Abstract: A novel PE material is devised showing excellent mechanical/optical properties and process ability, e.g. for film extrusion. The polyethylene of the invention is produced in one single e.g. gas phase reactor.

Abstract: The invention relates to a mixture composition having dispersing properties, containing copolymers based on unsaturated mono or dicarboxylic acid derivatives and oxyalkylene ethers as component I and water-soluble copolymers and terpolymers containing sulfo groups having an average molecular weight of 50 000-20 000 000 g/mol as component II. By combining both components, which can be respectively characterized by four different structural units, it is possible to obtain mixture compositions which can, more particularly, be used as dispersing agents for organic and/or inorganic pigments and fillers, in addition to known applications in the field of structural chemistry. In the field of structural chemistry, the mixture compositions are suitable for use on account of the dispersing properties thereof, particularly in ceramic systems and in water-based painting and coating systems.

Abstract: It is to provide a method for producing a polymer by a living anionic polymerization, wherein the number of functional groups and the introduction position are accurately specified in the polymer. For this purpose, a cinnamyl alcohol represented by the following formula [I] or a derivative thereof is subjected to a reaction when conducting a living anionic polymerization. In formula [I], R1 represents an alkyl group or alkoxy group; m represents an integer of 0 to 5 and when m is 2 or more, R1s may be the same or different; R5 represents a hydrogen atom, alkali metal atom, trialkylsilyl group or a substituent represented by the following formula [II]. In formula [II], R3 represents a hydrogen atom or a C1-C6 alkyl group; and R4 represents an alkyl group which may be substituted by an alkoxy group, a cycloalkyl group which may be substituted by an alkoxy group, a phenyl group which may be substituted by an alkyl group, or a phenyl group which may be substituted by an alkoxy group).

Abstract: A method for producing a polymer, including polymerizing a ring-opening polymerizable monomer in a compressive fluid with a metal-free organic catalyst to produce a polymer.

Abstract: The present invention provides a chemically bonded carbon nanotube-polymer hybrid and the nanocomposite thereof, having the following advantages: functionalizing carbon nanotubes and also effectively having the carbon nanotube covalently bonded with a wide variety of polymers, even for stable and non-reactive polymers, such as commercially available polymers and high performance engineering plastics. The nanocomposite material according to the invention, compared to its matrix polymer, has higher mechanical strength, conductivity, proton conductivity, and heat stability.

Abstract: A curing accelerator for epoxy resin compositions, which is used in a one-pack type epoxy resin composition having excellent storage stability and rapid curability. The curing accelerator for epoxy resin compositions contains a microcapsule type curing accelerator wherein a compound represented by formula (I) is encapsulated by a thermosetting resin. (In formula (I), R1 and R2 each represents a hydrogen atom or an alkyl group.

Abstract: The present invention relates to a retardation film that comprises a blend resin of 1) an acryl-based copolymer resin that comprises an alkyl methacrylate-based monomer and a cycloalkyl methacrylate-based monomer, and 2) a resin that comprises an aromatic ring or aliphatic ring in a polymer main chain, a method for manufacturing the retardation film, and a liquid crystal display device that comprises the retardation film. The retardation film according to the present invention has excellent heat resistance, optical transparency, mechanical strength, and durability.

Abstract: UV-cured pressure sensitive adhesive including one or more UV-curable acrylic oligomers, one or more tack control components, and, optionally, an elastomeric material is described herein. The adhesive includes an adhesive component ratio of the various adhesive components effective to provide desired first peel adhesions and subsequent peel adhesions.

Abstract: A novel PE material is devised showing excellent mechanical/optical properties and process ability, e.g. for film extrusion. The polyethylene of the invention is produced in one single e.g. gas phase reactor.

