Migration-resistant binder compositions for bonding nonwoven fib

Details Migration-resistant binder compositions for bonding nonwoven fib Migration-resistant binder compositions for bonding nonwoven fib

1976-05-17

1978-10-10

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296N, 260 296HN, 260 297W, 428428, 428452, 428454, 428512, 428513, 428514, 428533, 428537, C08L 3300

Patent

active

041196007

ABSTRACT:
Migration-resistant binder compositions for bonding nonwoven fibers are disclosed. These compositions comprise (A) an anionically-stabilized polymer latex; (B) a water-soluble polymer of 20-100% by weight of mer units containing an amine group and having a viscosity average molecular weight between 5,000 and 300,000; and (C) a volatile base. Usually, the compositions have a solids content between 10% and 60% by weight, a viscosity below 3,000 centipoise, a pH above 5, and a component (B) content between 0.1% and 20% by weight of the solids. In alternative compositions, component (B) is replaced by component (B'), a water-insoluble polymer with the same amine group content and a viscosity average molecular weight between 5,000 and 100,000.

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