Abstract: An uncoated, highly reflective, impact-resistant injection-molded article which comprises a rubber ingredient (A) and a thermoplastic resin (B), characterized in that (1) the rubber ingredient (A) has been dispersed in the thermoplastic resin (B), (2) the rubber ingredient (A) has a coefficient of linear expansion of 12.5×10?5 to 19×10?5/° C., (3) the surface of the injection-molded article has a reflected-image clarity of 60-100%, and (4) the injection-molded article has a notched Charpy impact strength of 5-60 kJ/m2.

Abstract: A impact resistant polycarbonate composition comprises an elastomer-modified graft copolymer prepared by an emulsion process in which a composition comprising the elastomer-modified graft copolymer is subjected to treatment with acid to adjust the pH to about 3.0 to about 6.8, following by coagulation of the elastomer-modified graft copolymer and admixture with an aromatic polycarbonate.

Abstract: A polycarbonate composition comprises an elastomer-modified graft copolymer prepared by an emulsion polymerization process in which an elastomer phase is polymerized or copolymerized in the presence of an electrolyte to obtain latex particles that is then grafted with a monomer mixture comprising a monovinylaromatic monomer.

Abstract: A highly branched polyolefin having olefin derived units; wherein the highly branched polyolefin has: (i) a branching index, g?(vis), of less than about 0.9; (ii) a phase angle, ?, of less than about 55 degrees at a complex modulus of 10 kPa, measured at 190° C.; (iii) a gel content of less than or equal to about 10%; and (iv) a melting point of less than about 135° C.; wherein the highly branched polyolefin is obtained by contacting one or more polyolefins with a free radical generator. The highly branched polyolefin may also comprise a modifying polymer, wherein the modifying polymer may be the similar or dissimilar to the polyolefin. Methods of producing these highly branched polyolefins and blends of these highly branched polyolefins are also disclosed.

Abstract: A composition comprising a blend of: a) one or more polycarbonates; b) one or more polyesters; c) one or more core shell rubbers having glycidyl groups on the surface of the core; and d) one or more halogenated fire retardant agent; wherein the polycarbonates and polyesters form separate phases and the core shell rubber is located in the polyester phase. The compositions may further comprise a fluoropolymer capable of functioning as an anti-drip agent. The compositions exhibit a flame retardant rating according to UL-94 at V-0 of 3.0 mm or less; a notched Izod impact strength of about 8 foot pounds per inch or greater (0.90 joules) and chemical resistance to one or more of the common cleaning compositions selected from bleach, polyethylene glycol, a mixture of aryl substituted phenols and aryl substituted chlorophenols, a mixture of an alkanol and a monoalkyl ether of ethylene glycol, and one or more ammonium chlorides.

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: The present application relates to an olefin-based ionomer resin composition, to an encapsulant, and to an optoelectronic device. The resin composition according to the present application may be used as an encapsulant for a variety of optoelectronic devices, and may exhibit superior adhesion to the substrates of the optoelectronic devices. In addition, according to the present application, an olefin-based ionomer resin composition, which can provide good workability and economic advantages in the manufacture of devices without negatively affecting components such as encapsulated optoelectronic elements or the wired electrodes of optoelectronic devices, may be provided.

Abstract: Disclosed is a thermoplastic elastomer composition comprising (i) about 10-60 wt % of at least one aliphatic polyamide; (ii) about 0.8-15 wt % of at least one graft-modified ethylene-olefin elastomeric copolymer; (iii) about 0.8-15 wt % of at least one graft-modified ethylene-propylene elastomeric copolymer, and (iv) about 35-85 wt % of at least one polyether-ester-amide block copolymer having a shore D of about 50-60 (as measured in accordance with ASTM D2240), with the total wt % of all components in the composition totaling to 100 wt %. Further disclosed herein is an article made from the thermoplastic elastomer composition disclosed above.

Abstract: Disclosed are an acrylic resin film maintaining a gloss and having good transparency, processing properties, and impact resistance after thermal molding, and a method for manufacturing same. The acrylic resin film according to the present invention includes 10 to 70 parts by weight of an acrylic resin having high fluidity, 10 to 70 parts by weight of an acrylic resin having high hardness, and 5 to 20 parts by weight of an acrylic impact reinforcing material based on 100 parts by weight of the total weight.

Abstract: A method of preparing a polyester/polyolefin hot-melt adhesive for use in a solar cell bus bar is disclosed, in which 2,6-naphthalenedicarboxylic acid and ethylene glycol are first sequentially subjected in a predetermined ratio to esterification and polycondensation in the presence of a certain amount of a titanium-based catalyst to result in a polyethylene naphthalate (PNT) with a weight-average molecular weight of 16,000˜20,000. The PNT is then melt-blended with a low-density polyethylene (LDPE) in the presence of a compatibilizer to produce the hot-melt adhesive that can be shaped into films having a high light transmittance, good mechanical properties, high heat and yellowing resistance and thus particularly suitable for use in solar cell bus bars.

Abstract: A hydrogel material for use in three-dimensional scaffold printing is disclosed. The material is formed from a first triblock polymer having a formula ABA and a second triblock polymer having a formula AmaBAma, wherein A is a first polymer, B is a second polymer, and Ama is a methacrylate of the first polymer. The material is thermosensitive and photocrosslinkable. A method of manufacturing the material is also disclosed.

