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4287228 |
Photopolymerizable epoxide coating compositions containing titanium dioxide pigment and method of polymerization using same
An epoxide coating composition which is relatively stable to ambient white light and activated upon exposure to ultraviolet light to produce a hard glossy coating includes a cationically...
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4273668 |
Arylsulfonium salt-solvent mixtures
Onium salts of Group VIa elements which have an MF 6 - anion, where M is selected from P, As and Sb, have been found to be photoactive under ultraviolet light. These onium salts can be...
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4256828 |
Photocopolymerizable compositions based on epoxy and hydroxyl-containing organic materials
Photocopolymerizable compositions are described which contain epoxides, organic material with hydroxyl functionality, and a photosensitive aromatic sulfonium or iodonium salt of a...
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4250053 |
Sensitized aromatic iodonium or aromatic sulfonium salt photoinitiator systems
Iodonium and sulfonium photoinitiators are naturally sensitive to only a small portion of the electromagnetic spectrum. Various classes of sensitizing dyes for iodonium and sulfonium salts are...
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4248959 |
Preparation of diazo printing plates using laser exposure
This invention relates to an improvement in a photochemical process for the preparation of printing plates wherein a printing plate comprising a photosensitive composition coated on a support is...
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4247611 |
Positive-working radiation-sensitive copying composition and method of using to form relief images
This invention relates to a radiation-sensitive copying composition which comprises (a) a compound which forms an acid under the influence of actinic radiation, and (b) an organic polymeric...
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4227978 |
Photohardenable composition
Photohardenable compositions are described comprising a halogenated oligomeric ester, acrylate or methacrylate monomer compatible with the ester, free-radical generating initiator, epoxide, and...
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4228232 |
Photopolymerizable composition containing ethylenically unsaturated oligomers
A photopolymerizable composition is disclosed which comprises 10 to 60% by weight of an ethylenically unsaturated, carboxylic acid containing oligomer, 10 to 60% by weight of an organic film...
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4216288 |
Heat curable cationically polymerizable compositions and method of curing same with onium salts and reducing agents
Heat curable cationically polymerizable organic materials, such as epoxy resins, are described based on the use of an aromatic onium salt initiator which can be used in combination with a reducing...
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4193799 |
Method of making printing plates and printed circuit
Curable compositions are provided based on the use of an aromatic onium salt with a blend of epoxy resin and polyvinyl acetal resin. The curable compositions in the form of a cast film can be used...
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4186108 |
Liquid compositions containing triarylsulfonium complex salts and oxyethylene material
Liquid compositions are described which comprise certain sulfonium complex salts dissolved in oxyethylene-containing organic material. The compositions are dilutable with, for example, epoxides to...
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4175973 |
Curable compositions
Cationic polymerization of epoxy resin such as epoxy monomers or prepolymers, can be achieved by use of certain radiation sensitive aromatic onium salts of Group Va elements. Curable compositions...
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4175972 |
Curable epoxy compositions containing aromatic onium salts and hydroxy compounds
Cationic polymerization of epoxy resin materials, such as epoxy monomers or prepolymers, can be achieved by use of certain radiation sensitive aromatic onium salts of Group VIa elements. Curable...
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4150988 |
Method of photopolymerizing polymerizable compositions containing group Va onium salts
Cationic polymerization of a variety of organic materials such as vinyl monomers, prepolymers, cyclic ethers, cyclic esters, cyclic amines, cyclic sulfides and organosilicon cyclics can be achieved...
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4139385 |
Coating method and composition using cationic photoinitiators polythio components and polyolefin components
A coating method is provided based on the use of a UV curable mixture of a polyolefin and a polythiol having an onium salt photoinitiator. There are also provided, ultraviolet radiation curable...
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4113497 |
Compositions with organohalogen compound and diazonium salts as photoinitiators of epoxy compounds in photo-polymerization
Photopolymerizable compositions and processes for photopolymerizing such compositions are provided, said process comprising admixing with said epoxides, photosensitive organohalogen compounds and...
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4069056 |
Photopolymerizable composition containing group Va aromatic onium salts
Cationic polymerization of a variety of organic materials such as vinyl monomers, prepolymers, cyclic ethers, cyclic esters, cyclic amines, cyclic sulfides and organosilicon cyclics can be achieved...
