Disclosed is a composition comprising a polycarbonate or engineering resin and a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 10 weight percent, and a crosslinker in an amount of 0.1 to 10 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker in moles is less than the effective amount of chain transfer agent in moles, and articles thereof.

A polycarbonate resin composition having light-guiding performance, characterized by including, per 100 parts by weight of (A) a polycarbonate resin (component A), 0.005 to 0.2 parts by weight of (B) a thioether-based compound (component B). This resin composition is characterized by excellent light-guiding properties with less yellowing during molding and less degradation in a moist heat environment.

A stretchable electroconductive material includes 100 parts by weight of PEDOT-PSS, 200 parts to 1000 parts by weight of a repair linking agent, 15 parts to 300 parts by weight of an ionic liquid plasticizer, and 15 parts to 200 parts by weight of carbon material particles. The repair linking agent is selected from a group consisting of polyethylene glycol and polyethylene oxide, and any combination thereof. The repair linking agent, the ionic liquid plasticizer, and the carbon material particles are doped in the PEDOT-PSS. A method for manufacturing the stretchable electroconductive material and a device using the stretchable electroconductive material are also provided.

A shaped article comprising a polymer-based resin derived from cellulose, wherein the polymer-based resin has an HDT of at least 95° C., a bio-derived content of at least 20 wt %, a notched izod impact strength of greater than 80 J/m and at least one of the following properties chosen from: flexural modulus of greater than 1900 MPa; a spiral flow length or at least 3.0 cm; a flex creep deflection of less than 12 mm; a transmission of at least 70%; a ΔE value of less than 25; or an L* color of at least 85.

This disclosure relates to wear-resistant rubber compositions, such as those, for example, comprising at least one hydroxy-terminated polybutadiene, at least one natural rubber, at least one polymerization accelerant; at least one sulfur; and at least one polybutadiene, wherein the wear-resistant rubber composition may have an effective cross-linking density of at least about 30×10.sup.−5 moles/cm.sup.3.

A resin composition comprises, based on 100% by weight of the resin composition: 45-70 wt % of a main resin, 20-45 wt % of a chopped glass fiber, 1-3 wt % of a toughening resin, 0.2-0.5 wt % of an unmodified glycidyl methacrylate, and 0-10 wt % of an auxiliaries. The main resin is selected from at least one of PBT resin and PPS resin. The chopped glass fiber has a dielectric constant of 4.0 to 4.4 at 1 MHz.

A polymer composition includes: (a) a propylene-based polymer having a melt mass-flow rate of ≥5.0 and ≤90.0 g/10 min; and (b) ≥5.0 and ≤30.0 wt %, with regard to the total weight of the polymer composition, of an ethylene-based polymer having: a melt mass-flow rate of 3.0 and ≤30.0 g/10 min; a density of ≥840 and ≤870 kg/m.sup.3; and a content of ≥25.0 and ≤50.0 wt % of moieties derived from 1-octene, with regard to the total weight of the ethylene-based polymer. Such polymer composition demonstrates improved low temperature impact strength, determined as Izod impact strength at −40° C. and/or at −30° C., as well as desirable toughness, determined as tensile modulus, whilst having good flowability in injection moulding and thereby allowing complex, thin-walled objects to be shaped.

Provided herein are polymer compositions and methods of making them, including blending a polymer and a polyethylene glycol (PEG) masterbatch. The PEG masterbatch can include one or more PEGs each having molecular weight less than 40,000 g/mol. The polymer can be a C.sub.2-C.sub.6 olefin homopolymer or a copolymer of two or more C.sub.2-C.sub.20 α-olefins. The PEG masterbatch and resulting polymer composition is preferably free or substantially free of fluorine, including fluoropolymer-based PPAs.

Polymer compositions comprising stiff and tough star shaped styrene butadiene block-copolymers A1 and A2 can be used for making shrink films. Block copolymer A2 preferably has the structure

##STR00001##

with hard blocks S.sub.e and S.sub.i, hard random copolymer blocks (B/S).sub.Ae, soft random copolymer blocks (B/S).sub.B coupled by a coupling agent X.

The subject of the present invention is to provide a resin material in which woody biomass and a thermoplastic resin are uniformly mixed, and which is easy to mold. The present invention provides a molding resin material comprising 40 to 90% by mass of a pulverized product from a woody biomass-derived torrefied product having an average particle size of 100 μm or less, and further comprising a thermoplastic resin.