Photocurable molding, impregnating and coating compositions

Details Photocurable molding, impregnating and coating compositions Photocurable molding, impregnating and coating compositions

1979-07-06

1981-05-05

Hoke, V. P.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

525 20, C08F 250

Patent

active

042657237

ABSTRACT:
Photocurable molding, impregnating and coating compositions based on unsaturated polyester resins containing UV sensitizers, wherein the sensitizers are acylphosphine oxide compounds of the general formula ##STR1## A preferred sensitizer is 2,4,6-trimethylbenzoyldiphenylphosphine oxide which is employed with or without conventional UV sensitizers, preferably benzil-dimethylketal. The compositions can be cured to give moldings and coatings.

REFERENCES:
patent: 3012054 (1961-12-01), Moss
patent: 3331761 (1967-07-01), Mao
patent: 3450616 (1969-06-01), Eldred
patent: 3456039 (1969-07-01), Beriger et al.
patent: 3619392 (1971-11-01), Metzner et al.
patent: 3627656 (1971-12-01), Miller
patent: 3649495 (1972-03-01), Rust
patent: 3767547 (1973-10-01), Puhk
patent: 3933682 (1976-01-01), Bean
patent: 4017652 (1977-04-01), Gruber
patent: 4116788 (1978-09-01), Schmitt et al.

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