Abstract: Provided is a polybutylene terephthalate resin composition maintaining mechanical strength while providing excellent toughness, and which has excellent flowability during melt molding. In particular, to 100 parts by weight of the sum of 50 to 99 parts by weight of (A) a polybutylene terephthalate resin and 1 to 50 parts by weight of (B) a thermoplastic elastomer, there is added 0.01 to 5 parts by weight of (C) an acrylic-based oligomer.

Abstract: Disclosed are poly(hydroxyalkanoic acid) compositions comprising a poly(hydroxyalkanoic acid) polymer, such as poly(lactic acid), and an impact modifier comprising a copolymer of ethylene and one or more alkyl acrylates of the formula CH2?C(R1)CO2R2, where R1 is hydrogen or an alkyl group with 1-8 carbon atoms and R2 is an alkyl group with 1-8 carbon atoms, such as methyl, ethyl, or butyl.

Abstract: A hydrogen tank liner material comprises a polyamide resin composition which comprises (A) a polyamide resin at 85-40 wt %, (B) a copolyamide at 5-30 wt % and (C) an impact-resistant material at 10-30 wt % with respect to the total weight of the polyamide resin composition. Preferably, the (B) copolyamide is PA6/66 and the (C) impact-resistant material is an acid-modified ethylene/?-olefin-based copolymer. A hydrogen tank liner material with excellent gas barrier properties and superior impact resistance even at low temperatures is obtained.

Abstract: The method of producing a metal film in accordance with the present invention includes: the organic film forming step of applying, onto a substrate or a film, an underlayer composition containing an addition polymerizable compound having three or more reactive groups, an addition polymerizable compound having acid groups, and an addition polymerizable compound having hydrophilic functional groups and polymerizing the composition, to form an organic film; the metal salt producing step of processing the organic film with an aqueous solution containing metal (M1) ions, to convert the acid groups to a metal (M1) salt; the metal fixing step of processing the organic film processed with the aqueous solution containing metal (M1) ions with an aqueous metal (M2) ion solution containing metal (M2) ions having lower ionicity than the metal (M1) ions, to convert the metal (M1) salt of the acid groups to a metal (M2) salt; and the reduction step of reducing the metal (M2) ions, to form a metal film on a surface of the or

Abstract: A heat-resistant resin composition comprised of a mixture prepared by kneading a polybutylene terephthalate resin together with a component different from said polybutylene terephthalate resin, wherein a ? relaxation peak of said heat-resistant resin composition on the tan ? curve determined by the dynamic viscoelasticity measurement defined in Japanese Industrial Standard K 7244-4 appears at a temperature lower than a temperature at which a ? relaxation peak of a composition composed singly of a polybutylene terephthalate appears; and said another component is dispersed in said polybutylene terephthalate resin phase in a form of particles having sizes of 1 ?m or smaller.

Abstract: Disclosed is a thermoplastic composition comprising a poly(trimethylene terephthalate) and about 0.2 to about 30 weight % of a modifier comprising organic acid and an ionomer derived from an ethylene acid copolymer in which the combined acid moieties of the organic acid and acid copolymer are at least partially neutralized with cations of magnesium, calcium, zinc, or a combination thereof.

Abstract: Polylactide polymers are reacted with an epoxy-functional acrylate polymer to introduce long-chain branching into the polymer. The acrylate polymer provides a flexible means for introducing a controllable amount of branching into the polylactide polymer, with little risk of forming gelled or highly crosslinked structures. The branched polylactide polymers have excellent melt rheological properties that make them more easily processable in various melt-processing applications.

Abstract: Provided is a light diffusing resin composition, which, when molded into a large-plane light diffusing plate, is free of yellowing due to thermal deterioration, and can exhibit good light diffusing property, and a light diffusing plate using the resin composition. The light diffusing resin composition includes 100 parts by mass of a polycarbonate resin containing a polycarbonate copolymer (A) having repeating structural units represented by formulae (I) and (II) and 0.01 to 10 parts by mass of a light diffusing agent (B).

