Abstract: The present invention describes a process for preventing the formation of aldehydic contaminants in polyether polyols, polyester polyols or polyurethanes which comprises incorporating into said polyether polyols, polyester polyols or polyurethanes an effective amount of a) a phenolic antioxidant, b) one or more compounds selected from (i) aminic antioxidants, (ii) benzofuran-2-ones, and (iii) phosphites or phosphonites, or (iv) mixtures thereof.

Abstract: Flame retardant thermoplastic elastomer composition comprising a thermoplastic vulcanizate composition and non-halogenated flame retardant.

Abstract: Provided is an insulating material satisfying IEC60695-12 Standard for the molded parts composed of a flame retardant PBT resin composition, specifically for a thin-walled molded article, even without applying secondary working. For details, to (A) 100 parts by weight of a polybutylene terephthalate resin, there are added (B) 5 to 50 parts by weight of a halogen-based flame retardant, (C) 5 to 40 parts by weight of an flame retardant assistant, (D) 5 to 100 parts by weight of a liquid crystalline polymer, and (E) 0 to 200 parts by weight of an inorganic filler.

Abstract: The present invention relates to impact-modified polycarbonate compositions comprising A) 50 to 99.4 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of aromatic polycarbonate and/or aromatic polyester carbonate, B) 0.5 to 20 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of graft polymer containing a silicone rubber or silicone/acrylate rubber, C) 0.1 to 30 parts by wt. (in each case based on the sum of the parts by weight of components A+B+C) of a salt of a phosphinic acid. which are distinguished by an optimum combination of good flameproofing, high heat distortion temperature, good mechanical properties and good resistance to chemicals, the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves.

Abstract: A method for preparing a molded article includes the steps of (a) obtaining a polycarbonate resin and (b) molding the polycarbonate resin. The polycarbonate resin is made by a transesterification reaction using an activated diaryl carbonate such that the polycarbonate is susceptible to the formation of internal ester linkages (IEL). The method occurs with the proviso that the polycarbonate resin, the molding conditions or both are selected to control the amount of IEL formed during the molding process to a level of less than 0.4 mol %.

Abstract: The invention relates to mixtures of diorganylphosphinic acids and carboxylic acids of the formula [cationn+(phosphinate?)x(carboxylic acid anionz?1/z)y] where n=from 1 to 4 x=from 0.01 to n?0.01 y=n?x z=from 1 to 4, where “cation” means an element of the second main and/or transition group, an element of the third main and/or transition group, an element of the fourth main and/or transition group, an element of the fifth main and/or transition group, an element of the sixth transition group, an element of the seventh transition group, and/or an element of the eighth transition group, “phosphinate” means the anion of diorganylphosphinic acids of the formula where R1 and R2 are identical or different and, independently of one another, are H, C1-C6-alkyl, linear or branched, and/or aryl, and/or hydroxyalkyl, and “carboxylic acid anion” means C1-C18 carboxylic acid anions. The invention also relates to processes for their production, and to their use.

Abstract: A method of making a composition comprises melt mixing a first mixture comprising a poly(arylene ether) and a compatibilizing agent to form a first melt mixture; and melt mixing a second mixture comprising the first melt mixture and a polyamide, an electrically conductive additive and a flame retardant masterbatch wherein the flame retardant masterbatch comprises a phosphinate and a thermoplastic resin.

Abstract: The invention provides a resin composition which gained flame-retardancy by a non-halogen based flame-retardant, having excellent small-warping performance without deteriorating excellent moldability and various characteristics (mechanical characteristics, electrical characteristics, and long-term environmental characteristics) which are inherent advantageous properties of polybutylene terephthalate resin. Specifically, to (A) 100 parts by weight of polybutylene terephthalate-based resin, there are mixed: (B) 10 to 100 parts by weight of a polymer of one or more types selected from the group consisting of modified polyester and styrene-based resin; (C) 10 to 100 parts by weight of specific phosphinic acid salt and/or diphosphinic acid salt and/or a polymer thereof; and (D) 20 to 200 parts by weight of glass fiber having an average cross-sectional area ranging from 100 to 300 square micrometers.

