METHOD FOR PRODUCING REINFORCED FIBROUS MATERIALS
FIELD: production of reinforced materials. SUBSTANCE: method involves providing contact between fibrous material and copolymer based on vinyl esters or methacrylic acid esters capable of cross-linking, or, if necessary, with water; effectuating thermal treatment under pressure. Copolymer capable of...
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Zusammenfassung: | FIELD: production of reinforced materials. SUBSTANCE: method involves providing contact between fibrous material and copolymer based on vinyl esters or methacrylic acid esters capable of cross-linking, or, if necessary, with water; effectuating thermal treatment under pressure. Copolymer capable of cross-linking may be powder. Copolymer based on vinyl esters has at least one monomer selected from the group containing vinyl esters of straight or branched alkylcarboxylic acids with 1-15 atoms of carbon and copolymer based on (met)acrylic acid esters has at least one monomer selected from the group containing metacrylic and acrylic acid esters and alcohols with 1-10 atoms of carbon. Copolymer based on vinyl esters and (met)acrylic acid esters contains 0.1-10% by weight of copolymer of at least one comonomer unsaturated with ethylene and possessing cross-linking effect. EFFECT: increased efficiency and improved quality of materials. 10 cl, 2 tbls |
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