Additives for the cure with peroxides of fluoroelastomers contai

Details Additives for the cure with peroxides of fluoroelastomers contai Additives for the cure with peroxides of fluoroelastomers contai

1994-08-29

1995-03-21

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253263, 525352, 525364, 525370, 525374, 525375, 525386, C08F 834, C08F 800

Patent

active

053996330

ABSTRACT:
The emission of the highly toxic volatile products, such as methyl bromides or iodides, or ethyl bromides or iodides, during the cure with peroxides of fluoroelastomers containing bromine or iodine atoms is substantially reduced by adding to the cure mix small amounts of substances capable of combining with the radicals which give rise to the aforesaid toxic products, thereby preventing them from forming. This procedure does not sensibly affect the cure trend and results.

REFERENCES:
patent: 2955104 (1960-10-01), Smith et al.
patent: 3344126 (1967-09-01), Witman
patent: 4529759 (1985-07-01), Ojakaar
patent: 4831085 (1989-05-01), Okabe
Encyclopedia of Chemical Technology (1982) 3rd Ed. vol. 20, pp. 390-396.
Encyclopedia of Chemical Technology (1979) 3rd Ed. vol. 8, p. 506
Encyclopedia of Chemical Technology (1980) 3rd Ed. vol. 11, p. 58.

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