Abstract: The polyester-based resin composition of the present invention comprises a polyamide resin, a polyester resin containing an antimony compound and a compound selected from the group consisting of inorganic acid salts and hydroxides of group-1 or -2 metals of the periodic table and transition metals. In the polyester-based resin composition, the phosphorus atom concentration, the antimony atom concentration, and the blending ratio of the inorganic acid salt or hydroxide to the phosphorus compound are regulated so as to satisfy the specific relationships to effectively prevent the darkening due to the deposition of antimony metal, thereby providing the polyester-based resin composition having excellent gas barrier properties and a good appearance with minimized darkening.

Abstract: One embodiment of an intumescent composition comprises a halogenated polymer, antimony oxide, and intercalated graphite, while one embodiment of an intumescent additive mixture comprises antimony oxide and intercalated graphite. One embodiment of the method of making an intumescent composition comprises melt blending a halogenated polymer with antimony oxide, and intercalated graphite.

Abstract: Stabilized polyester compositions comprising: (A) a thermoplastic polyester; (B) antimony trioxide; and (C) a thiobisphenol phosphite comprising at least one stearically hindered tris[(hydroxyphenylthio)phenyl]phosphite.

Abstract: The invention relates to a capstock polymer composition comprising a blend of a melt extrudable acrylic polymer component; from 10% to 50% by weight of a halogen donor component; a halogen volatilisation component; and a char-inducing component which induces formation of a char upon application of flame to the composition.

Abstract: A polymeric material containing a halogen-containing polymer such as PVC, an inorganic hydroxide and, an acrylic material is described. The presence of the inorganic hydroxide provides a material of superior weathering resistance as compared to materials comprising halogen-containing polymers which do not contain hydroxide.

Abstract: The present invention is directed to the formation of a solid, dispersible flame retardant powder, by depositing solid flame retardant particles, via electrostatic and packing interactions, onto emulsified droplets of a melted wax, melted polymer, or organic solid carrier, or onto droplets of an organic liquid carrier. Additionally, the invention is directed to the use of such particles as flame retardants in a thermoplastic or the thermosetting polymer composition and coatings.

Abstract: An intumescent fire retardant polymeric composition includes a thermoplastic polymer and an intumescent and fire-resistant additive for the thermoplastic polymer having less than fifty percent by weight of a total weight of the composition.

Abstract: A composite reinforced thermoplastic sheet comprising a thermoplastic sheet and a fabric reinforcing layer adhered thereto, wherein the thermoplastic sheet comprises a polymer blend of ethylene-styrene interpolymer, polyolefin, and thermoplastic rubber and at least one fire retardant.

Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.

Abstract: A polyvinyl butyral composition is disclosed which is comprised of polyvinyl butyral resin containing an IR absorbing effective amount of lanthanum hexaboride or a mixture of lanthanum hexaboride and at least one of tin oxide and antimony tin oxide. Also disclosed are a sheet of the IR absorbing polyvinyl butyral and a glass laminate having the IR absorbing polyvinyl butyral sheet disposed between two sheets of glass.

Abstract: Disclosed is a flame retardant polybutyleneterephthalate resin prepared be copolymerizing a phosphorus-based flame retardant represented by the following formula I and a butyleneterephthalate unit: wherein R1 and R2 are different or the same and are methyl or butyl including a hydroxyl group.

Abstract: One embodiment of an intumescent composition comprises a halogenated polymer, antimony oxide, and intercalated graphite, while one embodiment of an intumescent additive mixture comprises antimony oxide and intercalated graphite.

Abstract: Inorganic particle/polymer composites are described that involve chemical bonding between the elements of the composite. In some embodiments, the composite composition includes a polymer having side groups chemically bonded to inorganic particles. Furthermore, the composite composition can include chemically bonded inorganic particles and ordered copolymers. Various electrical, optical and electro-optical devices can be formed from the composites.

