A thermoplastic vulcanizate composition, comprising a first phase bi-continuously intertwined with from about 10 wt % to 80 wt % of a second phase throughout the composition, and from about 0.1 wt % to about 10 wt % of a curative system, the first phase comprising polypropylene and the second phase comprising an at least partially cured elastomeric rubber composition, comprising from about 10 wt % to about 40 wt % ethylene, from about 5 wt % to about 10 wt % of a conjugated diene having from 4 to 12 carbon atoms, and from about 50 wt % to about 85 wt % of a C.sub.4-C.sub.8 alpha olefin, based on the total weight of the elastomeric rubber composition present. A process for making is also disclosed.

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.

A multi-modal polymer blend of at least three fractions as determined by TREF is provided. The blend comprises a first propylene-based polymer, a second propylene-based polymer; and a third propylene-based polymer; wherein when subjected to TREF, the polymer blend exhibits: a first fraction that is soluble at −15° C. in xylene, the first fraction having an isotactic (mm) triad tacticity of about 55 mol % to about 85 mol %; a second fraction that is insoluble at −5 C in xylene or dichlorobenzene and soluble at 40° C. in xylene or dichlorobenzene; and a third fraction that is insoluble at 70° C. in xylene or dichlorobenzene and having an isotactic (mm) triad tacticity of about 85 mol % to about 98 mol %. Also provided are hot melt adhesive compositions comprising the polymer blend, tackifier, wax; and optionally a nucleating agent, articles containing the adhesive and methods of fabricating the articles.

Heterophasic polypropylene composition with high flowability and stiffness in combination with good impact performance and its use.

Disclosed is a method of forming a thermoplastic polyolefin composition, and the TPO itself, comprising discrete α-olefin copolymer domains within a continuous phase of polypropylene comprising combining within the range from 8 wt % to 60 wt % of the α-olefin copolymer, by weight of the thermoplastic polyolefin, and within the range from 92 wt % to 40 wt % of the polypropylene by weight of the thermoplastic polyolefin, wherein the complex viscosity of the α-olefin copolymer (CV.sub.α-olefin) and polypropylene (CV.sub.PP) satisfy the formula 0.2≦CV.sub.α-olefin/CV.sub.PP≦5 when the CVs are measured at the same frequency and temperature.

A metallic polypropylene resin composition is provided herein. The metallic polypropylene resin composition provides appearance characteristics that are similar to those provided by painting, but without painting. The metallic polypropylene resin composition of the present invention has excellent physical properties such as scratch resistance, and thus may be applied to molding methods, such as a molded in color (MIC) method. The resin composition is useful as a material for automobile interior and exterior parts, as wells as electric and electronic products, which can be molded by the MIC method.

The present invention relates to a newpolypropylene composition with improved processability and heat resistance for use in a capacitor film, as well as a cast film and a biaxially oriented film for the use as capacitor film comprising such polypropylene composition.

A propylene resin composition comprising: 100 parts by mass of a heterophasic propylene polymer material (A) comprising a propylene polymer (I) and an ethylene-α-olefin copolymer (II); 0.1 to 5 parts by mass of an organo-modified silozane compound (B) having a weight-average molecular weight of 10,000 to 90,000; and 0.001 parts by mass to 5 parts by mass of a colorant (C).

The propylene polymer (I) is a propylene homopolymer (I-1) or a propylene copolymer (I-2).

The propylene copolymer (I-2): a copolymer comprising a structural unit derived from propylene and a structural unit derived from at least one olefin selected from the group consisting of ethylene and α-olefins having 4 to 12 carbon atoms, where an amount of the structural unit derived from at least one olefin selected from the group consisting of ethylene and α-olefins having 4 to 12 carbon atoms is 0.05 mass % or more and less than 10 mass %.

Non-extractable and fiber-free food oil removing film is a flexible with numerous open-cell of microporous structure used for removing oils from cooked food. The said plastic film is made from a mixture of polypropylene polymer, specific carbon atom olefin fillers and nucleating agent. The mixture is plasticized and formed into a tubular film substrate by a tubular blown film extruder, then following biaxial stretching by a specific isostatic pressurized hot water technique forming numerous of smooth, uniform, lipophilic, microporous structure that absorb and retain any kinds of oils from cooked foods. The film is applied in various forms varying to its applications such as sheet, perforated rolls, or laminated on other functional substrates to from a novel food packaging by lamination methods.

Composition comprising a heterophasic propylene copolymer with low melt flow rate and rather low amount of xylene cold solubles and a recycled polymer composition being rich in polypropylene.