Fluoroelastomer composition and heat shrinkable articles compris

Details Fluoroelastomer composition and heat shrinkable articles compris Fluoroelastomer composition and heat shrinkable articles compris

1988-04-29

1990-10-02

McCamish, Marion C.

Stock material or miscellaneous articles

Hollow or container type article

Shrinkable or shrunk

522109, 522156, 525199, 264 22, F16L 1106, C08F 1422, C08F 1426, C08F 1428

Patent

active

049606247

ABSTRACT:
A fluoroelastomer composition is disclosed, which comprises a mixture of 100 parts by weight of a tetrafluoroethyline-propylene copolymer, not smaller than 1 part by weight and smaller than 100 parts by weight of a vinylidene fluoride-fluoroolefin copolymer having a fluoroolefin content of 1 to 20 mol %, and a cross-linking agent, said mixture being cross-linked by irradiation with electron beams. The fluoroelastomer composition has a high mechanical strength and improved low temperature characteristics. When the content of the vinylidene fluoride-fluoroolefin copolymer is not smaller than 10 parts by weight and smaller than 100 parts by weight per 100 parts by weight of the tetrafluoroethylene-propylene copolymer the fluoroelastomer composition is suitable as a material for producing heat shrinkable tubes.

REFERENCES:
patent: 3859259 (1975-01-01), Harrell
patent: 4035565 (1977-07-01), Apotheker
patent: 4094949 (1978-06-01), Yokokawa
patent: 4148982 (1979-04-01), Morozumi
patent: 4214060 (1980-07-01), Apotheker
patent: 4452838 (1984-06-01), Ueno
patent: 4530971 (1985-07-01), Geri
patent: 4555543 (1985-11-01), Effenberger

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