DE1149603B - Process for the production of a nonwoven-based paper which disintegrates quickly in water and has improved burning properties - Google Patents

Process for the production of a nonwoven-based paper which disintegrates quickly in water and has improved burning properties

Info

Publication number
DE1149603B
DE1149603B DEF28080A DEF0028080A DE1149603B DE 1149603 B DE1149603 B DE 1149603B DE F28080 A DEF28080 A DE F28080A DE F0028080 A DEF0028080 A DE F0028080A DE 1149603 B DE1149603 B DE 1149603B
Authority
DE
Germany
Prior art keywords
water
parts
production
sodium
nonwoven
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.)
Pending
Application number
DEF28080A
Other languages
German (de)
Inventor
Dr Hans Boee
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 NL274354D priority Critical patent/NL274354A/xx
Priority to NL272052D priority patent/NL272052A/xx
Priority claimed from DEF26304A external-priority patent/DE1126233B/en
Application filed by Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to DEF28080A priority patent/DE1149603B/en
Priority to GB2500559A priority patent/GB922756A/en
Priority to US82894359 priority patent/US3034922A/en
Priority to GB1038760A priority patent/GB945771A/en
Priority to FR881423A priority patent/FR1307737A/en
Priority to FR887886A priority patent/FR81143E/en
Publication of DE1149603B publication Critical patent/DE1149603B/en
Pending 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)
    • 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
    • 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
    • D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D21H17/27—Esters 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
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • D21H17/43—Carboxyl groups or 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
    • D21H17/63—Inorganic compounds
    • D21H17/66—Salts, e.g. alums
    • 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
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/8305—Miscellaneous [e.g., treated surfaces, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)

Description

Im Patent 1126 233 wird ein Verfahren zur Herstellung eines in Wasser innerhalb kürzester Zeit in seine Bestandteile zerfallenden beschreib- und bedruckbaren Papiers durch Zersetzen von Füll- und wasserlöslichen Bindemitteln üblicher Art zum Papiergrundstoff beschrieben. Es ist dadurch gekennzeichnet, daß man ein trockenes Faservlies mit einer wäßrigen Mischung aus Füllstoffen und wasserlöslichen Bindemitteln derart imprägniert, daß pro 100 Teile Fasern etwa 40 bis 200 Teile Bindemittel und eine ebenso große Menge Füllstoff aufgenommen werden, anschließend trocknet und nach einem Wiederanfeuchten bis auf einen Feuchtigkeitsgehalt von etwa 3 bis 10% bei einer Temperatur zwischen 50 und 2000C kalandriert.The patent 1126 233 describes a process for the production of a writable and printable paper that disintegrates into its constituent parts within a very short time by decomposing fillers and water-soluble binders of the usual type to form the paper base. It is characterized in that a dry fiber fleece is impregnated with an aqueous mixture of fillers and water-soluble binders in such a way that about 40 to 200 parts of binder and an equally large amount of filler are absorbed per 100 parts of fibers, then dried and, after rewetting, up to calendering a moisture content of about 3 to 10% at a temperature between 50 and 200 0 C.

Das so hergestellte Material löst sich zwar nach kurzer Zeit in Wasser in seine Bestandteile auf, zeigt aber den Nachteil gegenüber normalem Papier, daß es schwer brennbar ist, da der hohe Gehalt an organischen Füllstoffen die Verbrennung der organischen Bestandteile, wie Fasern und Bindemittel, sehr erschwert. The material produced in this way dissolves into its components after a short time in water, shows but the disadvantage compared to normal paper that it is difficult to burn because of the high organic content Fillers make the combustion of organic components, such as fibers and binders, very difficult.

