Siliceous filled vulcanizates

Details Siliceous filled vulcanizates Siliceous filled vulcanizates

1978-03-07

1979-05-01

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 23AR, 260 237M, 260 237H, 260 237B, 260 237R, 260 4231, 260 4232, 260 4233, 260 4234, 260 4235, 260 4239, 260 4241, 260 4257, 260 4237, C08L 9100

Patent

active

041523083

ABSTRACT:
There is provided a process, and the product of that process, for the production of improved silica or calcium silicate filled rubbery vulcanizates which comprises the preparation of a mixture comprising a vulcanizable hydrocarbyl polymer containing hydroxyl groups, silica or calcium silicate and an organic acid or salt thereof, shearing the mixture at an elevated temperature, incorporating vulcanization active compounds and vulcanizing to produce the improved vulcanizates. Such improved vulcanizates may be used generally in the rubber industry.

REFERENCES:
patent: 3679627 (1972-07-01), Harrell et al.
patent: 3856723 (1974-12-01), Vrisakis et al.
patent: 3950304 (1976-04-01), Inomata et al.
patent: 3975326 (1976-08-01), DE Vrieze

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