Polymer modified adducts of epoxy resins and active hydrogen con

Details Polymer modified adducts of epoxy resins and active hydrogen con Polymer modified adducts of epoxy resins and active hydrogen con

1990-08-03

1993-08-10

Marquis, Melvyn I.

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

Synthetic resins

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

525526, 525530, 525532, 525533, 525922, 528 93, 528 88, 528 90, 528 99, 528100, 528103, 528112, 528113, 528119, C08F28310

Patent

active

052350088

ABSTRACT:
Polymer modified adducts are prepared by (A) reacting (1) an epoxy resin having an average of more than one vicinal epoxide group with (2) a compound containing an average of two or more hydrogen atoms reactive with an epoxide group; and (B) partially vinylizing reacting the product from step (A); and (C) polymerizing the partially vinylized product from step (B) with (3) a polymerizable ethylenically unsaturated monomer; with the proviso that at least one of the components (1), (2) or (3) contain one or more rodlike mesogenic moieties. These adducts are useful as epoxy resin curing agents.

REFERENCES:
patent: 4595734 (1986-06-01), O'Hearn
patent: 4737538 (1988-04-01), Halper et al.
patent: 4851483 (1989-07-01), Hefner, Jr. et al.
patent: 4962163 (1990-10-01), Hefner, Jr. et al.
patent: 5055532 (1991-10-01), Hoffman et al.
patent: 5066750 (1991-11-01), Hefner, Jr. et al.

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