Abstract: This invention provides polyurethane foams containing a brominated flame retardant. Also provided are formulations and methods for preparing polyurethane foams containing a brominated flame retardant.

Abstract: The invention relates to flame-retardant flexible polyurethane foams with phosphazene and to methods for producing PUR flexible foams by reacting a component A containing: A1, an isocyanate-reactive component, A2, a propellant containing water, A3, optionally auxiliary agents and additives, and A4, a flame retardant, with B, an isocyanate component. The invention is characterized in that the flame retardant A4 contains a phosphazene according to the formula (I): [PmNmXk] (I), where X independently of one another represents O-aryl or NR-aryl, at least one aryl group is substituted, X can represent a bridge, R is selected from the group of H, C1-C4 alkyl, and aryl, and m represents a number from 1 to 5, particularly preferably 3 or 4, k depends on m and represents a number from 0 to 2m, and the phosphazene does not have any groups which are reactive towards isocyanates.

Abstract: The present invention relates to a process for producing flame-retarded polyurethane foams, in particular flexible polyurethane foams, using halogen-free flame retardants, wherein the resulting flame-retarded polyurethane foams exhibit low emission values coupled with good mechanical properties. The present invention further relates to halogen-free flame retardants.

Abstract: This composition for a soft polyurethane foam contains a polyol component, an isocyanate component, a foaming agent, a cell opening agent, and a catalyst. The catalyst is a C11 or higher amine and the cell opening agent is a polyol in which the content of ethylene oxide is more than 50 mol %.

Abstract: The present invention relates to thermoplastic olefin elastomer expanded beads, having an average aspect ratio of 1.10 or less and an average circularity of 0.985 or more. The thermoplastic olefin elastomer expanded beads preferably have a crystal structure such that a melting peak inherent in the thermoplastic olefin elastomer (inherent peak) and one or more melting peaks on a higher temperature side than the inherent peak (high temperature peaks) appear on a DSC curve obtained when heating the expanded beads from 23° C. to 200° C. at a heating rate of 10° C./min.

Abstract: To provide a core material for a fiber reinforced composite having an excellent workability upon being composited with a fiber reinforcing material. A core material for a fiber reinforced composite of the present disclosure comprises a molded product of expanded beads containing a thermoplastic resin, and having a heat shrinkage onset temperature of 80° C. or higher, a linear expansion coefficient of 10×10?5 mm/mm·° C. or less, and a ratio of change in dimensions with heating at 130° C. of ?4.0% to 0%.

Abstract: Described herein are solid and foamable fluoropolymer alloy compositions and foamed articles using said foamable fluoropolymer alloy compositions. The foamable fluoropolymer alloy compositions can comprise a fluoropolymer, and a plastic polymer mixed with said fluoropolymer, wherein said plastic polymer is miscible with said fluoropolymer. The fluoropolymer alloy composition may further comprise a foaming agent. By way of example, the foaming agent can be talc or a talc derivative, or a mixture of talc (or talc derivative) with a citrate compound, such as a citrate salt. One or more additives are added to render the compositions flame retardant and/or smoke suppressant.

Abstract: A method of reducing aldehyde concentration in a vehicle cabin air, the method includes applying a solution comprising aldehyde scavenger(s) onto an outer surface of a foam article located or to be located within a vehicle cabin to form a top layer of the article such that aldehyde species are trapped within the article and prevented from being released into the cabin air.

Abstract: The present invention is in the field of an improved separation process for mixed polymers, typically provided in a waste stream, comprising a polyamide (PA) and a polyethylene terephthalate (PET). The process is a relatively simple process wherein PA and PET are heated to a temperature above 150° C. in an alcohol, water is added and the PA and PET are separated thereafter by filtering.

