Nitrogen Patents (Class 522/116)
-
Patent number: 6727035Abstract: The present invention relates to a photocurable liquid resin composition comprising: (A) a cationically polymerizable organic compound; (B) a cationic photopolymerization initiator; (C) an ethylenically unsaturated monomer; (D) a radical photopolymerization initiator; (E) a polyether polyol compound having one or more hydroxyl groups in one molecule; and, optionally, includes elastomer particles having a specific particle diameter and/or an epoxy-branched alicyclic compound.Type: GrantFiled: August 8, 2001Date of Patent: April 27, 2004Assignees: DSM N.V., JSR Corporation, Japan Fine Coatings Co., Ltd.Inventors: Tetsuya Yamamura, Akira Takeuchi, Tsuyoshi Watanabe, Takashi Ukachi
-
Patent number: 6726795Abstract: A radiation-curable composition which includes a cyanoacrylate component or a cyanoacrylate-containing formulation; a metallocene component; and a polymerizingly effective amount of a photoinitiator to accelerate the rate of cure is provided.Type: GrantFiled: February 20, 2002Date of Patent: April 27, 2004Inventors: Stan Wojciak, Shabbir Attarwala
-
Publication number: 20040063035Abstract: The invention provides a stereolithographic resin composition including a photo-curable component, a resin having a function of causing a reversible, quick sol-gel phase transition based on temperature change, and a filler, and a stereolithographic method using the resin composition.Type: ApplicationFiled: September 26, 2003Publication date: April 1, 2004Applicant: FUJI PHOTO FILM CO., LTD.Inventors: Kazuhiko Nagano, Yoji Okazaki, Takeshi Fujii, Hiromi Ishikawa
-
Patent number: 6693142Abstract: The objective of the present invention is to provide a production method by which a polymer of a functional group-terminated vinyl monomer can be easily and practically produced. Further, it is another object of the present invention to provide a functional group-terminated vinyl polymer which is useful as a material for the production of various functional products. The first aspect of the present invention is concerned with a production method of a functional group-terminated vinyl polymer comprising a step of synthesizing a halogen atom-terminated vinyl polymer by the radical polymerization reaction of a vinyl monomer in the presence of a halogen compound and a step of introducing a functional group to a terminus by substituting a functional group-containing group for the terminal halogen atom of said vinyl polymer.Type: GrantFiled: June 24, 2002Date of Patent: February 17, 2004Assignee: Sekisui Chemical Co., Ltd.Inventors: Takeshi Wakiya, Takamaro Kakehi
-
Patent number: 6686161Abstract: The present invention provides solid supports (e.g., glass) and polymer hydrogels (particularly polymer hydrogel arrays present on a solid support) comprising one or more reactive sites for the attachment of biomolecules, as well as biomolecules comprising one or more reactive sites for attachment to solid supports and polymer hydrogels. The invention further provides novel compositions and methods for the preparation of biomolecules, solid supports, and polymer hydrogels comprising reactive sites. The invention also provides for preparation of crosslinked solid supports, polymer hydrogels, and hydrogel arrays, wherein one or more biomolecules is attached by means of the reactive sites in a photocycloaddition reaction. Advantageously, according to the invention, crosslinking of the hydrogel and attachment of biomolecules can be done in a single step.Type: GrantFiled: October 11, 2001Date of Patent: February 3, 2004Assignee: Amersham Biosciences ABInventors: Travis Johnson, John McGowen, Allyson Beuhler, Charles Kimball Brush, Robert Emil Lajos
-
Patent number: 6680144Abstract: A method for producing a battery separator is disclosed. The method comprises applying a coating of an ethylenically unsaturated monomer to the fibers of a non-woven sheet and polymerizing the monomer in situ on the fiber surfaces. The non-woven sheet is from 50 to 3000 microns thick, and is composed of polyolefin fibers having an average fiber diameter from 0.5 to 5 microns and a surface area from 0.2 to 30 square meters per gram.Type: GrantFiled: May 6, 2002Date of Patent: January 20, 2004Assignee: KVG Technologies, Inc.Inventor: Wai M. Choi
-
Patent number: 6670100Abstract: A positive type actinic ray-curable (dry film having, on the surface of a non-actinic ray-curable substrate, a solid positive type actinic ray-curable urethane resin layer formed from (1) a resin composition containing, as essential components, (A1) an ether linkage-containing olefinicaly unsaturated compound, (B1), an acid group-containing urethane resin having a weight average molecular weight of 1,000 to 200,000 and an acid group content in the range of 0.Type: GrantFiled: May 18, 2000Date of Patent: December 30, 2003Assignee: Kansai Paint Co., Ltd.Inventors: Takeya Hasegawa, Genji Imai
-
