Abstract: A novel vinyl-group-containing fluorene compound and a method for producing the same, a polymerizable monomer and cross-linking agent including this compound, a leaving-group-containing fluorene compound, a monovinyl-group-containing fluorene compound, and methods for producing the same. This vinyl-group-containing fluorene compound is represented by formula (1). In the formula, W1 and W2 represent a group represented by formula (2), a group represented by formula (4), a hydroxyl group, or a (meth)acryloyloxy group, R3a and R3b represent a cyano group, a halogen atom, or a monovalent hydrocarbon, and n1 and n2 are integers of 0-4. In formulas (2) and (4), a ring (Z) is an aromatic hydrocarbon ring, X is a single bond or a group represented by —S—, R1 is a single bond or a C1-4 alkylene group, R2 is a specific substituent group such as a monovalent hydrocarbon, and m is an integer of 0 or greater.

Abstract: A novel vinyl-group-containing fluorene compound and a method for producing the same, a polymerizable monomer and cross-linking agent including the compound, a leaving-group-containing fluorene compound, a monovinyl-group-containing fluorene compound, and methods for producing the same. The vinyl-group-containing fluorene compound is represented by formula (1) in which W1 and W2 represent a group represented by formula (2), a group represented by formula (4), a hydroxyl group, or a (meth)acryloyloxy group, R3a and R3b represent a cyano group, a halogen atom, or a monovalent hydrocarbon, and n1 and n2 are integers of 0-4. In formulas (2) and (4), (Z) is an aromatic hydrocarbon ring, X is a single bond or a group represented by —S—, R1 is a single bond or a C1-4 alkylene group, R2 is a substituent such as a monovalent hydrocarbon, and m is an integer of 0 or more).

Abstract: An object of the present invention is to provide a curable epoxy resin composition, which is cured to provide a cured product having a high glass-transition temperature and particularly having excellent balance between heat resistance and transparency. The present invention relates to a curable epoxy resin composition comprising an alicyclic epoxy compound (A) represented by the following formula (1) and a curing agent (B), or a curable epoxy resin composition comprising an alicyclic epoxy compound (A) represented by the following formula (1) and a curing catalyst (C). wherein R1 to R22, which may be the same or different, each represent a hydrogen atom, a methyl group or an ethyl group; and m and n, which may be the same or different, each represent an integer of 1 to 4.

Abstract: A novel vinyl-group-containing fluorene compound and a method for producing the same, a polymerizable monomer and cross-linking agent including this compound, a leaving-group-containing fluorene compound, a monovinyl-group-containing fluorene compound, and methods for producing the same. This vinyl-group-containing fluorene compound is represented by formula (1). In the formula, W1 and W2 represent a group represented by formula (2), a group represented by formula (4), a hydroxyl group, or a (meth)acryloyloxy group, R3a and R3b represent a cyano group, a halogen atom, or a monovalent hydrocarbon, and n1 and n2 are integers of 0-4. In formulas (2) and (4), a ring (Z) is an aromatic hydrocarbon ring, X is a single bond or a group represented by —S—, R1 is a single bond or a C1-4 alkylene group, R2 is a specific substituent group such as a monovalent hydrocarbon, and m is an integer of 0 or greater.

Abstract: Provided are: a novel triepoxy compound capable of forming, through polymerization, a cured article having excellent heat resistance; a production method thereof; a curable composition including the triepoxy compound; and a cured article obtained by curing the curable composition. The triepoxy compound according to the present invention is represented by Formula (1). The triepoxy compound represented by Formula (1) may be obtained typically by oxidizing a compound represented by Formula (2) with an oxidizing agent. In Formulae (1) and (2), R1 to R2° are the same as or different from one another and each represent hydrogen atom, methyl group, or ethyl group.

Abstract: Provided are: a novel polyglycerol di-(alkyl/alkenyl) ether that is useful as a highly hydrophilic gemini surfactant; and a cosmetic composition containing the polyglycerol di-(alkyl/alkenyl) ether. The polyglycerol di-(alkyl/alkenyl) ether is represented by Formula (1), where R1 and R2 are identical or different and are independently a straight- or branched-chain alkyl group or a straight- or branched-chain alkenyl group, where the alkyl group may have one or more hydroxyl groups; and n indicates a number of glycerol units and is an integer of 2 or more.

Abstract: There is provided a diepoxy compound that can be polymerized to form a cured product having thermal stability that has excellent heat resistance, and can maintain excellent mechanical properties even if exposed to a high temperature environment. The saturated diepoxy compound of the present invention is represented by the following formula (1) and can be produced by hydrogenating the unsaturated bond of an unsaturated diepoxy compound represented by the following formula (2). In the following formulas, R1 to R20 are each an independent group and identically or differently represent a hydrogen atom, a methyl group, or an ethyl group.

Abstract: Provided are: a novel triepoxy compound capable of forming, through polymerization, a cured article having excellent heat resistance; a production method thereof; a curable composition including the triepoxy compound; and a cured article obtained by curing the curable composition. The triepoxy compound according to the present invention is represented by Formula (1). The triepoxy compound represented by Formula (1) may be obtained typically by oxidizing a compound represented by Formula (2) with an oxidizing agent. In Formulae (1) and (2), R1 to R2° are the same as or different from one another and each represent hydrogen atom, methyl group, or ethyl group.