Abstract: An aqueous solvent solution of an imide group-containing compound which contains an imide group-containing compound produced by partial hydrolysis of a polyimide molded article is provided. Provided are an aqueous solvent solution of an imide group-containing compound and a method for producing the same including steps of: (1) preparing a polyimide molded article by cutting the polyimide molded article into a predetermined size, (2) hydrolyzing the polyimide molded article at temperature conditions of 50 to 100° C. in the presence of water and a basic compound to have a crude imide group-containing compound in solution state, (3) purifying the crude imide group-containing compound in solution state to have an imide group-containing compound in semi-solid state, and (4) dissolving the imide group-containing compound in semi-solid state, an aqueous solvent, and a predetermined alkali compound to have a predetermined aqueous solvent solution.

Abstract: A process for the production of a multiple-walled carbon nanotube (MWCNTs) suspension in a polymeric matrix is described, the suspension being obtained by the process, and different uses of the suspension, including use for impregnation of fabrics and pre-preg products and for formation of electrically conductive coatings or coatings which have vibration damping properties of mechanical parts to which they are applied.

Abstract: Disclosed are compositions of fillers coated with adhesion promoting material alone, or also coated with an additive, processes for producing the coated fillers, the fillers obtained from those processes, and methods of using the coated fillers. The filler particle(s) are surface-treated with a component which assists in the adhesion/adherence of an additive to the filler particles, resulting in the desired additive-coated fillers. The filler, adhesion promoting material and additive can be mixed in slurry and dried, and the resulting filler particles are directly useful in many applications, such as paper coatings, plastic compositions (both foamed and non-foamed), inks, paints, cosmetics, textiles and the like, wherever such fillers now find application. Preferably, the additive is a colorant.

Abstract: Provided are an epoxy resin composition including hexagonal boron nitride particles having an aspect ratio of 2 or more, a liquid crystalline epoxy monomer, and a curing agent, and the epoxy resin composition being capable of forming a resin matrix having a smectic domain by reacting the liquid crystalline epoxy monomer with the curing agent, and a thermally-conductive material precursor, a B-stage sheet, a prepreg, a heat dissipation material, a laminate, a metal substrate, and a printed circuit board, which use the epoxy resin composition.

Abstract: The disclosure relates to a polyolefin composition comprising two phenolic stabilizers, one of them being unsubstituted in ortho position to the hydroxyl group of the phenol, the other being bisubstituted. Such a polyolefin composition has been found to be very resistant against Chlorine Dioxide.

Abstract: A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.

Abstract: An impact-modified composition and a method of making an impact-modified composition are provided. In an embodiment, the method includes reacting a phosphazene material with an acrylamide material to form a functionalized phosphazene material; initiating a polymerization reaction on a reaction mixture comprising the functionalized phosphazene material and one or more monomers to form an impact-modified phosphazene material; and adding the an impact-modified phosphazene material to a polymeric material.

Abstract: Fiber-containing composites are described that contain woven or non-woven fibers, and a cured binder formed from a binder composition that includes (1) a reducing sugar and (2) a crosslinking agent that includes a reaction product of a urea compound and a polycarbonyl compound. Exemplary reaction products for the crosslinking agent may include the reaction product of urea and an ?,?-bicarbonyl compound or an ?,?-bicarbonyl compound. Exemplary fiber-containing composites may include fiberglass insulation.

Abstract: Methods include producing a plurality of carbon particles in a plasma reactor, functionalizing the plurality of carbon particles in-situ in the plasma reactor to promote adhesion to a binder, and combining the plurality of carbon particles with the binder to form a composite material. The plurality of carbon particles comprises 3D graphene, where the 3D graphene comprises a pore matrix and graphene nanoplatelet sub-particles in the form of at least one of: single layer graphene, few layer graphene, or many layer graphene. Methods also include producing a plurality of carbon particles in a plasma reactor; functionalizing, in the plasma reactor, the plurality of carbon particles to promote chemical bonding with a resin; and combining, within the plasma reactor, the functionalized plurality of carbon particles with the resin to form a composite material.

Abstract: A coated fiber for polymer reinforcement is disclosed. The coated fiber comprises a fiber and a coating disposed about said fiber. The fiber has a denier of from about 250 to about 3,000. The coating comprises a branched polyethylene imine. The fiber is present in the coated fiber in an amount of from about 80 to about 99.8 percent by weight and the coating is present in the coated fiber in an amount of from about 0.2 to about 20 percent by weight, with percent by weight based on the total weight of the coated fiber. A method of producing the coated fiber is also disclosed.

