Abstract: The present disclosure provides a thermoplastic resin composition having high rigidity and a low coefficient of linear thermal expansion and a molded article including the same. Specifically, the thermoplastic resin composition includes a first polypropylene resin having crystallinity of 50% to 80%, a second polypropylene resin having a coefficient of linear thermal expansion of 70 ?m/m·° C. to 90 ?m/m·° C., an elastomer, and an inorganic filler.

Abstract: An impact-resistant polystyrene resin includes a continuous phase and a plurality of particles dispersed in the continuous phase. The average particle size of the particles is about 0.1 to 4.0 ?m, and the average distance between the particles is about 0.3 to 5.0 ?m. The impact-resistant polystyrene resin is made from a polystyrene composition including a polystyrene plastic, a styrene block copolymer, a processing aid, and an antioxidant.

Abstract: The present invention provides a fiber for artificial hair and a hair decorating product having superior combing property. A fiber for artificial hair includes vinyl chloride based resin, vinyl based copolymer, and vinyl chloride based acrylic graft copolymer.

Abstract: In an embodiment, the present disclosure provides a composition composed of (A) a continuous phase composed of an olefin-based polymer, and (B) particles of a voiding agent dispersed in the continuous phase, the voiding agent composed of a functionalized styrene polymer having a glass transition temperature greater than or equal to 90° C. In another embodiment, the present disclosure provides an oriented article having (A) a continuous phase composed of an olefin-based polymer, and (B) particles of a voiding agent dispersed in the continuous phase. The voiding agent is composed of a functionalized styrene polymer having a glass transition temperature greater than or equal to 90° C. The oriented article includes (C) a plurality of elongated voids dispersed throughout the continuous phase. The oriented article has a density less than 0.9 g/cc.

Abstract: The present disclosure relates to a (meth)acrylate adhesive composition comprising a (meth)acrylated polymer, a crosslinking agent and a silane copolymer, wherein the silane copolymer comprises 70 to 95 weight parts of an acrylate monomer containing C1-C4 alkyl group and 5 to 30 weight parts of a silane represented by the following formula (I): X—R1—SiR23-a(OR3)a??(I) wherein the weight-average molecular weight of the silane copolymer is ranging from 40,000 to 150,000. The silane copolymer can enhance the initial adhesion strength, rework ability and weather resistance of the (meth)acrylate adhesive composition. Furthermore, the (meth)acrylate adhesive composition can be used in the flexible optical film with a good bending restoring property and adhesion.

Abstract: The embodiments relate to a polyamide-based film excellent in optical properties, mechanical properties, and processing suitability and to a cover window and a display device comprising the same. The polyamide-based film comprises a polyamide-base polymer, wherein a dipolar solvent compatibility represented by the following equation is 18.5 to 24: Dipolar solvent compatibility=?{square root over ((?d??1d)2+(?p??1p)2)}. In the equation, ?d is a value of a dispersible component in surface energy of the polyamide-based film, ?p is a value of a polar component in surface energy of the polyamide-based film, ?1d is a value of a dispersible component in Hansen solubility parameter of the dipolar solvent, and ?1p a value of a dipolar component in Hansen solubility parameter of the dipolar solvent.

Abstract: Disclosed are particulate polyvinyl alcohol-based compositions for use in manufacturing chemical materials and in other industrial operations, and for treatments applied to a subterranean formation traversed by the borehole of an oil or gas well, which compositions are prepared by granulating polyvinyl alcohol polymers, and admixing the granules so produced with powder and/or crushing the granules to a specified particle size distribution.

Abstract: Quaternary ammonium tribromides and quaternary phosphonium tribromides are recovered from an organic solvent by washing with an aqueous hydrazine solution. The hydrazine reacts to form nitrogen, hydrobromic acid and a quaternary ammonium or quaternary phosphonium monobromide. The hydrobromic acid and quaternary ammonium or quaternary phosphonium migrate to the aqueous phase, thereby effecting the removal of the tribromides from the organic solvent. The hydrobromic acid can be neutralized with a quaternary ammonium or quaternary phosphonium hydroxide to produce a quaternary ammonium or quaternary phosphonium monobromide. The monobromides produced can be reacted with elemental bromine to regenerate a tribromide brominating agent.

Abstract: A polymeric substrate is disclosed. The polymeric substrate comprises a barrier layer including a polymeric material comprising about 50 wt. % or more of at least one polyolefin polymer and 50 wt. % or less of a hydrocarbon resin. The polymeric material exhibits a DTUL of 30° C. or more and a tensile modulus of 500 MPa or more and/or a flexural secant modulus of 500 MPa or more. The barrier layer has a thickness of greater than 200 ?m to 6,500 ?m. A shaped polymeric article comprising the polymeric substrate is also disclosed.

Abstract: A polymer composition including 60-80 wt % of a recycled polypropylene; 10-35 wt % of a recycled polyethylene; 5-20 wt % of a polyolefin elastomer (POE); 0.1-10 wt % styrene ethylene butylene styrene block copolymer (SEBS); wherein the wt % is relative to the total weight of the polymer composition; wherein the polymer composition includes at least 11 wt % of polyolefin elastomer and styrene ethylene butylene styrene block copolymer.

Abstract: A method for producing a composite resin particle dispersion includes: performing polymerization A by polymerizing a styrene compound and a vinyl monomer other than the styrene compound to form a styrene-based resin; performing polymerization B by polymerizing a (meth)acrylic acid ester compound in the presence of the styrene-based resin to form intermediate resin particles containing the styrene-based resin and a (meth)acrylic acid ester-based resin; and performing polymerization C by polymerizing a styrene compound and a vinyl monomer other than the styrene compound in the presence of the intermediate resin particles to form composite resin particles. The mass ratio of the styrene-based resin to the (meth)acrylic acid ester-based resin in the composite resin particles is from 80:20 to 20:80. A difference between the lowest glass transition temperature and the highest glass transition temperature in the composite resin particles is 30° C. or more.

