Low viscosity epoxy and phenoxy resins

Details Low viscosity epoxy and phenoxy resins Low viscosity epoxy and phenoxy resins

1985-05-03

1986-03-11

Nielsen, Earl

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

Synthetic resins

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

525523, 525528, 528 45, 528 73, 528 87, C08G 5914

Patent

active

045755434

ABSTRACT:
The viscosity of epoxy resins and phenoxy resins having an average weight average molecular weight of from about 1,700 to about 100,000 and containing an average of at least about 4.5 aliphatic hydroxyl groups per molecule is reduced by reacting said epoxy or phenoxy resin with a trihalomethyl acyl aromatic compound such as trichloroacetophenone in the presence of a tertiary amine such as triethylamine. These modified resins have particular utility in the preparation of coatings, adhesives, laminates, flooring and the like.

REFERENCES:
patent: 3404126 (1968-10-01), Welch et al.
patent: 3438911 (1969-04-01), Dobinson
patent: 3488321 (1970-01-01), Dobinson et al.
patent: 3507819 (1970-04-01), Vegter et al.
patent: 3530096 (1970-09-01), Dobinson et al.
patent: 3553162 (1971-01-01), Smith
patent: 3804795 (1974-04-01), Perry et al.

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