Modified epoxy resin compositions

Details Modified epoxy resin compositions Modified epoxy resin compositions

1990-05-11

1991-06-04

Nielsen, Earl

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523420, 525504, 525510, 528 45, 528109, 528118, 528361, 528367, 528407, C08G 5950

Patent

active

050214713

ABSTRACT:
Epoxy resins are modified by reaction with a pyridine compound and a Bronsted acid. These modified epoxy resins when cured result in products having improved properties.

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patent: 3577426 (1971-05-01), McGill et al.
patent: 3793247 (1974-02-01), Fleming et al.
patent: 3839252 (1974-10-01), Bosso et al.
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patent: 4007154 (1977-02-01), Schimmel et al.
patent: 4066592 (1978-01-01), Wismer et al.
patent: 4069210 (1978-01-01), Schimmel
patent: 4164487 (1979-08-01), Martin
patent: 4191674 (1980-03-01), Wismer et al.
patent: 4383073 (1983-05-01), Wessling et al.
patent: 4468307 (1984-08-01), Wismer et al.
patent: 4636541 (1987-01-01), Stevens et al.
patent: 4698141 (1987-10-01), Anderson et al.
"Chemical Reactions of Poly(vinyl pyridine)s with Epoxy Compounds", by G. Xue, H. Ishida & J. L. Koenig, Die Angewandtge Makromolekulare Chemie, vol. 142, pp. 17-27, 1986.

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