Abstract: The present invention pertains to an aqueous solution of comb-branched polymers, having a (meth)acrylic skeleton functionalized by side-chains with hydrophilic alcoxy- or hydroxy-polyalkylene glycol functions, said solution remaining stable and workable at dry solids content levels greater than 60% of its weight. The invention also pertains to a method for manufacturing such solutions, as well as their use as a plasticizing agent, and hydraulic binder-based compositions containing them.

Abstract: A resin composition for laser engraving that comprises (Component A) a block copolymer comprising a main chain skeleton obtained by step-growth polymerization and a main chain skeleton obtained by chain-growth polymerization; (Component B) a polymerizable compound; and (Component C) a polymerization initiator.

Abstract: The present invention relates to a rubber-modified vinyl-based graft copolymer to which acrylic monomers containing a phenyl or phenoxy group are grafted in order to increase compatibility with a polycarbonate resin, and also relates to a thermoplastic resin composition including the rubber-modified vinyl-based graft copolymer. The thermoplastic resin composition according to the present invention can significantly improve appearance and high fluidity and can have high flowability and chemical resistance.

Abstract: Provided are: a water-absorbing resin composition and a laminate using the resin composition. The resin composition is capable of giving a transparent anti-fog coating excellent in properties such as appearance, coatability, anti-fog properties, water resistance, and heat resistance. Specifically, a resin composition includes a specific (meth)acrylamide copolymer (A) in combination with at least one bifunctional or higher (meth)acrylate compound (B), in which the (meth)acrylamide copolymer (A) is copolymerized from a (meth)acrylamide monomer with another monomer. This resin composition provides an active-energy-ray-curable water-absorbing resin composition and a laminate using the resin composition, each having excellent anti-fog properties.

Abstract: Sound damping compositions and methods for their application are described herein. The compositions can include a polymer, a polyacrylate rheology modifier, and a polyurethane rheology modifier. The compositions can alternatively include a polymer derived from greater than 80% of one or more monomers selected from the group consisting of butyl acrylate, 2-ethylhexyl acrylate, methyl methacrylate, methyl acrylate and ethyl acrylate and combinations thereof and greater than 0% and less than 4% of one or more functional monomers, at least one rheology modifier, and a surfactant. Also described herein are sound damping products including the compositions described herein and structures including the sound damping products. Methods for damping sound in a structure are further described herein. The methods include applying the compositions to the surface of a structure and drying the composition.

Abstract: An adhesive composition is provided particularly excellent in thermal shock resistance for adhesive strength as well as high shear adhesive strength, peel adhesive strength and impact adhesive strength. The adhesive composition of the present invention contains (a) a 2-cyanoacrylate such as 2-ethoxyethyl 2-cyanoacrylate and (b) a polyfunctional cyanoacrylate having two or more 2-cyanoacryloyl groups, the number average molecular weight of the polyfunctional cyanoacrylate (b) is in the range from 1,000 to 50,000, and preferably from 2,000 to 30,000, and the content of the polyfunctional cyanoacrylate (b) is in the range from 1 to 400 parts by weight, and preferably from 1 to 200 parts by weight based on 100 parts by weight of the 2-cyanoacrylate (a).

Abstract: A process for encapsulating pigment dispersions is provided where a pigment is dispersed with a polymeric dispersant in an aqueous solvent system. An acrylate monomer is added and the resultant mixture is polymerized. Optionally, the acrylate monomer may be emulsified in water with an added surfactant or polymeric dispersant and up to 20% acrylic or other vinyl monomers based on the acrylate may be added to acrylate monomer before polymerization. Such encapsulated pigment dispersions may be used in inkjet inks and are stable to heat, aging Lest conditions, and solvent challenges. Prints from these inks have better durability.

