Process for preparing acrylate polymers

Details Process for preparing acrylate polymers Process for preparing acrylate polymers

1974-07-30

1976-03-09

Kight, III, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 312R, 260885, C08F 624, C08F26506

Patent

active

039431908

ABSTRACT:
A process for preparing arcylate polymers comprising subjecting to suspension-polymerization a system (I) comprising an alkyl ester of methacrylic acid, said system (I) optionally containing an alkyl ester of acrylic acid and other vinyl monomer copolymerizable with said esters, to obtain a suspension containing polymer beads; and adding to the resulting suspension an aqueous suspension of a system (II) comprising an alkyl ester of acrylic acid and a cross-linking monomer, said system (II) optionally containing an alkyl ester of methacrylic acid and being employed in an amount of 20 to 70 parts by weight per 100 parts by weight of said system (I), under agitation at a temperature allowing substantial advance of polymerization to effect a final polymerization. The polymers obtained by the process are excellent in both the weather resistance and impact resistance, which are suitable for formation of molded products having excellent properties, especially, suitable for formation of films having a beautiful lustrous surface and excellent mechanical properties.

REFERENCES:
patent: 3745196 (1973-07-01), Lane et al.
patent: 3833686 (1974-09-01), Grochowski et al.

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