Abstract: Disclosed are a polycarbonate resin composition obtained by blending a specific amount of an acrylic resin (B) having a specific viscosity average molecular weight or a specific amount of a polyorganosiloxane into a polycarbonate resin containing a polycarbonate copolymer (A) having repeating structural units represented by the general formulae (I) and (II) below and an optical molded body using the resin composition such as a light guide member. The polycarbonate resin composition enables to obtain a molded body having good light conductivity and being free from yellowing due to thermal deterioration, even when it is molded into a large-sized light guide member or light guide plate.

Abstract: A composition comprises or is produced from polyester, a first modifier, and a second modifier wherein the first modifier includes a polymer that is incompatible with poly(hydroxyalkanoic acid) and is not an acid-containing or acid generating polymer. Also provided is an article comprising or produced from the composition.

Abstract: In one aspect, described herein are ultrathin films comprising an azlactone functionalized polymer and a primary amine functionalized polymer. Also described herein are ultrathin films including reactive, nonreactive, partially reactive/nonreactive, hydrophobic, hydrophilic, and mixed hydrophobic/hydrophilic ultrathin films. In another aspect, described herein are methods for making surface attached and freestanding ultrathin films.

Abstract: Preform, serving as a semi-finished product, for a container intended for containing products therein that are sensitive to radiation in particular light sensitive and food and dairy products, consisting of at least one base layer (1) made of a primary plastic base material, with a certain amount of additives (5) incorporated in it (1), characterised in that said preform (10, 20) is opaque over virtually the whole extent thereof, wherein a relatively low percentage of plastic additives (5) is incorporated to generate sard opaque appearance (22), so as to protect the inner space (9) thereof which is delimitated by it against external radiation (V1, V2) particularly electromagnetic radiation, more particularly light, under normal pressure condition.

Abstract: Acrylate adhesive composition comprising N-methacryloyl-3,4-dihydroxyphenylalanine and/or N-acrylol-3,4-dihydroxyphenylalanine. The adhesive composition ensures an adhesion of substrates under moist conditions, in particular a biocompatible and waterproof adhesion to human skin.

Abstract: An adhesive composition includes an ethylene-vinyl acetate copolymer, a copolymer of an aliphatic heterocyclic compound and a monomer having an aromatic ring, a binder resin, a radical polymerizable material, and a radical initiator.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising a diene based elastomer and from 1 to 100 parts by weight, per 100 parts by weight of elastomer of a polymer nanofiber having a thickness ranging from 20 to 200 nm.

Abstract: [Problem] To provide a film for laminating a metal, which is applicable as a laminate film for a 2-piece can, superior in the shape-forming processability in can manufacturing and superior in the flavor performance of drinks, a film-laminated metal plate and a film-laminated metal container. [Solving Means] A film for laminating a metal plate comprising a thermoplastic polyester resin composition comprising 2-20 mol % of an alkylene oxide unit having two or more carbon atoms, which is derived from a polyoxyalkylene glycol component, relative to the total acid content of the polyester resin composition, wherein the thermoplastic polyester resin composition has a weight average molecular weight (A) of more than 40000, after laminating the aforementioned film on a metal substrate, remelting the film with heat at not less than its melting point (what is called remelting treatment), and rapidly cooling the film.

Abstract: A sliding or friction element that can be mechanically stressed is provided that includes a mechanically stressed section that is formed of a combination of at least two different plastics, one of which acts as a lubricating material. The first plastic (11) forms a plastic matrix, in which the second plastic (12) is chemically bonded.

Abstract: Polyamides containing repeat units derived from about 10 to about 35 weight percent 1,6-diaminohexane and terephthalic acid, up to 10 weight percent of other polyamide repeat units, and the remainder of the repeat units derived from 1,6-diaminohexane and adipic acid may be toughened with exceptionally small amounts of rubber tougheners, to give compositions which are especially tough. The resulting compositions are useful for industrial, consumer, electronics, and automotive parts.

