СПОСОБ ПОЛУЧЕНИЯ ПОЛИМЕРНЫХ ПОЛИОЛОВ

Настоящее изобретение относится к способу получения полимерного полиола в периодическом или полупериодическом режиме, где способ включает смешение базового полиола, одного или более этиленненасыщенных мономеров, инициатора полимеризации, необязательно, макромера и, необязательно, агента переноса цепи и полимеризацию полученной смеси при температуре от 50 до 200°С, где одно или более смешиваемых соединений подаются с температурой, которая находится в диапазоне от 50 до 150% от температуры (в °С), при которой осуществляется полимеризация. Также описаны полиол, получаемый указанным выше способом, способ получения полиуретанового пенопласта вспениванием композиции, включающей полимерный полиол по настоящему изобретению, сам пенопласт, получаемый таким способом, а также формованное изделие, включающее полиуретановый пенопласт. Технический результат - существенное сокращение времени цикла периодического процесса, сокращение продолжительности пусковой фазы, а также разрешение проблемы накипи и ...

OLEFINPOLYMERISATE MIT VERBESSERTER VERARBEITUNG

HERSTELLUNG VON VINYL ENTHALTENDEN POLYMEREN

Polymernetzwerke

Die Erfindung betrifft Polymernetzwerke, aufgebaut aus Dimethacrylaten der Formel CH¶2¶=CCH¶3¶COO-X-O-COCCH¶3¶=CH¶2¶ und Mercaptanen als Hauptbestandteil, wobei X für einen bifunktionellen Rest steht. Diese Dimethacrylat/Regler-Netzwerke stellen Materialien dar, deren Eigenschaften aufgrund der sehr kurzen Polymethacrylatblöcke im wesentlichen durch die Eigenschaften der Gruppe X bestimmt sind. Je nach Art der Gruppe X sind dies sehr weiche, flexible oder hochfeste, zähe, lösungsmittelbeständige Netzwerke.

MODIFIED POLY (METH) ACRYLATE WITH REACTIVE ETHYL NICHES GROUPS AND ITS USE

OLIGOMERE CHAIN-LONGER FOR THE TREATMENT AND SUBSEQUENT TREATMENT AS WELL AS THE RECYCLING OF CONDENSATION POLYMERS, WHEREUPON BASED COMPOSITIONS AND APPLICATIONS THE SAME

ULTRAVIOLET-HARDENING RESIN COMPOSITION, COATING MATERIAL, INK, ADHESIVE, SEALING MATERIAL AND PRIMING

PROCEDURE FOR GRAFTING FROM FLUORINE POLYMERS AND LAYER BONDING MATERIAL

PROCEDURE FOR THE PRODUCTION OF MICRO GEL PARTICLES BY STEERED RADICALS POLYMERIZING IN AN AQUEOUS DISPERSION WITH NITROXIDSTEUERUNGSMITTELN

FLUORHALTIGES POLYMER AND RESIN COMPOSITION

MORE PHOTOINIFERTER WITH MORE OPEN AZLACTON RINGSTRUKTUR FOR THE RADICAL POLYMERIZATION

LOCAL ADMINISTRATION OF FIBRINOLYSE STRENGTHENING MEANS

Process for grafting a fluoropolymer and multilayer structures comprising this grafted polymer

LATEX PARTICLES AND PROCESS FOR PRODUCING THE SAME

BRANCHED POLYPROPYLENE

Recyclable metathesis catalysts

A method of toughening thermoplastic polymers and thermoplastic compositions produced thereby

Tissue bulking and coating compositions

Recyclable metathesis catalysts

CROSSLINKABLE MACROMERS BEARING INITIATOR GROUPS

A crosslinkable macromer system that includes two or more polymer-pendent polymerizable groups and one or more polymer-pendent initiator groups. The polymerizable groups and the initiator group(s) can be pendent on the same or different polymeric backbones. The macromer system provides advantages over the use of polymerizable macromers and separate, low molecular weight initiators, including advantages with respect to such properties as nontoxicity, efficiency, and solubility.

NEW POLYETHER BASED MONOMERS AND HIGHLY CROSS-LINKED AMPHIPHILE RESINS

... ²²²The present invention relates to a cross-linked polyether which is obtained by ²polymerization ²of a single type of monomer which is polymerizable with a PEG, PPG, or poly ²(THF) cross-linker ²having an aldehyde end group, wherein all the monomers of the cross-linked ²polyether ²are identical. A method for preparing such cross-linked polyethers is also ²disclosed.² ...

THERMOSENSITIVE POLYMERS FOR THERAPEUTIC USE AND METHODS OF PREPARATION

A process for preparing a thermosensitive polymer from a microemulsion is provided. The microemulsion comprises a monomer capable of forming a thermosensitive polymer and a polymerizable surfactant. Additional comonomers may be included in the microemulsion to vary the properties of the polymers produced. The resulting thermosensitive polymers may be nanoporous. The polymers according to the invention are suitable for use in medical applications, including use as a wound dressing and for delivery of cells to a graft site.

DENTAL COMPOSITION

Dental cement composition comprising (a) a polymerizable polyacidic polymer having repeating units in the polymer backbone, which are represented by the following formula (I) wherein X represents O, S, or NR', whereby R' represents a hydrogen atom or a straight or branched C1-C6 alkyl group, C3-C6 cycloalkyl group, or C4-C8 cycloalkylalkyl group, Y is a moiety of the following formula (II) wherein L2 represents a single bond, a straight or branched C1-C6 alkylene group, or a straight or branched C1-C2O alkylene group which includes 1 to 8 atoms selected from oxygen and sulfur atoms; L3 represents a straight or branched C1-C3 alkylene group, which may optionally include 1 to 4 atoms selected from oxygen and sulfur atoms; X' represents O, S, or NR", whereby R" represents a hydrogen atom or a straight or branched C1-C6 alkyl group, C3-C6 cycloalkyl group, or C4- C8 cycloalkylalkyl group; m represents an integer of from 0 to 6; Z represents H or -COOH; Z' represents H or (CH2)XCOOH, wherein ...

POLYMER, PROCESSES FOR PRODUCING POLYMER, AND COMPOSITION

A vinyl polymer having a silanol, hydrolyzable silyl, or functional acrylic group at an end; a process for producing a vinyl polymer having a hydrolyzable silyl group at an end, which comprises reacting a vinyl polymer having a silanol group at an end with a silicon compound having two or more hydrolyzable groups; and a process for producing a vinyl polymer having a functional acrylic group at an end, which comprises reacting a vinyl polymer having a silanol group at an end with a silicon compound represented by the following general formula: XSiR2-G-O-C(O)C(L)=CH2 wherein X is a hydrolyzable group.

LIGHT ADJUSTABLE LENSES CAPABLE OF POST-FABRICATION POWER MODIFICATION VIA MULTI-PHOTON PROCESSES

The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that is compatible with the base material of the light adjustable composition. The novel photoinitiator permit the readjustment of light adjustable material without the need for significant amounts photoasorbers.

USE OF AN ORGANOSILICON COUPLING AGENT IN RUBBER COMPOSITIONS WITH AN INORGANIC FILLER

... ²²²Le domaine de l'invention est l'utilisation d'une quantité efficace d'un agent ²de couplage (A) comprenant un composé organosilicique fonctionnalisé comme ²agent de couplage charge inorganique - élastomère dans les compositions de ²caoutchouc comprenant : (B) au moins un élastomère de type caoutchouc, naturel ²ou synthétique ; (C) une charge inorganique à titre de charge renforçante ; ²(D) tout ou partie des autres constituants ou additifs habituellement utilisés ²comprenant notamment un (ou des) agent(s) de vulcanisation ; ladite ²utilisation étant caractérisée en ce que : + l'agent de couplage (A) est un ²composé organosilicique fonctionnalisé consistant dans les espèces (i) et (2i) ²suivantes : (i) étant au moins un oligomère siloxane fonctionnalisé ²correspondant à la formule (I) suivante : [(G0)3SiO1/2]m [(G0)2SiO2/2]n ²[G0SiO3/2]o [SiO4/2]p [(G2)a(G1)a'(Z-CO-N=N-CO-A)SiO(3-a-a')/2]q dans laquelle ²les symboles Z, G1, G2, G0, a, a', m, n, o, p et q possèdent les définitions ²indiquées ...

MINI-EMULSIONS AND LATEXES THEREFROM

A hybrid alkyd acrylic latex and a process for its preparation are taught. The process comprises forming an oil phase comprising an alkyd, a drier, and at least one ethylenically unsaturated monomer, wherein the oil phase solubilizes the drier; combining the oil phase with an aqueous phase, wherein the aqueous phase comprises a surfactant, to form a pre-emulsion; homogenizing the pre-emulsion thereby forming a miniemulsion, wherein the drier is solubilized in the oil phase; initiating the polymerization by adding a free radical initiator, thereby polymerizing the at least one ethylenically unsaturated monomer in the miniemulsion and forming a latex polymer emulsion having latex polymer particle sizes in the range of 40 nm to 700 nm.

HIGH MELT STRENGTH POLYETHYLENE COMPOSITIONS

The invention is a polyethylene composition having a polydispersity index of less than or equal to 3, an average branching index (g') as measured by GPC/Vis0.9, and a melt strength (MS) (centipoise, 190 ~C) that satisfies the relationship: MS3.0/Melt Index (2.16Kg/190 ~C)+4.5. In a preferred embodiment, these polyethylene compositions comprise A) branched polyethylene copolymers prepared by insertion polymerization of ethylene, ethylene-containing macromers, and optionally, additional copolymerizable monomers, and B) essentially linear ethylene copolymers. Improved melt strength without sacrifing the benefits of narrow polydispersity index are exhibited by the invention compositions.

PROPYLENE POLYMERS INCORPORATING POLYETHYLENE MACROMERS

A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40 % chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.

ГРЕБЕНЧАТЫЕ ПОЛИМЕРЫ И ИХ ПРИМЕНЕНИЕ ДЛЯ ПОЛУЧЕНИЯ КОМПОЗИЦИЙ ДЕЙСТВУЮЩЕГО ИЛИ ЭФФЕКТИВНОГО ВЕЩЕСТВА

Настоящее изобретение относится к новым гребенчатым полимерам, к способу их получения, а также к их применению для стабилизации в водной фазе нерастворимых в воде или плохо растворимых действующих веществ или эффективных веществ. Далее изобретение относится к применению гребенчатых полимеров для получения композиций действующего вещества или препаратов действующего вещества нерастворимых в воде действующих веществ или эффективных веществ, в особенности действующих веществ для защиты растений. Гребенчатые полимеры могут быть получены путем сополимеризации моноэтиленненасыщенных мономеров М, причем мономеры М включают: а) по меньшей мере один моноэтиленненасыщенный мономер Ма, выбранный из сложных эфиров моноэтиленненасыщенных С3-С8-монокарбоновых кислот с С1-С20-алканолами, С5-С10-циклоалканолами, фенил-С1-С4-алканолами или фенокси-С1-C4-алканолами и сложных диэфиров моноэтиленненасыщенных С4-С8-дикарбоновых кислот с С1-С20-алканолами, C5-С10-циклоалканолами, фенил-С1-С4-алканолами или фенокси-С1 ...

Radiation-curable coating composition

The invention relates to a radiation-curable primary coating composition comprising 0.6-10 vol% of particles which when cured has an equilibrium modulus of about 1.5 MPa or less, and a cavitation strength at which a tenth cavity appears ( 10 cav ) of at least about 1.1 MPa.

Method of improving melt processing of thrmoplastic polymers and compositions produced thereby

PROCESS OF HYBRID COPOLYMER SYNTHESIS SILICONES AND ORGANIC RIDICALIZING PARPOLYMERISATION CONTROLEE

USE Of ONE COMPOSES ORGANOSILICIQUE FUNCTIONALIZES CARRYING AT LEAST a FUNCTION AZO ACTIVEE, LIKE AGENT OF COUPLING (LOAD BLANCHE-ELASTOMERE) IN the COMPOSITIONS OF RUBBER INCLUDING/UNDERSTANDING an INORGANIC LOAD

USE Of ONE COMPOSES ORGANOSILICIQUE FUNCTIONALIZES CARRYING AT LEAST a FUNCTION AZO ACTIVEE, LIKE AGENT OF COUPLING (LOAD BLANCHE-ELASTOMERE) IN the COMPOSITIONS OF RUBBER INCLUDING/UNDERSTANDING an INORGANIC LOAD

Le domaine de l'invention est l'utilisation : → d'une quantité efficace d'un agent de couplage (A) comprenant un composé organosilicique fonctionnalisé ; → comme agent de couplage charge inorganique-élastomère dans les compositions de caoutchouc comprenant : (B) au moins un élastomère de type caoutchouc, naturel ou synthétique ; (C) une charge inorganique à titre de charge renforçante ; (D) tout ou partie des autres constituants ou additifs habituellement utilisés comprenant notamment un (ou des) agent(s) de vulcanisation (D1) ; → ladite utilisation étant caractérisée en ce que : + l'agent de couplage (A) est un composé organosilicique fonctionnalisé consistant dans les espèces (i) et (2i) suivantes : (i) étant au moins un oligomère siloxane fonctionnalisé correspondant à la formule (I) suivante: [(G0)3SiO1/2]m [(G0)2SiO2/2]n [G0SiO3/2]o [SiO4/2]p [(G2)a(G1)a'(Z-CO-N=N-CO-A)SiO(3-a-a')/2]q dans laquelle les symboles Z, G1, G2, G0, a, a', m, n, o, p et q possèdent les définitions indiquées ...

STICKY COMPOSITIONS THAT CONTAIN POLYMERIC ADDITIVES OF LOW MOLECULAR WEIGHT

Composiciones adhesivas que comprenden (a) polímeros o copolímeros adhesivos preparados a partir de monomeros seleccionados entre el grupo que consiste en estireno, butadieno, acrilonitrilo, etileno, acetato de vinilo, ácido acrílico, ésteres de ácido acrílico, ácido metacrílico, ésteres de ácido metacrílico y sus combinaciones; y (b) entre 1 y 55 % sobre la base de peso seco de un aditivo polimérico que comprende un polímero de bajo peso molecular que tiene un peso molecular promedio numérico de 20.000 o menos y que comprende unidades polimerizadas de por lo menos un monomero etilénicamente insaturado y 5 por ciento en peso o menos de un monomero que contiene ácido polimerizado. En forma preferida, el aditivo polimérico es polimerizado en presencia de un agente de transferencia de cadena de quelato de metal. En ciertas realizaciones, el aditivo polimérico tiene una Tg de punto medio de por lo menos 0 degree Co más. Otras realizaciones de la presente invencion incluyen métodos para formar ...

