Abstract: The present invention provides a process of producing a modified polymer composition, which composition comprises a free-radical polymeriseable monomer grafted to a polyolefin backbone. The process comprises contacting, in an extruder, an olefin polymer and the free-radical polymeriseable monomer in the presence of a stable radical in an extruder and extruding the composition.

Abstract: Provided is a photosensitive composition containing an oxime-ester photoinitiator. The oxime-ester photoinitiator is a compound as shown in formula (I). The composition has the advantages of high curing speed, small exposure dose, less pollution, energy saving, almost no residue defect, etc., and the thickness, clarity and pattern integrity of a cured film thereof are all excellent.

Abstract: A resin composition includes an acrylic resin and a graft copolymer having a gel content of 65% to 84%, wherein the graft copolymer is a multistage-polymerized graft copolymer obtained by a multistage polymerization including the polymerization stages (I) to (III). In the polymerization stage (I), a first monomer mixture and a polyfunctional monomer are polymerized in a presence of a primary alkyl mercaptan-based chain transfer agent and/or a secondary alkyl mercaptan-based chain transfer agent to obtain a first hard polymer. In the polymerization stage (II), a second monomer mixture and a polyfunctional monomer are polymerized to obtain a soft polymer. In the polymerization stage (III), a third monomer mixture and a polyfunctional monomer are polymerized to obtain a second hard polymer.

Abstract: The present invention relates to a thermoplastic resin, a method of preparing the thermoplastic resin, and a thermoplastic resin composition including the thermoplastic resin. More particularly, the present invention relates to a thermoplastic resin characterized by maximizing a ratio of monomers grafted to rubber particles and a graft rate so as to maintain a rubber particle shape in a high shear environment and varying the composition of each of monomers grafted to the inside and outside of rubber particles, a method of preparing the thermoplastic resin, and a thermoplastic resin composition having superior impact strength, falling dart impact strength, heat deflection temperature, chemical resistance, and plating adhesion strength due to inclusion of the thermoplastic resin.

Abstract: A polymerized rosin compound includes a rosin dimer component (A) including a bifunctional rosin dimer component (a1) represented by formula (1): ROOC—X—COOR. In this formula, X represents a rosin dimer residue derived from abietic acid, neoabietic acid, or palustric acid, which are resin acids having conjugated double bonds; and R represents hydrogen, an alkyl group of I to 5 carbon atoms, or a benzyl group. The rosin dimer component (A) contains a bifunctional rosin dimer component (a1) in the amount of 80% by weight or more and a rosin trimer or higher oligomer component (B) in the range from 1.5 to 3.

Abstract: The present disclosure relates to a curable two-component polyurethane adhesive composition comprising: a) a first component C1 comprising at least one polyol; b) a second component C2 comprising at least one isocyanate; c) a polyurethane catalytic system comprising a first bicyclic amine and a second bicyclic amine; and d) optionally, a particulate filler material. The present disclosure also relates to a sandwich panel comprising at least a core layer, at least a first structural panel and at least a second structural panel and to a method of manufacturing and using thereof.

Abstract: Coatings comprising an uncured branched polyester-urethane resin prepared by free radical polymerization of an unsaturated polyester prepolymer having a polyol segment, an unsaturated polycarboxylic acid and/or an anhydride and/or ester thereof, and a urethane segment, wherein the polymerization occurs primarily by reaction of the unsaturation are disclosed.

Abstract: Disclosed are a highly functional natural material-derived epoxy resin, a preparation method therefor, and an epoxy resin curing composition using the same. The highly functional natural material-derived epoxy resin represented by chemical formula 1 is obtained by reacting a compound, represented by chemical formula 2, and epichlorohydrin (ECH), which is obtained by using glycerin as a starting material, in the presence of a hydroxide salt.

Abstract: Epoxy resin compositions containing at least one resin component and at least one hardener component are suitable as a thermoset matrix for production of semi-finished fiber matrix products and cured fiber matrix laminates known as composites.