Patent number: 6664061Abstract: [2+2] photo-attachable functional groups were incorporated in polyacrylamide based hydrogels and synthetic oligonucleotide probes. The probes were photochemically attached by covalent bonding to the three dimensional surface of a hydrogel.Type: GrantFiled: August 9, 2001Date of Patent: December 16, 2003Assignee: Amersham Biosciences ABInventors: Robert Elghanian, Charles K. Brush, Yanzheng Xu
-
Patent number: 6632854Abstract: A process for producing polypropylene having increased melt strength, the process comprising irradiating polypropylene with an electron beam having an energy of at least 5 MeV and with a radiation dose of from 5 to 100 kGray in the presence of a grafting agent for forming long chain branches on the polypropylene molecules.Type: GrantFiled: February 4, 2002Date of Patent: October 14, 2003Assignee: Atofina Research, S.A.Inventor: Yves Charlier
-
Patent number: 6620887Abstract: Crosslinked fine particles having a Tg of 100° C. or higher and an amount of remaining double bonds of 0.01 mmol/g or more, which are obtainable by polymerizing a compound (a1) having one or two radical-polymerizable ethylenic unsaturated groups in the molecule and a compound (a2) having three or more (meth)acryloyl groups in the molecule.Type: GrantFiled: June 25, 2001Date of Patent: September 16, 2003Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Juichi Fujimoto, Seiji Nushi, Hiroshi Fukushima
-
Patent number: 6620857Abstract: By means of a curing process combining thermal and UV curing it is possible, using compositions comprising (A) a coating system based on a polyacrylate polyol or polyester polyol with melamine, or a polyacrylate polyol and/or polyester polyol with a blocked or unblocked polyisocyanate, or a carboxyl-, anhydride- or amino-functional polyester and/or polyacrylate with an epoxy-functional polyester or polyacrylate, (B) an OH—, NH2—, COOH—, epoxy- or NCO-functional resin containing, in addition, at least one ethylenically unsaturated double bond, which is separated from the functional group by a spacer group, and (C) at least one photoinitiator, to obtain coatings having good surface properties.Type: GrantFiled: May 3, 2001Date of Patent: September 16, 2003Assignee: Ciba Specialty Chemicals CorporationInventor: Andreas Valet
-
Patent number: 6616885Abstract: A manufacturing method comprising the steps of forming at first solidified wax layer of a desired shape, depositing onto the first solidified wax layer at least one layer of a liquid resin formulation, solidifying the layer of liquid resin formulation, depositing a second wax layer on to the combination of the first solidified wax layer and the layer of solidified resin formulation, solidifying the second wax layer, and separating the solidified resin formulation from first and second wax layers. Preferably, the resin formulation comprises at least one monofunctional water soluble vinyl or acrylic monomer in combination with a low molecular weight aliphatic polymer having acrylic or methacrylic acid functionality. The solidified wax and resin formulation layers can be machined as may be desired to form mold of a given shape comprising wax layers when the layer of formulation is separated from the wax layers.Type: GrantFiled: October 4, 2001Date of Patent: September 9, 2003Assignee: Advanced Ceramics Research, Inc.Inventors: John Lang Lombardi, Gregory John Artz
-
Patent number: 6610762Abstract: An adhesive composition which is switchable under irradiation to change from a tacky to a less tacky state which includes a switchable polymer. The polymer comprises a backbone polymeric moiety bound to a plurality of curable moieties, each of which comprises a free-radically active group and has an amine functionality. Also, the switchable polymer, processes for producing such polymers and compositions, and switchable adhesive articles comprising the adhesive compositions, such as light-switchable pressure sensitive adhesive dressings, and methods of using such articles.Type: GrantFiled: May 9, 2000Date of Patent: August 26, 2003Assignee: Smith & Nephew PlcInventor: Iain Webster
-
Patent number: 6596786Abstract: There is provided a radiation-curable coating composition containing oligomers that each have two end groups X1 and X2, wherein the end groups X1 and X2, which may be the same or different, are a photoinitiator group or an adhesion promoter group. The coating composition may exclude the presence of non-reactive photoinitiator groups and non-reactive adhesion promoter groups, each of which would fail to covalently bond itself to an oligomer backbone.Type: GrantFiled: August 17, 2001Date of Patent: July 22, 2003Assignee: AlcatelInventors: Michael B. Purvis, Igor V. Khudyakov, Bob Overton, Todd W. Gantt
-
