Hydroxyaromatic oligomers of a mixed cyanate and aromatic polyam

Details Hydroxyaromatic oligomers of a mixed cyanate and aromatic polyam Hydroxyaromatic oligomers of a mixed cyanate and aromatic polyam

1985-02-15

1985-11-26

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...

525533, 525534, 528 96, 528 97, 528 98, 528 99, 528120, 528121, 528128, 528150, 528211, C08G 5932, C08G 5926, C08G 5904

Patent

active

045555532

ABSTRACT:
Novel hydroxyaromatic oligomers are prepared by the co-oligomerization reaction of a mixed cyanate of a polyphenol with an aromatic polyamine. These oligomers are useful in preparing epoxy resins therefrom.

REFERENCES:
patent: 2893978 (1959-07-01), Cooke
patent: 3978028 (1976-08-01), Sundermann et al.
patent: 4042567 (1977-08-01), Sundermann
patent: 4049630 (1977-09-01), Sundermann et al.
patent: 4195132 (1980-03-01), Sundermann et al.
patent: 4487915 (1984-12-01), Hefner, Jr.
patent: 4489202 (1984-12-01), Hefner, Jr.

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