Abstract: Amphiphilic star polymers were prepared having superior loading properties for delivery of hydrophobic biologically active materials intended for use in medical, cosmetic, and other applications. The star polymers comprise a plurality block copolymer arms linked to a crosslinked polyester core. The monovalent arms comprise a peripheral poly(ethylene oxide) block (PEG block) and a polyester block, which is linked to the core. The sidechain substituents of the polyester block substantially improve the loading capacity of the star polymer for CoQ10 and other hydrophobic materials.

Abstract: Various embodiments disclosed relate to polymers and methods of making the same. In various embodiments, the present invention provides a method of forming a polymer including subjecting a composition including a carboxylic acid having the structure (Rf—O)z1—Ra to conditions sufficient to form a polymer having the structure Reg—[O—Ra(O—Rb)z1-2—O—C(O)—R?(O—Rd)z2-1—C(O)]n—O—Ra(O—Rb)z1-2—O—Reg or a salt or ester thereof, wherein Ra, R? Rb, Rd, Rf, Reg, z1, z2, and n are as defined herein. In various embodiments, the polymer is a tackifier, a viscosifier, or a combination thereof.

Abstract: A biodegradable cross-linked polymer and methods of preparing same are provided. The biodegradable cross-linked polymer is formed from a biodegradable polymeric material having two or more arms, which is a random copolymer formed of a first monomer and a second monomer different from the first monomer. The first monomer is selected from the group consisting of L-lactide, DL-lactide, glycolid, ?-caprolactone, trimethylene carbonate, p-dioxanone, amino acid-derived polycarbonates and polyorthoesters. The second monomer is one or two selected from the group consisting of D-lactide, DL-lactide, glycolide, ?-caprolactone, trimethyl carbonate, salicylic acid, carbonates, amino acids and derivatives thereof. The biodegradable polymeric material has a molecular weight of from 5,000 to 1,200,000 and an intrinsic viscosity of from 0.1 to 9.0 dl/g. Each of the terminal groups on the arms of the biodegradable polymeric material is selected from the group consisting of hydroxyl amino and carboxyl groups.

Abstract: Provided is a monomer composition that has rapid curability and can be rapidly cured even in the presence of oxygen and/or water to form a cured product having excellent adhesion to a wide variety of substrates. The monomer composition contains a multifunctional vinyl ether compound in an amount of 10 to 80 weight percent, a bifunctional oxetane compound represented by Formula (b) in an amount of 0.5 to 20 weight percent, and a monofunctional oxetane compound represented by Formula (b?) in an amount of 5 to 80 weight percent. In the formulae, Ring Z is selected from an aromatic hydrocarbon ring and a structure including two or more aromatic hydrocarbon rings bonded to each other through a single bond or a linkage group; R represents a monovalent aliphatic hydrocarbon group; R? is selected from hydrogen and ethyl; and m represents an integer of 0 or more.

Abstract: The invention relates to a linear polyglycerol compound, comprising a backbone of linearly linked glycerol residues. This compound is characterized in that it carries a plurality of substituents in the nature of covalently bound sulfates, wherein a degree of substitution of the backbone is preferably between 30 and 100%. A method of manufacturing the compound as well as uses of this compound and similar compounds are also disclosed.

Abstract: A polyamide elastomer comprising a reaction product of components (a), (b), and (c). Component (a) has the formula HOOC—R1—(—NH—CO—R1-)n—NH2 (where each R1 independently is linear saturated hydrocarbon, n represents a real number of 0 or greater, and when the formula contains multiple repeating units each containing R1, n represents a total number of those repeating units) and the Mn of component (a)=4000-10000. Component (b) has the formula HOOC—R2—COOH (where R2 represents a direct bond or a linear saturated hydrocarbon group). Component (c) has the formula H2N—R4—(—O—R4-)m—NH2 (where each R4 independently represents a saturated hydrocarbon group containing 1 or more carbon atoms; m represents a real number of 1 or more; and when the formula contains two or more types of the repeating units each containing R4, m represents a total number of the two or more types of the repeating units each containing R4).

Abstract: A polymer having a backbone of alternating N atoms and aromatic or heteroaromatic groups including a repeating structure of formula (I) wherein: R3 independently in each occurrence is a substituent; m is 0 or a positive integer; Ar1 and Ar2 are an aryl or heteroaryl group and at least one group selected from Ar1 and Ar2 has formula (II) wherein: each x is independently 0 or a positive integer; each y is independently 0 or a positive integer, and R1 and R2 independently in each occurrence is a substituent.

