Chemically reducing residual styrene monomer in styrene polymers

Details Chemically reducing residual styrene monomer in styrene polymers Chemically reducing residual styrene monomer in styrene polymers

1979-09-14

1981-06-23

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457R, 528481, 528498, C08K 501

Patent

active

042749840

ABSTRACT:
A process for regulating free styrene monomer in styrenic polymers during melting which involves having an effective amount of a styrene scavenger such as myrcene in admixture with the polymer during melting. Shaped products such as pellets, preforms, containers, film, sheet, etc., formed from such melt are well suited for use in packaging food, beverages, pharmaceuticals, cosmetics, etc., in that residual styrene monomer in the walls of such products is reduced.

REFERENCES:
patent: 2331273 (1943-09-01), Lowry
patent: 2382803 (1945-08-01), Miller et al.
patent: 3172879 (1965-03-01), Ferstandig et al.
patent: 3635883 (1972-01-01), Stamid
patent: 3900120 (1975-08-01), Sincock
patent: 3998797 (1976-12-01), Brandli et al.
"The Chemistry of Acrylonitrile", American Cyanamid Co., 2nd Edition, Copyright 1959, pp. 13, 14 and 75.

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