Abstract: Acrylic copolymers that include the controlled placement of functional groups within the polymer structure are provided. The copolymers contain a reactive segment and a non-reactive segment and are manufactured via a controlled radical polymerization process. The copolymers are useful in the manufacture of adhesives and elastomers.

Abstract: A process for producing a thermoplastic resin molded product, comprising: a placement step of placing a thermoplastic resin particle composition 6A into a cavity 22 of a rubber die 2 made of a rubber material; a particle heating step of irradiating the thermoplastic resin particle composition 6A in the cavity 22 with electromagnetic waves having wavelengths ranging from 0.78 to 2 ?m through the rubber die 2, thereby heating to melt the thermoplastic resin particle composition 6A; a filling step of filling a thermoplastic resin 6 in a molten state into a space 220 left in the cavity 22; and a cooling step of cooling a thermoplastic resin 6 in the cavity 22 thereby obtaining a thermoplastic resin molded product.

Abstract: The present invention provides a copolymer that includes at least one alkene monomer, at least one acrylate monomer and at least one the unsaturated organic acid monomer having one or more double bonds, and a method of manufacturing the same.

Abstract: A method of creating a bioadhesive in a substantially aqueous environment is disclosed. The method includes the steps of placing an anionicially polymerized block copolymer containing an amide, which is prepared by reacting a difunctional anionic initiator with a sterically hindered ester of methacrylic acid (SEMA), into a solvent to allow the solvent to swell the block copolymer; reacting the anionically polymerized hindered ester of methacrylic acid with methacrylic acid (MMA); hydrolyzing the anionically polymerized block copolymer with an aqueous solution to afford a methyl methacrylate-methacrylic acid-methyl methacrylate block copolymer (MMA-MAA-MMA); reacting the MMA-MAA-MMA block copolymer with 3,4-dihydroxyphenyl alanine to afford an amide with the MAA portion of the block copolymer; and placing the solvent swollen block copolymer in water. The water is exchanged with the solvent to provide a bioadhesive in an aqueous environment.

Abstract: A water activated adhesive system is described that is particularly suited for applying non-paper polymeric labels to surfaces which have low moisture permeability. The adhesive system is characterized by a dry non-tacky surface that becomes tacky in less than one second when contacted with a water-based activator. While it is a water activated adhesive, it is also characterized after aging bonded to a substrate by resistance to adhesive failure during 72 hours of immersion in ice/water mixture. The adhesive is beneficial to allow use of existing paper labeling equipment with polymeric labels.

Abstract: Provided are a binder for an electric double layer capacitor electrode which gives an electrode having a high electrode density and a high binding force and which comprises a polymer that can give a polymer film having a tensile stress of 2 MPa or less when the film is elongated at the ratio of 100% and having the elongation at break of 450% or more; a binder composition for an electric double layer capacitor electrode and a slurry composition for an electric double layer capacitor electrode which each comprises the binder; an electrode produced by use of the slurry composition; and an electric double layer capacitor which has the electrode so as to exhibit a large electrostatic capacity and a small internal resistance.

Abstract: The invention relates to a polyacrylate which as a result of a polymerization process has a broad, bimodal molecular weight distribution. These acrylate pressure-sensitive adhesives are preferably processed from the melt. The low molecular weight fraction lowers the flow viscosity, while the high molecular weight fraction results in the achievement of a high shear strength, following appropriate crosslinking, for the acrylate pressure-sensitive adhesive.

Abstract: A polymerizable adhesive composition comprises at least one ?-cyanoacrylate monomer and at least one absorbable viscosity modifying agent. The absorbable viscosity modifying agent has repeated units of the following structure: R1 is a methyl group or a hydrogen. R2 is a straight, branched or cyclic alkyl group having from 1 to 6 carbon atoms. R3 is a straight, branched or cyclic alkyl group having from 1 to 12 carbon atoms, and n is 2 or more.

Abstract: A curable composition is described comprising a Michael donor component, a polyacryl component, and 1) an ethylenically unsaturated monomer having a reactive azlactone functional group, or 2) an ethylenically unsaturated monomer having a reactive ring-opened azlactone functional group. A telechelic polymer that is the reaction product of these components is also described.

Abstract: The invention provides a radical generator, although being a self-cleavage type initiator, which is capable of suppressing volatilization of low molecular weight decomposition materials at the time of light radiation and post-baking, and leaving no low molecular weight decomposition materials in the final product, a photosensitive resin composition and an article using the radical generator. The photoradical generator provided according to the invention contains a compound (a) having one or more self-cleavage type radical-generating parts and one or more ethylenic unsaturated groups in one molecule.

