(Hetero)aromatic ether, (thio)ester or (thio)carbonate epoxy cat

Details (Hetero)aromatic ether, (thio)ester or (thio)carbonate epoxy cat (Hetero)aromatic ether, (thio)ester or (thio)carbonate epoxy cat

1998-03-02

2000-08-01

Sellers, Robert E.

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

Synthetic resins

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

525480, 525508, 525531, 525533, 528 88, 528 92, 528271, 528408, 528416, 528418, 558266, 560 32, C08G 5906, C08G 5924, C08G 5968

Patent

active

060968362

ABSTRACT:
Disclosed herein is a curing catalyst comprising at least one compound which is a substituted or unsubstituted aromatic or heteroaromatic compound and having any one of groups (I) --O--R.sub.1, (II) --O--CY--R.sub.1, or (III) --O--CY--X--R.sub.1, the groups being directly bonded to the armoatic or heteroaromatic ring, in a number of 1 to 10 wherein R.sub.1 may be the same or different and is a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, X is O or NH and Y is O or S. Furthermore, an epoxy resin composition comprising the curing catalyst is disclosed.

REFERENCES:
patent: 3812214 (1974-05-01), Markovitz
patent: 4683283 (1987-07-01), Goel
patent: 4904760 (1990-02-01), Gaku et al.
Lee and Neville, Handbook of Epoxy Resins, McGraw-Hill, Inc., pp. 1-2, 1967.
Khozin et al., "Antiplasticization of epoxy polymers," Vysolomol. Soedin., Ser. A, vol. 21, No. 8, pp. 1757-1765, 1979.
Morrison and Boyd, Organic Chemistry, Third Edition, Allyn and Bacon, Inc., Boston, MA, pp. 283 and 318, 1973.

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