Keratinous textile treatment with arylating compounds containing

Details Keratinous textile treatment with arylating compounds containing Keratinous textile treatment with arylating compounds containing

1988-12-22

1990-08-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Proteinaceous fibers

81276, 8543, 8917, 8490, 81281, 81283, 544180, 564 47, 564 49, 564 85, 564209, 568 28, C07C14706, C07D23926, D06M 1326, D06P 164

Patent

active

049503014

ABSTRACT:
A method of treating natural or synthetic polyamide or cellulosic textiles comprises applying an effective amount of an arylating agent, preferably to the dyebath. The arylating agent may be of a formula Ar--(X--Y).sub.n wherein Ar is an aromatic residue such as substituted or unsubstituted benzene or naphthalene ring; X is a bridging group such as --SO.sub.2, --CO-- or --NH--; Y is a reactive group; and n is 1 to 3. The arylating agent reduces fibre damage of natural polyamide fibres during dyeing and proves the degree of dye fibre reaction in dyeing of polyamide and cellulosic textiles to improve wet fastness. Furthermore, on cellulosic textiles, wet and dry wrinkle recovery properties are improved as is the yield of reactive dye fixation. On keratinous fibres shrink resistant and moth resistant properties are improved also. Certain novel arylating compounds are disclosed also.

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