Abstract: A moldable elastomeric intumescent material comprises chlorinated polyethylene, plasticizers, phosphate based foaming agents, char forming materials, antioxidants, intumescent materials, flame retardant materials, and graphite and/or expandable graphite. A curing agent, and optionally a co-curing agent or an accelerator, may further be incorporated into the material to improve the rigidity of the material when it is exposed to fire. The composition also possesses enhanced intumescence and flame retardancy properties by the addition of graphite, and preferably expandable graphite, to the composition.

Abstract: Hindered amines substituted on the N-atom with an —O—E—OH moiety are particularly effective in stabilizing polyolefin and automotive coating compositions against the deleterious effects of oxidative, thermal and actinic radiation where the presence of the OH group on the compounds adds important properties not attainable by the use of normal —O—E moieties.

Abstract: The invention relates to a flame-retardant thermoplastic composition which comprises at least (A) a thermoplastic polymer and (B) a flame-retardant system and which also contains (C) an n-alkanelactam-substituted polymer. Such a composition shows both a good flame retardancy, in particular a short afterflame time and little dripping, and also excellent mechanical properties. In particular, the n-alkanelactam-substituted polymer is a polyolefine, substituted with n-alkanelactam groups, with n being chosen from between 2 and 12. More in particular, the n-alkanelactam is polyvinyl pyrrolidone. Preferably, the thermoplastic polymer is a polycondensation polymer, in particular a polyamide, a polyester or a polycarbonate. Particularly suitable for use as the polyamide are PA-6, PA-6,6, PA-4,6 and semi-aromatic polyamides. The flame-retardant system may be both a halogen-containing and a halogen-free system.

Abstract: A highly flame retardant plasticized polyvinyl chloride compound (PVC) comprises a mixture of dialkyl tetrachlorophthalate and dialkyl tetrabromophthalate and is characterized by an absence of brittleness, and substantial flexibility at low temperatures as required for PVC formed jackets and insulation for wire and cable products.

Abstract: The present invention relates to laser-markable plastics, in particular thermoplastic polyurethanes, which are distinguished by the fact that they contain pigments having a coating of doped tin dioxide.

Abstract: A flame retardant polycarbonate composition includes (A) at least one polycarbonate and (B) a silsesquioxane flame retardant. The flame retardant polycarbonate composition can be made by providing a polycarbonate and incorporating a flame retardant amount of a silsesquioxane into the polycarbonate. An article can be molded from the composition.

Abstract: Disclosed is a method for preparing saturated polyester used in various molded products, such as films, synthetic fibers, vessels and housings. In particular, the method improves mechanical properties, including tensile strength or impact resistance, of saturated polyester. In DMT method or TPA method, the saturated polyester is synthesized through transesterification or esterification and polycondensation, in which metal compounds, such as metal acetate compounds, metal hydroxides, and metal oxides, are added in the larger amounts upon synthesis, and thus crystalline internal grains are formed, thereby improving the mechanical properties. As such, the metal compound can be used alone or in combination with a phosphorous-based compound.

Abstract: A flexible flame-retardant chlorinated polyolefin resin composition contains no plasticizer, generates almost no halogen-containing gas and no significant amounts of smoke during combustion. Uses thereof are also given. The chlorinated polyolefin resin composition comprises 50-95 parts of a chlorinated polyolefin, 50-5 parts of a copolymer of ethylene/a compound having ethylenic unsaturated groups/carbon monoxide (the total amount of this copolymer and the chlorinated polyolefin being 100 parts), 10-100 parts of a metal hydroxide, and 10-100 parts of calcium carbonate (“parts” herein indicates parts by weight); a formed article formed by shaping this chlorinated polyolefin resin composition; and a process for imparting flame retardancy using this chlorinated polyolefin resin composition.

Abstract: The present invention relates to A flame-retardant polyolefin composition or to a fiber that are comprised of (i) at least one polyolefin; (ii) a tris(tribromoneopentyl) phosphate; and (iii) afree radical source. The composition may further comprise an additional flame-retarding compound, which may be selected from an inorganic or an organic compound. It may further comprise ultra violet protectants. The invention is also related to a textile object comprised of a plurality of said fibers and to injection or extruded molded articles produced from said flame-retardant compositon.

Abstract: This invention relates to thermoplastic polymer compositions comprising a clay having drip resistance in the Underwriters Laboratories Standard 94 flammability test.

