Abstract: Embodiments of the present disclosure are directed to thermoplastic elastomer articles comprising a crosslinked reaction product of styrene block copolymer and silane. The styrene block copolymer comprises at least one terminal polymer block A. The at least one terminal polymer block A comprises a vinyl compound having para-alkylstyrene. The styrene block copolymer is silane grafted and silane crosslinked.

Abstract: Embodiments of the present disclosure are directed to articles comprising a crosslinked reaction product of ethyl-ene-based polymer, polyolefin; silane crosslinker; and 1 to 5 weight percent (wt %) of a metallic stearate catalyst. The ethylene-based polymer is silane grafted. The grafted silane enables at least one intramolecular silane crosslinking of the ethylene-based polymer and intermolecular silane crosslinking of the ethylene-based polymer and the polyolefin.

Abstract: Embodiments of the present disclosure are directed to thermoplastic elastomer articles comprising a crosslinked reaction product of styrene block copolymer, rubber, and silane. The styrene block copolymer comprises at least one terminal polymer block A. The at least one terminal polymer block A comprises a vinyl compound having para-alkyl styrene. The rubber comprises at least one of ethylene propylene diene rubber, silicone rubber, and nitrile butadiene rubber. The styrene block copolymer and the rubber are silane grafted and silane crosslinked. The silane crosslinking is at least one of intramolecular silane crosslinking and intermolecular silane crosslinking.

Abstract: Thermoplastic articles are molded from thermoplastic polyurethane compounds including blends of aliphatic polycaprolactone thermoplastic polyurethane and aromatic thermoplastic polyurethane selected from aromatic polyester thermoplastic polyurethane, aromatic polyether thermoplastic polyurethane, and combinations thereof. The thermoplastic articles exhibit enhanced stain resistance, as represented by achieving a rating of 2 or better according to Blue Jean Abrasion Test, relative to thermoplastic articles molded from thermoplastic polyurethane compounds including either aromatic polyester thermoplastic polyurethane or aromatic polyether thermoplastic only, while also having good clarity (i.e., low haze) and other desirable properties. The thermoplastic articles can be especially useful as protective cases for handheld electronic devices.

Abstract: A composition includes a thermoplastic polymer, a plasticizer, and about 0.2 wt % to about 19 wt % of a low melting polymer, based on a total weight of the composition. The low melting polymer has a melting point less than about 120° C. The resulting composition requires a lower temperature to full cure, while still maintaining long-term storage stability.

Abstract: An adhesive composition includes, based on a total weight of the adhesive composition, 18 wt % to 30 wt % of a styrene-ethylene/butylene-styrene triblock copolymer, 6 wt % to 30 wt % of a tackifier, 30 wt % to 50 wt % of a white mineral oil, and 5 wt % to 35 wt % of an incompatible polymer composition. The styrene-ethylene/butylene-styrene triblock copolymer has a weight average molecular weight of 90,000 g/mol to 140,000 g/mol. The tackifier has a weight average molecular weight of 500 g/mol to 5000 g/mol, a glass transition temperature of 50° C. to 100° C., and a softening temperature of 100° C. to 140° C. The incompatible polymer composition includes at least two of a high density polyethylene, a crosslinked ethylene-propylene-diene rubber, and an olefin block copolymer.

Abstract: Embodiments of the present disclosure are directed to thermoset articles including a crosslinked reaction product of thermoplastic polyolefin, at least one of ethylene alpha-olefin polyolefin elastomer and ethylene propylene diene rubber, nitrile butadiene rubber, and silane. At least one of the thermoplastic polyolefin, the at least one of the ethylene alpha-olefin polyolefin elastomer and the ethylene propylene diene rubber, and the nitrile butadiene rubber is silane grafted and silane crosslinked. The silane crosslinking is at least one of intramolecular silane crosslinking and intermolecular silane crosslinking.

Abstract: Embodiments of the present disclosure are directed to thermoplastic elastomer articles including a crosslinked reaction product of polar elastomer, rubber, and silane. The rubber comprises at least one of nitrile butadiene rubber, silicone rubber, ethylene alpha-olefin polyolefin elastomer, and ethylene propylene diene rubber. The rubber is silane grafted and silane crosslinked. The silane crosslinking is at least one of intramolecular silane crosslinking and intermolecular silane crosslinking.

Abstract: Embodiments of the present disclosure are directed to thermoset articles including a crosslinked reaction product of thermoplastic polyolefin, at least one of ethylene alpha-olefin polyolefin elastomer and ethylene propylene diene rubber, silicone rubber, and silane. The silicone rubber has at least one vinyl functional group. At least one of the thermoplastic polyolefin, the at least one of the ethylene alpha-olefin polyolefin elastomer and the ethylene propylene diene rubber, and the silicone rubber is silane grafted and silane crosslinked. The silane crosslinking is at least one of intramolecular silane crosslinking and intermolecular silane crosslinking.