Abstract: Biocompatible polymers are manufactured to include an amino acid mimetic monomer and one or more hydrophobic acrylate monomers. The amino acid mimetic monomers are selected to mimic the side chain of the amino acids asparagine or glutamine. The amino acid mimetic monomer can be a methacryloyl or acryloyl derivative of 2-hydroxyacetamide, 3-hydroxypropionamide, alaninamide, lactamide, or glycinamide. These amide functional groups offer the advantage of moderate hydrophilicity with little chemical reactivity. The amino acid mimetic monomer can be copolymerized with one or more hydrophobic acrylate monomers to obtain desired coating properties.

Abstract: The present invention relates to copolymer process aids having a carboxylic anhydride or acid functionality and a hydrophobic functionality. The copolymer process aid can be used in the exfoliation of a nanoclay, where it can be made in situ; and can also serve as a compatibilizer for exfoliated nanoclays with a polymer matrix, including with impact modified polymer matrices.

Abstract: There is disclosed a polyvinyl alcohol having a 1,2-glycol bond in a side chain, and a process for preparing the polyvinyl alcolnol wherein there is no generation of dimethyl carbonate hence no need of a process of eliminating dimethyl carbonate in the recovering process of waste liquid after hydrolysis. Also, even when an introduction amount of 1,2-glycol bonds is increased, there is no deterioration of solubility in a hydrolyzing solution (methanol) of a copolymer (paste) before hydrolysis. Further, water-insolubility is not lowered even in experiencing thermal history. Specifically, there is provided a polyvinyl alcohol having a 1,2-glycol bond in a side chain obtained by hydrolyzing a copolymer of a vinyl ester monomer and a compound shown in the formula (1) wherein the hydrolysis degree of the polyvinyl alcohol is at least 60% by mol.

Abstract: The invention provides a medical implant or medical implant part comprising porous ultrahigh molecular weight polyethylene having a weight average molecular weight of about 400,000 atomic mass units or more and a porosity of about 15% to about 65%. The invention further provides a process for producing a medical implant or medical implant part.

Abstract: The present invention relates to high refractive index monomers according to formula (I) and (co)polymers comprising such high refractive index monomers. The 5 (co)polymers are highly suitable for the manufacture of optical articles, in particular flexible optical articles, more in particular intraocular lenses.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain monoethylenically unsaturated polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices.

Abstract: Copolymers including a hydrophobic monomer and an acryloyl or methacryloyl ester of propylene glycol monomethyl ether, also referred to as 1-methyl-2-methoxyethyl acrylate (“MMOEA”) are provided. The combination of the hydrophobic monomer and the MMOEA monomer advantageously provides desired mechanical strength, biocompatibility, and drug permeability in the copolymers. The copolymers can advantageously be used on medical devices.

Abstract: An organic layer composition and a liquid crystal display including the same are provided. An organic layer composition according to an exemplary embodiment includes a binder formed by copolymerizing compounds included in a first group and a second group, wherein the first group includes an acryl-based compound and the second group includes a compound without a —COO— group.

Abstract: A process for producing an absorbent polymer including a first mixing event, in which a plurality of absorbent polymer particles (1) are mixed with a liquid (2) and a second mixing event, in which the liquid (2) is homogenized within the interior of the polymer particles. The polymer particles (1) in the first mixing event are mixed with a speed such that the kinetic energy of the individual polymer particles (1) is on average larger than the adhesion energy of the individual polymer particles (1), and the polymer particles (1) in the second mixing event are stirred at a lower speed than in the first mixing event. The different speeds effect a fluidization of the polymer particles (1), which prevents a clumping of the polymer particles (1) during the mixing event. The absorbent polymers thus produced are distinguished by a particularly rapid swelling behavior.

Abstract: A process for storing a monomer phase which is liquid under the conditions of storage and comprises methacrylic monomers to an extent of ?95% by weight and has been obtained by condensation out of a gaseous phase or by melting a crystalline phase, in a storage vessel, in which polymer of the monomer present in dissolved form in the liquid monomer phase is removed therefrom on the route from its generation into the storage vessel, and also a process for withdrawing liquid monomer phase from the storage vessel in which polymer of the monomer present in dissolved form in the monomer phase is likewise removed.

Abstract: The object of the present invention is to provide a sealing film having excellent productivity, and improved light resistance and heat resistance, and a solar cell provided with the sealing film. A sealing film for a solar cell comprising ethylene-vinyl acetate copolymer and an organic peroxide, wherein the organic peroxide comprises an organic peroxide A having a 10 hour half-life in the range of 110 to 130° C. in and an organic peroxide B having a 10 hour half-life in the range of 80 to 100° C.; and a solar cell having the sealing film.

