EP1649094A1 - Synthetic cloth, method and system for the production of said cloth - Google Patents

Synthetic cloth, method and system for the production of said cloth

Info

Publication number
EP1649094A1
EP1649094A1 EP04766205A EP04766205A EP1649094A1 EP 1649094 A1 EP1649094 A1 EP 1649094A1 EP 04766205 A EP04766205 A EP 04766205A EP 04766205 A EP04766205 A EP 04766205A EP 1649094 A1 EP1649094 A1 EP 1649094A1
Authority
EP
European Patent Office
Prior art keywords
polyvinyl alcohol
binder
wipe
fleece
polyhydroxyl
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
EP04766205A
Other languages
German (de)
French (fr)
Other versions
EP1649094B1 (en
Inventor
Karl Dimpfl
Robert W. Fuss
Alfred Watzl
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.)
Truetzschler Nonwovens GmbH
Original Assignee
Kuraray Specialities GmbH
Fleissner 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 claimed from DE10345086A external-priority patent/DE10345086A1/en
Application filed by Kuraray Specialities GmbH, Fleissner GmbH filed Critical Kuraray Specialities GmbH
Publication of EP1649094A1 publication Critical patent/EP1649094A1/en
Application granted granted Critical
Publication of EP1649094B1 publication Critical patent/EP1649094B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4282—Addition polymers
    • D04H1/4309—Polyvinyl alcohol
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/587—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/645—Impregnation followed by a solidification process
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/655—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions characterised by the apparatus for applying bonding agents
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/68—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions the bonding agent being applied in the form of foam
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals

Definitions

  • Wipes are used to clean the surface of objects and are very advantageous for absorbing liquids of all kinds. To cope with this, they must have a high abrasion resistance and a high absorption capacity of liquids.
  • EP-B-0 081 218 discloses a wipe which consists of interwoven, hot-water-soluble polyvinyl alcohol fibers which shrink under the influence of temperature and which are impregnated with a resin made of polyvinyl alcohol for further connection.
  • the fibers shrink during impregnation. Therefore, according to the EP, the fleece is stretched during impregnation and also during drying. Furthermore, the drying temperature during the drying process must be kept below the softening temperature of the fiber.
  • Such a cloth has a high abrasion resistance, but the handle is also rubber-like due to the shrunk fibers. Problems also arise if the treated wipes of this type are stored for a long period of time.
  • a wipe is known as a needled sandwich fleece, for which purpose it consists of several layers of microfibers of different polymers and additionally of secondary staple fibers that are absorbent. These microfibers have a good cleaning effect, but are not liquid receptive. Therefore, the secondary fibers were added, which can also be made from polyvinyl alcohol. However, these wipes suffer from less fluid absorption.
  • the invention has for its object to develop a fully synthetic wipe that has the maximum possible liquid absorption capacity, a good cleaning effect and a cloth-like handle. It should also be able to be exposed to temperatures of up to 100 ° C, i.e. cooking temperatures, for complete cleaning.
  • the high liquid absorption capacity can only be achieved with polyvinyl alcohol fibers, the fact of the fully synthetic composition only with a binder made from a polyvinyl alcohol acetal.
  • a binder made from a polyvinyl alcohol acetal In a simple way, however, no fibers shrinking at temperature or heat are used, but rather non-shrinking polyvinyl alcohol fibers, which are only swirled to achieve the necessary strength of the cloth, as need to be needled, in order to be subsequently impregnated with the acetal.
  • this must be one that contains substances as plasticizers that do not separate from the remaining polymers.
  • the plasticized acetal should not change its property profile in the long run; components must not migrate.
  • the cloth should have a soft feel even when dry and should remain cloth-compatible when wet and not assume a rubber-like character.
  • Such a cloth has the great advantage that it has a liquid absorption capacity of up to 800% and, in addition to the other properties mentioned, can be cooked for your own cleaning, and this without changing its dimensions.
  • a binder of this type consists of a mixture of: A) 50.0 to 99.99 parts by weight of at least one polymer (A) which a.) 1.0 to 99.9% by weight of structural units of the formula (1 )
  • ei R represents hydrogen or an alkyl radical having 1 to 6 carbon atoms, c.) 0 to 70.0% by weight of structural units of the formula (3)
  • R 3 , R 4 , R 5 and R 6 are residues with a molecular weight in the range from 1 to 500 g / mol, each based on the total weight of the polymer (A), and
  • R 7 each independently represents hydrogen or an alkyl radical having 1 to 6 carbon atoms
  • R 8 represents hydrogen or an alkyl radical having 1 to 10 carbon atoms
  • n is a number greater than or equal to 2
  • R 9 and R 10 are each independently hydrogen, COOH, an alkyl group with 1 to 10 carbon atoms or an optionally substituted aryl group with 6 to 12 carbon atoms, with per mol of hydroxyl groups, the polymer (A) and the hydroxyl compound (B) contained in total, uses 0.0005 to 0.5 mol of compound (C).
  • the plasticizers in this alcohol are chemically bound, and separation is not possible.
  • the conversion of the alcohol into a water-insoluble acetal is advantageously carried out using a mineral acid or an organic acid.
  • the reaction with the environmentally friendly glyoxalic acid is preferred.
  • the organic acid (s) used can also have other hetro atoms, in particular sulfur, nitrogen and phosphorus.
  • aldehyde functions can also be present in the compounds used. The use of oxalic acid is preferred.
  • the recipe that could be used could consist of:
  • a wipe of this type can preferably be produced on a machine system which consists of a) a fleece laying machine such as a card with possibly a fleece stretch for the polyvinyl alcohol fibers b) a fleece strengthening device such as needling device, c) a foam application device for the binder containing polyhydoxyl groups, d) a dryer such as Flow dryer with an upstream infrared drying shaft and a downstream hot flue, if applicable, and e) a nonwoven winding device, if applicable.
  • a machine system which consists of a) a fleece laying machine such as a card with possibly a fleece stretch for the polyvinyl alcohol fibers b) a fleece strengthening device such as needling device, c) a foam application device for the binder containing polyhydoxyl groups, d) a dryer such as Flow dryer with an upstream infrared drying shaft and a downstream hot flue, if applicable, and e) a nonwoven winding device,

