Halogen-free flame retardant compositions comprising thermoplastic elastomers, which exhibit flame retardance and low-smoke emission. The flame retardant compositions comprise (a) one or more thermoplastic elastomers; and (b) a flame retardant mixture comprising: magnesium hydroxide, aluminium trihydrate, melamine cyanurate, and optionally a phosphate ester flame retardant.

A multi-layered thermoplastic roofing membrane comprising a planar body including at least three layers, said at least three layers including (i) a top layer that includes magnesium hydroxide dispersed within a thermoplastic resin, (ii) an upper middle layer disposed below said top layer and including magnesium hydroxide and calcium carbonate dispersed within a thermoplastic resin, and (iii) a lower layer disposed below said upper middle layer and including magnesium hydroxide and calcium carbonate dispersed within a thermoplastic resin.

The present disclosure related generally to a bituminous composition suitable for use in roofing material, the bituminous composition a bituminous component comprising an asphalt component in an mount in the range of 75-95 wt% of the bituminous component, a rubber polymer in an amount of 5-20 wt% of the bituminous component, and a polyolefin wax in an amount up to 5 wt% of the bituminous component; and dispersed within the bituminous component, a filler component comprising at least one of both huntite and hydromagnesite; wollastonite; and both magnesium hydroxide and zinc borate, wherein the total amount of the huntite, hydromagnesite, wollastonite, magnesium hydroxide and zinc borate is in the range of 20-70 wt% of the bituminous component.

A polymeric composition includes 90 wt % to 99 wt % of an ethylene-based polymer based on a total weight of the polymeric composition; 0.1 wt % to 1 wt % of a hindered amine light stabilizer based on the total weight of the polymeric composition; and 0.1 wt % to 5.0 wt % of at least one of MgO, Mg (OH).sub.2, ZnO and Zn (OH).sub.2 based on the total weight of the polymeric composition.

A communication cable includes 51 to 85 parts by mass of a polyolefin resin, 15 to 49 parts by mass of a flexible resin, 10 to 80 parts by mass of a halogenated flame retardant per 100 parts by mass of a total of the polyolefin resin and the flexible resin, and at least one of titanium oxide or metal hydroxide, the resin composition having a permittivity of 2.5 to 3.5.

The present invention relates to a cable comprising a crosslinked layer obtained from a polymer composition, the polymer composition comprising: a polymer blend comprising an ethylene vinyl acetate (EVA) copolymer, nitrile rubber (NBR), and an ethylene-methyl acrylate (EMA) copolymer; a crosslinking agent; and a flame-retardant filler.

A thermoplastic composite article comprising a porous core layer and an open cell skin disposed on a first surface of the core layer is described. The composite article comprises a noise reduction coefficient of at least 0.5 as tested by ASTM C423-17 and a flame spread index of less than 25 and a smoke development index of less than 150 as tested by ASTM E84 dated 2009.

The present invention relates to a filament for 3D printing, comprising (A) at least one semicrystalline polyamide, (B) at least one amorphous polyamide (C) at least one flame retardant of formula (I), wherein R.sup.1 and R.sup.2 are independently of each other a linear or branched C.sub.1-C.sub.8alkyl group, or an optionally substituted aryl group, M represents is an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a zinc ion, an iron ion or a boron ion; m represents 1, 2 or 3; and n represents 1, 2 or 3, a process for the preparation of the filament and its use in a process for preparation of a three-dimensional object, by a fused filament fabrication process.

Flame retardant coating formulation in the form of an aqueous dispersion comprising a binder, particles of a brominated polymeric flame retardant; and particles of at least one of magnesium hydroxide and aluminum trihydrate, wherein the aqueous dispersion is substantially free of antimony oxide. A process for preparing the formulation and a method of reducing the flammability of wood and wood products by coating them with the formulation are also provided.

Flame retardant coating formulation in the form of an aqueous dispersion comprising a binder, particles of a brominated polymeric flame retardant; and particles of at least one of magnesium hydroxide and aluminum trihydrate, wherein the aqueous dispersion is substantially free of antimony oxide. A process for preparing the formulation and a method of reducing the flammability of wood and wood products by coating them with the formulation are also provided.