Abstract: This invention provides an automobile water-based paint capable of forming coating film of little metallic mottling and excellent flip-flop property and smoothness, which comprises hydroxyl-containing resin, viscosity-regulating agent and hydrophobic solvent, the viscosity-regulating agent being a copolymer obtained by copolymerizing a monomeric mixture containing a (meth)acrylic acid (salt), monomer represented by the following formula (1) [in which R1 stands for hydrogen or methyl, R2 and R3 stand for hydrogen, methyl or ethyl, R4 stands for C8-24 hydrocarbon group, and n is an integer of 3-60], alkyl (meth)acrylate of which alkyl moiety has 1-4 carbons and a monomer having at least two polymerizable unsaturated groups per molecule, at specific ratios.

Abstract: The present invention relates to a pressure-sensitive adhesive composition including interpenetrating polymer networks in a cured state, wherein the composition comprise a multi-functional acrylate and a thermal initiator; a polarizer; and a liquid crystal display comprising the same. In the present invention, the pressure-sensitive adhesive composition may be provided, which can outstandingly prevent light leakage phenomenon, with having excellent physical properties such as endurance reliability under high temperature and/or high humidity conditions and workability. Especially, according to the present invention, the pressure-sensitive adhesive composition, polarizer and liquid crystal display are provided, which can outstandingly prevent light leakage phenomenon even in large-sized display devices.

Abstract: A method for re-mobilizing superabsorbent polymer particles which have previously been immobilized by a solidified thermoplastic composition comprising at least 30 weight-% of a thermoplastic polymer. The superabsorbent polymer particles are separated from the solidified thermoplastic composition by using a supercritical fluid comprising carbon dioxide, propane, or mixtures thereof. Separation may be further improved by the use of one or more co-solvents.

Abstract: The present invention relates to copolymers obtainable by free-radical polymerization of i) 10% to 90% by weight, based on the total weight of components i to iv, of at least one monomer selected from the group consisting of a C8-C30 alkyl (meth)acrylate, C8-C30 vinyl ester, C8-C30 vinyl ether, C8-C30 olefin, and triglyceride of unsaturated C8-C30 carboxylic acids; ii) 0.

Abstract: The present disclosure includes fluoropolymer-based materials, methods of making fluoropolymer-based materials, methods of using fluoropolymer-based materials, and the like.

Abstract: A process for the polymerization of one or more addition polymerizable monomers to form a copolymer comprising multiple regions or segments of differentiated polymer composition or properties comprising contacting an addition polymerizable monomer or mixture of monomers under addition polymerization conditions with a composition comprising at least one olefin polymerization catalyst, a cocatalyst and a chain shuttling agent, said process being characterized by formation of at least some of the growing polymer chains under differentiated process conditions such that two or more blocks or segments formed within at least some of the resulting polymer are chemically or physically distinguishable.

Abstract: A fiber modifier for improving thermo-bonding affinity of a composite fiber to a natural fiber includes a blend of maleic anhydride and a copolymer component selected from a copolymer of ethylene and acrylic acid, a copolymer of ethylene and methacrylic acid, and combinations thereof. A core and sheath composite fiber including a sheath component made from a fiber composition that contains the above fiber modifier is also disclosed.

Abstract: Commercial thermoplastic clean flame retardant materials in wire and cable insulation are mechanically unstable due to high filler loading. In the present invention, thermoplastic, black color, clean flame retardant composition using carbon nano tubes (CNT) is made. The resultant compositions possess very low smoke and toxicity. CNT with outer diameter of 40-60 nm and length of under 20 ?m are used to increase mechanical properties and flame retardancy. Thermo plastically extruded composition consists of each component by parts by weight as follows: 100 of resin (polyolefin or 100 of polyolefin/ethylene propylene diene monomer (EPDM)), 90-150 of non halogen containing flame retardants, 1-20 of auxiliary secondary flame retardant agents, 2-4 of CNT (outer diameter of 40-60 nm) and length under 20 ?m and 0.2-1.0 of antioxidants. A reliable method for producing thermoplastic black color clean flame retardant insulation material for wire and cable without deterioration of mechanical properties is discussed.

