Divalent metal salts of sulfonated novolak resins and methods fo

Details Divalent metal salts of sulfonated novolak resins and methods fo Divalent metal salts of sulfonated novolak resins and methods fo

1990-04-11

1992-03-24

Kight, III, John

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

8560, 8929, 428 96, 428395, B32B 302, B32B 700, B32B 2500, C09B 6700

Patent

active

050987747

ABSTRACT:
Compositions comprising normally solid, water-soluble divalent metal salts of partially sulfonated novolak resins are provided. These divalent salts of partially sulfonated novolak resins ae useful for imparting to fibrous polyamide materials stain resistance to natural and synthetic acid colorants. Also provided are methods of preparing these resins, methods of treating fibrous polyamide materials with these resins, and fibrous polyamide materials so treated.

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