Ar-cyclic sulfonium arenethiol salts and their zwitterions

Details Ar-cyclic sulfonium arenethiol salts and their zwitterions Ar-cyclic sulfonium arenethiol salts and their zwitterions

1976-04-05

1978-12-19

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528171, 528174, 528218, 528220, 528374, 528377, 528380, 32 15, 20415911, 260327TH, 260327M, 260327P, 260327S, 260327B, 260327C, 260329S, 260329HS, 2603305, 2603323R, C08G 6544

Patent

active

041305434

ABSTRACT:
Ar-cyclic sulfonium arenethiol salts exemplified by the formula: ##STR1## may be converted to their corresponding zwitterion, exemplified by the formula: ##STR2## The latter polymerize very readily upon exposure to mild conditions of heat or radiative energy. The resultant polymers are water-insoluble resins useful as adhesives, coatings, films and the like. The zwitterions containing more than one arenesulfide and cyclic sulfonium group per molecule, crosslink upon exposure to heat to form thermoset resins.

REFERENCES:
patent: 3660431 (1972-05-01), Hatch et al.
patent: 3767622 (1973-10-01), Hatch et al.
patent: 3915991 (1975-10-01), Schmidt et al.

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