Mercaptan-containing polyphenols

Details Mercaptan-containing polyphenols Mercaptan-containing polyphenols

1987-01-16

1988-01-26

Marquis, Melvyn I.

Organic compounds -- part of the class 532-570 series

Organic compounds

Sulfur containing

568 29, 568 39, 568 66, C07C14800, C07C14900

Patent

active

047218142

ABSTRACT:
Compounds of formula I or II ##STR1## in which formulae R.sup.1 and R.sup.2 are each independently of the other hydrogen, alkyl, alkenylmethyl, cyclohexyl, phenyl, benzyl or tolyl, or are a --CH.sub.2 CHR.sup.3 --CH.sub.2 --S--H group, R.sup.3 and R.sup.4 are each independently of the other hydrogen or methyl, X is alkylene, --S--, --SO--, --SO.sub.2 -- or substituted alkylene, R.sup.5 and R.sup.6 are each independently of the other hydrogen or alkyl, R.sup.8 is hydrogen, alkyl, alkenylmethyl or phenyl, and wherein n is an integer from 1 to 10, can be used as hardeners for epoxy resins.
The compositions containing epoxy resins and these hardeners are particularly suitable for use as adhesive formulations. The cured products have good moisture resistance.

REFERENCES:
patent: 3336393 (1967-08-01), Weil et al.
patent: 3940374 (1976-02-01), Oswald et al.
patent: 4055539 (1977-10-01), Rosenberger

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