Process for producing fluorine-containing elastomer

Details Process for producing fluorine-containing elastomer Process for producing fluorine-containing elastomer

1999-02-11

2000-11-21

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526247, 526249, 526253, 526254, 526255, C08F21418, C08F21420, C08F21426, C08F21412

Patent

active

061504858

ABSTRACT:
Fluorine-containing elastomers produced through copolymerization reaction of vinylidene fluoride, tetrafluoroethylene, perfluoro(lower alkyl vinyl ether) and chlorotrifluoroethylene in the presence of a bromine-containing monomer compound and an iodine- and bromine-containing compound, where hexafluoropropene can be further copolymerized, have not only a distinguished resistance to amine-based additives and also distinguished low-temperature characteristic and engine oil resistance, and also a lower cost attained by reduced copolymer proportion of perfluoro(lower alkyl vinyl ether).

REFERENCES:
patent: 4594469 (1986-06-01), Loveless
patent: 4745165 (1988-05-01), Arcella
patent: 4748223 (1988-05-01), Haruyoshi
patent: 4943622 (1990-07-01), Naraki et al.
patent: 5151492 (1992-09-01), Abe
patent: 5173553 (1992-12-01), Albano
patent: 5214106 (1993-05-01), Carlson
patent: 5225504 (1993-07-01), Tatsu et al.

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