Abstract: A method of forming a material. A self-assembling block copolymer that includes a first block species and a second block species respectively characterized by a volume fraction of F1 and F2 with respect to the self-assembling block copolymer is provided. At least one crosslinkable polymer that is miscible with the second block species is provided. The self-assembling block copolymer and the at least one crosslinkable polymer are combined to form a mixture. The mixture having a volume fraction, F3, of the crosslinkable polymer, a volume fraction, F1A, of the first block species, and a volume fraction, F2A, of the second block species is formed. A material having a predefined morphology where the sum of F2A and F3 were preselected is formed.

Abstract: Embodiments of the invention provide crystalline block composites and their use as compatibilizers. The crystalline block composites comprise i) a crystalline ethylene based polymer; ii) a crystalline alpha-olefin based polymer and iii) a block copolymer comprising a crystalline ethylene block and a crystalline alpha-olefin block.

Abstract: The mixture of the invention contains, for 100 parts in weight of (A)+(B): (A) 10 to 90 parts in weight of at least one non-nanostructured olefinic thermoplastic polymer; (B) 90 to 10 parts in weight of a formulation of at least one elastomer having unsaturated double bonds and capable of reacting with a cross-linking or vulcanization agent, said formulation containing a crosslinking or vulcanization system of said elastomer(s), at least one plasticizer, and the standard additives present in elastomer formulations; (C) up to 100 parts in weight, relative to (A)+(B), of at least one copolymer grafted with polyamide blocks, said copolymer comprising a polyolefin trunk and at least 1.

Abstract: To provide a modified recycled polyester resin that has stable moldability, is capable of producing as a by-product only a small amount of gel-like material during the process of modification to allow stable cross-linking reaction, and can prevent the possibility of recleavage, and to provide a molded article using the same. The modified recycled polyester resin contains a recycled PET resin having a carboxyl group, and a modifying agent having an epoxy group and an oxazoline group, ends of the carboxyl group of the recycled PET resin being modified with the modifying agent, wherein a mole ratio between the oxazoline group and the epoxy group is within a range of 100:90 to 100:0.01, and an additive amount of the modifying agent is 0.001 to 15 parts by mass with respect to 100 parts by mass of the recycled PET resin.

Abstract: The present invention is directed to a method of making a graft copolymer, comprising the steps of: obtaining a first polymer comprising at least one carbon-carbon double bond, the first polymer derived from at least one monomer, the at least one monomer comprising a conjugated diene monomer; polymerizing a second monomer in the presence of a thiocarbonylthio RAFT chain transfer agent to form a polymer comprising a terminal thiocarbonylthio group; cleaving the terminal thiocarbonylthio group to a thiol group to form the second polymer comprising a terminal thiol group; reacting the second polymer with the first polymer to form a graft copolymer, the graft copolymer comprising a backbone derived from the first polymer and sidechains derived from the second polymer.

Abstract: A mixture which comprises a) from 5 to 95% by weight of a copolymer A which comprises one or more copolymer blocks (B/S)A each composed of from 65 to 95% by weight of vinylaromatic monomers and from 35 to 5% by weight of dienes and of a glass transition temperature TgA in the range from 40° to 90° C., b) from 95 to 5% by weight of a block copolymer B which comprises at least one hard block S composed of from 95 to 100% by weight of vinylaromatic monomers and of from 0 to 5 by weight of dienes, and comprises one or more copolymer blocks (B/S)A each composed of from 65 to 95% by weight of vinylaromatic monomers and of from 35 to 5% by weight of dienes and of a glass transition temperature TgA in the range from 40° to 90° C., and comprises one or more copolymer blocks (B/S)B each composed of from 20 to 60% by weight of vinylaromatic monomers and of from 80 to 40% by weight of dienes and of a glass transition temperature TgB in the range from ?70° to 0° C.

Abstract: The present invention relates to one of energy conversion devices, actuator and a dielectric layer used in the actuator. The present invention provides a polymer blend composition capable of easily controlling the ability of converting electrical energy to mechanical energy, which is prepared by blending a piezoelectric polymer with a flexible elastomeric block copolymer showing an effective miscibility therewith, and a tunable actuator using the same.

Abstract: A method for forming a rubber-modified polymeric composition includes polymerizing vinyl aromatic monomer within a mixture including the vinyl aromatic monomer and an interpolymer having at least one block of polyisoprene, at lest one block of polystyrene, and at lest one block of polybutadiene to thereby form the rubber-modified polymeric composition, where the interpolymer includes an internal block of polyisoprene.

Abstract: A polyurea compound obtainable by reacting one or more polyisocyanates with one or more non-chiral mono-amines (I) and one or more chiral mono-amines (II) and co-precipitating the reaction products to form the polyurea compound, wherein 2-98 mole % of the mono-amines in the polyurea compound are chiral mono-amines. The invention also relates to the use of said polyurea compound as a rheology modification agent, in particular as sag control agent (SCA) in coating compositions. The invention further relates to sag control agent compositions, coating compositions and coatings comprising the polyurea compound as sag control agent.