Abstract: The present invention relates to a method for manufacturing coagulated particles from a latex prepared by emulsion polymerization, containing step of discharging the latex prepared by emulsion polymerization containing a thickener or the latex prepared by emulsion polymerization having a given viscosity into a solution containing a coagulating agent, to coagulate the latex prepared by emulsion polymerization, aggregates having an anisotropy shape obtained by discharging a latex prepared by emulsion polymerization containing a thickener into a solution containing a coagulating agent, and coagulated particles from the latex prepared by emulsion polymerization obtained by the method.

Abstract: A method for producing a wet rubber comprises a step (I) of dispersing the filler into the dispersing solvent, and adding, at the time of the dispersing, at least one portion of the rubber latex solution to the dispersing solvent to produce a slurry solution containing the filler to which particles of the rubber latex adhere, a step (II) of mixing the slurry solution containing the filler, to which the rubber latex particles adhere, with the rest of the rubber latex solution to produce a rubber latex solution containing the filler, to which the rubber latex particles adhere, and a step (III) of solidifying and drying the rubber latex solution containing the filler. About the filler, the ratio of the nitrogen adsorption specific surface area (N2SA) thereof to the iodine adsorption amount (IA) thereof ((N2SA)/(IA)) is 1.00 or more.

Abstract: Cyclopentadienyl platinum complexes bearing ethylenic unsaturation are efficient photocatalysts for hydrosilylation of compounds containing aliphatic carbon-carbon multiple bonds, while exhibiting extended dark time, and are particularly useful in addition-curable organopolysiloxane compositions.

Abstract: The use of an amidine of formula (I) and/or a conversion product thereof as a catalyst for the crosslinking of a composition based on silane group-containing polymers. The amidine of formula (I) and the conversion products thereof are essentially odorless at room temperature and non-volatile and accelerate the crosslinking of the composition very well without impairing the storage stability of the composition, and are very compatible in the composition. As a result, the compositions do not have a tendency to separate, migrate or evaporate the catalyst.

Abstract: The present disclosure relates to a process for the preparation of high strength and high modulus polyethylene products/laminates consisting of steps such as providing a pre-dried, at least 50% disentangled ultra-high molecular weight polyethylene (UHMWPE) powder, feeding the UHMWPE powder having temperature ranging from ?15° C. to 50° C., at the nip of at least one pair of heated, polished counter rotating calendaring rollers, rotating at different roller speeds to obtain at least one pre-laminate and hot stretching the pre-laminate(s) at a pre-determined temperature and pre-determined stretching speed to obtain high strength laminates. The laminates provided by the present disclosure have tensile strength ranging between 0.5 GPa and 3.0 GPa and tensile modulus ranging between 40 GPa and 200 GPa.

Abstract: A fiber-reinforced resin molding material includes at least bundled discontinuous reinforcing fiber aggregates and matrix resin, wherein said bundled reinforcing fiber aggregates include both reinforcing fiber aggregates (A) which are formed by cutting continuous reinforcing fiber strands after fiber splitting, in which said strands are completely split into multiple bundles, and reinforcing fiber aggregates (B) having at least unsplit strand sections in which fiber splitting is incomplete, an incision substantially originating from fiber splitting is present at least at one of both end portions of said reinforcing fiber aggregates (B), and a ratio of the weight of said reinforcing fiber aggregates (B) to the total weight of reinforcing fibers in said material is 5-50%.

Abstract: The invention relates to a method for producing a semi-finished product for producing a composite molded part (7), in particular a composite fiber molded part, wherein a higher-melting reinforcement material (8), in particular higher-melting reinforcement fibers are combined with lower-melting fibers (10) made of thermoplastic into a laminate (4), wherein the lower-melting fibers are spun and after spinning are combined at a fiber temperature TF with the higher-melting reinforcement material, in particular with higher-melting reinforcement fibers, into the laminate forming the semi-finished product. The fiber temperature TF lies in a temperature range between a temperature of 25° C. below the heat distortion temperature TW to 55° C. above the heat distortion temperature TW of the thermoplastic of the lower-melting fibers.

