RU95122798A - METHOD FOR PRODUCING STRENGTHENED FIBROUS MATERIALS - Google Patents

METHOD FOR PRODUCING STRENGTHENED FIBROUS MATERIALS

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Publication number
RU95122798A
RU95122798A RU95122798/12A RU95122798A RU95122798A RU 95122798 A RU95122798 A RU 95122798A RU 95122798/12 A RU95122798/12 A RU 95122798/12A RU 95122798 A RU95122798 A RU 95122798A RU 95122798 A RU95122798 A RU 95122798A
Authority
RU
Russia
Prior art keywords
fibers
copolymer
meth
esters
methylol
Prior art date
Application number
RU95122798/12A
Other languages
Russian (ru)
Other versions
RU2101404C1 (en
Inventor
Кинкель Йоханнес
Бринк Герхард
Эрнет Вальтер
Шульце Йоахим
Вирер Конрад
Original Assignee
Вакер-Хеми ГмбХ
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 DE4306808A external-priority patent/DE4306808A1/en
Application filed by Вакер-Хеми ГмбХ filed Critical Вакер-Хеми ГмбХ
Publication of RU95122798A publication Critical patent/RU95122798A/en
Application granted granted Critical
Publication of RU2101404C1 publication Critical patent/RU2101404C1/en

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Claims (10)