Abstract: The invention relates to a flame-retarded polyester composition comprising 20-95 mass % aromatic polyester; 4-25 mass % bromine-containing flame-retardant compound; 1-12 mass % antimony oxide of average particle size 0.5-15 micron; and optionally polytetrafluoroethylene; glass fibers; and other additives. The composition shows a desirable combination of high strength and toughness, good melt-flow characteristics, no blooming and can be laser-marked with improved contrast. The invention also relates to a molded part for use in electrical or electronic applications, which part may be provided with a dark marking on a lighter background surface. The invention also relates to a process for applying a laser mark, as well as to an article carrying a dark laser mark on a light background surface for use in electrical or electronic applications.

Abstract: The compositions of the present invention comprise at least one substantially random interpolymer (or blends with other thermoplastics), one or more flame retardant compounds and, optionally one or more flame-retardant synergists. For levels of flame retardants which yield a halogen content of about 0.05 to about 50 parts-per-hundred resin (phr), depending on whether the structure is foamed or not, which in turn result in LOI levels greater than or equal to about 23% oxygen, the compositions of the present invention unexpectedly still retain desirable mechanical properties such as compressive strength, toughness, and elasticity.

Abstract: This invention deals with the development of improved SMT performance flame retardant polyamide compositions. The compositions include replacing the poly bromostyrene or brominated polystyrene with a copolymer of a halostyrene and glycidyl (meth) acrylate. The resulting composition results in greatly improved blistering performance in Surface Mounting Technology Applications.

Abstract: A fire retardant polyamide composition comprising:

Abstract: A polyvinyl butyral composition is disclosed which is comprised of polyvinyl butyral resin containing an IR absorbing effective amount of lanthanum hexaboride or a mixture of lanthanum hexaboride and at least one of tin oxide and antimony tin oxide. Also disclosed are a sheet of the IR absorbing polyvinyl butyral and a glass laminate having the IR absorbing polyvinyl butyral sheet disposed between two sheets of glass.

Abstract: The invention relates to a polymer composition containing a polymer and, as an additive for making a dark laser marking, at least 0.1 wt. % antimony trioxide having an average particle size above 0.5 micrometer. The invention also relates to articles wholly or partly made of the polymer composition and to a process for applying a dark laser mark onto a light background of such article. The polymer composition according to the invention can be marked with laser light of wavelength 1064 nm.

Abstract: A composition including a fluorocarbon thermoplastic random copolymer, a bisphenol residue curing agent, a particulate filler having zinc oxide, antimony-doped tin oxide particles and aminosiloxane, the cured fluorocarbon thermoplastics random copolymer having subunits of: —(CH2CF2)x—, —(CF2CF(CF3)y—, and —(CF2CF2)z—, wherein x is from 1 to 50 or 60 to 80 mole percent, y is from 10 to 90 mole percent, z is from 10 to 90 mole percent; and x+y+z equals 100 mole percent.

Abstract: A diorganopolysiloxane/acrylate ester copolymer containing emulsion composition for fabric treatment cures at room temperature through removal of water with formation of flexible and highly flame retardant coatings that do not crack even at very low temperatures. Highly flame retardant fabrics can be provided by treatment with the emulsion composition. The emulsion composition contains (A) an emulsion of a copolymer of (a-1) an hydroxyl endblocked diorganopolysiloxane having at least two silicon bonded alkenyl groups in each molecule, and (a-2) an acrylate ester monomer; (B) colloidal silica; (C) a condensation catalyst, and (D) an inorganic flame retardant.

Abstract: A fuser member comprising a support and a layer overlying the support, the layer including a fluorocarbon thermoplastic random copolymer, a curing agent having a bisphenol residue, a particulate filler containing zinc oxide, an aminosiloxane, and antimony-doped tin oxide particles, the cured fluorocarbon thermoplastics random copolymer having subunits of: -(CH2CF2)x-, -(CF2CF(CF3)y-, and -(CF2CF2)z-, wherein x is from 1 to 50 or 60 to 80 mole percent, y is from 10 to 90 mole percent, z is from 10 to 90 mole percent, and x+y+z equal 100 mole percent.

