High-durability non-woven fabric with melange appearance and method for manufacture
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United States of America Patent
Stats
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Oct 16, 2007
Grant Date -
Jun 23, 2005
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A non-woven fabric with melange-type visual appearance and endowed with high-durability comprising a fiber part and a matrix binder characterized by the binder matrix being a polyurethane characterized by the presence of soft segments and rigid segments, the former constituted from mixtures of polycarbonate-polyols and polyester-polyols, and the latter, from urethane groups deriving from the reaction of isocyanates with ureic polyols, and groups deriving from the reaction between the free isocyanate groups and water, and the fiber part comprises a fiber of melange appearance that is a mixture of two or more fibers with different dyeability characteristics.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- B32B Class
- 3.32 % this patent is cited more than
- 18 Age
