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4324679 Controlling odor in photopolymerization  
The use of certain organic materials having non-aromatic carbon-carbon unsaturation is described in connection with photopolymerizable compositions containing aromatic sulfonium complex salt...
4318766 Process of using 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...
4310469 Diaryliodonium salts  
Cationic polymerization of epoxy monomers or prepolymers can be achieved by use of certain radiation sensitive aromatic halonium salts. Curable compositions are provided which can be used as...
4308118 Deep section curable epoxy resin putty  
A composition uniquely adapted for use as a heat and ultraviolet light hardenable putty for filling metal surfaces comprises an epoxidic prepolymer, a catalyst precursor combination comprising an...
4307177 Method of using polymerizable compositions containing onium salts  
Cationic polymerization of a variety of organic materials such as vinyl monomers, prepolymers, cyclic ethers, cyclic esters and organosilicon cyclics can be achieved by the use of certain radiation...
4306953 Cationically polymerizable compositions containing sulfonium salt photoinitiators and stable free radicals as odor suppressants and _method of polymerization using same  
Photopolymerizable compositions using sulfonium salt photoinitiators to effect polymerization of cationically polymerizable monomers additionally include a stable free radical to reduce or...
4307182 Imaging systems with tetra(aliphatic) borate salts  
A radiation sensitive element comprising a substrate having coated on at least one side thereof a layer comprising a radiation sensitive tetra(aliphatic) borate salt.
4299938 Photopolymerizable and thermally polymerizable compositions  
Substances (I) capable of being converted into higher-molecular weight materials under the influence of a cationic catalyst, such as 1,2-epoxides, aminoplasts, vinyl monomers or prepolymers, or...
4289595 Ambient temperature curing photopolymerizable epoxide compositions utilizing epoxide ethers and methods  
Photopolymerizable epoxide compositions are provided which contain photoinitiators decomposable upon exposure to electromagnetic radiation to produce a Lewis acid and polymerizable epoxide...
4286047 Pressure-sensitive adhesive susceptible to ultraviolet light-induced detackification  
"Release on demand" pressure-sensitive adhesives and tapes which are readily detackifiable by exposure to actinic radiation. The adhesive system has an oxirane ring-bearing component blended...
4279717 Ultraviolet curable epoxy silicone coating compositions  
Epoxy functional diorganosiloxane fluids are combined with bis-aryl iodonium salts, particularly linear alkylate bis-dodecylphenyl iodonium salts to form a silicone coating composition effective...
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...
4264703 Cationically polymerizable compositions containing photodecomposable aromatic iodonium salts  
Cationic polymerization of a variety of organic materials such as vinyl monomers, prepolymers, cyclic ethers, cyclic esters and organosilicon cyclics can be achieved by the use of certain radiation...
4257859 Benzoin photoinitiator containing a quaternary ammonium group in photo curable composition and process  
Quaternary ammonium compounds of the formula ##STR1## where R 1 and R 2 are identical or different and each is H, halogen, phenyl, alkyl, alkoxy or alkylthio, R 3 is H or alkyl, hydroxyalkyl,...
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...
4252592 Method of making epoxide resin-impregnated composites  
A layer of a liquid composition containing an epoxide resin as the sole photopolymerizable component, a heat-activated curing agent for epoxide resins, and preferably a photopolymerization...
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...
4246298 Rapid curing of epoxy resin coating compositions by combination of photoinitiation and controlled heat application  
A method for the high speed coating of various substrates utilizes an epoxy composition containing a radiation-sensitive catalyst precursor which will decompose upon exposure to electromagnetic...
4245029 Photocurable compositions using triarylsulfonium salts  
Photocurable compositions are provided based on the use of particular triarylsulfonium salts as photoinitiators for certain oxirane containing aliphatically unsaturated organic resins, such as...
4242437 Photosensitized polyamic acids curable by exposure to actinic radiation  
A photosensitized polyamic acid film comprising polyamic acid and a photoinitiator, which is curable to a polyimide upon exposure to actinic radiation in the absence of externally applied heat.
4238619 Method for making aryl onium salts of group via elements  
A method is provided for making certain aryl onium salts of Group VIa elements useful as photoinitiators for polymerizing various organic materials. Reaction is effected between a compound of a...
4231886 Ester solutions of complex salts  
Compositions are provided comprising complex salts dissolved in liquid organic esters in amounts of at least 10% by weight. The compositions provide a concentrated liquid form of complex salt for...
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...
4219377 Photocurable epoxy composition having improved flexibility comprising vinyl terminated acrylonitrile-butadiene polymer  
Photocurable epoxy-containing composition having increased flexibility comprising (a) 100 parts by weight epoxy-containing composition; (b) 5 to 200 parts by weight vinyl-terminated...
