2,7-dihydroxynaphthalene based epoxy resin, intermediate thereof

Details 2,7-dihydroxynaphthalene based epoxy resin, intermediate thereof 2,7-dihydroxynaphthalene based epoxy resin, intermediate thereof

1992-02-26

1994-04-12

Krass, Frederick

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

Synthetic resins

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

525485, 525486, 525487, 528 89, 528 91, 528 94, 528 97, 549560, C08G 5908

Patent

active

053026721

ABSTRACT:
A 1,1-bis(2,7-diglycidyloxy-1-naphthyl)alkane as an epoxy resin; a 1,1-bis(2,7-dihydroxy-1-naphthyl)alkane as an intermediate for said epoxy resin; a process for producing said intermediate comprising reacting 2,7-dihydroxy-1-naphthalene and an aldehyde; a process for producing said epoxy resin comprising reacting said intermediate and an epihalohydrin; and an epoxy resin composition comprising said epoxy resin and a curing agent. The epoxy resin has a low melt viscosity while exhibiting excellent heat resistance.

REFERENCES:
patent: 3391117 (1968-07-01), Bilow et al.
patent: 4551508 (1985-11-01), Urasaki
Lee and Neville, "Handbook of Epoxy Resins" pp. 2-15 McGraw-Hill Inc. 1967.

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