Abstract: An electrode binder composition is used to produce an electrode used for an electrical storage device, and includes (A) a polymer, (B) a compound represented by the following general formula (1), and (C) a liquid medium, the polymer (A) being fluorine-containing polymer particles or diene polymer particles, and a concentration of the compound (B) in the electrode binder composition being 5 to 500 ppm. wherein R1 and R2 independently represent a hydrogen atom, a halogen atom, or a monovalent alkyl group, and n is an integer from 0 to 5.

Abstract: The invention is based on the discovery that adhesive compositions containing certain low-viscosity, mono-ethylenically unsaturated monomers have surprisingly good cure parameters, resulting in very little weight loss upon cure. Many of these monofunctional monomers used alone or in combination with other monofunctional monomers described herein have high glass transition temperatures when cured. Moreover, since these monomers are monofunctional the crosslink density of the adhesive composition does not increase (relative to multi-functional monomers), which in turns results in lower stress, lower modulus adhesive compositions. As such, these monomers are useful in a variety of thermoset adhesive compositions, such as for example, die attach adhesive compositions.

Abstract: Zinc carboxylate clays and zinc carboxylate organoclays, methods for their preparation, and compositions containing the same are disclosed. The methods comprise either mixing a zinc clay composition with a carboxylic acid, or mixing a carboxylic acid with a zinc ammonia complex solution, then combining the resulting zinc carboxylate salt with a slurry or suspension of a cation-exchangeable clay, to prepare the zinc carboxylate clay. These clays can be further intercalated with quaternary ammonium salts to make zinc carboxylate organoclays. The present clays may be used in compositions and/or as additives in rubber and plastic formulations and products and in catalyst formulations.

Abstract: A resin composition includes: a polylactic acid resin; an impact-resistant resin which is superior in impact resistance to the polylactic acid resin and is incompatible with or hardly compatible with the polylactic acid resin; and a nucleating agent which promotes crystallization of the polylactic acid resin; the nucleating agent existing at least in the phase of the impact-resistant resin.

Abstract: The present invention relates to process to prepare a polymer by an aqueous emulsion or suspension polymerisation process wherein a monomer mixture is polymerised in the presence of a free radical initiator and a stabiliser, to the emulsion and redispersible polymer powder obtainable therewith, and to the use of this emulsion and powder in a building material composition, in particular to hydrophobise the building material composition, wherein the monomer mixture comprises (i) 0.5-80 wt. % of biomonomers containing an ester of a polyol and at least one fatty acid, the polyol having 2 to 10 hydroxy groups, and at least one vinyl group; (ii) 20-99.5 wt.

Abstract: The present invention describes a method for the manufacturing of a multi-stage polymer by the following steps: a) polymerizing monomer mixture (A) comprising a-i) vinyl acetate and a-ii) at least one vinyl ester of an aromatic carboxylic acid via free radical emulsion polymerization to obtain copolymer (A); and b) polymerizing monomer mixture (B) comprising b-i) vinyl acetate and b-ii) at least one vinyl ester of aliphatic branched or unbranched carboxylic acids having at least 3 carbon atoms, via free radical emulsion polymerization in the presence of copolymer (A) to obtain the multi-stage polymer with the proviso that said monomer mixture (B) can also be polymerized first to obtain a copolymer (B) and subsequently monomer mixture (A) is polymerized in the presence copolymer (B) to obtain the multi-stage polymer.

Abstract: The invention provides a process for preparing organic nanoparticles comprising the steps of: (a) preparing a solution comprising an unsaturated polyester and/or a vinyl ester resin, an initiator and a hydrophobic monomer; (b) emulsifying the solution obtained in step (a) in an aqueous phase; and thereafter (c) curing the emulsified solution. The invention further provides organic nanoparticles obtainable by the process according to the invention; various uses of said nanoparticles; and paper, dye compositions and toner compositions comprising said nanoparticles.

Abstract: Esters of itaconic acid are polymerized in aqueous medium in the presence of seed particles. The seed particles may absorb the monomer and provide for polymerization to a desired particle size. The polymers that are produced may be employed in adhesives, paints, and paper formulations.

