Abstract: A process is useful for producing optical molding materials on the basis of methyl methacrylate (MMA), wherein this MMA has been produced by an optimized method and the molding materials feature in particular a very low yellowness index. This MMA has been produced by direct oxidative esterification of methacrolein. In particular, an optimized workup of the reactor output from the oxidative esterification of methacrolein is useful for removing particularly discoloring byproducts. This process moreover has the advantage that fewer demands than described in related art are placed on plant apparatus configuration.

Abstract: A three-dimensional (3D) printing composite build material composition includes a polymer particle and an inorganic particle. The polymer particle is an aliphatic polyamide. The inorganic particle has an average particle size ranging from about 1 ?m to about 100 ?m. A mass ratio of the polymer particle to the inorganic particle in the composite build material composition ranges from about 5:2 to about 1:3.

Abstract: A cable includes a conductor, an insulation coating layer on the conductor, and an outer coating layer on the insulation coating layer. The insulation coating layer is made of a composition containing 100 parts by mass of a base polymer (A) and 100 to 250 parts by mass of a non-halogen flame retardant. The polymer (A) contains 70% to 99% by mass of an ethylene-vinyl acetate copolymer (a1) containing an ethylene-vinyl acetate copolymer having a melting point of 70° C. or higher, and 1% to 30% by mass of an acid-modified polyolefin resin (a2) having a glass transition point of ?55° C. or lower. The polymer (A) contains 25% to 50% by mass of a vinyl acetate component derived from the copolymer (a1). The outer coating layer is made of a composition containing 100 parts by mass of a base polymer (B) and 150 to 220 parts by mass of a non-halogen flame retardant.

Abstract: A water-resistant calcium sulphate based body comprises a matrix of crystalline calcium sulphate anhydrite, crystals of the matrix being connected to one another by water-resistant phosphate bonding zones, optionally also containing aluminum. The body can be produced by impregnating a porous calcium sulphate with a source of phosphate ions (optionally containing aluminum), and then calcining. Alternatively, a paste comprising calcium sulphate and a source of phosphate ions (optionally containing aluminum) is heated or compressed to form a ‘green body’ and then calcined to produce the body.

Abstract: Polystyrene blends and methods of making polystyrene blends including combining a styrene monomer and an epoxy-functional comonomer to form a combined mixture, subjecting the combined mixture to polymerization to obtain a polystyrene copolymer and combining the polystyrene copolymer with a biodegradable polymer to obtain a polystyrene blend.

Abstract: The present invention is a flame-retardant polyurethane composition comprising (a) a thermoplastic polyurethane-based resin component, (b) a phosphorus flame retardant particulate filler, and (c) a low melting temperature phosphorus flame retardant agent.

Abstract: An intumescent coating composition and a process for curing the coating to obtain an intumescent coating is provided. The intumescent coating composition contains a thermoplastic polymer which comprises as a copolymerized component, an acid (meth)acrylate or a copolymerizable polyfunctional carboxylic acid; at least one ethylenically unsaturated monomer; an azo or organic peroxide initiator; an acid source; a carbon source; and a gas source.

Abstract: The invention relates to silicone resins. It also relates to the preparation of organopolysiloxanes and to their use in a thermoplastic or thermosetting organic polymer or thermoplastic blends or thermosetting organic polymer blends or rubbers or thermoplastic/rubbers blends composition to reduce the flammability or enhance scratch and/or abrasion resistance of the organic polymer composition. It further relates to coatings made of such silicone resins for scratch resistance enhancement or flame retardant properties.

Abstract: A curable compound is provided, which can be obtained as a mixture of at least two components to be stored separately, of which one component includes a silane-modified polymer and the component of a second component includes an acid or basic salt containing water of crystallization. An aminic adhesion promoter is contained in one or both components or a further component, with the stipulation that no component contains all three substances. Additionally, a method is provided for accelerating the curing of a silane-modified polymer, in which an acid or basic salt containing water of crystallization is added to the silane-modified polymer.

