A resin composition, comprising the following components: (a) a thermal-curable resin system, which has a dielectric loss (DO of not higher than 0.006 at 10 GHz; and (b) a metal hypophosphite of formula (I),

##STR00001## wherein a, R, and M.sup.a+ are as defined in the specification, and wherein the amount of the metal hypophosphite (b) is 1 wt % to 30 wt % based on the total weight of the resin system (a) and the metal hypophosphite (b).

The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a MC content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m.sup.2/g and at most 200 m.sup.2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.

In various embodiments, the present invention provides polymeric compositions that combine polylactic acid (PLA) (or heteropolymers of lactic acid) with additives (organic or inorganic), such as elastomeric additives and/or co-polymer additives. Such polymeric blends may exhibit improved mechanical properties and/or degradation rates compared to PLA homo-polymer (or a lactic acid heteropolymer).

Provided is a flame-retardant foam which has high flame retardancy, is excellent in flexibility, and is excellent in stress dispersibility. Also provided is a foam member including such flame-retardant foam as a flame-retardant foam layer. The flame-retardant foam of the present invention has an apparent density of from 0.02 g/cm.sup.3 to 0.40 g/cm.sup.3, a 50% compression load of from 0.5 N/cm.sup.2 to 8.0 N/cm.sup.2, and a rupture elongation in a tensile test of 120% or less.

The present invention relates to a composite, a high-frequency circuit substrate prepared therefrom and a process for preparing the same. Such composite includes (1) from 20 to 70 parts by weight of a thermosetting mixture, including (A) a thermosetting resin based on polybutadiene or a copolymer resin of polybutadiene and styrene having a molecular weight of 11,000 or less, being composed of carbon and hydrogen elements and containing 60% or more of vinyl groups, and (B) an ethylene-propylene rubber having a weight-average molecular weight of greater than 100,000 and less than 150,000 and a number-average molecular weight of greater than 60,000 and less than 100,000 and being in a solid state at room temperature; (2) from 10 to 60 parts by weight of a glass fiber cloth; (3) from 0 to 70 parts by weight of a powder filler; and (4) from 1 to 3 parts by weight of a curing initiator. The composite of the present invention has good solvent solubility and good process operability. The high-frequency circuit substrate made by using the composite has good high frequency dielectric properties and better thermal oxidative aging performance.

The present invention relates to a particulate carbon material that can be produced from renewable raw materials, in particular from biomass containing lignin, comprising: a MC content that corresponds to that of the renewable raw materials, said content being preferably greater than 0.20 Bq/g carbon, especially preferably greater than 0.23 Bq/g carbon, but preferably less than 0.45 Bq/g carbon in each case; a carbon content in relation to the ash-free dry substance of between 60 ma. % and 80 ma. %; an STSA surface area of the primary particles of at least 5 m.sup.2/g and at most 200 m.sup.2/g; and an oil absorption value (OAN) of between 50 ml/100 g and 150 ml/100 g. The present invention also relates to a method for producing said carbon material and to the use thereof.

The present invention relates to a foam composition for vehicle seat cushions, foam for a vehicle seat cushion, and a manufacturing method therefor, the foam composition comprising: (A) 49.5 wt % to 80 wt % of a polypropylene-based resin; (B) 19.5 wt % to 50 wt % of a modified olefin-based elastomer resin having a melting temperature (Tm) of 60° C. to 110° C. and a melting index (MI) value of 0.5 g/10 min to 4 g/10 min, as measured at 190° C. under a load of 2.16 kg according to ASTM D1238; and 0.1 wt % to 0.5 wt % of (C) a filler.

The present invention relates to a cross-linked polyolefin resin foam obtained by cross-linking and foaming a polyolefin resin composition containing at least a polyolefin resin, wherein the cross-linked polyolefin resin foam has a total light transmittance of 45% or more at the thickness of 0.3 mm or more and less than 1.0 mm, and the cross-linked polyolefin resin foam has a total light transmittance of 30% or more at the thickness of 1.0 mm or more and 5.0 mm or less.

The present invention provides a cross-linked polyolefin resin foam having excellent light transmittance.

A method for adhesively bonding two substrates by means of a moisture-curable adhesive composition, wherein at least one of the substrates includes at least 40 wt.-% of a mixture, said mixture consisting of: between 15 and 99 wt.-% of at least one thermoplastic polymer; between 1 and 85 wt.-% of at least one elastomer; and wherein the moisture-curable adhesive composition includes: at least one polymer containing silane groups; between 10 and 40 wt.-% of at least one polymeric plasticizer; between 0.1 and 5 wt.-% of at least one amino-functional alkoxysilane; between 0 and 5 wt.-% of at least one C1-C12-alkyl-functional alkoxysilane. The method yields adhesively bonded substrates without the requirements of using migrating plasticizers and pre-treating of the substrates.

The present invention relates to a master mixture comprising: from 40 to 95% by weight of a photoluminescent pigment, said pigment having a particle size limited by sifting at 30 μm; 5 to 60% by weight of a polymer in the form of an elastomer or an elastomer precursor chosen from fluorinated polymers from the FKM family, the polyurethane (TPU) family, Ethylene vinyl acetate (EVA) copolymers, silicones, ethylene propylene rubbers (EPR) and the thermoplastic derivatives (TPO) thereof and acrylic elastomers.