Rubber compositions

Details Rubber compositions Rubber compositions

1978-08-28

1980-05-06

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 37SB, 260 37N, 260 37R, 260 4226, 525102, 525104, 525105, 525106, 525403, 525474, 525453, 525477, C08L 700, C08L 900, C08L 1900, C08L 8306

Patent

active

042016983

ABSTRACT:
Rubber compositions curable to rubbery elastomers by heating are provided, in which co-vulcanization of an organic rubber, e.g. natural rubber or an organic synthetic rubber and an organopolysiloxane rubber can be effected to a satisfactory degree, whereas such co-vulcanization in the prior art involves several difficult problems. The characterizing components in the rubber composition are the organopolysiloxane which has at least two functional units of either mercapto groups or aliphatically unsaturated linkages in the molecule and a specific organosilicon compound which has a polysulfide linkage and one or more silicon-bonded hydroxy groups or hydrolyzable atoms or groups in the molecule.

REFERENCES:
patent: 3021292 (1962-02-01), Hurd et al.
patent: 3227777 (1966-01-01), Safford
patent: 4044037 (1977-08-01), Mui et al.
patent: 4070414 (1978-01-01), Falender et al.
patent: 4104322 (1978-08-01), Snavely
patent: 4113696 (1978-09-01), Williams et al.

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