Method for producing a composite sheet material

Details Method for producing a composite sheet material Method for producing a composite sheet material

B - Operations, Transporting

05

D

117/195, 117/99

B05D 3/10 (2006.01) C08G 18/28 (2006.01) C08G 18/32 (2006.01) D06N 3/14 (2006.01)

Patent

CA 1210652

ABSTRACT OF THE DISCLOSURE The method of this invention makes it possible to provide a composite sheet material which has not only soft and pliable feel characteristics, despite its density, but also high resistance against discoloration and deterioration the method having a particular combination comprising (a) employment of a polyurethane elastomer containing a steri- cally hindered amino group in its molecule, (b) addition of a specific amount of polybasic acid and/or specific derivatives thereof, and (c) employment of wet-coagulation treatment.

441733

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