Abstract: A cellulose acylate film includes cellulose acylate and a compound A which has a group represented by the formula (G) as defined herein and in which a value obtained by dividing a molecular weight of the compound by a number of the groups represented by formula (G) contained in the compound is 200 or less, and a content of the compound A is 15% by weight or more based on a content of the cellulose acylate, the iodine diffusion index X as defined herein is less than 0.005 and the iodine diffusion index Y as defined herein is 0.015 or more.

Abstract: The invention provides a heat-shrinkable polyester-based film comprising ethylene terephthalate units, constituent units derived from at least one monomer which forms an amorphous component, and constituent units derived from butanediol. The amount of the constituent units derived from at least one monomer which forms an amorphous component is 18 mol % or more, and the amount of the constituent units derived from butanediol is 1 to 25 mol % based on 100 mol % of all polyester resin components. The heat-shrinkable polyester-based film is characterized by particular values for the secondary shrinkage ratio of the film, the hot-water heat shrinkage ratio of the film, and the reversing heat capacity difference before and after the glass transition temperature of the film.

Abstract: A coat layer and a substrate layer are combined to prepare a transparent laminate film; the coat layer has a surface with a maximum height of rolling circle waviness profile (WEM) in accordance with JIS B0610 of 5 to 15 ?m and an arithmetic average roughness (Ra) of not less than 0.5 ?m. The transparent laminate film provides a comfortable writing experience and a reduced abrasion of a pen tip. The coat layer may have the surface with the arithmetic average roughness (Ra) of 0.5 to 5 ?m. The coat layer may contain particles and a binder component. The binder component may comprise a polyfunctional (meth)acrylate, and a urethane (meth)acrylate and/or a thermoplastic elastomer. The transparent laminate film may have a total light transmittance of not less than 85%. The transparent laminate film may be disposed on a surface of a display of a pen-input device.

Abstract: The invention described herein generally pertains to a composition and a method for improving the shelf life of a gaseous hydrofluoroolefin propellant, the improvement comprising at least the increased aromatic polyester polyol(s) in combination with a tertiary amine catalyst comprising at least two cyclohexyl rings and an aliphatic metal salt catalyst, the amine catalyst having less than 10% nitrogen on a weight basis.

Abstract: A process for production of expanded thermoplastic elastomer beads in the presence of a gaseous medium that surrounds thermoplastic elastomer beads. The process comprises a) an impregnating step, in which the gaseous medium has an impregnating temperature Ta, and the absolute pressure of the gaseous medium is greater than ambient pressure, the thermoplastic elastomer beads impregnated with a blowing agent, b) an expanding step, in which the thermoplastic elastomer beads expand as they are exposed to a pressure reduction at a first expanding temperature Tb, and c) optionally a fusing step, in which the expanded thermoplastic elastomer beads are fused together at a fusing temperature Tc to form at least one shaped part.

Abstract: A method for making ornamental trim for use in construction comprising applying a sealing composition having PVC particles in a flowable medium to a cut edge of a foam board, heating the sealing composition to a temperature at which the flowable medium solvates the PVC particles, and cooling the sealing composition to form a continuous sealing cap on the cut edge. A construction component consisting essentially of a foamed cellular board comprising smooth exterior surfaces separated by a cellular network and cut edges, and sealed caps adhered to the cut edges on the foamed cellular board comprising PVC in a polymer matrix. The board has a density of no more than 0.5 g/cm3, and the cut edges on which the sealed caps are adhered are unmelted edges.

Abstract: Embodiments of this invention relate to a composition composed of at least (A) a propylene-based polymer, and (B) a filler dispersed within the propylene-based polymer, which can be used as a wear layer on a resilient flooring or other substrate, among other uses.

Abstract: The present invention relates to a halogenated polymer composite composition that encapsulates a mineral filler. In particular the present invention relates to a polymer composite composition comprising at least one halogen containing polymer and at least one mineral filler, characterized that the halogen containing polymer and the mineral filler are both in form of a dispersion in aqueous phase during the mixing of the halogen containing polymer and the mineral filler. More particularly the present invention relates to a manufacturing method for a polymer composite composition comprising the steps of mixing of at least one halogen containing polymer with at least one mineral filler and drying the mixture of previous step wherein the halogen containing polymer and the mineral filler in step are in form of a dispersion in aqueous phase.