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Prior art cloths used for wet and moist cleaning are made of non-woven, shrinking polyvinyl alcohol fibres vortexed by a jet of water, said fibres being secured by a polyvinyl alcohol binding agent. The inventive cloth is made of pure polyvinyl alcohol fibres which do not shrink when used in normal conditions, said fibres being vortexed together in order to increase resistance and being additionally soaked with a binding agent containing a polyhydroxyl group. Softeners are chemically joined thereto and can no longer be separated after foaming and subsequent polycondensation.

Description

Vollsynthetisches Wischtuch, Verfahren und Anlage zur Herstellung des WischtuchesFully synthetic wipe, process and plant for the manufacture of the wipe
Wischtücher dienen der Reinigung der Oberfläche von Gegenständen und sind zur Aufnahme von Flüssigkeiten jeder Art sehr vorteilhaft. Um dies zu bewältigen, müssen sie eine hohe Abriebfestigkeit und ein hohes Aufnahmevermögen von Flüssigkeiten haben.Wipes are used to clean the surface of objects and are very advantageous for absorbing liquids of all kinds. To cope with this, they must have a high abrasion resistance and a high absorption capacity of liquids.
Wegen der aufzunehmenden Verunreinigungen ist es vorteilhaft, wenn das Tuch eine vollsynthetische Zusammensetzung hat. I n diesem Zusammenhang ist durch die EP-B- 0 081 218 ein Wischtuch bekannt, das aus gegenseitig verflochtenen, bei Temperatureinwirkung schrumpfenden, heißwasserlöslichen Polyvinylalkoholfasem besteht, die zur weiteren Verbindung mit einem Harz aus Polyvinylalkohol imprägniert sind. Bei der Imprägnierung schrumpfen die Fasern. Deshalb wird gemäß der EP das Vlies bei der Imprägnierung und auch während der Trocknung gestreckt. Weiterhin muss die Trocknungstemperatur beim Trockenvorgang unter der Erweichungstemperatur der Faser gehalten werden. Ein solches Tuch hat zwar eine hohe Abriebfestigkeit, aber der Griff ist aufgrund der geschrumpften Fasern zusätzlich gummiähnlich. Probleme entstehen auch, wenn über einen längeren Zeitraum die behandelten Wischtücher dieser Art lagern. Das weichgemachte Polyvinylacetal schwitzt aus, es entsteht eine Migration von Komponenten über den Querschnitt des Vlieses.Because of the impurities to be absorbed, it is advantageous if the cloth has a fully synthetic composition. In this connection, EP-B-0 081 218 discloses a wipe which consists of interwoven, hot-water-soluble polyvinyl alcohol fibers which shrink under the influence of temperature and which are impregnated with a resin made of polyvinyl alcohol for further connection. The fibers shrink during impregnation. Therefore, according to the EP, the fleece is stretched during impregnation and also during drying. Furthermore, the drying temperature during the drying process must be kept below the softening temperature of the fiber. Such a cloth has a high abrasion resistance, but the handle is also rubber-like due to the shrunk fibers. Problems also arise if the treated wipes of this type are stored for a long period of time. The plasticized polyvinyl acetal sweats out, components migrate across the cross-section of the fleece.
Weiterhin ist durch die DE-A-199 17 275 ein Wischtuch als vernadeltes Sandwichvlies bekannt, wozu es aus mehreren Schichten aus Mikrofasern unterschiedlicher Polymere und zusätzlich aus Sekundärstapelfasern besteht, die saugfähig sind. Diese Mikrofasern haben eine gute Reinigungswirkung, sind aber nicht flüssigkeitsaufnahmefähig. Deshalb wurden die Sekundärfasern hinzugenommen, die auch aus Polyvinylalkohol hergestellt sein können. Dennoch leiden diese Wischtücher an geringerer Flüssigkeitsaufnahmefähigkeit.Furthermore, from DE-A-199 17 275 a wipe is known as a needled sandwich fleece, for which purpose it consists of several layers of microfibers of different polymers and additionally of secondary staple fibers that are absorbent. These microfibers have a good cleaning effect, but are not liquid receptive. Therefore, the secondary fibers were added, which can also be made from polyvinyl alcohol. However, these wipes suffer from less fluid absorption.
