Bisamidrazone compound and vulcanizing agent for fluorine-contai

Details Bisamidrazone compound and vulcanizing agent for fluorine-contai Bisamidrazone compound and vulcanizing agent for fluorine-contai

1995-10-23

1997-02-25

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...

525376, 564226, C08L 2712, C08K 529

Patent

active

056059736

ABSTRACT:
Novel compound, 2,2-bis(4-carboxyphenyl)hexafluoropropane bisamidrazone, obtained by conversion of the carboxy groups of 2,2-bis(4-carboxyphenyl)hexafluoropropane to acid chloride groups, followed by reaction with ammonia; dehydration reaction of the resulting 2,2-bis(4-carboxyphenyl)hexafluoropropane diamide; reaction of the thus obtained 2,2-bis(4-cyanophenyl)hexafluoropropane with alcohol; and reaction of the resulting 2,2-bis(4-carboxyphenyl)hexafluoropropane bisiminoalkyl ether with hydrazine is a useful vulcanizing agent for fluorine-containing elastomer having cyano group.

REFERENCES:
patent: 5101411 (1992-03-01), Terao et al.
Chemical Abstracts, vol. 82, No. 11, 1975, Columbus, Ohio, U.S.; abstract No. 72892h.
Chemical Abstracts, vol. 87, No. 7, 1977, Columbus, Ohio, U.S.; abstract No. 52448t.
J. Am. Chem. Soc., vol. 107, 1985 pp. 6970-6975, A. Streitwieser at al.
Russian Chemical Reviews, vol. 56, No. 3, 1987, pp. 288 - 298.
Chemical Abstracts, vol. 116, No. 18, 1992, Columbus, Ohio, U.S.; abstract No. 183382g.
Chemical Abstracts, vol. 112, No. 19, 1990, Columbus, Ohio, U.S.; abstract No. 178279 s.

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