Several embodiments disclosed herein pertain to polymer compositions with optical enhancing agents. In some embodiments, the compositions are provided as polymer (layers including medical films), devices, or parts of devices. Some embodiments provide methods of making such compositions and articles of manufacture comprising them, as well as methods of using polymer compositions or the articles made therefrom. In several embodiments, the polymer formulation includes a base polymer and an optical enhancing additive. In some embodiments, surprisingly, the optical enhancing additive confers upon the polymer film improved stability, including thermal stability.

The present invention is related to expandable vinyl aromatic polymers comprising comminuted coke, said comminuted coke having an average stack height (Lc) of carbon crystallites at least 4 nm, a volume median particle diameter (D50) comprised between 1 and less than 5 μm and being characterized by a span (D90−D10)/D50 below 2.5 Molded parts produced from the expandable vinyl aromatic polymers prove low thermal conductivities for a low foam density.

The present invention relates to silane crosslinking catalyst comprising: —75 to 85 wt.-% of an olefin acrylate interpolymer and—15 to 25 wt.-% of a hindered amine light stabilizer (HALS) having a number average molecular weight Mn of 1500 to 4000 g/mol; and—optionally up to 5 wt.-% wax, wherein the silane crosslinking catalyst is free of tin, carboxylic acid(s) and sulphonic acid(s), all weight percentages with respect to the total weight of the silane crosslinking catalyst.

A method for producing a film including at least 20 wt % thermoplastic polymer and 50 to 75 wt % inorganic filler, and including the steps of: providing the mixture, melting the mixture, producing a thin layer from the mixture, cooling the thin layer, producing a film, stretching the film in the longitudinal direction and in the transverse direction, wherein the particle size of the inorganic filler is at most 5 μm and the stretch ratio in the longitudinal direction and in the transverse direction is at least 3.5. The disclosure further relates to films produced by the method and to the use thereof.

Provided are a polyarylene sulfide resin composition which can provide a composite molded article; a molded article produced from the polyarylene sulfide resin composition; and methods respectively for producing the polyarylene sulfide resin composition and the molded article thereof. More specifically provided are a composite molded article obtained by bonding a molded article which is produced by molding a polyarylene sulfide resin composition and is subjected to an annealing treatment to a cured product produced from a curable resin composition containing an epoxy resin, wherein the polyarylene sulfide resin composition contains, as essential components, an epoxy resin and an olefin wax containing a carboxyl group and a carboxylic acid anhydride group and having an acid value of 65 to 150 [mgKOH/g]; a polyarylene sulfide resin composition for providing the composite molded article; a molded article; and methods respectively for producing the aforementioned products.

A highly fire-resistant expanded polymeric material for thermal insulation, acoustic insulation and/or fire barrier contains rubber, expandable graphite, at least one alkaline earth metal component selected from alkaline earth metal carbonates, alkaline earth metal hydroxides, hydrates of either, and combinations thereof, and a component containing silica or a silicate. The expanded polymeric material is preferably manufactured by a process including decomposition of a chemical blowing agent.

A film for use in a packaging structure, comprising a coating on the film surface which comprises a binder and a particulate protuberant component able to remove a volatile organic compound from an environment in contact with the film in the packaging structure. Also provided is a packaging structure comprising such a film and a package which comprises the packaging structure.

The invention relates to a wax composition comprising linear hydrocarbons, branched hydrocarbons and oxidized hydrocarbons, wherein the composition is characterized by a congealing point from 68° C. to 110° C., an acid number in the range of 3 to 30 mg KOH/g, a saponification number of 20 to 90 mg KOH/g and a needle penetration at 25° C. of below 15 1/10 mm. The invention further relates to an aqueous dispersion comprising the wax composition and a method of manufacture of both the wax composition and the dispersion. The wax composition can be used to fully or partially substitute Carnauba wax or Candelilla wax.

Motor vehicle components are subjected to continuous vibration during operation of the motor vehicle, and hydrolysis resistant (HR) glass fibres are included in polyamide compositions to improve the operational stability of the components.

An oriented polyester film containing antioxidant and modified polyolefin wax in a surface layer on at least one side thereof, wherein the oriented polyester film is such that the modified polyolefin wax contained in said layer is present in an amount that, as measured based on weight of a composition at said layer, is not less than 0.1 wt % but less than 3.0 wt %, and wherein the modified polyolefin wax is such that acid value thereof is not less than 1 mg KOH/g but less than 50 mg KOH/g, 3 wt % weight loss onset temperature thereof is not less than 300° C., weight-average molecular weight thereof is within a range that is 3,500 to 65,000, and the antioxidant is present in an amount that, as measured based on the weight of the composition, is not less than 0.02 wt % but less than 0.35 wt %.