Ring-alkylated m-phenylene diamine blends for use in curing epox

Details Ring-alkylated m-phenylene diamine blends for use in curing epox Ring-alkylated m-phenylene diamine blends for use in curing epox

1989-02-23

1991-09-17

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528124, 528407, 525504, 25218213, C08G 5950

Patent

active

050496395

ABSTRACT:
Blends of diaminoisopropylbenzene (DAIPB) and diaminoethylbenzene (DAEB) are provided for curing epoxy resins. The cured epoxy resins have increased tensile strength and slightly lower glass transistion temperatures as compared with resins cured with either diamine alone.

REFERENCES:
patent: 2853467 (1958-09-01), Bloom et al.
patent: 2891927 (1956-03-01), Phillipson
patent: 3546169 (1970-12-01), Cole
patent: 3637514 (1972-01-01), Spatz et al.
patent: 3647702 (1972-05-01), Cole
patent: 3732239 (1973-05-01), Spatz et al.
patent: 4775736 (1958-10-01), Wiggins
"Properties of Epoxy Resins Cured With Ring-Alkylacted M-Phenylenediamines", ACS Symp. Ser. 367, Ch. 14, pp. 182-198, R. F. Storey et al. (1988).

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