Abstract: In some variations, the present invention provides an oil-resistant paperboard material coated with hydrophobic nanocellulose. The paperboard material is free of a fluorocarbon coating. In other variations, an oil-resistant paper is coated with hydrophobic nanocellulose and is free of a fluorocarbon coating. The hydrophobic nanocellulose may include lignin-coated cellulose nanofibrils, lignin-coated cellulose nanocrystals, or a combination thereof.

Abstract: A cellulose nanofiber-supporting inorganic powder includes a cellulose nanofiber and an inorganic powder, wherein the cellulose nanofiber is supported on the inorganic powder. Thus, the cellulose nanofiber may be readily and uniformly dispersed in a resin or rubber composition, and, by adding to the composition, a cellulose nanofiber-supporting inorganic powder is capable of improving the physical properties of a resin or a rubber.

Abstract: The invention relates to a process for producing a blend of a thermoplastic starch and a polyolefin using a first extruder comprising successive zones comprising a first zone, a second zone, a third zone and a fourth zone and a second extruder comprising successive zones comprising a first zone, a second zone, a third zone and a fourth zone, the process comprising the steps of: 1 a) introducing a polyolefin and a compatibilizer in the first zone of the first extruder, 1 b) melt mixing the polyolefin and the compatibilizer in the second zone of the first extruder, 1 c) adding a thermoplastic starch to the mixture of step 1 b) in the third zone of the first extruder and 1 d) melt-mixing the mixture of step 1 c) in the fourth zone of the first extruder to obtain the blend, wherein the thermoplastic starch is produced in the second extruder by a process comprising the steps of: 2a) introducing starch in the first zone of the second extruder, 2b) adding a plasticiser to the mixture of step 2a) in the second zone o

Abstract: According to the tire of the present invention having a tread composed of a rubber composition comprising, based on 100 parts by mass of a rubber component, 1 to 20 parts by mass of an ethylene-propylene-styrene copolymer, wherein the composition ratio thereof is 10 to 60% by mass of ethylene, 10 to 60% by mass of propylene, and 5 to 40% by mass of styrene; and 3 to 100 parts by mass of carbon black, a tire having a tread composed of a rubber composition excellent in chipping resistance can be provided.

Abstract: A silane based additive, rubber formulations including the additive and tires having tread portions made with the additive, together with methods of forming those products, are provided. Uncured rubber formulations in accordance with preferred embodiments of the invention comprise (1) a rubbery primary polymer or polymer blend, such as natural rubber and/or synthetic rubber; (2) reinforcing silica filler; (3) a network forming monomer or polymer, especially a thermosetting network forming moiety, for forming a secondary polymeric network; and (4) a silane containing one or more moieties of the aforementioned network forming polymer. In particular networks which can be generated in-situ are preferred. The cured rubber formulation should comprise the silica, having the secondary polymer network coupled thereto, within the rubber matrix, and not directly to the rubber chains via sulfidic linkages.

Abstract: A rubber composition for vibrationproof rubber that comprises a natural rubber wet masterbatch comprising one or more natural rubbers and one or more carbon blacks in an amount of 5 to 100 parts by mass for 100 parts by mass of the natural rubber(s), and the rubber composition comprising a compound represented by the following formula (I) in an amount of 0.1 to 5 parts by mass when a total amount of one or more rubber components that is/comprise the natural rubber(s) is regarded as 100 parts by mass: in which R1 and R2 each represent a hydrogen atom, and an alkyl group, alkenyl group or alkynyl group that has 1 to 20 carbon atoms and R1 and R2 may be the same as or different from each other, and M+ represents a sodium ion, potassium ion or lithium ion.

