Method of reclaiming scrap vulcanized rubber and the soluble rec

Details Method of reclaiming scrap vulcanized rubber and the soluble rec Method of reclaiming scrap vulcanized rubber and the soluble rec

1973-05-30

1977-10-04

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 336A, 260710, C08J 1104

Patent

active

040523446

ABSTRACT:
A first charge of 10 to 100 parts by weight of scrap vulcanized rubber is added to 100 parts by weight of a hydrocarbon solvent, and the resultant mixture is heated at 400.degree. to 700.degree. F. until the rubber is solubilized. At least one additional charge of scrap rubber is made to increase the percentage of rubber in the mixture to at least 60% by weight and the heating is continued until all the rubber is solubilized. The product is incorporated into new rubber articles.

REFERENCES:
patent: 3563922 (1971-02-01), Massoubre
patent: 3674433 (1972-07-01), Wyatt
patent: 3700615 (1972-10-01), Scott
Ball, J. M., Reclaimed Rubber, Rubber-Reclaiments Assoc. Inc., New York, (1947), pp. 120-122.
Kartzev et al., Chemical Abstracts, vol. 30, (1936), p. 7384, (6-8) The Reclaiming of Synthetic Rubber by the Sol'n Method.

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