Title:
POLYURETHANE COMPOSITION, POLYURETHANE FIBER AND PRODUCTION OF POLYURETHANE FIBER
Document Type and Number:
Japanese Patent JP3743549
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject composition stabilized for a discoloration and deterioration caused by a nitrogen oxide not only in an intermediate product but also in a final product subjected to a dyeing process, etc., by containing a polyurethane, specific 2 kinds of antioxidants and a specific compound.
SOLUTION: This objective composition is obtained by containing (A) a polyurethane, (B) 0.1-2 wt.% phenolic antioxidant based on the component A, (C) 0.1-2 wt.% phosphite ester-based antioxidant based on the component A and (D) 0.5-5 wt.% hindered amine compound containing ≥1 monovalent organic group of formula I [R is a 1-4 alkyl; R1 is H, a 1-4C alkyl or a 1-10C alkoxy] and/or divalent organic acid of formula II in one molecule of which number of organic groups are ≥1.3 mol per 1 kg component D, and having ≤5.0×10-3 eq/l solubility toward an acid solution.
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Inventors:
Kota Kitamura
Chihiro Oshita
Ishimaru
Chihiro Oshita
Ishimaru
Application Number:
JP35757199A
Publication Date:
February 08, 2006
Filing Date:
December 16, 1999
Export Citation:
Assignee:
TOYO BOSEKI KABUSHIKI KAISHA
International Classes:
C08L75/04; C08F220/34; C08F220/60; C08K5/13; C08K5/3432; C08K5/524; C08L33/00; D01F6/70; D01F6/94; (IPC1-7): C08L75/04; C08K5/13; C08K5/3432; C08K5/524; D01F6/94; //D01F6/70
Domestic Patent References:
| JP57034155A | ||||
| JP9003133A | ||||
| JP10053681A | ||||
| JP11286564A |