Patent ID: 9574291
Date: 2017-02-21
CPC Classifications: C08K,C08L,C09J,D04H,D06M,D06N,E04D,Y10T

Claim:
1. A binder system comprising: a) 10 to 90 wt % (dry mass) of an aqueous dispersion of polymers based on conjugated aliphatic dienes and vinyl aromatic compounds; b) 90 to 10 wt % (dry mass) starch, wherein the starch comprises a mixture of amylose and amylopectin and has a molecular weight M c) 0 to 10 wt % (dry mass) additives; with the figures for the percentage by weight relating to the dry mass of the binder system; wherein a textile fabric is bonded with the binder system, wherein the starch replaces a formaldehyde-containing binder component, and wherein the polymers are emulsion polymers consisting of: a) 20 to 80 parts by weight of conjugated aliphatic dienes, b) 20 to 80 parts by weight of vinyl aromatic compounds, c) 0 to 10 parts by weight of ethylenic unsaturated carboxylic acids and/or dicarboxylic acids, d) 0 to 20 parts by weight of ethylenic unsaturated carboxylic acid nitriles, manufactured in the presence of water, emulgators and water soluble initiators.