Thermoplastic fluorine-containing resin composition useful for c

Details Thermoplastic fluorine-containing resin composition useful for c Thermoplastic fluorine-containing resin composition useful for c

1997-05-23

2000-02-15

Buttner, David

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525199, 264175, C08L 2712, C08L 2716, C08L 5104, B29C 4324

Patent

active

06025436&

ABSTRACT:
The invention provides a thermoplastic fluorine-containing resin composition intended to be passed between at least two rollers of a calender to be thinned into a sheet or film. This composition includes: 100 parts by weight of a mixture containing 10-90 wt % of a fluorine-containing elastomeric polymer having a glass transition temperature below room temperature and 90-10 wt % of a fluorine-containing crystalline resin having a melting point not higher than 300.degree. C.; and 0.05-2.0 parts by weight of an agent for releasing the composition from the at least two rollers. The composition has a good melt characteristic and a good elasticity for calendering of the composition, and a good releasibility from a calender roller in calendering of the composition.

REFERENCES:
patent: 3484503 (1969-12-01), Magner et al.
patent: 3769371 (1973-10-01), Nersasian
patent: 4094949 (1978-06-01), Yokokawa
patent: 4370389 (1983-01-01), Ogura
patent: 4530970 (1985-07-01), Morozumi
patent: 4589804 (1986-05-01), Paeglis
patent: 4748204 (1988-05-01), Kawashima
patent: 5006594 (1991-04-01), Rees
Japanese Patent Abstract of J53003495.
Elden "Calendering of Plastics" 1971 pp. 19-20.

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