Abstract: A sealant composition for insulation of devices that are sensitive to penetration of moisture from the external environment is described. The sealant composition has ethylene-octene copolymers, a maleic anhydride modified polyolefin, an ethylene-vinyl acetate copolymer, at least one inert filler, at least one moisture scavenger, and at least one stabilizing or antioxidant preserving agent.

Abstract: Disclosed herein is a thermally conductive composition, comprising 20 to 80 wt % of a thermoplastic or thermosetting polymer; 10 to 70 wt % of a metal hydroxide; and a polymeric char forming agent, where the polymeric char forming agent provides the thermally conductive composition with a flame retardancy of V-0 at a thickness of 1.5 millimeters or less when tested as per a UL-94 testing protocol; where the weight percents are based on a total weight of the thermally conductive composition.

Abstract: Provided is a fluororubber composition which does not deteriorate workability during roll kneading, does not cause foaming during crosslinking and molding, and is capable of giving a crosslinked molded article which exhibits desired hardness and sealing property without using a reinforcing inorganic filler such as carbon black and silica. The fluororubber composition includes, relative to 100 parts by weight of a vinylidene fluoride-copolymerized, fluorine-containing elastomer copolymer having a glass transition temperature and a melting point, no reinforcing inorganic filler, 5 to 100 parts by weight of a PTFE filler, 0.5 to 10 parts by weight of a polyol crosslinking agent, 1 to 15 parts by weight of magnesium oxide, and 0.1 to 2 parts by weight of hydrotalcite. Preferably, 0.1 to 10 parts by weight of a quaternary onium salt crosslinking accelerator is further included.

Abstract: A method is described for improving the processability and surface appearance of products containing plastic recovered from waste plastic material mixtures.

Abstract: Polymer composition featuring very high light reflectance after heat and light treatment suitable for the manufacture of light emitting diode (LED) components. Such polymer composition includes at least one polyester, at least one inorganic additive (A) and at least one inorganic additive (B) including magnesium oxide, barium oxide, cerium oxide (IV) and calcium oxide.

Abstract: Methods and compositions are provided that relate to cementing operations, including a method of cementing that may comprise providing a settable composition that may comprise wollastonite, pumice, a calcium-ion source, and water, wherein the wollastonite may be present in an amount in a range of from about 25% to about 75% by combined weight of the wollastonite and pumice, and wherein the pumice may present in an amount in a range of from about 25% to about 75% by combined weight of the wollastonite and pumice. Embodiments of the method further may comprise allowing the settable composition to set.

Abstract: Provided is a transparent pressure-sensitive adhesive agent convertible into an adhesive agent that allows adherends to be instantly fixed to each other, allows the adherends to be reattached to each other, is excellent in processability such as being able to be cut into a sheet shape, is not peeled from the adherends even when exposed to a high-temperature atmosphere such as one in a fire, and has such transparency as to hardly impair the designs of the adherends. The transparent pressure-sensitive adhesive agent convertible into an adhesive agent has pressure-sensitive adhesive property before being sintered, and has adhesive property after being sintered.

Abstract: The disclosure provides a melt processible theromoplastic composition, comprising a major proportion of a base polymer comprising a first melt processible thermoplastic polymer having a first Fedor's solubility parameter and a first viscosity; and a combination of a carrier polymer and a surface modifying additive, the carrier polymer comprising a second melt processible thermoplastic polymer which has a second Fedor's solubility parameter that is at least about 2.5 (J/cm3)1/2 lower than the first Fedor's solubility parameter, and a second viscosity, the carrier polymer being adhered to the surface modifying additive, and wherein the first viscosity is at least about 10 times the second viscosity.

Abstract: A method for producing polymeric balls or polymeric beads doped with at least one metal element is provided. The method may comprise the following steps: a) a step for forming polymeric balls or beads by polymerization, in an organic phase comprising a polymerization initiator, of at least one ethylenic monomer comprising at least one chelating ligand of at least one metal element; and b) a step for putting said polymeric balls or beads in contact with a solution comprising at least one metal element.

Abstract: Provided are a resin composition for general-purpose LED reflectors, which discolors little through thermal deterioration and is excellent in heat discoloration resistance, which can provide an LED lamp using it and having a long life, which is relatively inexpensive and has good storage stability, and which is excellent in handleability and workability, and an LED reflector and an LED luminaire using the resin composition.