Abstract: A composition includes a resin and a halogen-free flame retardant composition comprising at least a phosphinate or phosphinate salt. Also disclosed are compositions including a resin and a halogen-free flame retardant composition comprising a phosphinate or phosphinate salt and at least one additional material which is substantially free of halogen-containing compounds such as alumina trihydrate and/or magnesium hydroxide. One or more of these compositions may also include an expandable graphite.

Abstract: A flame retardant resin treated article that excels in flame retardancy and is free from bleedout. A resin composition comprising a flame retarder of metal phosphinate represented by the general formula: (I) (in the formula, each of R1 and R2 is a C1-C6 alkyl or an aryl group having 12 or less carbon atoms; M is calcium, aluminum or zinc; and when M=aluminum, m=3, and otherwise m=2), a reactive organophosphorus flame retarder having an unsaturated group at its terminal and a resin wherein the total content of metal phosphinate and reactive organophosphorus flame retarder is in the range of 5 to 30 mass % is provided in molded form or coating form.

Abstract: A flame retardant poly(arylene ether) composition is described. In addition to the poly(arylene ether), the composition includes a polyolefin component, and a flame retardant composition that includes a metal dialkyl phosphinate but excludes melamine phosphate, melamine pyrophosphate, and melamine polyphosphate. The polyolefin component can be a polyolefin polymer and/or the polyolefin block of a poly(alkenyl aromatic)-polyolefin block copolymer. The composition is particularly suitable as a replacement for poly(vinyl chloride) in insulation for wire and cable.

Abstract: The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of the formula (I) wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, and wherein the general symbols are as defined in claim 1. These functionalized nanoparticles are for example useful as stabilizers and/or compatibilizers in organic materials, or as photoinitiators in pre-polymeric or pre-crosslinking formulations, or as reinforcer of coatings and improver of scratch resistance in coating compositions for surfaces.

Abstract: The invention relates to adhesive silicone elastomer compositions which can be crosslinked by polyaddition. The composition, crosslinkable by polyaddition (hydrosilylation), comprises: ?/ at least one polyorganosiloxane (POS) bearing ethylenic and/or acetylenic unsaturations [POS with ?Si-(unsaturated) units]; ?/ at least one polyorganosiloxane (POS) with ?Si—H units; ?/ a catalytic combination comprising ?.1 at least one metallic catalyst (preferably platinum based), ?.2 and at least one crosslinking inhibitor; ?/ a filler; ?/ at least one adhesion promoter; ?/ at least one POS resin; ?/ at least one thermal resistance agent; and ?/ optionally at least one other functional additive. Methods of making and using the subject composition are also described.

Abstract: Novel halogen-free flame-retardant thermoplastic molding compositions are described, and give laser-markable moldings with increased quality of marking. The molding compositions comprise at least one thermoplastic A) and at least one light-sensitive compound of salt type B1) which within the polymer matrix when exposed to laser light changes its color or leads to a change in the color of the polymer matrix, and/or at least one light-sensitive or light-sensitizing oxide B2) which within the polymer matrix when exposed to laser light changes its color or leads to a change in the color of the polymer matrix, and at least one halogen-free compound or mixture C) which has a positive effect on the flammability and fire performance of the molding composition, and if appropriate, other conventional additives D). The invention further relates to moldings produced from these laser-markable flame-retardant molding compositions, and also to laser-marked moldings produced therefrom.

Abstract: Improved flame retardant polytrimethylene terephthalate compositions are provided by including a certain phosphorous compound as a flame retardant additive.

Abstract: Disclosed are polyamide compositions containing non-halogenated flame retardant and zinc borate that have reduced corrosion effects on melt processing equipment.

