder can swell. As a result, the binding ability of the binder is preferably reduced or dissolved.
  • the substrate according to the invention after incorporation of the substrate according to the invention in water, which has a neutral or alkaline pH, further partial, preferably complete, dissolution of the polysalt may occur.
  • This can lead to an increase in the water solubility and / or water dispersibility of the at least one binder, whereby the structural integrity of the substrate according to the invention is weakened or destroyed.
  • fiber structures and / or connections between the fibers within the substrate according to the invention can be widened, loosened, weakened, stretched and / or destroyed. Due to mechanical influences, for example due to the flow influences occurring in wastewater, the structural integrity of the substrate according to the invention is further weakened, preferably destroyed.
  • the pH of wastewater is in the range of 7.0 to 8.5.
  • the fibers of the binder-containing, fibrous substrate are at least partially, preferably completely, interconnected by the at least one binder.
  • the at least one binder and the at least one amphoteric amine is preferably present partially, more preferably completely, as the polysalt and / or as the polymeric aggregate.
  • the at least one amphoteric amine may be applied to a fibrous substrate together with the at least one binder, wherein the at least one binder and the at least one amphoteric amine are also preferably present in part, more preferably completely, as a polysalt and / or as a polymeric aggregate.
  • a substrate according to the invention After applying the at least one dampening solution comprising the aforementioned at least one organic component to a fiber-containing substrate, a substrate according to the invention is obtained.
  • the application of the at least one dampening solution can be carried out, for example, together with the at least one amphoteric amine, for example by separately applying the at least one dampening solution and the at least one amphoteric amine and / or by applying a mixture comprising the at least one dampening solution and the at least one amphoteric amine.
  • the at least one dampening solution comprising the aforementioned at least one organic component is preferably diluted or dissolved in water, so that the substrate decomposes to fiber size.
  • the substrate decomposes to fiber size.
  • only fibers are left after decay.
  • the at least one binder and / or the at least one amphoteric amine can attach to the water, wherein preferably the polysalt and / or the polymeric aggregate partially, more preferably completely, dissolves.
  • the contact between the at least one amphoteric amine and the at least one binder can be at least partially, preferably completely, interrupted.
  • the at least one binder may, for example, be connected to fibers of the substrate according to the invention via hydrogen bonds.
  • the pH values mentioned in the present application are measured in water under standard conditions (25 ° C., 1013 mbar).
  • a binder used according to the invention comprises or consists of at least one, preferably water-soluble, polysaccharide having at least one acid group-containing radical.
  • polysaccharide is understood to mean homopolysaccharides, heteropolysaccharides and mixtures thereof, which preferably consist of identical or different monosaccharides and may have a linear or branched molecular structure.
  • high molecular weight polysaccharide biopolymers may preferably be partially degraded and / or functionalized by thermal-mechanical and / or chemical and / or enzymatic modification.
  • the partially degraded and / or converted polysaccharides resulting from the treatment become more soluble in water, the solutions become more stable and / or the coatings or surface films formed therefrom develop higher strength and bonding strength.
  • a solution of a polysaccharide can be adjusted by a thermal-mechanical and / or chemical and / or enzymatic modification of the polysaccharide in the dynamic viscosity so that the solution can be used without difficulty in corresponding application processes.
  • a 2% by weight solution, based on the total weight of the solution, of the at least one, preferably water-soluble, polysaccharide having at least one acid group-containing moiety in water at 20 ° C has a dynamic viscosity in the range from 1 mPa • s to 10000 mPa • s, preferably from a range of 50 mPa • s to 3000 mPa • s, more preferably from a range of 550 mPa • s to 2500 mPa • s, preferably determined by means of a searle rotational viscometer Haake Viscotester ® ® 550 (Thermo Fisher Scientific Inc., Karsruhe, DE) with cylinder-measuring device, measuring cup MV, at a speed of 2.55 s -1.
  • solutions of a modified polysaccharide may preferably have a different dispersity, preferably polydispersity.
  • solutions of a modified polysaccharide may have a varying molecular weight composition that preferably allows for tuning the dynamic viscosity of the solution to the application system used, for example, by adjustable viscoelasticity and / or intrinsic viscosity Solution.
  • a modified polysaccharide solution may contain polysaccharide molecules, each composed, for example, of a different number of monosaccharides linked by a glycosidic linkage.
  • a modified polysaccharide solution may contain monosaccharides and / or oligosaccharides.
  • an oligosaccharide has 2 to 9 identical or different monosaccharides, which are connected to each other via a glycosidic bond.
  • the at least one, preferably water-soluble, polysaccharide having at least one acid group-containing moiety on average about 10 to 20,000, preferably 110 to 2000, identical or different monosaccharides, which are connected to each other via a glycosidic bond.
  • Suitable polysaccharides may be branched or unbranched, preferably unbranched.
  • this is at least one, preferably water-soluble, polysaccharide, cellulose, hemicellulose, starch, agarose, algin, alginate, chitin, pectin, gum arabic, xanthan, guaran or a mixture thereof, preferably cellulose, hemicellulose, starch, or a Mixture thereof, preferably cellulose, hemicellulose, or a mixture thereof, more preferably cellulose.
  • hemicellulose is a collective term for naturally occurring mixtures of polysaccharides of variable composition which can be isolated, for example, from vegetable biomass.
  • the polysaccharides of the hemicelluloses can be composed of different monosaccharides.
  • monosaccharides are preferably pentoses, for example xylose and / or arabinose, hexoses, for example glucose, mannose and / or galactose, and modified monosaccharides, such as sugar acids, preferably uronic acids, for example from the group of hexuronic acids, for example glucuronic acid, methylglucuronic acid and / or galacturonic acid, or Deoxymonosaccharides, preferably deoxyhexoses, such as rhamnose.
  • a deoxymonosaccharide is a monosaccharide in which at least one OH group is replaced by a hydrogen atom.
  • Cellulose is a polysaccharide which is preferably unbranched.
  • cellulose comprises on average from about 50 to about 1000 cellobiose units.
  • Cellobiose is a disaccharide composed of two glucose molecules linked ⁇ -1,4-glycosidically.
  • a suitable cellulose has on average about 100 to 20,000, preferably 110 to 2000, glucose molecules.
  • Starch is a polysaccharide composed of D-glucose units linked by ⁇ -glycosidic linkages.
  • starch is also understood as meaning amylose, amylopectin and mixtures thereof, preferably amylose.
  • Amylose is an unbranched polysaccharide composed of D-glucose units linked only to ⁇ -1,4-glycosidic acid.
  • Amylopectin is a branched polysaccharide composed of D-glucose units linked to ⁇ -1,4-glucosidic acids. About every 15-30 monomers may be linked to an ⁇ -1,6-glycosidically linked side chain composed of D-glucose units linked to ⁇ -1,4-glucosidic acids.
  • a side chain has at least 5 glucose units linked to ⁇ -1,4-glucosidic acids. More preferably, a side chain has 7 to 60 glucose units, preferably 10 to 50 glucose units, preferably 12 to 30 glucose units, each of which is linked to ⁇ -1,4-glycosidic.
  • a polysaccharide used as a binder according to the invention has at least one acid group-containing radical, which is preferably connected to the polysaccharide by an ether group.
  • the at least one polysaccharide and the at least one acid group-containing radical thus forms a polysaccharide ether, preferably by partial or complete substitution of the hydrogen atoms of the hydroxy groups of Monosaccharide units of the at least one polysaccharide having acid group-containing radicals, wherein the acid group-containing radicals may be the same or different from each other.
  • acid group-containing radical is understood according to the invention organic radicals which can enter into an equilibrium reaction with water or other protonatable solvents.
  • the oxonium ion H 3 O + is preferably formed, while the acid group-containing radical gives off a proton to the solvent water and forms an anionically charged functional group, for example a carboxylate group.
