Compositions comprising an epoxy resin and mercaptan-containing

Details Compositions comprising an epoxy resin and mercaptan-containing Compositions comprising an epoxy resin and mercaptan-containing

1987-10-19

1989-01-31

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525523, 528 99, C08L 6302, C08L 6114

Patent

active

048016608

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: 3506716 (1970-04-01), Peterli et al.
patent: 3546163 (1970-12-01), Peterli et al.
patent: 3729443 (1973-04-01), Peterli et al.
patent: 3940374 (1976-02-01), Oswald et al.
patent: 4055539 (1977-10-01), Rosenberger

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