Es wurde nun gefunden, daß man ein wasserlösliches und sehr gut brennbares bzw. verkohlendes Papier erhalten kann, wenn man der nach obigem Verfahren verwendeten Tränkmischung mit den Bindemitteln und Füllstoffen sauerstoff abgebende und die Verbrennung fördernde Substanzen, wie Salpeter (Kalium-Natrium-Ammonium-Calcium-Nitrat) und/ oder Kalium-Natrium-Chlorat und -Perchlorat, Natriumperborat und andere Persalze und/oder Nitrozellulosen (Collodiumwollen, Lackwollen, Schießwollen) zusetzt und ein geeignetes Faservlies mit diesen Substanzen imprägniert und trocknet und das erhaltene Material nach Wiederbefeuchtung durch Kalandern glättet.It has now been found that a water-soluble and very easily combustible or charring Paper can be obtained if the impregnation mixture used in the above process with the Binding agents and fillers, substances that release oxygen and promote combustion, such as saltpetre (Potassium-sodium-ammonium-calcium-nitrate) and / or potassium-sodium-chlorate and perchlorate, sodium perborate and other persalts and / or nitrocelluloses (collodion wool, lacquer wool, gunwool) adds and impregnates a suitable fiber fleece with these substances and dries and that material obtained after remoistening is smoothed by calendering.

Man erhält Papiere jeden gewünschten Gewichts von 30 bis 150 g/m2, die in bekannter Weise beschreibbar sind. Sie lösen sich in Wasser in ihre Bestandteile auf und sind außerdem besonders leicht brennbar und verkohlbar.Papers of any desired weight from 30 to 150 g / m 2 are obtained and can be written on in a known manner. They dissolve into their components in water and are also particularly easily combustible and charring.

Wird ein solches Papier entzündet, schon die Berührung mit einer glühenden Zigarette ist hierfür ausreichend, so wird das Material durch Verglimmen und Verkohlen vollkommen zerstört. Je schwerer im Gewicht ein Papier ist bzw. mehr einzelne Lagen aufeinanderliegen (Aktenbündel), um so schneller und intensiver geht die Verbrennung vor sich. Es bleiben nur die nicht brennbaren Füllstoffe in Form von glühender Asche zurück. Jegliche Beschriftung ist selbstverständlich verschwunden, und es ist unmöglich, auch nur das geringsteIf such a paper is lit, just touching a glowing cigarette is sufficient for this, so the material is completely destroyed by smoldering and charring. The heavier im If the weight is one piece of paper or if there are more individual layers on top of one another (bundle of files), the faster and the burning is more intense. Only the non-flammable fillers remain back in the form of glowing ashes. Any lettering has of course disappeared, and it is impossible even the slightest

Verfahren zur Herstellung
eines in Wasser schnell zerfallendenMethod of manufacture
one that disintegrates quickly in water

Papiers auf Faservliesbasis
mit verbesserten BrenneigenschaftenNon-woven based paper
with improved burning properties

Zusatz zum Patent 1126 233Addition to patent 1126 233

Anmelder:Applicant:

Fa. Carl Freudenberg,
Weinheim (a. d. Bergstraße)Carl Freudenberg,
Weinheim (ad Bergstrasse)

Dr. Hans Böe, Augsburg,
ist als Erfinder genannt wordenDr. Hans Böe, Augsburg,
has been named as the inventor

vom Inhalt des Schriftstückes nachträglich zu entziffern.to decipher the content of the document afterwards.

Beispiel 1example 1

Ein Wirrfaservlies aus 100·% Zellwollfasern mit einem Gewicht von 20 g/m2 wird mit einer Mischung getränkt, die besteht aus:A random fiber fleece made of 100% cellulose fibers with a weight of 20 g / m 2 is impregnated with a mixture consisting of:

1,5 Teilen Netzmittel.1.5 parts wetting agent.

Das nach dem Tränken und Trocknen erhaltene Halbmaterial im Gewicht von etwa 45 g/m2 wird nach dem Befeuchten auf etwa 5fl/o Feuchtigkeitsgehalt auf einem geheizten Kalander bei etwa 110° C geglättet. The semi-finished material obtained after impregnation and drying, weighing about 45 g / m 2 , is smoothed after being moistened to a moisture content of about 5 fl / o on a heated calender at about 110 ° C.

Man erhält ein Schreibpapier (Durchschlagpapier), das sowohl nach Anzünden sehr rasch verbrennt bzw. verkohlt als auch in Wasser in seine Bestandteile zerfällt. The result is writing paper (carbon copy paper) which both burns very quickly after lighting or charred and disintegrates into its constituent parts in water.