Abstract: Certain polyamide molding compositions are disclosed having improved flame resistance and heat stability. These compositions comprise in weight percent, 20-78% polyamide having a melting point of 280-340° C.; 10-60% inorganic filler; 10-35% flame retardant (brominated or chlorinated); 1-10% antimony compound; 1-10% of one or more oxides, hydroxides, or salts of weak mineral acids, and combinations thereof; and 0-2% heat stabilizer.

Abstract: Certain polyamide molding compositions are disclosed having improved flame resistance and heat stability. These compositions comprise in weight percent, 20-78% polyamide having a melting point of 280-340° C.; 10-60% inorganic filler; 10-35% flame retardant (brominated or chlorinated); 1-10% antimony compound; 1-10% of one or more oxides, hydroxides, or salts of weak mineral acids, and combinations thereof; and 0-2% heat stabilizer.

Abstract: The present invention relates to a blend of polymeric materials comprising; (A) of from about 1 to about 80 percent by weight (based on the combined weights of Components A and B) of at least one substantially random interpolymer; wherein said interpolymer; (1) contains of from about 0.5 to about 50 mole percent of polymer units derived from; a) at least one vinyl or vinylidene aromatic monomer, or b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or c) a combination of at least one vinyl or vinylidene aromatic monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer; (2) contains of from about 50 to about 99.5 mole percent of polymer units derived from at least one aliphatic &agr;-olefin having from 2 to 20 carbon atoms; (3) has a melt index (I2) of from about 0.01 to about 100 g/10 min; and (4) has a molecular weight distribution (Mw/Mn) of from about 1.

Abstract: Disclosed is a select class of liquid crystalline polyesters and molding compositions comprising the polyesters and glass fiber. The liquid crystalline polyesters consist essentially of (1) diacid residues consisting essentially of (i) cyclohexanedicarboxylic acid residues and (ii) other diacid residues selected from terephthalic acid residues, 2,6-naphthalenedicarboxylic acid residues, or a mixture thereof; (2) diol residues consisting essentially of hydroquinone residues, 4,4′-biphenol residues or a mixture thereof; and, optionally, (3) p-hydroxybenzoic acid residues. In the above definition, the moles of diol residues are equal to the moles of diacid residues and the total of the (1), (2) and (3) mole percentages is equal to 100. The liquid crystalline polyesters have melting points determined by differential scanning calorimetry equal to or less than 360° C.

Abstract: A method for determining flame retardance of polymer compositions includes subjecting a plurality of specimens of a polymer composition to a flame test and performing a statistical analysis of the data obtained. The statistical analysis includes determining the probability of at least one possible outcome of the flame test. The probability of possible outcomes provides a measure of the flame retardance of the polymer composition. A preferred flame test is the UL-94 flame test.

Abstract: A flame retardant antistatic polyester resin composition having excellent flame resistance, antistatic properties, mechanical strength and heat resistance, which includes a thermoplastic polyester and, per 100 parts by weight of the thermoplastic, 1 to 35 parts by weight of a bromine-containing flame retardant, 0.1 to 5 parts by weight of an antimony compound, 3 to 12 parts by weight of a conductive carbon black, 0.05 to 30 parts by weight of a low molecular weight polyester compound and 0.1 to 5 parts by weight of a metal salt of an ionic hydrocarbon copolymer. The resin composition may further contain a reinforcing filler, a crystallizing accelerator or a polyfunctional compound reactive with either or both of hydroxyl groups and carboxyl groups.

Abstract: A moldable polyester composition comprising a sound damping amount of an isoprenoid rubber modifier.

Abstract: A paint composition includes from about 1 to about 41% by volume of a silicone caulking, from about 1 to about 41% by volume of mineral spirits and from about 18 to about 98% by volume of a paint. The paint composition provides good repellency against graffiti and is not sacrificial in nature.

Abstract: A formulation based on polyvinyl chloride compounds (PVC) particularly to high mechanical resistance compounds, specially with regard to abrasion. The composition does not have heavy metal based stabilizers and is used for insulation of thin wall automotive primary cable. The present invention includes a process to prepare said formulation.