Abstract: To provide a propylene-based block copolymer which has high melt viscoelasticity, excellent balance between rigidity and impact resistance and good molding processablility and is extremely excellent in its molded product appearance, a composition containing the copolymer and molded products obtained therefrom. The propylene-based block copolymer comprises 5 to 80% by weight of a room temperature n-decane-soluble portion (Dsol) and 20 to 95% by weight of a room temperature n-decane-insoluble portion (Dinsol), with the proviso that the total amount of the Dsol and the Dinsol is 100% by weight, and satisfies the following requirements [1] to [3] at the same time: [1] the molecular weight distribution (Mw/Mn) of the Dsol is not less than 7.0 but not more than 30, [2] the molecular weight distribution (Mw/Mn) of the Dinsol is not less than 7.0 but not more than 30, and Mz/Mw thereof is not less than 6.0 but not more than 20, and [3] the pentad fraction (mmmm) of the Dinsol is not less than 93%.

Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.

Abstract: The present invention relates to a composition containing at least one (meth)acrylic polymer and at least one copolymer containing motifs from at least one first monomer (A), enabling compatibility with said (meth)acrylic polymer, and at least one second motif (B) carrying an associative group. The invention also relates to the use of such a copolymer having associative groups to improve the properties of a (meth)acrylic polymer. The invention also relates to uses of the abovementioned composition.

Abstract: Processes of making thermoplastic compositions comprising melt-mixing certain hyperbranched polymers with one or more thermoplastic polymers, such that the hyperbranched polymers are made by heating the presence of an acid esterification catalyst a monomer mixture comprising a hyperbranching monomer consisting of compounds having two COOH groups and one OH group, compounds having one COOH group and two OH groups, compounds having one COOH group and three OH groups, or compounds having three COOH groups and one OH group, wherein the acid esterification catalyst is neutralized before or during the melt-mixing to provide a quantity of remaining acid esterification catalyst that is less than 0.3 mmoles per kilogram of the one or more thermoplastic polyesters.

Abstract: Processes of making thermoplastic compositions comprising melt-mixing one or more thermoplastic polymers with a hyperbranched polymer made by heating in the presence of a mild basic/nucleophilic esterification catalyst a monomer mixture comprising a hyperbranching monomer consisting of compounds having two COOH groups and one OH group, compounds having one COOH group and two OH groups, compounds having one COOH group and three OH groups, or compounds having three COOH groups and one OH group, wherein the mild basic/nucleophilic esterification catalyst is selected from tin, titanium, aluminum, antimony, manganese, zinc, and calcium derivatives. Upon molding the thermoplastic composition into a test specimen having a thickness of 2 millimeters and after aging the test specimen at 121° C., 2 atm and 100 percent relative humidity for 50 hours, the test specimen retains at least 50 percent of its initial tensile strength as measured according to ISO 527-2/5A.

Abstract: The invention relates to anionically modified copolymers that can be obtained by the polymerisation of monomers (A), (B), (C) and (D) in order to obtain non-ionic copolymers comprising reactive terminal OH groups, and subsequent reaction of the terminal OH groups to form anionic end groups, where A) is a monomer of formula (I) wherein A is C2-C4 alkylene and B is a C2-C4 alkylene different from A, and R is hydrogen or methyl; (B) is a monomer of formula (II) wherein D is C3 alkylene, R is hydrogen or methyl, and o is a number between 2 and 500; (C) is an ethylenically unsaturated monomer containing an aromatic group; and (D) is an ethylenically unsaturated monomer containing an alkyl radical.

Abstract: Processes for making a core and core-shell copolymers are provided herein. Processes for making crosslinked elastomeric core particles includes emulsion polymerizing, in the presence of a radical polymerization initiator, a polymerization mixture containing at least one ethylenic elastomeric monomer, at least one crosslinking agent, and at least one sulfur-containing additive of the formula I below, where R and Z are defined herein. The core-shell copolymers formed are useful for example as additives in polymer matrices such as for modifying impact strength and improving optical properties.