Uv-curable type resin composition, product, and article containing the same

Pigment dispersed composition, photocurable composition, color filter and method for manufacturing the same

MINI-EMULSIONS AND LATEXES THEREFROM

A hybrid alkyd acrylic latex and a process for its preparation are taught. The process comprises forming an oil phase comprising an alkyd, a drier, and at least one ethylenically unsaturated monomer, wherein the oil phase solubilizes the drier; combining the oil phase with an aqueous phase, wherein the aqueous phase comprises a surfactant, to form a pre-emulsion; homogenizing the pre-emulsion thereby forming a miniemulsion, wherein the drier is solubilized in the oil phase; initiating the polymerization by adding a free radical initiator, thereby polymerizing the at least one ethylenically unsaturated monomer in the miniemulsion and forming a latex polymer emulsion having latex polymer particle sizes in the range of 40 nm to 700 nm.

CURABLE COMPOSITION CONTAINING ALKOXYSILANE CONDENSATE

It is intended to provide a curable composition which is excellent in smoothness when it is applied to a plastic substrate and dried, is difficult to cause the occurrence of warpage after curing and swarf during cutting, and has excellent abrasion resistance, transparency, adhesiveness, and UV resistance. The curable composition contains an alkoxysilane condensate having a constituent unit represented by the formula (1). [(P-SiO3/2)1-a(P-Si(R0)O2/2)a]x(Q-SiO3/2)y(O1/2R3)z (1) P represents a group represented by the formula (2); Q represents an alkyl group, an aryl group, an aralkyl group, an alkenyl group, or a hydrogen atom; R3 represents a hydrogen atom or a monovalent organic group; R0 represents an alkyl group; the following relationships are satisfied: x+y=1, 0.3≤x≤1, 0≤y≤0.7, 0≤z≤2, and 0≤a≤1; R1 and R2 each independently represent a monovalent organic group, or R1 and R2 may be combined together to form a 5- to 6-membered ring; and R represents a divalent organic group.

PHOTOSENSITIVE COMPOSITION, PHOTOSENSITIVE FILM, PHOTOSENSITIVE LAMINATE, METHOD OF FORMING PERMANENT PATTERN AND PRINTED BOARD

A photosensitive composition that by the use of an oxime derivative and a specified sensitizer, realizes good sensitivity and excellent raw storability; a relevant photosensitive film; a method of forming a permanent pattern with the use of the photosensitive composition; and a printed board having a permanent pattern formed according to the permanent pattern forming method. There is provided a photosensitive composition comprising a binder, a polymerizable compound, a photopolymerization initiator and a thermal crosslinking agent, wherein in the exposure and development of formed photosensitive layer, the variation coefficient of the formula log10(E1/E0) falls within ±0.3. In the formula, E1 refers to the minimum energy of light for use in exposure that in the process of superimposing a photosensitive layer on a substratum, hermetically sealing the same in an atmosphere of 24°C 60% RH, and storing it at 40°C for 3 days, followed by exposure and development, causes no change to the thickness ...

WETTABLE HYDROGELS COMPRISING REACTIVE, HYDROPHILIC, POLYMERIC INTERNAL WETTING AGENTS

The present invention relates to wettable silicone hydrogels comprising the reaction product of at least one siloxane containing component and at least one reactive, hydrophilic polymeric internal wetting agent. The present invention further relates to silicone hydrogel contact lenses comprising at least one oxygen permeable component, and an amount of reactive, hydrophilic polymeric internal wetting agent sufficient to impart wettability to said device.

CEMENT ADMIXTURE

The present invention aims at providing a cement admixture having superior water-reducing performance, along with no decrease in slump and slump flow caused by decrease in fluidity of a cement composition over time. A cement admixture is to be provided, which cement admixture comprises two or more members of polycarboxylic acid-based polymers, wherein said cement admixture comprises at least one polycarboxylic acid-based polymer (A) having a constitutional unit represented by the following formula (1): wherein R1 and R2 independently represent a hydrogen atom, an alkyl group with carbon atoms of 1 to 30, an alkenyl group with carbon atoms of 1 to 30, an aryl group with carbon atoms of 6 to 12; A represents an alkylene group with carbon atoms of 1 to 30 or an arylene group with carbon atoms of 6 to 12; a is 0 or 1; OR3 represents an oxyalkylene group with carbon atoms of 2 to 18, wherein each OR3 may be the same or different each other, provided that when OR3 is in a mixed form of two or ...

POLYMER FILMS

La présente invention se rapporte à un film polymère réticulé non supporté (ou indépendant), que l'on peut obtenir en lançant la polymérisation d'un ou plusieurs monomères au niveau d'une interphase. L'interphase peut se trouver entre deux liquides immiscibles, ou au niveau d'une interphase liquide-gaz, solide-gaz ou solide-liquide. Le polymère selon l'invention peut être utilisé, pour faciliter des réactions chimiques, pour la séparation de substances, comme phase stationnaire chromatographique, comme adsorbant, dans des capteurs ou des actionneurs. Il peut également être utilisé pour l'administration de médicaments, comme valve réceptive ou dans des muscles artificiels. L'invention a également trait à un procédé de production de polymères sous forme de films minces, qui consiste à faire appel à la polymérisation radicalaire contrôlée (CRP) pour produire un polymère réticulé sous forme de film mince au niveau d'une interface, l'une des phases (liquide, solide ou gazeuse) pouvant être éliminée ...

POLYMERS, COMPOSITIONS AND METHODS OF MAKING THE SAME

Polymers having a main chain having both aromatic units and aliphatic units (with repeating heteroatoms) and a side chain macromonomer are described. Methods of making these polymers using enzymatic synthesis and the applications of these polymers are also described.

UV CURABLE PAINT COMPOSITION WITH HIGH OPERATING EFFICIENCY

The present invention relates to a UV curable paint composition, and more particularly, to a UV curable paint composition that has various applicable colors and superior UV curability and recoatability. The UV curable paint composition of the present invention comprises 30 to 95 parts by weight of conventional UV curable composition with UV curable oligomer, UV curable monomer, photoinitiator and photosensitizer; and 5 to 70 parts by weight of one or more cellulose-modified resins selected from a group consisting of cellulose acetate, cellulose acetate butyrate, cellulose acetate propionate, cellulose propionate, cellulose-modified urethane acrylate, and nitrocellulose. The UV curable paint composition of the present invention may comprise up to 20 parts by weight of pigment or other additives in the same manner as a conventional UV curable paint composition. The UV curable paint composition of the present invention provides superior recoatability, UV curability, adhesiveness, weather resistance ...

Photopolymerizable biodegradable hydrogels as tissue contacting materials and controlled-release carriers

Hydrogels of polymerized and crosslinked macromers comprising hydrophilic oligomers having biodegradable monomeric or oligomeric extensions, which biodegradable extensions are terminated on free ends with end cap monomers or oligomers capable of polymerization and cross linking are described. The hydrophilic core itself may be degradable, thus combining the core and extension functions. Macromers are polymerized using free radical initiators under the influence of long wavelength ultraviolet light, visible light excitation or thermal energy. Biodegradation occurs at the linkages within the extension oligomers and results in fragments which are non-toxic and easily removed from the body. Preferred applications for the hydrogels include prevention of adhesion formation after surgical procedures, controlled release of drugs and other bioactive species, temporary protection or separation of tissue surfaces, adhering of sealing tissues together, and preventing the attachment of cells to tissue ...

Fluorine-containing material for optical waveguide

There is provided a material which can give a high elasticity and heat resistance to an optical waveguide member by photo-curing while maintaining transparency in a near infrared region and further makes it possible to use a film forming process by a spin coating method and a process for producing a waveguide by photolithograph, to obtain a waveguide having a large area and to produce an optical waveguide having reduced water absorption, and further there can be provided an optical waveguide member and an optical waveguide device. Namely, there are provided a fluorine-containing optical waveguide material comprising a curable fluorine-containing prepolymer (I) which is a non-crystalline polymer having a fluorine content of not less than 25% by weight and has a carbon-carbon double bond in a polymer side chain and/or at an end of a polymer trunk chain, an optical waveguide member which is a cured article of the optical waveguide material and an optical waveguide device comprising the optical ...

Multi-functional polymers

A multi-functional polymer defined by the formula (Q-R¦nZP2Y where (Q-R)n is a functionality cluster, Q is a functional group, R is a multi-valent organic group, P2 is a long-chain polymer, n is an integer from about 2 to about 10, Y is a proton, a weak functional group, or a selective functional group, and Z is a branch point where the functionality clusters join the long-chain polymer.

Process of forming crosslinked copolymer film, crosslinked copolymer film formed thereby, and water purification membrane

Azidoaryl-substituted cyclooctene monomers and synthesized and used in the preparation of various copolymers. Among these copolymers are those prepared from ring-opening metathesis polymerization of cyclooctene, polyethylene glycol-substituted cyclooctene, and azidoaryl-substituted cyclooctene. These copolymers are useful in the formation of crosslinked films that reduce fouling of water purification membranes.

Preparation of vinyl-containing macromers

Polymeric compositions of matter are described comprising olefin polymer chains having Mn of about 400 to 75,000, a ratio of vinyl groups to total olefin groups according to the formula 1 $\begin{array}{cc}\frac{\mathrm{vinyl}\mathrm{groups}}{\mathrm{olefin}\mathrm{groups}}{\left[\mathrm{comonomer}\mathrm{mole}\mathrm{percentage}+0.1\right]}^{a}x{10}^{a}xb& \left(1\right)\end{array}$ Подробнее

GRAFT POLYMERS HAVING OLIGOALKYLENIMINE SIDE CHAINS, PROCESS FOR THEIR PREPARATION AND THEIR USE

Graft polymers whose grafting base is selected from the group consisting of polymers having vinylamine units, polyamines, polyamidoamines and polymers of ethylenically unsaturated acids and which comprise exclusively oligoalkylenimine side chains as side chains, process for the preparation of graft polymers having oligoalkylenimine side chains, at least one oligoalkylenimine which comprises a terminal aziridine group being grafted onto one of said grafting bases, and the use of the graft polymers thus obtainable as process chemicals in the production of paper, as antimicrobial coating materials, as builders in detergents and for the treatment of metal surfaces.

SELF-CROSSLINKABLE POLY(CAPROLACTONE FUMARATE)

Aqueous dispersion of polymeric particles

An aqueous dispersion of polymeric particles and process for making the aqueous dispersion are disclosed. The polymeric particles have at least one ethylenically unsaturated monomer and a copolymerized macromer with a number average molecular weight of between 1,000 and 50,000 and a cloud point in water of between 25°C and 90°C.

FLUORINE-CONTAINING POLYMER AND RESIN COMPOSITION

A polymer containing: a constitutional unit A that is derived from fluorosilsesquioxane having one addition polymerizable functional group in a molecule; a constitutional unit B that is derived from organopolysiloxane having an addition polymerizable functional group; and a constitutional unit C that is derived from an addition polymerizable functional monomer containing a group having active hydrogen, and optionally containing a constitutional unit D that is derived from an addition polymerizable monomer other than the fluorosilsesquioxane having one addition polymerizable functional group in a molecule, the organopolysiloxane having an addition polymerizable functional group and the addition polymerizable monomer containing a group having active hydrogen.

LATEX POLYMER PARTICLES CONTAINING FLUORESCENT SUBSTANCE OR CONTRAST MEDIUM AND PROCESS FOR PRODUCING THE SAME

This invention provides a method to effectively incorporate inorganic fluorescent substance or inorganic contrast medium into latex polymer particles which are used for diagnostic test or the like, and also provides thus produced fluorescent substance-containing latex polymer particles which show decreased non-specific adsorption of protein or the like. Said latex polymer particles are produced by making latex-forming monomer, macromer which has at least a hydrophilic polymer segment and an inorganic fluorescent substance or an inorganic contrast medium co-existent simultaneously in an aqueous medium, and subjecting them to a polymerization reaction.

PROCESS FOR PREPARING OLIGONUCLEOTIDES

СПОСОБ ОТВЕРЖДЕНИЯ СВЯЗУЮЩЕГО

Изобретение относится к улучшенному способу отверждения связующего на основе пропаргилзамещенных аминофенолов и может быть использовано для производства полимерных композиционных материалов. Способ отверждения связующего заключается в растворении соединения, выбранного из O,N,N-пропаргиламинофенола формулыгде группа N(CHC≡CH) находится в о-, м- или п-положении, и катализатора, выбранного из группы, включающей 2-этилгексаноат кобальта и трифенилфосфиновый комплекс хлорида кобальта в приемлемом растворителе. Из полученного раствора связующего и катализатора удаляют растворитель с получением раствора катализатора в связующем и осуществляют последующий нагрев упомянутого раствора катализатора в связующем до температуры отверждения с выдержкой при этой температуре в течение времени, обеспечивающего полное отверждение связующего. Нагрев до этой температуры осуществляют ступенчато с температурой на первой ступени нагревания на 10-20°С ниже температуры последующей ступени нагревания в условиях, ...

ВОДНЫЕ ПОЛИУРЕТАН-ВИНИЛОВЫЕ ПОЛИМЕРНЫЕ ГИБРИДНЫЕ ДИСПЕРСИИ

Настоящее изобретение относится к водным полиуретан-виниловым полимерным гибридным дисперсиям для получения систем покрытия. Указанная дисперсия содержит в качестве элементарных звеньев гидрофобно модифицированные гидрокси-функциональные сложные полиэфиры A, кислоты B, необязательно гидрокси-функциональные олигомерные или полимерные соединения С, необязательно мономерные гидрокси-соединения D, необязательно соединения Е, необязательно соединения F, соединения G, олефин-ненасыщенные мономеры Н2, олефин-ненасыщенные мономеры Н1, многофункциональные изоцианаты I. Сложные полиэфиры А получены взаимодействием кислотных групп сложного полиэфира А′, имеющего остаточные гидроксильные и кислотные группы, с монофункциональным соединением А4. Соединение А4 имеет эпоксидную функциональную группу и линейный или разветвленный алкильный остаток по меньшей мере четырех атомов углерода. Кислоты В имеют дополнительные группы, которые вступают в реакцию с изоцианатами с образованием уретанов. Соединения С ...

