Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1988-01-11
1989-03-07
Michl, Paul R.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430915, 430920, 430922, 430919, 430926, 522 26, 522 27, 522 28, 522 63, 522 65, 522 67, G03C 168
Patent
active
048106186
ABSTRACT:
A photopolymerizable composition comprises at least one polymerizable compound having at least one ethylenically unsaturated bond therein and at least one photopolymerization initiator and optionally at least one linear organic high molecular weight polymer and characterized in that the photopolymerization initiator comprises a specific combination of two kinds of compounds, for instance, 2,4,6-tris(trichloromethyl)-s-triazine and compound (12) represented by the following formula: ##STR1## The photopolymerizable composition exhibits a high sensitivity to extremely wide range of actinic rays extending from ultraviolet light to visible light and is useful for manufacturing PS plates and photoresist layer for use in making print circuit-boards or the like.
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"Ketocoumarins as Photosensitizers and Photoinitiators", Williams et al., Polymer Engineering and Science, Dec. 1983, vol. 23, No. 18.
"Ketocoumarins", Specht et al., Tetrahedron, vol. 38, No. 9, pp. 1203 to 1211, 1982.
Kawamura Koichi
Koike Mitsuru
Fuji Photo Film Co. , Ltd.
McBee Susan
Michl Paul R.
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