Abstract: The invention relates to silicone resins comprising metallosiloxane which contains Si—O-Metal bonds or borosiloxane containing Si—O—B bonds and potentially Si—O—Si and/or B—O—B bonds. It also relates to the preparation of such silicone resins and to their use in thermoplastic or thermosetting organic polymer or rubber or thermoplastic/rubber blends compositions to reduce the flammability or enhanced scratch and/or abrasion resistance of the organic polymer compositions. It further relates to coatings made of such silicone resins for scratch resistance enhancement or flame retardant properties.

Abstract: A composition, preferably a halogen-free, flame retardant composition, comprising in weight percent based on the weight of the composition: A. 1 to 90% TPU polymer, B. 1 to 90% polyolefin polymer, preferably a polar polyolefin polymer, C. 1 to 60% phosphorus-based, intumescent flame retardant, D. 0.5 to 25% liquid phosphate modifier, e.g., bis-phenol-A-polyphosphate, and E. Optional additives and/or fillers. The compositions exhibit excellent strain and scratch whitening performance in combination with excellent burn performance, good flexibility and tensile properties, and good fabrication extrusion characteristics including improved surface smoothness.

Abstract: A fire retardant intumescent coating composition is disclosed, which includes expandable graphite, an aromatic polyamine resin, and a phosphorous-containing compound. An overlay for applying to a wood substrate is also disclosed, which includes a core layer comprising a substrate and a resin composition, a top layer on one side of the core layer comprising the fire retardant intumescent coating composition, and an optional bottom layer on the opposite side of the core layer from the top layer. A process of forming the overlay is also disclosed, which includes applying the resin composition to the core layer substrate to form a resinated core layer, and applying a coating composition on the resinated core layer, directly or indirectly, to form the top layer; wherein the coating composition comprises expandable graphite, an aromatic polyamine resin, and a phosphorous-containing compound.

Abstract: An ink formulation comprises a binder and at least one marking component, which comprises at least one metal oxide or oxyanion and at least one oxidizing/reducing agent, which absorbs laser irradiation between wavelengths of 780-10,600 nm, thereby causes the formulation to change color.

Abstract: A fire retardant material comprising preferably at least 60% polypropylene having a flexural modulus of 2.8 GPa or above and a fire retardancy rating of UL-94 V-1 or better. The fire retardant material is preferably halogen and glass-fibre free. It may contain a fire retardant agent (e.g. a polymeric APP-crystal phase II type fire retardant fire retardant) and a filler. Also methods for producing such a fire retardant material.

Abstract: The invention relates to a flame retardant composition, wherein the following components: a) At least one flame retardant component selected from the group consisting of phosphinic acid salts and nitrogen containing compounds; and b) At least one polymeric dispersing agent selected from the group consisting of styrenemaleic acid anhydride copolymers, long chain carboxylic acid salts and aliphatic polyether substituted by acidic groups; and c) A polymer substrate; are present.

Abstract: Disclosed herein is a blend comprising: (a) 5 to 50 percent by weight of the micronized poly(phenylene ether), wherein the mean particle size of the poly(phenylene ether) is 9 microns or less; (b) 50 to 95 percent by weight of a thermoplastic polyurethane; wherein the weight percents are based on the total weight of the blend. Also disclosed are processes for preparing such blends as well as articles derived therefrom.

Abstract: The invention relates to a formulation suitable to provide polyurethane, the formulation comprising (a) at least one polyurethane forming mixture; (b) at least one phosphate component selected from the group consisting of ammonium polyphosphate (APP) and melamine phosphates, and mixtures thereof, and; (c) at least one metal or metalloid oxide particle having a maximum particle size of less than 300 ?m, wherein the metal or metalloid is selected from the group consisting of Mg, and Al, and wherein said at least one phosphate component is present in an amount ranging from 20 to 45% by weight based on 100% by weight of the formulation.