Abstract: A thermoplastic composition suitable for making articles having low gloss and good impact properties is disclosed. The composition contains (A) 20 to 94.5 percent relative to the weight of the composition (pbw) of an aromatic (co)poly(ester)carbonate, (B) 5 to 40 pbw of a graft (co)polymer that includes an EPDM graft base and a grafted phase that is compatible with the aromatic (co)poly(ester)carbonate, and (C) 0.5 to 20 pbw of a linear copolymer containing at least one unit derived from a glycidyl ester monomer, and (D) 0 to 40 pbw of a vinyl copolymer. The gloss of the composition is lower than that of a corresponding composition that contains none of component (C).

Abstract: Disclosed are self-assembling block copolymers including diblock copolymers of the formula (I): wherein R1 is —(CHR—CH2—O)p—R?, p=2-6, R is H or methyl, and R? is H, a C1-C6 alkyl or C3-C11 cycloalkyl, R2 is C6-C20 aryl or heteroaryl, one of R3 and R4 is C6-C14 aryl and the other is C1-C22 alkoxy, and n and m are independently 2 to about 2000, which find use in preparing self-assembled structures and porous membranes. Embodiments of the self-assembled structures contain the block copolymer in a cylindrical morphology. Also disclosed is a method of preparing such copolymers.

Abstract: The present invention includes novel ether-ketone hyperbranched polymers that are prepared from polymerizing trimesic acid and bifunctional phenylether-based liquid or low-melting monomers, which melt at or below polymerization temperature. The resulting copolymer has repeating units of the formula: wherein m is the degree of polymerization; n has a value of 0-5; the ratio x:y corresponds to the molar ratio of trimesic acid and arylether monomer and may range from 1.0:1.0 to 1.0:1.5 (i.e. x=1, y=1.0, 1.1, 1.2 . . . 1.5); and the substitution pattern of the arylether segment may be para or meta. The endgroups may be carboxylic acid (—CO2H), oxyphenyl (—OPh), or mixture of both moieties, depending on the reaction ratio x:y used. The total number of endgroups is typically defined by m+1.

Abstract: The disclosure relates to blended thermoplastic compositions, and in one aspect to blended thermoplastic compositions comprising a polycarbonate polymer and a high rubber graft acrylonitrile-butadiene-styrene polymer blend, a styrene-acrylonitrile copolymer, and a laser direct structuring additive. These blended thermoplastic compositions are capable of being used in a laser direct structuring process. The present invention also relates to methods of manufacturing these compositions and articles that include these compositions.

Abstract: The invention provides a process for grafting silane or silicone functionality onto a polyolefin, comprising reacting the polyolefin with an unsaturated monomer (A) containing an olefinic —C?C— bond or acetylenic —C?C— bond and a reactive functional group X in the presence of means capable of generating free radical sites in the polyolefin and with an organosilicon compound (B) having a functional group Y which is reactive with the functional group X of the unsaturated monomer (A), characterized in that the unsaturated monomer (A) contains an aromatic ring or a further olefinic double bond or acetylenic unsaturation, the aromatic ring or the further olefinic double bond or acetylenic unsaturation being conjugated with the olefinic —C?C— or acetylenic —C?C— unsaturation of the unsaturated monomer (A).

Abstract: Provided is a copolymer of a conjugated diene compound and a non-conjugated olefin, the copolymer being a block copolymer, the conjugated diene compound unit having 1,2 adduct (including 3,4 adduct) content of 5% or less or the conjugated diene compound unit having a cis-1,4 bond content of more than 92%, in which preferred examples of the conjugated diene compound include 1,3-butadiene and isoprene, and preferred examples of the non-conjugated olefin include ethylene, propylene, and 1-butene.

Abstract: The present invention provides block copolymers comprising at least one covalent polymer block and at least one supramolecular polymer block, processes for their preparations and uses thereof.

Abstract: There is provided a pressure-sensitive adhesive composition for optical films, which is excellent in heat resistance, weathering resistance and bleed resistance, which has an excellent balance of pressure-sensitive adhesion properties, such as adhesive strength, cohesive force and tack, the tack of which can be controlled, which is excellent in initial reworkability when it is used for applying an optical film to an adherend or applying a protective film to an optical film, and which further exhibits excellent adhesive durability by virtue of rise of adhesive strength when such a film as above in the applied state is kept over a long period of time after application or especially when the film in the applied state is exposed to high temperatures or moist heat.

Abstract: Disclosed are self-assembling block copolymers including diblock copolymers of the formula (I): wherein R1 is —(CHR—CH2—O)p—R?, p=2-6, R is H or methyl, and R? is H, C1-C6 alkyl, or C3-C11 cycloalkyl, R2 is C1-C22 alkyl or C3-C11 cycloalkyl, one of R3 and R4 is C6-C14 aryl and the other is C1-C22 alkoxy, n and m are independently 2 to about 2000, and 0<x?n and 0<y?m, which find use in preparing self-assembled structure and porous membranes. Embodiments of the self-assembled structure contain the block copolymer in a cylindrical morphology. Also disclosed is a method of preparing such copolymers.