Abstract: Flexible polyolefin compositions with improved balance of properties particularly for applications where softness and ductility at low temperature is requested comprising: A) from 20 to 40% by weight of a crystalline polymer fraction consisting of a propylene homopolymer, or a copolymer of propylene, or mixtures thereof, said crystalline fraction having a xylene insoluble fraction at 25° C. of at least 90% by weight. B) from 60 to 80% by weight of an elastomeric fraction consisting of a copolymer or blend of copolymers of propylene with one or more alpha-olefins, and optionally with minor quantities of a diene; said copolymer or blend containing ethylene in a quantity lower than 40% by weight. the fraction soluble in xylene at 25° C. of said polyolefin composition having IVgpc lower than 2.5 dl/g, Mw/Mn (GPC) equal to or higher than 4, Mz/Mw (GPC) equal to or higher than 2.

Abstract: The present invention relates to an aqueous dispersion primer, a coating produced therewith and a method for the production of a vapour barrier or of an intermediate layer. The aqueous dispersion primer based on a polymer for cement and/or other subfloors is characterised in that it contains in an aqueous dispersion the following materials: a) ?23% by weight of silanised styrene-acrylate copolymer and b) ?7.5% by weight of vinylidene chloride-acrylate copolymer and c) ?0.5% by weight of styrene-butadiene copolymer-paraffin wax mixture and d) ?0.5% by weight of additives, the percentage data relating to the mass of the dispersion primer, ready for handling.

Abstract: What is described is a transparent polyamide-imide based on one or more different imido-dicarboxylic acids (AB) or derivatives thereof, and cycloaliphatic diamines (C) comprising 6 to 24 carbon atoms, wherein the imido-dicarboxylic acids (AB) or derivatives thereof are selected from the group of imido-dicarboxylic acids (AB) having the following structural formulas: wherein: ASL=(CH2)5-11, phenylene, (ylomethyl)phenyl, bis(ylomethyl)benzene, cyclohexanediyl, (ylomethyl)cyclohexyl, bis(ylomethyl)cyclohexane, cyclopentanediyl, (ylomethyl)cyclopentyl, bis(ylomethyl)cyclopentane, R?OH, O-alkyl, O-aryl, Cl, NH-ASL-COOH, Br, O—(CO)-alkyl, O—(CO)-aryl, R1=H, methyl, ethyl, propyl, with the provision that the ring can be substituted once or twice, and, with double substitution of the ring, the two substituents can be selected from the group, but may be different, and also moulding compounds based thereon, a method for production, and uses.

Abstract: One embodiment is a composition comprising water; starch; natural fibrous materials; one or more additives to improve certain properties such as heat transfer, microbial resistance, scavenging activity or shelf life; a mold release agent; flavoring agents; coloring agents; and/or wax emulsions, proteins, or other natural polymeric compounds to adjust the product properties for particular applications.

Abstract: A polysiloxane resin composition contains: a first polysiloxane having an average compositional formula of R4a(OR5)b(OH)cSiO(4-a-b-c)/2; a second polysiloxane different from the first polysiloxane and selected from cyclic polysiloxane, linear polysiloxane with a weight average molecular weight of less than 3000, and a combination thereof; a white pigment; an inorganic filler; and a catalyst.

Abstract: A resin composition includes (A) 100 parts by weight of poly(phenylene oxide) resin with styrene end group; (B) 5 to 75 parts by weight of olefin copolymer; and (C) 1 to 150 parts by weight of cyanate resin with poly(phenylene oxide) functional group. The resin composition is characterized by specific composition and proportion conducive to achieving a low dielectric constant, a low dielectric loss, and a high thermal tolerance and preparing a prepreg or a resin film, thereby being applicable to copper-clad laminates and printed circuit boards.

Abstract: A moisture scavenger composition to address the processing of moisture sensitive materials or high moisture content materials in melt processable feed stocks. The moisture scavenger includes a desiccant, an elastomeric dispersant, and an optional hydrophillic synergist.

Abstract: The thermoplastic resin in accordance with the present invention includes a unit (A) by 25 mol % to 60 mol %, the unit (A) having a biphenyl group, a linear unit (e.g., a linear aliphatic hydrocarbon chain) (B) by 25 mol % to 60 mol %, and a unit (C) by 1 mol % to 25 mol %, the unit (C) having a substituent selected from the group consisting of non-fused aromatic groups, fused aromatic groups, heterocyclic groups, alicyclic groups, and alicyclic heterocyclic groups, each of which has an effect of folding a main chain.

