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

Abstract: A plastic preform, container or article includes a multilayer wall having at least one layer of a matrix resin, at least one layer of a barrier resin, an adhesion-promoting material blended with the barrier resin and/or matrix resin, and an active oxygen barrier composition blended with the barrier resin and/or matrix resin. The adhesion-promoting material promotes bonding between the barrier and matrix resin layers and includes an amine polymer, preferably an imine polymer having a number of available primary, secondary or tertiary amine groups. The matrix resin preferably is an ester-containing resin, such as PET. The barrier resin preferably is EVOH. The active oxygen barrier composition includes a metal with an additive compound, and may also include a host polymer.

Abstract: The invention relates generally to a process for the preparation of water-absorbent polymer particles, including the process steps of preparing particulate water-absorbent polymer and mixing the particulate water-absorbent polymer with an aqueous crosslinker solution and heat-treating the mixture of particulate water-absorbent polymer in a horizontally operated mixing device, wherein the horizontally operated mixing device is hydraulically driven. The invention also relates to water-absorbent polymer particles obtainable by such a process.

Abstract: A terminally unsaturated polyolefin satisfying the following (1) to (4): (1) the mesopentad fraction [mmmm] of propylene chain unit or butene-1 chain unit is 20 to 80 mol %; (2) the number of terminal vinylidene groups per molecule is 1.3 to 2.5; (3) the weight-average molecular weight Mw is 500 to 100,000; and (4) the molecular weight distribution Mw/Mn is 1.1 to 2.6.

Abstract: A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a surrounding gas phase, wherein the polymer particles are coated with a permeability improver.

Abstract: An improved polymerization method including a method comprising providing a reaction mixture comprising a first monomer, an organic oxidant, and at least one Lewis acid or Brönsted acid, wherein the first monomer comprises at least one optionally substituted heterocyclic ring, wherein the heterocyclic ring comprises at least one heteroatom; and reacting the reaction mixture to obtain a conjugated polymer. The method can reduce the content of undesirable entities in the polymer such as halogens and metals, which can be useful in organic electronic device applications. Purification methods also are adapted to remove organic and inorganic impurities.

Abstract: The invention relates to a thermoplastic composition comprising at least one thermoplastic matrix; and at least one copolymer obtained by copolymerization of C1-C4 alkyl methacrylate, a C1-C8 alkyl acrylate comonomer, and a styrene monomer. The invention also relates to molded bodies based on said thermoplastic composition.

Abstract: Surface coating composition, method and apparatus for coating a surface. The surface coating composition comprises a recycled rubber product, one or more binding agent and optionally one or more additional agent.

Abstract: This invention relates to a cycloolefin copolymer, which is prepared via ring-opening metathesis polymerization using, as monomers, dicyclopentadiene obtained by chemically bonding two cyclopentadiene molecules using a Diels-Alder reaction and tricyclopentadiene obtained by chemically bonding three cyclopentadiene molecules using a Diels-Alder reaction, in which the cyclopentadiene is a C5-fraction of naphtha cracking, and to a method of preparing the same. This copolymer is a non-crystalline transparent resin and is useful for a variety of end uses.

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: Method for producing polyacrylate adhesive compounds with a narrow molar mass distribution by radical polymerization and subsequent decolorization of colored reaction products resulting therefrom.

Abstract: To provide a curable composition which has favorable insulating property and liquid repellency, and from which a cured film having liquid repellency capable of being sufficiently converted to be liquid-philic even by irradiation with ultraviolet light having a wavelength of at least 300 nm, can be formed; an article having a cured film obtained by curing the curable composition and its production process. A cured film is formed by using a curable composition comprising a polymer having units (u1) based on a compound represented by the following formula (m1): wherein R1=a hydrogen atom, a methyl group or the like; R2=a bivalent organic group or the like; Cf=a C1-20 fluoroalkyl group or the like, X?O, S, N or NH; m=1 to 2; n=0 to 4; k=0 to 1; and Z=a (meth)acryloyl group or the like.

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: A modified toner based additive is a mixture of a toner powder and a second material selected from a group including a gelling clay, a reactive agent, an elastomer, a functional filler, a handling and agglomerating agent, a compatibilizer and mixtures thereof.

Abstract: Polymeric blends having improved flame retardance properties and good ductility at low temperatures are disclosed. The blend is formed from (A) a photoactive additive that is a cross-linkable polycarbonate resin containing a photoactive group derived from a dihydroxybenzophenone; and (B) a polymer resin which is different from the photoactive additive. The additive can be a compound, oligomer, or polymer. When exposed to ultraviolet light, crosslinking will occur between the photoactive additive and the polymer resin, enhancing the chemical resistance and flame retardance while maintaining ductility.

