The present invention relates to a heterophasic propylene copolymer polymerized the presence of a single-site catalyst with a low tensile modulus, a process for preparing such a heterophasic propylene copolymer and articles made therefrom.

Compositions and methods for producing a matte finish for plastics are disclosed herein. An exemplary thermoplastic article having a matte, printable surface is made of a thermoplastic resin and a thermoplastic additive composition having cross-linked silicone microparticles in a carrier resin. The composition can have 2.5% to 7.5% cross-linked silicone microparticles in a carrier resin, for example polyethylene terephthalate (PET). The cross-linked silicone microparticles have a particle size of about 2 m to about 15 m. The disclosed thermoplastic article can have a surface texture that is soft and smooth and a gloss level of less than 15 gloss units.

A polyethylene composition for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm.sup.3, determined according to ISO 1183 at 23 C.; 2) ratio MIF/MIP from 12 to 40; 3) Mz from 500,000 to 3,500,000 g/mol; 4) .sub.0.02 from 80,000 to 300,000 Pa.Math.s; 5) HMWcopo index from 1 to 15; and 6) Mz/Mw*LCBI lower than 6.4.

The present invention provides an in-reactor solution that avoids costly blending and the use of metallocene elastomers. The inventive Ziegler-Natta polypropylene composition also includes additional components that may improve properties relative to a metallocene catalyzed elastomers. The invention is a clear impact polypropylene composition that is made in-reactor with Ziegler-Natta catalyst, and is suitable for a wide range of processes. Unlike other clear impact copolymers, it does not rely on high-shear processes or compounding with elastomers. The invention uses conventional polypropylene reactor technology to produce these compositions.

A propylene copolymer composition comprising A) a propylene butylene copolymer which is free of phthalicacid esters as well as decomposition products thereof; obtained by a Ziegler-Natta catalyst and B) at least one -nucleating agent, the propylene copolymer composition having a MFR (2.16 kg/210 C.) in the range of 2 to 100 g/10 min a melting point Tm(1) of less than 140 C. a melting point Tm(2) of at least 150 C., said Tm(2) being associated with more than 75% of the total melting enthalpy and whereby the propylene copolymer has monomer units derived from a) propylenein an amount of 90.0-98.0 mol.-% b) butylenein an amount of 2.0-10.0 mol.-% with respect to the total weight of the propylene butylene copolymer an isotacticity mm % as determined by .sup.13C NiNMR spectroscopy of below 99.0%; and a Koenig-B parameter with respect to butylene as determined by .sup.13C NMR spectroscopy of more than 0.98.

The disclosure generally relates to poly alpha-1,3-glucan compositions and articles containing them. In particular interest is comprising poly alpha-1,3-glucan ester derivatives. The poly alpha-1,3-glucan derivatives are useful in thermoprocesses and in particular, injection molding processes.

Provided is a method of manufacturing a joined body, each of which provides satisfactory molding processability and can achieve both a satisfactory appearance and joining strength at a joining portion. The method of manufacturing a joined body includes injecting a thermoplastic elastomer, after melting of the thermoplastic elastomer, into a mold in which a molded body (I) is placed, to thereby integrate a molded body (II) derived from the thermoplastic elastomer and the molded body (I) with each other, the molded body (I) containing a filler, the filler having an arithmetic average particle diameter of from 1 m to 5 m.

The disclosure provides a bottle cap composition and a bottle cap. The bottle cap composition includes polyethylene terephthalate (PET), a soft polyester material, a lubricant, and an antioxidant.

A polymer composition may include a plurality of ethylene-based polymers forming a multimodal composition distribution, each having a distinct crystallization peak in a CEF curve. A process of making a polymer composition may include melt blending a plurality of polyethylenes with different microstructural characteristics in the molten state. Another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a plurality of metallocene catalysts in a polymerization reactor to form a plurality of ethylene based polymers. Yet another process of making a polymer composition may include polymerizing ethylene and an optional alpha olefin in combination with a multimetal catalyst in a polymerization process to form a plurality of ethylene based polymers.

A polymer is provided that preferably includes at least one unsaturated cycloaliphatic group. In one embodiment, the polymer is combined with an optional crosslinker and an optional carrier to form a coating composition suitable for use in coating articles such as packaging articles. In one embodiment, the polymer has at least one unsaturated cycloaliphatic group that is at least bicyclic.