STRAHLUNGSHÄRTBARES POLYMER UND DIESES ENTHALTENDE ZUSAMMENZETZUNG

HERSTELLUNG VON VINYL ENTHALTENDEN POLYMEREN

GELE ZUR VERKAPSELUNG VON BIOLOGISCHEN MATERIALIEN

VERFAHREN ZUR HERSTELLUNG VON PFROPFCOPOLYMEREN UND DARAUS HERGESTELLTE ZUSAMMENSETZUNGEN

MANUFACTURING PROCESS OF SILICON-ORGANIC HYBRID COPOLYMERS BY CONTROLLED RADICAL POLYMERIZATION

EMBOLI COMPOSITIONS

COMB POLYMERS ABSTENTION FORMULATIONS OF ACTIVE SUBSTANCE

INDIA RUBBER-MODIFIED POLYMERS OF VINYLAROMATI MONOMERS

PASTE COMPOSITION FOR LIGHT CONDUCTORS AND LIGHT CONDUCTORS THEREBY

RADIATION-HARDENABLE COMPOSITION CONTAINING ALPHA OLEFINE

PROCEDURE FOR THE SYNTHESIS OF RESINS WITH INSATIATED REMAINDERS FROM (METH) THE TYPE OF ACRYLIC TO THE HARDENING BY RADIATION OR WARMTH AND FOR USE AS POWDER COATINGS

Wettable hydrogels comprising reactive, hydrophilic, polymeric internal wetting agents

The present invention relates to wettable silicone hydrogels comprising the reaction product of at least one siloxane containing component and at least one reactive, hydrophilic polymeric internal wetting agent. The present invention further relates to silicone hydrogel contact lenses comprising at least one oxygen permeable component, and an amount of reactive, hydrophilic polymeric internal wetting agent sufficient to impart wettability to said device.

Method of generating a reactive species and applications therefor

MODIFIED POLY(METH)ACRYLATE WITH REACTIVE ETHYLENIC GROUPS AND USE THEREOF

MICROSPHERE HYDROGEL BIOMEDICAL ARTICLES

Hydrogel biomedical articles formed from macromers having a polymeric backbone comprising 1,2-diol and/or 1,3-diol units, such as polyvinyl alcohol, and pendant chains bearing crosslinkable groups and, optionally, other modifiers.

OLIGOMERIC CHAIN EXTENDERS FOR PROCESSING, POST-PROCESSING AND RECYCLING OF CONDENSATION POLYMERS, SYNTHESIS, COMPOSITIONS AND APPLICATIONS

The invention provides chain extenders made from epoxy-functional (meth)acrylic monomers and styrenic and/or (meth)acrylic monomers. The invention further provides polymeric compositions made from the chain extenders and plastic articles made from the compositions. Finally, the invention provides methods of using the chain extenders to improve the properties of virgin, recycled, and reprocessed condensation polymers.

PHOTOCHROMIC COMPOUND AND CURABLE COMPOSITION CONTAINING SAID PHOTOCHROMIC COMPOUND

The present invention provides: a photochromic compound which is obtained by substituting a polyvalent residue with at least one group having a photochromic moiety and at least one long chain group that has a molecular weight of 300 or more, while having no photochromic moiety; and a curable composition which contains this photochromic compound. Consequently, the present invention is able to provide: a photochromic compound which exhibits high solubility in a polymerizable compound that serves as a matrix, and which is not likely to be affected by the matrix, while maintaining high photochromic characteristics; and a curable composition which contains this photochromic compound.

AQUEOUS COATING COMPOSITIONS CONTAINING POLYURETHANE-ACRYLIC HYBRID POLYMER DISPERSIONS

An aqueous coating composition containing polymeric binder comprising particles of polyurethane-acrylic hybrid polymer dispersed in aqueous medium containing i) polyurethane polymer, preferably from 0.1 to 75 wt% ii) copolymer of ethylenically unsaturated addition copolymerisable monomers, preferably from 25 to 99.9 wt% characterised in that the polyurethane polymer comprises the reaction product of a) a polyisocyanate b) a compound containing at least two moieties reactive with the isocyanate moieties of the polyisocyanate c) a compound containing at least one dispersing moiety and at least one moiety reactive with the isocyanate moieties of the polyisocyanate d) a chain extender compound e) a urethane diol, being the reaction product of a cyclic carbonate and a compound containing an amino group and a further group selected from amino and hydroxy, said urethane diol comprising up to 80 wt% of the polyurethane polymer. The coatings have improved abrasion, water and stain resistance. Also ...

Gels for Encapsulation of Biological Materials

POLYISOCYANATE PREPOLYMER COMPOSITION AND SOFT ELASTOMERS PREPARED THEREFROM

A polyisocyanate prepolymer composition which comprises the reaction product of a) diphenylmethane diisocyanate composition and b) an active hydrogen containing compound having a number average molecular weight of at least about 2000 wherein the reaction is carried out in the presence of a diluent capable of maintaining the average viscosity of the resulting prepolymer below about 500 cps at 25.degree. C. The prepolymer may be reacted with a resin composition to prepare soft elastomers.

IMPROVED PROCESSING OLEFIN COPOLYMERS

The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain; B) a plurality of essentially hydrocarbyl sidechains connected to A), said sidechains each having a number-average molecular weight of from 2500 Daltons to 125,000 Daltons and an MWD by SEC of 1.0-3.5; and having A) a Newtonian limiting viscosity (0) at 190 ~C at least 50 % greater than that of a linear olefinic polymer of the same chemical composition and weight average molecular weight, preferably at least twice as great as that of said linear polymer; B) a ratio of the rubbery plateau modulus at 190 ~C to that of a linear polymer of the same chemical composition less than 0.5, preferably 0.3; C) a ratio of the Newtonian limiting viscosity (0) to the absolute value of the complex viscosity in oscillatory shear (*) at 100 rad/sec at 190 ~C of at least 5; and D) a ratio of the extensional viscosity measured at a strain rate ...

PROCESS OF HYBRID AND ORGANIC COPOLYMER SYNTHESIS BY RIDICALIZING POLYMERIZATION CONTROLEE

L'invention concerne un procédé de préparation par activation thermique de copolymères hybrides silicones et organiques comprenant des motifs RxUySiO[4-(x+y)]/2 (I) dans lesquels : - x est égal à 0, 1, 2 ou 3, y est égal à 0, 1, 2 ou 3 avec 2 ≤ (x+y) ≤ 3 et y est différent de 0 pour au moins un des motifs du copolymère hybride, - et les symboles U, identiques ou différents, représentent (II) : ...

BRANCHED OLEFIN COPOLYMER, PROCESS FOR PRODUCING THE SAME, AND USE THEREOF

스티렌계 공중합체 및 그 제조 방법, 압출 발포 시트 및 그 성형품

... 성형 가공성이 우수하고, 또한 겔상 물질이 적은 스티렌계 공중합체를 제공하는 것. 수평균 분자량 (Mn) 이 850 ∼ 100000 인 공액 디비닐 화합물과, 적어도 스티렌계 화합물을 함유하는 1 종류 이상의 모노비닐 화합물의 스티렌계 공중합체로서, 상기 공액 디비닐 화합물의 함유량이, 상기 모노비닐 화합물 1 몰당 2.0 × 10-6 ∼ 4.0 × 10-4 몰이고, 상기 스티렌계 공중합체는, 중량 평균 분자량 (Mw) 이 20 만 ∼ 50 만이고, 분자량 200 만 이상의 비율이 0.3 ％ ∼ 6.0 ％ 인, 스티렌계 공중합체.

A METHOD FOR PREPARING A MULTI-LAYERED POLYMERIC COMPOSITE AND A MULTI- LAYERED COMPOSITE PRODUCED THEREBY

The present invention relates to: a method of preparing a capstock layer that includes a comb copolymer; a method of preparing a multi- layered polymeric composite, one layer of which is a capstock layer; and a capstock layer and a multi-layered composite formed, respectively, thereby. © KIPO & WIPO 2007 ...

MONOMERS CONTAINING POLYOXYALKYLENES AND POLYMER SUPPORTS THEREFROM

A polymer support is provided which comprises protected hydroxypolyC alkyleneoxy chains attached to a cross-linked polymer wherein the protected hydroxypolyC alkyleneoxy chain contains from 2 to 10 C alkyleneoxy groups and wherein the hydroxypolyC alkyleneoxy chains are protected with an acid labile group. The acid labile protecting group is preferably a poly-aryl methane protecting group. A monomer and process for the preparation of said support are also provided.2-42-42-42-4 © KIPO & WIPO 2007 ...

폴리우레탄 화합물 및 그것을 함유하는 수지 조성물

... 접착성, 유연성이 우수하고, 내후성, 내광성이 높아 투명성이 유지되고, 특히 광학 용도로의 적용이 적합한 수지 조성물에 이용할 수 있는 폴리우레탄 화합물을 제공한다. 하기에 나타내어지는 화합물(A), 화합물(B), 화합물(C), 화합물(D), 및 임의 성분으로서 화합물(E)을 반응시켜 얻어지는 폴리우레탄 화합물(F). 화합물(A): 수첨 폴리부타디엔폴리올 화합물 화합물(B): 지환 골격을 갖는 디올 화합물 화합물(C): 폴리이소시아네이트 화합물 화합물(D): 적어도 1개 이상의 수산기를 갖는 (메타)아크릴레이트 화합물 화합물(E): 화합물(A), 화합물(B) 이외의 폴리올 화합물 ...

Curable resin composition

The present invention provides a material that has excellent adhesion to substrates, even in cold places, and that can produce a flexible cured film. A curable resin composition that contains (A) a thioether-containing (meth)acrylate derivative that has a specific structure and (B) a polyfunctional (meth)acrylate that has a weight average molecular weight of 200-50,000. The mass ratio ((A)/(B)) of the (A) component and the (B) component is 0.05-30.

Pigment dispersion composition, colored photosensitive composition, photocurable composition, color filter, liquid display device, and solid imaging device

Disclosed is a pigment-dispersed composition comprising: (a) a polymeric compound having at least one kind of repeating unit selected from a repeating unit represented by general formula (I) and a repeating unit represented by general formula (II); (b) a pigment; and (c) an organic solvent [in general formulae (I) and (II), R1 to R6 independently represent a hydrogen atom or the like; X1 and X2 independently represent -CO-, -C(=O)O-, -CONH-, -OC(=O)- or a phenylene group; L1 and L2 independently represent a single bond or a bivalent organic linkage group; A1 and A2 independently represent a univalent organic group; m and n independently represent an integer of 2 to 8; and p and q independently represent an integer of 1 to 100]. Also disclosed is a pigment-dispersed composition comprising: (A) a graft-type high-molecular-weight polymer having the main chain produced by copolymerizing 5 to 30 mass% of acrylic acid; (B) a pigment; and (C) an organic solvent.

Resin composition and adhesive

The present invention provides a resin composition that is suitable for non-solvent adhesives and exhibits high adhesive strength, the resin composition comprising: component (A), which is a (meth)acrylate having one or more (meth)acryloyl groups in molecule terminals or side chains, having one or more main-chain skeletons selected from the group consisting of polyesters, polycarbonates, polyethers, polybutadienes, polyisoprenes, hydrogenated polybutadienes, and hydrogenated polyisoprenes, and having a number-average molecular weight of 500-50,000; component (B), which is an isocyanuric acid derivative represented by general formula (1); component (C), which is a (meth)acrylate having a hydroxyl group; component (D), which is a silane coupling agent; component (E), which is a photopolymerization initiator; and component (F), which is a (meth)acrylate represented by general formula (2) R-O-R' (where R represents a (meth)acryloyl group, and R' represents a C5-C18 alkyl group). The resin composition ...

Solder resist composition and coated printed wiring board

CROSSLINKED LIQUID CRYSTALLINE POLYMER, METHOD FOR THE PREPARATION THEREOF, AND ARTICLES DERIVED THEREFROM

Described are compositions that include a crosslinked polymer obtained on crosslinking a particular class of uncrosslinked polymers having in-chain aliphatic double bonds. The compositions exhibit unsual shape memory properties, and they may be used to form objetcs that exhibit at least three different shapes as a function of temperature.

RADIATION-CURABLE POLYMER AND A COMPOSITION COMPRISING THIS POLYMER

L'invention concerne un polymère comprenant au moins un groupe dérivé d'un ester carboxylique d'un hydroxyalkylamide et d'un acide carboxylique insaturé en 'alpha', 'beta'-éthylène et une composition durcissable par radiation comprenant ledit polymère. Une composition de revêtement comprenant ladite composition présente une vitesse de polymérisation élevée et permet la production de revêtements possédant les propriétés chimiques et mécaniques voulues.

METHOD FOR PREPARING GRAFT COPOLYMERS AND COMPOSITIONS PRODUCED THEREFROM

The present invention provides an aqueous polymerization method for preparing graft copolymers, and copolymer compositions produced therefrom. The method of the present invention includes (a) forming a macromonomer aqueous emulsion containing water insoluble macromonomer particles; (b) forming a monomer composition containing at least one ethylenically unsaturated monomer; and (c) combining at least a portion of the macromonomer aqueous emulsion and at least a portion of the monomer composition and polymerizing the resulting polymerization reaction mixture in the presence of an initiator to form a copolymer composition. The copolymer composition produced contains water insoluble particles of graft copolymer.

BIOMACROMOLECULE POLYMER CONJUGATES

Chemical polymerization procedures initiated by, and proceeding from, a protein for the formation of protein-polymer conjugates which have therapeutic uses, are intermediates for forming other materials or are usable in diagnostic sensors are disclosed. Polymerization can be initiated by a protein in the absence of additional initiation agents to form the protein-polymer conjugate. In another embodiment, polymerization is initiated in the presence of an additional initiation agent that does not interact with the protein. Amino acids existing in the protein can serve as the sites for initiation of the polymerization or the protein can be modified to contain site(s) for initiation or prepared by recombinant methods, chemical ligation, solid-phase synthesis, or other techniques to generate site(s) for initiation.

