Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.

Abstract: The present invention provides an acrylic resin composition containing a polycrystal of colloidal particles of silicon oxide in an acrylic resin that is formed by curing an acrylic monomer liquid at room temperature and/or an acrylic oligomer liquid at room temperature, wherein a mean distance between the colloidal particles in the polycrystal is 140 to 330 nm. The size of the single crystal that constitutes the polycrystal can be controlled by adjusting the content of silicon oxide and/or the additive amount of impurities. An architectural material, a fashion accessory, and an optical material are provided that are formed by using the acrylic resin composition.

Abstract: The present invention relates to novel organic-inorganic silica particles, a preparation method thereof, and a hard coating composition containing the same, and more specifically, to organic-inorganic silica particles wherein an initiator is chemically bonded to hydroxyl groups (—OH) on the surface of the silica particles, a preparation method thereof, and a hard coating composition containing the same. A hard coating film with excellent abrasion resistance, scratch resistance and the like can be prepared by using the hard coating composition containing the organic-inorganic silica particles according to the present invention.

Abstract: Coating compositions are provided which may be applied from aqueous systems and contain binders which are autoxidisable to produce rapid drying hard coatings, preferred binders are based on polymers derived from monomers obtained by the reaction of drying oil fatty acids and unsaturated monomers. The polymers contain microgels, have low Tg and contain residual unsaturation; preferred copolymers also contain amide groups. The drying of the coating compositions can be accelerated by the use of metal dryers and have been found to enable the use of particularly low levels of vanadium dryers.

Abstract: A joint for electric power cable, preferably operating at low and medium voltage, filled with a resin obtained in situ by contemporaneously cold setting a composition containing a (meth)acrylate ester of an alkanol having from 6 to 20 carbon atoms with a curing agent acting also as a tackifying agent and selected from the group consisting of a urethaneacrylate and an epoxylacrylate oligomer having a functionality from 1 to 6 in amounts ranging from 0.1 parts to 10 parts by weight per 100 parts by weight of the methacrylate ester. A kit for preparing a cable joint includes the joint and the composition for preparing the cured resin. The resin contained in the joint does not exhibit cold flow and therefore does not flow from the cable joint.

Abstract: The invention is directed to the use of maleic esters selected from compounds of formulae (I), (II) and (III), as copolymerizable emulsifiers in the emulsion polymerization of olefinically unsaturated monomers, in which A is a C3-C40 alkyl group; X, Y and Z independently are hydrogen or methyl; B and D independently are sulfate, phosphate or hydrogen; n and p independently are numbers in the range from 0 to 40; and m is a number in the range from 2 to 40.

Abstract: An inkjet printing method includes the steps of a) providing a first radiation curable composition curable by free radical polymerization or cationic polymerization; b) applying a layer of the first radiation curable composition on a substrate; c) curing the layer; d) jetting on the cured layer a second composition curable by a different polymerization than the first composition but selected from the group consisting of free radical polymerization and cationic polymerization; and e) curing the jetted second composition by a different polymerization than the first composition. The first composition includes a cationically polymerizable compound having at least one (meth)acrylate group present in the first curable composition in an amount of at least 25 wt % based upon the total weight of the first curable composition. An inkjet ink set may be used in the above inkjet printing method.

Abstract: Provided is a method for producing a curable composition for imprints which excellent in patternability. Applied is a method for producing a curable composition for imprints, which comprises passing a curable composition comprising a polymerizable monomer (A) and a polymerizable initiator (B) through a filter having an effective filter area of 200 cm2 or more at least one time.

Abstract: The subject of the disclosure concerns C8 or higher, linear or branched fatty chain (meth)acrylic polymers possibly containing at least one ethylene unsaturation, having a weight average molecular weight Mw of less than 20,000 g/mole, free of sulphur-containing, metallic and halogenated compounds and with a residual monomer content measured by GPC of no more than 10% by weight, preferably no more than 7% by weight. A further subject of the disclosure is the synthesis method and the uses of these polymers.

Abstract: An active energy ray-curable ink composition having excellent adhesiveness to various base materials and satisfactory ejection stability is provided. An active energy ray-curable inkjet ink composition comprising polymerizable monomers, the polymerizable monomers comprising 60 to 98% by weight of monofunctional monomers, the monofunctional monomers comprising 25 to 65% by weight of isobornyl acrylate and 12.5 to 69% by weight of N-vinyl caprolactam based on the total amount of the polymerizable monomers.

