Substituted phenol-formaldehyde novolac resins containing reduce

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

1991-02-21

1992-04-21

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528165, 528493, 528494, 528495, 528496, 528499, 528500, C08G 5908, C08G 804

Patent

active

051069237

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: 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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