LIGHT ADJUSTABLE LENSES CAPABLE OF POST-FABRICATION POWER MODIFICATION VIA MULTI-PHOTON PROCESSES

The invention relates to novel photoinitiators and their use in light adjustable compositions. The initiatives comprise two or more multiphoton chromophores linked by a bridging compound. The bridging compound consists of a material that is compatible with the base material of the light adjustable composition. The novel photoinitiator permit the readjustment of light adjustable material without the need for significant amounts photoasorbers.

CURING ACCELERATOR, THERMOSETTING RESIN COMPOSITION, PHOTOSENSITIVE COMPOSITION, PHOTOSENSITIVE FILM, PERMANENT PATTERN AND METHOD FOR FORMING SAME

Disclosed is a curing accelerator composed of a compound which generates an amine upon external stimulation and has carboxyl groups and amide groups in a molecule at a ratio of 1:1. Also disclosed is a photosensitive composition characterized by containing such a curing accelerator, a polymer having one or more of carboxyl groups or one or more of ester groups in a molecule, a polymerizable compound, and a photopolymerization initiator. This photosensitive composition is excellent in storage stability and can be used as a photosensitive film. Further disclosed is a method for forming a permanent pattern wherein such a photosensitive film is arranged on the surface of a base, and then exposed, developed and heated thereon.

POLYMER AND PROCESS FOR PRODUCING THE SAME

A polymer characterized by having a melt tension (MT (g)) substantially equal to or lower than that of a polymer which is substantially equal in repeating units of the backbone and in molecular weight, molecular-weight distribution, and crystallinity and by having a flow activation energy (Ea (KJ/mol)) higher by at least 5 KJ/mol than the Ea value of that polymer. A preferred example of the polymer is one which comprises 50 to 100 mol% repeating units derived from ethylene and 0 to 50 mol% repeating units derived from an a-olefin having 3 to 20 carbon atoms, satisfies a specific relationship between flow activation energy (Ea (KJ/mol)) and a-olefin content (C (wt.%)), and satisfies a specific relationship between melt tension (MT (g)) and melt flow rate (MFR (g/10 min)). This branched polyolefin is excellent in moldability and mechanical strength.

Grafted polymers and methods of making and using thereof

Grafted polymers which are the reaction products of: (a) (Meth)acrylic acid and (b) Non-symmetric maleates according to general formula (I), in which R1 stands for a linear or branched alk(en)yl radical having 1 to 22 carbon atoms and 0 or 1 double bond, while n and m independently represent integers between 0 and 200, on condition that the sum (n+m) is different from 0 are disclosed. Methods of making and using the grafted polymers are also disclosed.

Photoreactive polymer and method for preparing the same

The present invention relates to a photoreactive polymer that comprises a multi-cyclic compound in a main chain, and a polymerization method thereof. Since the photoreactive polymer according to the present invention comprises a multi-cyclic compound having a high glass transition temperature as a main chain, the thermal stability is excellent, and since the mobility of the main chain is relatively high as compared to that of an additional polymer, a photoreactive group can be freely moved in the main chain of the polymer. Accordingly, it is possible to overcome a slow photoreactive rate that is considered a disadvantage of a polymer material used to prepare an alignment film for known liquid crystal display devices.

Curable composition for polymer electrolyte, and layered body

Provided is a curable composition for a polymer electrolyte, including: a component (A): a radical polymerizable compound having a (meth)acryloyl group, a component (B): a compound having, in one molecule, an epoxy group and a skeleton of at least one selected from the group consisting of polybutadiene, polyisoprene, hydrogenated polybutadiene, and hydrogenated polyisoprene, and a component (C): a radical polymerization initiator, in which a content of each of the components (A) to (C) based on the entire composition is as follows, the component (A): from 30 to 98.9% by mass the component (B): from 1 to 40% by mass, and the component (C): from 0.1 to 15% by mass.

Associative polymers and related compositions, methods and systems

Described herein are associative polymers capable of controlling a physical and/or chemical property of non-polar compositions and related compositions, methods and systems. Associative polymers herein described have a non-polar backbone and functional groups presented at ends of the non-polar backbone, with a number of the functional groups presented at the ends of the non-polar backbone formed by associative functional groups capable of undergoing an associative interaction with another associative functional group with an association constant (k) such that the strength of each associative interaction is less than the strength of a covalent bond between atoms and in particular less than the strength of a covalent bond between backbone atoms.

Bicarbazole compound, photo-curable composition, cured product thereof, curable composition for plastic lens, and plastic lens

A photopolymerizable material contains, as a main polymerization component, a bicarbazole compound represented by structural formula (1). In structural formula (1), X 1 and X 2 are each independently a photopolymerizable functional group, a structural site having a photopolymerizable functional group, or a hydrogen atom, at least one of X 1 and X 2 is a photopolymerizable functional group or a structural site having a photopolymerizable functional group, R 1 and R 2 are each independently a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a bromine atom, or a chlorine atom, and at least one of R 1 and R 2 is a hydrogen atom.

Associative polymers and related compositions, methods and systems

Described herein are associative polymers capable of controlling a physical and/or chemical property of non-polar compositions and related compositions, methods and systems. Associative polymers herein described have a non-polar backbone and functional groups presented at ends of the non-polar backbone, with a number of the functional groups presented at the ends of the non-polar backbone formed by associative functional groups capable of undergoing an associative interaction with another associative functional group with an association constant (k) such that the strength of each associative interaction is less than the strength of a covalent bond between atoms and in particular less than the strength of a covalent bond between backbone atoms.

RESIN COMPOSITION FOR VaRTM MOLDING, MOLDING MATERIAL, MOLDED ARTICLE AND METHOD FOR PRODUCING MOLDED ARTICLE

Provided is a resin composition for VaRTM (vacuum assisted resin transfer molding), which includes a radically curable resin (A), an unsaturated monomer (B) having a boiling point of 200° C. or higher under atmospheric pressure, and a polymerization initiator (C). This resin composition for VaRTM is advantageous not only in that the productivity for a molded article is excellent, but also in that a molded article having excellent appearance and various physical properties, such as a flexural strength and a flexural modulus, can be obtained, and therefore can be advantageously used in a molding material and a molded article.

Recyclable metathesis catalysts

Highly active, recoverable and recyclable transition metal-based metathesis catalysts and their organometallic complexes including dendrimeric complexes are disclosed, including a Ru complex bearing a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether ligand. The heterocyclic ligand significantly enhances the catalytic activity, and the styrenyl ether allows for the easy recovery of the Ru complex. Derivatized catalysts capable of being immobilized on substrate surfaces are also disclosed. The present catalysts can be used to catalyze ring-closing metathesis (RCM), ring-opening (ROM) and cross metatheses (CM) reactions, and promote the efficient formation of various trisubstituted olefins at ambient temperature in high yield.

METHOD AND DEVICE FOR MANUFACTURING CURED LIGHT-CURING RESIN COMPOSITION

A technology for curing a photocurable resin composition by ultraviolet ray/infrared ray hybrid irradiation is provided. An infrared ray irradiation is applied at least one of before or after the application of ultraviolet ray irradiation to a photocurable resin composition, from which volatile components have been removed by a heating process, to have the photocurable resin composition cured. 19-. (canceled)10. An apparatus for curing a photocurable resin composition , comprising:transporting means for transporting a photocurable resin composition including at least one photo polymerization initiator, along a predetermined path;driving means for driving the transporting means at an arbitrarily set transport velocity;heating means for removing volatile components from the photocurable resin composition;an infrared ray irradiation device positioned above the transport path downstream of the heating means for applying infrared ray having a wavelength between 1 and 6 microns to the photocurable resin composition in order to increase a decomposition efficiency of said at least one photo polymerization initiator; andan ultraviolet ray irradiation device positioned above the transport path and downstream of the infrared ray irradiation device for applying ultraviolet ray to the photocurable resin composition for a predetermined period of time.1116-. (canceled)17. The apparatus of claim 10 , wherein the predetermined period of time is an ultraviolet ray irradiation time shorter than an irradiation time which is necessary for the photocurable resin composition to reach a predetermined degree of curing by an infrared ray irradiation of said infrared ray irradiation device alone claim 10 , thereby producing a degree of curing equal to or above the predetermined degree of curing.18. The apparatus of claim 17 , wherein the ultraviolet ray irradiation device applies the ultraviolet ray to the photocurable resin composition within 14 seconds after the application of the infrared ...

POLYMERIC GRAVURE PRINTING FORM AND PROCESS FOR PREPARING THE SAME WITH CURABLE COMPOSITION HAVING A MULTIFUNCTIONAL URETHANE

The invention pertains to a printing form and a process for preparing a polymeric printing form from a curable composition that includes a multifunctional urethane in a specified reactive group equivalent weight range, and an initiator. The process includes coating the curable composition onto a supporting substrate, such as a print cylinder, to form a layer, curing the layer with heat or by exposure to actinic radiation, and engraving the resulting cured layer to form at least one printing cell in the cured layer. The process prepares novel polymeric printing forms, particularly novel polymeric gravure printing forms, having a cured polymer-based composition layer that is engravable, resistant to solvent inks, and capable of printing gravure-quality images. The present invention shortens the time to prepare gravure printing cylinders and removes the need for and disposal of toxic heavy metals such as copper and chrome associated with conventional gravure print cylinder preparation. 1. (canceled)2. (canceled)3. (canceled)4. (canceled)5. (canceled)6. (canceled)7. (canceled)8. (canceled)9. (canceled)10. (canceled)11. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)17. (canceled)18. A printing form comprising a supporting substrate and a print surface adjacent to the supporting substrate , wherein the print surface is a cured layer of a curable composition comprising a multifunctional urethane , and an initiator , and optionally a reactive diluent , wherein the composition is characterized by a reactive group equivalent weight of the multifunctional urethane and the optional reactive diluent that is between 250 and 450 g/equivalent , and wherein the initiator is a photoinitiator , and is not an organic epoxide.19. A printing form precursor comprising:a supporting substrate; anda layer of a curable composition adjacent to the supporting substrate, wherein the curable composition comprises a multifunctional urethane, and an initiator, and optionally a ...

Photochromic polyrotaxane compound and curable composition comprising the photochromic polyrotaxane compound

A photochromic polyrotaxane compound which comprises an axial molecule and a plurality of cyclic molecules clathrating the axial molecule, wherein at least one side chain containing a photochromic moiety is bonded to at least one of the cyclic molecules, and a curable composition comprising the photochromic polyrotaxane compound and a polymerizable compound.

Adhesive composition

The present invention relates to an adhesive composition and an organic electronic device comprising the same, and provides an adhesive composition which can form a encapsulating structure capable of effectively blocking moisture or oxygen introduced from the outside into the organic electronic device, thereby securing the lifetime of the organic electronic device, and can improve processability by being easily applied in the process of forming the encapsulating structure of the organic electronic device, thereby preventing problems that air bubbles flow into the inside of the encapsulating structure or application nozzles are clogged, and an organic electronic device comprising the same.

Aqueous polyurethane - vinyl polymer hybrid dispersions

The invention relates to aqueous polyurethane-vinyl polymer hybrid dispersions comprising, as building blocks, hydrophobically modified hydroxy-functional polyesters A, acids B that have further groups which react with isocyanates under formation of urethanes, ureas, or thiourethanes, compounds G having only one hydroxyl group, and one or more tertiary amino groups, olefinically unsaturated monomers H2 having a polymerisable ethylenic unsaturation and a further functional group which reacts with an isocyanate group under bond formation, olefinically unsaturated monomers H1 having at least one polymerisable ethylenic unsaturation and no further functional group which reacts with an isocyanate group, and multifunctional isocyanates I having at least two isocyanate groups per molecule, to a process of their preparation, and to a method of use thereof.

MODIFIED LIQUID DIENE-BASED RUBBER AND PRODUCTION PROCESS FOR THE SAME

Provided is a modified liquid diene-based rubber having an acryloyl group or a methacryloyl group, which is highly compatible with various monomers, such as acrylate or methacrylate having relatively high polarity, which can form a curable resin composition containing the modified liquid diene-based rubber with good workability, which has a satisfactory curing rate during curing, and which is capable of providing the curable resin composition that forms a cured product having excellent mechanical properties derived from the modified liquid diene-based rubber and having excellent adhesion to various materials. Also provided is a curable resin composition containing the modified liquid diene-based rubber. The modified liquid diene-based rubber is a modified liquid diene-based rubber (A) having, in a molecule, a modified group (a) containing a (meth)acryloyl group as a part thereof and at least one modified group (b) selected from a dicarboxylic acid monoester and a dicarboxylic acid monoamide (with the proviso that the modified group (b) contains no (meth)acryloyl group as a part thereof), wherein the functional group equivalent weights of the modified group (a) and the modified group (b) are each in the range of 700 to 40,000 g/eq. 2: (canceled)3: The modified liquid diene-based rubber (A) of claim 1 , wherein the modified group (b) is a dicarboxylic acid monoester having an ester moiety of formula —COO—CHwherein n is an integer of 1≦n≦20 claim 1 , or a dicarboxylic acid monoester having an ester moiety of formula —COO—CHXwherein n is an integer of 1≦n≦20 claim 1 , m is a number of 1≦m≦2n+1 claim 1 , and X is a substituent.4: The modified liquid diene-based rubber (A) of claim 1 , wherein the modified group (a) is a dicarboxylic acid monoester comprising a (meth)acryloyl group as a part thereof.5: The modified liquid diene-based rubber (A) of claim 4 , wherein the modified group (a) is a dicarboxylic acid monoester having an ester group derived from hydroxyalkyl ( ...

CROSS-LINKED POLYMER MATRICES, AND METHODS OF MAKING AND USING SAME

Functionalized chondroitin sulfate, cross-linked polymer matrices comprising functionalized chondroitin sulfate, and methods of making and using the same are provided. Such polymer matrices may be used for tissue engineering, reconstructing cartilage, and the like. Kits are also provided for detection of cartilage degrading enzymes. 1. A composition comprising at least one monomeric unit of chondroitin sulfate functionalized by at least one polymerizable moiety.2. The composition according to claim 1 , wherein said composition comprises at least ten monomeric units of chondroitin sulfate.3. (canceled)4. The composition according to claim 2 , wherein said polymerizable moiety is selected from the group consisting of methacrylates claim 2 , ethacrylates claim 2 , itaconates claim 2 , acrylamides claim 2 , and aldehydes.5. The composition according to claim 4 , wherein said polymerizable moiety is methacrylate.6. (canceled)9. The composition of claim 1 , further comprising at least one monomeric unit of a biocompatible polymer.10. The composition of claim 9 , wherein said biocompatible polymer is polyethylene glycol.11. (canceled)12. A composition comprising a cross linked polymer matrix claim 9 , wherein said cross-linked polymer matrix comprises at least one monomeric unit of functionalized chondroitin sulfate.13. The composition of claim 12 , wherein said monomeric unit of chondroitin sulfate is functionalized with an alkenyl moiety.14. The composition of claim 12 , wherein said monomeric unit of chondroitin sulfate is functionalized with an aldehyde moiety.15. The composition of claim 13 , wherein said alkenyl moiety is methacrylate.1622.-. (canceled)23. The composition of claim 12 , wherein said cross-linked polymer matrix further comprises at least one monomeric unit of a biocompatible polymer.2426.-. (canceled)27. The composition of claim 23 , wherein said biocompatible polymer is poly(ethylene glycol).2837.-. (canceled)38. A method of producing a composition ...

