Substituted phenol-formaldehyde novolac resins containing reduce

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

1987-02-18

1988-07-05

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...

525507, 523466, 523468, C08L 6108, C08L 6302, C08K 304

Patent

active

047555688

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: 4611036 (1986-09-01), Sekyuchi et al.
patent: 4649188 (1987-03-01), Bertram et al.
Lee et al; Handbook of Epoxy Resins; McGraw-Hill Book Co.; 1967, pp. 2-10, 11-14, 11-15.
Quatrex; Dow Chemical Co.; Form No. 296-598-85.

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