Abstract: Provided is a process for producing a modified propylene polymer which includes using a radical initiator and an organic acid to modify a propylene homopolymer satisfying the following (a) to (h): (a) mmmm is 40 to 50 mol %; (b) [rrrr/(1?mmmm)]?0.05; (c) rmrm is 2.5 mol % or more; (d) mm×rr/(mr)2?2.0; (e) Mw/Mn is 2.5 or lower; (f) Mw is 50,000 to 200,000; (g) [?] is 1.5 dL/g; and (h) Tm is 65 to 85° C. Also provided are: a modified propylene polymer obtained by the production process; and a composition, a surface treatment agent for a polyolefin resin, and a primer each containing the modified propylene polymer.

Abstract: An aqueous composition comprising polymer particles of one or more aqueous emulsion copolymer and a homopolymer comprising polymerized units derived from monomer X, wherein monomer X is selected from polymerizable derivatives of imidazole, imidazoline, amidine, pyridine, pyrrole, pyrrolidine, pyrrolidinone, caprolactam, and combinations thereof. Also disclosed are methods of making and using the compositions.

Abstract: A biodegradable microfiber absorbent comprises a substantially homogeneous mixture of at least one hydrophilic polymer and at least one biodegradable polymer. The absorbent can be prepared by an electro hydrodynamic spinning of a substantially homogeneous polymer mixture. Medical dressings for burns and wounds, cavity dressings, drug delivery patches, face masks, implants, drug carriers that comprises at least one microfiber electrospun from a polymer mixture are provided. The dressings can have variable water vapor penetration characteristics and variable biodegradation times.

Abstract: A laminate of a thermoplastic resin and rubber comprising a thermoplastic resin layer (A) made of a matrix of a polyamide resin matrix containing an elastomer dispersed therein and an unvulcanized diene-based rubber layer (B) containing a diene-based rubber and a low molecular weight diene-based rubber having an acid anhydride group and having a weight average molecular weight of 500 to 50,000 laminated partially or totally in at least one layer each to form a laminate integrated at the time of vulcanization and a pneumatic tire using the same.

Abstract: A thermoplastic composition having improved scratch resistance comprising in combination from 20 to 80 wt. % of a polycarbonate homopolymer or copolymer comprising repeat carbonate units having the following structure: wherein R1 and R2 are independently at each occurrence a C1-C6 alkyl, n is an integer having a value of 0 to 4, p is an integer having a value of 1 to 4, and T is selected from the group consisting of C5-C10 cycloalkanes attached to the aryl groups at one or two carbons, C1-C5 alkyl groups, C6-C13 aryl groups, and C7-C13 aryl alkyl groups; from 20 to 80 wt. % of a poly(alkyl(meth)acrylate), wherein the alkyl group is straight or branched-chain, and has 1 or 2 carbons atoms is disclosed.

Abstract: The present invention belongs to the field of polymerization and processing of polymer and relates to the preparation of a kind of functional polyolefin master batch. The functional master batch is produced by liquid phase, melt phase, or solid phase reaction after mixing the polyolefin resin, polyamine and guanidine salt oligomer, olefin monomer and initiator. The molecular structure of functional polyolefin master batch is shown below: wherein R is a polyamine and guanidine salt oligomer bonded onto polyolefin molecular chain by covalence bond, while S is one selected from hydrogen, chlorine, methyl, or phenyl group. Blending mentioned functional master batch with the corresponding polyolefin, the various antimicrobe products, such as fibers, film, pipe and other plastic articles can be obtained. Besides endowing products with excellent permanent antimicrobe property, it also provides fibers with good-dyeable and antistatic ability and bumpers with easy-paintable ability.

Abstract: A polycarbonate such as aliphatic/aromatic polycarbonate comprises repeating structural carbonate units of the formula (H-1): in which Rh is a radical having the formula (H-2): wherein each of R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24, R25, R26, R27, and R28 is independently a hydrogen, a C1-C6 alkyl group, or a halogen substituted C1-C6 alkyl group. The polycarbonate, and a thermoplastic composition thereof, have improved thermal stability, cost-effectiveness, and exhibit improved manufacturability such as, for example, minimum cyclic carbonate formation and minimum amine acceptor requirement.