Low temperature cure polymerization initiator

A polymerization initiator system for reactive monomers and unsaturated polymers which is contains a Group 4 transition metal or Group 4 transition metal-containing compound, peroxide or diazo compound that is capable of being reduced by the Group 4 transition metal or Group 4 transition metal-containing compound, and pinacol compound is disclosed. Further disclosed are methods for preparing the polymerization initiator and using the polymerization initiator for low temperature curing.

Polymeric printing form and process for preparing the same with curable composiiton having a multifunctional urethane

The invention pertains to a printing form and a process for preparing a polymeric printing form from a curable composition that includes a multifunctional urethane in a specified reactive group equivalent weight range, and an initiator. The process includes coating the curable composition onto a supporting substrate, such as a print cylinder, to form a layer, curing the layer with heat or by exposure to actinic radiation, and engraving the resulting cured layer to form at least one printing cell in the cured layer. The process prepares novel polymeric printing forms, particularly novel polymeric gravure printing forms, having a cured polymer-based composition layer that is engravable, resistant to solvent inks, and capable of printing gravure-quality images. The present invention shortens the time to prepare gravure printing cylinders and removes the need for and disposal of toxic heavy metals such as copper and chrome associated with conventional gravure print cylinder preparation.

Curable composition, resist material and resist film

A problem of The present invention is to provide a curable composition capable of forming a resist which can be easily washed after curing and which has high dry etching resistance and excellent precision of fine pattern transfer, also provide a resist film and a laminate each containing the curable composition, and further provide a pattern forming method using the resist film. The problem of the present invention can be solved by providing a curable composition containing a multifunctional polymerizable monomer (A) which has two or more groups having a polymerizable group and has at least one group Q having a polymerizable group represented by formula (1) below, the amount of silicon atoms in an nonvolatile content being 10 wt % or more.

Method and device for manufacturing cured light-curing resin composition

A technology for curing a photocurable resin composition by ultraviolet ray/infrared ray hybrid irradiation is provided. An infrared ray irradiation is applied at least one of before or after the application of ultraviolet ray irradiation to a photocurable resin composition, from which volatile components have been removed by a heating process, to have the photocurable resin composition cured. It becomes possible to relax the ultraviolet ray irradiation conditions for photo curing by applying an infrared ray irradiation as compared with the case in which the infrared ray irradiation is not applied, and, in particular, the scratch resistance characteristics of a cured film are significantly enhanced. Moreover, because of a combination of ultraviolet ray irradiation and infrared ray irradiation, the curing time period of a cured film can be reduced and/or stress relaxation effects can be produced. Besides, it becomes possible to control the reflectance of a cured film by varying an irradiation amount of infrared ray.

Functional Bottlebrush Polymers

An example of a bottlebrush polymer has a polymer backbone and a plurality of individual brush moieties bonded to the polymer backbone. The individual brush moieties respectively including a ketone, a hydrophilic segment, and a surface adhesive terminal group. The brush moieties can be functionalized and/or cross-linked.

Recyclable metathesis catalysts

Highly active, recoverable and recyclable transition metal-based metathesis catalysts and their organometallic complexes including dendrimeric complexes are disclosed, including a Ru complex bearing a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether ligand. The heterocyclic ligand significantly enhances the catalytic activity, and the styrenyl ether allows for the easy recovery of the Ru complex. Derivatized catalysts capable of being immobilized on substrate surfaces are also disclosed. The present catalysts can be used to catalyze ring-closing metathesis (RCM), ring-opening (ROM) and cross metatheses (CM) reactions, and promote the efficient formation of various trisubstituted olefins at ambient temperature in high yield.

ANTIFOULING FILM

The present invention provides an antifouling film that is excellent in antifouling properties, rubbing resistance, and adhesion. The antifouling film includes: a substrate; and a polymer layer disposed on a surface of the substrate and including on a surface thereof an uneven structure provided with projections at a pitch not longer than a wavelength of visible light, the polymer layer being a cured product of a polymerizable composition, the polymerizable composition containing, in terms of active components, 30 to 80 wt % of a polyfunctional acrylate, 10 to 30 wt % of a monofunctional amide monomer, 0.5 to 10 wt % of a fluorine-based release agent, and 5 to 30 wt % of a vinyl-based polymer containing a repeat unit represented by a predetermined formula. 2. The antifouling film according to claim 1 ,wherein the vinyl-based polymer includes a polyfunctional polymer containing 50 or more acryloyl groups per molecule.3. The antifouling film according to claim 2 ,wherein the polyfunctional polymer is a cationic polymer of 2-(2-vinyloxyethoxy)ethyl acrylate.4. The antifouling film according to claim 1 ,wherein the fluorine-based release agent contains a perfluoropolyether group.5. The antifouling film according to claim 1 ,wherein the monofunctional amide monomer includes N,N-dimethylacrylamide.6. The antifouling film according to claim 1 ,wherein the polymer layer has a surface that shows a contact angle of 130° or greater with water and a contact angle of 30° or greater with hexadecane.7. The antifouling film according to claim 1 ,wherein the polymer layer has a thickness of 5.0 μm or greater and 20.0 μm or smaller.8. The antifouling film according to claim 1 ,wherein the projections are formed at an average pitch of 100 nm or longer and 400 nm or shorter.9. The antifouling film according to claim 1 ,wherein the projections have an average height of 50 nm or greater and 600 nm or smaller.10. The antifouling film according to claim 1 ,wherein the projections have an ...

TRANSFER FILM, ELECTRODE PROTECTIVE FILM FOR ELECTROSTATIC CAPACITANCE-TYPE INPUT DEVICE, LAMINATE, METHOD FOR MANUFACTURING LAMINATE, AND ELECTROSTATIC CAPACITANCE-TYPE INPUT DEVICE

The transfer film includes a temporary support and a photosensitive transparent resin layer formed on the temporary support, in which the photosensitive transparent resin layer includes a binder polymer, a photopolymerizable compound having an ethylenic unsaturated group, a photopolymerization initiator, and a blocked isocyanate, the binder polymer is a carboxyl group-containing acrylic resin having an acid value of 60 mgKOH/g or more, and the transfer film is to protect electrodes in electrostatic capacitance-type input devices. 1. A transfer film for protecting electrodes in electrostatic capacitance-type input devices , the film comprising:a temporary support; anda photosensitive transparent resin layer formed on the temporary support,wherein the photosensitive transparent resin layer includes a binder polymer including a carboxyl group-containing acrylic resin having an acid value of 60 mgKOH/g or more, a photopolymerizable compound having an ethylenic unsaturated group, a photopolymerization initiator, and a blocked isocyanate.2. The transfer film according to claim 1 ,wherein a dissociation temperature of the blocked isocyanate is 100° C. to 160° C.3. The transfer film according to claim 1 ,wherein a thickness of the photosensitive transparent resin layer is 1 to 20 μm.4. The transfer film according to claim 1 ,wherein at least one photopolymerizable compound contains a carboxyl group.5. The transfer film according to claim 1 ,wherein the blocked isocyanate has an isocyanurate structure.6. The transfer film according to claim 1 , further comprising:a second transparent resin layer formed on the photosensitive transparent resin layer,wherein a refractive index of the second transparent resin layer is higher than a refractive index of the photosensitive transparent resin layer.7. An electrode protective film for an electrostatic capacitance-type input device obtained by removing a temporary support from the transfer film according to .8. A laminate formed by ...

Active energy ray-curable resin composition, coating material, coating film, and film

There are provided an active-energy-ray-curable resin composition of which a cured coating film has a high surface hardness, high transparency, high resistance to curling, and high surface smoothness; a coating material containing such a resin composition; a coating film formed of the coating material; and a film containing a layer of the coating film. In particular, an active-energy-ray-curable resin composition containing fine wet-process silica particles (A) subjected to a hydrophobic treatment and a compound (B) having a (meth)acryloyl group is provided. Also provided are a coating material containing such a resin composition, a coating film formed by curing the coating material, and a laminated film having a layer of the coating film.

Three-dimensional-forming photo-curable composition, method for producing three-dimensional article from the photo-curable composition, and resin

A three-dimensional-forming photo-curable composition includes a (meth)acrylic compound having a (meth)acryloyl group; a photo-radical generator; and a polyrotaxane having a plurality of cyclic molecules having at least one of a (meth)acryloyl group and a hydroxyl group.

Alkali-developable radiation curable composition

The invention provides a radiation curable polymer described as dianhydride- polyol extended epoxy acrylate bearing carboxylic groups, as represented by Formula (θ) below; which is useful in alkali-developable photosensitive formulations for the fabrication of printed circuit boards or flat panel displays.

Methods of Producing Vinyl Aromatic Polymers Using (Meth)Acrylic Macroinitiators

The present invention relates to the use of poly acrylic and/or methacrylic macroinitiators in the free radical addition reaction of vinyl aromatic monomers to improve the properties of the resulting copolymer and/or composite. More particularly, the present invention relates to the production of poly acrylic and/or poly methacrylic macroinitiators having nitroxyl end groups. Using such macroinitiators in the free radical addition reaction of vinyl aromatics such as polystyrene compatibilizes the acrylic monomer in the vinyl aromatic matrix thereby improving the properties of the resulting polymer.

Methods of producing vinyl aromatic polymers using (meth)acrylic macroinitiators

The present invention relates to the use of poly acrylic and/or methacrylic macroinitiators in the free radical addition reaction of vinyl aromatic monomers to improve the properties of the resulting copolymer and/or composite. More particularly, the present invention relates to the production of poly acrylic and/or poly methacrylic macroinitiators having nitroxyl end groups. Using such macroinitiators in the free radical addition reaction of vinyl aromatics such as polystyrene compatibilizes the acrylic monomer in the vinyl aromatic matrix thereby improving the properties of the resulting polymer.

Preparation of vinyl-containing macromers

Polymeric compositions of matter are described comprising olefin polymer chains having M n of about 400 to 75,000, a ratio of vinyl groups to total olefin groups according to the formula vinyl     groups olefin     groups ≥ [ comonomer     mole     percentage + 0.1 ] a × 10 a × b ( 1 ) where, a=−0.24 and b=0.8, and where the total number of vinyl groups per 1000 carbon atoms is greater than or equal to 8000÷M n . The invention includes a method for preparing these polymeric products comprising contacting one or more olefin comonomers with a catalyst system containing a transition metal catalyst compound and an alumoxane wherein the aluminum to transition metal ratio is from 10:1 to less than or equal to 220:1 (Al:Me). The process conditions of the invention permit predictable macromer characteristics of both molecular weight and vinyl unsaturation.

Propylene polymers incorporating polyethylene macromers

A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.

Propylene polymers incorporating polyethylene macromers

A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.

Propylene polymers incorporating polyethylene macromers

A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.

Propylene polymers incorporating polyethylene macromers

A polyolefin product is provided which comprises a branched olefin copolymer having an syndiotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the syndiotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing syndiotactic polypropylene; and c) recovering a branched olefin copolymer.

Oligomeric chain extenders for processing, post-processing and recycling of condensation polymers, synthesis, compositions and applications

The invention provides chain extenders made from epoxy-functional (meth)acrylic monomers and styrenic and/or (meth)acrylic monomers. The invention further provides polymeric compositions made from the chain extenders and plastic articles made from the compositions. Finally, the invention provides methods of using the chain extenders to improve the properties of virgin, recycled, and reprocessed condensation polymers.

Polymer and process for producing the same

The present invention relates to a polymer having a melt tension (MT (g)) substantially the same as or lower than that of a conventional polymer which is substantially the same as the polymer in the recurring unit of the main skeleton, the molecular weight, the molecular weight distribution and the crystallinity, and having a flow activation energy (Ea (KJ/mol)) larger than a value obtained by adding 5 KJ/mol to the Ea value of the conventional polymer. A preferred example of the polymer is a branched polyolefin comprising 50 to 100% by mol of recurring units derived from ethylene and 0 to 50% by mol of recurring units derived from an α-olefin of 3 to 20 carbon atoms and having the following properties: the flow activation energy (Ea (KJ/mol)) and the α-olefin content (C (% by weight)) satisfy a specific relation, and the melt tension (MT (g)) and the melt flow rate (MFR (g/10 min)) satisfy a specific relation. This branched polyolefin is excellent in moldability and mechanical strength.

Propylene polymers incorporating polyethylene macromers

High melt strength polyethylene compositions

The invention is a polyethylene composition having a polydispersity index of less than or equal to 3, an average branching index (g') as measured by GPC/Vis≧0.9, and a melt strength (MS) (centiNewton, 190° C.) that satisfies the relationship: ##EQU1## In a preferred embodiment these polyethylene compositions comprise A) branched polyethylene copolymers prepared by insertion polymerization of ethylene, ethylene-containing macromers, and optionally, additional copolymerizable monomers, and B) essentially linear ethylene copolymers. Improved melt strength without sacrificing the benefits of narrow polydispersity index are exhibited by the invention compositions.

Preparation of vinyl-containing macromers

A composition of matter comprising vinyl ended copolymer chains having a number average molecular weight (M n ) of about 1500 to 75,000, the number average molecular weight being determined by gel permeation chromatography (GPC) at 145° C., a ratio of vinyl groups to total olefin groups according to the formula vinyl     groups olefin     groups ≥ ( comonomer     mole     percent + 0.1 ) a × 10 a × b ( 1 ) where a and b have the following sets of valuer: when a=−0.24, b=0.8; when a=−0.20, b=0.8; when a=−0.18, b=0.83; when a=−0.15, b=0.83; and when a=−0.10, b=0.85; and where the total number of vinyl groups per 1000 carbon atoms is in the range from greater than 0.13 to less than 9.85, the vinyl group measurement being taken by GPC (145° C.) and 1 H-NMR (125° C.).

