The present application relates to a polypropylene composition having a melt flow rate MFR.2 (230° C.) measured according to ISO 1133 in the range of 5 to 50 g/10 min, to a composition comprising the polypropylene composition and one or more additive(s) in an amount of up to 4 wt.-%, based on the total weight of the composition, to a process for the preparation of the polypropylene composition and an article comprising the polypropylene composition as well as the use of the polypropylene composition for decreasing the brittle-to-ductile transition temperature.

An ear plug includes an elongated body sized and shaped to be partially inserted into an ear canal of a wearer, in which the body includes a negative Poisson's ratio (NPR) polymer foam material having a Poisson's ratio of between 0 and −1. A mouth guard includes an arc-shaped element sized to be received into a mouth of a wearer. The arc-shaped element has an outer wall, an inner wall, and a biting wall connecting the outer wall and the inner wall. The outer wall, the inner wall, and the biting wall define a channel that is sized to receive upper teeth of the wearer or lower teeth of the wearer. The outer wall, the biting wall, or both includes a negative Poisson's ratio (NPR) material having a Poisson's ratio between 0 and −1.

A thermoplastic resin (A) including, in its main chain structure, a unit (i) having a biphenyl group, a unit (ii) having a substituent biphenyl group, a unit (iii) having a specific number of atoms in its main chain, and a unit (iv) having a specific number of atoms in its main chain provides a thermoplastic resin which has a low liquid crystal phase transition temperature and a low isotropic phase transition temperature, is highly thermally conductive, and can be processed by molding at a low melting temperature.

A thermosetting resin composition contains an ethylene-propylene-diene copolymer (A), a terminal-modified polyphenylene ether compound (B), an inorganic filler (C), a styrene-based elastomer (D), and a fibrous filler (E).

Disclosed are: a polyalkylene terephthalate resin composition comprising (A) a polyalkylene terephthalate resin and (B) an acrylic-based core-shell polymer which has an average particle size of 2 μm or greater and in which an amount of the core layer component is more than 80% by mass but less than 100% by mass relative to a total mass of the core layer component and a shell layer component; and a molded article which is obtained by molding the polyalkylene terephthalate resin composition.

A hot melt adhesive composition includes (A) 10-95 wt % of a random or homogeneous propylene-based interpolymer having: (i) a comonomer content of at least one of C2 and C4-10 a-olefin of 7 wt % to 49 wt % based on the total weight of the propylene-based interpolymer, (ii) an MWD of 4 or less, (iii) a density of 0.90 g/cc or less, and (iv) a Brookfield viscosity of less than 50,000 centipoise, (B) 1-60 wt % of a crystalline block composite comprising: (1) a crystalline ethylene based polymer; (2) a crystalline alpha-olefin based polymer derived from at least one of a C3-10 a-olefin; and (3) a block copolymer comprising 10-90 wt % of a crystalline ethylene block comprising greater than 90 mol % units derived from ethylene and comprising 10-90 wt % of a crystalline alpha-olefin block comprising greater than 90 mol % units derived from at least one of a C3-10 a-olefin, (C) Optionally, from greater than zero to 70 wt % tackifier, and (D) Optionally, from greater than zero to 40 wt % of at least one selected from the group of a wax and an oil.

A hot melt adhesive (HMA) composition includes (A) from 1-60 wt % of a block composite compatibilizer comprising (i) a hard polymer that includes propylene, (ii) a soft polymer that includes ethylene, and (iii) a block copolymer having a soft block and a hard block, the hard block of the block copolymer having the same composition as the hard polymer of the block composite compatibilizer and the soft block of the block copolymer having the same composition as the soft polymer of the block composite compatibilizer; (B) from 1-70 wt % of a tackifier; (C) from 1-40 wt % of at least one selected from the group of a wax and an oil; and (D) Optionally, from greater than zero to 97 wt % of a polymer component that includes an ethylene-based polymer and/or a propylene-based polymer.

The present invention relates to an aqueous coating composition comprising at least one mixture (M) of at least one polymeric resin (P1) and at least one polymeric resin (P2), different therefrom, where (P1) is a polyamide and (P2) is a polyester which is at least obtainable by reaction of at least one polymerized aliphatic C.sub.12-C.sub.24-monocarboxylic acid with at least one diol and/or polyol, at least one binder (A) comprising at least one polymeric resin (A1), which is different from the polymeric resins (P1) and (P2), at least one pigment (B), where the polyamide used as polymeric resin (P1) has an acid number <10 mg of KOH per g of polyamide and the mixture (M) is obtainable by dispersing of the polymeric resin (P1) in water or an aqueous medium in the presence of the polymeric resin (P2), to a method for at least partly coating a substrate with a basecoat film by means of the aqueous coating composition, and to a use of the mixture (M) as a rheological assistant in aqueous coating compositions.

The present invention relates to an aqueous dispersion (P) comprising at least one polymeric resin (P1) and at least one polymeric resin (P2) different therefrom, where the polymeric resin (P1) is a polyamide and the polymeric resin (P2) is a polyester which is at least obtainable by reaction of at least one polymerized aliphatic C.sub.12-C.sub.24 monocarboxylic acid with at least one diol and/or polyol, (P) being obtainable by dispersing of (P1) in water or an aqueous medium in the presence of (P2), and where (P1) has an acid number <10 mg of KOH per g of polyamide, and (P) contains at most 25 wt %, based on the total weight of (P), of one or more organic solvents, and also to an aqueous coating composition comprising (P), at least one binder (A) comprising at least one polymeric resin (A1), which is different from the polymeric resins (P1) and (P2), and at least one pigment (B) for at least partly coating a substrate with a basecoat film.

Reinforced polyoxymethylene compositions including 50 to 90 wt. % of a polyoxymethylene; 10 to 50 wt. % of glass fibers, wherein the weight of the polyoxymethylene and the glass fibers total 100 wt. %; 1 to less than 4.0 wt. % of a (meth)acrylic polymer additive, based on the total weight of the polyoxymethylene and the glass fibers; 0.1 to 5 wt. %, preferably 0.1 to 2.5 wt. % of a heat stabilizer; and 0.1 to 5 wt. % of an antioxidant, wherein the amounts of the (meth)acrylic polymer additive, the heat stabilizer, and the antioxidant are based on the total weight of the polyoxymethylene and the glass fibers.