  • acid group-containing radical is preferably taken to mean carboxyl-containing radicals, phosphate-containing radicals, phosphonic acid-containing radicals, and combinations thereof, more preferably carboxyl-containing radicals.
  • the at least one acid group-containing radical is at least one -O-alkylcarboxyl radical, at least one -O-alkylphosphate radical, at least one -O-alkylphosphonic acid radical or a combination thereof, preferably at least one -O-alkylcarboxyl radical wherein each independently of one another the alkyl radical, which may be straight-chain or branched, has 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom.
  • the at least one acid group-containing radical is a carboxyl group-containing radical, preferably an alkylcarboxyl radical, more preferably an -O-alkylcarboxyl radical, in each case independently of one another being the alkyl radical, which may be straight-chain or branched, 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom.
  • this forms at least one polysaccharide and the at least one acid group-containing radical, preferably -O-alkylcarboxyl radical, -O-alkylphosphate radical, - O-alkylphosphonic acid radical or a combination thereof, more preferably -O-alkylcarboxyl radical, a polysaccharide ether, preferably by partial or complete substitution of the hydrogen atoms of the hydroxy groups of the monosaccharide units of the at least one polysaccharide with acid group-containing radicals, preferably alkylcarboxyl radicals, alkyl phosphate radicals, alkylphosphonic acid radicals or a combination thereof
  • Alkylcarboxyl radicals each independently may be the same or different from each other and wherein each of the alkyl radical, which may be straight or branched, has 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom.
  • a polysaccharide used according to the invention as a binder preferably has an average degree of substitution (DS) by the abovementioned at least one acid group-containing radical, preferably the at least one carboxyl group-containing radical, preferably the at least one -O-alkylcarboxyl radical, where in each case the alkyl radical, which may be straight-chain or branched, has 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom, from a range of more than 0.4 to 2.0, preferably from a range of 0.5 to 1.5, preferably from a range of 0.6 to 1.1, preferably from a range of 0.7 to 0.9.
  • DS average degree of substitution
  • the mean degree of substitution refers to the average number of acid group-containing radicals, preferably carboxyl-containing radicals, preferably -O-alkylcarboxyl radicals, wherein in each case the alkyl radical, which may be straight-chain or branched, has 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom, which are bonded per monosaccharide unit, preferably by an ether bond.
  • the abovementioned acid group-containing radicals preferably carboxyl-containing radicals, preferably the abovementioned -O-alkylcarboxyl radicals, may be identical or different from one another.
  • the average degree of substitution refers to the average number of all of the aforementioned acid group-containing radicals, preferably carboxyl groups. containing radicals, preferably -O-alkylcarboxyl radicals, each bound per mole of monosaccharide units, preferably by an ether linkage.
  • the mean degree of substitution (DS) by the at least one acid group-containing radical preferably the at least one carboxyl group-containing radical, preferably the at least one -O-alkylcarboxyl radical, hereinafter referred to as "average degree of substitution (DS)".
  • the mean degree of substitution (DS) of the polysaccharide by acid group-containing radicals preferably carboxyl-containing radicals, preferably -O-alkylcarboxyl radicals, can be determined, for example, analogously to the method described in ASTM D 1439-03 / Method B for the sodium salt of carboxymethylcellulose be determined.
  • a suitable polysaccharide which has at least one acid group-containing radical, preferably at least one carboxyl-containing radical, preferably at least one of the abovementioned -O-alkylcarboxyl radicals can furthermore be alkyl radicals which can each be independently straight-chain or branched, and 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom, hydroxyalkyl radicals each independently straight chain or branched and having 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom, or contain a combination thereof, wherein the alkyl radicals and / or hydroxyalkyl radicals are preferably also bound by an ether bond to monosaccharide units of the polysaccharide.
  • the at least one, preferably water-soluble, binder comprises or consists of at least one, preferably water-soluble, polysaccharide selected from the group consisting of carboxyalkyl polysaccharides, carboxyalkyl-alkyl-polysaccharides, carboxyalkyl-hydroxyalkyl-polysaccharides, carboxyalkyl-alkyl-hydroxyalkyl- Polysaccharides and mixtures thereof, preferably carboxyalkyl polysaccharides, wherein said alkyl groups may each be independently straight-chain or branched and have 1 to 4 carbon atoms, preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom ,
  • the at least one, preferably water-soluble, binder comprises or consists of at least one, preferably water-soluble, polysaccharide selected from the group consisting of carboxymethyl-polysaccharides, carboxymethyl-methyl-polysaccharides, carboxymethyl-hydroxymethyl-polysaccharides, carboxymethyl-methylhydroxymethyl-polysaccharides and Mixtures thereof, preferably carboxymethyl polysaccharides, is selected.
  • the at least one, preferably water-soluble, binder comprises or consists of at least one, preferably water-soluble polysaccharide selected from the group consisting of carboxyalkylcelluloses, carboxyalkyl-alkylcelluloses, carboxyalkylhydroxyalkylcelluloses and mixtures thereof, wherein said alkyl groups may each be independently straight-chain or branched and have 1 to 4 carbon atoms , preferably 1 to 3 carbon atoms, preferably 1 to 2 carbon atoms, more preferably 1 carbon atom.
  • the at least one, preferably water-soluble, binder comprises or consists of at least one, preferably water-soluble, polysaccharide selected from the group consisting of carboxymethylcellulose (CMC), carboxymethyl starch (CMS), carboxyethylcellulose (CEC), carboxypropylcellulose, carboxymethylmethylcellulose (CMMC), carboxymethylethylcellulose, carboxymethylpropylcellulose, carboxyethylmethylcellulose, carboxyethylethylcellulose, carboxymethylhydroxymethylcellulose, carboxymethylhydroxyethylcellulose (CMHEC), carboxymethylhydroxypropylcellulose, carboxyethylhydroxymethylcellulose, carboxyethylhydroxyethylcellulose and mixtures thereof, more preferably carboxymethylcellulose, carboxymethylstarch, carboxyethylcellulose, carboxypropylcellulose and mixtures thereof, more preferably carboxymethylcellulose, carboxymethylstarch and mixtures thereof preferably carboxymethyl cellulose, is selected.
  • CMC carboxymethylcellulose
  • CMS carboxymethyl
  • the at least one, preferably water-soluble, binder comprises or is an alkali metal salt, preferably sodium salt, of carboxymethylcellulose (CMC) having a mean degree of substitution (DS) by carboxymethyl groups, determined according to ASTM D 1439-03 / Method B, from a range of more than 0.4 to 1.5, preferably from a range of 0.6 to 1.1, preferably from a range of 0.7 to 0.9, carboxymethyl groups per anhydroglucose unit.
  • CMC carboxymethylcellulose
  • DS mean degree of substitution
  • Suitable commercially available, preferably water-soluble binders include, for example, sodium carboxymethyl Rheolon ® 30, Rheolon ® 30N, Rheolon ® 100N or Rheolon ® 300, Rheolon ® 300N, Rheolon® 500G and Rheolon ® 1000G respectively (from the company Ugur Seluloz Kimya Aydin, TR).
  • Suitable commercially available binders are, for example, the carboxymethyl varieties Calexis ® and Finnfix ®, respectively, by CP Kelco Germany GmbH (Grossenbrode, DE) can be obtained.
  • a substrate according to the invention comprises the at least one binder in a proportion from a range of 1 g / m 2 to 30 g / m 2 , preferably from a range of 2 g / m 2 to 20 g / m 2 , more preferably from one range from 1.3 g / m 2 to 17 g / m 2 , more preferably from a range of 3.0 g / m 2 to 15 g / m 2 , more preferably from a range of 3.5 g / m 2 to 13 g / m 2 , more preferably from a range of 4 g / m 2 to 11 g / m 2 , more preferably from a range of 4.5 g / m 2 to 9 g / m 2 , each based on the area of the dry Substrates, on.