Der Erfindung liegt die Aufgabe zugrunde, ein vollsynthetisches Wischtuch zu entwickeln, das eine maximal mögliche Flüssigkeitsaufnahmefähigkeit, eine gute Reinigungswirkung und einen tuchartigen Griff ausweist. Auch soll es problemlos zur vollständigen Reinigung Temperaturen bis zu 100 °C, also Kochtemperaturen, ausgesetzt werden können.The invention has for its object to develop a fully synthetic wipe that has the maximum possible liquid absorption capacity, a good cleaning effect and a cloth-like handle. It should also be able to be exposed to temperatures of up to 100 ° C, i.e. cooking temperatures, for complete cleaning.
Die hohe Flüssigkeitsaufnahmefähigkeit ist nur mit Polyvinylalkoholfasem erzielbar, die Tatsache der vollsynthetischen Zusammensetzung nur mit einem Bindemittel aus einem Polyvinylalkoholacetal. I n einfacher Weise werden aber für das Vlies keine bei Temperatur oder Wärme schrumpfenden Fasern verwendet, sondern eben nicht schrumpfende Polyvinylalkoholfasem, die lediglich zur Erzielung der notwendigen Festigkeit des Tuches verwirbelt, wie vernadelt werden müssen, um anschließend mit dem Acetal imprägniert zu werden. Dieses muss aber ein solches sein, das als Weichmacher Substanzen enthält, die sich nicht von den restlichen Polymeren separieren. Das plastif izierte Acetal soll sein Eigenschaftsprofil auf Dauer nicht verändern, eine Migration von Bestandteilen darf nicht entstehen . Das Tuch soll auch im trockenen Zustand einen weichen Griff haben und bei nassem Tuch unverändert tuchfähig bleiben und nicht einen gummiähnlichen Charakter annehmen. Es solches Tuch hat den großen Vorteil, dass es ein Flüssigkeitsaufnahmevermögen bis zu 800 % hat und neben den anderen genannten Eigenschaften zur eigenen Reinigung gekocht werden kann, und dieses ohne sich in den Abmaßen zu verändern.The high liquid absorption capacity can only be achieved with polyvinyl alcohol fibers, the fact of the fully synthetic composition only with a binder made from a polyvinyl alcohol acetal. In a simple way, however, no fibers shrinking at temperature or heat are used, but rather non-shrinking polyvinyl alcohol fibers, which are only swirled to achieve the necessary strength of the cloth, as need to be needled, in order to be subsequently impregnated with the acetal. However, this must be one that contains substances as plasticizers that do not separate from the remaining polymers. The plasticized acetal should not change its property profile in the long run; components must not migrate. The cloth should have a soft feel even when dry and should remain cloth-compatible when wet and not assume a rubber-like character. Such a cloth has the great advantage that it has a liquid absorption capacity of up to 800% and, in addition to the other properties mentioned, can be cooked for your own cleaning, and this without changing its dimensions.
Ein Bindemittel dieser Art besteht gemäß DE 102 29 213.2 aus einer Mischung aus: A) 50,0 bis 99,99 Gewichtsteilen mindestens eines Polymers (A), welches a.) 1 ,0 bis 99,9 Gew.-% Struktureinheiten der Formel (1 )According to DE 102 29 213.2, a binder of this type consists of a mixture of: A) 50.0 to 99.99 parts by weight of at least one polymer (A) which a.) 1.0 to 99.9% by weight of structural units of the formula (1 )
wobei R Wasserstoff oder Methyl bedeutet, b.) 0 bis 99,0 Gew.-% Struktureinheiten der Formel (2) where R is hydrogen or methyl, b.) 0 to 99.0% by weight of structural units of the formula (2)
wo ei R Wasserstoff oder einen Alkylrest mit 1 bis 6 Kohlenstoffatomen darstellt, c.) 0 bis 70,0 Gew.-% Struktureinheiten der Formel (3) where ei R represents hydrogen or an alkyl radical having 1 to 6 carbon atoms, c.) 0 to 70.0% by weight of structural units of the formula (3)
wobei R3, R4, R5 und R6, jeweils unabhängig voneinander Reste mit einem Molekulargewicht im Bereich von 1 bis 500 g/mol sind, jeweils bezogen auf das Gesamtgewicht des Polymers (A) enthält, und wherein R 3 , R 4 , R 5 and R 6 , each independently of one another, are residues with a molecular weight in the range from 1 to 500 g / mol, each based on the total weight of the polymer (A), and
B) 0,01 bis 50,0 Gewichtsteilen mindestens einer Hydroxylverbindung (B) der Formel (4)B) 0.01 to 50.0 parts by weight of at least one hydroxyl compound (B) of the formula (4)