Abstract: Disclosed is a silicone impact modifier with a high refractive index. The silicone impact modifier can include (A) a rubber core including (a1) an organosiloxane cross-linked (co)polymer with a particle size of about 50 to about 400 nm and (a2) an alkylacrylate-styrenic aromatic compound cross-linked copolymer; and (B) a plastic shell including a vinyl (co)polymer. The refractive index of the silicone impact modifier of the present invention can be about 1.49 to about 1.59.

Abstract: A laser-sinterable resin powder, which retains properties of styrene resins such as impact resistance and low water absorption and shows sharp decrease of melt viscosity similarly to crystalline resins at a temperature not lower than the glass transition temperature can be made of a thermoplastic resin composition containing 10-80 mass % of a crystalline resin (A) with a melting point of 80-250° C. and 20-90 mass % of a styrene resin (B), and having a 50% average particle diameter of 10-100 ?m. The Component (A) is preferably a polyolefin resin. The Component (B) is preferably a rubber-reinforced styrene resin composition, wherein the rubber component is preferably an ethylene-?-olefin copolymer rubber and/or a hydrogenated product of a diene rubber. The laser-sinterable powder preferably has a melt flow rate of 5-500 g/10 min.

Abstract: A pressure-sensitive adhesive composition for an optical film of the present invention includes a (meth)acrylic polymer(A) that comprises, as monomer units, 67 to 96.99% by weight of alkyl (meth)acrylate(a1), 1 to 20% by weight of benzyl (meth)acrylate(a2), 2 to 10% by weight of a carboxyl group-containing monomer(a3) and 0.01 to 3% by weight of a hydroxyl group-containing monomer(a4), has a weight average molecular weight(Mw) of 1,600,000 or more, and satisfy a weight average molecular weight(Mw)/number average molecular weight(Mn) ratio of 1.8 to 10. The pressure-sensitive adhesive composition can satisfy durability that does not cause peeling, separation at the state in which the optical film was attached, and can form a pressure-sensitive adhesive layer capable of improving display non-uniformity caused by a white display leakage at a peripheral portion.

Abstract: Disclosed are films, tapes, and melt-spun fibers prepared from a composition comprising (a) at least one polyester polymer and (b) from about 1 to 30 weight % of at least one ethylene copolymer such as ethylene/vinyl acetate dipolymers, ethylene/vinyl acetate terpolymers, ethylene/alkyl (meth)acrylate dipolymers, ethylene/alkyl (meth)acrylate terpolymers, functionalized ethylene copolymers, ethylene/acid copolymers, and salts thereof. The films, tapes and fibers exhibit improved tensile properties such as tensile strength and elongation at break compared to non-modified polyester compositions. Also disclosed are textiles and articles prepared from the fibers described.

Abstract: Adhesives suitable for use with low surface energy materials are described. The adhesive contain an acrylic copolymer, a high glass transition temperature tackifier and a low glass transition temperature tackifier. The acrylic copolymer is the reaction product of a first alkyl(meth)acrylate having at least 5 carbon atoms in the alkyl group, a second alkyl(meth)acrylate having 1 to 4 carbon atoms in the alkyl group, and a vinyl carboxylic acid. Both tackifiers have a Tg greater than the Tg of the acrylic copolymer. The high glass transition temperature tackifier has a Tg of at least 20° C. and the low glass transition temperature tackifier has a Tg of less than 0° C.

Abstract: The present invention pertains to a water-redispersible polymer powder based on at least one modified natural latex. The modified natural latex can be obtained by mixing natural latex with at least one radical initiator and/or oxidising agent, by mixing and reacting natural latex with at least one olefinically unsaturated monomer and with at least one radical initiator, and/or by mixing natural latex with at least one filler. Preferably, the polymer powder contains up to about 95 wt. % of least one natural latex, about 0 to 50 wt. % of at least one protective colloid, about 2 to 70 wt. % of at least one filler and/or anti-caking agent, as well as optionally further additives. In addition, the invention pertains to a process for the preparation of the polymer powder, the use thereof as an additive in building material compositions, as well as building material compositions containing the polymer powder.

