Thermally polymerizable mixtures and processes for the thermally

Details Thermally polymerizable mixtures and processes for the thermally Thermally polymerizable mixtures and processes for the thermally

1982-05-21

1983-07-12

Phynes, Lucille M.

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

Synthetic resins

From silicon reactant having at least one...

528 88, 528 89, 528 92, 528 94, 528119, 525507, C08G 7704

Patent

active

043931855

ABSTRACT:
Cationically polymerizable compounds, in particular epoxy compounds, can be polymerized by heating in the presence of a catalyst and a co-catalyst. The catalyst employed is a quaternary ammonium salt of an aromatic-heterocyclic compound which contains 1 or 2 N-atoms, and a complex halide anion, e.g. PF.sub.6.sup..crclbar.. The co-catalyst employed is a diaryl ethane derivative, preferably benzpinacol, a silyl oligomer thereof, an organic per compound or a quinone.

REFERENCES:
patent: 3236784 (1966-02-01), Fischer et al.
patent: 4145507 (1979-03-01), Wolfers et al.
patent: 4173551 (1979-11-01), Crivello
patent: 4297458 (1981-10-01), Stark
patent: 4311827 (1982-01-01), Noren
Abdul-Rasoul et al.-Polymer, vol. 19, Oct., 1978.

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