wobei R7 jeweils unabhängig voneinander Wasserstoff oder einen Alkylrest mit 1 bis 6 Kohlenstoffatomen bedeutet, R8 Wasserstoff oder einen Alkyirest mit 1 bis 10 Kohlenstoffatomen darstellt und n eine Zahl größer gleich 2 ist, where R 7 each independently represents hydrogen or an alkyl radical having 1 to 6 carbon atoms, R 8 represents hydrogen or an alkyl radical having 1 to 10 carbon atoms and n is a number greater than or equal to 2,
C) mit mindestens einer Verbindung (C) der Formel (5) umsetzt,C) reacting with at least one compound (C) of the formula (5),
wobei R9 und R10 jeweils unabhängig voneinander Wasserstoff, COOH, eine Alkylgruppe mit 1 bis 10 Kohlenstoffatomen oder eine gegebenenfalls substituierte Arylgruppe mit 6 bis 12 Kohlenstoffatomen sind, wobei man pro mol Hydroxylgruppen, die das Polymer (A) und die Hydroxylverbindung (B) in Summe enthalten, 0,0005 bis 0,5 mol der Verbindung (C) einsetzt. where R 9 and R 10 are each independently hydrogen, COOH, an alkyl group with 1 to 10 carbon atoms or an optionally substituted aryl group with 6 to 12 carbon atoms, with per mol of hydroxyl groups, the polymer (A) and the hydroxyl compound (B) contained in total, uses 0.0005 to 0.5 mol of compound (C).
Die Weichmacher in diesem Alkohol sind chemisch gebunden, ein Separieren ist nicht möglich.The plasticizers in this alcohol are chemically bound, and separation is not possible.
Mit Vorteil wird die Umwandlung des Alkohols in ein wasserunlösliches Acetal mit einer Mineralsäure oder einer organischen Säure durchgeführt. Bevorzugt ist die Umsetzung mit der umweltfreundlichen Glyoxalsäure. Die eingesetzte(n) organische(n) Säure(n) kann (können) neben Kohlenstoff, Wasserstoff und Sauerstoff auch weitere Hetroatome besitzen, insbesondere Schwefel, Stickstoff und Phosphor. Neben Säuregruppen können ebenso Aldehydfunktionen in eingesetzten Verbindungen vorhanden sein. Bevorzugt ist der Einsatz von Oxalsäure.The conversion of the alcohol into a water-insoluble acetal is advantageously carried out using a mineral acid or an organic acid. The reaction with the environmentally friendly glyoxalic acid is preferred. In addition to carbon, hydrogen and oxygen, the organic acid (s) used can also have other hetro atoms, in particular sulfur, nitrogen and phosphorus. In addition to acid groups, aldehyde functions can also be present in the compounds used. The use of oxalic acid is preferred.
Die verwendbare Rezeptur könnte bestehen aus:The recipe that could be used could consist of:
Ein besonderes Ausführungsbeispiel könnte genauer bestehen aus:A particular embodiment could more precisely consist of:
Ein Wischtuch dieser Art kann vorzugsweise auf einer Maschinenanlage produziert werden, die besteht aus a) einer Vlieslegemaschine wie Krempel mit ggf. einer Vliesstrecke für die Polyvinylalkoholfasem b) einer Vliesverfestigungseinrichtung wie Vernadelungseinrichtung, c) einer Schaumauftrageinrichtung für das polyhydoxylgruppenhaltige Bindemittel, d) einem Trockner wie Durchströmtrockner mit ggf. einem vorgeschalteten Infrarottrockenschacht und einer nachgeschalteten Hotflue und e) ggf. einer Vlies-Aufwickeleinrichtung. Dies deshalb, weil es sinnvoll ist, die Weiterbehandlung mit einer anderen Produktionsgeschwindigkeit durchzuführen. Es würde dann folgen in einer anderen Maschinenstraße eine Abwickeleinrichtung zur erneuten Vorlage zu einer dann folgenden f) Waschmaschine, g) einem weiteren Trockner wie Siebtrommeltrockner und letztlich h) erneut einer Wickel- und/oder Konfektioniereinrichtung. A wipe of this type can preferably be produced on a machine system which consists of a) a fleece laying machine such as a card with possibly a fleece stretch for the polyvinyl alcohol fibers b) a fleece strengthening device such as needling device, c) a foam application device for the binder containing polyhydoxyl groups, d) a dryer such as Flow dryer with an upstream infrared drying shaft and a downstream hot flue, if applicable, and e) a nonwoven winding device, if applicable. This is because it makes sense to carry out further processing at a different production speed. This would then be followed in another machine line by an unwinding device for re-submission to a subsequent f) washing machine, g) a further dryer such as a sieve drum dryer and finally h) another winding and / or packaging device.