Abstract: An active energy ray-curable ink composition is disclosed which includes a colorant, a dispersant, a polymerizable compound and water. The dispersant includes a hydrophobic repeating unit including a residue obtained by removing one hydrogen atom from a compound selected from the group consisting of a benzene ring-containing compound, an aromatic hydrocarbon ring-condensed polycyclic compound, a heteromonocyclic compound and a hetero ring-condensed heteropolycyclic compound; a hydrophilic repeating unit including an ionic group; and a hydrophilic repeating unit including a nonionic group.

Abstract: The invention provides a composition for a resist underlayer film, the composition for a resist underlayer film to form a resist underlayer film of a multilayer resist film used in lithography, wherein the composition comprises at least (A) a fullerene derivative that is a reaction product of a substance having a fullerene skeleton with a 1,3-diene compound derivative having an electron-withdrawing group and (B) an organic solvent. There can be a composition for a resist underlayer film for a multilayer resist film used in lithography, the composition giving a resist underlayer film having excellent high dry etching resistance, capable of suppressing wiggling during substrate etching with high effectiveness, and capable of avoiding a poisoning problem in upperlayer patterning that uses a chemical amplification resist; a process for forming a resist underlayer film; a patterning process; and a fullerene derivative.

Abstract: A wiring structure having a wiring-terminal-connection adhesive that includes a curing agent capable of generating a free radical upon heating, a radically polymerizable substance and silicone particles.

Abstract: This invention provides a wiring-terminal-connecting adhesive comprising a curing agent capable of generating a free radical upon heating, a radically polymerizable substance and silicone particles, and a wiring-terminal-connecting method and a wiring structure which make use of such an adhesive.

Abstract: One exemplary embodiment includes a method comprising polymerizing vinyl monomers with an initiator comprising a phenoxyaluminum alkyl compound in the presence of oxygen.

Abstract: Moldable, curable, reinforcing particle-filled compositions and methods for making the compositions are provided. The moldable compositions are characterized by high loadings of reinforcing filler particles in a thermosetting matrix and, as such, can be strong, yet lightweight. The moldable compositions can be formed into shaped cores and cured to provide a variety of articles. Optionally, a layer of reinforcing material can be applied over the shaped cores to finish and strengthen the final article.

Abstract: Provided are a resin composition containing a (meth)acrylate compound (A) having a specific structure and a rigid moiety, and a (meth)acrylate compound (B) having a flexible moiety; a resin composition further containing a silane-based (meth)acrylate compound (C-1), an antioxidant (C-2) or an aliphatic compound (C-3) having a specific structure; and an optical component. A resin for an optical component can be produced from those resin compositions, the resin having excellent transparency, causing no cracks, being stable against heat without causing yellowing, and having a low coefficient of thermal expansion, a low water content, excellent shape stability, with excellent mold releasability, and excellent adhesiveness with a coating material that suppresses surface reflection and improves transmittance.

Abstract: Process for producing protective or surface coatings by coating of substrates with a radiation curable coating composition and subsequent radiation curing, wherein the radiation curable coating composition comprises a compound of the formula I in which R1 and R2 independently of one another are an organic radical having in each case at least one C atom, but where the sum of the C atoms of R1 and R2 is at least 4, or R1 and R2 together form a ring system comprising at least 4 C atoms, R3 is a hydrogen atom or Y, X is a C1 to C10 alkylene group, n and m independently of one another are 0 or an integer from 1 to 50, Y is a group selected from —CH?CH2; —CH2—CH?CH2; or and R4 can be an H atom, a methyl group or —CH2—C(?O)—OH, and R5 is an H atom and R6 is a —C(?O)—OH group or, alternatively, R6 is an H atom and R5 is a —C(?O)—OH group.

Abstract: A polymerizable composition comprised of a cycloolefin monomer, polymerization catalyst, cross-linking agent, and reactive fluidizing agent, a cross-linkable resin shaped article obtained by bulk polymerizing the polymerizable composition, a cross-linked resin shaped article obtained by bulk polymerizing and cross-linking the polymerizable composition, and a laminate obtained by laminating at least the cross-linkable resin shaped article or the cross-linked resin shaped article.

Abstract: A syrup composition of the present invention comprises a mixture of monomers (A), each having a molecular mass of 130 to 300 and one (meth)acryloyl group; a resin (C) which is soluble in the monomers (A) and has a glass transition temperature of 20 to 155° C.; a wax (D); and a tertiary amine (E), wherein the monomers (A) contain a heterocyclic ring-containing (meth)acrylate (a1), an oligoethylene glycol monoalkyl ether (meth)acrylate (a2), and a hydroxyalkyl (meth)acrylate (a3) having a hydroxyalkyl group with 2 or 3 carbon atoms. The syrup composition does not substantially contain a polyvalent metal soap.

