C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4603
C08L 77/00 (2006.01) C08L 23/00 (2006.01)
Patent
CA 1335134
The present invention is a polyamide composition which is resistant to fluorocarbon and hydrocarbon permeation and at the same time has controllable flexibility. The composition of the present invention comprises from about 50 to 90 percent by weight of a polyamide, from about 5 to 40 percent by weight of a rubber phase that may be melt-processed at from about 425 to 625°F (218 to 329°C) without significant degradation, and from about 5 to 40 percent of a polar polyethylene. The composition can also have from about 0 to 15% by weight of a plasticizer and from about 0 to 10% by weight of a polyamide chain extender.
581961
Mason Charles Driscoll
Smith Wesley Forrest
Allied-Signal Inc.
Gowling Lafleur Henderson Llp
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