  • the substrate according to the invention contains at least one, preferably water-soluble, amphoteric amine, which together with the at least one binder preferably forms a polysalt and / or polymeric aggregate.
  • amphoteric amine is understood to mean an organic compound which contains at least one, preferably protonatable and / or protonated, amino group preferably selected from the group consisting of primary amino groups, secondary amino groups, tertiary amino groups and combinations thereof, preferably primary amino groups , secondary amino groups and combinations thereof, and at least one acid group, which is preferably at least one carboxyl group.
  • a suitable amphoteric amine has at least one protonatable and / or protonated amino group. More preferably, therefore, a suitable amphoteric amine can form a polysalt after protonation of the at least one amino group with anionically charged functional groups, for example deprotonated acid groups, of the at least one binder, for example by electrostatic attraction of the oppositely charged radicals.
  • an amphoteric amine more preferably has a first, preferably protonatable and / or protonated, amino group and a first acid group, preferably a carboxyl group, and optionally also a second, preferably protonatable and / or protonated, amino group and / or a second acid group, preferably carboxyl group, on.
  • an amphoteric amine preferably has no permanently positively charged nitrogen atoms, more preferably no quaternary ammonium group, for example tetraalkylammonium group.
  • Suitable amphoteric amines are preferably selected from the group consisting of aminocarboxylic acids preferably having 2 to 36 carbon atoms which may be unsubstituted or substituted, salts thereof, complexes thereof, and mixtures thereof.
  • Suitable aminocarboxylic acids having preferably 2 to 36 carbon atoms which may be unsubstituted or substituted are organic compounds which preferably have at least one carboxyl group and at least one amino group. Suitable aminocarboxylic acids may preferably be substituted with chlorine, bromine, iodine, thiol groups, hydroxyl groups or combinations thereof.
  • Suitable aminocarboxylic acids are preferably alpha-aminocarboxylic acids. Suitable aminocarboxylic acids are more preferably selected from the group consisting of alanine, arginine, asparagine, aspartic acid, citrulline, cysteine, S-methylcysteine, cystine, creatine, homocysteine, homoserine, norleucine, 2-aminobutanoic acid, 2-amino-3-mercapto-3 -methyl-butanoic acid, 3-aminobutanoic acid, 2-amino-3,3-dimethylbutanoic acid, 4-aminobutanoic acid, 2-amino-2-methylpropanoic acid, 2-amino-3-cyclohexylpropanoic acid, 3-aminopropanoic acid, 2,3-diaminopropanoic acid, 3 -Aminohexanoic acid, gamma-carboxyglutamic acid (3-aminopropan
  • the at least one amphoteric amine is selected from the group consisting of aforementioned aminocarboxylic acids preferably having 2 to 36 carbon atoms which may be unsubstituted or substituted with chlorine, bromine, iodine, thiol groups, hydroxyl groups or combinations thereof, salts thereof, complexes thereof and mixtures thereof are selected.
  • more preferably polyvalent, metal cations more preferably Ca 2+ , Zn 2+ and mixtures thereof, more preferably Ca 2+ , form salts and / or complexes with one of the abovementioned aminocarboxylic acid.
  • the aforementioned amphoteric amines preferably the aforementioned aminocarboxylic acids
  • the inventors have found that by using at least one amphoteric amine, preferably at least one aminocarboxylic acid, and / or a salt thereof and / or a complex thereof, the controllable disintegration ability of the substrate according to the invention is improved.
  • this forms at least one amphoteric amine, preferably the at least one aminocarboxylic acid preferably having 2 to 36 carbon atoms which may be unsubstituted or substituted with chlorine, bromine, iodine, thiol groups, hydroxyl groups or combinations thereof, and / or a salt thereof and / or a Complex thereof together with the at least one acid group-containing radical, preferably carboxyl group-containing radical, of the at least one, preferably water-soluble, polysaccharide after application to a substrate according to the invention a polysalt.
  • the at least one aminocarboxylic acid preferably having 2 to 36 carbon atoms which may be unsubstituted or substituted with chlorine, bromine, iodine, thiol groups, hydroxyl groups or combinations thereof, and / or a salt thereof and / or a Complex thereof together with the at least one acid group-containing radical, preferably carboxyl group-containing radical, of the at least one, preferably water-soluble, poly
  • the at least one amphoteric amine more preferably the at least one aminocarboxylic acid, has a solubility in water at 25 ° C greater than 9 g / l water, more preferably greater than 11 g / l water, more preferably greater than 20 g / l of water, wherein the pH of the water is 7.0.
  • a substrate according to the invention comprises the at least one amphoteric amine, preferably selected from the group consisting of aforementioned aminocarboxylic acids preferably having from 2 to 36 carbon atoms, which may be unsubstituted or substituted, the aforementioned aminosulfonic acids preferably having from 1 to 36 carbon atoms which may be unsubstituted or substituted , Salts thereof, complexes thereof and mixtures thereof, in an amount ranging from 0.1% to 30%, preferably from 0.5% to 20% Wt .-%, more preferably from a range of 0.7 wt .-% to 17 wt .-%, more preferably from a range of 2 wt .-% to 15 wt .-%, more preferably from a range of 3, 3 wt .-% to 13 wt .-%, each based on the total weight of the dry substrate of the present invention on.
  • aforementioned aminocarboxylic acids preferably having from 2 to 36 carbon atoms
  • a substrate according to the invention further comprises at least one dampening solution, the at least one dampening solution comprising at least one organic component consisting of aliphatic alcohols, aliphatic ethers, aliphatic esters, monosaccharides, oligosaccharides and mixtures thereof, preferably aliphatic alcohols, aliphatic ethers and mixtures thereof will, contains.
  • the at least one dampening solution may be solid or liquid, preferably liquid, under standard conditions (temperature 25 ° C., pressure 1013 mbar).
  • the fibrous substrate preferably contains a liquid, preferably aqueous, dampening solution which is liquid under standard conditions, wherein the at least one organic component can be solid or liquid, preferably liquid, under standard conditions (temperature 25 ° C., pressure 1013 mbar).
  • a liquid preferably aqueous, dampening solution which is liquid under standard conditions
  • the at least one organic component can be solid or liquid, preferably liquid, under standard conditions (temperature 25 ° C., pressure 1013 mbar).
  • an organic component which is solid under standard conditions may be dissolved and / or dispersed in a dampening solution which is liquid under standard conditions.
  • the at least one organic component according to the invention is selected from the group consisting of aliphatic alcohols, aliphatic ethers, aliphatic esters, monosaccharides, oligosaccharides and mixtures thereof, preferably aliphatic alcohols, aliphatic ethers and mixtures thereof.
  • Suitable aliphatic alcohols may be acyclic or cyclic as well as saturated or unsaturated.
  • suitable aliphatic alcohols are saturated, more preferably acyclic and saturated.
  • Suitable aliphatic alcohols preferably have from 1 to 12 carbon atoms, more preferably from 1 to 9 carbon atoms, more preferably from 1 to 6 carbon atoms, more preferably from 1 to 4 carbon atoms, more preferably from 2 to 3 carbon atoms, each of which may be straight-chain or branched, and at least one OH Group, preferably 1 to 12 OH groups, more preferably 1 to 9 OH groups, more preferably 1 to 6 OH groups, more preferably 1 to 4 OH groups, more preferably 2 to 3 OH groups on.