Abstract: The present invention relates to a curable silicone rubber composition for various types of water supply components used in contact with water. The present invention also relates to a cured product of this composition, a water resistant cured silicone rubber, and use thereof. The present invention imparts good water resistance to a silicone rubber component used in contact with water, and the present invention prevents or decreases the occurrence of whitening or similar visual appearance failures, and the occurrence of insufficient strength to withstand high temperature steam.

Abstract: The invention relates to filled polyamide molding compounds which, in addition to a selected polymer mixture comprising two different polyamides, contain long glass fibers with a non-circular cross-sectional area. Furthermore, the invention relates to the use of such molding compounds for the production of molded articles and the molded articles themselves.

Abstract: A resin composition includes solid brominated epoxy resin of 20-70 wt %, a hardener of 1-10 wt %, a promoter of 0.1-10 wt %, inorganic powder of 0.01-20 wt %, high thermal conductivity powder of 5-85 wt % closest packed by Horsfield packing model and a processing aid of 0-10 wt %; the resin composition possesses high glass transition temperature ranged from 169° C. to 235° C. measured by DSC, high thermal conductivity ranged from 5.7 W/m·K to 14.2 W/m·K, and excellent heat resistance as well as flame retardancy. The resin composition, which acts as a dielectric layer of a printed circuit board so as to endow the PCB with high thermal conductivity, is a high thermal conductivity prepreg formed by retting or a high thermal conductivity coating formed by coating. As a result, prompt dissipation of heat generated by electronic components on the PCB is achievable so that service life and stability of the electronic components are improved.

Abstract: The vulcanizable rubber mixture according to this invention is used for rubber products in particular vehicle tires and vehicle tire treads, but also technical rubber products like belts on conveyor systems, technical hoses, vibration dampers and impact dampers, or wire coatings. All these products benefit from the improved processability that is achieved with the invention in that the mixture comprises a polymer represented by the formula F1-A-F2, or a mixture of F1-A-F2 with an astral or radial coupling product of F1-A-units, coupled by a multivalent coupling agent; wherein F1 represents a terminal functionalization of the polymeric chain, F2 represents a terminal functionalization different from F1; and A represents the polymeric chain of a polymer formed by the copolymerization between one or more conjugated dienes with one or more aromatic vinyl monomers.

Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.

Abstract: The present invention provides a polyamide composition for a reflector having high heat resistance and good mechanical properties, having excellent adhesion to a sealing material for an LED package, and capable of retaining a high reflectance even after exposure to heat and light intended for the production process of the LED package and the environment in which the reflector is used in the LED package, when it is molded. The present invention is a polyamide composition for a reflector, containing: 30 mass % or more of a polyamide (A) having a melting point of 280° C. or higher; and 25 mass % or more of titanium oxide (B). The total content of the polyamide (A) and the titanium oxide (B) is 75 mass % or more.

Abstract: A thermosetting silicone resin composition for reflector of LED has an organopolysiloxane represented by the following average compositional formula, and has at least two alkenyl groups in one molecule, a linear organohydrogen polysiloxane represented by the following formula and/or a branched organohydrogenpolysiloxane represented by the following formula, an addition reaction catalyst, a white pigment selected from titanium oxide, zinc oxide, magnesium oxide, barium carbonate, magnesium silicate, zinc sulfate and barium sulfate, and an inorganic filler other than Component, R1aR2bR3c(OR0)dSiO(4-a-b-c)/2??(1) R7eR8fHgSiO(4-e-f-g)/2??(3). There can be a thermosetting silicone resin composition which provides a cured product excellent in heat resistance and light resistance, less leakage of light to outside, and particularly suitable for a matrix array reflector.

Abstract: Disclosed herein are compositions comprising a. from 35 to 80 vol % of a thermoplastic polymer; b. from 5 to 45 vol % of a low thermally conductive, electrically insulative filler with an intrinsic thermal conductivity of from 10 to 30 W/mK; c. from 5 to 15 vol % of a high thermally conductive, electrically insulative filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK; and d. from 5 to 15 vol % of a high thermally conductive, electrically conductive filler with an intrinsic thermal conductivity greater than or equal to 50 W/mK, wherein the composition is characterized by: i. a thermal conductivity of at least 1.0 W/mK; and ii. a volume resistivity of at least 107 Ohm.cm. Also disclosed are articles and methods of use therefor.

