KR880008084A - Photosensitive compositions based on diazonium salt polycondensation products and photosensitive recording materials prepared from the compositions - Google Patents

Abstract

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Description

Photosensitive compositions based on diazonium salt polycondensation products and photosensitive recording materials prepared from the compositions

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Claims (11)

With polymers soluble or at least swellable in diazonium salt polycondensation products and alkaline aqueous solutions, containing intramolecular anhydrides and hydroxyl groups of organic polycarboxylic acids and having no further functional groups capable of reacting with acid anhydrides. Photosensitive containing a carboxyl side chain group-containing non-photosensitive polymerizable binder containing a reaction product, wherein the binder further contains a side chain urethane group-containing substituent formed by reacting an organic isocyanate with a hydroxyl group of the polymer. Composition. The photosensitive composition of claim 1, wherein the organic polycarboxylic acid contains dicarboxylic acid or tricarboxylic acid. The photosensitive composition according to claim 2, wherein the acid anhydride contains a compound corresponding to one of the general formulas (I), (II) and (III). Wherein R ¹ and R ² are each a hydrogen atom, a halogen atom or an alkyl group or an aromatic or heteroaromatic which can be interconnected and fused with up to two aromatics or substituents and is unsubstituted or substituted and optionally partially hydrogenated An unsubstituted 5- or 6-membered ring, wherein R ³ , R ⁴ and R ⁵ are each hydrogen or an alkyl group, or R ³ and R ⁵ are interconnected to be a 5- or 6-membered ring including X; Or form a substituted saturated or unsaturated aliphatic ring, R ⁶ and R ⁷ are hydrogen atoms or alkyl groups, X is a single bond, unsubstituted or substituted 1,1-alkylene group or 1,1-cyclo alkylene Group is an oxygen atom or a sulfur atom, Y is an oxygen atom or sulfur atom, a 1,1-or 1,2-alkylene group or a 1,2-alkenylene group, which may be optionally fused with an aromatic or substituted ring, Z Is saturated or unsaturated And a ring component which is required to complete an unsubstituted or substituted ring, this ring is fused aromatic rings or substituted group of more or less arbitrarily. The photosensitive composition of claim 1, wherein the organic isocyanate contains monoisocyanate. The photosensitive composition according to claim 4, wherein the monoisocyanate corresponds to any one of general formulas (IV) and (V). R ^a -NCO (Ⅳ) R ^c -O-CONH-R ^b -NCO (Ⅴ) Wherein R ^a and R ^c are unsubstituted or substituted alkyl, alkenyl or aryl groups, and R ^b is unsubstituted or substituted alkylene, cyclo alkylene, arylene or arylene-alkylene groups. The photosensitive composition of claim 1, wherein the polymer containing hydroxyl groups contains polyvinyl acetal, polyvinyl acetate with free hydroxyl group, or a copolymer of hydroxyalkyl acrylate or hydroxyalkyl methacrylate. The photosensitive composition according to claim 1, wherein the binder contains 1 to 15% by weight of urethane group. The photosensitive composition according to claim 1, wherein the acid value of the binder is 10 to 120. The negatively working diazonium salt polycondensate of claim 1 wherein the repeating units AN ₂ Q and B, wherein A is an aromatic diazonium compound radical capable of condensation with formaldehyde, and B is a dia Radicals of compounds capable of condensation with formaldehyde, which do not contain zonium groups, in particular aromatic amines, phenols, phenolethers, aromatic thioethers, aromatic hydrocarbons, aromatic heterocyclic compounds or radicals of organic acid amides) A photosensitive composition wherein units are bound by intermediate components (preferably methylene groups) derived from condensable carbonyl compounds. The method of claim 9, wherein the diazonium salt polycondensation product is repeat units AN ₂ Q, and containing B, and a unit AN ₂ Q is coupled by a bivalent intermediate component induction these repeating units from the condensation can be carbonyl compounds A photosensitive composition derived from a compound of the general formula wherein B is a radical of an aromatic amine, phenol, thiophenol, phenolether, aromatic thioether, aromatic hydrocarbon, aromatic heterocyclic compound, or organic acid amide and does not contain diazonium groups . (R ⁸ -R ^9- ) _p R ¹⁰ -N ₂ Q Wherein Q is an anion of the diazonium compound, P is an integer from 1 to 3, R ³ is an aromatic radical capable of condensation with the active carbonyl compound at one or more positions, and R ¹⁰ is unsubstituted or substituted phenyl R ⁹ is a single bond or one of the following groups: [Wherein q is 0 to 5, r is 2 to 5, R ¹¹ is a hydrogen atom, an alkyl group of 1 to 5 carbon atoms, an aralkyl group of 7 to 12 carbon atoms or an aryl group of 6 to 12 carbon atoms, R ¹² is an arylene group having 6 to 12 carbon atoms.] A photosensitive recording material comprising a support and a photosensitive layer containing the composition as claimed in claim 1. ※ Note: The disclosure is based on the initial application.