Publication number: 20030134929Abstract: Multicomponent system curable thermally and with actinic radiation, comprising A) an isocyanate-reactive binder comprising A1) at least one unsaturated polyester whose molecule contains on average at least one group that can be activated with actinic radiation, of the formulae I, II and/or III 1Type: ApplicationFiled: December 11, 2002Publication date: July 17, 2003Inventors: Rainer Blum, Maxime Allard
-
Publication number: 20030087982Abstract: A method of modifying a polymeric material which comprises the steps of activation-treatment and a hydrophilic polymer-treatment, or comprises the steps of activation-treatment, a hydrophilic polymer-treatment, and monomer grafting in this order, or comprises the step of a solvent-treatment followed by these steps. Thus, the polymeric material, e.g., polyolefin, is improved in hydrophilicity, adhesion, etc. without lowering the practical strength thereof The polymeric material thus improved in adhesion and other properties can be used in many applications where water absorption and adhesion are required, such as an absorption material, e.g., a wiping/cleansing material, a water retention material, a material for microorganism culture media, a separator for batteries (or cells), a synthetic paper, a filter medium, a textile product for clothing, a medical/sanitary/cosmetic supply, and reinforcing fibers for composite materials.Type: ApplicationFiled: August 27, 2001Publication date: May 8, 2003Inventor: Hitoshi Kanazawa
-
Publication number: 20030078314Abstract: The present invention provides solid supports (e.g., glass) and polymer hydrogels (particularly polymer hydrogel arrays present on a solid support) comprising one or more reactive sites for the attachment of biomolecules, as well as biomolecules comprising one or more reactive sites for attachment to solid supports and polymer hydrogels. The invention further provides novel compositions and methods for the preparation of biomolecules, solid supports, and polymer hydrogels comprising reactive sites. The invention also provides for preparation of crosslinked solid supports, polymer hydrogels, and hydrogel arrays, wherein one or more biomolecules is attached by means of the reactive sites in a photocycloaddition reaction. Advantageously, according to the invention, crosslinking of the hydrogel and attachment of biomolecules can be done in a single step.Type: ApplicationFiled: October 11, 2001Publication date: April 24, 2003Applicant: Motorola Inc.Inventors: Travis Johnson, John McGowen, Allyson Beuhler, Charles Kimball Brush, Robert Emil Lajos
-
Publication number: 20030073755Abstract: A radiation polymerisable composition comprising: (A) a donor/acceptor component for forming a charge transfer complex said component being selected from the group consisting of: (iii) a bifunctional compound having an electron donor group and an electron withdrawing group and a polymerisable unsaturated group; (iv) a mixture of (a) at least one unsaturated compound having an electron donor group and a polymerisable unsaturated moiety; and (b) at least one unsaturated compound having an electron acceptor group and a polymerisable unsaturated group; and (B) a binder polymer composition.Type: ApplicationFiled: March 27, 2002Publication date: April 17, 2003Inventors: John Lyndon Garnett, Allan Darley Matthews
-
Publication number: 20030054170Abstract: Crosslinked fine particles having a Tg of 100° C. or higher and an amount of remaining double bonds of 0.01 mmol/g or more, which are obtainable by polymerizing a compound (a1) having one or two radical-polymerizable ethylenic unsaturated groups in the molecule and a compound (a2) having three or more (meth)acryloyl groups in the molecule.Type: ApplicationFiled: June 25, 2001Publication date: March 20, 2003Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Juichi Fujimoto, Seiji Nushi, Hiroshi Fukushima
-
Patent number: 6518327Abstract: Graft copolymers are prepared, in a non-oxidizing atmosphere, by (1) irradiating a particulate olefin polymer material with high energy ionizing radiation, (2) treating the irradiated olefin polymer material with at least one grafting monomer that is capable of forming side chains on the olefin polymer material, in the presence of at least one additive to control the molecular weight of the side chains of the polymerized grafting monomer selected from (a) at least one hydroxylamine derivative polymerization inhibitor, and (b) at least one thio-, nitro-, or halogen-substituted aliphatic or aromatic compound or an aliphatic or aromatic phosphine derivative, and (3) deactivating the residual free radicals in the resulting grafted olefin polymer material and removing any unreacted vinyl monomer from the material. Graft copolymers with low molecular weight side chains are produced that are easier to process and have improved internal and surface morphology.Type: GrantFiled: November 2, 2000Date of Patent: February 11, 2003Assignee: Basell Poliolefine Italia S.p.A.Inventors: Vu A. Dang, Tam T. M. Phan, Jeanine A. Smith, Cheng Q. Song
-
