Described herein is a composition, including bismuth vanadate pigment dispersed in a copolymer of ethylene with at least one comonomer, selected from the group consisting of (meth)acrylic acid, C.sub.1-12-alkyl (meth)acrylates and maleic anhydride.

A resin composition, a shaped article, a fiber, a film and a sheet. The resin composition includes two or more kinds of polyolefin resins (A), and 0.05 to 10 mass % of an α-olefin (co)polymer (B) satisfying requirements (b-1) to (b-3): (b-1) A methyl group index is 40 to 60%. The methyl group index is a ratio of an integral of a peak observed in a range of 0.50 to 1.15 ppm to an integral of peaks observed in a range of 0.50 to 2.20 ppm in a .sup.1H-NMR spectrum of a solution of the (co)polymer (B) in deuterated chloroform, positions of the peaks being calculated relative to a solvent peak at 7.24 ppm assigned to CHCl.sub.3 in deuterated chloroform as a reference. (b-2) A weight average molecular weight determined by GPC is 1,500 to 20,000. (b-3) No melting point is observed from −100 to 150° C. in DSC.

An antidegradant composition, an antidegradant master batch comprising the antidegradant composition and a rubber composition comprising the antidegradant composition or the antidegradant master batch. The antidegradant composition comprises antidegradant TMPPD and one or two selected from antidegradant N3100-B and an antidegradant N3100-C. The antidegradant composition and antidegradant master batch render a rubber compound and a rubber article excellent discoloration resistance, fatigue resistance, ozone resistance, and mechanical properties before and after thermal oxidative aging and enables the rubber compound to be used in the manufacture of all or part of the rubber matrix, especially as a tire sidewall rubber composition and a tire tread rubber composition.

A thermoplastic elastomer composition comprising a blend of (A) a thermoplastic organic polyether block amide copolymer, (B) a silicone composition comprising (B1) a silicone base comprising (B1a) a diorganopolysiloxane polymer having a viscosity of at least 1000000 mPa.Math.s at 25° C. and an average of at least 2 alkenyl groups per molecule and (B1b) a reinforcing filler in an amount of from 1 to 50% by weight based on the weight of (B1a), (B2) an organohydrido silicone compound which contains an average of at least 2 silicon-bonded hydrogen groups per molecule, (C) a hydrosilylation catalyst, and optionally: one or more additives component (D), wherein the weight ratio of thermoplastic organic polyether block amide copolymer (A) to the silicone composition (B) is in the range 50:50 to 95:5, and wherein component (B2) and (C) are present in an amount sufficient to cure said silicone composition (B1).

A propylene-α-olefin-diene (PEDM) terpolymer may comprise 75 to 95 wt % propylene, 5 to 20 wt % α-olefin, and 0.5 to 5 wt % diene, said wt % based on the weight of the PEDM terpolymer. The propylene-α-olefin-diene terpolymer may be blended with an ethylene-based copolymer and optionally a variety of additives to form an elastomeric composition. An exemplary elastomeric composition includes 5 to 40 parts by weight per hundred parts by weight rubber (phr) of the PEDM terpolymer, 60 to 95 phr of the ethylene-based copolymer, and optionally additives like carbon black, zinc dimethacrylate, paraffinic oil, zinc oxide, and/or zinc stearate.

The present invention relates to a composition comprising an oxidized polyethylene wax, wherein, the composition has an acid value of 11 to 15 mgKOH/g, preferably 12 to 15 mgKOH/g, even more preferred 12 to 14 mgKOH/g according to ASTM D1386 with respect to the total weight of the oxidized polyethylene wax, a weight average molecular weight from 2,000 to 12,000 g/mol, preferably 4,000 to 9,000 g/mol, even more preferred 5,000 to 8,000 g/mol determined according to gel permeation chromatography; and a density from 0.92 to 0.99 g/cm.sup.3, preferably 0.93 to 0.97 g/cm.sup.3, even more preferred 0.93 to 0.95 g/cm.sup.3 according to ASTM D1505, a masterbatch comprising the same, products comprising the masterbatch and the use of the masterbatch and the composition.

The present disclosure provides a composition. In an embodiment, the composition includes a polymer component and an odor suppressant. The polymer component includes (i) a post-consumer resin and (ii) optionally an olefin-based polymer. The composition further includes from 0.15 wt % to 15 wt % of the odor suppressant. The odor suppressant includes (i) from 0.05 wt % to 2 wt % of a metal oxide having a band gap greater than 5.0 electron volts (eV); and (ii) from 0.1 wt % to 13 wt % an acid copolymer. The ratio of metal oxide to acid copolymer is from 1:20 to 1:1. Weight percent is based on total weight of the composition.

A multi-stage modified thermoplastic starch (TPS) masterbatch is obtained by four-stage modification treatment as follows: (i) 100 parts of starch with a moisture content of 15% to 30% are added to a high-speed mixer and stirred under room temperature; (ii) Heated to 50° C. to 70° C., polybutadiene (PB), plasticizer and a chemical modifier are added. The mixture is then stirred a second time; (iii) Heated to 75° C. to 95° C., tackifier, lubricant, filler and chain extender are added. The mixture is again stirred a third time. (iv) A biodegradable resin is added at this temperature, and the resulting mixture is stirred a fourth time. After the stirring is completed, the resulting mixture is incubated at this temperature for a predetermined time, and then added to a twin-screw extruder for melt extrusion. The present invention also discloses a preparation method and use.

This application relates to natural rubber (NR) composites, and more specifically to a method of preparing a graphene/natural rubber composite. In the method provided herein, nano-silica loaded graphene oxide (SiO.sub.2-GO) is formed by electrostatic interaction between silica and graphene oxide (GO), and then the SiO.sub.2-GO is added to natural rubber (NR) latex to obtain a SiO.sub.2-GO/NR masterbatch by aqueous phase synergistic aggregation-precipitation process. The SiO.sub.2-GO/NR masterbatch is subjected to mechanical blending and vulcanization to obtain the graphene/NR composite.

The present invention relates to an encapsulated antistatic agent composition and a method for preparation thereof. The encapsulated antistatic agent composition of the present disclosure provides long lasting antistatic action in plastic products and is used in masterbatch. The encapsulated antistatic agent composition comprises a carrier consisting of a mixture of silica and clay, and an antistatic agent encapsulated in the carrier.