Polyurethane adhesive and a method for heat sealing textiles

Details Polyurethane adhesive and a method for heat sealing textiles Polyurethane adhesive and a method for heat sealing textiles

C - Chemistry, Metallurgy

08

G

154/103, 402/131

C08G 18/40 (2006.01) C08G 18/65 (2006.01) C09D 5/06 (2006.01) C09J 175/04 (2006.01) D06M 23/18 (2006.01)

Patent

CA 1037191

Abstract of the Disclosure A solvent-free polyurethane adhesive for heat seal- ing textiles which is resistant to solvents and detergents used in dry cleaning processes which is prepared from a) about 55 to about 95% by weight, based on the whole polyurethane mass, of at least one compound which contains at least two aliphatic hydroxyl groups and has a molecular weight of from about 1000 to about 2500 and a melting point of from about 25° to about 130°C, b) at least one organic polyisocyanate, prefer- ably present in about 5 to about 45% by weight, and c) 0 to about 15% by weight, based on the whole polyurethane mass, of at least one aliphatic polyol and/or polyamine, using an equivalent ratio of Image = 0.9 to 1.05 is provided.

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