Abstract: A process of modifying propylene polymers via melt grafting of polyfunctional monomer (PFMs) involving pre-initiative step thereby facilitating perfect absorption of PFMs on polymer matrix and initiate their grafting prior to reactive extrusion without using free radical initiators so that branching can be introduced in propylene polymer matrix. The modified propylene polymers showed enhanced shear sensitivity, increase in molecular weight, broadening of molecular weight distribution and strain hardening.

Abstract: The invention is based on the discovery that adhesive compositions containing certain low-viscosity, mono-ethylenically unsaturated monomers have surprisingly good cure parameters, resulting in very little weight loss upon cure. Many of these monofunctional monomers used alone or in combination with other monofunctional monomers described herein have high glass transition temperatures when cured. Moreover, since these monomers are monofunctional the crosslink density of the adhesive composition does not increase (relative to multi-functional monomers), which in turns results in lower stress, lower modulus adhesive compositions. As such, these monomers are useful in a variety of thermoset adhesive compositions, such as for example, die attach adhesive compositions.

Abstract: The present invention relates to a crosslinkable composition comprising at least one crosslinkable component crosslinkable by a latent base crosslinking catalyst comprising a substituted carbonate salt according to formula 1 wherein X+ represents a cation and wherein R is hydrogen, alkyl, aryl or aralkyl group, and wherein the crosslinkable composition comprises 0.1-10 wt %, preferably 0.1-5, more preferably 0.2-3 and most preferably 0.5-1.5 wt % water (relative to total weight of the crosslinkable composition). The invention further relates to a coating composition comprising the crosslinkable composition according to the invention, a novel catalyst composition and to the use of said catalyst composition according to the invention as a latent base crosslinking catalyst in coating compositions, preferably in RMA crosslinkable compositions.

Abstract: This disclosure relates to a silicone free defoamer for solvent based coatings, especially clear wood coatings preferably based on a graft copolymer of poly alkyl vinyl ether. The coating composition comprises a resin binder component and a defoamer formulation.

Abstract: The present technology provides a latex comprising: a mixture of microgels and sol polymers of an acrylic copolymer, wherein the Mc of the acrylic copolymer is greater than or equal to the Me thereof; the Mw of the sol polymers is greater than or equal to twice the Me of the acrylic copolymer; the amount of sol polymer having a Mw less than twice the Me of the acrylic copolymer is about 20 wt % or less than 20 wt %. Such lattices may be used to form films for use as adhesives such as pressure sensitive adhesives. Also provided are methods for manufacturing the films and adhesives.

Abstract: The photocurable coating composition according to the present invention is characterized in comprising 100 parts by mass of a vinyl monomer (A) and not less than 0.1 parts by mass and not more than 50 parts by mass of a minute polymer particle (B); wherein the volume average particle diameter of the minute polymer particle (B) is not less than 0.05 ?m and not more than 1 ?m; the vinyl monomer (A) contains one or more polymers selected from the group consisting of a (meth)acrylic acid ester monomer, hydroxyethyl (meth)acrylate and a urethane-modified (meth)acrylate as a main component; and the (meth)acrylic acid ester monomer is synthesized from an alcohol having not less than 3 carbon atoms and (meth)acrylic acid.

Abstract: A primer composition including a toughening agent can be applied to a surface to be bonded using a separate curable adhesive composition. The primer composition toughens cured reaction products of the adhesive composition. In some embodiments the primer composition can also enhance reactivity of the curable adhesive composition.

Abstract: A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle.

Abstract: The invention relates to aqueous pigment dispersions comprising at least one dispersed pigment, an aqueous carrier and a copolymer prepared by polymerization of at least one macromonomer (1) having a terminal olefinic unsaturation with a mixture of olefinically unsaturated monomers (2), wherein the macromonomer (1) comprises 1a) 5-100% by weight of at least one polymerized acid functional unsaturated monomer, 1b) optionally at least one polymerized hydroxy functional unsaturated monomer, and optionally 1c) at least one further polymerized olefinically unsaturated monomer, and wherein the mixture of olefinically unsaturated monomers (2) comprises 2a) 5-80% by weight of at least one unsaturated vinyl aromatic monomer, 2b) 5-50% by weight of at least one vinyl monomer with at least one polar heterocyclic group with a 5 or 6 membered ring containing at least one ring nitrogen atom which is not connected to a hydrogen atom, and optionally 2c) other olefinically unsaturated monomers.

