Method for rubber treatment and the rubber thus treated

Details Method for rubber treatment and the rubber thus treated Method for rubber treatment and the rubber thus treated

1982-09-23

1984-02-28

Lieberman, Allan

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...

524445, 524451, 524533, 525301, C08L 700, C08L 900, C08L 1300

Patent

active

044342667

ABSTRACT:
Diene rubber is treated with a maleic acid half ester, optionally in the presence of sulfur or an organic sulfur compound capable of generating a thiyl radical at an appropriate temperature (above 130.degree. C.) for a time sufficient to increase the green strength or tack of the diene rubber, but insufficient to decrease its tack. The treated diene rubber exhibits improved fabricability in the production of rubber products.

REFERENCES:
patent: 2388905 (1945-11-01), Compagnon et al.
patent: 4254013 (1981-03-01), Friedman et al.
Chemical Abstracts Reference: 85:95546z, High-Viscosity Rubber Latexes, Hirai, Koji; Okamura, Takayuki; Fujii, Kiyoshi (Kuraray Co., Ltd.) Japan.

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