Polyurethane emulsion, sheet-like porous material making use of

Details Polyurethane emulsion, sheet-like porous material making use of Polyurethane emulsion, sheet-like porous material making use of

1988-08-08

1989-08-01

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521170, 524588, 524591, 524700, 524731, C08G 1814

Patent

active

048534188

ABSTRACT:
A polyurethane emulsion is composed of an organic solvent solution of a polyurethane resin containing silicone segments and/or fluorocarbon segments as backbones and/or side chains and water emulsified in the organic solvent solution. A sheet-like porous material having a porous layer of a polyurethane resin provided on a base material is produced by using the above polyurethane emulsion to form the porous layer.

REFERENCES:
patent: 3418198 (1968-12-01), Einstman
patent: 3546001 (1970-12-01), Giannone et al.
patent: 3582396 (1971-06-01), Konig et al.
patent: 4086193 (1978-04-01), Reischl
patent: 4746684 (1988-05-01), Kuriyama et al.

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