Patent number: 6515039Abstract: The invention relates to a method for the parallel and combinatory synthesis of compounds bound to a continuous polymeric solid phase supporting material. According to the method, a continuous polymeric solid phase supporting material is prepared, the material comprising a matrix of a supporting polymeric material and graft copolymer chains covalently bound to the supporting matrix, the graft copolymer chains having reactive groups being able to react with organic compounds, thereby forming spatially defined reaction sites. The method then comprises the sequential spotting of synthesis building blocks or reagents at the various reaction sites on the continuous solid phase supporting material to yield a substrate library of compounds bound to the solid phase supporting material, whereby each reaction site on the continuous solid phase supporting material determines the composition of the synthesized compound, which is bound directly on the supporting matrix via the reactive groups of the graft polymer chain.Type: GrantFiled: June 15, 2000Date of Patent: February 4, 2003Assignee: Poly-An GmbHInventors: Mathias Ulbricht, Rudolf Volkmer-Engert, Lothar Germeroth, Holger Wenschuh
-
Publication number: 20020183414Abstract: A composition and method that provides a chemically grafted coating onto a substrate. The composition comprises an acrylate and a grafting initiator. The acrylate may be a waterborne urethane acrylate. The composition may also comprise resistance agents, adhesion agents, UV curing photoinitators, defoaming agents, and/or deglossing agents. The substrate may be any wood or plastic, but works well with heat shrinkable polyolefin tubing. The composition may also be quick curing such that the coating from the composition may be cured under a D bulb and an H bulb at a rate of 100-160 feet/minute. The coating on the substrate resists delamination and wear. The coating may have indicia printed on the coating, the indicia being composed from ink or other printable materials.Type: ApplicationFiled: June 17, 2002Publication date: December 5, 2002Applicant: Sumitomo ElectricInventors: Mohan LalSanduja, Paul Thotttathil, Ella Mayslich, Carl Horowitz
-
Publication number: 20020165291Abstract: A method for producing a battery separator is disclosed. The method comprises applying a coating of an ethylenically unsaturated monomer to the fibers of a non-woven sheet and polymerizing the monomer in situ on the fiber surfaces. The non-woven sheet is from 50 to 3000 microns thick, and is composed of polyolefin fibers having an average fiber diameter from 0.5 to 5 microns and a surface area from 0.2 to 30 square meters per gram.Type: ApplicationFiled: May 6, 2002Publication date: November 7, 2002Inventor: Wai Ming Choi
-
Patent number: 6476092Abstract: A photopolymerizable composition which is capable of successfully ensuring both high sensitivity and excellent storage stability is provided as a radical photopolymerization-system composition which is highest in the sensitivity and very promising out of the image-forming techniques. The photopolymerizable composition comprises a polymerizable group-containing compound having a specific structure set forth below wherein X1 and X2 each independently represent a group containing a hetero atom wherein the hetero atom is in the &agr;-position or a halogen atom and a photopolymerization initiator.Type: GrantFiled: September 20, 2000Date of Patent: November 5, 2002Assignee: Fuji Photo Film Co., Ltd.Inventor: Kazuto Kunita
-
Publication number: 20020160295Abstract: A photopolymerizable composition that is cured with visible light or an infrared laser and is used as a recording layer in a negative planographic printing plate precursor. The photopolymerizable composition is cured by exposure and includes (A) a polymerizable compound that is solid at 25° C. and has at least one radical-polymerizable ethylenically unsaturated double bond in a molecule, (B) a radical polymerization initiator, (C) a binder polymer and, as required, (D) a compound generating heat by infrared exposure.Type: ApplicationFiled: February 14, 2002Publication date: October 31, 2002Inventors: Keitaro Aoshima, Kazuhiro Fujimaki
-
Patent number: 6472451Abstract: A UV-curable acrylate base adhesive composition for digital versatile discs and other substrates, a method for bonding verstile digital disc layers together with a UV-curable adhesive, and a digital versatile disc bonded by a UV-curable or a radiation curable adhesive. The adhesive comprises acrylate functional components, non-acrylate reactive diluents (e.g. having acrylamide, or N-vinyl functionality) and thiol compounds.Type: GrantFiled: August 24, 1999Date of Patent: October 29, 2002Assignee: DSM N.V.Inventors: Chau Thi Minh Ha, Vadim V Krongauz, Rajni Jaria, Michael G. Sullivan
-
