Method of providing curable fluoroelastomer gums having coupling

Details Method of providing curable fluoroelastomer gums having coupling Method of providing curable fluoroelastomer gums having coupling

1978-03-06

1981-02-17

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4227, 260 4232, 260 4247, 260 4249, 260 4256, 428407, 525199, 525200, C08K 904, C08K 910

Patent

active

042514320

ABSTRACT:
Elastomer compositions comprising an elastomer gum curable to the solid, elastomeric state in the presence of an organic peroxide free radical initiator, a solid particulate filler, a hydrocarbon resin having a plurality of pendant vinyl groups per molecule, and an organic peroxide curative are described. Vulcanizates of such compositions are also described. Preferred are elastomer compositions comprising a fluoroelastomer gum curable to the solid, elastomeric state in the presence of an organic peroxide cure initiator and a carbonaceous filler coated with a 1,2-polybutadiene resin. Solid particulate fillers coated with a hydrocarbon resin having a plurality of pendant vinyl groups per molecule, such as 1,2-polybutadiene, are also described.

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patent: 3930107 (1975-12-01), Yaeda et al.
patent: 3971753 (1976-07-01), Frechtling et al.

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