Abstract: Disclosed is a resin composition excellent in molding processability which comprises a plant-derived biodegradable plastic produced by actively fixing carbon dioxide present in the earth. A resin composition excellent in molding processability, comprising (A) a biodegradable (3-hydroxyalkanoate) copolymer having a recurring unit represented by the formula (1): [—CHR—CH2—CO—O—] (wherein R represents an alkyl group represented by the formula CnH2n+1 and n is an integer of 1 to 15) and 0.1 to 100 parts by weight, based on 100 parts by weight of (A) the biodegradable (3-hydroxyalkanoate) copolymer, of (B) an acrylic modifier having a weight average molecular weight (Mw) of 500,000 to 10,000,000.

Abstract: Disclosed is a composition comprising poly(hydroxyalkanoic acid) and an impact modifier having repeat units derived from an alkyl acrylate and optionally a comonomer. Also disclosed is a process for producing the composition and an article comprising the composition.

Abstract: A rubber composition for a tire superior in grip performance and abrasion resistance and a tire prepared by using the same are provided. The rubber composition for a tire comprises 3 to 200 parts by weight of an aromatic vinyl polymer having an end modified with —OH, —SH, —COOH, —CSSH, —SO3H, —(COO)xM, —(SO3)xM or —CO—R (M is a cation, x is an integer of 1 to 3 depending on the valency of M and R is an alkyl group) and having a weight average molecular weight of 300 to 10,000, based on 100 parts by weight of a diene rubber, and the tire is prepared by using the rubber composition.

Abstract: The invention relates to a shape memory polymer, to a process for its production and to a process for its programming. The inventive shape memory polymer has at least two switching segments with different transition temperatures (Ttrans,1, Ttrans,2) such that the polymer, depending on the temperature, as well as a permanent shape (PF), can also assume at least two temporary shapes (TF1, TF2). The first switching segment is based essentially on a polyester of the general formula (I) where n=1 . . . 6 or a copolyester of the general formula (I) with different n or a derivative thereof. The second switching segment is based essentially on a polyacrylate of the general formula (II) in which R is H or CH3, and R1 is a saturated or unsaturated, cyclic or aliphatic, unsubstituted or substituted C1-C10 radical.

Abstract: A heat-shrinkable film which is excellent in mechanical characteristics such as heat shrinkage characteristics, impact resistance, and transparency and in the finish of shrinkage and which is suitable for shrink packaging, shrink bundling, shrinkable labels, and so on. A film which is made from a mixed resin comprising as the main components either a polylactic acid resin (A) and a (meth)acrylic resin (B) or a polylactic acid resin (A) and a silicone/acrylic composite rubber (D) or has at least one layer made from the mixed resin and which exhibits a heat shrinkage percentage of 20% or above in the main shrinkage direction when dipped in water at 80° C. for 10 seconds.

Abstract: An object is, in a fly ash-containing cement composition, to disperse fly ash well with addition of a small amount of additive to prevent the deviation of flowability of the cement composition due to the change of unburned carbon content. An additive for a fly ash-containing cement composition includes (A) a nitrogenous polyoxyalkylene derivative represented by formula (1) and (B) a polycarboxylic acid series copolymer having a polyoxyalkylene chain as essential components. R1 represents hydrogen atom or a hydrocarbon group having 1 to 22 carbon atom, R2 represents alkylene group having 1 to 4 carbon atom, A1O represents one or two or more oxyalkylene groups having 2 to 4 carbon atoms, which may be block or random in the case of two or more kinds of oxyalkylene groups, p=0 to 20, q=0 to 20, r=1 to 10, s=0 to 2 and t=0 to 2.

Abstract: The invention is an article comprising at least two layers, a low crystallinity layer and a high crystallinity layer. One or both layers is capable of being elongated so that a pre-stretched article is capable of being formed.

Abstract: An ink-jet composition for a color filter excellent in storage stability, straightness and sustainability at the time of ejection from a head, wherein a cured layer thereof is excellent in heat resistance, adhesive property, and solvent resistance. The ink-jet ink composition for a color filter is a specific epoxy group-containing polymer (A), a specific epoxy group-containing compound (B) having two or more specific epoxy groups and a polycarboxlic acid derivative (C) in which specific carboxylic acid (cl) having alicyclic hydrocarbon is rendered latent by vinyl ether (c2), wherein the equivalence ratio of carboxyl groups rendered latent by the polycarbonoxylic acid derivative (C) to the total epoxy groups contained in the epoxy-group containing polymer (A) and the epoxy-group containing compound (B) is in the range from 0.7 to 1.1.