Patent number: 6419858Abstract: This invention is directed to a process for the rapid in-situ curing of polymerizable materials to provide macromolecular networks and articles of manufacture that are “morphology-trapped”; that is, they exhibit a fixed phase morphology and/or molecular orientation that is locked in by the curing step. The process includes the steps of mixing together a dead polymer, a reactive plasticizer and an initiator to give a polymerizable composition; further processing the mixture in order to achieve a desired phase morphology and/or molecular orientation of the polymeric constituents; shaping the polymerizable composition into a desired geometry; and exposing the polymerizable composition to a source of polymerizing energy, without mixing, to give a final product with the desired phase morphology and/or molecular orientation locked in place.Type: GrantFiled: June 13, 2000Date of Patent: July 16, 2002Assignee: ZMS, LLCInventors: Michael R. Houston, Toshiaki Hino, David S. Soane
-
Publication number: 20020086914Abstract: Low viscosity, radiation curable fluid formulations that can be used advantageously as radiation curable, inks. The formulations are easily prepared for use in ink jet systems. The viscosity of the compositions is low enough so that conventional solvent is not required in order to satisfy the requisite low ink jet viscosity specifications. After curing, the compositions form durable, weatherable, abrasion resistant, printed images on a wide variety of porous and nonporous substrates. The formulations are very suitable for outdoor printing applications, especially for printing outdoor graphics onto a variety of surfaces, including vinyl or other polymer films commonly used for signage, retroreflective signage or other retroreflective items.Type: ApplicationFiled: November 7, 2001Publication date: July 4, 2002Applicant: 3M Innovative Properties CompanyInventors: Jennifer L. Lee, Ronald K. Thery, Caroline M. Ylitalo, Richard L. Severance, Dong Wu, Bruce A. Nerad, Verna J. LeMire, James G. Carlson, William J. Hunt
-
Patent number: 6413629Abstract: An easy adhesion film for a transparent conductive thin film comprises a transparent polymer film and an easy adhesion layer formed on the transparent polymer film, wherein the easy adhesion layer comprises at least an ionizing radiation curable resin binder, a (meth)acrylate copolymer binder and polymethyl methacrylate resin particles. The easy adhesion film has high durability, transparency and anti-Newton ring property when provided with a transparent conductive thin film.Type: GrantFiled: February 29, 2000Date of Patent: July 2, 2002Assignee: Kimoto Co., Ltd.Inventor: Yoshihisa Kimura
-
Patent number: 6372813Abstract: The present invention provides solid supports (e.g., glass) and polymer hydrogels (particularly polymer hydrogel arrays present on a solid support) comprising one or more reactive sites for the attachment of biomolecules, as well as biomolecules comprising one or more reactive sites for attachment to solid supports and polymer hydrogels. The invention further provides novel compositions and methods for the preparation of biomolecules, solid supports, and polymer hydrogels comprising reactive sites. The invention also provides for preparation of crosslinked solid supports, polymer hydrogels, and hydrogel arrays, wherein one or more biomolecules is attached by means of the reactive sites in a photocycloaddition reaction. Advantageously, according to the invention, crosslinking of the hydrogel and attachment of biomolecules can be done in a single step.Type: GrantFiled: June 25, 1999Date of Patent: April 16, 2002Assignee: MotorolaInventors: Travis Johnson, John McGowen, Allyson Beuhler, Charles Kimball Brush, Robert Emil Lajos
-
Patent number: 6362249Abstract: A radiation-curable, optical fiber coating composition has enhanced color stabilization and is formulated from a composition containing at least one radiation-curable oligomer or monomer. A concentration of urethane and ether linkages in the radiation-curable composition is such that a cured optical fiber coating formed from said radiation-curable composition exhibits a &Dgr;E of about 40 or less after being exposed for 96 hours to 150° C. and then for 144 hours to 180° C. Also provided is a radiation-curable optical fiber coating composition which is substantially urethane-free.Type: GrantFiled: September 4, 1998Date of Patent: March 26, 2002Assignee: DSM Desotech Inc.Inventor: Chander P. Chawla
-
Publication number: 20020032251Abstract: A UV-curable acrylate base adhesive composition for digital versatile discs and other substrates, a method for bonding verstile digital disc layers together with a UV-curable adhesive, and a digital versatile disc bonded by a UV-curable or a radiation curable adhesive. The adhesive comprises acrylate functional components, non-acrylate reactive diluents (e.g. having acrylamide, or N-vinyl functionality) and thiol compounds.Type: ApplicationFiled: August 24, 1999Publication date: March 14, 2002Inventors: CHAU THI MINH HA, VADIM V. KRONGAUZ, RAJNI JARIA, MICHAEL G. SULLIVAN
-
