Kanagawa University

Taiyo Ink Manufacturing Co., Ltd.

Jsr Corporation

Kanagawa University and Taiyo Ink Manufacturing Co., Ltd.

Taiyo Ink Manufacuturing Co., Ltd.

Tadatomi Nishikubo

Atsushi Kameyama

Masatoshi Kusama

Masaki Sasaki

Seiya Onodera

Hiroto Kudou

Kouji Mitani

A novel calixarene compound, a method for manufacturing the same, an intermediate of the calixarene compound, and a composition comprising the same are provided. The calixarene compound is expected to be useful as an inclusion compound and, if functional groups are introduced, can be used for a curable composition and a photoresist and as an inclusion compound. The calixarene compound is shown by following formula (1): wherein Rto Rindividually represent a substituted or unsubstituted alkylene group having 1 to 8 carbon atoms; Xto Xindividually represent a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 10 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 10 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 10 carbon atoms, a substituted or unsubstituted alkoxyl group having 1 to 10 carbon atoms, or a substituted or unsubstituted phenoxy group; Zto Zindividually represent a hydrogen atom, a group having a polymerizable functional group, a group having an alkali-soluble group, or a substituted alkyl group having an alkyl chain with a 1-8 carbon atom content, or two adjacent Zs in combination represent a substituted or unsubstituted alkylene group having 1 to 8 carbon atoms; qto qindividually represent an integer of 0 or 1.

Calixarene compound, process for producing the same, intermediate therefor, and composition thereof

An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein Rrepresents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R, Rand Rindependently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated monocarboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.

Unsaturated monocarboxylic ester compounds

A photocurable and thermosetting resin composition comprising (A) a photosensitive prepolymer having a carboxyl group in combination with at least two ethylenically unsaturated double bonds in its molecule, (B) a polymerization initiator, (C) a diluent, (D) an oxetane compound having at least two oxetanyl groups in its molecule, and (E) a curing promotor is developable with an alkaline solution and can be formulated as a one package preparation. Such a photocurable and thermosetting resin composition and a photosensitive dry film prepared by the use thereof are useful as various resist materials and electrical insulating materials, particularly as solder resists for printed circuit boards, interlaminar insulating materials for build-up multi-layer printed circuit boards, and the like.

Photocurable/therosetting resin composition, photosensitive dry film formed therefrom and method of forming pattern with the same

A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a-polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a'). wherein Rrepresents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R, Rand Rindependently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.

Resin curable with actinic radiation, process for the production thereof, and photocurable and thermosetting resin composition

A printed circuit board that includes a solder resist has a photocurable and thermosetting resin composition which comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a'). wherein Rrepresents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R, Rand Rindependently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.

An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein Rrepresents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R, Rand Rindependently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated carboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.

Unsaturated carboxylic ester compound, process for producing the same, and composition curable with actinic energy ray

An unsaturated polyester compound having an ethylenically unsatureated group in its terminal and hydroxymethyl group in its side chain is obtained by the reaction of (a) a compound containing at least two oxetane rings in its molecule with (b) a compound containing at least two carboxyl groups in its molecule and (c) an unsaturated monocarboxylic acid in the presence of a reaction promotor in such a proportion that the ratio of said compound (b) to said compound (a) falls in the range of 0.1&#x3c;(b)/(a)&#x3c;1. BY further reacting (d) a polybasic acid anhydride with the resultant unsaturated polyester compound (A'), there is obtained an actinic energy ray-curable resin which is soluble in an aqueous alkaline solution. A photocurable and/or thermosetting composition is obtained by mixing the unsaturated polyester compound (A&#x2032;) and/or the actinic energy ray-curable resin with a polymerization initiator (B).

Unsaturated polyester compounds, resins curable with actinic energy ray, processes for the production thereof, and curable compositions

The photocurable and thermosetting resin composition of the present invention includes (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a photopolymerization initiator, (C) a diluent, and (D) a thermosetting component. In the general formula (1), Rrepresents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R, Rand Rindependently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.

Photocurable and thermosetting resin composition

A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a').wherein Rrepresents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R, Rand Rindependently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.

Resins curable with actinic energy ray, process for the production thereof, and photocurable and thermosetting resin composition

Photocurable/thermosetting resin composition, photosensitive dry film formed therefrom, and method of forming pattern with the same

A novel polyaddition copolymer having repetition units represented by the following general formula: ##STR1## where R: a lower alkyl group, Ar: a bisphenol compound residue, and X: a CH.sub.2 O group or a COO group, is obtained by copolymerization reaction of a bisoxetane compound represented by the following general formula: ##STR2## and a bisphenol compound.

Polyaddition copolymer and process for producing the same

A curable composition comprising a polyfunctional oxetane compound and a polyphenol compound or phenol resin, where a quaternary onium salt or Crown ether compound is preferably further contained as a curing catalyst, provides a novel use for reactions of the oxetane compound as a 4-membered cyclic ether compound.

Curable composition

Disclosed is a curable composition comprising (A) an imidazole derivative represented by the following general formula (1), which is capable of generating free imidazole by exposure to light, and (B) a polyfunctional epoxy compound: ##STR1## wherein R represents a hydrogen atom, a halogen atom, an alkyl group, an aryl group, an aralkyl group, a nitro group, a cyano group, an alkoxyl group, a phenoxy group, or an aromatic ring residue capable of forming a condensed ring in combination with a benzene ring. The composition may further incorporate therein at least one compound selected from the group consisting of polyfunctional phenol compounds, polyfunctional carboxylic acids, acid anhydrides, and amine compounds.

Growing community of inventors

Fujisawa, Japan

Tadatomi Nishikubo