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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Nakagawa; Yoshiki
Address:
Kobe, JP
No. of patents:
35
Patents:












Patent Number Title Of Patent Date Issued
7388038 Curable compositions June 17, 2008
The present invention has for its object to provide a curable composition which, despite its low viscosity, gives a cured product with a high gel fraction, low residual tack, low modulus, high elongation, and good flexibility.The present invention relates to a curable composition com
7360569 Pneumatic tire with tread including circumferential rib region, block regions and sipes April 22, 2008
It is a subject to improve wet performances and noise performances while restricting degradations in dry performances, and for solving this subject, the pneumatic tire is comprised of a tread grounding surface that is partitioned into four to five regions by three to four main groove
7342076 Polymers and curable compositions March 11, 2008
The present invention is concerned with a vinyl polymer having at least one group of the general formula (1) permolecule at the molecular chain terminus. --Z--R--CR.sup.1.dbd.CR.sup.2R.sup.3 (1) wherein Z represents an oxygen atom, a sulfur atom, a group of the formula NR', R' represent
7316255 Pneumatic tire and method of manufacturing the same January 8, 2008
A pneumatic tire comprises: a carcass ply turned up around a bead core in each bead portion from the inside to the outside of the tire so as to form a pair of turnup portions and a main portion therebetween; a bead apex disposed between the carcass ply turnup portion and main portion;
7304108 Polymer, process for producing the polymer, and curable composition containing the polymer December 4, 2007
A vinyl polymer having, at a molecular chain terminus, a structure represented by the general formula 1: ##STR00001## (wherein R.sup.3 is a hydroxy, amino, epoxy, carboxylic acid, ester, ether, amide or silyl group, an alkenyl group having low polymerizability, an organic compound h
7244788 Polymer and process for producing polymers July 17, 2007
A method of producing a polymer or a stellar polymer which comprises polymerizing a vinyl monomer in the manner of living radical polymerization and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of the polymerization.A composition whic
7223817 Polymer, processes for producing polymer and composition May 29, 2007
The present invention relates to a vinyl polymer terminated in a silanol group, a hydrolyzable silyl group or an acrylic functional group, to a method of producing a vinyl polymer having a hydrolyzable silyl group at one or more termini thereof which comprises reacting a vinyl polymer
7202310 Polymers, processes for producing the same, and curable compositions produced therefrom April 10, 2007
An alkenyl- or crosslinkable silyl-terminated vinyl polymer is provided. Such a functional group is introduced into its terminus at a high ratio, not via sulfur atoms. Those polymers can be prepared by polymerizing a vinyl monomer for obtaining a halogen-terminated vinyl polymer, and the
7196141 Polymer and epoxy resin compositions March 27, 2007
The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living-radical polymerization and has a reactive functional group a
7129294 Functional groups-terminated vinyl polymers October 31, 2006
A vinyl polymer which has at least one terminal functional group per molecule and has a ratio of weight average molecular weight to number average molecular weight of less than 1.8 as determined by gel permeation chromatography, said terminal functional group being a crosslinking silyl
7081494 Curable compositions July 25, 2006
The present invention has for its object to provide a curable composition which, despite its low viscosity, gives a cured product with a high gel fraction, low residual tack, low modulus, high elongation, and good flexibility.The present invention relates to a curable composition com
7056983 Block copolymer June 6, 2006
Processes for producing an AB block copolymer, an ABA block copolymer or a multiblock copolymer are provided, which comprises adding an alkenyl-containing polymer (I) to a living or to an atom transfer radical polymerization system or a living cationic polymerization system.
7030194 Method of treating polymer April 18, 2006
To eliminate a halogen group of a halogen group-terminated vinyl polymer, the present invention provides a method to treat said polymer with an oxy anion compound to thereby eliminate a terminal halogen group easily. Thus, it is possible to improve the storage stability of the polymer or
6979716 Process for producing branched polymer and polymer December 27, 2005
This invention is related to a production method of a branched polymer which comprises polymerizing a macromonomer [I], said macromonomer [I] being a vinyl polymer obtainable by radical polymerization and terminally having one polymerizable carbon--carbon double bond-containing group p
6964999 Polymer and curable composition November 15, 2005
A vinyl polymer having at least one terminal group of the general formula (1) per molecule;wherein R represents hydrogen or an organic group containing 1 to 20 carbon atoms; a curable composition containing said polymer; an aqueous emulsion containing either said polymer or said curabl
6943219 Polymer and epoxy resin compositions September 13, 2005
The present invention provides a vinyl polymer with an epoxy group terminally introduced therein and an epoxy resin composition comprising (A) an epoxy resin and (B) a vinyl polymer which has a main chain produced by living radical polymerization and has a reactive functional group at a
6933350 Polymers having reactive functional groups at terminus and curable compositions comprising the s August 23, 2005
A vinyl polymer having at least one group of the general formula (1) per molecule at the molecular chain terminus.wherein Z represents an oxygen atom, a sulfur atom, a group of the formula NR', R' represents a univalent hydrocarbon group containing 1 to 20 carbon atoms, or a bivalent org
6930147 Polymer, processes for producing polymer, and composition August 16, 2005
The present invention relates to a vinyl polymer terminated in a silanol group, a hydrolyzable silyl group or an acrylic functional group, to a method of producing a vinyl polymer having a hydrolyzable silyl group at one or more termini thereof which comprises reacting a vinyl polymer