Abstract: An aqueous binder for an inorganic fiber heat-insulating sound-absorbing member is cured by heating at low temperatures and is capable of providing a strong binder cured product. The inorganic fiber heat-insulating sound-absorbing member is produced by applying an aqueous binder to inorganic fibers and heating the resulting inorganic fibers at 180-220° C. The aqueous binder contains 5.5-10 parts by mass of an ammonium salt of an inorganic acid per 100 parts by mass of the total of an acrylic resin that has an acid value of 350-850 mgKOH/g and a crosslinking agent that contains at least one alkanol amine. The ratio of the total mole number of hydroxy groups, amino groups and imino groups in the crosslinking agent relative to the mole number of carboxyl groups in the acrylic resin is 0.8-1.5. The pH of the aqueous binder is adjusted to 5.0-8.0 by a basic compound.

Abstract: Disclosed is a fire-retardant, non-corrosive, insect-resistant, fungus-resistant composition comprising a first flame-retardant agent, a preservative composition, a second flame-retardant agent, a third flame-retardant agent, and a liquid melamine formaldehyde resin adhesive. The composition is to be used for topical application to articles using a spray device, where a layer of a desired thickness is applied.

Abstract: A flame-retardant composition having (a) a copolymer comprising at least about 50 wt. % of propylene-derived units, and about 5-35 wt. % of units derived from at least one of ethylene or a C4-10 alpha-olefin, wherein the copolymer has a heat of fusion of about 75 J/g or less; and (b) a flame retardant, wherein the composition satisfies the requirements of UL94 with a V2 rating.

Abstract: An outer casing for an electric device is obtained by molding a flame-retarded resin composition including a resin component containing 50% by weight or more of poly(lactic acid) and/or a lactic acid copolymer, of which each is an environmental resin, and silica-magnesia catalyst particles and a polyphosphate salt as flame retardance-imparting components which impart flame retardancy, wherein the combined content of the silica-magnesia catalyst particles and the polyphosphate salt is 10% by weight or less of the total weight of the flame-retarded resin composition.

Abstract: A fire retardant intumescent coating composition is disclosed, which includes expandable graphite, an aromatic polyamine resin, and a phosphorous-containing compound. An overlay for applying to a wood substrate is also disclosed, which includes a core layer comprising a substrate and a resin composition, a top layer on one side of the core layer comprising the fire retardant intumescent coating composition, and an optional bottom layer on the opposite side of the core layer from the top layer. A process of forming the overlay is also disclosed, which includes applying the resin composition to the core layer substrate to form a resinated core layer, and applying a coating composition on the resinated core layer, directly or indirectly, to form the top layer; wherein the coating composition comprises expandable graphite, an aromatic polyamine resin, and a phosphorous-containing compound.

Abstract: A coated yarn prepared by coating a polyolefin yarn with a coating composition comprising a polyolefin resin and a flame retardant is provided, wherein the polyolefin is selected from the group consisting of a polyethylene resin, a polyethylene copolymer resin, a polypropylene resin and a polypropylene copolymer resin. The coated yarn can readily be recycled to produce a coreless yarn useful as a flooring material or other industrial materials, which improves the flame retardancy of conventional non-PVC coated yarns. A fabric woven from the coated yarn is useful in the preparation of a blind, a flooring material, wall paper, household items and other interior elements.

Abstract: There is provided a thermoplastic polymer composition excellent in the balance among mechanical strength, elongation at break, flexibility and heat resistance, and an article including the composition, and an electric wire and electric cable having an insulator and/or a sheath including the composition. The thermoplastic polymer composition includes 1 to 350 parts by mass of a filler (D) with respect to 100 parts by mass of polymer components that comprise 50 to 90% by mass of an ethylene/unsaturated ester copolymer (A); 1 to 40% by mass of a propylene-based polymer (B) having a melting point as measured by differential scanning calorimetry (DSC) of from 120 to 170° C.; and 1 to 49% by mass of a propylene-based polymer (C) having a melting point as measured by differential scanning calorimetry (DSC) of lower than 120° C. or not being observed, provided that the total amount of (A), (B) and (C) is 100% by mass.

Abstract: An ammonium phosphate containing fire retardant is combined with a fluoropolymer and/or a penetrating barrier, borate-containing formulation having resistance to water damage with protective properties coming from materials such as used in food packaging and cosmetics and/or a medium-to-long chain polar carboxyl substance, and/or a medium-to-long chain polar carboxyl substance without borate, so as to make a composition. The composition can be aqueous. It can be a liquid of light to moderate viscosity, or may be a concentrated or dried version, which may contain a neutral ammonium phosphate and perhaps other ingredient(s) such as a mold inhibitor, an insecticide, a stain protector, and so forth and the like. The mold inhibitor can have especial activity against toxic black mold (Stachybotrys chartarum). The insecticide may be a termiticide.

