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
1978-09-25
1980-06-24
Brammer, Jack P.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
20415916, 20415915, 430286, 430288, G03C 168
Patent
active
042095816
ABSTRACT:
A photocurable soluble resin suitable for manufacturing photosensitive resin plates obtained by polycondensing an alkylol derivative or an alkylated alkylol derivative of urea or thiourea with an N-alkylolacrylamide or N-alkylolmethacrylamide in the presence of an acid or an ammonium salt thereof or by reacting urea or thiourea with formaldehyde to form a linear polycondensation product and then grafting an N-alkylolacrylamide or N-alkylolmethacrylamide on the linear polycondensation product in the presence of an acid or an ammonium salt thereof. This soluble resin is incorporated with known soluble resins such as soluble nylon, photosensitizers and thermal polymerization inhibitors and mixed thoroughly to obtain a soluble photosensitive resin composition.
REFERENCES:
patent: 3427161 (1969-02-01), Laridon et al.
patent: 3734725 (1973-05-01), Bailey
patent: 3801638 (1974-04-01), Cerwonka
patent: 3809633 (1974-05-01), Magnotta et al.
patent: 3833384 (1974-09-01), Noonam et al.
patent: 3867548 (1975-02-01), Hirschmann
Aoyama Toshimi
Nakane Hisashi
Takanashi Hiroshi
Brammer Jack P.
Tokyo Ohka Kogyo Kabushiki Kaisha
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