Aromatic curing catalyst for epoxy resins

Details Aromatic curing catalyst for epoxy resins Aromatic curing catalyst for epoxy resins

1995-09-11

1998-09-22

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, 528 88, 528 92, 528271, 528408, 528416, 528418, 528421, 558266, C08G 5906, C08G 5924, C08G 5968

Patent

active

058114971

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: 4666951 (1987-05-01), Onishi et al.
patent: 4683283 (1987-07-01), Goel
patent: 5378736 (1995-01-01), Fujiwa et al.
patent: 5434225 (1995-07-01), Mathes et al.
WPAT accession No. 90-372458/50 for Japanese Patent No. 02-269731, Toshiba KK., Nov. 1990.
Chemical abstracts No. 1980:587887 for Japanese Patent No. 55-73765, Tokyo Tokushu Densen KK., Jun. 1980.
Chemical abstracts No. 1988:22847 for US Patent No. 4,683,283 (Goel), Jul. 1987.

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