Waterproof and breathable composite film, and waterproof and breathable composite fabric
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United States of America Patent
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Issued Date -
Sep 1, 2005
app pub date -
Feb 23, 2005
filing date -
Feb 26, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A composite film having an abrasion-resistant layer on one side of a flexible base material that is waterproof and permeable to water vapor, wherein the waterproof moisture-permeable composite film is characterized in that the flexible base material contains a polar polymer, and the abrasion-resistant layer contains a cross-linked polyamide resin.
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