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US 4,382,130 AGranted
Moisture curable compositions and aryloxyphosphonium salts
AssigneeGeneral Electric Company
InventorsRobert H. Ellison, Martin A. Byrne
Life of this patent
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Abstract
Certain aryloxyphosphonium salts have been found to be effective as curing agents for various cationically polymerizable organic materials, such as epoxy resins, when incorporated into such materials. The materials are found to be moisture curable coating compositions.
Claims7
Moisture curable compositions which comprises,
- (A) a cationically polymerizable organic material and
- (B) an effective amount of an aryloxyphosphonium salt of the formula,
- [(RO).sub.n (R.sup.1).sub.4-n P].sup.+ [MQ.sub.d ].sup.-
- where R and R.sup.1 are monovalent aryl radicals selected from C.sub.(6-13) hydrocarbon radicals and radicals of the formula, ##STR7## where X is selected from C.sub.(1-8) alkoxy, nitrile, acyloxy, halogen and nitro, Y is selected from hydrogen, C.sub.(1-8) alkyl and X radicals, and C.sub.(6-13) halogenated monovalent hydrocarbon radicals, M is selected from B, As, Sb and P, Q is a halogen radical, a is a whole number equal to 0 to 4 inclusive, d is an integer equal to 4-6 inclusive and n is an integer equal to 1 to 4 inclusive.
1 more element
Dependencies are inferred from the claim text.