C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
18/1170, 402/534
C08L 27/16 (2006.01) C08K 5/00 (2006.01) C08K 5/18 (2006.01) C08K 13/02 (2006.01)
Patent
CA 1234442
TITLE CURABLE FLUOROPOLYMER CONTAINING AROMATIC AMINE ABSTRACT OF THE DISCLOSURE A curable fluoropolymer composition containing a polyhydoxy aromatic compound press-cure crosslinking agent, and a postcure crosslinking agent selected from aromatic diamines, and bisamines having the formula Image where A is a divalent radical and x is zero or 1, and the process of curing such a composition by partially curing in a confining zone, and then postcuring. The compositions may be used in the manufacture of various kinds of seals, especially shaft seals, and for heat- and solvent-resistant and resilient O-rings, gaskets and tubing.
455606
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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