Polyolefin compositions

The present invention relates to polyolefin compositions that incorporate an acrylic/polyether comb-branched copolymer, articles made from the compositions, such as polyolefin films and polyolefin fibers, and methods for making the compositions and the articles.

Polyolefin compositions

The present invention relates to polyolefin compositions that incorporate an acrylic/polyether comb-branched copolymer, articles made from the compositions, such as polyolefin films and polyolefin fibers, and methods for making the compositions and the articles.

Recyclable metathesis catalysts

Highly active, recoverable and recyclable transition metal-based metathesis catalysts and their organometallic complexes including dendrimeric complexes are disclosed, including a Ru complex bearing a 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene and styrenyl ether ligand. The heterocyclic ligand significantly enhances the catalytic activity, and the styrenyl ether allows for the easy recovery of the Ru complex. Derivatized catalysts capable of being immobilized on substrate surfaces are also disclosed. The present catalysts can be used to catalyze ring-closing metathesis (RCM), ring-opening (ROM) and cross metatheses (CM) reactions, and promote the efficient formation of various trisubstituted olefins at ambient temperature in high yield.

Acrylic pressure sensitive adhesive formulation and articles comprising same

Pressure sensitive adhesive formulations of an acrylic polymer grafted with a macromer are particularly well suited for use in the manufacture of impact resistant articles such as impact resistant glass laminates and products comprising such laminates.

含乙烯基的大分子单体的制备

本发明描述一种聚合物组合物,包括M n 为约400至75000的烯烃聚合物链,乙烯基与总烯属基团之比满足式(1),其中a=－0.24和b=0.8,和每1000个碳原子的乙烯基总数大于或等于8000÷M n 。本发明包括这些聚合产物的制备方法,包括使一或多种烯烃共聚单体与含有过渡金属催化剂化合物和铝氧烷的催化剂溶液体系接触,其中铝与过渡金属之比为10∶1至低于或等于200∶1(Al∶Me)。本发明的工艺条件可预计大分子单体的分子量和乙烯基不饱和特征。乙烯基/烯属基团≥[共聚单体的摩尔百分率+0.1] a ×10 a ×b (1)。

フッ素系重合体および樹脂組成物

　分子内に一つの付加重合性官能基を有するフルオロルシルセスキオキサンに由来する構成単位Ａ、付加重合性官能基を有するオルガノポリシロキサンに由来する構成単位Ｂ、活性水素を有する基を含む付加重合性単量体に由来する構成単位Ｃ、および任意に、前記分子内に一つの付加重合性官能基を有するフルオロルシルセスキオキサン、付加重合性官能基を有するオルガノポリシロキサン、および活性水素を有する基を含む付加重合性単量体以外の付加重合性単量体に由来する構成単位Ｄを含む重合体。

Fluorine-containing polymer and resin composition

A polymer containing: a constitutional unit A that is derived from fluorosilsesquioxane having one addition polymerizable functional group in a molecule; a constitutional unit B that is derived from organopolysiloxane having an addition polymerizable functional group; and a constitutional unit C that is derived from an addition polymerizable functional monomer containing a group having active hydrogen, and optionally containing a constitutional unit D that is derived from an addition polymerizable monomer other than the fluorosilsesquioxane having one addition polymerizable functional group in a molecule, the organopolysiloxane having an addition polymerizable functional group and the addition polymerizable monomer containing a group having active hydrogen.

フッ素系重合体および樹脂組成物

分子内に一つの付加重合性官能基を有するフルオロルシルセスキオキサンに由来する構成単位Ａ、付加重合性官能基を有するオルガノポリシロキサンに由来する構成単位Ｂ、活性水素を有する基を含む付加重合性単量体に由来する構成単位Ｃ、および任意に、前記分子内に一つの付加重合性官能基を有するフルオロルシルセスキオキサン、付加重合性官能基を有するオルガノポリシロキサン、および活性水素を有する基を含む付加重合性単量体以外の付加重合性単量体に由来する構成単位Ｄを含む重合体。

Cross-linked polymer matrices, and methods of making and using same

Functionalized chrondroitin sulfate, cross-linked polymer matrices comprising functionalized chrondroitin sulfate, and methods of making and using the same are provided. Such polymer matrices may be used for tissue engineering, reconstructing cartilage, and the like. Kits are also provided for detection of cartilage degrading enzymes.

Alkali-developable radiation curable composition

The invention provides a radiation curable polymer described as dianhydride- polyol extended epoxy acrylate bearing carboxylic groups, as represented by Formula (θ) below; which is useful in alkali-developable photosensitive formulations for the fabrication of printed circuit boards or flat panel displays.

Photosensitive resin composition and cured article thereof

A photosensitive resin composition which is excellent in photosensitivity and excellent in flame resistance, flexibility, adhesiveness, pencil hardness, resistance to solvent, acid resistance, heat resistance, resistance to gold plating and the like and a cured article thereof are provided. An alkaline aqueous solution-soluble photosensitive resin composition containing an alkaline aqueous solution-soluble resin (A) obtained by adding a polybasic acid anhydride (c) to a resin (C) which is a reaction product of an epoxy resin (a) represented by the formula (1) with an unsaturated monocarboxylic acid (b), an epoxy resin (a′) represented by the formula (1) as a curing agent (B) and a photopolymerization initiator. [In the formula, n represents a positive number of 1 to 10 as an average value.]

Photosensitive resin composition and cured product thereof

Process for preparing plugged-through-hole printed wiring board and plugged-through-hole printed wiring board

A photo-setting and thermosetting resin composition comprises ( I ) a partial adduct of epoxy resin with unsaturated aliphatic acid, (II) (meth)acrylates, (III) a photocrosslinking agent, (IV) liquid epoxy resin, and (V) a latent curing agent. The resin composition can be easily charged and plugged into a through-hole, does not drip down, and can be effectively photo-set and thermoset. A photo-set product prepared of the resin composition can be easily polished. A plugged-through-hole printed wiring (substrate) board prepared of the resin composition does not cause defects such as hollows, cracks, blisters, peelings and so on, is excellent in solder-resistance, does not corrode a metal part, and can produce an appliance of high reliability and long life which does not occur short circuit and poor electrical connection.

Novel epoxy compound, alkali-developable resin composition, and alkali-developable photosensitive resin composition

Disclosed is a novel epoxy compound represented by the general formula (I), which is characterized by having a benzo- or naphtho-cycloalkane skeleton. (I) wherein X, Y and Z independently represent an alkyl group having 1 to 10 carbon atoms which may be substituted by a halogen atom, an aryl group having 6 to 20 carbon atoms which may be substituted by a halogen atom, an arylalkyl group having 7 to 20 carbon atoms which may be substituted by a halogen atom, a heterocyclic group having 2 to 20 carbon atoms which may be substituted by a halogen atom, or a halogen atom; k represents a number of 0 to 4; p represents a number of 0 to 8; r represents a number of 0 to 4; n represents a number of 0 to 10; x represents a number of 0 to 4; and y represents a number of 0 to 4, provided that the sum total of x and y ranges from 2 to 4, and the optical isomer which is present when n is not 0 may be of any type.

Photocuring/thermosetting resin composition, curing/setting product thereof and printed wiring board obtained using the same

A photocurable and thermosetting resin composition comprising (A) a carboxyl-group containing resin, (B) an oxime ester-based photopolymerization initiator containing an oxime ester group, (C) an aminoacetophenone-based photopolymerization initiator and/or a phosphine oxide-based photopolymerization initiator, (D) a compound having at least two ethylenically unsaturated groups in its molecule, (E) a filler, and (F) a thermosetting component is capable of being developed with a dilute alkaline solution and cured with a laser emission source having a maximum wavelength of 350 nm to 420 nm.

Solder resist composition, coated printed wiring board

열경화성 수지 조성물 및 디스플레이 장치

[과제] 경화에 의해, 전극보호막, 평탄화막 및 절연막에 대한 기본적인 요구 성능을 만족시킴과 동시에, 저온에서 높은 경도를 구비한 막이 되는 열경화성 수지 조성물을 제공하는 것에 있다. 또한, 기계적 강도가 우수한 디스플레이 장치를 제공하는 것에 있다. [해결수단] 열경화성 수지 조성물은, 말단에 불포화 결합을 갖는 측쇄를 가지는 아크릴 중합체와, 산 또는 열산 발생제와, 실세스퀴옥산과, 벤젠환에 직접 결합한 비닐기를 2개 이상 갖는 화합물과, 용제를 함유한다. 아크릴 중합체에서 측쇄의 말단은, 아크릴로일기, 메타크릴로일기, 비닐페닐기 또는 이소프로펜일페닐기인 것이 바람직하다. 산 또는 열산 발생제는, 아크릴 중합체 100질량부에 대하여 0.1 내지 30질량부가 되는 양으로 함유되는 것이 바람직하다.

Photocuring/thermosetting resin composition, curing/setting product thereof and printed wiring board obtained using the same

A photocuring/thermosetting resin composition comprising carboxylated resin (A), oxime ester photopolymerization initiator (B) having an oxime ester group, aminoacetophenone photopolymerization initiator and/or phosphine oxide photopolymerization initiator (C), compound (D) having two or more ethylenic unsaturated groups in each molecule, filler (E) and thermosetting component (F). This photocuring/thermosetting resin composition is developable with the use of a dilute alkali solution and can be cured or set by a laser emission source of 350 to 420 nm maximum wavelength.

Urethane oligomer, resin compositions thereof, and cured article thereof

The present invention relates to a new urethane oligomer (A) and a resin composition comprising (A) and an unsaturated group containing polycarboxylic acid resin (B) that can be diluted with water and is excellent in providing a cured product and that is suitable for a solder resist and an interlayer dielectric layer because the cured product is excellent in flexibility, soldering-heat resistance or the like and allows a development with an organic solvent or a dilute alkali solution; a photosensitive resin composition suitable for an etching resist or a cover lay; and a photosensitive film obtained thereby.

Photosensitive, aqueous alkaline solution-soluble polyimide resin and photosensitive resin composition containing the same

Disclosed is a photosensitive, aqueous alkaline solution-soluble polyimide resin (A) obtained by reacting a polyimide resin (a), which is obtained by reacting tetracarboxylic acid dianhydride with a diamine compound, with an energy ray-curable, aqueous alkaline solution-soluble resin (b). By blending this photosensitive, aqueous alkaline solution-soluble polyimide resin (A) with a photopolymerization initiator or the like, there is obtained a photosensitive resin composition excellent in photosensitivity. This photosensitive resin composition enables to obtained a cured product excellent in flexibility, low warping property, adhesion, solvent resistance, acid resistance, heat resistance, gold plating resistance and the like.

Photosensitive resin composition, cured product, insulating material, resin material for solder resists and resist member

Provided are: a photosensitive resin composition comprising an acid group-containing (meth)acrylate resin (A) and a photopolymerization initiator (B), characterized in that the photopolymerization initiator (B) is a compound represented by general formula (1); a cured product that is a product of a curing reaction of the photosensitive resin composition; an insulating material; a resin material for solder resists; and a resist member. The photosensitive resin composition has a high photosensitivity and is capable of forming a cured product that has an excellent heat tolerance and generates little outgas.

Photocurable / thermosetting resin composition, cured product thereof, and printed wiring board obtained using the same

Photocuring/thermosetting resin composition, curing/setting product thereof and printed wiring board obtained using the same

(A) 카르복실기 함유 수지, (B) 옥심에스테르기를 포함하는 옥심에스테르계 광 중합 개시제, (C) 아미노아세토페논계 광 중합 개시제 및/또는 포스핀옥시드계 광 중합 개시제, (D) 분자 중에 2개 이상의 에틸렌성 불포화기를 갖는 화합물, (E) 충전제, 및 (F) 열 경화성 성분을 함유하는 광 경화성·열 경화성 수지 조성물은 묽은 알칼리 용액에 의해 현상 가능할 뿐만 아니라, 최대 파장이 350 nm 내지 420 nm인 레이저 발진 광원에 의해 경화 가능하다. (A) carboxyl group-containing resin, (B) oxime ester type photoinitiator containing an oxime ester group, (C) aminoacetophenone type photoinitiator, and / or phosphine oxide type photoinitiator, (D) two in a molecule | numerator The photocurable thermosetting resin composition containing the compound which has the above ethylenically unsaturated group, (E) filler, and (F) thermosetting component is not only developable by a dilute alkali solution, but has a maximum wavelength of 350 nm to 420 nm. Curable by a laser oscillation light source.

光固化性热固化性树脂组合物、光固化性热固化性薄膜、固化物、具备固化物的印刷电路板

本发明提供适合于获得与基板的密合性、耐化学药品性、耐焊接热性能、PCT耐性、耐冷热冲击性、耐化学镀金性、电绝缘性等优异的固化覆膜的稀碱显影型的光固化性热固化性树脂组合物。本发明的光固化性热固化性树脂组合物的特征在于，其含有：含羧基树脂、具有下述通式（1）~（3）所示结构的感光性树脂以及光聚合引发剂。（式（1）中，R 1 表示下述式（2）的基团；R 2 表示甲基或OR 1 基；n+m=1.5~6.0、n=0~6.0、m=0~6.0、l=0~3、n:m=100:0~0:100。）（式（2）中，R 3 表示氢或甲基；R 4 表示下述（3）的基团或氢；k=0.3~10.0。）（式（3）中，R 5 表示氢或甲基）。

우레탄 올리고머, 그의 수지조성물, 그의 경화물

본 발명은 물로 희석할 수 있고 경화물성(경화성, 밀착성, 내수성)이 우수한 수지 및 수지조성물, 경화물의 가요성이나 땜납내열성이 우수하며 유기용제 또는 희석 알칼리 용액에서 현상할 수 있어 솔더 레지스트용 및 층간 절연층용으로 적합한 수지조성물 및 에칭 레지스트나 커버 레이용으로 적합한 감광성 수지조성물 및 이를 이용한 감광성 필름을 제공한다. 폴리올 화합물(a), 1 분자당 적어도 2개의 산무수물기를 갖는 다염기 산무수물(b), 폴리이소시아네이트 화합물(c) 및 에틸렌성 불포화기 함유 하이드록시 화합물(d)을 반응시켜 수득되는 우레탄 올리고머(A), 및 (1) 이 올리고머(A), (2) 불포화기 함유 폴리카르복시산(B), (메타)아크릴레이트류 등과 같은 반응성 희석제(C-1), 카르비톨 아세테이트 등과 같은 비반응성 희석제(C-2) 및 열가소성 중합체(D)로부터 선택되는 1종 또는 2종 이상의 수지 및 (3) 광중합 개시제를 함유하는 수지조성물 및 감광성 필름.