Abstract: Procedure for the manufacture of carboxylated ethylene polymer blends, in which in a 1st step, in a fluid mixing reactor, to 100 pbw of a particulate ethylene polymer—chosen from among ethylene homopolymers (HDPE, LDPE) and/or linear ethylene copolymers with 2 to ?20 wt.-% polymerized-in C3-12-olefin units (LLDPE, EOP), with a melt-flow rate MFR (190° C./2.16 kg)?20 g/10 min—are added 0.05-15 pbw of a ?,?-ethylenically unsaturated mono and/or dicarboxylic acid or its anhydride (carboxyl monomer), or a monomer mixture containing at least one carboxyl monomer and 0.01-10 pbw of a radical initiator or initiator mixture, and graft-polymerizing at reaction temperatures of 30-120° C., over a reaction time of 5-120 min and subsequently, in a 2nd step, reacting a mixture continuously fed into a reaction extruder of 100 pbw of the modified ethylene polymer obtained in the 1st solid phase step, 150-4,000 pbw of an ethylene polymer or polymer blend with a melt flow rate MFR (190° C., 2.

Abstract: The objective of the present invention is to provide a thermoplastic resin composition having an excellent balance of chemical resistance, heat resistance and impact resistance and a molded article comprising this thermoplastic resin composition. The present thermoplastic resin composition comprises a rubber-reinforced resin, an ethylene•(meth)acrylic acid ester•carbon monoxide copolymer, and polytetrafluoroethylene, and contents of ethylene•(meth)acrylic acid ester•carbon monoxide copolymer and polytetrafluoroethylene are respectively from 0.5 to 20 parts by weight and from 0.01 to 5 parts by weight, with respect to 100 parts by weight of the rubber-reinforced resin. A modified polyolefin resin may be contained.

Abstract: A process for producing a thermoplastic resin composition includes kneading a mixture obtained by combining a rubber component with a ground product, the ground product being formed by grinding a thermoplastic resin molded article having an alloy resin of a polycarbonate and an ABS, and then molding the mixture after kneading. The mixture has 0.5 wt % or more and 1.5 wt % or less of the rubber component based on 100 wt % of the mixture.

Abstract: There is provided a thermoplastic elastomer composition having excellent flexibility, mechanical properties, scratch resistance, abrasion resistance, and low-temperature characteristics. A crosslinked thermoplastic elastomer composition comprising 5 to 70 parts by mass of (C) a hydrogenated product of a block copolymer having at least one conjugated diene monomer unit block and at least one vinyl aromatic monomer unit block, and 20 to 150 parts by mass of (D) an olefin-based resin, based on 100 parts by mass of the total of (A) an ethylene-?-olefin copolymer comprising an ethylene unit and an ?-olefin unit having 3 to 20 carbon atoms, and (B) a copolymer having at least one hydrogenated copolymer block mainly composed of a conjugated diene monomer unit and a vinyl aromatic monomer unit, wherein a mass ratio ((A)/(B)) of the (A) component and the (B) component is from 20/80 to 75/25.

Abstract: The present invention provides a composition for a stretchable film, which achieves a high-level balance between a high elastic modulus and a small permanent elongation, which is excellent in adhesive force when laminated with a non-woven fabric or the like, and also has good formability.

Abstract: A thermosettable composition including (a) at least an amphophilic block copolymer, (b) at least a polyol, (c) at least an epoxy resin containing an average at least 2 oxirane rings per molecule, (d) at least an anhydride hardener containing an average at least 1 anhydride ring per molecule, and (e) at least a catalyst; and a thermoset product prepared from said thermosettable composition.

Abstract: Embodiments of the invention provide block composites comprising a soft copolymer, a hard polymer and a block copolymer having a soft segment and a hard segment, wherein the hard segment of the block copolymer is the same composition as the hard polymer in the block composite and the soft segment of the block copolymer is the same composition as the soft copolymer of the block composite and their use as impact modifiers.

Abstract: A method of improving the stress crack resistance of an impact modified styrenic polymer comprising (a) combining about 95 to about 99.5 wt. % of an impact modified styrenic polymer with about 0.5 to about 5 wt. % of a polymer solution comprising about 25 to about 75 wt. % polyisobutylene and about 25 to about 75 wt. % of a polyolefin comprising one or more C2 to C12 alpha olefins.

Abstract: A polylactic acid composition is provided having a polymer matrix and a compatibilizer. The polymer matrix includes polylactic acids and acrylonitrile-butadiene-styrene[s]. The compatibilizer is at least one compound selected from the group consisting of: a poly (styrene-ethylene-butadiene-styrene) copolymer grafted with maleic anhydrides, an acrylonitrile-butadiene-styrene copolymer grafted with maleic anhydrides, a polystyrene grafted with maleic anhydrides, and an ethylene-ethyl acrylate-glycidyl methacrylate.

Abstract: A high impact polystyrene (HIPS) is made from styrene monomer and 3 to 20 wt % of an elastomeric component phase including polybutadiene rubber and styrene butadiene copolymer. The HIPS has a 60 degree gloss of 90 or more, a Gardner drop of at least 10 in-lb, and an Izod impact strength of 1.8 ft-lb/in or more. The HIPS can have salami morphology with rubber particle size between 1 and 1.3 microns.

Abstract: A process or method for preparing a composition that includes a core of polytetrafluoroethylene and a styrene/acrylonitrile shell (or a core-shell polytetrafluoroethylene including styrene/acrylonitrile (SAN) powder) is provided. The process includes a polymerisation process or reaction and a flocculation process or reaction. The temperatures utilized, and/or the relative quantities and/or concentrations of the reagents, for the polymerisation process and flocculation process are specifically selected. The core-shell polytetrafluoroethylene-based powder produced is used as an additive for plastic/polymers, for instance styrene-based polymers. The core-shell polytetrafluoroethylene-based powder produced is associated with improved workability and enhanced mechanical characteristics.