Process for preparing an aqueous adhesive composition

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524111, 524158, 524161, 524270, 524271, 524517, 524572, 524475, C08L 2300

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044631200

ABSTRACT:
A process for preparing an aqueous adhesive composition which comprises preparing a solvent dispersion by mixing rubber, carbon black, vulcanizing agent, tackifying resin and accelerator with sufficient organic solvent to form a solvent dispersion and thereafter emulsifying the solvent dispersion in the presence of water to form an aqueous emulsion. The aqueous emulsion may be used to bond unvulcanized rubber compounds, such as a tread stock to the carcass portion during the formation of a tire.

REFERENCES:
patent: 3378512 (1968-04-01), Hamed
patent: 4252918 (1981-02-01), Ikeda

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