Photohardenable light-sensitive composition

Details Photohardenable light-sensitive composition Photohardenable light-sensitive composition

1990-08-02

1992-12-15

Hamilton, Cynthia

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430283, 430270, 522149, 522152, 525282, 523223, G03F 7038

Patent

active

051716550

ABSTRACT:
A photohardenable composition comprises a microgel carrying a group of the formula (I) or (II); or a microgel carrying a group of the formula (III) and at least one acidic group, such as --SO.sub.3 H, --CONHSO.sub.2, --OCO--NH'SO.sub.2 --, --CONHCO--, --SO.sub.2 NH--, a phenolic hydroxyl group and/or --COCH.sub.2 COO--: ##STR1## (wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, a halogen atom, or an alkyl or aryl group, provided that R.sup.1 and R.sup.2 may form a ring together with the carbon atoms to which they are bonded; R.sup.3 represents a hydrogen atom or a methyl group; R.sup.4, R.sup.5 and R.sup.6 each represents a hydrogen atom, a halogen atom, or a substituted or unsubstituted C.sub.1 to C.sub.20 alkyl, aryl, alkoxy or aryloxy group; X.sup.1 represents --CO--O--, --CO--NH-- or --O--; andY.sup.1 represents, for instance, a single bond or a methylene group). The light-sensitive composition is excellent in sensitivity during exposure to light and can provide well-acceptable images even when it is exposed to light for only a short period of time. Moreover, its workability is substantially improved and the composition exhibits sufficient sensitivity even to a scanning exposure with laser rays.

REFERENCES:
patent: 3920618 (1975-11-01), Ichimura et al.
patent: 4079041 (1978-03-01), Baumann et al.
patent: 4251618 (1981-02-01), McCartin et al.
patent: 4956252 (1990-09-01), Fryd et al.
patent: 4957850 (1990-09-01), Kusuda et al.

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