Abstract: A radiation-curable ink composition includes an acrylate monomer of which homopolymer has a glass transition temperature of not higher than 0° C. in an amount of 20% by mass or more and 65% by mass or less based on the total amount of reaction components; a monofunctional acrylate having an alicyclic structure; and a multifunctional acrylate having an alicyclic structure.

Abstract: A composite comprising at least one diamond/polymer brush and a method of making the composite comprising covalently bonding at least one polymer to said diamond surface.

Abstract: A UV-curable resin material composition coating liquid is provided and includes a UV-curable resin material composition dissolved or dispersed in a nonpolar solvent or a substantially nonpolar mixed solvent. The UV-curable resin material composition includes a monomer and/or an oligomer thereof that have two or more (meth)acryloyl groups, and affinity to a nonpolar solvent, modified hollow silica fine particles altered to have affinity to a nonpolar solvent by introduction of an aliphatic hydrocarbon group to surfaces of hollow silica fine particles, and a polymerization initiator.

Abstract: Provided are a radiation-curable ink composition including phenoxyethyl acrylate (A) in an amount of from 20 to 55 mass % of the total reaction components, a multifunctional acrylate (B) in an amount of from 20 to 50 mass % of the total reaction components, and a black pigment (F1); and a radiation-curable ink composition including phenoxyethyl acrylate (A) in an amount of from 20 to 55 mass % of the total reaction components, a multifunctional acrylate (B) in an amount of from 10 to 50 mass % of the total reaction components, and a yellow pigment (F2).

Abstract: Mixing apparatus and methods for the continuous production of monomer emulsions that may be used in the production of polymer dispersions by radical aqueous emulsion polymerization. The mixing apparatus can include a pipe-in-pipe injector (100) and a suitable rotor-stator mixer (102). Liquids are delivered to the rotor-stator mixer via an inner (110) and an outer (108) pipe in such a way as to substantially prevent feed inconsistencies in a feed ratio of the liquids prior to entering a mixing zone of the rotor-stator mixer for emulsion formation.

Abstract: Disclosed are a process for producing a polymer composition having a high solubility in a solvent, and a polymer composition.

Abstract: The present invention relates to a process for the preparation of amphiphilic gradient copolymers by Controlled Radical Polymerization in the presence of a RAFT (Reversible Addition Fragmentation Transfer) agent. The copolymers of the invention exhibit low polydispersity indices and low viscosities in solution and are readily soluble in an alkaline medium.

Abstract: New process conditions are described and more particularly emulsion polymerization of compositions which are based on copolymers of vinyl acetate, straight chain ?-olefin and an optional third different olefinically-unsaturated co-monomer in which the ?-olefin is emulsified prior to the addition into the polymerization mixture.

Abstract: A one part, storage stable polymerizable formulation is provided that includes an ethenically unsaturated polymerizable compound intermixed with a free radical polymerization initiator and an organic solvent. The organic solvent provides storage stability and upon evaporation of the solvent, the rate of polymerization of the compound accelerates independent of addition of a second part. The formulation includes at least 30 total weight percent solids upon cure. Optional additives to the formulation include at least one of a cure accelerator, a filler, a plasticizer, a colorant, and a cure inhibitor. A process for forming a polymerized coating on an article involves the application of this formulation to the substrate of an article and allowing sufficient time for the solvent to evaporate to form the polymerized coating on the article. The substrate of the article forms a corrosion barrier even without prior removal of a native corrosion layer on a surface of the substrate of the article.

Abstract: A water soluble ROMP catalyst, which has high catalytic efficiency for ring opening metathesis is use in the preparation of polymeric blends for use in monolithic columns. In one embodiments a method for making a polymeric blend is discolosed comprising reaction of a water-soluble ROMP catalyst with a norbornene-substituted cycloolefin polymer or a polynorbornene polymer precursor, and wherein the contacting occurs in an aqueous or polar solvent in the presence of a solid support. In another embodiment a monolithic bed is disclosed comprising the water-soluble ROMP catalyst immobilized on a surface of a solid support. Also disclosed is a monolithic bed comprising: a polymer blend, the polymer blend produced from contacting a water soluble ROMP catalyst with a norbornene-substituted cycloolefin polymer or a polynorbornene polymer precursor; and wherein the contacting occurs in an aqueous or polar solvent in the presence of a solid support.