Claims

P a t e n t a n s p r ü c h e : Patent claims:
1 . Wischtuch zur Nass- und Feuchtreinigung bestehend aus einem Nonwoven aus Polyvinylalkoholfase , das mit einem Polyvinylalkoholbindemittel verfestigt ist, dadurch gekennzeichnet, dass das Wischtuch aus reinen, unter normalen Bedingungen nicht schrumpfenden Polyvinylalkoholfase besteht, die zur Erhöhung der Festigkeit untereinander verwirbelt sind und zusätzlich mit einem polyhydroxylgruppenhaltigen Bindemittel getränkt ist, dessen Weichmacher chemisch gebunden und nach Schaumaufgabe und folgender Polykondensation nicht mehr separierbar sind.1 . Wipe for wet and wet cleaning consisting of a nonwoven made of polyvinyl alcohol phase, which is solidified with a polyvinyl alcohol binder, characterized in that the wipe consists of pure, under normal conditions not shrinking polyvinyl alcohol phase, which are interwoven to increase the strength and additionally with a polyhydroxyl group-containing Binder is impregnated, the plasticizer of which is chemically bound and can no longer be separated after foam application and subsequent polycondensation.
2. Wischtuch nach Anspruch 1 , dadurch gekennzeichnet, dass die Fasern zur Verfestigung des Vlieses mechanisch verwirbelt, wie vernadelt sind.2. Wipe according to claim 1, characterized in that the fibers are mechanically swirled to strengthen the fleece, such as needled.
3. Wischtuch nach Anspruch 1 , dadurch gekennzeichnet, dass die Fasern zur Verfestigung des Vlieses hydrodynamisch verwirbelt, wie vernadelt sind.3. A wipe according to claim 1, characterized in that the fibers are swirled hydrodynamically to strengthen the fleece, such as needled.
4. Verfahren zur Herstellung eines vollsynthetischen Wischtuches nach Anspruch 1 , dadurch gekennzeichnet, dass nicht schrumpfende Stapelfasern aus Polyvinylalkohol mittels einer Karde zu einem Vlies abgelegt, dann untereinander zur Erhöhung der Vliesfestigkeit verwirbelt wie vernadelt werden und dann lediglich mit einem polyhydroxylgruppenhaltigen Bindemittel imprägniert wird, dessen Weichmacher chemisch gebunden sind, dieses Bindemittel schaumförmig aufgegeben wird und das Vlies anschließend getrocknet und der Polykondensation ausgesetzt wird. Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass das polyhydroxylgruppenhaltige Bindemittel hergestellt ist aus einer Mischung aus: A.) 50,0 bis 99,99 Gewichtsteilen mindestens eines Polymers (A), welches a.) 1 ,0 bis 99,9 Gew.-% Struktureinheiten der Formel (1 )4. A method for producing a fully synthetic wipe according to claim 1, characterized in that non-shrinking staple fibers made of polyvinyl alcohol are laid down by means of a card to form a nonwoven, then swirled with one another to increase the nonwoven strength, and then only impregnated with a binder containing polyhydroxyl groups, the binder of which Plasticizers are chemically bound, this binder is applied in foam form and the fleece is then dried and subjected to polycondensation. A method according to claim 4, characterized in that the polyhydroxyl-containing binder is made from a mixture of: A.) 50.0 to 99.99 parts by weight of at least one polymer (A), which a.) 1.0 to 99.9 wt. % Structural units of formula (1)
w b.) 0 bis 99,0 Gew.-% Struktureinheiten der Formel (2)w b.) 0 to 99.0% by weight of structural units of the formula (2)