4218531 Addition of ethylenically unsaturated materials to control odor in photopolymerizable epoxy compositions  
The use of certain organic materials having non-aromatic carbon-carbon unsaturation is described in connection with photopolymerizable compositions containing aromatic sulfonium complex salt...
4201640 Method for producing bis-[4-(diphenylsulfonio)phenyl] sulfide bis-M.X.sub.6  
A highly effective photoinitiator for cationic polymerization of monomer formulations is prepared by reacting bis-[4-(diphenylsulfonio)phenyl] sulfide bis-halide wherein halide is chloride or...
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...
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...
4179400 Process for preparing catalytic solutions of sulfonium salts  
This invention relates to a process for preparing a catalytic solution of a sulfonium salt of a complex anion, capable of yielding a Lewis Acid when irradiated by UV or high energy ionizing...
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...
4175963 Method of exposing and curing an epoxy composition containing an aromatic onium salt  
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...
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...
4161405 Method of cationally polymerizing oxirane free materials with group VIa onium salts  
Cationic polymerization of a variety of organic materials such as vinyl monomers, prepolymers, cyclic ethers, cyclic esters, cyclic sulfides and organosilicon cyclics can be achieved by the use of...
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...
4148987 Radiation-curable monomers and polymers thereof  
Monoethylenically unsaturated derivatives of substituted benzophenones or acetophenones which are prepared by reaction of such a benzophenone or acetophenone with a vinyl benzyl halide, such as the...
4147552 Light-sensitive compositions with 3-substituted coumarin compounds as spectral sensitizers  
3-Substituted coumarins are efficient sensitizers for light-sensitive unsaturated materials such as unsaturated vesiculators which release a gas upon exposure to radiation, unsaturated monomers and...
4139655 Photocurable epoxy compositions containing thiopyrylium salts  
This invention relates to photocurable compositions comprising an epoxy resin and a catalytic amount of a photodecomposable thiopyrylium salt of the formula: ##STR1## WHERE R 1 , R 2 and R 3 are...
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...
4138255 Photo-curing method for epoxy resin using group VIa onium salt  
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...
4113895 Method for producing multilayered coated substrate  
Printed and varnished surfaces are provided by depositing a base film or printing on a substrate and depositing, wet-on-wet, a protective varnish or top coat after which the multilayers are exposed...
4108747 Curable compositions and method for curing such compositions  
Cationically polymerizable compositions are provided, such as epoxides, vinyl ethers, and N-vinyl compounds having an effective amount of aryl onium trifluoromethane sulfonate salts, such as a...
4109068 Radiation sensitive vinyl hydrophilic copolymers  
Photosensitive polymeric compositions comprising a copolymer of (a) vinyl alcohol units and (b) vinyl ester units derived from the structure ##STR1## in which R is a divalent organic group, R 1 , R...
4105806 Photoinitiator free inks and method  
Photoinitiator-free inks and a method of producing printed and varnished surfaces are provided by depositing a base film or printing on a substrate and depositing, wet-on-wet, a protective varnish...
4102687 UV Curable composition of a thermosetting condensation resin and Group VIa onium salt  
UV curable coating compositions are provided based on the use of a Group VIa onium salt photoinitiator in combination with an organic resin, such as an alkoxylated melamine, or ureaformaldehyde or...
4101513 Catalyst for condensation of hydrolyzable silanes and storage stable compositions thereof  
Onium catalysts of Group Va, VIa, and VIIa atoms have been found to be radiation activatable catalysts for the hydrolysis of silanes. Anhydrous compositions comprising silanes and the catalyst are...
4090936 Photohardenable compositions  
Photohardenable, liquid compositions are described which are particularly useful as plating and etching resists.
4086091 Method of applying and curing epoxy coating compositions using dicarbonyl chelate of group IIIa-Va element and UV irradiation  
A method for effecting the thin section cure of an epoxy resin is provided, based on the use of a moisture sensitive dicarbonyl chelate of a Group IIIa-Va element. Rapid cure of the applied epoxy...
4081276 Photographic method  
A method is described for forming an image or design on the surface of a substrate by treating the substrate with a photoinitiator, such as triphenylsulfonium hexafluoroantimonate. A mask can be...
4076489 Method for coating photoflash lamps  
A method for coating photoflash lamps with UV curable solventless organic resins having desirable transmission characteristics in the cured state to render the lamps shatter resistant upon flashing...
4069055 Photocurable epoxy compositions containing group Va onium salts  
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...