Abstract: The present disclosure provides an exoergic filler composition which is able to exert superior exoergic property, and a resin composition, a grease, and a coating composition which having superior exoergic property, respectively, by using the above-mentioned exoergic filler composition. The exoergic filler composition contains 1 to 50 volume % of a needle-shaped zinc oxide having an average long diameter of 0.1 to 10 ?m, an average short diameter of 0.025 to 2.5 ?m, aspect ratio defined by (average long diameter)/(average short diameter) of 4 or more and specific surface area according to BET method of 50 m2/g or less, and 50 to 99 volume % of other exoergic filler.

Abstract: The present invention provides an inexpensive infrared reflecting black pigment which comprises Fe and Mn but comprises no harmful elements, and exhibits an excellent infrared reflecting property. The infrared reflecting black pigment according to the present invention comprises a compound comprising Fe, Mn and at least one element selected from the group consisting of Mg, Al, Ca, Si, Sr and Ba, and has a blackness (L* value) of not more than 30 and a solar radiation reflectance of not less than 15%.

Abstract: A fluorine-containing anti-corrosive coating is prepared by using fluororubber as basic film-forming substance, adding auxiliary agent, reinforcing agent and additive, kneading to obtain fluorine mixed compound, dissolving in organic solvent to obtain component A solution of the mixed compound; and while using it, mixing the component A solution with silane coupling agent as component B at a certain proportion, curing at low temperature and obtaining the fluorine-containing coating.

Abstract: A glass composition including Si02 in an amount from about 70.6 to about 79.6% by weight, AI2O3 in an amount from about 10.0 to 18.5% by weight, MgO m an amount from about 10.0 to about 19.0% by weight, CaO in an amount from about 0.1 to about 5.0% by weight, Li20 in an amount from 0.0 to about 3.0% by weight, and Na20 in an amount from 0.0 to about 3.0% by weight is provided. In exemplary embodiments, the glass composition is free or substantially free of B2O3 and fluorine. The glass fibers have a specific modulus between about 3.40×107 J/kg and 3.6×107 J/kg. Glass fibers formed from the inventive composition possess exceptionally an exceptionally high modulus and a low density, which make them particularly suitable in applications that require high strength, high stiffness, and low weight, such as wind blades and aerospace structures.

Abstract: Disclosed is a paving material which is useful to accommodate efficient movement of heavy loads, including but not limited to heavy loads necessitated by large-scale agricultural operations. Also disclosed is a process for producing such a paving material.

Abstract: A polyamide resin composition includes (A) a polyamide resin in an amount of about 30 to about 80% by weight, (B) inorganic filler in an amount of about 10 to about 60% by weight, (C) white pigment in an amount of about 5 to about 50% by weight; and (D) photostabilizer in an amount of about 0.05 to about 2 parts by weight and (E) inorganic fine particles in an amount of about 0.05 to about 3 parts by weight, wherein each of (D) and (E) is based on about 100 parts by weight of the polyamide resin (A). The polyamide resin composition can have good light reflectance and yellowing resistance.

Abstract: The present disclosure provides an exoergic filler composition which is able to exert superior exoergic property, and a resin composition, a grease, and a coating composition which having superior exoergic property, respectively, by using the above-mentioned exoergic filler composition. The exoergic filler composition contains 1 to 50 volume % of a needle-shaped zinc oxide having an average long diameter of 0.1 to 10 ?m, an average short diameter of 0.025 to 2.5 ?m, aspect ratio defined by (average long diameter)/(average short diameter) of 4 or more and specific surface area according to BET method of 50 m2/g or less, and 50 to 99 volume % of other exoergic filler.

Abstract: A thermoplastic fluoropolymer composition comprising at least one semi-crystalline polymer (A) comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g and from 0.05 to 5% by weight, based on weight of said semi-crystalline polymer (A), of particles of at least one inorganic UV blocker compound, said particles having an average particle size of 1 to 150 nm, said composition being suitable for manufacturing UV-opaque films having outstanding transparency and haze properties.

Abstract: A canopy sheet material for use over growing plants such as grape or berry or other fruit vines has higher water permeability in a longitudinally extending substantially center lengthwise part (33) than in lengthwise side parts (34). In use rain falling on the canopy runs down the side parts (34) and drains through the center part (33) to approximately the center of each tree or vine which keeps water away from the fruit under the less water permeable side parts (34).

