Stable vinyl acetate and amine monomer copolymer emulsions

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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260 296TA, 260 4243, 526263, 526922, 526312, 428511, C08F 230, C08F 224, C08F 2034

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active

042962250

ABSTRACT:
This invention provides a process for preparing a stable aqueous emulsion composition which has excellent properties for application as a wet abrasion-resistant paper coating binder. The dispersed copolymer of the aqueous emulsion composition comprises a major proportion of vinyl acetate and a minor proportion of an amino-containing vinyl monomer. An important aspect of the emulsion preparation method is the addition of an aqueous solution of the amino-containing vinyl monomer as a separate feedstream, wherein the amine group in the said vinyl monomer is in the form of an amine-acid salt.

REFERENCES:
patent: 3040012 (1962-06-01), Maeder
patent: 3282879 (1966-11-01), Werner, Jr.
patent: 3404114 (1968-10-01), Snyder
patent: 3652480 (1972-03-01), Coker
patent: 3925442 (1975-12-01), Samour
patent: 4042553 (1977-08-01), Lindemann
patent: 4048192 (1977-09-01), Stoll

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