Process for polymerizing 4,4'-thiobis(6-tert-butyl-m-cresol)

Details Process for polymerizing 4,4'-thiobis(6-tert-butyl-m-cresol) Process for polymerizing 4,4'-thiobis(6-tert-butyl-m-cresol)

1976-12-16

1978-06-27

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14800

Patent

active

040975347

ABSTRACT:
A polymer of 4,4'-thiobis(6-tert-butyl-m-cresol) is prepared by contacting 4,4'-thiobis(6-tert-butyl-m-cresol) with oxygen in the presence of a copper salt/amine complex catalyst. The polymer is useful as an antioxidant for polyolefins.

REFERENCES:
patent: 3133899 (1964-05-01), Kwiatek et al.
patent: 3306874 (1967-02-01), Hay
patent: 3306875 (1967-02-01), Hay
patent: 3707565 (1972-12-01), Hofer
patent: 3749693 (1973-07-01), Cooper
patent: 3986981 (1976-10-01), Lyons

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