Substituted phenol-formaldehyde novolac resins containing reduce

Details Substituted phenol-formaldehyde novolac resins containing reduce Substituted phenol-formaldehyde novolac resins containing reduce

1991-12-18

1992-09-29

Bleutge, John C.

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

Synthetic resins

Treating polymer containing material or treating a solid...

525481, 525507, 528129, 528142, 528144, 528165, 528499, C08G 5908

Patent

active

051514966

ABSTRACT:
The 2-functional component of substituted phenol-aldehyde novolac resins is reduced. Epoxy novolac resins prepared from the novolac resin containing reduced quantities of 2-functional product exhibit increased Tg values when cured.

REFERENCES:
patent: 3928288 (1975-12-01), Walker
patent: 4259464 (1981-03-01), Buriks et al.
patent: 4649188 (1987-03-01), Bertram et al.
patent: 4755543 (1988-07-01), Bertram et al.
patent: 4755568 (1988-07-01), Bertram et al.

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