Abstract: Pressure-sensitive adhesive comprising a crosslinkable polyolefin and at least one tackifier resin, wherein the polyolefin is composed of at least two monomers A and B and of at least one comonomer C amenable to crosslinking, the monomers A and B being selected from the group consisting of ?-olefins, vinyl acetate, n-butyl acrylate and methyl methacrylate or, in the case of EPDM, a diene such as 5-ethylidene-2-norbornene, dicyclopentadiene or 5-vinyl-2-norbornene.

Abstract: A lubricating oil composition and methods of operating an internal combustion engine to provide improved engine operation. The lubricating composition includes a major amount of oil of lubricating viscosity and a minor amount of at least one olefin copolymer having a number average molecular weight greater than about 10,000 up to about 300,000. The olefin copolymer is grafted with (A) a vinyl-substituted aromatic compound, and (B) a compound selected from the group consisting of a C5-C30 olefin, a polyalkylene compound, and mixtures thereof. A mole ratio of A/B in the reaction mixture ranges from about 0.25:1 to about 5:1. The lubricating composition optionally includes a minor amount of at least one non-grafted olefin copolymer, styrene-isoprene copolymer, methacrylate copolymer, or styrene butadiene copolymer have number average molecular weight greater than about 50,000 up to about 300,000.

Abstract: A compensation element for leveling an add-on part (12) relative to a constructional component (13) has a base body (22) in which a curable material is embedded in a dispersed manner and is activated under pressure for changing a deformable condition of the base body (22; 32) to a rigid condition.

Abstract: A denture adhesive article, comprising a denture adhesive component and a viscosity index improver, wherein the denture adhesive article is preformed.

Abstract: A process of the present invention is directed toward conducting highly selective, high yield post-polymerization reactions on polypeptides to prepare functionalized polypeptides. In certain embodiments, the polypeptides can be prepared by ring opening polymerization of N-carboxyanhydrides. In certain embodiments, the post-polymerization reaction is a “click chemistry” reaction. In certain embodiment, the “click chemistry” reaction is a triazole-forming reaction involving an alkyne on the polypeptide and an azide.

Abstract: A polyolefin compound including: A) at least one thermoplastic olefin copolymer including the reaction product of olefin 1 and olefin 2, wherein: olefin 1 is a C2 based olefin and olefin 2 is a C3 to C8 ?-olefin or olefin 1 is a C3 based olefin and olefin 2 is a C4 to C8 ?-olefin; B) at least one functional polymer, the functional polymer content in the polyolefin compound being between 1 and 75 weight percent of the combined components A and B; wherein the thermoplastic olefin copolymer and the functional polymer form a co-continuous phase; wherein: a) an 12 melt index of the polyolefin compound is from about 1 to about 15 as measured using ASTM D 1238; b) a Shore A hardness of the polyolefin compound is from about 55 to about 100 as measured using ASTM D2240; c) a flexural modulus of the polyolefin compound is from about 0.8 to about 30 kpsi as measured using ASTM D790.

Abstract: Embodiments of the invention provide block composites and their use as impact modifiers.

Abstract: Pressure sensitive adhesive comprised of a polypropylene resin of low density and high melting point and at least one tackifying resin

Abstract: The present invention relates to an acrylic pressure-sensitive adhesive including: a) an acrylic polymer containing, as a monomer unit, an alkyl (meth)acrylate including an alkyl group having 1 to 20 carbon atoms in an amount of 50% by weight or more; and b) a tackifier resin, in which the acrylic polymer a) contains two kinds of monomer units having a difference in solubility parameter (SP value) of 0.2 (MPa)1/2 or more, each in an amount of 15% by weight or more.

Abstract: Compositions that include one or more compounds according to formula I: wherein Y is —S—, or —SO2—; R1 and R1? are independently chosen from H, —CH3, or a combination thereof; R2 is H, —CH3, or, and m and n are independently chosen from 0, 1, 2, 3, and 4; and one or more photochromic compounds.

