Photopolymerizable compositions containing triketone/alcohol add

Details Photopolymerizable compositions containing triketone/alcohol add Photopolymerizable compositions containing triketone/alcohol add

1974-12-02

1976-08-10

Turer, Richard B.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

96115P, 20415918, 20415923, 20415924, 260 47UA, 260 775CR, 260859R, 260861, 260864, 260865, 260872, 526260, 526312, 526321, 526328, 526330, 526341, 526346, C08F 800, C08F 246

Patent

active

039740528

ABSTRACT:
A photopolymerizable composition comprising a polymerizable ethylenically unsaturated material and a photosensitizer, said photosensitizer being an addition product of an organic 1,2,3-triketone and an organic alcohol or organic mercaptan, said addition product having the formula ##EQU1## or ##EQU2## where the groups R and R.sub.1 may be same or different and each is a hydrocarbyl group or a substituted hydrocarbyl group or the groups R when taken together form part or the whole of a cyclic structure.

REFERENCES:
patent: 3657088 (1972-04-01), Heine et al.
patent: 3689565 (1972-09-01), Hoffmann et al.
patent: 3715293 (1973-02-01), Sandner et al.

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