Preparation of advanced epoxy resins from epoxy resins and dihyd

Details Preparation of advanced epoxy resins from epoxy resins and dihyd Preparation of advanced epoxy resins from epoxy resins and dihyd

1988-02-18

1989-02-28

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528104, 25218223, 25218227, 525480, C08G 5902

Patent

active

048086924

ABSTRACT:
Advanced epoxy resins are prepared from glycidyl ethers of bisphenols or biphenols in the presence of cycloalkyl triphenyl phosphonium catalysts.

REFERENCES:
patent: 3477990 (1969-11-01), Dante et al.
patent: 3738862 (1973-06-01), Klarquist et al.
patent: 3948855 (1976-04-01), Perry
patent: 4302574 (1981-11-01), Doorakian et al.
patent: 4320222 (1982-03-01), Lopez
patent: 4354015 (1982-10-01), Doorakian et al.
patent: 4366295 (1982-12-01), Tyler, Jr. et al.
patent: 4725652 (1988-02-01), Bertram et al.

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