Abstract: An embolization system having a high packing fraction of embolic particles for use in occluding the flow of body fluid through a body vessel and a method for using such an embolization system are described. The embolic particles, which are made from a shape memory material, exhibit both a collapsed state and an expanded state. The embolic particles exhibit at least a bimodal particle diameter distribution in the collapsed state and expanded state with a particle packing fraction of at least about 0.85. The mixture of embolic particles is delivered into the body vessel in the collapsed state. The particle packing fraction of the mixture in its expanded state causes the occlusion of the flow of body fluid through the body vessel.

Abstract: The present invention relates to a process for crosslinking polymers containing chromophoric groups, by thermal Huisgen reaction, on heat-polymerizable chromophoric polymers bearing at least one azide function and/or one alkyne function and on crosslinked polymerized materials with good orientation stability of the chromophores.

Abstract: A copolymer is formed from an isoolefin having from 4 to 7 carbon atoms and an alkylstyrene. The copolymer has a substantially homogeneous compositional distribution. The copolymer has from about 8 to about 12 wt % of alkylstyrene and at least 85 wt % of isoolefin. The copolymer is preferably halogenated with about 1.1 to about 1.5 wt % of a halogen. The copolymer may in elastomeric nanocomposites. To obtain a good dispersion of the nanoclay in a formulated compound, at least one cure accelerator is selected from the group consisting of mercaptobenzothiazole disulfide, mercaptobenzothiazole, cyclohexyl benzothiazole disulfide, dibutyl thiourea, tetramethylthiuram disulfide, 4-4-dithiodimropholine, zinc dimethyldithiocarbamate, and zinc dibutylphosphorodithiate.

Abstract: An improved polymerization and processing method allows the production of special nitrile rubbers which are characterized by a specific cation content which leads to an excellent storage stability and particularly good vulcanization rate and moreover results in vulcanized materials that have advantageous properties, especially with regard to the contact with water or water-containing media of molded parts based on said vulcanized materials.

Abstract: Compositions of vinyl halide polymers such as PVC are rendered compostable by a prodegradant system of a monomeric adduct of an organotitanate or zirconate and an organotin. PVC sheets and composites are compostable in landfills.

Abstract: A method comprising contacting a grafting polymerization initiator with a composition comprising a vinylaromatic monomer and an elastomer under conditions suitable for the formation of a polymeric composition and forming the polymeric composition into an article wherein the article has an Izod impact strength of greater than 2.0 ft. lb./in. A method comprising contacting a grafting polymerization initiator with a vinylaromatic monomer and an elastomer under conditions suitable for the formation of a polymeric composition, wherein the grafting polymerization initiator comprises a peroxyketal.

Abstract: A method is provided for obtaining crosslinked polymers having pendent sulfonic acid groups by crosslinking through the sulfonic acid groups or their precursors with aromatic crosslinkers or aromatic pendent crosslinking groups to form aromatic sulfones. Such crosslinked polymers may be used to make polymer electrolyte membranes (PEM's) that may be used in electrolytic cells such as fuel cells.

Abstract: Compositions comprising a hyperbranched compound and a polymer prepared from reactants comprising at least one (meth)acrylate monomer, and dental filling compositions comprising a hyperbranched compound.

Abstract: To provide a hydrophobic linear polyrotaxane molecule which is soluble in an organic solvent, and a crosslinked polyrotaxane using the same. A hydrophobic linear polyrotaxane molecule has a cyclic molecule, a linear molecule including the cyclic molecule with piercing through the cyclic molecule, and blocking groups placed at both end terminals of the linear molecule to prevent the cyclic molecule from leaving from the linear molecule. The linear molecule is hydrophobic. The linear molecule is polycaprolactone and has a molecular weight ranging from 5,000 to 100,000. The cyclic molecule is ?-cyclodextrin, ?-cyclodextrin or ?-cyclodextrin. A crosslinked polyrotaxane is formed by combining the hydrophobic linear polyrotaxane molecule and a polymer through the cyclic molecule.

Abstract: Stain-resistant, overcoat formulations for porous print media and having a viscosity of less than 20 cP comprise at least one (a) low-surface-energy fluoropolymer, and (b) film-forming binder resin.