Abstract: Disclosed is a rubber composition for a tire tread comprising 1 to 30 parts by mass of a hydrogenated terpene-phenolic resin per 100 parts by mass of a diene rubber component containing 30 parts by mass or more of emulsion-polymerized styrene-butadiene rubber having a glass transition temperature of ?50° C. or lower. Disclosed is a pneumatic tire having a tread comprising the rubber composition.

Abstract: A masterbatch formulation comprising from 40 to 82.5 wt. % of a polyolefin resin; from 0.5 to 10 wt. % of a hydrophilic fumed silica, wherein the hydrophilic fumed silica has a specific surface area of 30 m2/g to 750 m2/g; and greater than or equal to 17 wt. % of an anti-dripping agent.

Abstract: A polyethylene blend comprising a uniform dispersion of constituents (A) and (B): (A) a Ziegler-Natta catalyst-made linear low density polyethylene and (B) a metallocene catalyst-made linear low density polyethylene, a composition comprising the polyethylene blend and at least one additive, methods of making and using same, and manufactured articles and films comprising or made from same.

Abstract: A molded in-color composition comprising a thermoplastic olefin resin composition, a compatibilizer composition, and one or more pigments. The molded in-color composition has: (i) a ?L* value within ?1.0 to 0 of a L* value for a standard, wherein the L* value for the standard is about 24.85; (ii) a ?a* value within ±0.3 of a a* value for a standard, wherein the a* value for the standard is about ?0.09; (iii) a ?b* value within ±0.3 of a b* value for a standard, wherein the b* value for the standard is about ?0.74, and (iv) a ?E* value?1.0. Articles made from the molded in-color composition include a variety of articles, including but not limited to, at least parts of an automobile.

Abstract: The present invention provides a soft multimodal random heterophasic polypropylene composition (m-Raheco) with improved stiffness and impact behaviour while maintaining optical properties. The multimodal random heterophasic polypropylene composition (m-Raheco) is suitable as material for injection moulding, e.g. for thin walled injection moulded articles. The present invention also describes specific propylene random copolymers as modifiers or compatibilizers in polyolefins and their according use.

Abstract: A composition including a melt blend of at least one thermoplastic elastomer (TPE) and at least one non-crosslinked elastomer and optionally at least one catalyst for catalyzing chain extension and/or crosslinking and/or coupling reactions of the at least one non-crosslinked elastomer. Further, a method for producing a polymer composition, to a shaped article including a substrate layer composed of the composition, to a method producing a shaped article, and to a method for covering a roof using the shaped articles.

Abstract: A scratch-resistant thermoplastic polymer composition (P) comprising 88 to 99.9 wt.-% of at least one styrene-based copolymer, 0.1 to 5 wt.-% of at least one modified organopolysiloxane compound, and optionally at least one colorant, dye or pigment, and/or at least one further additive, provides with improved properties.

Abstract: A grafted polyvinyl alcohol polymer has a balance between hydrophilicity and hydrophobicity. The grafted polyvinyl alcohol polymer has a chemical functionality that allows for adsorption onto the pulp fibers, polymer film formation upon drying, repelling water upon wetting, polymer film swelling and breaking for prolonged wetting by water. When incorporated into paper products, the polymer can provide a paper having improved wet strength, temporary water repellency, and/or is dispersible in aqueous solutions.

Abstract: The present invention relates to a thermoplastic resin composition showing excellent transparency and whitening resistance. The thermoplastic resin composition of the present invention comprises (A) a graft copolymer having a multilayer structure and (B) a thermoplastic copolymer, wherein the graft copolymer having a multilayer structure (A) comprises a core of a conjugated diene-based rubber latex having a weight average particle diameter of 500 ? to 2,000 ?; an intermediate layer; and a graft layer. The glass transition temperature of the intermediate layer is 40° C. or less, the glass transition temperature of the graft layer is 80° C. or more, and the refractive index difference between the graft copolymer (A) and the thermoplastic copolymer (B) is less than 0.01.

Abstract: Surface structure modification is achieved for an acrylate block copolymer thermoplastic elastomer by the addition of an organo-functional polydimethyl siloxane but also without loss of clarity.

