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.

A polymer composition that comprises an olefinic polymer, a flame retardant that includes a halogen-free mineral filler, and a compatibilizing agent is provided. The halogen-free mineral filler constitutes from about 20 wt. % to about 80 wt. % of the composition. The composition may exhibit a degree of water uptake of about 5 wt. % or less after being immersed in water for seven days at a temperature of 23 C.

The present invention relates to a method for increasing the reactivity of lignin which method comprises the following steps; providing a mixture comprising lignin and an alkali solution wherein the concentration of the alkali solution of the mixture is between 5-50% by weight, storing said mixture for a period of at least 1 day whereby the reactivity of the lignin is increased. The present invention also relates to a resin composition comprising said lignin and use of said resin composition.

A thermally conductive composition includes a non-silicone polymer resin curable in place along a thermal dissipation pathway. The composition exhibits a low density for particular use in weight-sensitive applications that require a thermal conductivity of at least 1.5 W/m*K.

A method of forming a polymeric composition includes the steps of melt blending an ethylene-silane copolymer and a halogen free flame retardant masterbatch comprising halogen free flame retardant dispersed in an ethylene vinyl acetate copolymer to form the polymeric composition, wherein the ethylene-silane copolymer is a random copolymer of units derived from ethylene and vinyltrimethoxysilane and further wherein the copolymer has a vinyltrimethoxysilane content of 0.5 wt % to less than 2 wt % based on the total weight of the ethylene-silane copolymer; and processing the polymeric composition into a plurality of particles.

Provided is a silane-crosslinkable polyolefin-based flame-retardant resin composition having high flexibility and high handleability, and an insulated electric wire and a wire harness obtained using the flame-retardant resin composition. The flame-retardant resin composition includes, as resin components: a silane-grafted polyolefin (A) obtained by grafting a silane coupling agent onto a polyolefin; an unmodified polyolefin (B); and a modified polyolefin (C) having one or more functional groups selected from a carboxyl group, an ester group, an acid anhydride group, an amino group, and an epoxy group. The resin composition further includes a flame retardant (D) and a crosslinking catalyst (E). A crosslinked product obtained by subjecting the flame-retardant resin composition to silane crosslinking has a melting point of 80? C. or higher and a flexural modulus of 100 MPa or less.

The invention concerns bituminous compositions comprising: a bitumen, a hydroxide XOH, with X=Na, Ca, Mg, Li or K, and at least one amine additive selected from amines, diamines, polyamines, alkyl amido amines, amidopolyamines and imidazolines,
wherein said bituminous composition is substantially free of saponifiable and saponified carboxylic acids, meaning that, if present, the weight of saponifiable and saponified carboxylic acids represents at most 0.01% of the total weight of said bituminous composition
and the bitumen represents at least 60% by weight of said bituminous composition,
their preparation process and their use in road applications.

The invention relates to an article having a single- or multi-layered main body having elastic properties, in particular an air spring bellows, a metal-rubber element or a vibration damper. In order to improve its flame retardant properties, the main body of the article consists of or contains at least one layer D constructed from a rubber mixture which is free from halogen-containing flame retardants and contains at least one carbon black having a BET surface area according to DIN-ISO 9277 between 35 and 140 m.sup.2/g and an oil absorption number (OAN) according to ISO 4656 between 70 and 140 ml/100 g and a first aluminum trihydrate (ATH_1) and at least a further aluminum trihydrate (ATH_2), wherein the first aluminum trihydrate (ATH_1) and the further aluminum trihydrate (ATH_2) each have a different particle size.

The present disclosure is directed to polymer composites, and, particularly, thermally conductive polymer composites. The polymer composites can include from about 20 wt. % to about 80 wt. % of a base polymer resin; from about 1 wt. % to about 70 wt. % of thermoconductive filler material comprising thermoconductive particles having a plurality of electronegative functional groups at the surface of the particles, and having a thermal conductivity of at least 2 W/m*K; from about 0.01 wt. % to about 20 wt. % of an amphiphilic compatibilizer including a hydrophilic component and hydrophobic chain component; and, optionally, from about 0 wt. % to 50 wt. % of an additive. As compared to a control composition having 0.00 wt. % of the amphiphilic compatibilizer, the composite has (i) increased mechanical strength as measured by Izod impact testing, and, (ii) increased thermal conductivity as measured by through-plane or in-plane testing.

A method comprising at least a step (1) of preparing a silane master batch by melt-kneading, all or part of a polyolefin resin, an organic peroxide, an inorganic filler containing a metal hydrate and a metal carbonate, and a silane coupling agent, at a temperature equal to or higher than the decomposition temperature of the organic peroxide, and a step (3) of mixing the silane master batch and a silanol condensation catalyst or a catalyst master batch; a heat-resistant silane crosslinked resin molded body and a heat-resistant silane crosslinkable resin composition prepared by the method, and a silane master batch and a heat-resistant product.