Photopolymerizable composition and recording materials utilizing the same

Claim 2

A photopolymerizable composition consisting essentially of: (a) a chlorinated polyolefin binder having a degree of polymerization ranging from 300 to 20,000 and a degree of chlorination ranging from about 40 to 72% selected from the group consisting of chlorinated polyethylene, chlorinated polypropylene and chlorinated copolymer of poly(ethylene/propylene): (b) a monomer which is an ester of acrylic acid and a polyhydric alcohol or an ester of methacrylic acid and a polyhydric alcohol, said monomer having at least one ethylenically unsaturated bond capable of addition polymerization present in an amount of 8.0 to 26.7 parts by weight per 10 parts by weight of said polyolefin (a); and (c) a photopolymerization initiator present in an amount of 0.1 to 1 parts by weight per 100 parts by weight of said monomer (b).

Claim 3

The photopolymerizable composition of claim 1, wherein said photopolymerization initiator is benzoin, benzoin methyl ether, benzophenone, 9,10-anthraquinone, 2-methylanthraquinone, 2-tert-butylanthraquinone, 9,10-phenanthrenequinone, diacetyl, benzil, or a compound represented by the following general formula: ##STR2## wherein, R 1 represents an alkyl group, a hydroxyalkyl group, an alkoxyalkyl group, a carboxyalkyl group, a sulfoalkyl group, an aralkyl group, a sulfoaralkyl group, a carboxyaralkyl group or a vinylmethyl group; R 2 represents an alkyl group, an aryl group, a hydroxyaryl group, an alkoxyaryl group, a haloaryl group, or a thienyl group; Z represents the non-metallic atom group necessary to complete a nitrogen-containing heterocyclic ring, an organic sulfur compound, a peroxide, a redox initiator, an azo compound, a diazo compound, an active halogen containing compound, or a photo-reducible dyestuff.

Claim 4

The photopolymerizable composition of claim 1, wherein said chlorinated polyolefin is chlorinated polyethylene.

Claim 5

The photopolymerizable composition of claim 1, wherein said chlorinated polyolefin is chlorinated polypropylene.

Claim 6

The photopolymerizable composition of claim 1, which is suitable for peeling-off development.

Claim 7

The photopolymerizable composition of claim 3, which is suitable for peeling-off development.

Claim 8

The photopolymerizable composition of claim 1, wherein said photopolymerization initiator is 2-methylanthraquinone, 2-tert-butylanthraquinone or 1-methyl-2-benzoylmethylene-β-naphtho-thiazoline.

Claim 9

The photopolymerizable composition of claim 1, wherein said monomer (b) is an ester of acrylic acid and a polyhydric alcohol.

Claim 10

The photopolymerizable composition of claim 1, wherein said monomer (b) is trimethylolpropane triacrylate, pentaerythritol triacrylate or glycerol triacrylate.

Claim 11

The photopolymerizable composition of claim 1, wherein said monomer (b) is an ester of methacrylic acid and a polyhydric alcohol.

Claim 12

The photopolymerizable composition of claim 1, wherein said monomer (b) is pentaerythritol dimethacrylate or diglycerol trimethacrylate.

Claim 13

An image recording material comprising a support having thereon a layer of the photopolymerizable composition of claim 1.

Claim 14

The image recording material of claim 12, including a protective film on said photopolymerizable composition layer.

Claim 15

The image recording material of claim 12, wherein said support is a transparent support.

Claim 16

The image recording material of claim 12, wherein said support is polyethylene terephthalate, polypropylene, a polyamide or a polyimide.

Claim 17

The image recording material of claim 12, wherein said photopolymerizable composition layer has a thickness ranging from about 2 to 100 microns.

Claim 18

The photopolymerizable composition of claim 1, including at least one member selected from the group consisting of a thermal polymerization inhibitor, a coloring agent, a plasticizer, a resinous material and a stabilizer for said chlorinated polyolefin.

Claim 19

The image recording material of claim 12, wherein said support is an aluminum plate, a zinc plate or a copper plate.

Claim 20

The image recording material of claim 12, wherein said support is a metal support.

Claim 21

The image recording material of claim 18, wherein said aluminum plate has an anodized surface.

Claim 22

The image recording material of claim 18, wherein said copper plate is a copper substrate for printed circuit.

Claim 23

The image recording material of claim 14, wherein said transparent support has a thickness ranging from about 10 to 100 microns.

Claim 24

The image recording material of claim 13, wherein said protective film is polypropylene, polyethylene, cellulose triacetate, cellulose diacetate, poly(vinyl chloride), poly(vinyl alcohol), a polycarbonate, polystyrene, cellophane, a vinylidene chloride copolymer, a vinyl chloride-vinyl acetate copolymer, poly(tetrafluoroethylene) or poly(trifluoroethylene).

Claim 25

The image recording material of claim 15, wherein said protective film is a polyvinylpyrrolidone film provided by coating on said photopolymerizable composition layer, or a polyethylene film.

Claim 26

The image recording material of claim 14, wherein said transparent support is a polyethylene terephthalate film or a polypropylene film.

Claim 27

The image recording material of claim 12, wherein said photopolymerization initiator is benzoin, benzoin methyl ether, benzophenone, anthraquinone, 9,10-anthraquinone, 2-methylanthraquinone, 2-tert-butylanthraquinone, 9,10-phenanthrenequinone, diacetyl, benzyl, or a compound represented by the following general formula: ##STR3## wherein, R 1 represents an alkyl group, a hydroxyalkyl group, an alkoxyalkyl group, a carboxyalkyl group, a sulfoalkyl group, an aralkyl group, a sulfoaralkyl group, a carboxyaralkyl group or a vinylmethyl group; R 2 represents an alkyl group, an aryl group, a hydroxyaryl group, an alkoxyaryl group, a haloaryl group, or a thienyl group; Z represents the non-metallic atom group necessary to complete a nitrogen-containing heterocyclic ring, an organic sulfur compound, a peroxide, a redox initiator, an azo compound, a diazo compound, an active halogen containing compound, or a photo-reducible dyestuff.