Abstract: A UV-curable composition for optical discs contains a fluorine-containing UV-curable resin having a poly(perfluoroalkylene ether) chain and a UV-curable group. The fluorine-containing UV-curable resin exhibits good compatibility with the composition and satisfactorily localizes in and near a surface of a coating film. Thus, the composition can be used to form an outermost layer of an optical disc such that the droplet size of grease such as that constituting fingerprints adhering to the outermost layer is reduced and scattering of light having a short oscillation wavelength passing through the outermost layer is suppressed. Accordingly, an optical disc on and from which signals can be satisfactorily recorded and read is formed.

Abstract: A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle.

Abstract: A primer-less coating composition for facestock comprises: a binder being a water-dispersible polymer; an ethylenically unsaturated compound which is aqueous-dispersible and miscible with or bonded to said water-dispersible polymer, wherein said ethylenically unsaturated compound is able to form a covalent bond with an ink; and a crosslinker, wherein said crosslinker is suitable for binding the coating to the facestock. The coating composition may be applied to a substrate to form a printable film. A printed film in accordance with the invention may be used in a label, for example for use on a container such as a bottle.

Abstract: Novel, wet developable anti-reflective coating compositions and methods of using those compositions are provided. The compositions comprise a polymer and/or oligomer having acid functional groups and dissolved in a solvent system along with a crosslinker and a photoacid generator. The preferred acid functional group is a carboxylic acid, while the preferred crosslinker is a vinyl ether crosslinker. In use, the compositions are applied to a substrate and thermally crosslinked. Upon exposure to light, the cured compositions will decrosslink, rendering them soluble in typical photoresist developing solutions (e.g., alkaline developers).

Abstract: Adhesive 2-cyanoacrylate compositions are adjusted to a preferred initial viscosity of 400 to 600 centipoises by the addition of polycyanoacrylate thickeners, and are sterilized in a preferred method by heating them at a temperature of no greater than about 110° C. for no more than about 120 minutes. Articles of manufacture are vials or squeezable tubes made of compatible glass, aluminum, or plastic.

Abstract: Compounds containing macromolecular chains and having a structured architecture are prepared by polymerization of macromolecular monomers containing diallylamine structural units.

Abstract: Disclosed herein are a nitrile rubber composition comprising a nitrile rubber (a) including an ?,?-ethylenically unsaturated nitrile monomer unit and having iodine value of 100 or less, an ?,?-ethylenically unsaturated carboxylic acid metallic salt (b), and silane-treated fumed silica and/or calcinated wet silica (c); a cross-linkable nitrile rubber composition comprising the above nitrile rubber composition and a crosslinking agent (d); and a cross-linked rubber obtained by crosslinking the cross-linkable nitrile rubber composition. The present invention can provide a nitrile rubber composition and a cross-linkable nitrile rubber composition, capable of giving a highly-saturated cross-linked nitrile rubber having high tensile stress and excellent heat resistance, and a cross-linked rubber thereof.

Abstract: A composition is described, encompassing a constituent selected from the group consisting of a modified resin acid (I), a fatty acid (II) and a mixture composed of a modified resin acid (I) and of a fatty acid (II), where the degree of neutralization of the constituent is from 104 to 165%. Its use for the production of microgels is also described.

Abstract: The present invention provides an overcoat film which has excellent degree of planarization by optimizing the molecular weight of a binder resin included in a thermally curable resin composition for a protective film and the content of each component including the same. In a color filter according to the present invention, it is not necessary to light up all the red, green, and blue (RGB) pixels for eliciting a white light and perform a separate application process of a white portion because an overcoat film according to the present invention may serve as the white portion.

