Aromatic polyether-polythioether-polysulfone thermoplastics

Details Aromatic polyether-polythioether-polysulfone thermoplastics Aromatic polyether-polythioether-polysulfone thermoplastics

1971-05-27

1976-02-17

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 308R, 260 308DS, 260 338R, C08G 6540

Patent

active

039391191

ABSTRACT:
Thermoplastic copolymers are formed by the interaction of a 4-mercaptophenol and a dihalo-substituted aromatic sulfone of the structure
X--phenylene-SO.sub.2 2-phenylene) .sub.y X, wherein y is 1 or 2. The latter are typified by 4,4'-dichlorodiphenyl sulfone and 4,4'-bis(4-chlorophenylsulfonyl)biphenyl. The mercoptophenol may have one or two lower alkyl groups ortho to the hydroxyl.
The polymers are characterized by high glass transition temperatures and high impact strength.

REFERENCES:
patent: 2822351 (1958-02-01), Kreuchunas
patent: 3332909 (1967-07-01), Farnham et al.
patent: 3432468 (1969-03-01), Gabler
patent: 3594446 (1971-07-01), Gabler et al.

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