Abstract: Disclosed is a photocurable resin composition which is highly sensitive to ultraviolet light or visible light having a long wavelength, in particular a photocurable resin composition which is useful as a sealing agent. Specifically disclosed is a photocurable resin composition containing a component (a) which is composed of an anthraquinone derivative represented by the formula (I) below, and a component (b) which is composed of a compound having a (meth)acryloyl group in the molecule. The photocurable resin composition is characterized in that a part or the entire of the component (b) further contains an oxiranyl group in the molecule, and the component (a) content is 0.01-10% by mass relative to the component (b) content. [chemical formula 1] (I) (In the formula (I), X represents a phenyl group, an alkyl group having 1-8 carbon atoms, an alcoholic form of the phenyl group or the alkyl group, or a derivative of the alcoholic form.

Abstract: A composition includes a coupling agent composition and a polymer precursor. The coupling agent includes a first cycloolefin substituted with at least one anhydride group and the coupling agent is capable of bonding to a filler having a corresponding binding site. The polymer precursor includes a second cycloolefin. An associated article and a method are also provided.

Abstract: Disclosed are a thermal fluidity modifier for a powder coating material, which contains a polymer containing t-butyl (meth)acrylate units and having a glass transition temperature (Tg) of 20 to 120° C. as calculated by the following equation (1): 1/Tg=?(wi/Tgi)??(1), wherein wi represents a mass fraction of monomer i which constitutes the polymer and Tgi represents a glass transition temperature of a homopolymer of the monomer i; and a powder coating material containing the thermal fluidity modifier.

Abstract: The present invention provides a pressure-sensitive adhesive tape capable of exhibiting excellent adhesive property, and of inhibiting deformation of an adherend fixed with this pressure-sensitive adhesive tape, even under a high temperature or low temperature environment. The pressure-sensitive adhesive tape is one having a pressure-sensitive adhesive layer including a pressure-sensitive adhesive composition containing a (meth)acrylic polymer, wherein the (meth)acrylic polymer is obtained by copolymerization of a monomer mixture containing, at least, 60 to 96% by weight of a (meth)acrylic acid alkyl ester having an alkyl group with 4 to 12 carbon atoms, 2 to 10% by weight of a carboxyl group-containing monomer, and 2 to 8% by weight of an ethylenically unsaturated monomer having no carboxyl group, whose homopolymer has a glass transition temperature of 50 to 190° C. as monomer components, and the pressure-sensitive adhesive layer has a gel fraction of 0 to 30% by weight.

Abstract: The object of the invention is a method for the dispersion of reactive monomers, wherein a monomer emulsion (8) is fed at a first pressure through a dispersion jet (7) and a second dispersion (9) is fed laterally behind the dispersion jet at a second pressure that is less than the first pressure, both the emulsion and the dispersion being dispersed with one another in a mixing chamber. Using the method, nanoparticle-laden monomer emulsions may be produced that, after polymerization, produce polymer-coated nanoparticles.

Abstract: To provide a resist composition including: at least one polymerizable compound having a viscosity of 100 mPa·s or less at 25° C.; a fluorine-containing compound A having a viscosity of 5,000 mPa·s or greater at 25° C., and a fluorine content of 10% by mass or greater; and a fluorine-containing compound B having a viscosity of 2,000 mPa·s or less at 25° C., and a fluorine content of 10% by mass or greater.

Abstract: An object is to provide a water absorbent resin composition containing a water absorbent resin as a main component, with excellent deodorant property and antimicrobial property without impairing appearance and absorption characteristics of the water absorbent resin. The water absorbent resin composition according to the first aspect includes a water absorbent resin containing a polyacrylic acid (salt)-based water absorbent resin as a main component, and an extract of bamboo and an extract of tea. The water absorbent resin composition according to the second aspect includes a water absorbent resin containing a polyacrylic acid (salt)-based water absorbent resin as a main component, and at least two kinds of compounds selected from a group consisting of hexanoic acid (salt), ethyl butyrate, and 3-methyl-2-cyclopenten-1-one.

Abstract: An active energy ray-curable ink composition having excellent adhesiveness to various base materials and satisfactory ejection stability is provided. An active energy ray-curable inkjet ink composition comprising polymerizable monomers, the polymerizable monomers comprising 60 to 98% by weight of monofunctional monomers, the monofunctional monomers comprising 25 to 65% by weight of isobornyl acrylate and 12.5 to 69% by weight of N-vinyl caprolactam based on the total amount of the polymerizable monomers.

