Aqueous polymer dispersion

Details Aqueous polymer dispersion Aqueous polymer dispersion

2006-08-22

2006-08-22

Wu, David W. (Department: 1713)

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...

C524S457000, C524S458000, C524S801000, C524S802000, C524S804000, C524S832000, C524S845000

Reexamination Certificate

active

07094831

ABSTRACT:
An aqueous polymer dispersion prepared by free-radical polymerization of vinyl acetate in the presence of at least one ionic emulsifier, at least one free-radical initiator and at least one protective colloid, wherein the polymerization is carried out in the presence of a polymerization regulator and wherein the ratio by weight of protective colloid to ionic emulsifier is at least 4:1 and wherein the ratio by weight of vinyl acetate monomer to protective colloid is between 19:1 and 4:1.

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