wobei R Wasserstoff oder einen Alkylrest mit 1 bis 6 Kohlenstoffatomen darstellt c.) 0 bis 70,0 Gew.-% Struktureinheiten der Formel (3) where R represents hydrogen or an alkyl radical having 1 to 6 carbon atoms c.) 0 to 70.0% by weight of structural units of the formula (3)
wobei R3, R4, R5 und R6, jeweils unabhängig voneinander Reste mit einem Molekulargewicht im Bereich von 1 bis 500 g/mol sind, jeweils bezogen auf das Gesamtgewicht des Polymers (A) enthält, und wherein R 3 , R 4 , R 5 and R 6 , each independently of one another, are residues with a molecular weight in the range from 1 to 500 g / mol, each based on the total weight of the polymer (A), and
B.) 0,01 bis 50,0 Gewichtsteilen mindestens einer Hydroxylverbindung (B) der Formel (4)B.) 0.01 to 50.0 parts by weight of at least one hydroxyl compound (B) of the formula (4)
wobei R7 jeweils unabhängig voneinander Wasserstoff oder einen Alkylrest mit 1 bis 6 Kohlenstoffatomen bedeutet, R8 Wasserstoff oder einen Alkylrest mit 1 bis 10 Kohlenstoffatomen darstellt und n eine Zahl größer gleich 2 ist, C.) mit mindestens einer Verbindung (C) der Formel (5) umsetzt, where R 7 each independently represents hydrogen or an alkyl radical having 1 to 6 carbon atoms, R 8 represents hydrogen or an alkyl radical having 1 to 10 carbon atoms and n is a number greater than or equal to 2, C.) with at least one compound (C) of the formula (5) implements
wobei R und R ° jeweils unabhängig voneinander Wasserstoff, COOH, eine Alkylgruppe mit 1 bis 10 Kohlenstoffatomen oder eine gegebenenfalls substituierte Arkylgruppe mit 6 bis 12 Kohlenstoff atomen sind, wobei man pro mol Hydroxylgruppen, die das Polymer (A) und die Hydroxylverbindung (B) in Summe enthalten, 0,0005 bis 0, where R and R ° are each independently hydrogen, COOH, an alkyl group with 1 to 10 carbon atoms or an optionally substituted aryl group with 6 to 12 carbon atoms, with per mol of hydroxyl groups, the polymer (A) and the hydroxyl compound (B) included in total, 0.0005 to 0,
5 mol der Verbindung (C) einsetzt.5 mol of compound (C) is used.
6. Verfahren nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass zur Herstellung der auftragbaren Flotte für die Imprägnierung des Faservlieses eine Rezeptur verwendet wird, die eine Mineralsäure und/oder eine ein- oder mehrwertige organische Säure, die aliphatisch, aromatisch und/oder cyclisch sein kann, enthält.6. The method according to claim 4 or 5, characterized in that a recipe is used to produce the applicable liquor for the impregnation of the nonwoven fabric, which is a mineral acid and / or a mono- or polyvalent organic acid which is aliphatic, aromatic and / or cyclic can be contains.
7. Verfahren nach Anspruch 6 , dadurch gekennzeichnet, dass zur Acetalisierung des Polyhydroxylbindemittels folgende Rezeptur verwendet wird:7. The method according to claim 6, characterized in that the following recipe is used to acetalize the polyhydroxyl binder:
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass zur Acetalisierung des polyhydroxylgruppenhaltigen Bindemittels folgende Rezeptur verwendet wird:8. The method according to claim 7, characterized in that the following recipe is used to acetalize the polyhydroxyl group-containing binder:
9. Anlage zur Herstellung eines Wischtuchs zur Nass- und Feuchtreinigung bestehend aus einem Nonwoven aus Polyvinylalkoholfasem, das mit einem Polyvinylalkoholbindemittel verfestigt ist, wobei das Wischtuch aus reinen, unter normalen Bedingungen nicht schrumpfenden Polyvinylalkoholfasem besteht, die zur Erhöhung der Festigkeit untereinander verwirbelt sind und zusätzlich mit einem polyhydroxylgruppenhaltigen Bindemittel getränkt ist, dessen Weichmacher chemisch gebunden und nach Schaumaufgabe und folgender Polykondensation nicht mehr separierbar sind, dadurch gekennzeichnet, dass sie besteht aus hintereinander angeordneten a) Vlieslegemaschine wie Krempel mit ggf. einer Vliesstrecke für die Polyvinylalkoholfasem b) Vliesverfestigungseinrichtung wie Vernadelungseinrichtung, c) Schaumauftrageinrichtung für das polyhydoxylgruppenhaltige Bindemittel, d) Trockner wie Durchströmtrockner mit ggf. einem vorgeschalteten Infrarottrockenschacht und einer nachgeschalteten Hotflue und e) ggf. einer oder zwei Auf- und in einer anderen Straße folgenden Abwickeleinrichtung zur erneuten Vorlage zu einer dann folgenden f) Waschmaschine, g) einem weiteren Trockner wie Siebtrommeltrockner und letztlich h) erneut einer Wickel- und/oder Konfektioniereiπrichtung. 9. Plant for the production of a wipe for wet and wet cleaning consisting of a nonwoven made of polyvinyl alcohol fiber, which is consolidated with a polyvinyl alcohol binder, the wipe consisting of pure, non-shrinking polyvinyl alcohol fibers, which are interwoven to increase the strength and additionally is impregnated with a binder containing polyhydroxyl groups, the plasticizer of which is chemically bound and can no longer be separated after application of foam and subsequent polycondensation, characterized in that it consists of a) fleece laying machine such as a carding machine, optionally with a fleece stretch for the polyvinyl alcohol fibers b) fleece bonding device such as needling device, c) foam application device for the polyhydoxyl group-containing binder, d) dryers such as through-flow dryers, optionally with an upstream infrared drying shaft and a downstream hotflue, and e) optionally one or two unwinding devices following one up and on another street for re-submission to a subsequent f) washing machine, g) a further dryer such as a drum dryer and finally h) again a winding and / or confectioning device.
10. Anlage nach Anspruch 9, dadurch gekennzeichnet, dass der Durchströmtrockner gemäß d) auf Temperaturen um 80 °C aufheizbar ist.10. Plant according to claim 9, characterized in that the throughflow dryer according to d) can be heated to temperatures around 80 ° C.
11. Anlage nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass die Hotflue gemäß d) für eine Verweilzeit von 15 min und mehr und für eine Temperatur von 80 - 85 °C ausgelegt ist.11. Plant according to claim 9 or 10, characterized in that the hot flue according to d) is designed for a residence time of 15 min and more and for a temperature of 80-85 ° C.
12. Anlage von Anspruch 9 bis 11 , dadurch gekennzeichnet, dass der Trockner gemäß g) für Temperaturen um 100 "C und mehr ausgelegt ist. 12. Plant from claim 9 to 11, characterized in that the dryer according to g) is designed for temperatures around 100 "C and more.
EP04766205A 2003-07-16 2004-07-13 Synthetic cloth, method and system for the production of said cloth Expired - Lifetime EP1649094B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10332415 2003-07-16
DE10345086A DE10345086A1 (en) 2003-07-16 2003-07-25 Fully synthetic wipe, method and apparatus for making the wipe
PCT/EP2004/051474 WO2005007959A1 (en) 2003-07-16 2004-07-13 Synthetic cloth, method and system for the production of said cloth