Abstract: The present invention is directed to curable film-forming compositions comprising: (a) a polymeric binder comprising a polyester having hydroxyl functional groups; and (b) a curing agent comprising a polyisocyanate having at least three isocyanate functional groups. In certain embodiments, after application to a substrate as a coating and after curing, the compositions demonstrate a Fisher microhardness of at least 120 at ambient temperatures of 15 to 25° C. and a softening point greater than or equal to 35° C. Additionally, in certain embodiments, after application to a substrate as a coating and after curing, the compositions demonstrate a 20° gloss recovery of at least 75% when subjected to the DRY ABRASION TEST METHOD.

Abstract: The present invention provides: a novel water-absorbing agent, which exhibits an excellent absorption capacity under a load (AAP), gel layer liquid permeation rate under a load (FRUP), saline flow conductivity (SFC), and shape-maintaining property and ball burst strength (BBS) of a swollen water-absorbing agent aggregate, and excellent persistency of these effects for a long time. The water-absorbing agent, which comprises a polymer obtained by a process including the steps of polymerizing and then crosslinking a monomer including acrylic acid and/or a salt thereof, with the water-absorbing agent being characterized by: (1) exhibiting a free swelling capacity of not less than 23 g/g (GV), a gel deformation of not more than 12.5 cm under a short-time load (0.5 hrPT), and a gel deformation deterioration of not more than 3.

Abstract: The melt strength and hence the processing window of blends of polycarbonate and PBT can be enhanced without degradation in the surface appearance of the article produced when relatively minor amounts of certain selected polymers are added to the blend. For example, a composition that has a thermoforming processing window of at least 15° C. for an article having a weight that is more than 100 grams, may contain 15 to 80% by weight of a polycarbonate resin; 10 to 80% by weight of polybutylene terephthalate, and 1 to 15% by weight of a semicrystalline melt strength enhancer. The meklt strength enhancer is polyethylene terephthalate (PET), polycyclohexane-dimethyl terephthalate (PCT), polycyclohexanedimethyl terephthalate glycol (PCT-G), and (poly)ethylene co 1,4 cyclohexanedimethylene terephthlate (PET-G), or a combination thereof.

Abstract: A resin composition comprising a polylactic acid-based resin (A) and methacrylic resins (B), wherein the methacrylic resins having at least (a) a difference of 10° C. or more in glass transition temperature or (b) a difference of 3% or more in syndiotacticity; it is preferred that at least one of the methacrylic resins (B) is a methacrylic resin having a weight average molecular weight of 50,000 to 450,000, a glass transition temperature of 110° C. or higher and a syndiotacticity of 40% or more, and that the resin composition further contains a multilayer structure polymer formed as particles each consisting of a core layer and one or more shell layers covering it (C) A molded article made of said resin composition.

Abstract: Compositions comprise phase separated polyetherimide/polyphenylene ether sulfone blends. The dispersed phase has an average cross sectional size of 0.1 to 10 micrometers. The composition retains has good hydrolytic stability and is capable of withstanding steam autoclaving at temperatures of 130 to 138° C.

Abstract: A user conformable composition includes a soft elastomer compound and a filler composed of aramid fibers, wherein the aramid fibers are fibrillated and dispersed in a base polymer, the base polymer/fibrillated aramid fibers being mixed with the soft elastomer compound. The compound is manufactured by fibrillating raw aramid fiber to create fibrillated aramid fibers, dispersing the fibrillated aramid fibers within a base polymer to create small pieces, mixing the small pieces into a soft elastomer compound.

