Free radical photosensitive compositions with improved sensitivi

Details Free radical photosensitive compositions with improved sensitivi Free radical photosensitive compositions with improved sensitivi

1976-01-14

1977-04-19

Louie, Jr., Won H.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 27E, 96 48QP, 96 90R, 96 67, 96 50PL, G03C 524, G03C 152

Patent

active

040186040

ABSTRACT:
This invention relates to free-radical, non-silver,photosensitive films, particularly those suitable for optical development as described in United States Patent 3,510,300. The invention comprises the incorporation of metal di-substituted dithiocarbamates and dithiophosphinates into otherwise known photosensitive compositions to inhibit fog formation and to provide aging stability to such compositions. Preferably, an additional improvement comprises provision of an overcoat for the photosensitive composition of this invention when in the form of thin films on a support such as a polyester of a paper sheet or glass plate. The overcoat acts to improve the shelf life and photosensitometric properties of the photosensitive composition.

REFERENCES:
patent: 3042515 (1962-07-01), Wainer
patent: 3042516 (1962-07-01), Wainer
patent: 3102810 (1963-09-01), Sprague et al.
patent: 3351467 (1967-11-01), Sprague, et al.
patent: 3442649 (1969-05-01), Rasch et al.
patent: 3488290 (1970-01-01), Gerhardt et al.
patent: 3510300 (1970-05-01), Fotland et al.
patent: 3697272 (1972-10-01), Ramins

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