Sulfones as solvents in catalysts of U.V. curable systems

Details Sulfones as solvents in catalysts of U.V. curable systems Sulfones as solvents in catalysts of U.V. curable systems

1974-09-30

1976-06-01

Tillman, Murray

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

96 75, 96 91R, 96115P, 20415914, 20415915, 252426, 252429R, 260 2A, 260 2EP, 260 2XA, 260 2BP, 260 302, 260 308R, 260 47EP, 260830TW, 260837R, 427 44, B01J 110, C08G 5146

Patent

active

039606848

ABSTRACT:
Stable diazonium catalyst solutions are provided in which the catalyst is dissolved in an organic sulfone. The catalyst solutions have greatly extended shelf-life while at the same time retain the ability to rapidly cure epoxy resins upon exposure to an energy source.
Polymerizable compositions of the two-package type, comprising polymerizable epoxy materials and such catalyst solutions are also provided.

REFERENCES:
patent: 3544317 (1970-12-01), Yonezawa
patent: 3615485 (1971-10-01), Islam et al.
patent: 3708296 (1973-01-01), Schlesinger
patent: 3829359 (1974-08-01), Feinberg
the Condensed Chemical Dictionary, 8th ed., 1971, pub. by V. N. Reinhold Co., N.Y., N.Y., p. 835.

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