Abstract: HVAC and building and construction components are molded from novel compositions that meet the flame spread and smoke index, as well as the molding, safety, strength, and aesthetic requirements for this use. These compounds are based on a polyester resin and more specifically can be an polypropylene glycol dicyclopentadiene copolymerized with maleic anhydride, a low profile additive and hydroxy ethyl methacrylate monomer with additional additives including an appropriate catalyst package, a mold release agent, a thickening agent, a loading of aluminum hydroxide which is from about 40 to 65% by weight, and having a loading of glass fibers of from about 10 to about 25%.

Abstract: Provided is a polyolefin resin composition including: an ultra-high crystalline polypropylene resin, e.g. about 40-80 wt %, having an isotactic index of about 99.5 or higher; a branched polypropylene, e.g., about 10-20 wt %, having a branching index of about 7 or higher; a thermoplastic elastomer, e.g., about 1-20 wt %; an inorganic filler, e.g., about 1-30 wt %; and a fluoroacrylic copolymer-based amide polymer compound, e.g., about 2-6 wt %.

Abstract: HVAC and building and construction components are molded from novel compositions that meet the flame spread and smoke index, and the molding, safety, strength, and aesthetic requirements for this use. In a further embodiment, these compounds also promote better indoor air quality by inhibiting the growth of microbial contaminants within and on the surface of products molded therefrom. These compounds are based on thermoset resin, e.g. a polyester resin which preferably can comprise a polypropylene glycol dicyclopentadiene copolymerized with maleic anhydride, a low profile additive and hydroxy ethyl methacrylate monomer with additional additives including an appropriate catalyst package, a mold release agent, a thickening agent, a loading of aluminum hydroxide which is from about 40 to 65% by weight, having a loading of glass fibers of from about 10 to about 25% and preferably containing a silver ion containing antimicrobial agent, such as soluble glass containing silver ions.

Abstract: A thermoplastic resin composition comprises (A) about 30 to about 50% by weight of a thermoplastic resin, and (B) about 50 to about 70% by weight of a spherical magnesium oxide, wherein the thermal diffusivity of the thermoplastic resin composition in the horizontal or vertical direction is about 0.065 to about 0.20 cm2/sec and the ratio of thermal diffusivity of the horizontal direction : vertical direction is about 1:0.5 to about 1:1. A thermoplastic resin composition according to a second embodiment comprises (A) about 30 to about 50% by weight of a thermoplastic resin, and (B) about 50 to about 70% by weight of a spherical magnesium oxide, wherein the spherical magnesium oxide is treated on its surface with a silane compound.

Abstract: A polyphenylene sulfide resin composition comprises (A) about 30 to about 50% by weight of a polyphenylene sulfide resin; (B) about 1 to about 5% by weight of an amorphous polyamide resin; and (C) about 45 to about 69% by weight thermally conductive insulating fillers.

Abstract: The present invention relates to a flame retardant polymer composition comprising (A) a polyethylene, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) a polypropylene in an amount of 0.1 to 10 wt. % with respect to the total composition, to an article comprising said flame retardant polymer composition, in particular to a wire or cable comprising a layer made of said flame retardant composition and to the use of said flame retardant polymer composition for the production of a layer of a wire or cable. Furthermore, the invention relates to the use of a polypropylene in the production of a flame retardant layer for a wire or cable as a processing aid.

Abstract: To provide a rubber composition capable of sufficiently abrading a sealing lip while sliding it in an initial stage of rotation and sufficiently reducing a running torque, and further capable of securing a sufficient sealing property. The composition includes a first compounding ingredient which is one or more kinds selected from the group consisting of calcium carbonate, magnesium oxide, aluminum oxide and barium sulfate in an amount of 50 to 200 parts by mass based on 100 parts by mass of a rubber component, and a second compounding ingredient which is one or two kinds selected from the group consisting of carbon black and a silica in an amount of more than 0 parts by mass and 50 parts by mass or lower.

