Textile coating with polyurethanes

Details Textile coating with polyurethanes Textile coating with polyurethanes

B - Operations, Transporting

32

B

154/86

B32B 27/12 (2006.01) C08G 18/66 (2006.01) D06N 3/14 (2006.01)

Patent

CA 1055831

TEXTILE COATING WITH POLYURETHANES Abstract of the Disclosure This application relates to textile sheets which have been coated with polyurethanes and to a process for coating said textile sheets wherein a solution of polyure- thane is applied as a top coat to a release substrate and then a bonding coat is applied before application of the textile material. The polyurethane which is used as a top coat is prepared by reacting a dihydroxyl compound with a molecular weight between about 600 and 4000 and a mixture of at least 2 diols with a molecular weight between 62 and 450 with at least one organic diisocyanate. The invention over- comes the difficulty of the top coat being lifted from the release substrate in numerous areas while other areas remain firmly attached giving the so-called "hoar-frost" effect.

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