Abstract: A high-frequency copper claded laminate for use in an operational frequency of at least 1 GHz possesses properties of dielectric constant (Dk) less than 3.2, dissipation factor (Df) less than 0.005, high glass transition temperature, high thermal stability and low moisture absorption; the laminate contains a tack-free prepreg constituted by a reinforcement impregnated with an inventive resin mixture at least comprising a high-molecular-weight polybutadiene resin, a low-molecular-weight polybutadiene resin, a modified thermosetting polyphenylene ether resin and an inorganic powder; and particularly the tack-free prepreg can be processed into the copper claded laminates through automated layup processing to satisfy a long-felt but unmet needs in the filed of producing copper claded laminate.

Abstract: Compositions of and processes for preparing a polyamine-polyamidoamine-epihalohydrin resin generally include reacting a first polyamine, a polyamidoamine, and an epihalohydrin to form the polyamine-polyamidoamine-epihalohydrin (PPAE) resin, wherein the polyamidoamine is prepared by reacting a polycarboxylic acid or a polycarboxylic acid derivative with a second polyamine to form the polyamidoamine, wherein a molar ratio of the polyamine to the polycarboxylic acid is 1.05 to 2.0. The PPAE resin can be used in an adhesive formulation for use in creping applications for forming paper products such as tissue products.

Abstract: Phosphorus-calcium-strontium compound of formula (I); method for preparing same; composition for the extemporaneous preparation of a cement comprising a solid phase (SP) and a liquid phase (LP), wherein the solid phase comprises a mixture of inorganic compounds of formula (II); use as an endodontic cement.

Abstract: Disclosed herein is a composition for preparing a halogen-free flame retarding masterbatch with low phosphorous content. The flame retarding masterbatch includes a phosphorus-containing flame retardant in an amount of about 0.1-6 wt %, a sulfur-containing flame retardant in an amount of about 0.1-5 wt %, a tertiary or quaternary ammonium salt having tri- or tetra-functional groups in an amount of about 0.1-5 wt %, a thermoplastic polymer in an amount of about 79-99.6 wt %, and a dispersing agent in an amount of about 0.1-5 wt % in the composition.

Abstract: A pulverulent composition that is a powder containing at least one polymer, and at least one flame retardant that contains ammonium polyphosphate, the powder having a maximum particle size of ?150 ?m and a median particle size of from 20 to 100 ?m.

Abstract: The present invention generally relates to a process for preparing stabilized polymeric systems with excellent light, thermal and oxidation stability using a redox formulation containing an oxidizing agent, a reducing agent, and/or nano-additives, and the polymer articles made therefrom.

Abstract: A polyurethane resin composition comprising (A) a polycarbonate base polyurethane resin, (B) a P and N-containing non-halogen flame retardant, (C) a polyhydric alcohol, and (D) a silicone containing at least two reactive functional groups in the molecule obviates the problems of safety, environment and price and has sufficient flame retardance and improved mechanical properties such as tensile strength and elongation.

Abstract: Fire retardant or flame retardant additives are incorporated into thermoplastic, thermoset, and/or elastomeric polymer materials to form polymer compositions having improved fire retardant properties. More particularly, the polymer compositions of the present invention comprise additive compositions which have the effect of improving the FR effectiveness, the additive compositions comprising a mesoporous silicate additive. In addition, the polymer compositions of the present invention comprise additive compositions comprising a mesoporous silicate additive and a filler, wherein the filler is a flame retardant addition, an inert filler, or combinations thereof.

Abstract: The invention relates to flame-retardant compositions and related processes, fabrics, and textiles. Flame retardant compositions of the invention are anionic, exhibit superior durability, have a solids content and particle size that is particularly advantageous for fabric and textile manufacturing, exceed the flammability standards imposed by NFPA Standard 701 or NFPA Standard 705, and prove non-toxic over prolonged periods of exposure. Significantly, flame retardant compositions of the invention incorporate, and are made by processes that use, ammonium polyphosphate.

