Anti-pilling treating method for protein fiber material

Details Anti-pilling treating method for protein fiber material Anti-pilling treating method for protein fiber material

2006-09-19

2006-09-19

Einsmann, Margaret (Department: 1751)

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Proteinaceous fibers

Reexamination Certificate

active

07108724

ABSTRACT:
An anti-pilling treating method is proposed in which protein fiber materials that are constant in quality and have sufficient softness and drape can be stably manufactured. Protein fiber is subjected to cross-linking reaction under weak alkaline conditions of pH 8.5–9.9 at the beginning of the reaction and pH 7.0–7.9 at the end of the reaction by use of a cross-linking agent containing 1 wt % or over of one or more of pyrimidine compound selected from the group consisting of 2,4,6-trichloropyrimidine, 2,6-dichloropyrimidine, 2,6-dichloro-4-aminopyrimidine, 4,6-dichloropyrimidine and 2-amino-4,6 dichloropyrimidine.

REFERENCES:
patent: 4680384 (1987-07-01), Seitz et al.
patent: 9-78451 (1997-03-01), None
patent: 3121377 (2000-12-01), None
patent: 2002-138369 (2002-05-01), None

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