Gels for encapsulation of biological materials

This invention provides novel methods for the formation of biocompatible membranes around biological materials using photopolymerization of water soluble molecules. The membranes can be used as a covering to encapsulate biological materials or biomedical devices, as a "glue" to cause more than one biological substance to adhere together, or as carriers for biologically active species. Several methods for forming these membranes are provided. Each of these methods utilizes a polymerization system containing water-soluble macromers, species which are at once polymers and macromolecules capable of further polymerization. The macromers are polymerized using a photoinitiator (such as a dye), optionally a cocatalyst, optionally an accelerator, and radiation in the form of visible or long wavelength UV light. The reaction occurs either by suspension polymerization or by interfacial polymerization. The polymer membrane can be formed directly on the surface of the biological material, or it can be formed on material which is already encapsulated.

固化性组合物以及产品

本发明提供一种含有即使在空气中使用也能大幅抑制由氧引起的聚合阻碍而进行适当的固化反应，并且能确保组合物的设计的自由度的有机聚合物的固化性组合物以及产品。固化性组合物含有：(A)具有通式(1)所示的基团的有机聚合物；以及选自由(B1)光引发剂、以及(B2)热引发剂构成的组中的至少一种引发剂。[化学式1](通式(1)中，R 1 表示‑H或者‑CH 3 ，X为连结基，连结基为取代或未取代的亚烷基、取代或未取代的亚芳基、极性连结基〔(硫)醚连结基、‑O‑CO‑连结基、‑O‑CO‑NH‑连结基、‑NR 2 ‑连结基(R 2 表示氢基、取代或未取代的烷基、取代或未取代的芳基、含有杂环结构的基团、或者具有多个环的基团)〕、或者直接键合)。[化学式1]

Resin, photosensitive resin composition, cured resin film, and image display device

A resin which comprises: a component derived from an unsaturated monomer (a-1) having a single functional group reactive with acid groups; a component derived from an epoxy compound (a-2) having two or more epoxy groups; and a component derived from a compound (a-3) having three or more acid groups.

光敏性树脂组合物及其固化制品

提供一种光敏性树脂组合物及其固化制品，所述光敏性组合物具有极佳的光敏性和极佳的阻燃性、挠性、粘合性、铅笔硬度、耐溶剂性、耐酸性、耐热性、耐镀金性等。一种可溶于碱性水溶液的光敏性树脂组合物，该组合物包含：可溶于碱性水溶液的树脂(A)，所述树脂(A)通过向树脂(C)中加入多元酸酐(c)制得，所述树脂(C)是通式(1)表示的环氧树脂(a)和不饱和一元羧酸(b)的反应产物；作为固化剂(B)的通式(1)表示的环氧树脂(a′)和光聚合引发剂，其中n表示1－10的正数，为平均值。

光敏性树脂组合物及其固化制品

提供一种光敏性树脂组合物及其固化制品，所述光敏性组合物具有极佳的光敏性和极佳的阻燃性、挠性、粘合性、铅笔硬度、耐溶剂性、耐酸性、耐热性、耐镀金性等。一种可溶于碱性水溶液的光敏性树脂组合物，该组合物包含：可溶于碱性水溶液的树脂(A)，所述树脂(A)通过向树脂(C)中加入多元酸酐(c)制得，所述树脂(C)是通式(1)表示的环氧树脂(a)和不饱和一元羧酸(b)的反应产物；作为固化剂(B)的通式(1)表示的环氧树脂(a′)和光聚合引发剂：

Photo-setting and thermosetting resin composition, process for preparing plugged-through-hole printed wiring board and plugged-through-hole printed wiring board

A photo-setting and thermosetting resin composition comprises (I) a partial adduct of epoxy resin with unsaturated aliphatic acid, (II) (meth)acrylates, (III) a photocrosslinking agent, (IV) liquid epoxy resin, and (V) a latent curing agent. The resin composition can be easily charged and plugged into a through-hole, does not drip down, and can be effectively photo-set and thermoset. A photo-set product prepared of the resin composition can be easily polished. A plugged-through-hole printed wiring (substrate) board prepared of the resin composition does not cause defects such as hollows, cracks, blisters, peelings and so on, is excellent in solder-resistance, does not corrode a metal part, and can produce an appliance of high reliability and long life which does not occur short circuit and poor electrical connection.

Photo-setting and thermosetting resin composition, process for preparing plugged-through-hole printed wiring board and plugged-through-hole printed wiring board

A photo-setting and thermosetting resin composition comprises (I) a partial adduct of epoxy resin with unsaturated aliphatic acid, (II) (meth)acrylates, (III) a photocrosslinking agent, (IV) liquid epoxy resin, and (V) a latent curing agent. The resin composition can be easily charged and plugged into a through-hole, does not drip down, and can be effectively photo-set and thermoset. A photo-set product prepared of the resin composition can be easily polished. A plugged-through-hole printed wiring (substrate) board prepared of the resin composition does not cause defects such as hollows, cracks, blisters, peelings and so on, is excellent in solder-resistance, does not corrode a metal part, and can produce an appliance of high reliability and long life which does not occur short circuit and poor electrical connection.

Nonstyrenated polyester and vinylester resins

感光性树脂组合物、固化物、绝缘材料、阻焊剂用树脂材料和抗蚀构件

本发明提供感光性树脂组合物、作为前述感光性树脂组合物的固化反应物的固化物、绝缘材料、阻焊剂用树脂材料和抗蚀构件，所述感光性树脂组合物的特征在于，含有：含酸基的(甲基)丙烯酸酯树脂(A)、和光聚合引发剂(B)，前述光聚合引发剂(B)为通式(1)所示的化合物。该感光性树脂组合物具有高的感光度，可以形成耐热性优异、且不易产生排气的固化物。

Photosensitive resin composition and cured article thereof

[과제] 광감도가 우수하고, 난연성, 굴곡성, 밀착성, 연필경도, 내용매성, 내산성, 내열성, 내금도금성 등이 우수한 감광성 수지 조성물, 및 그의 경화물을 제공한다. [PROBLEMS] To provide a photosensitive resin composition excellent in photosensitivity, excellent in flame retardancy, flexibility, adhesion, pencil hardness, solvent resistance, acid resistance, heat resistance, plating resistance, and the like, and a cured product thereof. [해결수단] 화학식(1)로 표시되는 에폭시 수지(a)와 불포화 모노카르복시산(b)의 반응 생성물인 수지(C)에 다염기산 무수물(c)을 부가하여 얻을 수 있는 알칼리 수용액 가용성 수지(A), 및 경화제(B)로서 화학식(1)로 표시되는 에폭시 수지(a')를 함유하는 알칼리 수용액 가용성 감광성 수지 조성물: [Solution] Alkali aqueous solution soluble resin (A) obtained by adding polybasic anhydride (c) to resin (C) which is a reaction product of epoxy resin (a) and unsaturated monocarboxylic acid (b) represented by formula (1). And an aqueous alkali solution soluble photosensitive resin composition containing an epoxy resin (a ') represented by the formula (1) as a curing agent (B): (1) (One) 식 중에서, n은 평균치 1 내지 10의 정수를 나타낸다. In formula, n represents the integer of average value 1-10. 광감도, 난연성, 에폭시 수지, 불포화 모노카르복시산, 다염기산 무수물, 알칼리 수용액 가용성 감광성 수지, 경화제, 광중합개시제 Photosensitivity, flame retardancy, epoxy resin, unsaturated monocarboxylic acid, polybasic acid anhydride, alkali aqueous solution soluble photosensitive resin, curing agent, photopolymerization initiator

Photocurable and thermosetting resin composition, cured product thereof and printed circuit board obtained using the same

A photocurable and thermosetting resin composition comprising (A) a carboxyl-group containing resin, (B) an oxime ester-based photopolymerization initiator containing an oxime ester group, (C) an aminoacetophenone-based photopolymerization initiator and/or a phosphine oxide-based photopolymerization initiator, (D) a compound having at least two ethylenically unsaturated groups in its molecule, (E) a filler, and (F) a thermosetting component is capable of being developed with a dilute alkaline solution and cured with a laser emission source having a maximum wavelength of 350 nm to 420 nm.

Photo-curable thermosetting resin composition

Disclosed is a dilute alkali development-type photo-curable thermosetting resin composition which is suitable for use in obtaining a cured coating film which exhibits excellent adhesion with a substrate, chemical resistance, solder heat resistance, PCT resistance, thermal shock resistance, electroless gold plating resistance, electrical insulation properties, etcetera. The disclosed photo-curable thermosetting resin composition is characterised by comprising: a carboxyl group-containing resin, a photosensitive resin having a structure represented by general formulas (1)-(3), and a photopolymerization initiator. (In formula (1) R 1 represents the group represented by formula (2), R 2 represents a methyl group or an OR 1 group, n+m=1.5-6.0, n=0-6.0, m=0-6.0, 1=0-3, and n:m=100:0-0:100.) (In formula (2) R 3 represents hydrogen or a methyl group, R 4 represents hydrogen or the group represented by formula (3), and k=0.3-10.0) (In formula (3) R 5 represents hydrogen or a methyl group.)

Radiation curable coating compositions, related coatings and methods

Radiation curable coating compositions are disclosed. The radiation curable coating composition comprises a) an organic film-forming binder comprising (i) a urethane (meth)acrylate comprising the reaction product of reactants comprising a polyol and a polyisocyanate comprising at least two (meth)acrylate functional groups per molecule; and (ii) a highly functional (meth)acrylate; and b) a (meth)acrylate functional silsesquioxane dispersed in the binder. Also disclosed are related methods for coating a substrate, coated substrates and cured coatings formed from the radiation curable coating compositions.

Urethane oligomer, its resin composition, its cured product

Photocuring/thermosetting resin composition, curing/setting product thereof and printed wiring board obtained using the same

Adhesive compositions containing low molecular weight polymeric additives

Adhesive compositions comprising (a) adhesive polymers or copolymers prepared from monomers selected from the group consisting of styrene, butadiene, acrylonitrile, ethylene, vinyl acetate, acrylic acid, esters of acrylic acid, methacrylic acid and esters of methacrylic acid or combinations thereof; and (b) from 1 to 55% on a dry weight basis of a polymeric additive comprising a low molecular weight polymer having a number average molecular weight of 20,000 or less and which comprises polymerized units of at least one ethylenically unsaturated monomer and 5 weight percent or less of a polymerized acid-containing monomer. In preferred form, the polymeric additive is polymerized in the presence of a metal chelate chain transfer agent. In certain embodiments, the polymeric additive has a midpoint T g of at least 0° C. or greater. Further embodiments of the present invention include methods for forming the polymeric additive in situ in the adhesive composition.

Thermoplastic elastomer compositions from branched olefin copolymers

The invention relates to a thermoplastic elastomer composition comprising a branched olefin copolymer derived from olfinically unsaturated monomers capable of insertion polymerization having A) a Tg as measured by DSC less than or equal to 10 °C; B) Tm greater than 80 °C; C) an elongation at break of greater than or equal to 300 %; D) a tensile strength of greater than or equal to 1,500 psi (10,300 kPa); and E) an elastic recovery of greater than or equal to 50 %. The invention also relates to process for preparing the invention composition comprising: A) polymerizing ethylene or propylene and optionally, one or more copolymerizable monomers in a polymerization reaction under conditions sufficient to form copolymer having greater than 40 % chain end-group unsaturation; B) copolymerizing the product of A) with ethylene and one or more comonomers so as to prepare said branched olefin copolymer. The branched olefin copolymer compositions of the invention are suitable as replacements for styrene block copolymer compositions and in other traditional thermoplastic elastomer applications.

Multilayer film with hot tack property

A multilayer film includes a first layer comprising a blend of a polyolefin, a cyclic olefin copolymer, and polypropylene, and a second layer comprising a polymeric composition having a melting point of less than 130° C. An alternative multilayer film includes a first layer comprising a polyolefin; a second layer comprising a blend of a cyclic olefin copolymer and polypropylene; and a third layer comprising a polymeric composition having a melting point of less than 130° C. A substrate, such as polymeric film, metal, or paper-board, may be bonded to either multilayer film to form a laminate. Methods of triggering a multilayer film are also disclosed, in which the film is subjected to a dosage of actinic radiation effective to trigger the oxygen scavenger in the film.

Thermoplastic elastomer compositions from branched olefin copolymers

The invention relates to a thermoplastic elastomer composition comprising a branched olefin copolymer derived from olefinically unsaturated monomers capable of insertion polymerization having A) a T g as measured by DSC less than or equal to 10° C.; B) T m greater than 80° C.; C) an elongation at break of greater than or equal to 300%; D) a tensile strength of greater than or equal to 1,500 psi (10,300 kPa); and E) an elastic recovery of greater than or equal to 50%. The invention also relates to process for preparing the invention composition comprising: A) polymerizing ethylene or propylene and optionally, one or more copolymerizable monomers in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; B) copolymerizing the product of A) with ethylene and one or more comonomers so as to prepare said branched olefin copolymer. The branched olefin copolymer compositions of the invention are suitable as replacements for styrene block copolymer compositions and in other traditional thermoplastic elastomer applications.

High melt strength polyethylene compositions

The invention is a polyethylene composition having a polydispersity index of less than or equal to 3, an average branching index (g') as measured by GPC/Vis≥0.9, and a melt strength (MS) (centipoise, 190 °C) that satisfies the relationship: MS≥3.0/Melt Index (2.16Kg/190 °C)+4.5. In a preferred embodiment, these polyethylene compositions comprise A) branched polyethylene copolymers prepared by insertion polymerization of ethylene, ethylene-containing macromers, and optionally, additional copolymerizable monomers, and B) essentially linear ethylene copolymers. Improved melt strength without sacrifing the benefits of narrow polydispersity index are exhibited by the invention compositions.