1. Способ получения упрочненных волокнистых материалов путем контактирования волокнистых материалов со способным к сшивке сополимером на основе сложных виниловых эфиров или сложных эфиров (мет)акриловой кислоты и при необходимости с водой и последующей термообработки под давлением, отличающийся тем, что способный к сшивке сополимер на основе сложных виниловых эфиров или сложных эфиров (мет)акриловой кислоты используют в виде порошка, при этом сополимер на основе сложных виниловых эфиров включает один или несколько мономеров из числа сложных виниловых эфиров прямых или разветвленных алкилкарбоновых кислот с 1-15 атомами углерода, а сополимер на основе сложных эфиров (мет)акриловой кислоты - один или несколько мономеров из числа сложных эфиров метакриловой кислоты и акриловой кислоты и спиртов с 1 - 10 атомами углерода, при этом сополимер на основе сложных виниловых эфиров и сложных эфиров (мет)акриловой кислоты включает 0,1 - 10% от веса сополимера одного или нескольких этиленненасыщенных сомономеров со сшивающим действием.1. A method of producing reinforced fibrous materials by contacting the fibrous materials with a crosslinkable copolymer based on vinyl esters or esters of (meth) acrylic acid and, if necessary, with water and subsequent heat treatment under pressure, characterized in that the crosslinkable copolymer based on vinyl esters or esters of (meth) acrylic acid are used in powder form, wherein the vinyl ester copolymer comprises one or more of the c false vinyl esters of straight or branched alkylcarboxylic acids with 1-15 carbon atoms, and the copolymer based on esters of (meth) acrylic acid is one or more monomers from the number of esters of methacrylic acid and acrylic acid and alcohols with 1 to 10 carbon atoms, at this copolymer based on vinyl esters and esters of (meth) acrylic acid includes 0.1 to 10% by weight of the copolymer of one or more ethylenically unsaturated comonomers with a crosslinking effect. 2. Способ по п.1, отличающийся тем, что волокнистые материалы контактируют с водой перед добавлением указанного сополимера. 2. The method according to claim 1, characterized in that the fibrous materials are in contact with water before adding the specified copolymer. 3. Способ по п.1, отличающийся тем, что волокнистые материалы контактируют с водой после добавления указанного сополимера. 3. The method according to claim 1, characterized in that the fibrous materials are in contact with water after adding the specified copolymer. 4. Способ по п.1, отличающийся тем, что сополимер содержит один или несколько сомономеров со сшивающим действием из числа акриламидогликолевой кислоты, сложного метилового эфира метилакриламидогликолевой кислоты, N-метилолакриламида, N-метилолметакриламида, N-метилолаллилкарбамата, простых алкиловых эфиров, таких, как, например, изобутоксиэфир или сложных эфиров N-метилолакриламида, N-метилолметакриламида или N-метилолаллилкарбамата. 4. The method according to claim 1, characterized in that the copolymer contains one or more comonomers with a crosslinking action from among acrylamidoglycolic acid, methyl acrylamidoglycolic acid methyl ester, N-methylolacrylamide, N-methylol methacrylamide, N-methylolallyl carbamate, alkyl ethers, such as, for example, isobutoxy ester or esters of N-methylolacrylamide, N-methylol methacrylamide or N-methylolallyl carbamate. 5. Способ по п.1, отличающийся тем, что сополимеры на основе сложных виниловых эфиров содержат, мас.% винилацетата 70 - 95, этилена 5 - 25, и/или диизопропилфумарата 5 - 30 и N-метилол(мет)акриламида 0,1 - 10,0, или винилацетата 50 - 70, VeoVа9 и/или VеоVа10 10 -30, этилена 5 - 25 и N-мети-лол(мет)акриламида 0,1 - 10,0, или винилацетата 15 - 50, винилхлорида и/или диизопропилфумарата 30 - 65, этилена 5 - 25 и N-метилол(мет)акриламида 0,1 - 10, или винилацетата 50 - 70, н-бутилакрилата или 2-этилгексилакрилата 1 - 30, этилена 5 - 25 и N-метилол(мет)акриламида 0,1 - 10. 5. The method according to claim 1, characterized in that the copolymers based on vinyl esters contain, wt.% Vinyl acetate 70 - 95, ethylene 5 - 25, and / or diisopropyl fumarate 5 - 30 and N-methylol (meth) acrylamide 0, 1 - 10.0, or vinyl acetate 50 - 70, VeoVa9 and / or VeoVa10 10 -30, ethylene 5 - 25 and N-methylol (meth) acrylamide 0.1 - 10.0, or vinyl acetate 15 - 50, vinyl chloride and / or diisopropyl fumarate 30 - 65, ethylene 5 - 25 and N-methylol (meth) acrylamide 0.1 - 10, or vinyl acetate 50 - 70, n-butyl acrylate or 2-ethylhexyl acrylate 1 - 30, ethylene 5 - 25 and N- methylol (meth) acrylamide 0.1-10. 6. Способ по п.1, отличающийся тем, что сополимеры на основе сложных эфиров (мет)акриловой кислоты содержат, мас.%: метилметакрилата 30 - 70, н-бутилакрилата и/или 2-этилгексилакрилата 70 - 30 и N-метилол(мет)акриламида 0,1 - 10, или же стирола 30 - 70 и н-бутилакрилата и/или 2-этилгексилакрилата 70 - 30 и N-метилол-(мет)акриламида 0,1 - 10. 