Abstract: The invention is directed to a rubber composition comprising a block copolymer of a conjugated diene monomer and benzofulvene, and a pneumatic tire comprising the rubber composition.

Abstract: The present disclosure provides a polyester composition suitable for ultrasonic welding and preparation method thereof, the composition includes the following components in parts by weight: 30˜50 parts of poly(1,4-cyclohexylene dimethylene terephthalate), 40˜60 parts of ABS, 5˜10 parts of a melt enhancer, 0.1˜1 parts of an antioxidant, and 0.1˜1 parts of a lubricant. Compared with the existing technologies, the polyester composition provided by the present disclosure improves melt strength by using the melt enhancer. The melt enhancer used is an ultra-high density polyethylene resin having a glycidyl methacrylate group after an irradiation treatment, so that the compatibility of the melt enhancer to the poly(1,4-cyclohexylene dimethylene terephthalate) is improved. In addition, by controlling a glass-transition temperature of the composition, no chipping is generated during ultrasonic welding, and the composition has a high welding strength, which is suitable for ultrasonic welding.

Abstract: The present invention aims to provide an epoxy resin composition that is high in both fast curability and storage stability, a prepreg prepared by using the epoxy resin composition, and a fiber reinforced composite material prepared by curing the prepreg. The epoxy resin composition contains the following components [A], [B], [C], and [D] and meets the following requirements [a], [b], and [c]: [A]: epoxy resin, [B]: dicyandiamide, [C]: aromatic urea, [D]: borate ester, [a]: 0.014?(content of component [D]/content of component [C])?0.045, [b]: 0.9?(number of moles of active groups in component [A]/number of moles of active hydrogen in component [B])?1.2, and [c]: 14?(content of component [A]/content of component [C])?25.

Abstract: A tablet form of an epoxy resin composition for encapsulation of semiconductor elements, where the tablet form of the epoxy resin composition: (i) includes 97 wt % or more of tablets having a diameter of 0.1 mm to less than 2.8 mm and a height of 0.1 mm to less than 2.8 mm, as measured using an ASTM standard sieve; (ii) satisfies the following Equation 1, ? ? ? D × ? ? ? H ? ? ? D + ? ? ? H ? 1.0 , where ?D is a standard deviation of tablet diameters and ?H is a standard deviation of tablet heights, as measured with respect to 50 tablets arbitrarily selected from the tablets; and (iii) the tablets have a compression density of 1.2 g/mL to 1.7 g/mL.

Abstract: A photosensitive resin composition is provided comprising (A) 100 pbw of a phenolic hydroxyl group-containing resin, and (B) 0.1-18 pbw of an epoxy additive in the form of a compound containing 1-8 epoxy groups per molecule, containing nitrogen, sulfur or phosphorus, and having a molecular weight of 50-6,000. The composition has an improved bonding force to metal wirings.

Abstract: The disclosure concerns thermoplastic resin compositions including a polymer resin, a dielectric glass fiber component, a hollow glass fiber, and an impact modifier.

Abstract: A curable film-forming composition is provided, comprising: (a) a polymeric binder comprising reactive functional groups; (b) a curing agent comprising functional groups that are reactive with the reactive functional groups of (a); and (c) a polysiloxane resin comprising aromatic functional groups and terminal active hydrogen groups. In certain examples of the present invention, the polymeric binder (a) comprises an acrylic polyol prepared from a monomer mixture comprising a hydroxyl functional monomer, and the curable film-forming composition further comprises a rheology modifier comprising: (1) a non-aqueous dispersion of an internally crosslinked organic polymer; (2) a silica dispersion; and/or (3) a reaction product of an amine and an isocyanate. Also provided are coated substrates that include the curable film-forming compositions described above and methods for forming a composite coating on a substrate.