  • suitable aliphatic alcohols from the group consisting of aliphatic monohydric alcohols containing from 1 to 12 carbon atoms, more preferably from 1 to 9 carbon atoms, more preferably from 1 to 6 carbon atoms, more preferably from 1 to 4 carbon atoms, even more preferably from 2 to 3 carbon atoms , which may each be straight-chain or branched, and have 1 OH group, aliphatic, polyhydric alcohols, from 2 to 12 carbon atoms, more preferably from 2 to 9 carbon atoms, more preferably from 2 to 6 carbon atoms, more preferably from 2 to 4 carbon atoms, even more preferably from 2 to 3 carbon atoms, each of which may be straight-chain or branched, and from 2 to 12 OH groups, more preferably 2 to 9 OH groups, more preferably 2 to 6 OH groups, more preferably 2 to 4 OH groups, more preferably 2 to 3 OH groups, and mixtures thereof are selected.
  • Suitable aliphatic, monohydric alcohols have 1 OH group and 1 to 12 carbon atoms, more preferably 1 to 9 carbon atoms, more preferably 1 to 6 carbon atoms, further preferably 1 to 4 carbon atoms, further preferably 2 to 3 carbon atoms, each being straight-chain or branched may be, and preferably, selected from the group consisting of methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 2-methyl-2-propanol, 1- Pentanol, 2-pentanol, 3-pentanol, 2-methyl-1-butanol, 2-methyl-2-butanol, 3-methyl-1-butanol, 3-methyl-2-butanol, 2,2-dimethyl-1 propanol, 1-hexanol, 1-heptanol, and mixtures thereof, more preferably methanol, ethanol, 1-propanol, 2-propanol, 1-butan
  • Aliphatic polyhydric alcohols are preferably selected from the group consisting of alkanediols having 2 to 12 carbon atoms, more preferably 2 to 9 carbon atoms, more preferably 2 to 6 carbon atoms, even more preferably 2 to 4 carbon atoms, further preferably 2 to 3 carbon atoms, each straight-chain or branched alkanetriols having 3 to 12 carbon atoms, more preferably 3 to 9 carbon atoms, more preferably 3 to 6 carbon atoms, further preferably 3 to 4 carbon atoms, each of which may be straight-chain or branched, alkanetetraols having 4 to 12 carbon atoms, more preferably 4 to 9 carbon atoms, more preferably 4 to 6 carbon atoms, each of which may be straight-chain or branched, alkanepentaols having 5 to 12 carbon atoms, more preferably 5 to 9 carbon atoms, further preferably 5 to 6 carbon atoms, each of which may be straight-chain or branched, al
  • Suitable aliphatic polyhydric alcohols are preferably selected from the group consisting of ethane-1,2-diol (ethylene glycol, 1,2-glycol), propane-1,2-diol (propylene glycol), propane-1,3-diol (trimethylene glycol) , Butane-1,2-diol (1,2-butylene glycol), butane-1,3-diol (1,3-butylene glycol), butane-1,4-diol (tetramethylene glycol), butane-2,3-diol ( 2,3-butylene glycol), pentane-1,5-diol (Pentamethylene glycol), hexane-1,6-diol (hexamethylene glycol), octane-1,8-diol (octamethylene glycol), nonane-1,9-diol (nonamethylene glycol), decane-1,10-diol (decam
  • Suitable aliphatic ethers are preferably ethers of polyhydric aliphatic alcohols. Further suitable aliphatic ethers are more preferably glycol ethers, polyethers of polyhydric aliphatic alcohols or mixtures thereof.
  • Polyethers of polyhydric aliphatic alcohols are preferably polyethers of aforementioned polyhydric aliphatic alcohols, more preferably of the aforementioned alkanediols.
  • Suitable polyethers preferably have from 4 to 40 carbon atoms and at least 2 OH groups, preferably 2 OH groups, and are more preferably selected from the groups consisting of polyethylene glycols having from 4 to 40 carbon atoms, polypropylene glycol having from 6 to 40 carbon atoms, and mixtures thereof of polyethylene glycols having 4 to 40 carbon atoms and mixtures thereof.
  • Suitable polyethylene glycols having 4 to 40 carbon atoms are, for example, 2- (2-hydroxyethoxy) ethanol (diethylene glycol), 2- [2- (2-hydroxyethoxy) ethoxy] ethanol (triethylene glycol), PEG-4 , PEG-6, PEG-7, PEG-8, PEG-9, PEG-10, PEG-12, PEG-14, PEG-16, PEG-18, PEG-20 or mixtures thereof.
  • a suitable polypropylene glycol having from 6 to 40 carbon atoms, which may preferably be straight-chain or branched, is, for example, dipropylene glycol, which is preferably a mixture of the structural isomers of 2,2'-oxydi-1-propanol, 1,1'-oxydi-2-propanol and 2 Is - (2-hydroxypropoxy) -1-propanol.
  • Suitable glycol ethers preferably have 3 to 80 carbon atoms and are ethers of the above-mentioned alkanediols having 2 to 12 carbon atoms, each of which may be straight-chain or branched, the above-mentioned polyethylene glycols having 4 to 40 carbon atoms, which may be straight-chain or branched, the above-mentioned polypropylene glycols having 6 to 40 carbon atoms , which may be straight-chain or branched, or combinations thereof with aforementioned aliphatic monohydric alcohols.
  • Suitable glycol ethers are preferably selected from the group consisting of ethylene glycol monomethyl ether (methyl glycol), ethylene glycol monoethyl ether (ethyl glycol), ethylene glycol monopropyl ether (2-propoxyethanol), ethylene glycol monoisopropyl ether (2-isopropoxyethanol), ethylene glycol monobutyl ether (2-butoxyethanol), ethylene glycol monohexyl ether (2-hexoxyethanol), diethylene glycol monomethyl ether, Diethylene glycol monoethyl ether, diethylene glycol mono n-butyl ether, diethylene glycol mono n-hexyl ether, propylene glycol monomethyl ether (1-methoxy-2-propanol), propylene glycol monobutyl ether (1-butoxy-2-propanol), propylene glycol monohexyl ether (1-hexoxy-2-propanol), dipropylene glycol monomethyl ether, dipropylene glycol mono
  • Cyclic hemiacetals (lactols) of the aforementioned aldoses and ketoses are preferably formed by intramolecular hemiacetal formation between the carbonyl group and an OH group a monosaccharide.
  • Oligosaccharides according to the invention preferably have 8 to 40 carbon atoms and are preferably composed of 2 to 9, preferably 2 to 6, identical or different monosaccharides, which are connected to each other by glycosidic bonds. Oligosaccharides according to the invention may be straight-chain or branched.
  • Suitable glycol esters preferably have from 3 to 60 carbon atoms and are preferably monoesters, diesters or mixtures thereof of the aforementioned alkanediols, the aforementioned polyethylene glycols, the above-mentioned polypropylene glycols, or combinations thereof with aliphatic carboxylic acids, for example monocarboxylic acids preferably having from 1 to 9 carbon atoms, preferably from 1 to 7 carbon atoms, preferably 1 to 3 carbon atoms, which may each be straight-chain or branched, hydroxycarboxylic acids having preferably 1 to 9 carbon atoms, preferably 1 to 7 carbon atoms, preferably 1 to 3 carbon atoms, which may each be straight-chain or branched, polycarboxylic acids having preferably 2 to 9 carbon atoms, preferably 2 to 7 carbon atoms, preferably 2 to 3 carbon atoms, each of which may be straight-chain or branched, or combinations thereof, more preferably hydroxycarboxylic acids having preferably
  • Suitable glycol esters are, for example, ethyl acetate methylene ether (2-methoxyethyl acetate), ethyl acetate (2-ethoxyethyl acetate), ethyleneglycol monobutyl ether (2-butoxyethyl acetate), diethylene glycol monobutyl ether [2- (2-butoxyethoxy) ethyl acetate], propylene glycol methyl ether (1-methoxy-2-propyl acetate) or mixtures thereof ,
  • the at least one organic component is selected from the group consisting of aliphatic monohydric alcohols, aliphatic polyhydric alcohols, polyethylene glycols, and mixtures thereof.