Abstract: The invention relates to an elastic covering material, which comprises, as a flame retardant, a phosphinate salt of the formula (I) and/or a diphosphinate salt of the formula (II) and/or polymers thereof where R1, R2 are the same or different and are each C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4. The invention relates to processes for producing such elastic covering materials.

Abstract: The thermosetting resin composition and the solder resist ink according to the present invention are characterized by comprising: a thermosetting resin (A) comprising (A1) a compound containing an acid anhydride group and/or a carboxyl group and (A2) a compound having a functional group which reacts with (A1) described above and an organic filler (B) containing a phosphorus atom, wherein the organic filler (B) containing a phosphorus atom has an average particle diameter of 50 Êm or less. According to the present invention, capable of being provided at a low cost and a good productivity are an excellent thermosetting resin composition and solder resist ink capable of forming a cured material which achieves an adhesion to a substrate, a low warping property, a flexibility, a plating resistance, a solder heat resistance and a long term reliability as well as a flame retardancy, and a cured material and a protective film which are excellent in the above characteristics.

Abstract: The invention relates to a fire-resistant composition containing at least one star polyamide and a flame retardancy system comprising a phosphinate and a melamine reaction product. The inventive composition can be used to produce elements having a low flame-spread rating upon combustion as well as satisfactory mechanical properties. Said composition is particularly suitable for producing molded elements that are used in the field of electrical and electronic connector technology.

Abstract: Disclosed is a flame retarded styrene-based resin composition containing a brominated flame retardant and an additive capable of enhancing the flame retardancy of the shaped article of the composition even in a very small amount of addition. The composition comprises (A) a styrene-based resin, (B) 0.1 to 30 parts by weight per 100 parts by weight of the resin (A) of a brominated flame retardant having a bromine content greater than 50 wt %, and (C) 0.01 to 0.2 parts by weight per 100 parts by weight of the resin (A) of a metal phthalocyanine selected from iron, manganese, cobalt, nickel, platinum or paradium phthalocyanine.

Abstract: To easily obtain a polyester having excellent mechanical properties, a satisfactory hue, and a high degree of flame retardancy. [MEANS FOR SOLVING PROBLEMS] The flame-retardant polyester is a polyester comprising ethylene terephthalate units as the main structural units and a phosphorus compound copolymerized or incorporated therein or is a resin composition comprising polyesters including that polyester. The flame-retardant polyester is characterized in that a polycarboxylic acid and/or polyol having three or more functional groups capable of forming an ester bond is contained in the polyester in a total amount of 0.05-2.

Abstract: Compositions made from a polyarylate or polyester carbonate containing greater than about 50 mole % resorcinol based ester linkages give miscible blends with polyimide resins. The blends of polyimides and resorcinol based polyesters or resorcinol based polyester carbonates also give miscible blends when combined with other aryl alky polyester resins.

Abstract: An composition comprises a poly(arylene ether), a polyamide, electrically conductive filler, an impact modifier, and a phosphinate. The composition may be used in a variety of articles such as furniture, partitions, containers, and vehicle interiors.

Abstract: The invention relates to a novel flame retardant and stabilizer combined for thermoplastic polymers, which comprises, as component A, from 20 to 80% by weight of a phosphinic salt of the formula (I) and/or of a diphosphinic salt of the formula (II), and/or polymers of these, where R1, R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, and comprises, as component B, from 10 to 75% by weight of a nitrogen-containing synergist, and, as component C, from 10 to 75% by weight of a phosphorus/nitrogen flame retardant, the entirety of the components always being 100% by weight.

Abstract: The invention relates to diorganylphosphinic salts of the formula (I) and/or diorganyldiphosphinic salts of the formula (II) and/or any of their polymers where R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K, and/or a protonated nitrogen base; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4, wherein the total content of partially water-soluble, ionizable compounds and the water-soluble content of the partially water-soluble, ionizable compounds is from 8200 to 100 ppm, preferably from 7000 to 200 ppm.

