The invention relates to a process for the preparation of a final heterophasic propylene copolymer (A) having a final melt flow rate in the range from 65 to 110 dg/min, comprising visbreaking an intermediate heterophasic propylene copolymer (A′) having an intermediate melt flow rate, which intermediate melt flow rate is lower than the final melt flow rate, to obtain the final heterophasic propylene copolymer, wherein the intermediate heterophasic propylene copolymer (A′) consists of (a) a propylene-based matrix, (b) a dispersed ethylene-α-olefin copolymer, wherein the sum of the total amount of propylene-based matrix and total amount of the dispersed ethylene-α-olefin copolymer in the intermediate heterophasic propylene copolymer is 100 wt % based on the intermediate heterophasic propylene copolymer.

The present invention relates to a thermoplastic resin composition, a method of preparing the same, and an injection-molded article including the same. More particularly, the present invention relates to a thermoplastic resin composition having superior vibration welding properties along with ABS-based resin-specific impact resistance, heat resistance, and the like due to inclusion of an ABS-based graft copolymer including a conjugated diene-based rubber polymer having an average particle diameter of 0.25 to 0.35 μm; a rubber-modified graft copolymer including a diene-based rubber polymer having an average particle diameter of 0.6 to 10 μm and prepared by continuous bulk polymerization; and a matrix resin, and an injection-molded article including the thermoplastic resin composition.

A biopolymer blend is provided that comprises a combination of three components: poly (butylene adipate-co-terephthalate) (PBAT); agriculture sourced polylactic acid (PLA); and engineered proteinaceous eggshell nanoparticles. The two polymer components can be present in any ratio but an approximate 70:30 ratio is preferred. The engineered proteinaceous eggshell nanoparticles are preferably about 10-25 nanometers. Also provided are methods of preparing biopolymer film and packaging components. Pelleted poly (butylene adipate-co-terephthalate) and agriculture sourced polylactic acid (PLA) are dissolved in chloroform and mixed together to form a polymer blend, and engineered proteinaceous eggshell nanoparticles are incorporated into the polymer blend, which is then extruded to create a biopolymer film or component.

The present invention provides composite particles which are capable of forming an ion exchange membrane with fewer defects and an ion exchange membrane. The composite particles according to the present invention comprise pellets comprising a fluorinated polymer having groups convertible to ion exchange groups, and a powder held on the pellet surface which comprises a polymer, wherein the powder has an average particle diameter of at least 1 μm and at most 1,000 μm, and the ratio of the average particle diameter of the pellets to the average particle diameter of the powder is 2 to 4,500.

A non-pneumatic tire, comprising a polyurethane composite layer which comprises a polyurethane matrix material and a thermoplastic expandable polymer material dispersed in the polyurethane matrix material. The polyurethane matrix material is obtained by a reaction comprising the following components: (A1) a polyisocyanate composition; (B1) at least one polyalkylene oxide-based polyether polyol having a number average molecular weight of 2000-7000 g/mol, calculated according to GB/T 7383-2007: test method for hydroxyl value, and containing 15-35 wt % of solid particles based on the total weight of the polyether polyol; (B2) one or more chain extenders; (B3) one or more catalysts; and (B4) one or more foaming agents. Also provided herein is a method for preparing a non-pneumatic tire, a process for manufacture of a non-motor vehicle, and a non-motor vehicle.

A flexible transparent material is provided. The flexible transparent material includes a thermoplastic and a plurality of micelles dispersed in the thermoplastic. Each micelle includes a plurality of cross-linked rubber particles and a swelling liquid. The weight ratio of the thermoplastic to the total weight of the cross-linked rubber particles is from 1:5 to 4:5. The weight ratio of the swelling liquid to the total weight of the cross-linked rubber particles is from 1:5 to 2:1.

The instant disclosure relates to a fluorine-containing ethylene-vinyl alcohol copolymer (EVOH) resin composition as well as mixture and blend thereof. The fluorine-containing EVOH resin composition comprises EVOH and fluorine-containing particles, wherein the fluorine-containing EVOH resin composition has a total fluoride ion content ranging from 45 to 41000 ppm. The invention can reduce the adhesion of EVOH to the inside of the extruder, and effectively reduce the appearance of gel or gelled substance in subsequent finished products.

Chemically resistant sealant compositions include high equivalent weight sulfur-containing prepolymers. Upon exposure to chemicals the properties of sealants prepared using the prepolymers exhibit excellent fuel and phosphate ester resistance.

A polymer composition for producing gel extruded articles is described. The polymer composition contains polyethylene particles combined with a plasticizer. The polyethylene particles are particularly selected so that the particles rapidly form a homogeneous gel-like material when combined with the plasticizer during gel processing. In one embodiment, the polyethylene used to produce the particles has a relatively low bulk density. Alternatively or in addition, the particles can have a carefully controlled particle size distribution. Polymer articles such as fibers and films can be produced having little to no imperfections.

A composition includes a polymer including extending chains, side chains, or branches. One (or more) of a plurality of a first strand of nucleic acid is attached to each of a plurality of the side chains. One (or more) of a plurality of a second strand of nucleic acid, which is complementary to the first strand of nucleic acid, is complexed to each of the plurality of the first strand of nucleic acid to form a double strand of nucleic acid on each of the plurality of the side chains. At least one fluorescent compound is associated with the double strand of nucleic acid on each of the plurality of the side chains.