Matches 251 - 300 out of 345 < 1 2 3 4 5 6 7 >
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4801392 Magnetic recording compositions containing ionic dye compounds as initiators  
The present invention provides magnetic recording compositions containing magnetic particles and a photohardenable composition wherein the photohardenable composition contains a free radical...
4791045 Photosensitizers and polymerizable compositions with mannich bases and iodonium salts  
This invention describes the use of some Mannich bases as photosensitizers for iodonium salts for use in the initiation of free radical polymerization of vinyl monomers. These Mannich bases are...
4776992 Process for production of molded composites  
Coated, reinforced composites are prepared by a process in which (i) a liquid composition comprising a photocurable residue and a residue having at least one epoxide group or phenolic hydroxyl...
4767797 Photocurable compositions of poly(ethynylphenyl)acetylene, its copolymer and composition thereof  
A linear polymer having a recurring unit represented by the formula (I): ##STR1## wherein R 1 , R 2 , R 3 and R 4 each independently is a hydrogen atom, a C 1 -10 alkyl group, a C 6 -10...
4755450 Spectral sensitizing dyes in photopolymerizable systems  
Spectral sensitizing dyes which sensitize photoinitiators and disperse in aqueous solutions are desirable in photosensitive systems where precise color rendition is important.
4751138 Coated abrasive having radiation curable binder  
Coated abrasive product and a process for producing same. The coated abrasive product comprises a backing, a make coat, and a size coat, and may contain an optional saturant coat, an optional...
4751102 Radiation-curable ink and coating compositions containing ionic dye compounds as initiators  
The present invention provides radiation-curable ink compositions comprising pigment and a photohardenable composition; the photohardenable composition comprises a free radical addition...
4743530 Negative working photoresists responsive to longer wavelengths and novel coated articles  
A negative working photoresist is disclosed responsive to imaging radiation of a wavelength longer than 550 nm comprised of an organic film forming component containing ethylenic unsaturation and...
4743528 Enhanced imaging composition containing an azinium activator  
An imaging composition is disclosed comprised of an organic component containing ethylenic unsaturation sites and capable of selective hardening by addition at the sites of ethylenic unsaturation,...
4743529 Negative working photoresists responsive to shorter visible wavelengths and novel coated articles  
A negative working photoresist is disclosed responsive to imaging radiation of a visible wavelength shorter longer than 550 nm comprised of an organic film forming component containing ethylenic...
4738899 Transparent abrasion-resistant flexible polymeric coating  
A process for preparing an adhesive, transparent, corrosion and abrasion resistant polymeric coating on a substrate, such as a glass, plastic or metal such as aluminum or steel. The substrate is...
4734444 Curable mixtures containing N-sulfonylaminosulfonium salts as cationically active catalysts  
Mixtures which are curable by heating or irradiation with actinic light contain one or more cationically curable compounds, such as an epoxy, an olefinically unsaturated monomer, amino resin or...
4717605 Radiation curable adhesives  
Radiation curable adhesives which are based on ionically polymerizable epoxide systems and ionic photoinitiators of the triarylsulfonium complex salt type additionally also contain at least one...
4707432 Ferrocenium/alpha-cleavage photoinitiator systems for free radical polymerizable compositions  
A free radical polymerizable composition comprising a free radical polymerizable material and a photoinitiator system therefor comprising appropriate amounts of an alpha-cleavage or homolytic bond...
4696876 Photopolymerizable composition  
Novel photopolymerizable compositions are provided which comprise a dye sensitizer, a linear polyethylenimine as a polymerization initiator and a free radical polymerizable ethylenic unsaturated...
4694029 Hybrid photocure system  
A photopolymerizable composition comprises a polymerizable epoxy-containing material, a polymerizable monomer or monomers containing one or more ##STR1## groups wherein R is H or CH 3 , a cationic...
4689288 Photosensitive film based on silicon-containing polymer and its use as a masking resin in a lithography process  
Photosensitive film which is photosensitive in a given wavelength range comprises at least one silicon-containing polymer, at least one salt which can be converted into a Brunsted acid by...
4668601 Protective coating for phototools  
A radiation-curable composition suitable for use as a protective coating for a photographic element comprises a polymerizable acrylic compound, a polymerizable epoxy-functional silane compound, a...
4659649 Photosensitive systems showing visible indication of exposure  
The invention provides new compositions which change color on exposure to actinic radiation and contain a photosensitive onium, e.g. iodonium or sulphonium, salt and a dyestuff which changes color...
4657779 Shrinkage-resistant ultraviolet-curing coatings  
An ultraviolet-curable liquid coating composition which possesses minimal substrate deformational shrinkage on cure is disclosed in which (A) a cationically curable polyepoxide having a 1,2-epoxy...
4654378 Process for the manufacture of high solids, free-flowing, granular poly(dimethyldiallyl ammonium chloride)  
The instant invention is directed to a process for the manufacture of poly(dimethyldiallyl ammonium chloride) comprising: (a) casting upon a continuous belt apparatus to form a film having a...
4654379 Semi-interpenetrating polymer networks  
Semi-interpenetrating polymer networks which may be used as printing inks or as coatings are prepared by subjecting a mixture of a vinyl ether and a cellulose ester to irradiation from an electron...
4593052 Polymerizable compositions containing diphenyliodosyl salts  
Polymerizable compositions contain (A) a cationically polymerizable material, such as an epoxide resin, a phenoplast or a cyclic vinyl ether, (B) a hydroxy compound such as styreneallyl alcohol...