Abstract: Embodiments of the present disclosure are directed to polymer blends comprising 20 wt % to 45 wt % of polyvinyl butyral (PVB), wherein the PVB comprises virgin PVB, recycled PVB, or combinations thereof; 1 wt % to 35 wt % of styrene block copolymer (SBC); and 5 wt % to 40 wt % of compatibilizer, the compatibilizer comprising a polar copolymer.

Abstract: Embodiments of the present disclosure are directed to electronic devices comprising a housing comprising a polymer blend. The polymer blend comprises at least one of an aromatic polyether thermoplastic polyurethane and a copolyester elastomer, and a dielectric constant modifier comprising at least one of a polyolefin and a block copolymer comprising at least one polyolefin block. The electronic devices receive signals greater than or equal to 2.5 Gigahertz.

Abstract: A thermoplastic elastomer (TPE) is disclosed which is flame retardant and essentially halogen-free.

Abstract: Thermoplastic elastomer compounds include (a) hydrogenated styrene-farnesene-styrene block copolymer, (b) thermoplastic polyester elastomer having a bio-based content of at least about 45%, (c) polyolefin having a bio-based content of at least about 95%, (d) secondary styrenic block copolymer such as styrene-ethylene/butylene-styrene block copolymer, and (e) plasticizer. The thermoplastic elastomer compounds have a bio-based content of at least about 40%. Additionally, the thermoplastic elastomer compounds have an adhesion of at least about 10 pli according to a 90° Peel Test on at least one of acrylonitrile butadiene styrene, polycarbonate/acrylonitrile butadiene styrene, and polycarbonate. The thermoplastic elastomer compounds can be especially useful for making overmolded thermoplastic articles.

Abstract: Polymer blends include thermoplastic elastomer, recycled plasticizer oil having a viscosity greater than or equal to 20.5 mm2/s at 40° C. and recycled glass beads.

Abstract: Surface structure modification is achieved for an acrylate block copolymer thermoplastic elastomer by the addition of an organo-functional polydimethyl siloxane but also without loss of clarity.

Abstract: Post-consumer recycled polyethylene terephthalate (PCR-PET) flake is treated with chelant to reduce discoloration and generation of non-intentionally added substances (NIAS) upon melt-processing for use in making thermoplastic articles from the PCR-PET flake.

Abstract: Thermoplastic compounds in the form of a pellet include thermoplastic resin and conductive fibers. The conductive fibers are enveloped by the thermoplastic resin and distributed within the pellet such that each of at least a portion of the conductive fibers is substantially surrounded by the thermoplastic resin and thereby substantially separated from physical contact with any other of the conductive fibers. Additionally, at least a portion of the conductive fibers includes long fibers. The thermoplastic compound, when molded at a thickness of about 3.2 mm, has an electromagnetic shielding effectiveness across a range of frequencies from about 0.5 GHz to about 2.0 GHz of at least about 60 dB according to ASTM D4935, which makes the thermoplastic compound useful for molding thermoplastic articles for shielding against electromagnetic interference.

Abstract: Embodiments of the present disclosure are directed to polymer blends comprising thermoplastic elastomer and 4 wt % to 50 wt % of cross-linked silane grafted polyolefin. The thermoplastic elastomer comprises a Shore A hardness from 0 to 80 as measured in accordance with ASTM D2240 and a compression set greater than or equal to 80% as measured in accordance with ASTM D395 at 125 C. The cross-linked silane grafted polyolefin comprises a compression set less than or equal to 70% as measured in accordance with ASTM D395 at 125 C.

Abstract: Embodiments of the present disclosure are directed to polymer blends comprising greater than or equal to 55 wt % and less than or equal to 90 wt % of an aliphatic polyketone; and greater than or equal to 10 wt % and less than or equal to 40 wt % of an acrylonitrile butadiene styrene (ABS), wherein the aliphatic polyketone has a melt flow rate greater than or equal to 1 g/10 min and less than or equal to 90 g/10 min as measured in accordance with ASTM D1238 at 240° C. and a weight of 2.16 kg.

Abstract: Embodiments of the present disclosure are directed to polymer blends comprising greater than or equal to 45 wt % and less than or equal to 90 wt % of an aliphatic polyketone; greater than or equal to 7.5 wt % and less than or equal to 40 wt % of an acrylonitrile butadiene styrene (ABS); and greater than 0 wt % and less than or equal to 25 wt % of a flame retardant.