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EP1649094A1 true EP1649094A1 (en) 2006-04-26
EP1649094B1 EP1649094B1 (en) 2007-09-12

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AT (1) ATE373130T1 (en)
BR (1) BRPI0412663A (en)
DE (1) DE502004004972D1 (en)
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WO (1) WO2005007959A1 (en)

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Publication number Priority date Publication date Assignee Title
CN101765395B (en) 2007-06-29 2013-05-01 杜洛特夫国际公司 Cleaning cloth
BR112018007748B1 (en) 2015-11-03 2022-07-26 Kimberly-Clark Worldwide, Inc. PAPER FABRIC PRODUCT, CLEANING PRODUCT, AND, PERSONAL CARE ABSORBING ARTICLE
BR112020007694B1 (en) 2017-11-29 2022-12-13 Kimberly-Clark Worldwide, Inc METHOD FOR PRODUCING A MULTILAYER SUBSTRATE FORMED BY FOAM
CN112469857B (en) 2018-07-25 2022-06-17 金伯利-克拉克环球有限公司 Method for producing three-dimensional foam-laid nonwovens

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JPS5898464A (en) * 1981-12-07 1983-06-11 日本バイリ−ン株式会社 Production of base fabric for chemical lace
JPS61152859A (en) * 1984-12-21 1986-07-11 株式会社クラレ Production of nonwoven fabric suitable for wipers
AU680884B2 (en) * 1993-06-02 1997-08-14 Minnesota Mining And Manufacturing Company Nonwoven articles and methods of producing same
EP0636716B1 (en) * 1993-07-29 1999-01-20 Kuraray Co., Ltd. Water soluble polyvinyl alcohol-based fiber
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DE502004004972D1 (en) 2007-10-25
BRPI0412663A (en) 2006-09-26
RU2006100649A (en) 2007-08-27
WO2005007959A1 (en) 2005-01-27
EP1649094B1 (en) 2007-09-12
ATE373130T1 (en) 2007-09-15

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