Abstract: An aqueous binder composition is provided for use in the formation of fiber insulation and non-woven mats that comprises a reaction product of one or more Liquid Polyol Monomers; itaconic acid, its salts or anhydride; and a C4 to C6 polyol selected from the group consisting of pentaerythritol, trimethylol propane, neopentyl glycol, and mixtures thereof. The molar ratio of the combined alcohols (Liquid Polyol Monomers and C4 to C6 polyols) to itaconic acid is at least 2:1, wherein the molar ratio of Liquid Polyol Monomers to C4 to C6 polyols is from about 1:1 to about 30:1.

Abstract: The present invention provides a reinforced polycarbonate resin composition having all of excellent strength, impact resistance, heat resistance, flame retardancy and thermal stability. A reinforced polycarbonate resin composition which contains 100 parts by weight of a resin composition composed of (A) 50 to 95 parts by weight of a polycarbonate resin (component A) and (B) 5 to 50 parts by weight of a fibrous filler (component B) and (C) 2 to 45 parts by weight of a fluororesin (component C-I) or 2 to 45 parts by weight of a fluororesin (component C-II), wherein (I) the fluororesin (component C-I) is a copolymer containing polymerization units respectively represented by general formulae [1] and [2] and has a melting point of 200 to 280° C., and (II) the fluororesin (component C-II) is a copolymer containing polymerization units respectively represented by general formulae [1] and [2], has a melting point of 240 to 300° C., and has a 5% weight loss temperature of 470° C.

Abstract: Polymers are disclosed that incorporate portions of secondary or tertiary polyamide segments connected with polyisocyanates. These polymers have enhanced matting properties. The enhanced matting properties are from creating an inherently matt surface from the polymer without the use of any separate fine particle size matting additives. Conventional matting agents such as fine particle size silica usually results in loss of physical properties such as haze development and porosity in the coating from the matting agent. Composites and hybrids of these polymers and other polyamides, polyurethane with vinyl polymers (acrylates) are also disclosed and claimed.

Abstract: Disclosed are ethylenically unsaturated macromers produced using a residue of an isocyanate manufacturing process. Also disclosed are preformed stabilizers produced using such macromers, polymer polyols produced using such preformed stabilizers, foam-forming compositions produced using such polymer polyols, and foam produced using such compositions.

Abstract: A process for preparing a thermoplastic resin, the process comprising providing and mixing a polyamide resin, a silicone elastomer and a radical initiator, wherein the silicone elastomer comprises a polydiorganosiloxane gum having a plasticity of at least 10 and having on average at least 2 alkenyl groups per polymeric chain, and the radical initiator is present in the range of 0.01 to 5 weight percent based on the weight of the silicone elastomer, wherein the weight ratio of the silicone elastomer to polyamide is from 0.5:99 to 60:40. Thereafter, dynamically vulcanizing the mixture described just above at an elevated temperature to cure the silicone elastomer.

Abstract: A thermoplastic composition includes a polyetherimide having a glass transition temperature of greater than 180° C., a block poly(ester-carbonate), and a flow promoter. The respective amounts of each component are further described herein. A method of preparing the thermoplastic composition includes melt-mixing the components, and extruding the components. Articles comprising the thermoplastic composition are also described.

Abstract: A curable formulation containing a metal aprotic organosilanoxide compound of formula (I): {R1—Si(R2)(R3)—[O—Si(R4)(R5)]m—O}n-M1(?L)o(X1)p (I), wherein M1 is a metal atom Al, Ce, Fe, Sn, Ti, V, or Zr, a polymerizable organosilicon compound, an organosilicon crosslinker for crosslinking the polymerizable organosilicon compound, and a silicon-based adhesion promoter. Also included is a cured product of curing the curable formulation; a manufactured article containing or prepared from the curable formulation or cured product; and methods of making and using the foregoing. The cured product may be free-standing or disposed on a substrate.

Abstract: A rubber composition for an inner liner that has a carbon black and a modified silicone oil having a silanol group at a molecular terminal thereof can give a vulcanized rubber excellent in air permeability resistance and resistance to fatigue from flexing. This rubber composition can give a vulcanized rubber which can be restrained from being lowered in air permeability resistance and which is excellent in resistance to fatigue from flexing even when the rubber composition contains a process oil.