Polyurethane emulsion, sheet-like porous material making use of the emulsion and production process of the material
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United States of America Patent
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Aug 1, 1989
Grant Date -
N/A
app pub date -
Aug 8, 1988
filing date -
Aug 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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