Abstract: The present invention is drawn to low migration energy-curable compositions comprising epoxy acrylates derived from the reaction of poly(alkylene oxide) containing glycidyl ethers with acrylic acid. The compositions of the invention are particularly useful for the printing or coating of food packaging.

Abstract: The present application is drawn to aqueous electron beam curable compositions comprising poly(alkylene oxide) containing substances, and any blend of water-soluble or water-dispersible ethylenically unsaturated monomers, oligomers and polymers.

Abstract: Water based, energy curable ink jet compositions that have good insulating properties are described herein. The inventive water based energy curable ink jet compositions include a water soluble or water dispersible component polymerizable by free radical polymerization upon exposure to polymerizing radiation, wherein the cured ink jet compositions have good insulating properties, exhibited for example, by its breakdown voltage. Also described are electronic devices including ink jet-printed layers of the ink jet compositions.

Abstract: Energy curable compositions comprising polyols, and any blend of ethylenically unsaturated monomers and oligomers. The polyols of the invention are essentially free of any ethylenically unsaturated groups. It is preferred that the polyol substances according to the invention have greater than one hydroxy group and preferably have boiling points in excess of 170° C. The compositions of the invention are particularly useful for the printing or coating of food packaging and may be applied via any printing or coating method, although inkjet printing is a preferred method.

Abstract: Electron beam curable compositions comprising poly(alkylene oxide) containing substances, and any blend of ethylenically unsaturated monomers and oligomers. The poly(alkylene oxide) components of the said substances may include poly(ethylene glycol)s, poly(propylene glycol)s and higher poly(alkylene oxide)s, as well as poly(alkoxylated) alcohols and amines, and the substances are essentially free of any ethylenically unsaturated groups.

Abstract: Described herein are polymeric aminoacrylates formed by the reaction of polyalkylene glycol diacrylates with bireactive amines. The polymeric aminoacrylate are comprised of moieties of poly(alkylene glycol) diacrylate and moieties of bireactive amines. Also described herein are energy curable ink and coating compositions that include the described polymeric aminoacrylates. The energy curable ink and coating compositions that include the described polymeric aminoacrylates are well-suited for use in packaging applications where low migration of uncured monomer material after cure is desired, such as in the packaging of foodstuffs, pharmaceuticals, etc.

Abstract: Electron beam curable compositions comprising polyols, and any blend of ethylenically unsaturated monomers and oligomers. The polyols of the invention are preferably essentially free of any ethylenically unsaturated groups, have greater than one hydroxy group and preferably have boiling points in excess of 170° C.

Abstract: The present invention is directed to a method for printing energy curable ink and coating compositions comprising high amounts of monofunctional monomers that exhibit both good adhesion to plastic substrates, and good solvent resistance. The method of the present invention employs electron beam curing of the ink and coating compositions, at accelerating voltages greater than or equal to 70 keV, and electron beam doses greater than or equal to 30 kGy, and preferably greater than or equal to 40 kGy.

Abstract: The present invention provides a method for printing energy curable ink and coating compositions that comprise high amounts of multifunctional monomers, achieving cured inks and coatings that exhibit good adhesion to plastic substrates, good resistance when cured, and low amounts of uncured, migratable monomers. The method of the present invention employs electron beam curing of the ink and coating compositions, at accelerating voltages greater than or equal to 70 keV, and electron beam doses greater than or equal to 30 kGy, and preferably greater than or equal to 40 kGy.

Abstract: The present invention provides a photoresist composition Part A, comprising a carboxylic functional ethylenically unsaturated resin having an acid value equal to or greater than 10 mg KOH/g, and an organosulphur compound. The photoresist composition may further comprise a Part B, comprising a resin that may react with the carboxylic groups of Part A. The photoresist compositions are shelf-stable, alkali developable, and provide cured resists with improved surface- and through-cure, improved gloss, and reduced undercut and overcut.