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4069054 |
Photopolymerizable composition containing a sensitized aromatic sulfonium compound and a cationacally polymerizable monomer
Aromatic sulfonium compounds are sensitized to longer wavelengths of light by means of aromatic tertiary amines, aromatic tertiary diamines and certain aromatic polycyclic compounds.
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4058401 |
Photocurable compositions containing group via aromatic onium salts
Cationic polymerization of epoxy resin materials, such as epoxy monomers or prepolymers, can be achieved by use of certain radiation sensitive aromatic onium salts of Group VIa elements. Curable...
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4026705 |
Photocurable compositions and methods
Epoxy compositions are provided which can be cured with visible radiant energy based on the use of certain organic dyes in combination with diarylhalonium salts. Cationic polymerization of various...
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4025348 |
Photosensitive resin compositions
A photosensitive resin composition consisting essentially of (A) a photo-polymerizable unsaturated compound having at least two terminal ethylene groups, (B) a reactive linear high molecular weight...
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3989610 |
Photosensitive epoxy-acrylate resin compositions
A photosensitive resin composition consisting of, or comprising as the essential components, (A) a photo-polymerizable unsaturated compound having at least two terminal ethylene groups, (B) a...
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3975243 |
Electrolytically induced polymerization utilizing diazotization of primary aromatic amines
Material useful in electropolymerization processes comprises a conductive support and a layer thereon of a composition comprising a polymerizable monomer and polymerization catalyst precursor which...
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3951769 |
Epoxide photopolymerizable compositions containing cyclic amides as gelation inhibitor and methods of polymerizing
Polymerization of epoxides and mixtures of epoxides with lactones and vinyl compounds, polymerizable through the action of cationic catalysts, is controlled by providing, in association with a...
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3816278 |
PHOTOPOLYMERIZABLE EPOXY SYSTEMS CONTAINING NITRILE GELATION INHIBITORS
Polymerization of epoxides and mixtures of epoxides with lactones and vinyl compounds, polymerizable through the action of cationic catalysts, is controlled in compositions essentially free of...
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3816281 |
POLY (VINYL PYRROLIDONE) STABILIZED POLYMERIZED EPOXY COMPOSITIONS AND PROCESS FOR IRRADIATING SAME
Polymerization of epoxides and mixtures of epoxides with lactones and vinyl compounds, polymerizable through the action of cationic catalysts, is controlled by providing, in association with a...
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3627656 |
CATALYST SYSTEMS FOR PHOTO-CHEMICAL POLYMERIZATION
An improvement in the method of effecting polymerization and particularly visible light photopolymerization of photopolymerizable ethylenic systems, or compositions thereof, by the use of a mixture...
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3617287 |
PHOTOPOLYMERIZABLE ELEMENTS CONTAINING A YELLOW DYE
An improved photopolymer image reproduction element having in a photopolymerizable layer containing an initiator that absorbs light in the ultraviolet and visible region of the spectrum a yellow,...
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3615385 |
PREPARATION OF PRINTING PLATES EMPLOYING ORGANIC POLYMERIZABLE PHOTOCONDUCTOR
A process for the preparation of printing plates from electrophotographic reproduction material, having a support suitable for printing purposes and a photoconductive layer thereon, by charging,...
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3418118 |
Photographic processes and products
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3416922 |
Resinous printing plate compositions containing light-sensitive nitrones
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3210297 |
Method for polymerizing cyclic ethers and cyclic acetals in the presence of boron trifluoride
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3155513 |
Heat sensitive sheet material and method of making
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3099558 |
Photopolymerization of vinyl monomers by means of a radiation absorbing component in the presence of a diazonium compound
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2996381 |
Photographic materials and procedures for using same
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2875047 |
Photopolymerization with the formation of coherent plastic masses
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3741769 |
Title is not available
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3829369 |
Title is not available
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3708296 |
Title is not available
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3721617 |
Title is not available
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3729313 |
Title is not available
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3600173 |
Title is not available
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3563742 |
Title is not available
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3573922 |
Title is not available
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3761280 |
Title is not available
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