Dispersing assistant for emulsion and suspension polymerization

Details Dispersing assistant for emulsion and suspension polymerization Dispersing assistant for emulsion and suspension polymerization

2009-07-23

2010-10-19

Wu, David (Department: 1796)

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...

C524S553000, C524S556000, C524S559000, C526S280000, C526S317100, C526S318200, C526S318300, C526S318400, C526S318500

Reexamination Certificate

active

07816441

ABSTRACT:
The use of an addition polymer A composed in copolymerized form of0.1% to 40% by weight of at least one C3 to C30 alkene,40% to 99.9% by weight of at least one ethylenically unsaturated C3 to C6 monocarboxylic acid,0% to 50% by weight of at least one ethylenically unsaturated C4 to C12 dicarboxylic acid and/or of the ethylenically unsaturated dicarboxylic monoalkyl esters or dicarboxylic anhydrides obtainable from said acid, and0% to 30% by weight of at least one other ethylenically unsaturated compound which is copolymerizable with the aforementioned monomers,as a dispersing assistant in free-radically initiated aqueous emulsion or suspension polymerization.

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