Abstract: The invention concerns amphiphilic copolymers, in particular gradient amphiphilic copolymers obtained by controlled free radical solution or mass polymerization. The invention also concerns a method for aqueous dissolution of said copolymers. The inventive copolymers are useful in surface treatment techniques and can be used in formulations for paints, adhesives, glues as well as in cosmetics.

Abstract: A method of preparing oligomeric compounds from polyfunctional reactants in the presence of heterogeneous catalysts that exhibit size selective characteristics, such that further reaction between first generation products or first generation products and reactants is less favored than between the starting reactants is disclosed. Preparation of oligomeric polyacrylate compounds in a liquid solution using these catalysts is also disclosed comprising reacting X—H acidic Michael donor compounds with unsaturated Michael acceptor compounds containing more than one unsaturated group.

Abstract: The present invention relates to metal-containing compositions comprising a metal-containing precursor unit (MU), a prepolymer unit (PU), and a catalyst or an initiator capable of inducing a combining reaction of ethylenically unsaturated groups of the metal-containing precursor unit and the prepolymer unit. In another embodiment, the composition comprises MU and a catalyst or initiator capable of inducing a combining reaction of the metal-containing precursor units. Both MU and PU contain additional functional groups, which may be selected to impart compatibility with each other and to produce optically clear films. The metal-containing compositions can be used to produce films or articles having a transmittance of at least 90% and index of refraction in the range of 1.4 to 1.8 in the 400-700 nm range of light and 1.4 to 2.4 in the 150-400 nm range of light.

Abstract: Disclosed are soft, high refractive index, acrylic device materials. The materials comprise di-block or tri-block macromers containing hydrophilic side-chains. The materials have improved glistening resistance.

Abstract: A pattern is formed by (1) coating a first positive resist composition onto a substrate, baking, patternwise exposing, PEB, and developing to form a first positive resist pattern including a large area feature, (2) applying a resist-modifying composition comprising a basic nitrogen-containing compound and heating to modify the first resist pattern, and (3) coating a second positive resist composition thereon, patternwise exposing, and developing to form a second resist pattern. The large area feature in the first resist pattern has a film retentivity of at least 50% after the second pattern formation.

Abstract: Provided is an easy method for production of a high-performance polyfunctional compound which can be used as an optical recording material, an optical waveguide material, a photo-alignment film material, or the like, in a simple manner. The method for production of a polyfunctional compound includes conducting a Michael addition of a compound (A) having a hydrogen atom of pKa?15 to a (meth)acrylate or a (meth)acrylamide (B), in which at least one of the compounds (A) and (B) has a photoisomerization group and/or a liquid-crystalline group.

Abstract: A pH-sensitive polymer which has cytotoxic or membranolytic properties at pH values below pH 6.5. Carriers for natural or synthetic biomolecules or active pharmaceutical ingredients using such a pH-sensitive polymer.

Abstract: Disclosed herein is a resin composition for an organic insulating layer, a method of manufacturing the same, and a display panel including an insulating layer formed using the resin composition. The resin composition for an organic insulating layer is produced by polymerizing about 5 to about 35 wt % of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride, or a mixture of the unsaturated carboxylic acid and the unsaturated carboxylic acid anhydride, about 5 to about 40 wt % of a styrene compound, about 5 to about 40 wt % of an epoxy compound, about 0.1 to about 10 wt % of an isobornyl compound, and about 20 to about 40 wt % of a dicyclopentadiene compound, based on the total weight of unsaturated carboxylic acid, unsaturated carboxylic acid anhydride, styrene compound, isobornyl compound, and dicyclopentadiene compound.

Abstract: Powders or hydrophilic manufactured articles of E/CTFE and/or E/TFE thermoprocessable polymers, or of CTFE copolymers, wherein, on the surface of the powder or the manufactured article, one or more of the following hydrophilic units are present: —C(COOH)H—CH2—; —C(COOM)H—CH2—; —C(OCOOH)H—CH2—; —C(OCOOM)H—CH2—; with M=alkaline ion.

Abstract: The invention is based on the discovery that certain polyester compounds bearing are useful as b-stageable and/or liquid adhesives for the microelectronic packaging industry.

Abstract: A self-stabilizing dispersion composition having a copolymer having at least one polymerizable acid-containing moiety, wherein the at least one acid-containing moiety is at least partially neutralized before or during polymerization, and at least one hydrophobic moiety. A process for producing such compositions is also provided, as well as a process for encapsulating water-insoluble actives in such copolymers.