Abstract: The present invention relates to a hot-melt adhesive that comprises a block copolymer having associative groups containing a nitrogen heterocyclic compound.

Abstract: An object of the present invention is to provide a graft copolymer that is usable as various functional materials, that is stimulus responsive, and that is soluble in water at ordinary temperatures; and to provide an aqueous coating composition that comprises the graft copolymer as a thickener. The present invention also provides a rheology modifier for an aqueous coating composition comprising a graft copolymer consisting of (A) a main chain comprising an N-substituted (meth)acrylamide compound in a monomer component and having a lower critical solution temperature in water of 40° C. or higher, and (B) a hydrophobic side chain.

Abstract: Substrates, coated with a block copolymer comprising at least four blocks being at least two hard blocks, one soft block and one hydrophilic block, wherein a the soft block is sandwiched between the hard blocks.

Abstract: An implantable device including conjugate formed of an acrylamide-based copolymer and a bioactive agent is provided.

Abstract: Polyaniline is added into a glycidyl group- or isocyanate group-containing (meth)acrylate to obtain a polyaniline-added prepolymer, and then the obtained polyaniline-added prepolymer and another unsaturated group-containing monomer undergo additive copolymerization at their respective double bonds to obtain a polyaniline graft polymer having a weight-average molecular weight of 1,000 to 100,000.

Abstract: The invention concerns the polymers obtained by the use of sulfur 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: Fine polymer particles are dispersed as primary particles in a vinyl monomer to provide a high quality composition in which the dispersed state and stability of the particles are regulated to a high degree and to provide a curable composition being excellent in handleability and using fine polymer particles as a toughness-imparting agent. For the above, the curable composition of the present invention comprises 100 parts by weight of a vinyl monomer (A) and 0.1 to 100 parts by weight of fine polymer particles (B) having a volume average particle size of 0.05 to 1 m, in which the fine polymer particles (B) are dispersed in the form of primary particles in the vinyl monomer (A).

Abstract: The present invention pertains to an aqueous solution of comb-branched polymers, having a (meth)acrylic skeleton functionalized by side-chains with hydrophilic alcoxy- or hydroxy-polyalkylene glycol functions, said solution remaining stable and workable at dry solids content levels greater than 60% of its weight. The invention also pertains to a method for manufacturing such solutions, as well as their use as a plasticizing agent, and hydraulic binder-based compositions containing them.

Abstract: Described are articles containing a coating comprising a fluorine and silicon containing polymer, with a reactive diluent, and optionally non-reactive oligomeric additives, crosslinkers, or inorganic particles, which provides with a good balance of adhesion, mechanical properties, scratch resistance, low surface energy, repellency, and transparency. The articles are useful as a topcoat, particularly in optical applications.

Abstract: The present disclosure provides a aqueous colorant dispersion comprising a colorant and a polymeric dispersant, wherein the polymeric dispersant is a block copolymer comprising an A block and a B block, wherein the A block is a segment having a block size of about 5 to about 18 units, is substantially free of hydroxyethylmethacrylate, and comprises at least 50% by weight of a monomer, having the following structure: CH2?CRC(O)O(CHR1CH2O)nR2, wherein R and R1 are H, or methyl; R2 is alkyl of 1-4 carbon atoms or phenyl; and n is about 1 to about 20; and the B block is a segment comprising an ionic monomer and at least one hydrophobic monomer; and wherein the dispersant is neutralized. The disclosure further pertains to an aqueous ink jet ink comprising this aqueous colorant dispersion. Still further, the disclosure pertains to a method of printing that provides images with the requisite optical density and chroma needed for emerging ink jet applications.

Abstract: A coating composition including an unsaturated resin selected from polyesters, alkyds or combinations thereof; an alkoxy (meth)acrylic functional monomer, and a thermoplastic compound containing active hydrogen groups; a curing agent; and a curing promoter such as at least one metal drier.