  • the at least one organic component is selected from the group consisting of Methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-propanol, 2-methyl-2-propanol, 1-pentanol, 2-pentanol, 3-pentanol, 2- Methyl-1-butanol, 2-methyl-2-butanol, 3-methyl-1-butanol, 3-methyl-2-butanol, 2,2-dimethyl-1-propanol, 1-hexanol, ethane-1,2- diol, propane-1,2-diol, propane-1,3-diol, butane-1,2-diol, butane-1,3-diol, butane-1,4-diol, butane-2,3-diol, 1,2,3-propanetriol, 1,2,3,4-butanetetrol, 1,2,6-hexanetriol, 1,2,3,
  • the dampening solution consists of ethanol, 1-propanol, 2-propanol, ethane-1,2-diol, propane-1,2-diol, propane-1,3-diol, 1,2,3-propanetriol or Mixtures thereof, more preferably from ethanol, 1-propanol, 2-propanol, ethane-1,2-diol, propane-1,2-diol, propane-1,3-diol or mixtures thereof.
  • the dampening solution comprises the at least one organic component in a proportion of at least 5 wt .-%, preferably from a range of 6 wt .-% to 98 wt .-%, preferably from a range of 8 wt .-% to 95 wt .-%, more preferably from a range of 10 wt .-% to 85 wt .-%, more preferably from a range of 12 wt .-% to 65 wt .-%, more preferably from a range of 17 wt. % to 55 wt .-%, each based on the total weight of the dampening solution on.
  • the fountain solution comprises water in a proportion of at most 70 wt .-%, preferably from a range of 2 wt .-% to 65 wt .-%, more preferably from a range of 5 wt .-% to 60 wt. %, more preferably from a range of 7 wt% to 57 wt%, more preferably from a range of 9 wt% to 45 wt%, further preferably from a range of 10 wt% to 30 wt .-%, each based on the total weight of the fountain solution on.
  • the dampening solution comprises non-aqueous constituents, ie all constituents of the dampening solution which are not water, in an amount of at least 30% by weight, preferably from a range of from 35% to 98% by weight, more preferably from a range of from 40% to 93%, more preferably from a range of from 55% to 92% by weight.
  • -% more preferably from a range of 70 wt .-% to 90 wt .-%, each based on the total weight of the fountain solution, on.
  • tion is preferably understood as meaning a liquid aqueous or aqueous-organic, preferably aqueous-alcoholic, preparation or an oil-in-water emulsion or a water-in-oil emulsion.
  • the at least one dampening solution can be formed as a lotion under standard conditions (temperature 25 ° C., pressure 1013 mbar), the at least one organic component selected from the group consisting of aliphatic alcohols, aliphatic ethers, aliphatic esters, monosaccharides, oligosaccharides and mixtures thereof, preferably aliphatic alcohols, aliphatic ethers and mixtures thereof, consists, is selected, contains, for example, may be dissolved in the lotion and / or may form an organic phase of the lotion.
  • the substrate according to the invention comprises the at least one, preferably liquid, preferably aqueous, dampening solution, for example in the form of a lotion, having a pH of less than or equal to 6.4, preferably having a pH of less than or equal to 6.1, preferably with a pH of less than or equal to 5.9.
  • the pH of the at least one, preferably liquid, preferably aqueous, fountain solution is in the range of pH 4.0 to 6.4, preferably in the range of pH 4.5 to 6.1, preferably in one Range of pH 4.9 to 5.9, preferably in the range of pH 5.0 to 5.6.
  • the substrate according to the invention comprises the at least one binder in a proportion from a range of 1 wt .-% to 35 wt .-%, preferably 3 wt .-% to 30 wt .-%, more preferably of 4 wt % to 25%, more preferably from 5% to 20%, more preferably from 6% to 15%, more preferably from 7% to 13% by weight % By weight, based in each case on the total weight of the dry substrate according to the invention.
  • the substrate according to the invention preferably contains inorganic and / or organic fibers.
  • a fiber is a length limited inorganic or organic Structures with a length to diameter ratio of at least 5: 1 to 10: 1.
  • the substrate according to the invention comprises fibers having a length of at least 0.1 mm, preferably from a range of 0.1 mm to 10 mm inclusive, more preferably from a range of 0.2 to 6 mm, more preferably from a range of from 1 mm to 4 mm, more preferably from a range of from 1.1 to 3 mm, which are preferably water soluble and / or dispersible.
  • Suitable organic fibers may be both natural fibers and synthetic fibers, as well as mixtures thereof.
  • a substrate according to the invention contains only natural fibers, preferably pulp fibers.
  • Suitable synthetic fibers include, for example, polyester fibers, polyamide fibers, polyimide fibers, polyamide-imide fibers, polyethylene fibers, polypropylene fibers, polyvinyl chloride fibers, or mixtures thereof, with suitable synthetic fibers having a length of at most 6 mm.
  • Suitable inorganic fibers include, for example, mineral wool fibers, basalt fibers, glass fibers, silica fibers, ceramic fibers, carbon fibers or mixtures thereof.
  • a substrate according to the invention does not comprise fibers having a fiber length of more than 6 mm.
  • the use of short fibers, i. of fibers, the length of which does not exceed 6 mm prevents the melting and / or entanglement of individual fibers to form fiber aggregates.
  • Fiber aggregates can, for example, get caught in a siphon or on a spout and lead to blockages.
  • pulp fibers are mainly used.
  • rayon, cotton, wool, acetate, or tencel fibers can be used.
  • the fibrous substrate 40 comprises about 40 to about 95 wt%, more preferably 60 to 90 wt%, pulp fibers, each based on the total weight of the fibrous substrate according to the invention.
  • the pulp fibers used can be obtained by a chemical pulping of plant fibers or by using recycled fibers.
  • wood fibers Preferably, both wood fibers, fibers of annual plants, such as straw, Bagasse, kenaf or bamboo, and mixtures thereof.
  • softwood pulp and hardwood pulp may be used, the nature of the chemical pulping used per se is not critical.
  • the fibers used are joined together by at least one binder according to the invention.
  • the at least one binder can preferably be used as an aqueous solution and / or as a binder foam.
  • a substrate according to the invention has at least one filler, which preferably has a particle size of less than 1 mm and whose ratio of length to diameter is less than 5: 1.
  • the at least one filler comprises or consists of inorganic particles, organic particles or mixtures thereof, which have a particle size of less than 1 mm, preferably less than 0.9 mm, and whose ratio of length to diameter is less than 5: 1, more preferably less than 4: 1, is.
  • Suitable organic fillers are preferably ground or comminuted fibers, precipitated polymers or precipitation polymers, which may each be composed, for example, of polyamide, polyester, polyethylene, crosslinked polyacrylates, uncrosslinked polyacrylates, mixtures thereof or copolymers thereof.
  • Suitable organic fillers are preferably also fine particles of cellulose, regenerated cellulose and / or other natural fibers, flours, modified starches, unmodified starches or mixtures thereof.
  • Suitable inorganic fillers are preferably natural mineral powders, precipitated mineral salts, or combinations thereof, which include or consist of, for example, dolomite, calcium carbonate, titanium dioxide, zinc oxide, aluminum oxide, aluminum hydroxide, precipitated silica, kaolin and other clays, silicate minerals or combinations thereof.
  • suitable fillers may preferably be introduced into the substrate, or, for example, together with the binder on the surface of the substrate are applied.
  • suitable fillers for example titanium dioxide particles, the opacity of the substrate can be adjusted.
  • a substrate according to the invention comprises the at least one filler in an amount from 0 to 30 wt .-%, more preferably from a range of 0.1 to 25 wt .-%, each based on the total weight of the dry substrate.
