Polyurethane coated textile sheets

Details Polyurethane coated textile sheets Polyurethane coated textile sheets

B - Operations, Transporting

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B

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B32B 27/12 (2006.01) C08L 25/12 (2006.01) C08L 75/04 (2006.01) D06N 3/14 (2006.01) C08L 51/04 (2006.01)

Patent

CA 1060770

POLYURETHANE COATED TEXTILE SHEETS Abstract of the Disclosure Polyurethane coated textile sheets are disclosed and a reversal process for their preparation, wherein the textile sheets are coated by means of a top coat solution with a polymer mixture comprising i) 50 to 90% by weight, based on the total polymer, of a substantially linear poly- urethane which is substantially free of reactive end groups and which has been prepared by a process which comprises reacting an organic dihydroxyl compound of molecular weight 500 to 4000 and an organic diol of molecular weight 60 to 450 with an aromatic-diisocyanate, ii) 0 to 50% by weight of a vinyl copolymer, and iii) 1 to 50% by weight of a diene graft copolymer, said polymer mixture having been applied to a release sub- strate prior to said coating process.

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