Preparation of cationic amine-functional copolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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204181C, 260 296HN, 260 328N, 260 334R, 526208, 526209, 526212, 526213, 526216, 526233, 526304, C08F 206, C08F22058

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041951476

ABSTRACT:
The preparation of water dispersible amine-functional copolymers is disclosed in which a mixture of ethylenically unsaturated material including amine-functional monomer is slowly added to a heated heel of water miscible organic solvent containing a solubilizing acid in an amount to neutralize from 25% to 90% of the amine functionality in the copolymer, but insufficient to provide a pH below 5 when the copolymer is dispersed in aqueous medium.

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patent: 4116787 (1978-09-01), Gatechair

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