Fluoroelastomer composition with diazobicycloundecenium

Details Fluoroelastomer composition with diazobicycloundecenium Fluoroelastomer composition with diazobicycloundecenium

1977-04-27

1979-03-27

Henderson, C. A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 50, 526207, 526229, 526233, 526247, 526254, C08F 834, C08F 840, C08F 238, C08J 324

Patent

active

041465326

ABSTRACT:
A fluoroelastomer composition comprising (a) a fluoroelastomer having stabilized end group derived from an isoparaffin selected from the group consisting of isobutane, isopentane and isohexane, (b) at least one member selected from the group consisting of bivalent metal oxides, bivalent metal hydroxides and mixtures of bivalent metal oxide or metal hydroxide with metal salt of weak acid, (c) an aromatic polyhydroxy compound and (d) a quaternary ammonium compound of 8-alkyl- (or 8-aralkyl-)1,8-diazabicyclo[5.4.0]-7-undecenium, provides a fluoro-rubber having low compression set and excellent elastic properties and has excellent processing and storage properties. The fluoroelastomer can be cured with appropriate induction time and fast cure rate by the use of a specific curing agent system mentioned above.

REFERENCES:
patent: 3707529 (1972-12-01), Gladding
patent: 3845024 (1974-10-01), Weaver
patent: 3857807 (1974-12-01), Kometani
patent: 3951913 (1976-04-01), Kometani

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