Patent number: 6355703Abstract: The invention relates to a liquid curable resin composition comprising: (A) a polyfunctional (meth)acrylic compound containing at least three (meth)acryloyl groups in the molecule, (B) a reaction product of an alkoxy silane compound having a polymerizable unsaturated group, an urethane bond group, and an organic group represented by the following formula (1), wherein X is NH—, —O—, or —S— and Y is an oxygen atom or a sulfur atom, and when X is —O—, Y is a sulfur atom, with silica particles, (C) a radiation curable acrylic resin comprising a carboxyl group in its molecule, of which the Tg is 50 or higher, (D) a radiation polymerization initiator, and (E) a non reactive solvent. The invention further relates to the coating obtained after evaporation of the solvent, and to the cured coating after irradiation.Type: GrantFiled: June 12, 2000Date of Patent: March 12, 2002Assignees: DSM N. V., JSR Corporation, Japan Fine Coatings Co., Ltd.Inventors: Atsushi Baba, Yuichi Eriyama, Takashi Ukachi
-
Patent number: 6342541Abstract: A manufacturing method comprising the steps of forming at first solidified wax layer of a desired shape, depositing onto the first solidified wax layer at least one layer of a liquid resin formulation, solidifying the layer of liquid resin formulation, depositing a second wax layer on to the combination of the first solidified wax layer and the layer of solidified resin formulation, solidifying the second wax layer, and separating the solidified resin formulation from first and second wax layers. Preferably, the resin formulation comprises at least one monofunctional water soluble vinyl or acrylic monomer in combination with a low molecular weight aliphatic polymer having acrylic or methacrylic acid functionality. The solidified wax and resin formulation layers can be machined as may be desired to form mold of a given shape comprising wax layers when the layer of formulation is separated from the wax layers.Type: GrantFiled: December 8, 1999Date of Patent: January 29, 2002Assignee: Advanced Ceramics Research, Inc.Inventors: John Lang Lombardi, Gregory John Artz
-
Patent number: 6335382Abstract: An ultraviolet-curable adhesive having an excellent moisture resistance and suitable for bonding optical disks having an information recording layer (vapor deposition layer), particularly optical disks having a thick vapor deposition layer, which contains, as essential components, (A) N-vinylpyrrolidone, (B) a urethane (meth)acrylate oligomer derived from a caprolactone-based polyol, an alicyclic diisocyanate and (meth)acrylic acid, and (C) a photopolymerization initiator containing (C-1) a photopolymerization initiator composed of only a carbon atom, a hydrogen atom and an oxygen atom without containing a nitrogen atom, a sulfur atom and a phosphorus atom and (C-2) a photopolymerization initiator containing a nitrogen atom and/or a sulfur atom in a (C-1)/(C-2) ratio of 70/30 to 100/0 by weight.Type: GrantFiled: January 6, 2000Date of Patent: January 1, 2002Assignee: Nagase-Ciba Ltd.Inventor: Takafumi Iida
-
Patent number: 6326127Abstract: The present invention relates to a photo-curable polymer composition comprising (a) a first block copolymer comprising at least two blocks A of polymerised monovinyl aromatic monomer, at least one internal block B of polymerised conjugated diene monomer, and at least one tapered or random block C of polymerised monovinyl aromatic monomer and polymerised conjugated diene monomer and/or at least one block D which may be a block of polymerised conjugated diene monomer or a tapered or random block of polymerised monovinyl aromatic monomer and polymerised conjugated diene monomer, wherein block C is an internal polymer block adjacent a terminal block A or an internal block A which is adjacent to a terminal block D, and block D is a terminal block adjacent an internal block A, and, optionally, a residue of a coupling agent, wherein the residue, if present, is derived from a coupling agent containing alkoxy or epoxy functional groups; and (b) a photo-initiator.Type: GrantFiled: December 16, 1999Date of Patent: December 4, 2001Assignee: Kraton Polymers U.S. LLCInventors: Karin Marie-Louise Renee Morren, Xavier Muyldermans
-
Patent number: 6319603Abstract: A liquid curable resin composition comprising (1) a (meth)acrylate polymer having a weight average molecular weight relative to polystyrene standard of at least about 5,000, (2) a ring-opening polymerizable monomer containing at least one epoxy group, and (3) a cationic photopolymerization initiator is disclosed. The composition produces cured products which exhibit superior heat resistance, excellent mechanical strength, and superb adhesive characteristics, and is suitable for use as a photo-curable adhesive, a photo-curable sealing material, a resin for optical three-dimensional molding, and a coating material for optical fibers, and optical fiber ribbon matrix.Type: GrantFiled: March 2, 1999Date of Patent: November 20, 2001Assignees: DSM N.V., JSR Corporation, Japan Fine Coatings Co., Ltd.Inventors: Zen Komiya, Yoshikazu Yamaguchi, Tsuyoshi Watanabe, Takashi Ukachi