Abstract: Polystyrene is dispersed into a polyol via a mechanical dispersion process. A stabilizer is present to stabilize the dispersed polymer particles. The stabilizer includes a copolymer of (1) from 10 to 70% by weight of a branched polyol which has a molecular weight of from 4000 to 20,000, from 0.2 to about 1.2 polymerizable ethylenically unsaturated groups per molecule and from about 3 to about 8 hydroxyl groups per molecule with (2) from 30 to 90% by weight of styrene or a mixture of styrene and one or more other low molecular weight monomers.

Abstract: A metallocene-catalyzed polymer comprising (i) a higher molecular weight component and (ii) a lower molecular weight component wherein the polymer has a polydispersity index of from about 10 to about 26; a zero shear viscosity of from about 5×105 Pa·s to about 2×1014 Pa·s and a smooth-to-matte transition critical stress of from about 20 kPa to about 85 kPa at a shear rate of from about 1.5 s?1 to about 17 s?1. A dual metallocene catalyzed polyethylene comprising (i) a higher molecular weight component and (ii) a lower molecular weight component wherein the polymer has a polydispersity index of from about 10 to about 26; a zero shear viscosity of from about 5×105 Pa·s to about 2×1014 Pa·s and a smooth-to-matte transition stress of from about 20 kPa to about 85 kPa at a shear rate of from about 1.5 s?1 to about 17 s?1.

Abstract: A novel and improved process is provided for producing nitrile rubbers through free-radical polymerization in specific solvent mixtures. The resultant nitrile rubbers can then be subjected to hydrogenation. The process features excellent time-conversion curves.

Abstract: In one embodiment, a method for producing a template includes applying a resin to a first template having a first concavo-convex pattern, hardening the resin, releasing the hardened resin from the first template to produce a second template having a second concavo-convex pattern corresponding to the first concavo-convex pattern, and enlarging the second template.

Abstract: The invention relates to a film made of a vinyl chloride polymer mixture that, in addition to the conventional additives, contains 0.1 to less than 5 wt % of a semicrystalline or amorphous polyester, has a good thermal formability, and is suitable for the packaging of bulk goods. The film is produced by extruding or by calendering the plastified vinyl chloride polymer mixture, optionally followed by inline/offline stretching and, optionally, thermally formed immediately thereafter.

Abstract: Encapsulated cure systems are provided wherein a curative is incorporated into a solid or semi-solid carrier material whereby mere fracturing or failure of the capsule wall encapsulating such cure systems will not provide for or allow sufficient release of the curative. Also provided are adhesive systems incorporating said encapsulated cure systems.

Abstract: Disclosed are footwear soles comprising a propylene-based elastomer. The presence of the propylene-based elastomer provides the footwear sole with a well-balanced combination of desired properties, including low density, low compression set, and weldability.

Abstract: Disclosed is a toughened film forming agent for use in a fiber sizing, a finish coating or a binder composition, where the toughened film forming agent includes a film forming polymer and a toughening agent both dispersed in water. The toughening agent may be core shell polymers, rubber, thermoplastic materials, nanomaterials, nanofibers, including any combination or subset thereof. The film forming polymer may be epoxy resins, polyurethane resins, epoxy-polyurethane resins, polyester resins, epoxy-polyester resins, polyvinylacetate resins, polypropylene resins, including any combination or subset thereof.

Abstract: The present invention relates to various polymer compounds and/or formulations and to methods for the synthesis of same. In one embodiment, the present invention is related to polymer compounds and/or formulations that enable one to more easily remove sticky articles (e.g., chewing gum) from various surfaces.

Abstract: A method for releasing the content of the periplasmic space of bacterial cells is provided, which comprises incubating the bacterial cells in a solution containing styrene maleic acid copolymer (SMA). Also provided is a method of preparing a substantially pure sample of recombinant polypeptide. The methods find application in the recovery of materials, such as proteins, from bacterial cells.

Abstract: Disclosure of methods and compositions related to chemical conjugations to nanoparticles of polysaccharides cross-linked to poloxamers as well as nano-sized colloids comprised of polysaccharides and poloxamers. The nanoparticles may be produced by various methods including inverse miniemulsion polymerization processes which create nanogels of desired size, shape, and stability for controlled therapeutic drug delivery, imaging, and theragnostic applications.

Abstract: Selectively amino- or phosphino-functionalized block copolymers, and their preparation, for use as anion exchange membrane materials. The selectively functionalized block copolymers have at least two end blocks A each of which are substantially free of amino- or phosphino-functional groups, and have at least one interior block D which comprises on average at least one amino- or phosphino-functionalized polymer unit of formula (I) wherein Z is nitrogen or phosphorous; R1 is hydrogen or alkyl; R2 is hydrogen or is tertiary alkyl; R each independently, is hydrogen or is alkyl optionally substituted by a moiety -(A1-NRa)xRb; or two R groups, together with the Z to which they are bonded, form an optionally substituted ring; x is 1, 2 or 3; A1 is straight chain alkylene optionally substituted by one or more methyl and/or ethyl groups; and Ra and Rb, each independently, is hydrogen or alkyl; or a corresponding onium salt.

