Polypropylene composition which combines low sealing initiation temperature (SIT), low xylene cold soluble (XCS) content and thus low overall migration and good optical properties, like low haze. The present invention is furthermore related to the use of the polypropylene composition and articles, especially films made therefrom.

A polyolefin composition (C) obtainable by blending: a recycling blend (A) with a virgin polypropylene homopolymer and optionally a virgin high density polyethylene.

The present invention relates to a polypropylene composition comprising —10 to 50 wt. % of recycled polypropylene (R-PP) and/or linear polypropylene (L-PP); —40 to 89.95 wt. % of a high melt strength polypropylene (HMS-PP) having an F30 melt strength of more than 25.0 cN and a v30 melt extensibility of more than 205 mm/s, wherein the F30 melt strength and the v30 melt extensibility are determined according to ISO 16790:2005; and —0.05 to 10 wt. % of a nucleating agent (NA); a foamed sheet formed from the polypropylene composition; an article comprising the foamed sheet and a process comprising the step of forming the polypropylene composition. Furthermore, the invention is further directed to the usage of the polypropylene composition for the formation of foamed sheets.

The present invention relates to a polymer composition (I) comprising at least the following components: (A) 87.00 to 99.79 wt.-% based on the overall weight of the polymer composition (I) of a specific polymer, (B) 0.20 to 10 wt.-% based on the overall weight of the polymer composition (I) of a specific copolymer of ethylene and (C) 0.01 to 3.00 wt.-% based on the overall weight of the polymer composition (I) of a compound according to Formula (a), whereby components (A), (B) and (C) add up to 100 wt.-%. In addition, the present invention refers to a photovoltaic module comprising at least one layer comprising polymer composition (I), to a method for improving the storage stability and/or transport stability of polymer (A) and to the use of components (B) and (C) for improving the storage stability and/or transport stability of a polymer (A).

A rubber compound having at least two glass transition temperatures Tg1 and Tg2 is based on at least two rubber compositions C1 and C2, C1 comprising at least one elastomer E1 with Tg1, C2 comprising at least one elastomer E2 with Tg2 and a reinforcing filler, E2 being different from E1, where Tg1 is above or equal to -50° C., the rubber compound satisfies Tg1-Tg2 ≥ 23° C. and has a loss factor profile exhibiting the change in tan δ as a function of the temperature in °C. over a range extending from -80° C. to 60° C. at a frequency of 10 Hz and a constant stress of 0.7 MPa and exhibiting one or more peaks, such that all the tan δ peaks present at a temperature above Tg1 have a width at half height less than or equal to 23° C.; and E1 is predominant.

A method for producing a microporous material comprising the steps of: providing an ultrahigh molecular weight polyethylene (UHMWPE); providing a filler; providing a processing plasticizer; adding the filler to the UHMWPE in a mixture being in the range of from about 1:9 to about 15:1 filler to UHMWPE by weight; adding the processing plasticizer to the mixture; extruding the mixture to form a sheet from the mixture; calendering the sheet; extracting the processing plasticizer from the sheet to produce a matrix comprising UHMWPE and the filler distributed throughout the matrix; stretching the microporous material in at least one direction to a stretch ratio of at least about 1.5 to produce a stretched microporous matrix; and subsequently calendering the stretched microporous matrix to produce a microporous material which exhibits improved physical and dimensional stability properties over the stretched microporous matrix.

The present invention relates to a polypropylene composition for thermoforming comprising: from 50% by weight to at most 90% by weight of a polypropylene A, wherein polypropylene A is a polypropylene random copolymer, based on the total weight of the polypropylene composition; and from 10% by weight to at most 50% by weight of a polypropylene B, wherein polypropylene B is a polypropylene homopolymer, based on the total weight of the polypropylene composition; wherein the melt flow index of polypropylene B is at most 1.0 g/10 min, as measured according to the method of standard ISO 1133, condition M, at 230° C. and under a load of 2.16 kg; and wherein the ratio of the melt flow index of polypropylene A to the melt flow index of polypropylene B is at least 80.

Provided is a thermally conductive composition containing a liquid resin, a thermally conductive powder, and a dispersant, in which the liquid resin has a viscosity of 10 mPa.Math.s or more and 2,000 mPa.Math.s or less at 25° C., the dispersant is an acrylic silicone, and at least one of the liquid resin and the thermally conductive powder contains an alkyl group having 4 or more carbon atoms.

To provide a powder dispersion comprising a tetrafluoroethylene polymer, a particular polyoxyalkylene-modified polydimethylsiloxane and a liquid dispersion medium, and a composite having a baked product having physical properties intrinsic to the tetrafluoroethylene polymer. [Solution] The powder dispersion of the present invention comprises a powder of a tetrafluorethylene polymer, a liquid dispersion medium and a polyoxyalkylene-modified polydimethylsiloxane having a weight average molecular weight of at most 3,000 and an HLB value of from 1 to 18 calculated by Griffin's equation The composite of the present invention is produced by applying the powder dispersion of the present invention to the surface of a substrate and heating the powder dispersion.

The present invention relates to a resin composition comprising: a base resin comprising a petroleum resin of which at least a part is hydrogenated or non-hydrogenated; and an additive comprising a modified C.sub.9 polymer having a structure in which a molecular weight modifier binds to at least one terminal of the two terminals of the petroleum resin of which at least a part is hydrogenated or non-hydrogenated. The present invention also relates to a gas barrier film comprising the resin composition, and a tire.