Abstract: An aqueous composition comprising: A) a crosslinkable vinyl graft copolymer comprising 30 to 85 wt % of a polymeric backbone; and 70 to 15 wt % of at least one macromonomer grafted to the polymeric backbone, where the Tg of the macromonomer is in the range of from 15 to 140° C.; where the Tg of the polymeric backbone is ?40° C.; where the vinyl graft copolymer comprises 0.6 to 10 wt % of at least one carbonyl functional vinyl monomer; where the polymeric backbone contains ?75% of the carbonyl functional vinyl monomers in the vinyl graft copolymer; and B) a hydrazide functional compound; where the ratio of hydrazide functional groups to carbonyl functional groups in the vinyl graft copolymer is in the range of from 0.1 to 1.5; and where the composition comprises ?50 wt % of organic co-solvent by weight of the vinyl graft copolymer.

Abstract: Semi-conductive or insulating compositions including an ethylene/octane or butene copolymer and at least one additional polymer, such LDPE, are described. The compositions may also include carbon black and other additives.

Abstract: The present invention relates to a block polymeric material. Typically the block polymer comprises units capable of having an average cationic charge density of about 15 or less, preferably 5 or less, more preferably from about 0.05 to about 5, even more preferably from about 0.05 to about 2.77, even more preferably from about 0.1 to about 2.75, most preferably from about 0.75 to about 2.25 units per 100 daltons molecular weight at a pH of from about 4 to about 12. The polymeric material is a suds enhancer and a suds volume extender for personal care products such as soaps and shampoos. The compositions have increased effectiveness for preventing re-deposition of grease during hand and body washing. The polymers are also effective as a soil release agent in fabric cleaning compositions.

Abstract: The present invention is directed to a grafted ?-olefin-vinyl acetate copolymer containing crosslinkable silyl groups which is composed of one or more ?-olefin-vinyl acetate copolymers as component A, of which at least one, as component A1, has a vinyl acetate content of ?60% by weight, based on the total weight of the ?-olefin-vinyl acetate copolymer A1, and at least one unsaturated silane which contains at least one hydrolysable group and which is grafted on to the one or more ?-olefin-vinyl acetate copolymers, as component B. The invention if further directed to a processes and uses for the grafted ?-olefin-vinyl acetate copolymer.

Abstract: The present invention provides a reactive hydrophilic copolymer consisting essentially of units formed by ethylenically unsaturated hydrophilic monomers and units of formula (I) or (II) formed by ethylenically unsaturated monomers having alkoxy silane functional groups in a random order: wherein the copolymer has a molecular weight of at least 50,000, and wherein R1, R2 and R3 can be the same or different and are independently selected from H or C1-3 alkyl; R is C1-3 alkyl; X, Y and Z can be the same or different and are independently selected from R? or OR?, provided that at least one of X, Y and Z is OR?; R? is H or C1-3 alkyl; and the equivalent ratio of the units formed by ethylenically unsaturated hydrophilic monomers to the units of formula (I) or (II) is within the range of 5/1 to 200/1. The present invention also provides silicone hydrogel compositions comprising the reactive hydrophilic copolymer of the present invention and ocular articles made therefrom.

Abstract: A radical-polymerizable acrylic insulating adhesive for NCF-bonding an electronic part to a circuit board includes a (meth)acrylate monomer, a film-forming resin, an inorganic filler, a silane coupling agent, and a radical polymerization initiator. The amount of the inorganic filler is 70 to 160 parts by mass with respect to a total of 100 parts by mass of the (meth)acrylate monomer and the film-forming resin. A radical polymerization cured product of the acrylic insulating adhesive exhibits a glass transition temperature of 150 to 185° C., a linear expansion coefficient (?1) of 30 to 35 ppm in a temperature range that is lower than the glass transition temperature, and a linear expansion coefficient (?2) of 105 to 125 ppm in a temperature range that is equal to or higher than the glass transition temperature. Further, ?2/?1 is greater than or equal to 3.4.