Resilient, high shrinkage propylene polymer yarn and...

Details Resilient, high shrinkage propylene polymer yarn and... Resilient, high shrinkage propylene polymer yarn and...

D - Textiles, Paper

01

F

D01F 8/06 (2006.01)

Patent

CA 2475412

Disclosed are propylene polymer material fibers, yarns, pile fabrics and carpets capable of increased resiliency and shrinkage. The fibers are made of propylene polymer material optionally blended with polypropylene homopolymer. The propylene polymer material is: (I) (a) a random crystalline terpolymer of propylene, ethylene and a C4-C8 alpha-olefins; (b) a random crystalline propylene polymer composition comprising: (1) a copolymer of propylene with a C4-C8 alpha-olefin; and (2) a copolymer of propylene, ethylene and optionally a C4-C8 alpha-olefin; (c) a combination of: (1) a random crystalline terpolymer of propylene, ethylene and C4-C8 alpha-olefin; (2) a copolymer of propylene with a C4-C8 alpha-olefin; and (3) a copolymer of ethylene with a C4-C8 alpha-olefin; (d) a random crystalline propylene polymer comprising a small amount of ethylene or a C4-C8 alpha-olefin or (II) a heterophasic polyolefin composition comprising (a) 90-55 % of polypropylene homopolymer and (b) 10-45 % of an elastomeric copolymer of propylene with ethylene or a C4-C8 alpha-olefin.

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