Method for rubber treatment

Details Method for rubber treatment Method for rubber treatment

1982-05-03

1983-10-18

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...

524531, 525256, 525261, 525285, 525301, C08J 320, C08L 700, C08L 900, C08L 906

Patent

active

044106564

ABSTRACT:
The method of masticating diene rubber in the presence of maleic acid or maleic anhydride together with sulfur or an organic sulfur compound capable of generating a thiyl radical is shown.
Improved tack, green strength or both are realized in the treated diene rubber.

REFERENCES:
patent: 2388905 (1945-11-01), Compagnon et al.
patent: 4080493 (1978-03-01), Yasui et al.
patent: 4082817 (1978-04-01), Imaizumi et al.
patent: 4254013 (1981-03-01), Friedman et al.
Le Bras et al., "The Chemistry of Rubber-The Interaction of Ethylenic Compounds and Rubber", Rubber Chem. & Tech. 20 938.
Le Bras et al., "Modification of Rubber by Reaction with Maleic Anhydride" Rubber Chem. & Tech. 31 664.
Pinazzi et al., "Addition of Unsaturated Monomers to Rubber and Similar Polymers" Rubber Chem. & Tech. 36 282.
Bacon et al., "The Interaction of Maleic Anhydride with Rubber" Rubber Chem. & Tech. 12 200.
Le Bras-"A New Material: Anhydride Rubber, I" Rubber Chem. & Tech. 19 313.
Compagnon et al., "Anhydride Rubber II Production and Vulcanization" Rubber Chem. & Tech. 19 319.

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