Abstract: The present invention provides a golf ball comprising a core and a cover covering the core, wherein the cover is formed from a cover composition containing a non-petroleum based polyester resin as a resin component (A) and a needle-like and/or fibrous filler (B). The present invention further provide a golf ball comprising a core and a cover covering the core, wherein the cover is formed from a cover composition containing, a non-petroleum based polyester resin (A-1), at least one petroleum based thermoplastic resin (A-2), and a compatibilizer (C) containing at least a (meth)acrylic resin (C-1) having a polar functional group and an olefin resin (C-2) having a polar functional group. According to the present invention, durability, abrasion resistance and repulsion of a golf ball can be improved.

Abstract: The present invention relates to polyurethane polymers comprising as part of its polymer backbone biobased ?-hydroxyfatty acids or derivatives thereof, processes for the preparation thereof, and compositions thereof having improved properties. The polyurethanes of the present invention are prepared from copolyester prepolymers comprising the biobased ?-hydroxyfatty acids that may also contain additional components that can be selected from aliphatic or aromatic diacids, diols and hydroxyacids obtained from synthetic and natural sources. The biobased ?-hydroxyfatty acids that comprise the polyurethanes and copolyester prepolymers of the present invention are made using a fermentation process from pure fatty acids, fatty acid mixtures, pure fatty acid ester, mixtures of fatty acid esters, and triglycerides from various sources.

Abstract: The present invention relates to polymers, nanomaterials, and methods of making the same. Various embodiments provide an amphiphilic multi-arm copolymer. The copolymer includes a core unit and a plurality of amphiphilic block copolymer arms. Each block copolymer arm is substituted on the core unit. Each block copolymer arm includes at least one hydrophilic homopolymer subunit and at least one hydrophobic homopolymer subunit. In some examples, the copolymer can include a star-like or bottlebrush-like block copolymer, and can include a Janus copolymer. Various embodiments provide a nanomaterial. In some examples, the nanomaterial can include Janus nanomaterials, and can include nanoparticles, nanorods, or nanotubes. The nanomaterial includes the amphiphilic multi-arm copolymer and at least one inorganic precursor. The inorganic precursor can be coordinated to at least one homopolymer subunit of one of the amphiphilic block copolymer arms to form the nanomaterial.

Abstract: The presently disclosed subject matter is directed to a polymeric film that comprises at least one odor absorbent layer. Specifically, the odor absorbent layer can comprise polyvinylidene chloride polymer and magnesium oxide, magnesium salt, magnesium hydroxide, zeolite, or combinations thereof. The use of the disclosed film in ostomy pouches and other medical products is also described.

Abstract: An object of the present invention is to provide a urethane resin composition that has excellent coating workability and storage stability not causing gelation with time and that can form a cured product such as a coating that has excellent heat resistance. The present invention relates to a urethane resin composition includes an alcohol-soluble urethane resin (A) having a hydrolyzable silyl group, inorganic particles (B), and an alcohol (C), in which the inorganic particles (B) have a functional group [Y] that can react with a functional group [X] generated from the hydrolyzable silyl group of the urethane resin (A), a coating material and an adhesive that contain the urethane resin composition, and a formed body obtained by using the urethane resin composition.

Abstract: The present invention aims to provide a curable resin composition which gives a cured product having a low linear expansion coefficient. The curable resin composition of the present invention contains, as essential components, (A) an organic compound having at least two carbon-carbon double bonds reactive with SiH groups per molecule, (B) a compound containing at least two SiH groups per molecule, (C) a hydrosilylation catalyst, (D) a silicone compound having at least one carbon-carbon double bond reactive with a SiH group per molecule, and (E) an inorganic filler.

Abstract: The present invention relates to a process for forming a polymeric composition composed of a fluoropolymer and of zinc oxide (ZnO) of nanometric size from an acrylic masterbatch. The polymeric composition is intended for the manufacture of films transparent in the visible region and opaque to UV radiation. More particularly, in the composition according to the invention, the filler is present in a proportion by weight of 0.1 to 10%, preferably of 0.5 to 6%, the ZnO particles have a size ranging from 25 to 40 nm, preferably from 30 to 35 nm, these particles have a surface treatment and the said composition is devoid of acrylic polymers.

Abstract: The glass flake of the present invention has a composition that includes, in terms of mass %, 60<SiO2?65, 8?Al2O3?15, 47?(SiO2—Al2O3)?57, 1?MgO?5, 18?CaO?30, 0<Li2O?4, 0<(Li2O+Na2O+K2O)?4, and 0?TiO2?5, and that is substantially free from B2O3, F, ZnO, BaO, SrO, and ZrO2.