Method for preparing high molecular weight epoxy resins containi

Details Method for preparing high molecular weight epoxy resins containi Method for preparing high molecular weight epoxy resins containi

1980-11-26

1982-07-20

Nielsen, Earl A.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525507, 525523, 528 88, 528 91, 528 92, 528 93, 528104, 528110, 528406, C08G 5914, C08G 5962

Patent

active

043407137

ABSTRACT:
High molecular weight epoxy resins containing hydrolyzed epoxy groups are prepared by reacting (A) a low molecular weight epoxy resin and (B) a hydroxyl-containing compound in the presence of (C) water (D) a hydrolysis catalyst and (E) a catalyst for effecting the reaction between (A) and (B).

REFERENCES:
patent: 3405093 (1968-10-01), Walker
patent: 3632836 (1972-01-01), Walker
patent: 3787508 (1974-01-01), Walker
patent: 3824212 (1974-07-01), Sinnema et al.
patent: 3891525 (1975-06-01), Irwin et al.
patent: 3991028 (1976-11-01), Irwin et al.
patent: 4122067 (1978-10-01), Anderson
patent: 4145324 (1979-03-01), Chen
patent: 4215210 (1980-07-01), Okayama et al.

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