Abstract: Phosphate derivatives of a 1,3,5-triazine compound, preferably melamine polyphosphate, which are heat-resistant at the processing temperature, are selected which have an average condensation coefficient n (number average)>20, a pH-value of a 10% slurry of the polyphosphate derivative in water at 25° C. of 5 or higher, a molar ratio of 1,3,5-triazine compound to phosphorus (M/P)<1.1 and a decomposition temperature >320° C. They can be produced by heat treatment of an orthophosphate or condensed phosphate with an average condensation coefficient n (number average) below 20 in an ammonia atmosphere at a temperature in the range of 300 to 400° C. until the average condensation coefficient is above 20 and the molar ratio of 1,3,5-triazine compound to phosphorus (M/P) is below 1.1. The polyphosphates of the invention can be represented in simplified form by the following general formula: wherein M denotes a 1,3,5-triazine compound and n denotes the average condensation coefficient.

Abstract: The invention relates to flame retardants which comprise titanium phosphinates and/or titanyl phosphinates of the formulae (I) and (II) where R1 and R2 are identical or different and are unsubstituted or substituted linear or branched or cyclic C1-C10-alkyl groups or C6-C10-aryl, C7-C18-alkylaryl, or C7-C18-arylalkyl groups, and R3 is an unsubstituted or substituted linear or branched or cyclic C1-C10-alkylene group, C6-C10-arylene, C7-C18-alkylarylene, or C8-C18-arylalkylene group, and x is a number from 0 to 1.9. The invention also relates to molding compositions which comprise the inventive flame retardant.

Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of a phenol resin derivative, and (C) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds.

Abstract: A moulding material for the production of highly flame resistant articles with a matrix of a thermoplastic and a particulate pigment dispersed therein is characterized in that the pigment is light-sensitive and changes colour under the influence of laser light and in that the pigment is a reaction product of at least one halogen-free flame retardant organic nitrogen base with (i) at least one mixed salt with at least two different cations and/or with (ii) a mixture of salt type compounds which on heating can be transformed into at least one salt type compound with at least two different cations, as in (i); wherein in variations (i) and (ii), at least one of the cations is selected from a group (A) of elements Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Y, Zr, Nb, Mo, Ag, Sn, Sb, La, Pr, Ta, W and Ce and at least one further cation is selected from a group (B) of elements from periods 3 and 6 of groups II and III, periods 5 and 6 of group IV and periods 4 and 5 of groups III to VIII and the lanthanides of the periodic

Abstract: The present invention provides a halogen-free, flame retardant adhesive composition that exhibits excellent anti-migration properties, not only within single layer structures, but also within multilayer structures of much higher density such as copper-clad laminates. The flame retardant adhesive composition according to the present invention comprises: (A) a halogen-free epoxy resin, (B) a carboxyl group-containing acrylic resin and/or a carboxyl group-containing acrylonitrile-butadiene rubber, (C) a curing agent, (E) specific phosphinate and/or diphosphonate compounds, and (F) an ion scavenger and/or a heavy metal deactivator.

Abstract: Crosslinkable, flame retardant polymer compositions are provided containing a polyamide or polyester; a flame retardant system; and a crosslinking agent.

Abstract: The invention relates to dialkylphosphinic salts of the formula (I) where R1, R2 identical or different, are C1-C6-alkyl, linear or branched M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or is a protonated nitrogen base; m is from 1 to 4; wherein the telomer content is from 0.01 to 6% by weight. The invention also relates to glare use in flame retardant compositions, and to flame-retardant polymer molding compositions and flame-retardant polymer moldings which comprise these dialkylphosphinic salts.

Abstract: The invention describes novel mixtures comprising i) a processing stabilizer selected from the group consisting of hydroxylamine stabilizers, nitrone stabilizers, benzofuran-2-one stabilizers and/or a compound of the formula I R2 is C7-C30alkyl, R3 is C1-C30alkyl, and ii) an antistatic agent selected from the group consisting of an ethoxylated amine and/or an ethoxylated amide, as stabilizers for protecting organic materials, in particular synthetic polymers, against oxidative, thermal or light-induced degradation.

Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polymer, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, Part 2), or B2) at least one highly branched or hyperbranched polyester of AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 1 to 40% by weight of a halogen-free flame retardant, selected from the group of the phosphorus-containing or nitrogen-containing compounds, or of the P—N condensates, or a mixture of these, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.

Abstract: A composition comprising a phosphorus containing stabilizer and a polyetherimide sulfone resin having an amount of anhydride functional end groups in excess of the amount of amine functional end groups. The composition may optionally comprise a hindered phenol.

Abstract: Flame retardant thermoplastic polyurethane (TPU) compositions are disclosed having a flame retardant package comprising an organo-phosphinate component, an organo-phosphate component, and a polyhydric alcohol. The flame retardant components may be present in an amount from about 5 to about 40 weight percent of the phosphinate compound; from about 5 to about 20 weight percent of the phosphate compound, and from about 0.1 to about 15 weight percent of the polyhydric alcohol, based on the total weight of the TPU composition. Processes are disclosed to make the TPU compositions and to make wire and cable constructions employing the TPU compositions as the jacket of the wire and cable constructions. The TPU compositions exhibit excellent flame retardant capabilities as measured by Limited Oxygen Index testing and/or UL 94 Vertical Burn tests.

Abstract: A curable resin material-fine particle composite material, an optical material, and a light emitting device are disclosed. The composite material includes a resin material of an uncured or semicured resin and fine particles of an inorganic material dispersed in the resin material. The surface of the fine particles is treated by at least first and second surface treatment agents composed of molecules represented by the formulas (1) and (2), respectively: first surface treatment agent: R1—X1 ??(1) second surface treatment agent: R2—X2 ??(2) wherein R1 represents a long-chain aliphatic or alicyclic hydrocarbon group, R2 represents a hydrocarbon group having a structure showing affinity with at least a portion of monomers composing the resin material, and X1 and X2 independently represent a carboxyl group —COOH, hydrohydroxyphosphoryl group —PH(O)(OH), phosphono group —PO(OH)2, sulfino group —SO(OH), sulfo group —SO2(OH), thiol group —SH, amino group —NH2, or vinyl group —CH?CH.

Abstract: The present invention provides a polymer composition containing a flame retardant. In particular, the invention provides a polymer composition containing poly(trimethylene terephthalate) and a flame retardant having a flame retardant component that melts at a temperature of equal to or below 280° C. The present invention also provides a process for producing such a composition, and materials incorporating such polymer compositions.

Abstract: A flame retarded thermoplastic polymer composition comprising a thermoplastic polymer and a metal salt of phosphinic acid possessing a desired degree of volatility.

Abstract: A composition comprising a polyamide, 0.01% to 5% by weight of at least one primary antioxidant based on the total mass of the polyamide, and at least one secondary antioxidant.

Abstract: The invention relates to a novel flame retardant formulation for thermoplastic and thermoset polymers, containing, as flame retardant component A, from 90 to 99.9% by weight of phosphinate salt of the formula (I) and/or a diphosphinate salt of the formula (II) and/or polymers thereof where R1, R2 are the same or different and are each C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4 and, as component B, from 0 to 50% by weight of a nitrogen-containing synergist or of a phosphorus/nitrogen flame retardant and, as component C, from 0.1 to 10% by weight of a liquid component.