Branched polar group-containing olefin copolymer

Thermoplastic elastomer compositions from branched olefin copolymers

The invention relates to a thermoplastic elastomer composition comprising a branched olefin copolymer derived from olfinically unsaturated monomers capable of insertion polymerization having A) a Tg as measured by DSC less than or equal to 10 °C; B) Tm greater than 80 °C; C) an elongation at break of greater than or equal to 300 %; D) a tensile strength of greater than or equal to 1,500 psi (10,300 kPa); and E) an elastic recovery of greater than or equal to 50 %. The invention also relates to process for preparing the invention composition comprising: A) polymerizing ethylene or propylene and optionally, one or more copolymerizable monomers in a polymerization reaction under conditions sufficient to form copolymer having greater than 40 % chain end-group unsaturation; B) copolymerizing the product of A) with ethylene and one or more comonomers so as to prepare said branched olefin copolymer. The branched olefin copolymer compositions of the invention are suitable as replacements for styrene block copolymer compositions and in other traditional thermoplastic elastomer applications.

Propylene polymers incorporating polyethylene macromers

A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40% chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.

High melt strength polyethylene compositions

The invention is a polyethylene composition having a polydispersity index of less than or equal to 3, an average branching index (g') as measured by GPC/Vis≥0.9, and a melt strength (MS) (centipoise, 190 °C) that satisfies the relationship: MS≥3.0/Melt Index (2.16Kg/190 °C)+4.5. In a preferred embodiment, these polyethylene compositions comprise A) branched polyethylene copolymers prepared by insertion polymerization of ethylene, ethylene-containing macromers, and optionally, additional copolymerizable monomers, and B) essentially linear ethylene copolymers. Improved melt strength without sacrifing the benefits of narrow polydispersity index are exhibited by the invention compositions.

Branched olefin copolymer, process for producing the same, and use thereof

A branched olefin copolymer demonstrating excellent performance in various uses, comprising a building block (A) represented by formula (1) below and a building block (B) represented by formula (2) below, obtained by e.g. a method which involves sequentially conducting (step 1) a step of synthesizing a polar group-containing olefin copolymer (Q) containing at least one functional group (G) selected from a hydroxyl group, a carboxylic acid group, an ester group, an amino group, an epoxy group, a silanol group and an acid anhydride group, (step 2) a step of converting the functional group (G) into a group having an ability to initiate radical polymerization, and (Step 3) a step of installing a polymer segment (Z) by radical polymerization of a monomer essentially comprising carbon-carbon double bond-containing compound (R) containing at least one selected from an oxygen atom, a nitrogen atom, a halogen atom and an aryl group;

Branched polypropylene

Provided is a method for the production of a polypropylene comprising branches in the polymer backbone, which method comprises: (a) forming macromers from an olefin monomer; and (b) polymerising propylene in the presence of the macromers and a catalyst, under polymerising conditions which favour the incorporation of the macromers into the polypropylene backbone, to form a branched polypropylene; wherein the catalyst employed in step (a) comprises a metallocene catalyst which promotes a chain terminating Palkyl elimination reaction to form terminal unsaturated groups in the macromers.

Vibration absorber composition

A composition for use as vibration absorbers. The composition has excellent vibration-damping properties in an atmosphere having a temperature not lower than room temperature, can have excellent elasticity, and can be molded by compression molding. The composition for use as vibration absorbers is a compression-moldable rubber elastomer obtained by mixing 100 parts by weight of an isobutylene-isoprene copolymer (IIR) with 10-70 parts by weight of a block copolymer which comprises a block formed from a styrene monomer and a vinyl-polyisoprene block and has a main-dispersion peak of tanδ at -40°C or higher and crosslinking the mixture, and is characterized in that the rubber elastomer has a peak temperature for the main dispersion (X) of tanδ at 100 Hz of from 0 to +60°C and a peak value therefor of 0.4 or larger and that in the region of temperatures not lower than that peak temperature, the value of tanδ of the rubber elastomer is larger than the value of tanδ at 100 Hz of the IIR for the main dispersion (Y) of tanδ thereof at 100 Hz.

Preparation of vinyl-containing macromers

Polymeric compositions of matter are described comprising olefin polymer chains having Mn of about 400 to 75,000, a ratio of vinyl groups to total olefin groups according to formula (1), where a = -0.24 and b = 0.8, and where the total number of vinyl groups per 1000 carbon atoms is greater than or equal to 8000 Mn. The invention includes a method for preparing these polymeric products comprising contacting one or more olefin comonomers with a catalyst system containing a transition metal catalyst compound and an alumoxane wherein the aluminum to transition metal ratio is from 10:1 to less than or equal to 220:1 (Al:Me). The process conditions of the invention permit predictable macromer characteristics of both molecular weight and vinyl unsaturation.

Preparation of vinyl-containing macromers

Polymeric compositions of matter are described comprising olefin polymer chains having Mn of about 400 to 75,000, a ratio of vinyl groups to total olefin groups according to formula (1), where a = -0.24 and b = 0.8, and where the total number of vinyl groups per 1000 carbon atoms is greater than or equal to 8000 Mn. The invention includes a method for preparing these polymeric products comprising contacting one or more olefin comonomers with a catalyst system containing a transition metal catalyst compound and an alumoxane wherein the aluminum to transition metal ratio is from 10:1 to less than or equal to 220:1 (Al:Me). The process conditions of the invention permit predictable macromer characteristics of both molecular weight and vinyl unsaturation.

Propylene polymers incorporating polyethylene macromers

A polyolefin product is provided which comprises a branched olefin copolymer having an isotactic polypropylene backbone, polyethylene branches and, optionally, one or more comonomers. The total comonomer content of the branched olefin copolymer is from 0 to 20 mole percent. Also, the mass ratio of the isotactic polypropylene to the polyethylene ranges from 99.9:0.1 to 50:50. Additionally, a process is provided for preparing a branched olefin copolymer which comprises: a) copolymerizing ethylene, optionally with one or more copolymerizable monomers, in a polymerization reaction under conditions sufficient to form copolymer having greater than 40 % chain end-group unsaturation; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin copolymer.

结合有聚乙烯大分子单体的丙烯聚合物

本发明提供了一种聚烯烃产品，该产品包括一种以等规聚丙烯为主链、以聚乙烯为支链并任选地含一种或多种共聚单体的支链烯烃共聚物。该支链烯烃共聚物中共聚单体的总含量为0-20(摩尔)%，等规聚丙烯与聚乙烯的质量比为99.9∶0.1-50∶50。此外，本发明还提供了一种制备支链烯烃共聚物的方法，该方法包括：a)乙烯任选地与一种或多种可共聚合的单体在聚合反应器中，在足以能形成链端基不饱和度高于40%的共聚物的条件下进行共聚合；b)产物a)与丙烯并任选地与一种或多种可共聚合的单体在聚合反应器中，采用能制成等规聚丙烯的手性、立体严格的过渡金属催化剂，在适于聚丙烯聚合的条件下进行共聚合；以及c)回收支链烯烃共聚物。

Oligomeric chain extenders for processing, post-processing and recycling of condensation polymers, synthesis, compositions and applications

The invention provides chain extenders made from epoxy-functional (meth)acrylic monomers and styrenic and/or (meth)acrylic monomers. The invention further provides polymeric compositions made from the chain extenders and plastic articles made from the compositions. Finally, the invention provides methods of using the chain extenders to improve the properties of virgin, recycled, and reprocessed condensation polymers.

Branched polyolefin and process for producing the same

본 발명은 주골격의 반복단위, 분자량, 분자량 분포 및 결정화도가 실질적으로 동일한 종래 폴리머에 비해서, 멜트 텐션(MT(g))이 실질적으로 동일하거나 또는 그 이하이고, 유동 활성화 에너지(Ea(KJ/mo1)가 종래 폴리머의 Ea의 값에 5KJ/mol을 더한 값보다도 큰 것을 특징으로 하는 폴리머에 관한 것이다. 이와 같은 폴리머의 적절한 예로서, 에틸렌으로부터 유도되는 반복단위 50∼100몰%와, 탄소수 3∼20의 α-올레핀으로부터 유도되는 반복단위 0∼50몰%로 되고, 유동 활성화 에너지(Ea (KJ/mo1))와 α-올레핀 함량(C(중량%6))이 특정한 관계를 충족시키고, 멜트 텐션 (MT(g))과 멜트 플로우 레이트(MFR(g/10분))가 특정한 관계를 충족시키는 것이다. 이 분기형 폴리올레핀은 성형성 및 기계적 강도가 우수하다. Compared to the conventional polymer having substantially the same repeating unit, molecular weight, molecular weight distribution and crystallinity of the main skeleton, the melt tension (MT (g)) is substantially the same or less, and the flow activation energy (Ea (KJ / mo1) is greater than the value of Ea of the conventional polymer plus 5 KJ / mol A polymer suitable for such polymers is 50 to 100 mol% of repeating units derived from ethylene and 3 carbon atoms. 0-50 mol% of repeating units derived from α-olefin of -20, the flow activation energy (Ea (KJ / mo1)) and the α-olefin content (C (wt% 6)) satisfy a specific relationship, Melt tension (MT (g)) and melt flow rate (MFR (g / 10min)) satisfy certain relationships: This branched polyolefin has excellent formability and mechanical strength.

Preparation of vinyl-containing macromers

Polymeric compositions of matter are described comprising olefin polymer chains having Mn of about 400 to 75,000, a ratio of vinyl groups to total olefin groups according to formula (1), where a = -0.24 and b = 0.8, and where the total number of vinyl groups per 1000 carbon atoms is greater than or equal to 8000 Mn. The invention includes a method for preparing these polymeric products comprising contacting one or more olefin comonomers with a catalyst system containing a transition metal catalyst compound and an alumoxane wherein the aluminum to transition metal ratio is from 10:1 to less than or equal to 220:1 (Al:Me). The process conditions of the invention permit predictable macromer characteristics of both molecular weight and vinyl unsaturation.

结合有聚乙烯大分子单体的丙烯聚合物

本发明提供了一种聚烯烃产品,该产品包括一种以等规聚丙烯为主链、以聚乙烯为支链并任选地含一种或多种共聚单体的支链烯烃共聚物。该支链烯烃共聚物中共聚单体的总含量为0－20(摩尔)%,等规聚丙烯与聚乙烯的质量比为99.9∶0.1－50∶50。此外,本发明还提供了一种制备支链烯烃共聚物的方法,该方法包括:a)乙烯任选地与一种或多种可共聚合的单体在聚合反应器中,在足以能形成链端基不饱和度高于40%的共聚物的条件下进行共聚合;b)产物a)与丙烯并任选地与一种或多种可共聚合的单体在聚合反应器中,采用能制成等规聚丙烯的手性、立体严格的过渡金属催化剂,在适于聚丙烯聚合的条件下进行共聚合;以及C)回收支链烯烃共聚物。

Vinyl ester resin composition that contains polymer fine particles, process for production of same, and cured products of same

개량된 제조법과 품질의 비닐 에스테르 수지 조성물을 제공하기 위해, 본 발명의 폴리머 미립자 함유 비닐 에스테르계 수지 조성물은, 비닐 에스테르 수지 100중량부, 폴리머 미립자 1∼100중량부, 및 비닐 모노머 0∼100중량부를 함유하는 폴리머 미립자 함유 비닐 에스테르계 수지 조성물로, 상기 폴리머 미립자의 1차 입자경이 0.05∼1μm이며, 또한, 상기 폴리머 미립자가, 상기 폴리머 미립자 함유 비닐 에스테르계 수지 조성물 중에서, 1차 입자의 상태로 분산하고 있는 것을 특징으로 하는 폴리머 미립자 함유 비닐 에스테르계 수지 조성물이다. In order to provide a vinyl ester resin composition of improved manufacturing method and quality, the polymer fine particle-containing vinyl ester resin composition of the present invention comprises 100 parts by weight of a vinyl ester resin, 1 to 100 parts by weight of polymer fine particles, 0 to 100 parts by weight of a vinyl monomer Wherein the polymer fine particles have a primary particle size of 0.05 to 1 m and the polymer fine particles are contained in the polymer fine particle containing vinyl ester resin composition in the state of primary particles And the polymer fine particle-containing vinyl ester resin composition is dispersed.

Novel epoxy compound, alkali-developable resin composition, and alkali-developable photosensitive resin composition

신규 에폭시화합물은, 하기 일반식(Ⅰ)로 표현되는 화합물로서, 벤조 또는 나프토시클로알칸 골격을 가지는 것을 특징으로 한다. The novel epoxy compound is a compound represented by the following general formula (I) and is characterized by having a benzo or naphthocycloalkane skeleton. (식 중, X, Y, 및 Z는, 각각 독립적으로 할로겐 원자로 치환되어 있어도 되는 탄소원자수 1~10인 알킬기, 할로겐 원자로 치환되어 있어도 되는 탄소원자수 6~20인 아릴기, 할로겐 원자로 치환되어 있어도 되는 탄소원자수 7~20인 아릴알킬기, 할로겐 원자로 치환되어 있어도 되는 탄소원자수 2~20인 복소환기 또는 할로겐 원자를 나타내고, k는 0~4의 수를 나타내며, p는 0~8의 수를 나타내고, r은 0~4의 수를 나타내며, n은 0~10을 나타내고, x는 0~4의 수를 나타내며, y는 0~4의 수를 나타내고, x와 y의 수의 합계는 2~4이며, n이 0이 아닐 때에 존재하는 광학 이성체는 어느 이성체여도 된다.) (Wherein X, Y and Z each independently represents an alkyl group having 1 to 10 carbon atoms which may be substituted with a halogen atom, an aryl group having 6 to 20 carbon atoms which may be substituted with a halogen atom, An arylalkyl group having 7 to 20 carbon atoms, a heterocyclic group having 2 to 20 carbon atoms which may be substituted with a halogen atom, or a halogen atom, k is a number of 0 to 4, p is a number of 0 to 8, r Represents a number of 0 to 4, n represents 0 to 10, x represents a number of 0 to 4, y represents a number of 0 to 4, the sum of the numbers of x and y is 2 to 4, The optical isomer present when n is not 0 may be any isomer. 에폭시화합물, 알칼리 현상성 수지 조성물, 알칼리 현상성 감광성 수지 조성물 An epoxy compound, an alkali developable resin composition, an alkali developable photosensitive resin composition