Beispiel 2Example 2

Ein Krempelvlies aus 50% Zellwolle, 20% Baumwolle, 30 % Polyamidfaser im Gewicht von 30 g/m2 A carded fleece made of 50% rayon, 20% cotton, 30% polyamide fiber with a weight of 30 g / m 2

309 598/258309 598/258

20 Teilen20 parts Zellulosemethyläther,Cellulose methyl ether, 30 Teilen30 parts Kaseincasein 40 Teilen40 parts Nitrozellulose, wasserfeucht,Nitrocellulose, moist with water, 30 Teilen30 parts Kreide,Chalk, 10 Teilen10 parts Gips,Plaster,

wird imprägniert mit einer Mischung folgender Zusammensetzung: is impregnated with a mixture of the following composition:

20 Teüe
20-Teile
■50 Teile
10 Teile
10 Teile
10 Teile20 tea
20 pieces
■ 50 parts
10 parts
10 parts
10 parts

Polyacrylat,Polyacrylate,

Maisdextrin,Corn dextrin,

Kaliumnitrat,Potassium nitrate,

Kreide,Chalk,

Gips,Plaster,

Titandioxyd,Titanium dioxide,

1,5 Teile Netzmittel.1.5 parts wetting agent.

Nach dem Imprägnieren und Trocknen erhält man ein Halbmaterial im Gewicht von etwäT90 g/m2, das nach dem Befeuchten auf etwa-10 Vo" Feuchtigkeitsgehalt bei 12O0C mit zunehmendem Druck kalandert wird.After impregnation and drying, a half material weighing etwä T 90 g / m 2, after wetting "to about-10 Vo moisture content at 12O 0 C with increasing pressure is calendered.

Das fertige Papier verbrennt und verkohlt besonders in mehreren Lagen vollständig und löst sich in Wasser in seine Bestandteile auf.The finished paper burns and carbonizes completely, especially in several layers, and dissolves in Water into its constituents.

Beispiel 3Example 3

Ein längsgerichtetes Kardenvlies, bestehend aus 25 % Polyesterfaser, 25 */o Acetat-Zellstoff, 30 % Baumwolle, 20% Ramiefasern im Gewicht von 40 g/m2 wird getränkt mit einer Mischung aus:A lengthways carded fleece, consisting of 25% polyester fiber, 25% acetate pulp, 30% cotton, 20% ramie fibers weighing 40 g / m 2 is impregnated with a mixture of:

30 Teilen wasserlösliche Stärke, 30 Teilen Natriumchlorat, 10 Teilen Lithopone, 20 Teilen Kaolin,
20 Teilen Kreide
1,5 Teilen Netzmittel.30 parts of water-soluble starch, 30 parts of sodium chlorate, 10 parts of Lithopone, 20 parts of kaolin,
20 parts of chalk
1.5 parts wetting agent.

Das getränkte und getrocknete Halbmaterial im Gewicht von etwa 140 g/m2 wird nach dem Befeuchten auf etwa 12 % Feuchtigkeitsgehalt bei 90° C Walzentemperatur kalandert und geglättet.The soaked and dried semi-finished material with a weight of about 140 g / m 2 is calendered and smoothed after being moistened to a moisture content of about 12% at a roller temperature of 90 ° C.

Das Fertigmaterial verbrennt und verglüht nach dem Entzünden in kurzer Zeit und löst sich außerdem in Wasser in seine Bestandteile auf.The finished material burns and burns up after ignition in a short time and also dissolves in water into its constituent parts.

Claims (1)