Abstract: The present invention is directed to a method for printing energy curable ink and coating compositions comprising high amounts of monofunctional monomers that exhibit both good adhesion to plastic substrates, and good solvent resistance. The method of the present invention employs electron beam curing of the ink and coating compositions, at accelerating voltages greater than or equal to 70 keV, and electron beam doses greater than or equal to 30 kGy, and preferably greater than or equal to 40 kGy.

Abstract: The present invention provides a method for printing energy curable ink and coating compositions that comprise high amounts of multifunctional monomers, achieving cured inks and coatings that exhibit good adhesion to plastic substrates, good resistance when cured, and low amounts of uncured, migratable monomers. The method of the present invention employs electron beam curing of the ink and coating compositions, at accelerating voltages greater than or equal to 70 keV, and electron beam doses greater than or equal to 30 kGy, and preferably greater than or equal to 40 kGy.

Abstract: Described herein are free radically polymerizable aqueous inkjet compositions that include water, a water-soluble or water-dispersible component polymerizable by free radical polymeration, and one or more water-soluble organic solvents in compliance with following Formula I: ?(Xn·Hn·Bn)????(I), where ? is 2,000,000. The variables of the formula are defined herein. Also described are printed articles that include the inkjet compositions of the disclosure. The inkjet compositions dry rapidly while remaining fluid during printing, thereby avoiding clogging in the print head.

Abstract: Water based, energy curable ink jet compositions that have good insulating properties are described herein. The inventive water based energy curable ink jet compositions include a water soluble or water dispersible component polymerizable by free radical polymerization upon exposure to polymerizing radiation, wherein the cured ink jet compositions have good insulating properties, exhibited for example, by its breakdown voltage. Also described are electronic devices including ink jet-printed layers of the ink jet compositions.

Abstract: The present invention provides a method for printing energy-curable ink and coating compositions that have good adhesion to substrates, good print quality, solvent and scratch resistance, and low potential for migration of uncured monomers. The method comprises the steps of printing the ink or coating onto a substrate; partially curing the printed ink or coating by irradiating with UV energy; optionally printing and partially UV curing additional ink layers printed on the first layer; and completing curing via exposure to electron beam radiation, wherein the EB cure dose is greater than or equal to 20 kGy, and the accelerating voltage is greater than or equal to 70 keV.

Abstract: The present invention provides energy-curable compositions comprising aminoacrylates produced by the Michael addition reaction of any blend of highly alkoxylated monomers with any blend of mono- and/or bireactive amines. Suitable highly alkoxylated monomers include, but are not limited to, poly(ethylene glycol) diacrylates, poly(propylene glycol) diacrylates, and ethoxylated trimethylolpropane triacrylates. The alkoxylated monomers have a degree of alkoxylation equal to or greater than 2.0 per functional group. The compositions of the present invention further comprise greater than 10% (w/w) of any blend of monomers having molecular weights of less than 1000 Daltons.

Abstract: The use of a colloidal silica having a specific surface area greater than 300 m2/g in a gas barrier coating additionally comprising polyvinyl alcohol and/or ethylene vinyl alcohol copolymer and/or a silylated derivative thereof improves wet bond strength.

Abstract: A carbon dioxide gas barrier coating comprising clay dispersed in a polymer composition comprising EVOH, gas barrier materials such as laminate materials (20) including the coating (1) on a substrate (2), methods of enhancing the carbon dioxide barrier properties of materials using the coating, uses of the coating composition in enhancing the gas barrier properties of a substrate packages including the carbon dioxide barrier materials (20) and methods of protecting articles.

Abstract: The use of a colloidal silica having a specific surface area greater than 300 m2/g in a gas barrier coating additionally comprising polyvinyl alcohol and/or ethylene vinyl alcohol copolymer and/or a silylated derivative thereof improves wet bond strength.

Abstract: The use of a colloidal silica having a specific surface area greater than 300 m2/g in a gas barrier coating additionally comprising polyvinyl alcohol and/or ethylene vinyl alcohol copolymer and/or a silylated derivative thereof improves wet bond strength.