Abstract: Disclosed is a flame-retardant resin composition for insulated wires, shielded wires and insulating tubes which are used in the field requiring high-frequency current transmission, for example, in the field of high-density wiring of internal circuits in electronic appliances. The composition comprises (a) a thermoplastic polyolefinic resin having a density of smaller than 0.89, which is prepared by copolymerizing ethylene and a non-polar &agr;-olefin in the presence of a single-site metallocene catalyst, (b) a halogen-containing flame retardant, and (c) zinc oxide. After crosslinking, the composition is used in forming an insulating coating for insulated wires and shielded wires, and in forming insulating tubes.

Abstract: In PVC polymer formulations for sheathing for electric wires and cables, it has been determined that antimony trioxide and divalent metal (e.g. zinc) stannate or hydroxystannate cat provide a synergistic flame-retardant additive combination. In this invention, polymer formulations using this flame-retardant additive combination contain not more than 1.5 wt. % of antimony trioxide.

Abstract: Thermoplastic compositions based on, in particular, polyamide resin(s) or alkenylaromatic resin(s), having improved fire resistance are disclosed. The compositions contain Sb2O3, melamine cyanurate and one or more polyols, the combination of which exhibits a synergistic effect on increasing the fire retardancy. These compositions can be used for the preparation of molded, extruded or injected articles, in the form of sheets or films, of composite materials and of powders for coating substrates. Further, the process for preparing the compositions is also disclosed.

Abstract: The present invention relates to laser-markable plastics, in particular thermoplastic polyurethanes, which are distinguished by the fact that they contain pigments having a coating of doped tin dioxide.

Abstract: A polyisocyanate-based polymer having dispersed therein a metal salt, obtained by reacting an organic polyisocyanate with an aqueous composition of a metal salt. The polymer comprises the metal salt in an amount of from at least 10 weight percent based on total weight of the dry salt with the weight of the polyisocyanate-based polymer including salt therein. The polymer on calcination provides a metal-containing powder having an average particle size of 1 micrometer or less. Such metal-containing powders are of value in the preparation of industrial catalysts, ceramics, electronic components, or as fillers in plastics, paints, or cosmetics.

Abstract: A flame-retardant resin composition for insulated wires, shielded wires and insulating tubes which are used in the field requiring high-frequency current transmission, for example, in the field of high-density wiring of internal circuits in electronic appliances. The composition comprises (a) a thermoplastic polyolefinic resin having a density of smaller than 0.89 g/cm3, which is prepared by copolymerizing ethylene and a non-polar &agr;-olefin in the presence of a single-site metallocene catalyst, (b) a halogen-containing flame retardant, and (c) zinc oxide. After crosslinking, the composition is used in forming an insulating coating for insulated wires and shielded wires, and in forming insulating tubes.

Abstract: Improved flame retardant compositions suitable for insulating wire and cable products comprised of ethylene-alkoxy silane copolymer, halogenated organic compound, antimony trioxide, silane condensation catalyst and magnesium hydroxide are provided. Additionally, antioxidant(s), other mineral fillers and other conventional compounding ingredients may be included in the formulations. The compositions have good processability and are capable of being cured under ambient conditions to provide products which meet all of the specifications of SAE J-1128 for thin wall crosslinked polyolefin low tension primary cable insulation. Wire and cable products comprising a metal conductor coated with from 2 to 100 mils of the flame retardant insulation are also disclosed.

Abstract: The invention provides metal loaded polymeric sheet material suitable for the preparation of protective garments for the protection of workers or subjects exposed to x-radiation.

Abstract: This invention relates to high temperature, semi-crystalline, semi-aromatic nylon copolymers with improved shrinkage and blistering resistance, made from terephthalic acid (TA), hexamethylene diamine (HMD) and another aliphatic dicarboxylic acid as monomers. These polymers display superior % TD (Transverse Direction) annealing shrinkage, superior resistance to blistering when formulated with flame retardant additives and reinforcement under infrared (IR) reflow soldering conditions for electronic conectors, as well as a very good balance of mechanical performance as high temperature nylons.