Abstract: The invention is based on the discovery that a certain polyester compounds are useful as b-stageable adhesives for the microelectonic packaging industry. The polyester compounds described herein contain ring-opening or ring-forming polymerizable moieties and therefore exhibit little to no shrinkage upon cure. In addition, there are provided well-defined b-stageable adhesives useful in stacked die assemblies. In particular, there are provided assemblies wherein the b-stageable adhesive encapsulates a portion of the wiring members contained within the bondline gap between the stacked die.

Abstract: The present invention relates to an acrylic pressure sensitive adhesive composition, specifically, an acrylic pressure sensitive adhesive composition having improved anti-static properties, comprising acrylic copolymers, chelating agent which may form a bond with metal ion; and alkali metal salts, and prevent whitening appearance under high temperature and humidity condition as well as static electricity without change of the durability, transparency, and adhesion.

Abstract: Polymer of formula (I): In-[(A)x-(B)y-(A?)x?-(E)z]n obtained by nitroxyl mediated controlled free radical polymerization whereby an access of acrylate is present, wherein In is the initiator fragment starting the polymerization reaction; A and A? are the same or different monomers selected from the group consisting of acrylic acid, methacrylic acid, acrylonitrile, methacrylonitrile, acrylic acid (C1-C22)alkyl esters, acrylic acid (C1-C22)hydroxyalkyl esters, methacrylic acid (C1-C22)alkyl esters, methacrylic acid (C1-C22)hydroxyalkyl esters, acrylic acid (C1-C22)alkyl esters or methacrylic acid (C1-C22)alkyl esters which are substituted by amino, (C1-C22)alkylamino, (C1-C22)dialkylamino, —SO3H, epoxy, fluoro, perfluoro or siloxane groups, styrene, substituted styrene, acrylamide and methacrylamide, N-mono(C1-C22)alkyl acrylamide, N,N-di(C1-C22)alkyl acrylamide; provided that the amount of unsubstituted acrylic acid (C1-C22)alkyl esters or/and methacrylic acid (C1-C22)alkyl esters is more than 30% by weight ba

Abstract: Disclosed are soft, high refractive index, methacrylic device materials. The materials contain an ethoxylate monomer to reduce glistenings and a long-chain alkyl methacrylate monomer for softening.

Abstract: A method for identifying overheated spots in liquid-filled electrical devices, comprising the steps of: a) determining the locations of potentially overheatable spots in said device and mapping said locations; b) positioning a tag consisting of one or more chemical indicators on potentially overheatable spots in said devices, wherein when said tags are exposed to a given high temperature, they are depolymerized into thermal degradation products which are diffused into the liquid; c) identifying the thermal degradation products by analytical methods; and d) locating the overheated places according to the identified thermal degradation products and the map of locations of said tags; wherein the tags comprise polymers and copolymers, which are substantially absent from the liquid of the device at normal working conditions.

Abstract: To provide an acrylic rubber composition having an excellent heat resistance, especially an excellent balance between the residual ratio of the tensile strength and the residual ratio of the elongation after heat aging, when formed into a vulcanized product, and a hose article, a sealing article and a rubber vibration insulator using the acrylic rubber composition. An acrylic rubber composition containing an acrylic rubber obtainable by copolymerizing 100 parts by mass of an alkyl acrylate with from 10 to 100 parts by mass of an alkyl methacrylate and from 0.5 to 4 parts by mass of a crosslinkable monomer. Here, the alkyl methacrylate is preferably at least one compound selected from the group consisting of methyl methacrylate, ethyl methacrylate and n-butyl methacrylate, and the alkyl acrylate is preferably at least one compound selected from the group consisting of methyl acrylate, ethyl acrylate and n-butyl acrylate.

Abstract: The present invention relates to a catalytic composition for producing a 1-alkene-acrylate copolymer that includes a metal nano catalyst, and a method for producing a 1-alkene-acrylate copolymer. In the catalytic composition for producing a 1 -alkene-acrylate copolymer, since the content of the polar comonomer is high, it may be used to produce the 1-alkene-acrylate copolymer that has no crystallinity and is capable of being used as an optical material. The method for producing the 1-alkene-acrylate copolymer may be produced by using a simple process of a mild polymerization condition without a polymerization condition of high temperature and high pressure, and it is easy to control physical properties.

Abstract: A curable restorative composition is disclosed, comprising a polymerizable mono(meth)acrylate resin having a vapor pressure of 1 mm Hg or less at 20° C., a plasticizer; and a curing system for the mono(meth)acrylate resin. The composition is particularly useful for making temporary restorations. Methods of used and kits comprising the composition are also disclosed.