Abstract: Provided is an ethylene-based modifier with which a film having good slipperiness and relatively less fish eyes can be formed. The ethylene-based modifier has a strain-hardening exponent of 0.27 or more and 0.53 or less as determined by the LAOS method.

Abstract: Adhesive compositions are disclosed comprising acrylic copolymers formed from a monomer mixture comprising, based on the total weight of monomers in the monomer mixture, from 59 to 97.9 weight percent 2-ethylhexyl acrylate, from 0.1 to 10 weight percent styrene, from 0 to 25 weight percent methyl methacrylate, and from 2 to 30 weight percent ethyl acrylate, wherein the ratio of ethyl acrylate to styrene (by weight) is greater than 4.5 to 1. Methods for preparing adhesive compositions are disclosed comprising feeding an aqueous initial charge to a reactor, heating the aqueous initial charge to from about 30 to 110° C., gradually feeding a monomer mixture into the reactor over a period of time (less than 3 hours), in the presence of a free-radical polymerization initiator, thereby forming the acrylic adhesive composition, wherein the amount of free monomer in the reactor does not exceed 17 percent by weight, based on the total weight of the reactor contents, during gradual feeding.

Abstract: The invention relates to a polymer blend comprising 15 to 70 Wt. % of polyvinyl alcohol (PVOH) and/or of a PVOH copolymer as well as 30 to 85 Wt. % of a further polymer, to a method for preparing a polymer blend, to the use of a polymer blend for producing a packaging material and to a packaging material. The packaging material obtained from the polymer blend is characterized in particular by a low gas permeability and can be produced by means of cost-effective methods.

Abstract: Compositions comprising post-consumer recycled (PCR) waste are described. The PCR is combined with at least one virgin resin and a propylene-based compatibilizer that enhances the blend between the PCR and virgin resin as well as improving one or more physical properties of the composition. The propylene-based compatibilizer is a reactor made thermoplastic polyolefin or a heterophasic copolymer with a semi-crystalline matrix and a rubber component. This allows for the selection of a compatibilizer that can shift the composition's physical properties based on the end use application, and provide a stronger, miscible blend.

Abstract: A communication cable includes 51 to 85 parts by mass of a polyolefin resin, 15 to 49 parts by mass of a flexible resin, 10 to 80 parts by mass of a halogenated flame retardant per 100 parts by mass of a total of the polyolefin resin and the flexible resin, and at least one of titanium oxide or metal hydroxide, the resin composition having a permittivity of 2.5 to 3.5.

Abstract: Provided is a thermoplastic elastomer composition obtained by melt-kneading (A) an ethylene/?-olefin/non-conjugated polyene copolymer rubber that is a copolymer of ethylene, an ?-olefin having 3 to 20 carbon atoms and a non-conjugated polyene, (B) a polyolefin resin and (C) a mineral oil-based softening agent in the presence of (D) a crosslinking agent, at least part of the ethylene/?-olefin/non-conjugated polyene copolymer rubber (A) being crosslinked, the thermoplastic elastomer composition having a sea-island structure in which the ethylene/?-olefin/non-conjugated polyene copolymer rubber (A) is dispersed as a dispersed phase (island phase) in a continuous phase (sea phase) of the polyolefin resin (B), and when a cross-section of the composition is observed with an atomic force microscope (AFM), a ratio of (b) a local elastic modulus of the continuous phase to (a) a local elastic modulus of the dispersed phase being from 10 to 30.

Abstract: A recycled resin composition with significantly improved stress crack resistance and impact properties with minimal loss of stiffness. The recycled resin composition is a blend of at least one recycled resin (PCR and/or PIR), at least one virgin high density polyethylene and at least one virgin metallocene catalyzed linear low density polyethylene. The recycled resin composition can have a flex modulus @0.05 in/min of 110,000 psi to 180,000 psi, as measured by ASTM D790, Proc. A 1% Secant Modulus; and/or an ESCR, as measured by 100% Igepal Cond B, ASTM D1693, of about 10 hr to about 75 hr.

Abstract: The present invention relates to a microfluidic flow process for making polymers, polymers made by such processes, and methods of using such polymers. In such process, a novel reagent delivery setup is used in conjunction with microfluidic reaction technology to synthesize anionic polymerization reaction products from superheated monomer orders of magnitude faster than is possible in batch and continuous syntheses. The aforementioned process does not require the cryogenic temperatures which are required for such syntheses in batch or bulk continuous. Thus the aforementioned process is more economically efficient and reduces the environmental impact of linear polymer production.

Abstract: Heterophasic polypropylene copolymer compositions and methods of making the same include a matrix phase of a random polypropylene-based copolymer; and an elastomeric rubber phase dispersed in the matrix phase, wherein the elastomeric rubber phase includes propylene and one or more comonomers and has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer, that ranges from 0.3 to 1.1; and wherein an average particle size of the dispersed elastomeric rubber phase is less than 300 nm. Methods include dispersing an elastomeric rubber phase that includes propylene and one or more comonomers into a matrix phase of a random polypropylene-based copolymer, wherein the elastomeric rubber phase has a viscosity index ratio, relative to a viscosity index of the random polypropylene-based copolymer that ranges from 0.3 to 1.1.