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Pile fabric with height difference and method for manufacturing the same

Abstract: A step pile fabric according to the present invention contains a non-shrinkable fiber, and a shrinkable fiber containing a modacrylic copolymer. A composition of the shrinkable fiber containing the modacrylic copolymer contains a polymer composition obtained by mixing i) 60 to 99 parts by weight of a copolymer (A) containing 35 wt % to 98 wt % of acrylonitrile, and 2 wt % to 65 wt % of a total amount of 0.5 wt % to 5.0 wt % of a sulfonic-group-containing monomer and other vinyl monomer, and ii) 1 to 40 parts by weight of a copolymer (B) containing 0 wt % to 90 wt % of acrylonitrile, 2 wt % to 40 wt % of a sulfonic-group-containing monomer, and 0 wt % to 80 wt % of other vinyl monomer containing no halogen. A dry heat shrinkage S of the shrinkable fiber at 130° C. for 5 minutes after dyeing is 15% to 40%. In this way, by performing dyeing using a cationic dye in a low-temperature region so as to suppress shrinkage during dyeing and performing a dry heat treatment after dyeing, a pile fabric with large height difference is provided. ...

Agent: Hamre, Schumann, Mueller & Larson, P.C. - Minneapolis, MN, US
Inventors: Kohei Kawamura, Sohei Nishida, Takahiro Omoto
USPTO Applicaton #: #20070298210 - Class: 428096000 (USPTO)

Related Terms: Fiber Halo Halog Halogen Ionic Logen Minute Mono Monomer Nitr Shrinkage Suppress Related Patent Categories: Stock Material Or Miscellaneous Articles, Pile Or Nap Type Surface Or Component, With Coating, Impregnation, Or Bond
The Patent Description & Claims data below is from USPTO Patent Application 20070298210, Pile fabric with height difference and method for manufacturing the same.

Dac Dye Fiber Halo Halog Halogen Ionic Logen Minute Mono Monomer Nitr Shrinkage Suppress Wt

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