Abstract: The present invention is directed to a polypropylene composition (C), an article comprising the polypropylene composition (C) and the use of the polypropylene composition (C) to reduce paintability failure of a molded article. The polypropylene composition (C) comprises (a) 40.0 to 80.0 wt. %, based on the total weight of the composition, of a propylene copolymer (R-PP) having: (a1) a comonomer content in the range of 1.5 to 8.0 wt. %, and (a2) a melt flow rate MFR2 (230 ° C.) measured according to ISO 1133 in the range of 5.0 to 100.0 g/10 min, and (b) 20.0 to 40.0 wt. %, based on the total weight of the composition, of a mineral filler (F) being selected from the group consisting of talcum, wollastonite, kaolin, and mica, wherein the polypropylene composition (C) has a melt flow rate MFR2 (230 ° C.) measured according to ISO 1133 in the range of 5.0 to 45.0 g/10 min.

Abstract: The present disclosure provides a dispersion solution, including: a first solvent; a second solvent miscible with the first solvent; an inorganic nano sheet material dispersed in the first solvent; and a polymer dissolved in the second solvent, wherein the boiling point of the first solvent is different from that of the second solvent. The present disclosure also provides a method for preparing the dispersion solution and an organic/inorganic hybrid material having a lower coefficient of thermal expansion.

Abstract: The invention relates to rheology control kits for thickening two- or multi-component systems, comprising at least one module A containing (a1) at least one inorganic thickener and (a2) at least one wetting and dispersing agent that inhibits the thickening effect of the inorganic thickener (a1) and at least one module B containing (b1) at least one polymer that at least partially removes the inhibition of the thickening effect of the inorganic thickener (a1). The invention also relates to two- and multi-component systems into which modules can be incorporated, latent thickeners comprising module A and the use of latent thickeners in order to equip components with a latent thickening effect.

Abstract: A composition including 100 parts by mass of a polyvinyl acetal and 30 to 70 parts by mass of a plasticizer including 0.5 to 100% by mass of a plasticizer containing a polar group and 0 to 99.5% by mass of a plasticizer containing no polar group, a total of the plasticizer containing a polar group and the plasticizer containing no polar group being 100% by mass. When the polyvinyl acetal is analyzed by HPLC using an ODS column having an inner diameter of 4 mm and a length of 1 cm, the polyvinyl acetal exhibits a first peak and a second peak derived from polyvinyl acetals. In addition, a laminated product of a layer including a polyvinyl acetal and a layer including a hydrocarbon-based polymer.

Abstract: This invention relates to a polymeric pipe, and more particularly a polymeric pipe where the pipe comprises a crosslinked polyolefin formed from extruded polyolefin comprising a photoinitiator and a reactive extrusion species. More particularly, this invention relates to the manufacturing of plastic pipes and tubing by utilizing co-rotating twin screw extrusion combined with photo-induced crosslinking, of thermoplastic polymers such as polyethylene, to produce PEX pipes and tubing.

Abstract: Vulcanizates with desirable properties can be obtained from compositions incorporating polymers that include hydroxyl group-containing aryl functionalities, silica or other particulate filler(s) that contain or include oxides of silicon and a group or compound that can act to covalently bond the filler particles and the polymer. The group can be provided as a substituent of the filler particle, or a discreet compound can be provided in the composition.

Abstract: The invention is related to a fiber reinforced composition with superior balance of the strength/stiffness and the strain at break. It is further related to articles comprising the fiber reinforced composition.

Abstract: An inorganic filler included in an epoxy resin composition includes a coating layer formed on a surface thereof, and the surface of the coating layer includes at least two elements selected from the group consisting of C, N and O.

Abstract: Compositions include an aqueous solution of an organic dye of molecular weight in the range of about 300 to about 1,000 and a density-enhancing material. An amount of the density-enhancing material in the aqueous solution is sufficient to achieve a density of about 1.0 to about 1.3 g/mL. The composition has a viscosity of about 3.5 to about 5.0 centipoise. The compositions are useful in assessing the adequacy of a liquid handling mixing device to mix a reaction mixture.

