Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1990-01-09
1991-05-07
Nielsen, Earl
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
5253273, 528139, 528143, 528356, 528361, 528365, 528366, 528393, 528408, 528409, 526192, 526222, C08F 420, C08G 5968, C08G 804, C08G 6308
Patent
active
050138146
ABSTRACT:
Sulfonium salts of the formulae I to IV ##STR1## in which A is C.sub.1 -C.sub.12 alkyl, C.sub.3 -C.sub.8 cycloalkyl, C.sub.4 -C.sub.10 cycloalkylalkyl, phenyl which is unsubstituted or mono- or polysubstituted by C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, nitro, phenyl, phenoxy, alkoxycarbonyl having 1-4 C atoms in the alkoxy radical or acyl having 1-12 C atoms, Ar, Ar.sup.1 and Ar.sup.2, independently of one another, are each unsubstituted or mono- or polysubstituted phenyl, or naphthyl which is unsubstituted or mono- or polysubstituted each arylene is an unsubstituted or mono- or polysubstituted phenylene or unsubstituted or mono- or polysubstituted naphthylene and Q.sup..crclbar. is SbF.sub.6 --, AsF.sub.6 -- or SbF.sub.5 OH-- are valuable curing agents and curing accelerators in the heat-curing of cationically polymerizable compounds, preferably epoxy resins.
REFERENCES:
patent: 4154872 (1979-05-01), Tsao et al.
patent: 4173476 (1979-11-01), Smith
patent: 4230814 (1980-10-01), Crivello
patent: 4336363 (1982-06-01), Crivello
patent: 4544732 (1985-10-01), Corley
patent: 4554342 (1985-11-01), Corley
patent: 4874833 (1989-10-01), Kershaw
Chem. Abst. 28546b (1969).
J. Am. Chem. Soc., vol. 107, pp. 3224-3232 (1985).
Abstract for EP297,442.
Muller Beat
Roth Martin
Ciba-Geigy Corporation
Nielsen Earl
Villamizar JoAnn
LandOfFree
Araliphatic sulfonium salts and their use does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Araliphatic sulfonium salts and their use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Araliphatic sulfonium salts and their use will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-940488