Novel epoxy resins

Details Novel epoxy resins Novel epoxy resins

1990-04-02

1991-05-28

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 99, 528102, 528104, 528110, C08G 5902

Patent

active

050196391

ABSTRACT:
Advanced epoxy resins are disclosed which can be obtained by reacting liquid or semi-solid aromatic opoxy resins with aliphatic diols, and subsequently reacting the reaction product with mono- or binuclear bisphenols in the presence of a cyclic quaternary ammonium salt.

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patent: 4737553 (1988-04-01), Gannon et al.
patent: 4835225 (1989-05-01), Massingill et al.
patent: 4885354 (1989-12-01), Hofer et al.

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