Water-based sulfonated polymer compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524507, 524457, 524591, C08J 302

Patent

active

058079190

ABSTRACT:
A method for the preparation of sulfonated polymer compositions wherein water dispersible isocyanate-terminated polyurethane prepolymers are reacted in the presence of aqueous polyvinyl dispersions which may contain active hydrogen atoms. The inventive compositions develop interpenetrating polymer networks, which may form core-shell type structures, and are characterized as having enhanced mechanical and adhesion properties.

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