Abstract: A polymeric composition including a mono-functional, low molecular weight, low epoxy content end-cap which includes the polymerization product of at least one epoxy-functional monomer and at least one styrenic and/or (meth)acrylic monomer, with a polyfunctional chain extender; and at least one condensation polymer.

Abstract: A method of preparing oligomeric compounds from polyfunctional reactants in the presence of heterogeneous catalysts that exhibit size selective characteristics, such that further reaction between first generation products or first generation products and reactants is less favored than between the starting reactants is disclosed. Preparation of oligomeric polyacrylate compounds in a liquid solution using these catalysts is also disclosed comprising reacting X—H acidic Michael donor compounds with unsaturated Michael acceptor compounds containing more than one unsaturated group.

Abstract: Biomedical devices such as contact lenses formed from a comprising a polymerization product of a mixture comprising an ethylenically unsaturated-containing non-amphiphilic macromonomer comprising hydrophilic units or hydrophobic units derived from a living radical polymerization of one or more ethylenically unsaturated hydrophilic monomers or one or more ethylenically unsaturated hydrophobic monomers are disclosed.

Abstract: The invention concerns the polymers obtained by the use of sulphur compounds in a process for controlled radical polymerization in water of acrylic acid and/or acrylic acid with hydrosoluble monomers. It concerns also their uses as dispersant agents or agents to aid grinding and/or co-grinding of mineral matters in aqueous suspensions, and as dispersant agents incorporated directly in aqueous formulations containing mineral matters. Finally, the invention concerns the formulations of mineral matters obtained in this manner.

Abstract: A rare earth metal complex represented by the formula (1): in which A represents a Group 14 element of the periodic table, Cp represents a group having a substituted or unsubstituted cyclopentadienyl anion moiety, Ln represents a Group 3 metal atom or a lanthanoid metal atom, R1 to R6 are the same or different, and represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, a silyl group substituted with a hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, R7 represents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, Xs represent a monoanionic ligand, Ys represent a neutral ligand, m represents an integer of 1 to 3, and n represents an integer of 0 to 3. The rare earth metal complex is useful as, for example, a catalyst for polymerization reaction of olefins.

Abstract: Disclosed are an acrylic acid-based polymer which is a star polymer containing a repeating unit derived from an (?-lower alkyl)acrylic ester represented by formula (I): (wherein R1 represents a hydrogen atom or a lower alkyl group, and R2 represents an organic group having a polar group) in an arm portion; an acrylic acid-based polymer containing a repeating unit derived from an poly(?-lower alkyl)acrylic ester and a repeating unit derived from an (?-lower alkyl)acrylic ester represented by formula (I), and a method for producing a polymer through living polymerization, comprising forming an oligomer having a polymerization active end, which is an oligomer higher than an average 1.0-mer and lower than an average 4.0-mer or an average 4.0-mer, and polymerizing using the oligomer having a polymerization active end as an initiating species.

Abstract: Copolymers which are obtained by free radical copolymerization of a vinylic poly(alkylene oxide) compound (A) with an ethylenically unsaturated monomer compound (B), and the use thereof as dispersants for aqueous solid suspensions, in particular hydraulic binders based on cement, lime, gypsum and anhydrite, are described. With very good water reduction power, the copolymers according to the invention scarcely retard the hardening of the concrete and ensure long processability of the concrete.

Abstract: This invention deals with a tissue protecting, spray-on film composition comprising an amphiphilic film-forming, segmented/block copolymer derived form at least one water-soluble monomer and at least another water-insoluble monomer, wherein the film can be formed from a water soluble organic solvent such as 2-propanol, acetone, and ethyl acetate. The film can contain a bioactive agent including those to have antimicrobial, anesthetic, anti-inflammatory, and wound-healing activities.

Abstract: A macroporous core-shell resin bead having carboxylic acid groups; the bead has from 3% to 100% of monomer residues derived from crosslinker, an average pore diameter of at least 1.5 nm, and an average particle size from 10 ?m to 900 ?m; wherein at least 90% of the carboxylic acid groups in the bead are in the shell region, and the shell region comprises from 5% to 75% of the bead by volume.

Abstract: The invention relates to a process for preparing polymers for coating applications by polymerizing esters of acrylic acid or of methacrylic acid or vinyl aromatics or other free-radically polymerizable vinyl compounds or monomer mixtures composed predominantly of such monomers by means of a continuous polymerization process. In particular, the invention relates to a solvent-free preparation process for polymers, through which the binder can be prepared for coating applications with superior processing properties, very good thermal stability, improved pigment wetting and a higher gloss.