Abstract: A method for producing a water-absorbent resin including the step of subjecting a water-soluble ethylenically unsaturated monomer to a reversed phase suspension polymerization in a petroleum hydrocarbon dispersion medium in the presence of a radical polymerization initiator and a dispersion stabilizer, wherein the method is characterized by the use of an ether-ester type nonionic surfactant as the dispersion stabilizer, and a water-absorbent resin obtained by the method, wherein the water-absorbent resin has a water-retention capacity of saline solution of 25 g/g or more, a water-absorption rate of saline solution of 50 seconds or less, and a flow index under moisture absorption of 70% or more. According to the method of the present invention, a water-absorbent resin having high water-retention capacity, excellent water-absorption rate, and further having excellent flowability under moisture absorption can be produced.

Abstract: Processes for the continuous production of conjugated polymers are disclosed. The processes provide excellent control over reaction parameters and are highly reproducible. The conjugated polymers find use in heterojunction devices.

Abstract: An ethylene polymer with a density of less than 955 kg/m3 obtained by polymerisation with a single-site catalyst and having a shear thinning index SHI2.7/210 of less than 5 wherein ethylene polymer comprises two components.

Abstract: The present invention relates to olefin polymers having associative groups containing nitrogen heterocyclic compounds, to hot-melt adhesives including such polymers, and to method for producing same. Specifically, the invention relates to a polymer comprising units from ethylene and from a monomer having associative groups, said monomer including a polymerizing reactive group and an associative group containing nitrogen heterocyclic compounds.

Abstract: The present invention relates to an acrylic copolymer having high heat resistance and high strength, and an optical film comprising the same, and more particularly, to an acrylic copolymer for optical films in which alkyl (meth)acrylate monomers; (meth)acrylate monomers comprising aromatic rings and/or aliphatic rings; and (meth)acrylamide monomers are included and polymerized. An acrylic copolymer according to the present invention is excellent in heat resistance while maintaining transparency. Further, an optical film comprising a compound resin including the acrylic copolymer has superior transparency and heat resistance and is excellent in formability, adhesion, retardation properties, and durability.

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: A reactive polymer composition is provided, containing a (co)polymer that forms one or more reactive moities, either directly or indirectly, upon application of an ionizing radiation; and a multifunctional curing coagent, along with systems and methods for bonding substrates to one another using such a composition.

Abstract: Suitable adhesive properties and dismantling properties can be obtained, and an interface between an adherent/an adhesive layer or an adhesive layer/a substrate can be suitably dismantlable by the easily dismantlable adhesive composition including an acrylate polymer including a (meth)acrylate monomer having a carboxyl precursor group, 2-ethyl hexyl acrylate, and a monomer having a polar group as a monomer, and an acid catalyst or an acid generator.

Abstract: The current invention includes a composition having stability additives of selected inorganic salts and/or organic incorporated into an aldehyde-functionalized polymer product. The stability additive can be post added to the finished polymer product, added to the reaction vessel prior to inducing functionalization of the non-functionalized polymer, or added at any stage during the functionalization reaction. Methods for forming the composition and using the composition to produce a cellulosic fiber-based medium are also disclosed.

Abstract: Provided are methods of modifying a surface of carbon black and display devices with the carbon black. The display device may include an upper electrode, a lower electrode spaced apart from and facing the upper electrode, and a pigment between the upper and lower electrodes to include a plurality of micro-capsules. Each of the micro-capsules may include carbon black, whose surface may be modified to have hydrophobicity.

Abstract: A method for producing a polypropylene fiber, which can produce a high strength polypropylene fiber without using a special raw material and/or means is provided. The method for producing a polypropylene fiber includes the step of spinning a melt extruded fiber, the step of keeping cold, and the step of drawing, in which a ratio of a take-off speed with respect to an extrusion speed in the step of spinning the melt-extruded fiber is 50 to 750.

Abstract: A medical system and method can used to treat a bone. The system and method can include the preparation of bone cement to be used in the treatment. A non-liquid component and a liquid component can be combined to form a bone cement. A vacuum system can be used to saturate the non-liquid component with the liquid component. The bone cement and/or components can be heated and/or cooled.

Abstract: A process for producing polymer particles by polymerizing liquid droplets in a gas phase surrounding the droplets, said droplets comprising at least one monomer and being coated with particulate solids during the polymerization.

Abstract: Reversibly switchable (transformable) surface layer changeable from (super)hydrophobic to (super)hydrophilic surface states are described. Methods of decontamination of surfaces exposed to contaminate are provided. The reversibly switchable properties of the surface layer can be controlled by an external stimulus.