PATENTANSPRUCH:PATENT CLAIM: Verfahren zur Herstellung eines in Wasser schnell in seine Bestandteile zerfallenden, beschreib- und bedruckbaren Papiers mit verbesserten Brenneigenschaften, durch Vermischen eines trockenen Faservlieses mit einer wäßrigen Mischung von Füllstoffen und wasserlöslichen Bindemitteln, Trocknen, Wiederanfeuchten und Warmkalandern nach Patent 1126 233, dadurch ge kennzeichnet, daß dem trockenen Faservlies außerdem in an sich bekannter Weise sauerstoffabgebende und die Verbrennung fördernde Substanzen, wie Kah'um-Natrium-Ammonium-Calcium-Nitrat und/oder Kalium-Natrium-Chlorat und -Perchlorat, Natriumperborat und andere Persalze und/oder Nitrozellulosen, wieCollodiumwolle, Lackwolle, Schießwolle, in Mengen von 15 bis 35, besonders 20 bis 30 % des Fertigmaterialgewichtes zugesetzt werden.Process for the production of a writable and printable paper which quickly disintegrates into its components in water and has improved burning properties, by mixing a dry fiber fleece with an aqueous mixture of fillers and water-soluble binders, drying, remoistening and hot calendering according to patent 1126 233, characterized in that that the dry nonwoven fabric also emits oxygen in a manner known per se and promotes combustion, such as potassium-sodium-ammonium-calcium-nitrate and / or potassium-sodium chlorate and perchlorate, sodium perborate and other persalts and / or nitrocelluloses, such as collodion wool, lacquer wool, gunwool, in amounts of 15 to 35, especially 20 to 30% of the finished material weight. In Betracht gezogene Druckschriften:
Deutsche Patentschrift Nr. 211 902.Considered publications:
German patent specification No. 211 902.
DEF28080A 1958-08-01 1959-03-28 Process for the production of a nonwoven-based paper which disintegrates quickly in water and has improved burning properties Pending DE1149603B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL274354D NL274354A (en) 1958-08-01
NL272052D NL272052A (en) 1958-08-01
DEF28080A DE1149603B (en) 1958-08-01 1959-03-28 Process for the production of a nonwoven-based paper which disintegrates quickly in water and has improved burning properties
GB2500559A GB922756A (en) 1958-08-01 1959-07-21 Improvements in or relating to the manufacture of paper
US82894359 US3034922A (en) 1958-08-01 1959-07-23 Water-soluble paper and method of making it
GB1038760A GB945771A (en) 1958-08-01 1960-03-24 Readily combustible, water-soluble paper and method of making it
FR881423A FR1307737A (en) 1958-08-01 1961-12-08 Process for making a water-soluble paper based on fiber webs
FR887886A FR81143E (en) 1958-08-01 1962-02-13 Process for making a water-soluble paper based on fiber webs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF26304A DE1126233B (en) 1958-08-01 1958-08-01 Process for the production of a nonwoven-based paper which disintegrates quickly in water
DEF28080A DE1149603B (en) 1958-08-01 1959-03-28 Process for the production of a nonwoven-based paper which disintegrates quickly in water and has improved burning properties

Publications (1)

Publication Number Publication Date
DE1149603B true DE1149603B (en) 1963-05-30

Family

ID=25974152

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF28080A Pending DE1149603B (en) 1958-08-01 1959-03-28 Process for the production of a nonwoven-based paper which disintegrates quickly in water and has improved burning properties

Country Status (4)

Country Link
US (1) US3034922A (en)
DE (1) DE1149603B (en)
GB (2) GB922756A (en)
NL (2) NL274354A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394218A (en) * 1966-04-25 1968-07-23 Sanders Associates Inc Destructible printed circuit assemblies containing oxidants

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259104A (en) * 1962-03-13 1966-07-05 Milton L Gerber Apparatus for manufacturing a product
GB1071706A (en) * 1964-10-14 1967-06-14 Mishima Paper Mfg Co Ltd A method of making paper which dissolves or rapidly disintegrates in water
DE1635492A1 (en) * 1967-01-12 1971-10-14 Freudenberg Carl Fa Process for the production of binder-bound nonwovens with a smooth surface
US3594928A (en) * 1968-06-13 1971-07-27 Bristol Myers Co Paper having areas dissolvable in water
US3610245A (en) * 1969-04-10 1971-10-05 Kimberly Clark Co Flushable wrapper for absorbent pads and pad covered therewith
US3640841A (en) * 1969-04-29 1972-02-08 Borden Co Method for controlling adhesion of paper on yankee drier with polyamides and resultant products
US3602225A (en) * 1969-05-07 1971-08-31 Fmc Corp Biodegradable absorbent pad
US4009313A (en) * 1972-08-30 1977-02-22 Minnesota Mining And Manufacturing Company Enzymatically dispersible non-woven webs
US3903889A (en) * 1973-02-16 1975-09-09 First National Bank Of Nevada Disposable liquid absorbent products
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NL272052A (en) 1900-01-01
US3034922A (en) 1962-05-15
GB945771A (en) 1964-01-08
GB922756A (en) 1963-04-03

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