Abstract: The present invention provides a sealant material for an optical semiconductor containing (A) one or more kinds of a (meth)acrylic compound selected from a (meth)acrylate-modified silicone oil, a long chain alkyl (meth)acrylate, and a polylakylene glycol (meth)acrylate having the number average molecular weight of 400 or more, (B) a (meth)acrylate compound having an ester bond with an alicyclic hydrocarbon group having 6 or more carbon atoms, and (C) a radical polymerization initiator; and an optoelectronic conversion element and an optoelectronic conversion device using thereof.

Abstract: A wiring structure having a wiring-terminal-connection adhesive that includes a curing agent capable of generating a free radical upon heating, a radically polymerizable substance and silicone particles.

Abstract: Disclosed herein is a methacrylic copolymer which is a polymer of a monomer mixture comprising about 20 to about 99.9% by weight of a C6-20 aromatic methacrylate, an aliphatic methacrylate, or a combination thereof, and about 0.1 to about 80% by weight of a mono-functional unsaturated monomer. The methacrylic copolymer can have a high refractive index of about 1.495 to about 1.59, and thus when it is blended with polycarbonate resin, it is possible to obtain a methacrylic resin composition having improved compatibility without any other compatibilizer.

Abstract: Disclosed are a process for producing a polymer composition having a high solubility in a solvent, and a polymer composition.

Abstract: An encapsulant composition is provided. The encapsulant composition includes at least one silicone resin monomer and at least one resin monomer selected from the group consisting of acrylic resin monomers and epoxy resin monomers, a filler of about 0.1-15 wt % of the encapsulant composition, and an initiator. The invention also provides a method for fabricating an encapsulant material.

Abstract: A process of producing a ring-opening metathesis polymer characterized in that a treatment to decrease the amount of oxygen and/or peroxide in at least one kind of polymerization starting material is performed prior to the ring-opening metathesis polymerization reaction of a cyclic olefin performed in the presence of a ruthenium carbene complex (catalyst). Treatments to decrease the amount of oxygen and/or peroxide include applying an adsorbent to a polymerization starting material to remove oxygen and/or peroxide by adsorption, applying an antioxidant to a polymerization starting material to decompose oxygen or peroxide, and the like.

Abstract: Methods for making a heterogeneous polymer blend comprising one or more anionic polymers, one or more cationic polymers, and one or more non-ionic polymers, which method comprises (a) adding to a non-neutral solution a first amount of polymerization initiator and one or more anionic or cationic monomers, wherein each monomer has the same charge; (b) adding a second amount of the polymerization initiator and one or more non-ionic monomers; (c) adding a third amount of the polymerization initiator and one or more ionic monomers that are oppositely charged from the monomers of (a); adding stepwise, a fourth amount of the polymerization initiator to react any residual monomer, and (e) neutralizing the resulting polymer blend. Also claimed are heterogeneous polymer blends containing polymers formed from one or more anionic, cationic, and non-ionic monomers, either polymerized in situ or separately and then combined.

Abstract: Aqueous polymer dispersion obtainable by emulsion polymerization of monomers in the presence of inorganic polymer particles (inorganic particles for short) which are dispersible in the aqueous phase without surface-active assistants.

Abstract: The actinic ray curable composition has a radically, photopolymerizable compound, and a non-reactive compound having a viscosity at 25° C. of from 0.1 to 20 mPa·s and a boiling point of not less than 150° C.

Abstract: Aqueous polymer dispersions, the dispersed particles of which comprise at least one effect substance from the group consisting of UV absorbers, antistatics, antioxidants and antifogging agents and have a mean particle size of at most 500 nm and a glass transition temperature of at least 85° C. and which can be obtained by emulsion polymerization of ethylenically unsaturated monomers in the presence of at least one effect substance, and to the use of the polymer dispersions comprising effect substances or of the polymer powders obtained therefrom for the finishing and for the stabilizing of polymers, in particular for the stabilizing of thermoplastic polymers, against the effect of UV radiation.

Abstract: The invention is a method of producing an essentially electrically neutral polymer dispersion, comprising a polymerizing one or more monomers in the presence of a nonionic surfactant, wherein the polymerization preferably occurs in the absence of ionic surfactants. The invention also includes methods of producing positively or negatively charged polymer dispersions comprising producing the essentially nonionic polymer dispersion and further adding a cationically-charged or anionically-charged surfactant or electrolyte. The invention further includes dispersions produced by the methods of the invention and polymer films and powders produced from these dispersions.

Abstract: A process for making an aqueous dispersion is provided. More specifically, a process for making an aqueous dispersion having at least two polymeric components is provided.