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Title:
POLYURETHANE COMPOSITION
Document Type and Number:
Japanese Patent JP2012193259
Kind Code:
A
Abstract:

To provide a polyurethane composition in which solid particles are finely dispersed with stability to suppress filter clogging caused by the aggregation of the solid particles, thereby reducing a workload by the reduction of a frequency of filter replacement, and in which the consistent production of polyurethane elastic fibers is enabled by decreasing the thread breakage trouble during spinning a yarn.

The polyurethane composition contains a polyurethane polymer, an amide-based solvent, the solid particles, and a dispersant which is a polycarboxylic acid-based copolymer compound.


Inventors:
YOSHIZATO AKIHIKO
OKAMOTO TAKAHIRO
Application Number:
JP2011057630A
Publication Date:
October 11, 2012
Filing Date:
March 16, 2011
Export Citation:
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Assignee:
ASAHI KASEI FIBERS CORP
International Classes:
C08L75/04; C08K3/00; C08K5/098; C08L33/00; C08L35/00; C08L55/00; D01F6/94
Domestic Patent References:
JP2000064120A2000-02-29
JPS60190486A1985-09-27
Attorney, Agent or Firm:
三間 俊介
中村 和広
古賀 哲次
石田 敬
青木 篤
齋藤 都子