Abstract: Disclosed is a monomer having an electron-withdrawing substituent and a lactone skeleton, represented by Formula (1), wherein Ra represents, e.g., hydrogen or an alkyl group having 1 to 6 carbons; R1 represents, e.g., a halogen or an alkyl or haloalkyl group having 1 to 6 carbons; “A” represents an alkylene group having 1 to 6 carbons, oxygen, sulfur, or is nonbonding; “m” denotes an integer of 0 to 8; Xs each represent an electron-withdrawing substituent; “n” denotes an integer of 1 to 9; and Y represents a bivalent organic group having 1 to 6 carbons. The monomer is useful as a monomer component typically for a highly functional polymer, because, when the monomer is applied to a resist resin, the resin is stable and resistant to chemicals, is highly soluble in organic solvents, and has improved hydrolyzability and/or solubility in water after hydrolysis.

Abstract: Disclosed is a method for producing a cyclic olefin compound having two or more cyclohexene rings per molecule via intramolecular dehydration of an alicyclic alcohol having two or more hydroxylated cyclohexane rings per molecule. The method includes the step (i) of heating the alicyclic alcohol at a temperature of 130° C. to 230° C. and a pressure greater than 20 Torr in an organic solvent in the presence of a dehydration catalyst, to carry out dehydration of the alicyclic alcohol while distilling off by-product water, which dehydration catalyst is liquid or soluble in a liquid reaction mixture under the reaction conditions; and the subsequent step (ii) of heating the resulting reaction mixture at a temperature of 50° C. to 220° C. and a pressure of 200 Torr or less to recover the cyclic olefin compound as a distillate.

Abstract: Disclosed is an alicyclic diepoxy compound which gives a cured article suffering from no deterioration in properties even when used in hot and humid surroundings or used under such conditions as to give a strong acid, which is highly reactive upon curing, and which gives a cured article superior typically in thermal stability. Specifically, the alicyclic diepoxy compound includes a 3,4,3?,4?-diepoxybicyclohexyl compound represented by following Formula (1): wherein R1 to R18 each represent a hydrogen atom, a halogen atom, a hydrocarbon group which may have an oxygen atom or a halogen atom, or a substituted or unsubstituted alkoxy group, in which the alicyclic diepoxy compound contains isomers of the 3,4,3?,4?-diepoxybicyclohexyl compound in a content of less than 20% based on the total of the 3,4,3?,4?-diepoxybicyclohexyl compound and the isomers thereof in terms of peak area ratio as determined by gas chromatography.

Abstract: Disclosed is a monomer having an electron-withdrawing substituent and a lactone skeleton, represented by following Formula (1), wherein Ra represents, e.g., a hydrogen atom or an alkyl group having 1 to 6 carbon atoms; R1 represents, e.g., a halogen atom or an alkyl or haloalkyl group having 1 to 6 carbon atoms; “A” represents an alkylene group having 1 to 6 carbon atoms, oxygen atom, sulfur atom, or nonbonding; “m” denotes an integer of 0 to 8; Xs each represent an electron-withdrawing substituent; “n” denotes an integer of 1 to 9; and Y represents a bivalent organic group having 1 to 6 carbon atoms. The monomer is useful typically as a monomer component typically for a highly functional polymer, because, when the monomer is applied typically to a resist resin, the resin is satisfactory stable and resistant typically to chemicals, is highly soluble in organic solvents, and has improved hydrolyzability and/or solubility in water after hydrolysis.

Abstract: Disclosed is an alicyclic diepoxy compound which gives a cured article suffering from no deterioration in properties even when used in hot and humid surroundings or used under such conditions as to give a strong acid, which is highly reactive upon curing, and which gives a cured article superior typically in thermal stability. Specifically, the alicyclic diepoxy compound includes a 3,4,3?,4?-diepoxybicyclohexyl compound represented by following Formula (1): wherein R1 to R18 each represent a hydrogen atom, a halogen atom, a hydrocarbon group which may have an oxygen atom or a halogen atom, or a substituted or unsubstituted alkoxy group, in which the alicyclic diepoxy compound contains isomers of the 3,4,3?,4?-diepoxybicyclohexyl compound in a content of less than 20% based on the total of the 3,4,3?,4?-diepoxybicyclohexyl compound and the isomers thereof in terms of peak area ratio as determined by gas chromatography.

Abstract: Disclosed is a method for producing a cyclic olefin compound having two or more cyclohexene rings per molecule via intramolecular dehydration of an alicyclic alcohol having two or more hydroxylated cyclohexane rings per molecule. The method includes the step (i) of heating the alicyclic alcohol at a temperature of 130° C. to 230° C. and a pressure greater than 20 Torr in an organic solvent in the presence of a dehydration catalyst, to carry out dehydration of the alicyclic alcohol while distilling off by-product water, which dehydration catalyst is liquid or soluble in a liquid reaction mixture under the reaction conditions; and the subsequent step (ii) of heating the resulting reaction mixture at a temperature of 50° C. to 220° C. and a pressure of 200 Torr or less to recover the cyclic olefin compound as a distillate.

Abstract: The present invention provides a high-purity alicyclic epoxy compound in which an alicyclic olefin compound is epoxidized with an aliphaticpercarboxylic acid having substantially no water followed by the removal of a solvent to produce an alicyclic epoxy compound represented by the general formula (I) that is in turn subjected to purification by distillation to thereby the high-purity alicyclic epoxy compound wherein the concentration of high-molecular-weight components having an elution time shorter than that of the alicyclic epoxy compound in detection by a GPC analysis is 5.5% or less in terms of the area ratio, the concentration of impurities having a retention time shorter than that of the alicyclic epoxy compound in detection by a GC analysis is 19.5% or less in terms of the area ratio, the concentration of reactive intermediates is 4.