Post-treatment of synthetic fiber fabrics

Details Post-treatment of synthetic fiber fabrics Post-treatment of synthetic fiber fabrics

1985-09-03

1986-12-16

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carbohydrate or derivative as a reactant

527302, 525 5422, 811554, 811566, 811567, C08G 1802, C08G 1848, D06M 1342

Patent

active

046297740

ABSTRACT:
Synthetic fiber-containing fabrics are post-treated by impregnating the fabrics with an aqueous solution or dispersion of a thermally reactive blocked isocyanate group-containing polysaccharide derivative and then baking the impregnated fabrics. The blocked isocyanate group-containing polysaccharide derivative is produced by reacting a hydroxy-alkylated natural polysaccharide with a polyisocyanate compound to form a urethane polymer having at least one free isocyanate group, and then blocking the free isocyanate group with a blocking agent. The hydroxyalkylate natural polysaccharide may be directly reacted with a polyisocyanate compound having at least one blocked isocyanate group.

REFERENCES:
patent: 3311608 (1967-03-01), Murphy
patent: 3386931 (1968-06-01), Smart et al.
patent: 3475356 (1969-10-01), Davis et al.

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