Process for making an acryloinitrile/methacrylonitrile copolymer

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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C08F22044

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active

055960588

ABSTRACT:
A process for making acrylonitrile/methacrylonitrile copolymer, comprising polymerizing a mixture of acrylonitrile monomer and methacrylonitrile monomer in which the rate of addition of the comonomers is set by the rate of polymerization so that the concentration of unreacted acrylonitrile monomer and unreacted methacrylonitrile monomer is low and the polymerization process is in a starved condition.

REFERENCES:
patent: 2692875 (1954-10-01), Weinstock, Jr. et al.
patent: 3565876 (1971-02-01), Ball et al.
patent: 5106925 (1992-04-01), Curatolo et al.

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