Abstract: Composite Maillard-resole binders to produce or promote cohesion in non-assembled or loosely assembled matter.

Abstract: The present invention is a flame-retardant polyurethane composition comprising (a) a thermoplastic polyurethane-based resin component, (b) a phosphorus flame retardant particulate filler, and (c) a low melting temperature phosphorus flame retardant agent.

Abstract: Disclosed is a flame-retardant composition comprising (i) 40-66 wt. % alkenyl aromatic resin, (ii) 9-33 wt. % ammonium polyphosphate and (iii) 14-40 wt. % cellulosic material, wherein all weights are based on the total weight of the composition and wherein ammonium polyphosphate and cellulosic material are present in a weight % ratio effective to provide molded articles exhibiting at least V-1 flame rating as determined according to the UL-94 protocol. A process to prepare the composition and articles comprising a composition of the invention and/or made by the process of the invention described herein are also disclosed.

Abstract: Disclosed herein is a composition for preparing a halogen-free flame retarding masterbatch with low phosphorous content. The flame retarding masterbatch includes a phosphorus-containing flame retardant in an amount of about 0.1-6 wt %, a sulfur-containing flame retardant in an amount of about 0.1-5 wt %, a tertiary or quaternary ammonium salt having tri- or tetra-functional groups in an amount of about 0.1-5 wt %, a thermoplastic polymer in an amount of about 79-99.6 wt %, and a dispersing agent in an amount of about 0.1-5 wt % in the composition.

Abstract: [Problem] A method by which a flame proofing property can easily be provided to polyester fiber having long-term stable color and excellent mechanical properties, particularly, a resin composition and a flame proofing method needed for flame retardant spun-dyed polyester fiber which is excellent in light resistance and durability, and is capable of coloring any of various colors, and also, is environment-friendly, are strongly desired. ?Solution? There is provided a flame retardant spun-dyed polyester fiber obtained by melt-spinning a flame retardant polyester resin composition comprising a flame retardant comprising at least one inorganic phosphorus-nitrogen based compound selected from the group consisting of ammonium polyphosphate, melamine polyphosphate and phosphazenes; colorant; and thermoplastic polyester resin, characterized in that content of said inorganic phosphorus-nitrogen based compound is 0.1 to 12% by mass, content of said colorant is 0.

Abstract: The invention relates to an intumescent body, made from a non-intumescent polymer material providing the form of the body and a coating material applied to the polymer material. According to the invention, the polymer material together with the coating material provides an intumescent system in which the polymer material forms a carbon-donor material.

Abstract: The invention concerns flexible high thermomechanical stress-resistant and fire retardant halogen-free thermoplastic compositions, comprising a polyamide block-graft copolymer consisting of a trunk and on average at least one polyamide graft, wherein the grafts are bound to the trunk by the residues of an unsaturated monomer (X) having a function capable of reacting with a polyamide at the amine-terminal, the unsaturated monomer residues (X) being bound on the trunk by grafting or copolymerization from the double bond thereof. The invention is characterized in that the compositions comprise a mixture: 50 to 70 wt. % of polyamide block copolymer, 25 to 35 wt. % of a flame-retardant agent selected among ammonium phosphates, phosphinates, pyrophosphates, and polyphosphates, about 2 wt. % of zeolite, or hydrotalcitemolecular sieves.

Abstract: Novel polyester composition comprising a polyester, wherein said polyester comprises structural units derived from substituted or unsubstituted diacid or diester, a substituted or unsubstituted diol; a phosphorus containing compound and at least one selected from a stabilizer and an organic compound comprising at least one functional group is been disclosed. In addition methods for the preparation of the polyester composition and articles derived from said composition is disclosed.