4588664 Photopolymerizable compositions used in holograms  
Novel photopolymerizable compositions are provided which comprise a dye sensitizer, a branched polyethylenimine as a polymerization initiator and a free radical polymerizable ethylenic unsaturated...
4576850 Shaped plastic articles having replicated microstructure surfaces  
An article comprising a shaped, plastic layer or body comprising crosslinked polymer with hard and soft segments or moieties and having a microstructure-bearing surface is prepared by a process...
4533446 Radiation-activatable anaerobic adhesive composition  
An anaerobic adhesive composition activatable by ultraviolet or visible radiation is disclosed which forms strong bonds with lapped surfaces and which is comprised of (a) an anaerobically...
4530746 Photosensitive resin composition  
A photosensitive resin composition comprising (a) 10 to 90 parts by weight of at least one polymerizable monomer of the formula: ##STR1## (R is defined in the specification), (b) 90 to 10 parts by...
4525232 Polymerizable acrylic compositions having vinyl ether additive  
Polymerization of acid activated compositions of acrylic monomers, peroxy initiators and ferrocene derivatives is inhibited by addition of 0.5-20% of a vinyl ether monomer. Bulk compositions...
4518676 Photopolymerizable compositions containing diaryliodosyl salts  
Photopolymerizable compositions contain a cationically polymerizable material, such as an epoxide resin, a phenoplast, or an aminoplast, and, as photoinitiator, a diaryliodosyl salt of formula...
4500629 Method of forming images from liquid masses  
Images are prepared by a process in which a layer, supported on a substrate, of a liquid composition comprising (a) an anaerobically polymerizable material and (b) a photopolymerizable...
4486504 Solventless, ultraviolet radiation-curable silicone coating compositions  
An ultraviolet radiation-curable silicone coating composition is disclosed which, when applied to a solid substrate, provides an abrasion-resistant coating firmly adhered thereon. The silicone...
4485167 Aqueous developable photopolymerizable elements  
An aqueous developable photopolymerizable element having improved rate of development consisting essentially of (a) an ethylenically unsaturated monomeric compound, (b) an organic acidic polymeric...
4482489 Light-sensitive diazonium trifluoromethane sulfonates  
Provided are light-sensitive diazonium compounds known as diazonium trifluoromethane sulfonates, which have the structural formula: ##STR1## wherein D --NN-- is the cation of a...
4476215 Negative-acting photoresist composition  
Negative-acting photoresist compositions are used in a variety of reproductive and imaging systems. Significant problems with these compositions are their inability to cure to a tough, solvent...
4450360 Alkylaryliodonium salts and method for making  
Arylalkyliodonium salts are provided which can be used as thermal or photoinitiators for polymerization of a wide variety of cationically polymerizable organic materials. Reaction is effected...
4447797 Insulated conductor having adhesive overcoat  
Disclosed is a conductor coated with a fused and cured powder applied insulating coating over which is a coating of an ultraviolet B-stageable, thermally C-stageable liquid resin. The coating is...
4442197 Photocurable compositions  
Photocurable compositions are provided which can be cured with ultraviolet light at a wave length greater than 300 nm. The photocurable compositions are based on the use of cationically...
4428807 Composition containing polymerizable entities having oxirane groups and terminal olefinic unsaturation in combination with free-radical and cationic photopolymerizations means  
Photocurable resin compositions result from a mixture of polymerizable entities containing both terminal olefinic unsaturation and oxirane groups and a bifunctional curing system capable of...
4412048 Solventless UV dryable B-stageable epoxy adhesive  
Disclosed is a solventless UV dryable B-stageable epoxy adhesive which comprises about 40 to about 70 pbw of a solid thermally curable epoxy having a molecular weight between about 650 and about...
4398014 Sulfoxonium salts and their use as polymerization catalysts  
New aromatic sulfonylsulfoxonium salts are of formula ##STR1## where q is 1 to 4, R denotes an aliphatic, cycloaliphatic, or aromatic group, R 6 denotes H, an alkyl or aralkyl group, or a...
4394403 Photopolymerizable compositions  
Photopolymerizable compositions which comprise cationically polymerizable organic material and photosensitive aromatic iodonium salt of a halogen-containing complex ion are described as are coated...
4383903 Curable resin composition  
A photo-curable resin composition is disclosed comprising (i) a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of...
4356050 Method of adhesive bonding using visible light cured epoxies  
Dye sensitized epoxy resins containing an iodonium salt cationic photoinitiator can be used in a variety of adhesive bonding applications. Using low intensity visible light, cure can be initiated...
4351708 Photochemically or thermally polymerizable mixtures  
Cationically polymerizable compounds can be polymerized photochemically and thermally when a combination of (a) an aromatic iodonium salt, (b) a photoinitiator from the series comprising the...
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...
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...
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.
4303696 Radiation curing of prepolymer coating compositions  
Release coatings are provided by including in a liquid monomer or prepolymer polymerizable by electromagnetic or ionizing radiation a waxy material of limited compatibility therein. Upon...
4291114 Imageable, composite-dry transfer sheet and process of using same  
An imageable composite dry-transfer sheet that comprises (a) a cover sheet transmissive to actinic radiation that has at least one oleophilic surface, (b) a photopolymerizable layer on the...
4288479 Radiation curable release coatings  
Release coatings are provided by including in a liquid monomer or prepolymer polymerizable by electromagnetic or ionizing radiation a waxy material of limited compatibility therein. Upon...
Matches 251 - 300 out of 345 < 1 2 3 4 5 6 7 >