  • the fillers used are more preferably bonded to the substrate by at least one binder.
  • the substrate according to the invention has 1 to 4 layers, preferably 1 to 3 layers. More preferably, the substrate of the invention is a single layer.
  • the substrate according to the invention has a plurality of layers, preferably 2, 3 or 4 layers, none of these multiple layers being impermeable to aqueous media.
  • the substrate according to the invention preferably has a weight per unit area from 30 g / m 2 to 150 g / m 2 , preferably from 40 g / m 2 to 80 g / m 2 , preferably from 45 g / m 2 to 60 g / m 2 , on.
  • the substrate according to the invention is preferably present as nonwoven or nonwoven material.
  • the fibers are transferred into a fibrous web by carding, wet-laying, air laying, spunbonding or meltblowing.
  • the fiber or nonwoven web is particularly preferably formed by the airlaid process, also referred to as airlaid process, in which substantially all, preferably all, fibers are intimately mixed.
  • the airlaid web is then compressed or compacted.
  • the compacting of the fiber bed can take place by various methods known in the art, such as, for example, latex bonding, thermal bonding, hydrogen bonding or multi-bonding.
  • the thickness of the substrate according to the invention can be adjusted by calendering.
  • the substrate according to the invention has superficial depressions and / or elevations, which can be produced, for example, by embossing.
  • step (a3) in or after step (a3), at least one binder, at least one amphoteric amine and at least one dampening solution is applied.
  • step (a1) and / or during steps (a2) and / or (a3) at least one binder and at least one amphoteric amine are applied as an aqueous solution and / or as a foam in succession, together or simultaneously and subsequently at a temperature of greater than 100 ° C, preferably greater than 120 ° C, preferably greater than 150 ° C, solidified.
  • the at least one fountain solution is preferably applied.
  • the application of the at least one binder, the at least one amphoteric amine and the at least one dampening solution preferably takes place independently of one another by means of padding, foam application, and / or spraying.
  • Suitable methods of padding, foam coating, spraying are known in the art and may be used in the present invention.
  • the at least one binder, the at least one amphoteric amine and the at least one dampening solution can be applied separately on the same side or on different sides of the substrate according to the invention.
  • the application of the at least one binder, the at least one amphoteric amine and the at least one dampening solution can be carried out sequentially, wherein the order of the order is variable, or carried out simultaneously.
  • the at least one binder can first be applied to one side or to both sides of the substrate according to the invention.
  • the binding of the at least one binder is preferably carried out applying the at least one amphoteric amine on one side or both sides of the substrate according to the invention, more preferably on the side (s) of the substrate according to the invention to which the at least one binder was previously applied.
  • the application of the at least one binder, the at least one amphoteric amine and the at least one dampening solution can also be effected in the form of a mixture on one side or on both sides of the substrate according to the invention.
  • the substrate according to the invention comprises or consists of a cellulose fleece, wherein the cellulose fleece 60 to 99 wt .-%, preferably 65 to 97.5 wt .-% pulp fibers having a length from a range of 0.1 mm to 10 mm, preferably from 0.2 mm to 6 mm, more preferably from 1 mm to 4 mm, more preferably from 1.1 to 3 mm, at least one of the abovementioned binders in a proportion of 0.5 to 40 wt .-%, preferably in an amount of 1 to 35 wt .-%, at least one of the above amphoteric amines in a proportion of 0.1 to 20 wt .-%, preferably in an amount of 1 to 15 wt .-%, and optionally at least one of the above fillers in an amount of 0 to 30 wt .-%, preferably in a proportion of 0.1 to 25 wt .-%, each based on the
  • the substrate according to the invention despite its moisture resistance, has sufficient water-disintegration capability, i. low wet strength, on to disintegrate in the sewage.
  • the at least one, preferably aqueous, dampening solution has a pH in the range of 4.0 to 6.0, preferably 5.0 to 5.6, and is therefore in terms of the pH of healthy skin PH-level neutral.
  • the at least one, preferably liquid, more preferably aqueous, fountain solution further comprises at least one polyvalent metal cation.
  • the inventors have discovered that by using at least one polyvalent metal cation, the polysalt and / or the polymeric aggregate formed by the at least one binder and the at least one amphoteric amine, in the presence of at least one organic component in the at least one, preferably liquid , preferably aqueous, fountain solution or can be stabilized in the substrate according to the invention.
  • the substrate according to the invention has a significantly increased moisture resistance.
  • suitable polyvalent metal cations are selected from the group consisting of polyvalent ions of the transition metals, polyvalent ions of the metals of the 3rd and 4th main groups of the Periodic Table of the Elements, ions of the alkaline earth metals, and mixtures thereof.
  • transition metals according to the invention, the chemical elements with the atomic numbers of 21 to 30, 39 to 48, 57 to 80 and 89 to 112 understood.
  • the atomic number indicates the position of a chemical element in the periodic table of the elements.
  • polyvalent metal cations is understood according to the invention to mean metal cations which have a charge of +2 or more, preferably a charge of +2, +3 or +4, more preferably a charge of +2.
  • suitable polyvalent metal cations are selected from the group consisting of Fe 3+ , Ca 2+ , Zn 2+ , and mixtures thereof, more preferably Ca 2+ , Zn 2+, and mixtures thereof, more preferably Ca 2+ ,
  • Suitable metal cations may, for example, in the form of water-soluble salts and / or complexes of the corresponding metal cations, preferably as bicarbonate, chloride, acetate, lactate, tartrate, fumarate, as a carboxylate and / or complex of one of the abovementioned aminocarboxylic acids or a mixture thereof, preferably as chloride , Carboxylate and / or complex of one of the abovementioned aminocarboxylic acids or a mixture thereof, of the corresponding metal cations, into which, preferably aqueous, solution, preferably lotion, is introduced.
  • the at least one, preferably liquid, preferably aqueous, dampening solution preferably has the at least one polyvalent metal cation in a proportion from a range from 0.1% by weight to 10% by weight, preferably from a range of 0.2% by weight. % to 9 wt .-%, more preferably from a range of 1 wt .-% to 8 wt .-%, more preferably from a range of 3 wt .-% to 6 wt .-%, each based on the Total weight of at least one dampening solution, on.
  • the at least one, preferably aqueous, dampening solution comprises or consists of water, at least one of the abovementioned organic components, optionally at least one of the abovementioned amphoteric amines and optionally at least one of the abovementioned polyvalent metal cations, the proportion of water being at most 70 wt .-%, preferably from a range of 2 wt .-% to 65 wt .-%, more preferably from a range of 7 wt .-% to 60 wt .-%, more preferably from a range of 8 wt.
  • % to 45 wt .-% more preferably from a range of 10 wt .-% to 30 wt .-%, each based on the total weight of the dampening solution is, wherein the proportion of the at least one organic component at least 5.0 wt .-%, preferably from a range of 5 wt .-% to 98 wt .-%, preferably from a range of 8 wt .-% to 95 wt .-% , more preferably from a range of 10 wt .-% to 85 wt .-%, each based on the total weight of the dampening solution, wherein the proportion of the at least one amphoteric amine 0 wt .-% to 30 wt .-%, preferably from a range of 0.5 wt .-% to 20 wt .-%, more preferably from a range of 0.7 wt.
  • the at least one dampening solution contains non-volatile constituents which are more preferably selected from the group consisting of the above-mentioned polyvalent metal cations and their salts, the above-mentioned amphoteric amines and their salts and / or complexes, and combinations thereof.
  • Chirality centers may be in the R or S configuration unless otherwise specified.
  • the invention relates both to the use of optically pure compounds, for example an L-amino acid or D-amino acid, as well as stereoisomer mixtures, such as mixtures of enantiomers and Diasteromerengemische, in any ratio.