6. The method according to claim 1, characterized in that the copolymers based on esters of (meth) acrylic acid contain, wt.%: Methyl methacrylate 30 - 70, n-butyl acrylate and / or 2-ethylhexyl acrylate 70 - 30 and N-methylol ( meth) acrylamide 0.1 to 10, or styrene 30 to 70 and n-butyl acrylate and / or 2-ethylhexyl acrylate 70 to 30 and N-methylol (meth) acrylamide 0.1 to 10. 7. Способ по п.1, отличающийся тем, что в качестве волокнистых материалов используют древесные волокна, целлюлозные волокна, шерсть, хлопок. минеральные волокна, керамические волокна, синтетические волокна на основе образующих волокна полимеров, такие как, например, вискозные волокна, полиэтиленовые, полипропиленовые, полиэфирные, полиамидные, полиакрилнитриловые и углеродные волокна, волокна гомо- или сополимеров винилхлорида или волокна гомо- или сополимеров тетрафторэтилена. 7. The method according to claim 1, characterized in that the fibrous materials used are wood fibers, cellulose fibers, wool, cotton. mineral fibers, ceramic fibers, synthetic fibers based on fiber-forming polymers, such as, for example, viscose fibers, polyethylene, polypropylene, polyester, polyamide, polyacrylonitrile and carbon fibers, fibers of homo- or copolymers of vinyl chloride or fibers of homo- or tetrafluoroethylene copolymers. 8. Способ по пп.1 - 5, отличающийся тем, что способный к сшивке порошковый сополимер в количестве 5 - 50 % от веса волокон смешивают с (при необходимости предварительно уплотненным механическим путем) волокнистым материалом путем насыпания, всыпания, врабатывания встряхиванием или же путем непосредственного смешивания с волокнами, перед насыпанном порошкового сополимера или после него увлажняют водой в количестве 5 - 60 % от веса сухой смеси волокон и связующего, и для связывания волокон плоское волокнистое изделие или формованное изделие нагревают под давлением до 100 бар до 100 - 200oС.8. The method according to claims 1 to 5, characterized in that the crosslinkable powder copolymer in an amount of 5-50% by weight of the fibers is mixed with (optionally pre-compacted by mechanical means) the fibrous material by pouring, pouring, incubation by shaking, or by directly mixed with fibers, before or after a powdered copolymer is poured, moisten with water in an amount of 5-60% by weight of a dry mixture of fibers and a binder, and to bind the fibers, a flat fiber product or a molded product is heated ayut pressurized to 100 bar to 100 - 200 o C. 9. Способ по п.8, отличающийся тем, что после насыпания порошкового сополимера на влажные волокна удаляют воду при 80 - 110oС путем нагрева волокнистого изделия в воздушном потоке и перед термической сшивкой сополимера воду снова набрызгивают в указанном количестве на волокна.9. The method according to claim 8, characterized in that after pouring the powder copolymer onto the wet fibers, water is removed at 80-110 ° C by heating the fibrous product in an air stream and before thermal crosslinking of the copolymer, water is again sprayed in the indicated amount onto the fibers. 10. Способ по пп.1 - 9, отличающийся тем, что способный к сшивке порошковый сополимер используют для упрочнения волокон при получении формованных изделий из волокнистых материалов, упрочнения стекловолокон, ват, получения волокнистого нетканого материала и получения иглопробивного материала. 10. The method according to claims 1 to 9, characterized in that a crosslinkable powder copolymer is used to strengthen the fibers in the manufacture of molded products from fibrous materials, hardening glass fibers, watts, obtain a fibrous non-woven material and obtain needle-punched material.
RU95122798A 1993-03-04 1994-03-03 Method for producing reinforced fibrous materials RU2101404C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4306808.1 1993-03-04
DE4306808A DE4306808A1 (en) 1993-03-04 1993-03-04 Crosslinkable dispersion powder as a binder for fibers
PCT/EP1994/000625 WO1994020661A1 (en) 1993-03-04 1994-03-03 Cross-linkable dispersion powder useful as binder for fibers

Publications (2)

Publication Number Publication Date
RU95122798A true RU95122798A (en) 1997-09-20
RU2101404C1 RU2101404C1 (en) 1998-01-10

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US (2) US5668216A (en)
EP (1) EP0687317B1 (en)
JP (1) JP2739611B2 (en)
KR (2) KR960700627A (en)
CN (1) CN1094145C (en)
AT (1) ATE145258T1 (en)
AU (1) AU675704B2 (en)
BR (1) BR9405880A (en)
CA (1) CA2161119C (en)
CZ (1) CZ287541B6 (en)
DE (2) DE4306808A1 (en)
ES (1) ES2094054T3 (en)
FI (1) FI114321B (en)
HU (1) HU214051B (en)
NO (1) NO180805C (en)
PL (1) PL173357B1 (en)
RU (1) RU2101404C1 (en)
SK (1) SK281475B6 (en)
UA (1) UA40610C2 (en)
WO (1) WO1994020661A1 (en)

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