Migration resistant binder compositions for bonding nonwoven...

Details Migration resistant binder compositions for bonding nonwoven... Migration resistant binder compositions for bonding nonwoven...

D - Textiles, Paper

04

H

400/1207, 400/13

D04H 1/64 (2006.01) D06M 15/693 (2006.01)

Patent

CA 1114085

ABSTRACT OF THE DISCLOSURE 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 vola- tile 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 com- positions, component B) is replaced by component B'), a water-soluble polymer with the same amine group content and a viscosity average molecular weight between 5,000 and 100,000.

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