Claim 28

The image recording material of claim 12, wherein said photopolymerization initiator is 2-methylanthraquinone, 2-tert-butylanthraquinone or 1-methyl-2-benzoylmethylene-β-naphtho-thiazoline.

Claim 29

The image recording material of claim 12, wherein said monomer (b) is an ester of acrylic acid and a polyhydric alcohol.

Claim 30

The image recording material of claim 12, wherein said monomer (b) is trimethylolpropane triacrylate, pentaerythritol triacrylate or glycerol triacrylate.

Claim 31

The image recording material of claim 12, wherein said monomer (b) is an ester of methacrylic acid and a polyhydric alcohol.

Claim 32

The image recording material of claim 12, wherein said monomer (b) is pentaerythritol dimethacrylate or diglycerol trimethacrylate.

Claim 33

The image recording material of claim 12, including at least one member selected from the group consisting of a thermal polymerization inhibitor, a coloring agent, a plasticizer, a resinous material and a stabilizer for said chlorinated polyolefin.

Claim 34

A peeling-off developable image recording material comprising (1) a copper, zinc or aluminum substrate having thereon; (2) a photopolymerizable composition layer consisting essentially of: (a) a chlorinated polyolefin binder having a degree of polymerization ranging from 300 to 20,000 and a degree of chlorination ranging from about 40 to 72% selected from the group consisting of chlorinated polyethylene, chlorinated polypropylene and chlorinated copolymer of poly(ethylene/propylene) (b) a monomer which is an ester of acrylic acid and a polyhydric alcohol or an ester of methacrylic acid and a polyhydric alcohol, said monomer having at least one ethylenically unsaturated bond capable of addition polymerization present in an amount of 8.0 to 26.7 parts by weight per 10 parts by weight of said polyolefin (a); and (c) a photopolymerization initiator present in an amount of 0.1 to 1 parts by weight per 100 parts by weight of said monomer (b).

Claim 35

A peeling-off developable image recording material comprising (1) a copper, zinc or aluminum substrate having thereon; (2) a photopolymerizable composition layer consisting essentially of: (a) a chlorinated polyolefin binder having a degree of polymerization ranging from 300 to 20,000 and a degree of chlorination ranging from about 40 to 72% selected from the group consisting of chlorinated polyethylene, chlorinated polypropylene and chlorinated copolymer of poly(ethylene/propylene) (b) a monomer which is an ester of acrylic acid and a polyhydric alcohol or an ester of methacrylic acid and a polyhydric alcohol, said monomer having at least one ethylenically unsaturated bond capable of addition polymerization present in an amount of 8.0 to 26.7 parts by weight per 10 parts by weight of said polyolefin (a); and (c) a photopolymerization initiator present in an amount of 0.1 to 1 parts by weight per 100 parts by weight of said monomer (b).

Claim 36

The peeling-off developable image recording material of claim 33, wherein said photopolymerization initiator is benzoin, benzoin methyl ether, benzophenone, anthraquinone, 9,10-anthraquinone, 2-methylanthraquinone, 2-tert-butylanthraquinone, 9,10-phenanthrenequinone, diacetyl, benzyl, or a compound represented by the following general formula: ##STR4## wherein, R 1 represents an alkyl group, a hydroxyalkyl group, an alkoxyalkyl group, a carboxyalkyl group, a sulfoalkyl group, an aralkyl group, a sulfoaralkyl group, a carboxyaralkyl group or a vinylmethyl group; R 2 represents an alkyl group, an aryl group, a hydroxyaryl group, an alkoxyaryl group, a haloaryl group, or a thienyl group; Z represents the non-metallic atom group necessary to complete a nitrogen-containing heterocyclic ring, an organic sulfur compound, a peroxide, a redox initiator, an azo compound, a diazo compound, an active halogen containing compound, or a photo-reducible dyestuff.

Claim 37

The peeling-off developable image recording material of claim 33, wherein said photopolymerization initiator is 2-methylanthraquinone, 2-tert-butylanthraquinone or 1-methyl-2-benzoylmethylene-β-naphtho-thiazoline.

Claim 38

The peeling-off developable image recording material of claim 33, wherein said monomer (b) is trimethylolpropane triacrylate, pentaerythritol triacrylate or glycerol triacrylate.

Claim 39

The peeling-off developable image recording material of claim 33, wherein said monomer (b) is an ester of methacrylic acid and a polyhydric alcohol.

Claim 40

The peeling-off developable image recording material of claim 33, wherein said monomer (b) is an ester of acrylic acid and a polyhydric alcohol.

Claim 41

The peeling-off developable image recording material of claim 33, including at least one member selected from the group consisting of a thermal polymerization inhibitor, a coloring agent, a plasticizer, a resinous material and a stabilizer for said chlorinated polyolefin.

Claim 42

The peeling-off developable image recording material of claim 33, wherein said photopolymerizable composition layer has a thickness ranging from about 2 to 100 microns.

Claim 43

The peeling-off developable image recording material of claim 33, wherein said aluminum substrate has an anodized surface.

Claim 44

The peeling-off developable image-recording material of claim 33, wherein said copper substrate is a copper substrate for printed circuit.