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

1978-10-16

1980-09-09

Wong, Jr., Harry

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

Synthetic resins

Treating polymer containing material or treating a solid...

260 457R, 525 1, 528481, C08F 600, C08K 501

Patent

active

042219051

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), Carmel
patent: 3900120 (1975-08-01), Sincock
patent: 3998797 (1976-12-01), Brandli et al.
The Chemistry of Acrylonitrile, American Cyanamid Co., 2nd ed, copyright 1959, pp. 13, 14 and 15.

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