Abstract: An actinic ray curable composition comprising a photo-polymerizable compound and a photo-polymerization initiator, wherein the photo-polymerizable compound is a cationic polymerizable compound and a terminal polyether-modified silicone surfactant is further incorporated in the actinic ray curable composition.

Abstract: Disclosed is an actinic ray curable composition comprising a cationically polymerizable compound, an onium salt, and a compound represented by formula 1, R1{(CR2R3)mOH}n??Formula 1 wherein R1 represents a condensed ring group; R2 and R3 independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group; m represents an integer of from 2 to 4; and n represents an integer of from 1 to 10.

Abstract: The invention is to provide an epoxy compound or an actinic energy radiation hardenable composition each having high safety and stability, and to provide an actinic energy radiation hardenable composition with excellent photo-hardenability under high humidity, which gives high solvent resistance, high water proof and a hardened layer with high strength. There is provided an actinic energy radiation hardenable composition containing an epoxy compound represented by the following formula (1).

Abstract: A cationically polymerizable composition containing a cationically polymerizable compound and a cationic polymerization initiator, wherein a total content of a cationic compound, a metal compound and a strong acid compound contained in the cationically polymerizable composition is in the range of 1 to 500 ppm by weight based on the total weight of the cationically polymerizable composition.

Abstract: A cationic polymerizable composition comprising a cationic polymerizable mixture, a cationic polymerization initiator and an amino alcohol, wherein the amino alcohol contains two hydroxyl groups and one carbon chain containing a carbon atom having one or no hydrogen atom bonded to the carbon atom, an actinic ray curable ink-jet ink using the same, and a method of stabilizing the cationic polymerizable composition.

Abstract: Disclosed is a composition that is curable by cationic polymerization initiated by active energy beam, which is not affected by humidity of atmosphere and has superior curing property and superior adhesion property to a recording material, while being able to provide long storage stability without inhibiting curing property. Also disclosed is an image forming method using the composition, the method being able to provide a high quality image with no blur. Accordingly, the composition that is curable by cationic polymerization initiated by active energy beam, in which a cation polymerizing compound includes at least a cationic polymerization initiator, has a moisture content of 2.5 parts by mass or less, according to Karl Fisher method.

Abstract: A polymerizable actinic radiation curable composition comprising a photo-acid generating compound and an epoxy compound represented by Formula (1): wherein X represents a divalent group selected form the group consisting of —O—, —S—, —SO—, —SO2—, —CBr2—, —C(CBr3)2—, and —C(CF3)2—; R1 to R18 each independently represent a hydrogen atom, a halogen atom, a hydrocarbon group having 1-8 carbon atoms, provided that the hydrocarbon group may contain an oxygen atom or a halogen atom, or a substituted or unsubstituted alkoxy group having 1-8 carbon atoms.

Abstract: A method for storing a cationic polymerizable composition including an acid generating agent, a cationic polymerizable compound and water, the method including the step of: placing the cationic polymerizable composition in a water impermeable container maintaining a content of water in the cationic polymerizable composition at a level of 0.2-5.0 weight % based on the total weight of the cationic polymerizable composition.

Abstract: An actinic ray curable composition comprising a photo-polymerizable compound and a photo-polymerization initiator, wherein the photo-polymerizable compound is a cationic polymerizable compound and a terminal polyester-modified silicone surfactant is further incorporated in the actinic ray curable composition.

Abstract: An active ray curable ink-jet ink composition comprising: (a) a cationic polymerizable compound, (b) a cationic photopolymerization initiator, and (c) an alkyl modified or an alkyl aralkyl modified silicone oil.

Abstract: Disclosed is an actinic ray curable ink-jet ink comprising a cationically polymerizable compound including a cationically polymerizable epoxy compound and a cationically polymerizable oxetane ring-containing compound, wherein the actinic ray curable ink-jet ink contains the cationically polymerizable epoxy compound in an amount of from 35 to 95% by weight based on the total amount of cationically polymerizable compound, the cationically polymerizable epoxy compound having a solubility parameter (sp value) of from 10 to 20, and the cationically polymerizable oxetane ring-containing compound having a solubility parameter (sp value) of from 5 to 8.0, and wherein the actinic ray curable ink-jet ink has a viscosity at 25° C. of 5 to 50 mPa·s.

Abstract: Disclosed is an actinic ray curable composition comprising a cationically polymerizable compound, an onium salt, and a compound represented by formula 1, R1{(CR2R3)mOH}n??Formula 1 wherein R1 represents a condensed ring group; R2 and R3 independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group; m represents an integer of from 2 to 4; and n represents an integer of from 1 to 10.

Abstract: Actinic ray curable inks is disclosed. The ink contains at least one kind of epoxidized fatty acid ester or epoxidized fatty acid glyceride, as well as by further containing an oxetane compound, a cation polymerization initiator and a colorant.

Abstract: An active energy ray curable ink-jet ink comprising an epoxy compound containing and alicyclic epoxy group and an epoxyfied fatty acid ester group, and a printed material used therewith.

Abstract: An active energy ray curable composition containing an epoxy compound having at least one oxirane ring having substituents at positions ? and ? of the oxirane ring.

Abstract: Disclosed is an actinic ray curable ink-jet ink comprising a an epoxy compound having at least two oxirane rings and a linkage chain linking the two oxirane rings, wherein the linkage chain has a branched structure.

Abstract: Disclosed is an actinic ray curable ink-jet ink comprising a cationically polymerizable compound including a cationically polymerizable epoxy compound and a cationically polymerizable oxetane ring-containing compound, wherein the actinic ray curable ink-jet ink contains the cationically polymerizable epoxy compound in an amount of from 35 to 95% by weight based on the total amount of cationically polymerizable compound, the cationically polymerizable epoxy compound having a solubility parameter (sp value) of from 10 to 20, and the cationically polymerizable oxetane ring-containing compound having a solubility parameter (sp value) of from 5 to 8.0, and wherein the actinic ray curable ink-jet ink has a viscosity at 25° C. of 5 to 50 mPa·s.

Abstract: A photocurable ink for ink-jet recording, comprising an oxetane compound having a substituent at the 2-position of the molecule.

Abstract: A cationically polymerizable composition containing a cationically polymerizable compound and a cationic polymerization initiator, wherein a total content of a cationic compound, a metal compound and a strong acid compound contained in the cationically polymerizable composition is in the range of 1 to 500 ppm by weight based on the total weight of the cationically polymerizable composition.

Abstract: An optical image recording material containing an oxetane compound having 1-4 oxetane rings, a cationic photopolymerization initiator, and a matrix forming precursor substance.