Process for preparing cross-linked acrylic elastomers

Details Process for preparing cross-linked acrylic elastomers Process for preparing cross-linked acrylic elastomers

1982-04-08

1985-12-31

Wong, Jr., Harry

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526208, 526212, 526213, 528220, 528271, C08F22006

Patent

active

045622345

ABSTRACT:
An ionically cross-linked acrylic elastomer having a glass transition temperature below 30.degree. C. is prepared by precipitation polymerization of a di- or polyvalent metal salt of acrylic, methacrylic and/or itaconic acid and/or a higher ester of methacrylic acid in an anhydrous organic solvent in which the polymer is insoluble. The metal ions comprise 0.1 to 15% of the monomer mixture.

REFERENCES:
patent: 2502411 (1950-04-01), Neher et al.
patent: 2726230 (1955-12-01), Carlson
patent: 3322734 (1967-05-01), Rees
patent: 3493550 (1970-02-01), Schmidt et al.
patent: 3705137 (1972-12-01), Kuwahara et al.
The Condensed Chemical Dictionary, 7th Edition, Published by Reinhold Publishing Corp., N.Y., (1966), pp. 1040, 1041 and 1042.
Copolymers of Butadiene and Unsaturated Acids: Crosslinking by Metal Oxides, (Journal of Polymer Science, vol. 28; pp. 195-206, (1958), W. Cooper, Dunlop Research Centre, Birmingham, England).

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