Abstract: A rubber mix for tires including at least one cross-linkable polymer base, a reinforcing filler, a vulcanization system, a reinforcing resin and a dithiol chemical according to the formula SHRSH, wherein, in the formula, R is an aliphatic or aromatic group composed of 3 to 12 atoms.

Abstract: The disclosure provides a cross-linkable polymer composition, a core layer for an information carrying card comprising such cross-linked composition, resulting information carrying card, and methods of making the same. A crosslinkable polymer composition comprises a curable base polymer resin in a liquid or paste form, and a particulate thermoplastic filler. The base polymer resin is selected from the group consisting of urethane acrylate, silicone acrylate, epoxy acrylate, urethane, acrylate, silicone and epoxy. The particulate thermoplastic filler may be polyolefin, polyvinyl chloride (PVC), a copolymer of vinyl chloride and at least another monomer, or a polyester such as polyethylene terephthalate (PET), a compound or blend thereof.

Abstract: Provided is a polymer blend in granular form and a process for making the blend. The blend is suitable for use as an additive in a variety of applications, such as in detergent formulations.

Abstract: This disclosure relates to reactive epoxy compounds that have high water solubility. The reactive epoxy compounds are obtained by mixing an epoxy resin having at least two epoxy groups per molecule with a carboxyl group-containing compound obtained by reacting a polyetheramine comprising a primary amine and an acid anhydride derived from a polyvalent carboxylic acid. This disclosure also relates to waterborne epoxy resin composition comprising core-shell type epoxy resin particles dispersed in a solvent, wherein the particles are formed by an epoxy resin encapsulated in the reactive epoxy compounds of the present invention. The waterborne epoxy resin composition is low in volatile organic compounds (“VOC”).

Abstract: There is provided a thermoplastic polyester resin composition, comprising a specified amount of a multivalent hydroxyl compound (B) having five or more hydroxyl groups and a specified amount of an epoxy compound (C) that are to be blended with a thermoplastic polyester resin (A).

Abstract: The invention relates to compositions consisting of A) 70 to 90 parts by weight of at least one polycarbonate, B) 10 to 30 parts by weight of at least one graft polymer containing a rubber-elastic particulate graft base, which contains diene, and containing a vinyl co(polymer) shell, C) 0 to 15 parts by weight of at least one additive, wherein the sum of the parts by weight of components A) and B) in the composition is normalized to 100. The invention further relates to the use of the compositions to produce components containing a plastic carrier and a multi-ply metal layer, and to molded bodies produced from the compositions.

Abstract: A silicone elastomer includes a plasticizer component formed by or containing oil or an oil blend. The oil or at least one oil of the oil blend has a viscosity that is equal to or less than 350 mm2/s. The oil or the at least one oil of the oil blend is, for example, a silicone oil.

Abstract: The present invention relates to elastomeric polymer fiber reinforced asphalt cement concrete for use in a variety of applications. In particular, the reinforcement fibers are effective to reduce or preclude voids and/or cracks formed in the asphalt upon placement and to render a self-healing property to the placed asphalt.

Abstract: A high-grade asphalt composition includes 100 parts by weight of asphalt; 40-80 parts by weight of styrene-isoprene-styrene; 20-60 parts by weight of a polymer resin; 10-50 parts by weight of an anti-rutting agent; 2-15 parts by weight of a filler; 5-30 parts by weight of ceramic nanoparticles; 5-10 parts by weight of a binder; 3-15 parts by weight of an antioxidant; 1-10 parts by weight of a stabilizer; 5-20 parts by weight of a fiber; and 2-20 parts by weight of an adhesion promoter. A construction method is provided using the asphalt composition. The present asphalt composition is not easily rutted, aged and/or stripped. At the same time, the present asphalt can prevent water penetration and potholes, can reduce noise, and enable the roads to be paved at low costs.

Abstract: A polymer modified asphalt (PMA) includes a modifier material mixed with hot asphalt to form a modified asphalt mixture and in which a gelatinous carrier material is mixed with an acidic activator material and a curing agent to form a solid crosslinking agent. The solid crosslinking agent is mixed with the modified asphalt mixture to produce a modified asphalt material having improved rheological characteristics which prevents gel and lump formation in PMA.