Nippon Zeon Company, Ltd.

Nippon Oil Company

Harima Chemicals, Incorporated

Vantico Limited

Casco Nobel Ab

Shizuo Kitahara

Nagatoshi Sugi

Toshihiro Fujii

Yoshitsugu Hirokawa

Haruki Kawada

Hiroaki Hasegawa

Akira Yoshioka

Yutaka Shikatani

Yoshihide Ishikawa

Tetuya Toyoshima

Michio Miyamoto

Shinsuke Hasegawa

Eitaro Nakamura

Hiroyuki Watanabe

Yoichiro Kubo

Jun Saito

Jinichi Igarashi

Takafumi Kawanaka

Kohkichi Noguchi

Hiromitsu Kikuchi

Shinya Ikeda

Takuji Kishimoto

Ichiro Kawabuchi

Fumio Yamada

Junichi Igarashi

Nobuo Nagata

Tsuyoshi Yamamoto

Hiroshi Hayashi

Kazuhisa Kanefuji

Hiromoto Inoura

Akio Oda

Shigeru Kinomoto

Fujito Nakakawaji

An unsaturated polyester (i) having a weight-average molecular weight (Mw) of 1,000-100,000 and at least two carbon-carbon unsaturated bonds in the molecule thereof obtained by esterifying an unsaturated carboxylic acid (b) with a polyester-polyol (a) obtained by subjecting a polybasic carboxylic acid containing polymerized fatty acid and/or polymerize fatty acid ester to polycondensation with a polyhydric alcohol; and an unsaturated (poly)urethane having Mw of 1,000-100,000 and at least two carbon-carbon unsaturated bonds in molecule obtained by reacting said polyester-polyol (a), polyisocyanate (d) and compound (e) having active hydrogen and polymerizable carbon-carbon unsaturated bond. Said unsaturated polyester and unsaturated (poly)urethane exhibit excellent adhesive property, heat resistance, water resistance and flexibility after being cured.

Polymerizable unsaturated compounds, curable resin compositions containing the same, and products of curing thereof

Polyester, process for the production of the same, resin or rubber

An oil-soluble polyester having a weight average molecular weight of 10,000 to 1 000,000, which is a polycondensate prepared by polycondensing the following ingredients (A), (B) and (C):

Oil-soluble polyester, additive for lubricating oil, and lubricating oil

An oil-soluble polyester having a weight average molecular weight of 10,000 to 1,000,000, which is a polycondensate prepared by polycondensing the following ingredients (A) and (B): (A) a dicarboxylic acid ingredient, and (B) a diol ingredient comprising (i) a hindered glycol represented by the following formula: HO--CH.sub.2 --CR.sup.1 R.sup.2 --CH.sub.2 --OH wherein R.sup.1 and R.sup.2 independently represent a linear or branched alkyl group, and (ii) an alkylene glycol having at least 4 carbon atoms in the main chain. This oil-soluble polyester is useful as an additive for a lubricating oil.

A sludge dispersing agent for fuel oils includes a polymer having at least one &gt;C.dbd.N.sup.+ &lt; bond in its molecule and at least one compound selected from the group consisting of long-chain alkyl phosphates and alkyl sulfosuccinates and salts thereof.

Sludge dispersing agent for fuel oil and fuel oil composition containing

An additive for improving the dispersibility of a particulate substance in an organic medium, a thermoplastic polymer, or a thermosetting resin, is at least one compound having a ##STR1## bond in the molecule, including, for example, compounds having an oxazolinium ion in the molecule. The preferred additive compounds are oligomeric or polymeric.

Additive for organic medium or thermoplastic polymer

Colored spherical fine particles, process for production thereof and

A rubber composition comprising a rubbery polymer and a modified liquid polymer. The modified liquid polymer is obtained by reacting a liquid polymer having at least one carbon-carbon double bond in the molecule with an organic compound having the group --CH.dbd.N-- and an organic acid halide having the group --COX where X is halogen, in the presence of a Friedel-Crafts catalyst.

Rubber composition containing rubbery polymer and modified liquid polymer

Disclosed herein is a process for the preparation of a toner, which comprises dissolving or dispersing a compound having at least one &gt;C.dbd.N.sup..sym. &lt; bond in its molecule and a colorant in a vinyl monomer and then suspension-polymerizing the vinyl monomer in an aqueous dispersion medium.

Preparation process of toner

Disclosed is a magnetic recording medium comprising a non-magnetic support and a magnetic layer composed mainly of a ferromagnetic powder and a binder, which is formed on one surface of the support, and an optional backcoat layer composed mainly of a non-magnetic powder and a binder, which is formed on the other surface of the support. At least one of the magnetic layer and the backcoat layer contains a compound having at least one &gt;C.dbd.N.sup..sym. &lt; bond in the molecule. When preparing the magnetic recording medium, the magnetic powder or non-magnetic powder may be surface-treated with the &gt;C.dbd.N.sup..sym. &lt; group-containing compound.

Magnetic recording medium comprising a magnetic layer or backcoat layer

A compatibilizing agent for improving the compatibility between different polymers which are poorly compatible with each other, comprising a polymer having at least one heterocyclic ring structure containing a &gt;C.dbd.N.sup..sym. &lt; bond in the molecule and a polymer blend composition comprising different polymers which are poorly compatible with each other and such a compatibilizing agent.

Compatibilizing agent and polymer blend composition using the same

A crosslinked polymer having shape memorizing property, said crosslinked polymer being obtained by thermally reversibly crosslinking a base polymer composed of a blocked copolymer of an aromatic vinyl monomer and a conjugated diene monomer, the base polymer having a glass transition temperature of 70.degree. to 140.degree. C., and the glass transition temperature being higher than the dissociation temperature of the thermally reversible crosslinkage contained in the crosslinkage polymer.

Novel crosslinked polymer having shape memorizing property, method of

A method for improving the physical properties of a rubber having --C(CH.sub.3).dbd.C-- type unsaturated bonds, characterized by subjecting said rubber to two reactions consisting of a modification reaction by Lewis acid and a carboxylation reaction in any desired order.

Method for improving rubbers

A method for modifying a rubber having unsaturated bonds, characterized by reacting said rubber with (a) an organic compound (I) having a group represented by the formula --CH.dbd.N-- and (b) an organic acid halide (II) having a group represented by the formula --COX (X is a halogen atom), in the place of a Lewis acid.

Method for modifying rubbers

A process for the addition reaction of an unsaturated organic compound, except a rubber, having at least one carbon-carbon double bond in a molecule, which comprises reacting the unsaturated organic compound with an organic compound having a carboxyl group and an aldehyde group in the presence of a Lewis acid.

Process for addition reaction of unsaturated organic compounds

Growing community of inventors

Kawaguchi, Japan

Shizuo Kitahara