Abstract: An elastomer composition, having an excellent flexibility and low temperature durability, a method for producing the same and a pneumatic tire using the same are provided. An elastomer composition (C) comprising a matrix of a thermoplastic resin (A), in which a dispersed phase of an elastomer component (B) is finely dispersed to form an island-in-sea structure, wherein volume ratios of the thermoplastic resin (A) and the elastomer component (B) satisfy the following formula (I): ?d/?m>?d/?m??(I) wherein ?d and ?d, respectively, indicate a volume ratio and a melt viscosity of the elastomer component (B), and ?m and ?m, respectively, indicate a volume ratio and a melt viscosity of the thermoplastic resin (A)), a method for producing the same and a pneumatic tire using the same.

Abstract: The instant invention concerns a composition that is useful as an adhesive in laminating applications. The composition comprises a segmented copolyesterether and a metallocene-catalyzed polyethylene-co-alpha-olefin plastomer, wherein the alpha-olefin comonomer can be a C3-C12 alpha-olefin. The adhesive heterophase blend is substantially free of external compatibilizers.

Abstract: A modified fluoropolymer composition according to the present invention is formed by mixing non-modified fluoropolymer, modified fluoropolymer, and polyamide in which a total amount of the modified fluoropolymer and the polyamide is 5 to 50 volume percent of a total amount of the non-modified fluoropolymer, the modified fluoropolymer, and the polyamide; and a volume ratio of the polyamide to the modified fluoropolymer is 0.1 to 2.

Abstract: A stretched product which is produced form a thermoplastic resin composition containing 10 to 98% by weight of a polystyrene resin A and 2 to 90% by weight of a polyamide resin B. The polyamide resin B contains a m-xylylene-containing polyamide which is constituted of a dicarboxylic acid constitutional unit and a diamine constitutional unit 70 mol % or more of which is derived from m-xylylenediamine. The semi-crystallization time of the polyamide resin B is 200 s or more at 140° C. when determined by a depolarized light intensity method. The stretched product has good gas-barrier properties and transparency.

Abstract: A polymer or blend is described which contains at least one acrylic resin or vinyl resin having at least one ionic or ionizable group, and at least one additional polymer. The polymer has small domain sizes with respect to the acrylic resin or vinyl resin. The polymer preferably has improved conductivity when formed into a film. Preferably, the polymers are useful in a variety of applications including in the formation of a membrane which is useful in batteries and fuel cells and the like. Methods of making the polymer blends are also described.

Abstract: A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester selected from poly(ethylene terephthalate), poly(ethylene isophthalate), or a combination thereof, and a second polyester comprising butylene terephthalate units, cyclohexanedimethylene terephthalate units, or a combination of cyclohexanedimethylene terephthalate units and ethylene terephthalate units. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.

Abstract: A two package type clear coating composition which can form cured coating film excelling in all aspects of scratch resistance, acid resistance, stain resistance and finished appearance such as coated surface smoothness, comprising a hydroxyl-containing acrylic resin (A) having a hydroxyl value of 100-200 mgKOH/g and a number-average molecular weight of 5,000-10,000, which is obtained by copolymerization of a monomeric mixture comprising an aromatic vinyl monomer and a monomer having cyclohexyl ring; a trifunctional HMDI isocyanurate compound (B); and a polyester polyol (C) having a hydroxyl value of 250-350 mgKOH/g and a number-average molecular weight of 350-550, which is obtained by esterification reaction of C3-6 diol with dicarboxylic acid having cyclohexyl ring.

Abstract: A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester comprising repeating units derived from cyclohexane dicarboxylic acid or a chemical equivalent thereof, and a C2-8 aliphatic diol or a chemical equivalent thereof, and a second polyester comprising units derived from isophthalic and/or terephthalic acid and a chemical equivalent thereof, and a C2-8 aliphatic diol or a chemical equivalent thereof. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.

Abstract: A masterbatch composition is provided that includes a colorant, a thermoplastic carrier, a metallocene polymer processing aid, and optionally an additive. Also provided is a method for making a masterbatch composition and a method for making a colorized polymer.

Abstract: Norbornene-based biocidal polymers having primary, secondary or tertiary amine or phosphine end groups, the parent monomers, processes for preparing the monomers and polymers, and their use.

Abstract: Polytrimethylene ether ester elastomer flexible films are provided. The films have desirable physical properties, including tenacity, that enable their use in making robust packaging from relatively thin films.