-
Patent number: 6287745Abstract: The present invention relates to a photocurable liquid resin composition comprising: (A) a cationically polymerizable organic compound; (B) a cationic photopolymerization initiator; (C) an ethylenically unsaturated monomer; (D) a radical photopolymerization initiator; (E) a polyether polyol compound having one or more hydroxyl groups in one molecule; and, optionally, includes elastomer particles having a specific particle diameter and/or an epoxy-branched alicyclic compound.Type: GrantFiled: February 18, 1999Date of Patent: September 11, 2001Assignees: DSM N.V., JSR Corporation, Japan Fine Coatings Co.,Inventors: Tetsuya Yamamura, Akira Takeuchi, Tsuyoshi Watanabe, Takashi Ukachi
-
Patent number: 6277450Abstract: The present invention relates to novel compositions and methods for preventing corrosion.Type: GrantFiled: January 22, 1999Date of Patent: August 21, 2001Inventor: Mohammad W. Katoot
-
Patent number: 6254958Abstract: The present invention aims to develop a photosensitive resin composition which exhibits a rapid ink absorption rate, which has an excellent water resistance, and which is appropriate for providing an ink receiving layer forming a sharp ink dot shape and having an excellent color formability of ink. A photosensitive resin composition forming an excellent ink receiving layer is obtained by incorporating at least one selected from an ethylenically unsaturated group-containing compound having quaternary nitrogen and a grain flour (filler) such as a wheat flour or the like in a photosensitive resin composition containing a quaternary nitrogen-free ethylenically unsaturated group-containing compound, a photopolymerization initiator etc.Type: GrantFiled: July 22, 1998Date of Patent: July 3, 2001Assignee: Nippon Kayaku Kabushiki KaishaInventors: Kenji Yoshida, Kiyohisa Tokuda, Kazuhiko Ishii
-
Patent number: 6225368Abstract: A monomer-grafted cross-linked polymer is prepared by the steps of activating a polymer by radiation, quenching the activated polymer so as to effect cross-linking therein, activating the cross-linked polymer by irradiation and contacting the activated cross-linked polymer with an emulsion that includes an unsaturated monomer, an emulsifier and water. The activated cross-linked polymer is contacted with the emulsion for a sufficient time to effect a desired extent of grafting.Type: GrantFiled: September 7, 1999Date of Patent: May 1, 2001Assignee: National Power PLCInventors: Vincent F. D'Agostino, John Michael Newton
-
Patent number: 6140387Abstract: Gels for thermotropic layers, obtainable by irradiating a mixture comprisinga) an uncrosslinked polymer in amounts of less than 5% by weight, based on the sum of a), b) and c),b) monomers which can be polymerized by means of free radicals, andc) water or an organic solvent, or a mixture thereof,with high-energy light.Type: GrantFiled: July 8, 1998Date of Patent: October 31, 2000Assignee: BASF AktiengesellschaftInventor: Matthias Gerst
-
Patent number: 6130270Abstract: A radiation curable composition comprising,(A) at least one compound containing a (meth)acrylate group represented by the following formula (1), ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group, R.sup.2 is an alkylene group or a hydroxyalkylene group having 2 to 6 carbon atoms, R.sup.3 is a divalent organic group, n is a number of 1 to 10, m is an integer of 0 or 1, and Ar.sup.1 and Ar.sup.2 are independently a group comprising an aromatic ring(B) at least one compound derived from trishydroxyethyl isocyanurate, and containing at least one (meth)acrylate group, and(C) at least one radiation polymerization initiator.The radiation curable resin composition affords a high productivity, exhibits high transparency, and produces molded articles exhibiting minimal coloration upon exposure to light, superior dimensional precision, high heat resistance, only slight adhesion to substrates under high temperature conditions. The composition is very useful for manufacturing molding articles.Type: GrantFiled: January 6, 1999Date of Patent: October 10, 2000Assignees: DSM N.V., JSR Corporation, Japan Fine Coatings Co., Ltd.Inventors: Masakatsu Ukon, Toshihiko Takahashi, Takashi Ukachi
-
Patent number: 6126776Abstract: A method of modifying the surface of a solid polymer substrate comprising the steps of a) generating radicals on the substrate surface by subjecting it to a gas plasma or by subjecting it to UV light, and b) treating the surface with a vapor of a monomer or a monomer mixture comprising cyano acrylate and/or isocyanate, where step b) starts before step a), simultaneously with step a), under step a), or follows immediately after step a), and a polymer substrate modified accordingly; a method of binding an organic binder material to a surface of a solid polymer substrate comprising the steps of modifying the surface of the substrate by said method, and bringing the organic material in contact with the surface of the substrate, and a polymer bonded to an organic material by the last mentioned method.Type: GrantFiled: December 15, 1998Date of Patent: October 3, 2000Assignee: NKT Research Center A/SInventors: Kristian Glejb.o slashed.l, Bj.o slashed.rn Winther-Jensen