Abstract: A mixture of superabsorbents having differing surface postcrosslinking, more particularly a mixture of differingly surface-postcrosslinked sieve cuts of a base polymer, exhibits improved absorption and retention over a unitarily surface-postcrosslinked superabsorbent.

Abstract: Disclosed are an adhesive composition and a polarizing plate including the same and, more particularly, an adhesive composition including a vinyl-acrylate copolymer including a hydroxyalkylvinylether monomer as a repeating unit, a cross-linking agent, ionic solid, and a silane coupling agent and, in addition, a polarizing plate including the same. Such adhesive composition may have desired re-workability without decrease in durability caused by surface transfer of an ionic compound, and allow effective gelling of adhesive fraction, to thereby considerably reduce a curing period.

Abstract: The present invention provides a propylene-based block copolymer having high melt viscoelasticity, excellent balance between rigidity and impact resistance, good molding processability, and excellent 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) (the total amount of the Dsol and the Dinsol is 100% by weight), and satisfies the requirements [1] to [3]: [1] the molecular weight distribution (Mw/Mn) of the Dsol is 7.0 to 30, [2] the molecular weight distribution (Mw/Mn) of the Dinsol is 7.0 to 30, and Mz/Mw thereof is 6.0 to 20, and [3] the pentad fraction (mmmm) of the Dinsol is not less than 93%.

Abstract: A flowability improver for engineering plastics which comprises a polymer (A) comprising of 50 to 99.5% by mass of aromatic vinyl monomer units (a1), 0.5 to 50% by mass of (meth)acrylate monomer units (a2) having an ester group of phenyl or substituted phenyl group, and 0 to 40% by mass of other monomer units (a3) (with the proviso that the total of the units (a1) to (a3) is 100% by mass) and having a weight average molecular weight of 5000 to 150000. The flowability improver can improve engineering plastics in melt-flow characteristics (processability in molding) and chemical resistance without impairing the plastics in heat resistance, exfoliation resistance, and transparency.

Abstract: Provided herein are vinyl ether end-functionalized polyolefins and methods for producing the same.

Abstract: Stimuli-responsive highly absorbent superabsorbent polymers (SAPs) are used to harness water to augment water supply and solve water crisis. Rain water, dew or sea water is harnessed in fabric-based sachets or bags partially filled with the polymers. The hydrated polymers are used to store water in warehouses for an extended period of time and the invention may obviate the need to construct controversial huge dams and canals or drill wells. The stored water in superabsorbent polymers is released at the point of use by any stimulus which may be light-induced, electrical, thermal or chemical treatment. SAPs with 2000 g/g of absorbency can yield 99.95% pure water in solid/gel form. An ultra SAP with absorbency of 10,000 g/g of the polymer could hold 10 billion cu·m. of water in one million tonnes of the polymer. This is more than the capacity of a typical large dam over a river.

Abstract: The present invention relates to a continuous process for the production of a superabsorbent polymer comprising providing an acidic liquid aqueous monomer mixture containing dissolved oxygen; continuously feeding the aqueous monomer mixture to a reactor; introducing a source of carbonate or hydrogen carbonate into the aqueous monomer mixture prior to entry into the reactor thereby forming a gas phase comprising carbon dioxide and at least a part of the dissolved oxygen, the gas phase being dispersed in the liquid phase; subjecting the gas/liquid mixture to at least partial phase separation immediately prior to or after entry into the reactor and at least partially removing the separated gaseous phase; subjecting the liquid phase in the reactor to free-radical polymerization to obtain the superabsorbent polymer, and continuously removing the superabsorbent polymer from the reactor.

Abstract: This invention provides a polyfunctional polymer having high stereoregularity, in particular, isotacticity, and provides a production process thereof. The present invention relates to a polymer having, in a molecule, a repeating unit represented by General Formula (2): wherein R1 and R2 are different, and each represents a hydrogen atom, an alkyl group and an aryl group; * represents an asymmetrical carbon, the polymer containing meso diad (m) and racemo diad (r) at a proportion of 60:40 to 100:0 (m:r). The invention also relates to chemical modifications and a production process of the polymer.

Abstract: The present invention is a method for producing a water absorbent resin which method is a method for producing surface cross-linked water absorbent resin particles, the method including the successive steps of: (a) adding a surface cross-linking agent and water to a particulate water absorbent resin in a mixer; and (b) reacting the resulting water absorbent resin mixture taken out from the mixer with the surface cross-linking agent in a reactor by heating or active energy ray irradiation, water vapor being used as part or all of the water added in the mixer. This makes it possible to provide a method for producing a water absorbent resin in which method a surface cross-linked water absorbent resin that has excellent properties can be obtained efficiently at low cost with high productivity.