Abstract: The present invention relates to a flame-retardant mixture comprising (A) at least one polyurethane as component A, (B) at least one flame retardant selected from the group consisting of tallow, ammonium phosphate, ammonium polyphosphate, calcium carbonate, antimony oxide, zinc borate, clay, montmorillonite clay, metal oxides, metal hydroxides, organic phosphinate compounds, organic phosphate compounds, polyhydric alcohols, melamine compounds, chlorinated polyethylene, and mixtures thereof, as component B, and (C) at least one crosslinking reagent as component C, where the at least one crosslinking reagent is at least one isocyanate dissolved in at least one polyurethane, and also to a process for the production of a flame-retardant polyurethane, to the resultant flame-retardant polyurethane, and also to the use of a solution of at least one isocyanate in at least one polyurethane in the production of a flame-retardant polyurethane for increasing the mechanical stability of flame-retardant polyurethanes.

Abstract: A pulverulent composition that is a powder containing at least one polymer, and at least one flame retardant that contains ammonium polyphosphate, the powder having a maximum particle size of ?150 ?m and a median particle size of from 20 to 100 ?m.

Abstract: A thermoplastic composition comprises poly(arylene ether) having an initial intrinsic viscosity greater than 0.25 dl/g as measured in chloroform at 25° C.; a polyolefin having a melt temperature greater than or equal to 120° C. and a melt flow rate of 0.3 to 15; a first block copolymer having a aryl alkylene content greater than or equal to 50 weight percent based on the total weight of the first block copolymer; a second block copolymer having an aryl alkylene content less than 50 weight percent based on the total weight of the second block copolymer; and a flame retardant, wherein the poly(arylene ether) is present in an amount greater than the amount of polyolefin. The composition is useful in the production of covered wire.

Abstract: An intumescing, multi-component epoxide resin coating composition for fire protection with a component (A), which contains at least one epoxide resin and at least one vinyl ester, a curing agent component (B), which contains at least one curing agent for the epoxide resin, and an intumesing component (C), which contains at least one acid constituent, at least one source of carbon and at least one gas-forming agent, components (A) and (B) being kept separate from one another to prevent reaction and reacting with one another with polymerization only while being mixed, as well as the use of this coating composition for providing steel construction elements with a fire protection coating.

Abstract: A fiber size composition contains a modified polyolefin, a hydrophilic coupling agent, a boron-containing, fluorine-containing compound, a blend of at least two fatty acids and a compound selected from phosphorus(V) compounds and sulfur(VI) compounds, the fiber size composition being substantially free of conventional lower oxidation state antioxidants and optical brighteners. Composite materials produced from reinforcing fiber materials sized with a fiber size composition according to the invention exhibit improved properties such as, for example, increased strength and/or improved color stability.

Abstract: Described are coating compositions for marking substrates comprising a) a solvent, b) a salt of a phosphorus or boron containing acid and an amine or imine, c) a salt of a non-phosphorus and non-boron containing acid and an amine or imine, d) a binder, and e) optionally additional ingredients, their manufacture and use, wherein the above-mentioned salts can also be present in an encapsulated form as a kind of pseudo-pigment. Substrates coated by the above compositions can be marked by laser irradiation.

Abstract: The present invention relates to a powder which, in addition to a polymer, comprises a flame retardant based on ammonium polyphosphate, to the use of this powder for the layer-by-layer production of moldings, and also to moldings produced from this powder. The moldings constructed using the inventive powder have marked advantages with regard to their flammability, when comparison is made with conventional products, and this permits use in aircraft, for example.

Abstract: A flame retardant agent for a thermoplastic resin, which enables the thermoplastic resin containing the flame retardant agent to keep its viscous property, to be made into a fiber readily, and to exhibit flame retardant effect even when ammonium dihydrogen phosphate is contained in the flame retardant agent as a non-halogen flame retardant component. Also disclosed is a flame retardant resin composition containing the flame retardant agent. Specifically, the flame retardant agent for a thermoplastic resin comprises ammonium dihyrogen phosphate, potassium hydroxide, glycerin and urea, wherein potassium hydroxide is contained in an amount of 10 to 70 parts by weight, glycerin is contained in an amount of 0.1 to 4.0 parts by weight, and urea is contained in an amount of 1 to 9 parts by weight relative to 100 parts by weight of ammonium dihydrogen phosphate.