6887936 Polymer, process for producing the polymer, and curable composition containing the polymer May 3, 2005
A vinyl polymer having, at a molecular chain terminus, a structure represented by the general formula 1: ##STR1##(wherein R.sup.3 is a hydroxy, amino, epoxy, carboxylic acid, ester, ether, amide or silyl group, an alkenyl group having low polymerizability, an organic compound having
6864317 Curable compositions March 8, 2005
The present invention provides a heat-curable composition gives cured phenolic resin products having excellent flexibility; the present invention relates to a heat-curable composition comprising (A) a vinyl polymer having at least one phenol group at the main-chain terminus and (B) a
6720395 Method for producing a stellar polymer April 13, 2004
A method of producing a stellar polymer which comprises polymerizing a vinyl monomer in the manner of living radical polymerization and adding a compound having two or more polymerizable carbon-carbon double bonds at the end point of the polymerization is provided. A composition which
6699944 Acrylic rubber composition March 2, 2004
An acrylic rubber composition providing crosslinked products of good handleability and good characteristics is provided. The acrylic rubber composition comprises the following two components: (A) an acrylic polymer having at least one active halogen represented by the formula (1) at a
6660399 Composition for roller and roller therefrom December 9, 2003
A composition for roller for an electronic copying machine or printer which comprises a vinyl polymer (A) having at least one alkenyl group per molecule, and a roller as fabricated using said composition for roller.The present invention provides a composition for roller for an electronic
6653429 Process for producing polymer, the polymer, and curable composition comprising the polymer November 25, 2003
This invention provides method of producing a polymer which comprises substitution of carboxylic acid group for a terminal halogen group of a polymer obtainable by atom transfer radical polymerization. The carboxylic acid group may be a carboxylic acid salt group, more preferably a c
6649701 Polymer and process for producing polymer November 18, 2003
The present invention has for its object to provide a polymer available upon coupling of polymers of radical-polymerizable olefin monomer or monomers and a process for producing said polymer.The present invention is concerned with a method for effecting polymer-polymer coupling in the li
6555622 Composition of epoxy resin and reactive vinyl polymer produced by living radical polymerization April 29, 2003
A composition comprises (A) an exopy resin and (B) a vinyl polymer having a reactive functional group selected from the group consisting of an alcoholic hydroxyl, phenolic hydroxyl, amino, amido and carboxyl group prepared by living radical polymerization, particularly the atom transfer
6482900 Polymer, process for producing the polymer, and curable composition containing the polymer November 19, 2002
A vinyl polymer having, at a molecular chain terminus, a structure represented by the general formula 1: ##STR1##(wherein R.sup.3 is a hydroxy, amino, epoxy, carboxylic acid, ester, ether, amide or silyl group, an alkenyl group having low polymerizability, an organic compound having
6479584 Resin composition, polymer, and process for producing polymer November 12, 2002
The invention provides a resin composition comprising a crosslinking silyl-terminated stellar-structure vinyl polymer or a stellar-structure vinyl block copolymer or chain-extended vinyl block copolymer.The invention provides a method of producing a stellar-structure vinyl block copolyme
6458903 Polymerization method October 1, 2002
This invention is related to a polymerization method wherein an atom transfer radical polymerization of a vinyl monomer is carried out under at least one condition selected from the group consisting of the following (1), (2), (3) and (4): (1) in a substantially anhydrous system; (2)
6423787 Polymers, processes for producing the same, and curable compositions produced therefrom July 23, 2002
An alkenyl- or crosslinkable silyl-terminated vinyl polymer is provided. Such a functional group is introduced into its terminus at a high ratio, not via sulfur atoms. Those polymers can be prepared by polymerizing a vinyl monomer for obtaining a halogen-terminated vinyl polymer, and the
6407146 Curable composition June 18, 2002
A curable composition which comprises the following two components: (I) a vinyl polymer having at least one crosslinkable silyl group represented by the general formula (1) given below, and (II) an epoxy resin or a polyether polymer having at least one crosslinkable silyl group;{wherein
6388006 Self-adhesive composition May 14, 2002
A pressure sensitive adhesive composition which comprises the following two components:(A) a vinyl polymer having at least one alkenyl group represented by the general formula (1):wherein R.sup.1 represents a hydrogen atom or a methyl group;(B) a hydrosilyl group-containing compound is provi
6274688 Functional groups-terminated vinyl polymers August 14, 2001
A vinyl polymer which has at least one terminal functional group per molecule and has a ratio of weight average molecular weight to number average molecular weight of less than 1.8 as determined by gel permeation chromatography, said terminal functional group being a crosslinking silyl
6194516 Method for producing hydroxyl-terminated (meth) acrylic polymer February 27, 2001
A method for producing a hydroxyl-terminated (meth) acrylic polymer which comprises converting a halogen atom in a terminal structure of the general formula (1)wherein R.sup.1 is hydrogen or methyl, R.sup.2 is alkyl containing 1 to 20 carbon atoms, aryl containing 6 to 20 carbon atoms or
5852129 Method for producing hydroxyl-terminated (meth) acrylic polymer December 22, 1998
A method for producing a hydroxyl-terminated (meth) acrylic polymer which comprises converting a halogen atom in a terminal structure of the general formula (1)wherein R.sup.1 is hydrogen or methyl, R.sup.2 is alkyl containing 1 to 20 carbon atoms, aryl containing 6 to 20 carbon atoms or










 
 
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