-
Patent number: 6107361Abstract: The invention relates to a solvent-free radiation curable, optical glass fiber coating composition containing:a) a urethane oligomer having a functional group capable of polymerization in the presence of actinic radiation, with an average functionality of at least about 1.2, having a vinyl addition polymer as backbone.b) a urethane compound having a functional group capable of polymerization in the presence of actinic radiation, with an average functionality of at least about 1, containing an organic moiety having about 5 or more carbon atoms as backbone.c) a reactive diluent.Furthermore, the invention relates to a solvent-free method for producing a solvent-free, radiation curable urethane oligomer composition.Type: GrantFiled: October 8, 1998Date of Patent: August 22, 2000Assignee: DSM N.V.Inventors: Anthony J. Tortorello, Edward J. Murphy
-
Patent number: 6107363Abstract: Manufactured articles obtainable from a composition consisting of:1) 100 phr of a fluorinated thermoplastic elastomer having a block structure with at least a fluorinated polymeric segment of B type having elastomeric properties and at least a fluorinated polymeric segment of A type having plastomeric properties,2) from 0.1 to 40 phr of a crosslinking agent able to give peroxidic crosslinking of fluoroelastomers;and subsequent irradiation of the manufactured article by GAMMA or BETA radiations.Type: GrantFiled: June 18, 1998Date of Patent: August 22, 2000Assignees: Ausimont S.p.A., Daimler-Benz AGInventors: Udo Gayer, Thomas Schuh, Vincenzo Arcella, Margherita Albano
-
Patent number: 5919604Abstract: Photocurable compositions and methods for making same are provided. The compositions comprise at least one ethylenically unsaturated monomer, at least one photoinitiator, and at least one water dispersible ethylenically unsaturated rubber. The ethylenically unsaturated rubber is rendered water dispersible by reaction of olefinic functionality therein with a hydrophilic diene. The resulting water-dispersible ethylenically unsaturated rubber is then blended with one or more ethylenically unsaturated monomers and one or more photoinitiators.Type: GrantFiled: July 30, 1997Date of Patent: July 6, 1999Assignee: Polyfibron Technologies, Inc.Inventor: Jay L. Reimers
-
Patent number: 5861232Abstract: The present invention provides a photosensitive resin composition which is superior in water-developing properties, resilience, strength of resin plate after exposure, elongation at break, and transparency of resin plate. The composition comprises:(1) a particulate copolymer obtained by polymerizing a monomer mixture comprising:(a) an aliphatic conjugated diene monomer,(b) a monomer represented by the following general formula (I): ##STR1## and (c) a monomer having at least two groups capable of addition-polymerizing;(2) a photopolymerizable unsaturated monomer;(3) an amino group-containing compound; and(4) a photopolymerization initiator.Type: GrantFiled: May 31, 1996Date of Patent: January 19, 1999Assignees: Nippon Paint Co., Ltd., Japan Synthetic Rubber Co., Ltd.Inventors: Kazunori Kanda, Koichi Ueda, Tadahiro Kakiuchi, Hisaichi Muramoto, Katsuo Koshimura, Kenji Yasuda, Hozumi Sato, Takashi Nishioka
-
Patent number: 5743940Abstract: A process for producing a fabric absorbent that is capable of efficient removal of odorous substances, in particular malodorous substances. The absorbent is obtained by exposing an organic high-molecular weight compound, such as polyolefinic polymers or halogenated polyolefinic polymers, to an ionizing radiation and thereafter graft polymerizing the high-molecular weight compound with a polymerizable monomer that contains ion-exchange groups and/or a polymerizable monomer that can be converted to ion-exchange groups so as to incorporate the ion-exchange groups in the high-molecular weight compound.Type: GrantFiled: June 23, 1994Date of Patent: April 28, 1998Assignees: Japan Atomic Energy Research Institute, Ebara CorporationInventors: Takanobu Sugo, Jiro Okamoto, Kunio Fujiwara, Hideaki Sekiguchi, Toshiaki Fujii
-
Patent number: 5744513Abstract: Photolytically crosslinkable thermally stable compositions comprising at least one crosslinkable polymer and a crosslinkable quantity of a multifunctional 3,4-disubstituted maleimide. The compositions may be employed to prepare adhesives and photo printing mats.Type: GrantFiled: October 29, 1991Date of Patent: April 28, 1998Assignee: The Dow Chemical CompanyInventors: Jerry E. White, Mary K. Dehnke, Lu Ho Tung