The invention relates to a thermoplastic elastomer composition comprising a mixture of a. 5-50 wt. % of a block copolymer type thermoplastic polyurethane elastomer (TPE-U) b. 5-50 of a block copolymer type thermoplastic co-polyester elastomer (TPE-C), and c. 10-60 wt. % of a thermoplastic styrenic block copolymer (TPE-S), wherein the wt. % is based on the total content of the elastomer composition. The elastomer composition might be efficiently connected with polar polymers so that corresponding polymer articles are formed.

Provided is a thermoplastic elastomer composition capable of producing a molded article having a good appearance such as surface smoothness and excellent bondability to another member, the thermoplastic elastomer composition comprising: an ethylene-based polymer (A); and a propylene-based polymer (B), wherein a melt viscosity of the thermoplastic elastomer composition measured at a temperature of 220° C. and a shear rate of 12 sec.sup.−1 is 2,500 Pa.Math.sec or less; the thermoplastic elastomer composition has a sea-island structure; and an island portion has a volume average particle diameter of 2.1 μm or more and a particle diameter dispersion D of 7.0 or less.

The disclosure provides embodiments of environmentally acceptable fishing lines or fishing nets. Embodiments of the disclosed fishing line or net may comprise a degradable polymer having components derived from i) biomass sources, ii) protein, fatty acid or lipid sources, iii) microbial-based monomers and polymers, iv) agro-based monomers and polymers, v) sugar or starch based monomers and polymers, or combinations thereof, as well as fishing lines and nets that further comprise an additive having components derived from i) polyol sources, ii) citrate sources, iii) fatty acid sources, iv) biomass oil sources, or combinations thereof. Some of the embodiments of the disclosed fishing lines or nets may have a suitable fiber core, while other embodiments of the disclosed fishing lines or nets are degradable over a predetermined period of time. The disclosed embodiments are preferred because of the low environmental impact of the disclosed fishing lines or nets.

The present disclosure relates to TPV compositions suitable for foaming, as well as foamed TPV compositions, methods of making the foregoing, and applications of various foamed TPV compositions, including in glass run channels. The TPV compositions comprise an at least partially vulcanized rubber component dispersed within a thermoplastic component comprising a first thermoplastic resin. According to some aspects, the TPV composition may be combined with a high melt-strength thermoplastic resin, and in particular a high melt-strength polypropylene-based thermoplastic resin, to make a foamable TPV composition. The foamable TPV composition (with or without high melt-strength thermoplastic resin) is then coextruded or otherwise combined with foaming agent (preferably comprising thermo-expandable microspheres) to form the foamed composition. Foamed compositions according to various aspects are suitable for use in glass run channels for automobiles, and in particular in the base and/or sidewall portions of such glass run channels.

A thermally conductive elastomer composition of the present invention contains: 100 parts by mass of a styrene-based elastomer; from 610 to 750 parts by mass of a process oil formed of a petroleum-based hydrocarbon, the a process oil having a weight average molecular weight of not greater than 600; from 25 to 40 parts by mass of a solid nonionic surfactant having an HLB value of 2.0 or greater; from 260 to 640 parts by mass of aluminum hydroxide powder; and from 250 to 340 parts by mass of artificial graphite powder.

Compositions may include a polymer composition prepared from an ethylene vinyl acetate copolymer, a rubber, and a plasticizer. Compositions may further comprise other components, such as a curing agent and a blowing agent. Articles may include a polymer composition prepared from an ethylene vinyl acetate copolymer, a rubber, and a plasticizer. Methods may include mixing an ethylene vinyl acetate copolymer, a rubber, and a plasticizer; and extruding the mixture thereof.

The present invention is directed to a pneumatic tire comprising a vulcanizable rubber composition, the vulcanization rubber composition comprising: 1) 100 parts by weight of elastomer consisting of 25 to 35 phr of a styrene-butadiene rubber, 25 to 35 phr of a polybutadiene, and 35 to 45 phr of a natural rubber or synthetic polyisoprene, wherein the styrene-butadiene rubber is a functionalized solution polymerized styrene-butadiene elastomer having a glass transition temperature Tg(A) ranging from −30 to −10° C. and having at least one functional group; the natural rubber or synthetic polyisoprene has a Tg(B) ranging from −60 to −70° C.; and the polybutadiene is a cis 1,4 polybutadiene having a Tg(C) ranging from −110 to −90° C., wherein Tg(A)−Tg(B)≥25° C., and Tg(B)−Tg(C)≥25° C.; 2) 60 to 80 phr of a prehydrophobated silica; 3) 1 to 10 phr of carbon black; 4) 1 to 3 phr of rubber processing oil; and 5) 5 to 25 phr of at least one hydrocarbon resin having a Tg≥20° C., wherein the weight ratio of hydrocarbon resin to rubber processing oil is greater than 8.

A tackifier to modify the Tan Delta of midblock segments of a hydrogenated styrenic block copolymer in a thermoplastic elastomer compounds aids in rendering the HSBC TPE more effective as an overmolding compound having a low percentage compression set value when measured at the high temperature compression set standard. The HSBC TPE can overmold effectively upon polar polymeric substrates depending on the bonding agent chosen.

The disclosure provides embodiments of environmentally acceptable fishing lines or fishing nets. Embodiments of the disclosed fishing line or net may comprise a degradable polymer having components derived from i) biomass sources, ii) protein, fatty acid or lipid sources, iii) microbial-based monomers and polymers, iv) agro-based monomers and polymers, v) sugar or starch based monomers and polymers, or combinations thereof, as well as fishing lines and net that further comprise an additive having components derived from i) polyol sources, ii) citrate sources, iii) fatty acid sources, iv) biomass oil sources, or combinations thereof. Some of the embodiments of the disclosed fishing lines or nets may have a suitable fiber core, while other embodiments of the disclosed fishing lines or nets are degradable over a predetermined period of time. The disclosed embodiments are preferred because of the low environmental impact of the disclosed fishing lines or nets when compared to, for example, well known synthetic polymer fishing lines or nets.

Disclosed herein is a composition comprising from 5 to 20 parts by weight per hundred parts by weight rubber (phr) of a propylene-α-olefin-diene (PEDM) terpolymer comprising 1 to 10 wt % diene, 5 to 40 wt % α-olefin, and 15 to 85 wt % propylene, said wt % based on the weight of the PEDM terpolymer; and from 80 to 95 phr of an ethylene-based copolymer comprising ethylene, one or more C.sub.3 to C.sub.12 α-olefins, and, optionally, one or more dienes; wherein the amount of ethylene content of the ethylene-based copolymer (in wt % on the basis of total weight of the ethylene-based copolymer) is greater than the amount of α-olefin content of the PEDM terpolymer (in wt % on the basis of total weight of the PEDM terpolymer).