  • one of the abovementioned aminocarboxylic acid can be used as L-aminocarboxylic acid, as D-aminocarboxylic acid or as racemate (D, L-aminocarboxylic acid).
  • 1,2,3,4-butanetetrol can be prepared as (2R, 3R) -1,2,3,4-butanetetrol (D-threitol), (2S, 3S) -1,2,3,4-butanetetrol (L -Hreitol), as a racemate of (2R, 3R) - and (2S, 3S) -1,2,3,4-butanetetrol (DL-threitol), as (2S, 3R) -1,2,3,4- Butantetrol (meso-1,2,3,4-butanetetrol, erythritol) or as a mixture thereof.
  • (2R, 3R) -1,2,3,4-butanetetrol D-threitol
  • (2S, 3S) -1,2,3,4-butanetetrol L -Hreitol
  • DL-threitol racemate of (2R, 3R) - and (2S, 3S) -1,2,3,4-butanetetrol
  • the at least one, preferably liquid, preferably aqueous, fountain solution may be present as a lotion.
  • the at least one, preferably liquid, preferably aqueous, dampening solution, preferably lotion further comprises at least one preservative which can afford, for example, the protection of microorganisms in long-term storage. It is preferred that the preservative provide antimicrobial activity, including antibacterial activity, anti-fungal activity or anti-yeast activity, or a combination thereof.
  • a substrate according to the invention further comprises skin-protecting and / or skin-healing and / or skin-care active substances which give the skin an advantage which goes beyond a mere sensory and / or cosmetic advantage.
  • active skin care may be provided in the form of stimulating skin regeneration, promoting skin physiology, strengthening the barrier function of the skin.
  • the pH of the skin surface depends on the sweat secretion, bacterial flora and sebum composition. Depending on the skin region, the pH is between 4 and 6.4, in healthy skin in particular around 5.5.
  • a substrate according to the invention is a sheet, preferably a cloth, blanket, bag, bag, pillow or bag.
  • a substrate according to the invention is designed as a casing or covering, which may be open or closed, preferably on one side.
  • a sheath or sheath of a substrate according to the invention further encloses a deodorizing composition and / or a liquid-absorbing composition, for example one or more copolymer of acrylic acid and sodium acrylate (superabsorber).
  • a substrate formed as a sheath or wrapper may be a diaper, for example a baby diaper.
  • a substrate according to the invention is a hygiene article, in particular a wet wipe, cleaning cloth, care cloth, hygiene towel, or moist toilet paper.
  • the substrate of the present invention is used as a hygiene article, in particular as a wet wipe, care cloth, cleaning cloth, moist toilet paper or tissue.
  • a wet wipe can be designed, for example, for personal care, for example as a tissue or as a disinfectant wipe, or in the household as a wipe.
  • a substrate according to the invention has at least one layer which is permeable to aqueous media.
  • a substrate according to the invention is designed as a bag.
  • a substrate according to the invention in the form of a bag which has at least one layer which is permeable to aqueous media, can be introduced into the soil together with a fertilizer which is arranged in the bag.
  • a fertilizer which is arranged in the bag.
  • nutrients of the fertilizer can pass through the at least one permeable for aqueous media layer of the substrate according to the invention in the surrounding soil.
  • the substrate according to the invention is preferably used in agriculture and forestry as well as in horticulture, for example as a seed carrier, seed container or plant bag.
  • a substrate of the present invention is a seed carrier, culture container or plant bag.
  • Seed carriers preferably seed strips or seed discs, consist of a inventive substrate in which individual seeds, preferably between two layers of a substrate according to the invention, are arranged.
  • Seed carriers enable the sowing of flowers and / or vegetables in geometric patterns, without having to pay attention to the distance between the seeds.
  • a seed carrier can be introduced into soil and then wetted with water.
  • Growing vessel or plant bag can be constructed for example from one or more layers of a substrate according to the invention.
  • a culture container or plant bag may further comprise soil and a plant.
  • the invention will be illustrated by examples without, however, being limited thereto.
  • the tests or measurements described below were carried out at a temperature of 25 ° C (room temperature), a pressure of 1013 mbar and a relative humidity of 65%, unless other conditions are specified.
  • Solvents, amphoteric amines, in particular amino acid, and salts used below are commercially available, for example from Parchem - fine & specialty chemicals, Inc. (New Rochelle, NY, USA) or Sigma-Aldrich Chemie GmbH (Munich, DE),
  • CMC carboxymethylcelluloses
  • Rheolon ® 30, Rheolon ® 300, Rheolon ® 500G and Rheolon ® 1000G were purchased from Ugur Seluloz Kimya AS (Aydin, TR).
  • Calexis ® HMB and Finnfix ® 700 were obtained from CP Kelco Germany GmbH (Grossenbrode, DE) related.
  • the carboxymethylcelluloses used had different dynamic viscosities. Before applying the binder, samples of the particular binder used were taken and determined the dynamic viscosity of a 2 wt .-% solution of the binder in water at 20 ° C.
  • the viscosity of a 2 wt .-% solution of the corresponding binder in water at 20 ° C was determined using a Searle viscometer Haake ® Visco Tester ® 550 (Thermo Fisher Scientific Inc., Karsruhe, DE) with cylinder-measuring device, measuring cup MV wherein a speed of 2.55 s -1 determined.
  • the preparation of the used 2 wt .-% solution of the corresponding binder in water was carried out by dissolving 2 g of the binder with stirring in 100 g of distilled water at 20 ° C according to the manufacturer.
  • the webs of nonwoven webs were first sprayed on one side with a 5% by weight aqueous dispersion of one of the abovementioned binders containing polysaccharide having at least one acid group-containing moiety, the stated percentage being based on the binder content of the dispersion used per 100 g of water.
  • the preparation of the used 2 wt .-% solution of the corresponding binder in water was carried out with stirring in distilled water according to the manufacturer.
  • the amount of binder applied in each case relative to the area of the nonwoven web after drying is given in Table 1 ("Application Quantity").
  • the produced nonwoven web was rolled up.
  • the tear values of the obtained nonwoven web were measured in the wet state.
  • 10 ⁇ 10 cm large sections of each nonwoven webs were cut after drying and condensation of the binder and mixed with 11 ml "lotion 1" per section.
  • "Lotion 1" had the following composition: component final concentration L-lysine 5.9% by weight CaCl 2 ⁇ 2 H 2 O 4.2% by weight 1,2-propanediol 31.9% by weight ethanol 3.5% by weight water 54.5% by weight
  • the stated wt .-% refer in each case to the total weight of the lotion.
  • the nonwoven webs 1 a, 1 c, 1 e and 1i prepared in Examples 1 were further treated with various lotions having a different content of water.
  • 10 ⁇ 10 cm large sections of the respective nonwoven webs were cut out after drying and condensation of the binder and mixed with 11 ml of different lotions 1 to 5 per section.
  • the composition of Lotions 1 to 5 used is shown in Table 3.
  • the stated wt .-% refer in each case to the total weight of the lotion.
  • a reduction of the water content in the lotion leads to an increase of the moisture resistance.
  • the moisture resistance can be controlled over a wide range.
  • the nonwoven webs 1a and 1e produced in Examples 1 were further with treated with different lotions, in which only the amphoteric amine in the lotion was present (Lotion 6) or the amphoteric amine was used as the calcium salt (Lotions 7 and 8).
  • Lotions 6 ⁇ 10 cm sections of the respective nonwoven webs were cut out after drying and condensation of the binder and mixed with 11 ml of different lotions 6 to 8 per section.
  • the composition of Lotions 6 to 8 used is shown in Table 4.
  • the stated wt .-% refer in each case to the total weight of the lotion.
  • the calcium salt of L-lysine was prepared by reacting the amount of L-lysine indicated in Table 4 with the amount of CaCl 2 .2H 2 O indicated in Table 4 in distilled water and adding it to the appropriate lotion.
