Rubber containing acid-treated oils and its preparation

Details Rubber containing acid-treated oils and its preparation Rubber containing acid-treated oils and its preparation

1967-05-29

1976-10-12

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

208 14, 208280, C08K 501, C10G 1702

Patent

active

039857018

ABSTRACT:
A novel oil-containing rubber composition is prepared by admixing a rubber from the group consisting of natural rubber, homopolymers of conjugated diolefins, and copolymers of conjugated diolefins with ethylenically unsaturated monomers, with mineral oil having at least 10 weight percent aromatic compounds which has been obtained by
A. mixing a mineral oil starting material with an acidic reagent comprising anhydrous hydrogen fluoride in amount from 10 to 40 percent by weight of said starting material; thereby to form an acid phase insoluble in said mineral oil and containing components extracted from said starting material, and an oil phase comprising unextracted components of said starting material and containing dissolved acidic material,
B. separating said acid phase from said oil phase,
C. mixing said oil phase with an alkaline reagent to neutralize said dissolved acidic material and form neutralization products, and
D. separating said neutralization products from said oil phase.

REFERENCES:
patent: 2449463 (1948-09-01), Evering et al.
patent: 2778807 (1957-01-01), Boggs et al.

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