  • Lotions 1-8 used had L-lysine as the amphoteric amine.
  • further nonwoven webs were prepared.
  • a commercially available airlaid pulp web having a total basis weight of about 50 g / m 2 with the designation W4 of ASCUTEC Airlaid Production GmbH & Co KG (Nuremberg, DE) was also used.
  • the binder used was Rheolon 1000G, which was sprayed on both sides in the form of a 4% by weight aqueous dispersion of the binder onto the nonwoven web, the stated percentage being based on the binder content of the dispersion used per 1000 g of water. 1.75 g / m 2 of Rheolon 1000G were applied in each case to the front and back of the nonwoven web. The total order of binder on the V Wayne web was thus 3.5 g / m 2 Rheolon 1000G. After drying and condensation of the binder at a temperature of 150 ° C to 170 ° C, the produced web was rolled up.
  • tear values of the obtained nonwoven webs in the dry state were measured.
  • 10 ⁇ 10 cm sections of the resultant nonwovens were measured at room temperature in the tensile test according to DIN 54540-8 by drawing in the machine direction.
  • the following tear values (“tear dry") represent the arithmetic mean of 10 measurements each.
  • the tear values of the obtained nonwoven web were measured in the wet state.
  • 10 ⁇ 10 cm sections of the respective nonwoven webs obtained were cut out after drying and condensation of the binder, the dry weight of the section was determined and mixed with 11 ml of different lotions 9 to 30 per section.
  • the composition of Lotions 9 to 30 used is shown in Table 5. The stated wt .-% refer in each case to the total weight of the lotion.
  • Table 5 Composition of lotions 9 to 30 used Composition Lotion [% by weight] Lotion no.
  • amphoteric amines labeled "Ca-" in Table 5 were used as the calcium salt of the corresponding L-amino acid. Before use in the corresponding lotion, the amount of amphoteric amine indicated in Table 5 was first dissolved together with the amount of CaCl 2 ⁇ 2 H 2 O indicated in Table 5 in distilled water and added to the corresponding lotion.
  • the moistened sections were each in a test vessel with 2 l tap water (temperature: 20 ° C, total hardness: 13.5 ° dH, conductivity at 20 ° C: 412 ⁇ S / cm, pH 7.5) and without Stirring incubated.
  • the disintegration time was determined by visual inspection.
  • the decay times given in Table 6 represent the arithmetic mean of every 10 measurements.
  • the cut-outs were incubated after their decay for a total of 3 h in the test vessel at 20 ° C without stirring and then passed through a perforated sieve (mesh size: 12.5 mm). The material remaining on the sieve was collected, dried and weighed.
  • Table 6 Dry solids and wet levels of nonwoven webs soaked with Lotions 9-30. Drying value dry Tear wet Decay in water Lotion no. [N] [N] [S] 9 48 8.6 20 10 50 8.5 ⁇ 10 11 54 14.6 35 12 54 12 25 13 54 12 25 14 54 8.5 ⁇ 10 15 54 13.2 25 16 48 11 35 17 51 9 40 18 54 12 20 19 55 12 20 20 48 13 40 21 48 8th 30 22 55 9.5 35 23 49 9 25 24 54 11 30 25 49 8.5 15 26 47 8.1 ⁇ 10 27 54 10.5 25 28 52 11 40 29 55 11.5 35 30 48 9.6 30
  • the nonwoven webs 1a and 1a prepared in Examples 1 were treated with different lotions and then stored in the corresponding lotion for 30 days before the wet strength was measured.

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EP16201550.7A 2016-11-30 2016-11-30 Substrat fibreux, anti-hygroscopique avec résistance à l'humidité réglable et procédé de fabrication Active EP3330436B1 (fr)

Priority Applications (12)

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ES16201550.7T ES2693598T3 (es) 2016-11-30 2016-11-30 Sustrato que contiene fibra, resistente a la humedad, con resistencia a la humedad y resistencia en húmedo ajustables y procedimiento para su fabricación
EP16201550.7A EP3330436B1 (fr) 2016-11-30 2016-11-30 Substrat fibreux, anti-hygroscopique avec résistance à l'humidité réglable et procédé de fabrication
PT16201550T PT3330436T (pt) 2016-11-30 2016-11-30 Substrato que contém fibras resistente a humidade com resistência a humidade e resistência em húmido ajustáveis e processo para o seu fabrico
TR2018/16478T TR201816478T4 (tr) 2016-11-30 2016-11-30 Ayarlanabilir nem ve ıslaklık dayanıklılığına sahip, lif içeren, neme karşı dayanıklı substrat ve bunun üretimine yönelik yöntem.
PL16201550T PL3330436T3 (pl) 2016-11-30 2016-11-30 Odporny na działanie wilgoci substrat włókienny z regulowaną wytrzymałością w stanie wilgotnym i mokrym oraz sposób jego wytwarzania
EP17767837.2A EP3655584A1 (fr) 2016-11-30 2017-09-15 Substrat fibreux résistant à l'humidité présentant une résistance variable à l'humidité et à l'état mouillé et son procédé de fabrication
PCT/EP2017/073275 WO2018099623A1 (fr) 2016-11-30 2017-09-15 Substrat fibreux résistant à l'humidité présentant une résistance variable à l'humidité et à l'état mouillé et son procédé de fabrication
PCT/EP2017/079386 WO2018099724A1 (fr) 2016-11-30 2017-11-16 Substrat fibreux résistant à l'humidité présentant une résistance variable à l'humidité et à l'état mouillé et son procédé de fabrication
JP2019529884A JP6679058B2 (ja) 2016-11-30 2017-11-16 調節可能な湿潤強度および含水強度を持つ耐湿繊維含有基材、ならびにその製造方法
CA3045527A CA3045527C (fr) 2016-11-30 2017-11-16 Substrat renfermant des fibres, resistant au mouille, a resistance au mouille et resistance a l'humidite ajustables, et methode de production associee
RU2019116608A RU2716449C1 (ru) 2016-11-30 2017-11-16 Влагопрочная волокнистая основа с регулируемой влагопрочностью и стойкостью к увлажнению и способ ее изготовления
US16/465,495 US11136720B2 (en) 2016-11-30 2017-11-16 Moisture-proof, fibrous substrate having adjustable moisture and wet strength, and method for production thereof

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EP17767837.2A Withdrawn EP3655584A1 (fr) 2016-11-30 2017-09-15 Substrat fibreux résistant à l'humidité présentant une résistance variable à l'humidité et à l'état mouillé et son procédé de fabrication

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US (1) US11136720B2 (fr)
EP (2) EP3330436B1 (fr)
JP (1) JP6679058B2 (fr)
CA (1) CA3045527C (fr)
ES (1) ES2693598T3 (fr)
PL (1) PL3330436T3 (fr)
PT (1) PT3330436T (fr)
RU (1) RU2716449C1 (fr)
TR (1) TR201816478T4 (fr)
WO (2) WO2018099623A1 (fr)

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CN111893584A (zh) * 2020-06-16 2020-11-06 杭州千芝雅卫生用品有限公司 耐水性环保纤维滤材及其制备方法

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JP6679058B2 (ja) 2020-04-15
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ES2693598T3 (es) 2018-12-12
RU2716449C1 (ru) 2020-03-11
PT3330436T (pt) 2018-11-16
JP2020501035A (ja) 2020-01-16
EP3330436B1 (fr) 2018-08-08
US20200063369A1 (en) 2020-02-27
TR201816478T4 (tr) 2018-11-21
CA3045527A1 (fr) 2018-06-07
EP3655584A1 (fr) 2020-05-27
PL3330436T3 (pl) 2019-01-31
US11136720B2 (en) 2021-10-05
CA3045527C (fr) 2021-12-14

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