Abstract: The invention relates to a halogen-free, flame retarder composition for use in a thermoplastic composition, in particular a glassfibre-reinforced polyamide composition, which flame retarder composition contains at least 10-90 mass % phosphinate compound according to formula (I) and/or formula (II) and/or polymers thereof and 90-10 mass % polyphosphate salt of a 1,3,5-triazine compound according to formula (III) and 0-30 mass % olefin copolymer. When used as a flame retarder in glassfibre-reinforced compositions the halogen-free flame retardant composition results in a combination of a V-0 rating according to the UL 94 test of Underwriters Laboratories and excellent mechanical properties. The invention therefore also relates to the use of this flame retarder composition as a flame retarder in a polyamide composition, and a flame retardant polyamide composition that contains the flame retarder composition.

Abstract: A method of making polycarbonate includes the steps of forming polycarbonate by a melt transesterification method using an activated diaryl carbonate, and compounding the polycarbonate with a phosphorus-containing compound that has an abstractable proton or hydrolyzable group. The phosphorus-containing compound is compounded with the polycarbonate in an amount sufficient to result in an improvement in the color properties of the polycarbonate as compared to pellets formed from the same polycarbonate without addition of the phosphorus-containing compound.

Abstract: The present invention relates to a flame resistant polyamide resin compositions for moulded articles and articles formed therefrom, comprising aromatic polyamide with phosphinate and/or diphosphinate flame retardant and, optionally, glass fibers. Further provided are articles for use in a variety of applications including electrical and electronic parts requiring electrical insulation.

Abstract: The invention relates to a novel flame retardant dispersion for thermoplastic and thermoset polymers, comprising, as component A, a phosphinic salt of the formula (I), and/or a diphosphinic salt of the formula (II), and/or polymers of these, where R1 and R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene, or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4, and, as component B, a nitrogen-containing synergist or a phosphorus/nitrogen flame retardant, and, as component C, a liquid compound.

Abstract: The invention relates to mixtures composed of monocarboxy-functionalized dialkylphosphinic acids and of further components, which comprise A) from 98 to 100% by weight of monocarboxy-functionalized dialkylphosphinic acids of the formula (I) in which R1, R2, R3, R4, R5, R6, and R7 are identical or different and, independently of one another, are H, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, and/or phenyl, X and Y are identical or different and, independently of one another, are H, Li, Na, K, or NH4, and B) from 0 to 2% by weight of halogens, where the entirety of the components always amounts to 100% by weight.

Abstract: The invention relates to phosphorus-containing flame retardant agglomerates comprising a) from 99.99 to 80% by weight of aggregates and/or primary particles composed of a phosphinic salt of the formula (I) and/or composed of a diphosphinic salt of the formula (II), and/or composed of polymers of these, where R1,R2 are identical or different and are C1-C6-alkyl, linear or branched, and/or aryl; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, -alkylarylene or -arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is from 1 to 4; n is from 1 to 4; x is from 1 to 4 and b) from 0.01 to 20% by weight of auxiliaries. The invention likewise relates to a process for the production of these phosphorus-containing flame retardant agglomerates, and also to polymeric compositions and moldings which comprise these phosphorus-containing flame retardant agglomerates.

Abstract: PHA pellet compositions are provided which are processible into blown and cast free-standing films. The Mw of the PHA in the pellets used to produce the films is at least 470,000, at least 435,000 if PHA thermal stabilizers of the invention are used. In order to achieve a stable, unsupported film having desirable elongational and tensile properties, the Mw of PHA in the film is greater than about 420,000.

Abstract: A flame-retardant resin composition comprises a thermoplastic resin; a flame retardant comprising a phosphorus-containing compound (A), a aromatic resin (B), and at least one flame-retardant auxiliary (C) selected from a nitrogen-containing compound and a metal salt of an inorganic acid; and at least one stabilizer auxiliary (D) selected from a compound having a functional group reactive to an active hydrogen atom and a water-repellent compound. The phosphorus-containing compound may be a phosphoric ester. The aromatic resin may be a polyphenylene sulfide-series resin or a polyphenylene oxide-series resin. The nitrogen-containing compound is a salt of an amino group-containing triazine compound with an oxygen acid, a salt of an amino group-containing triazine compound with a hydroxyl group-containing triazine compound, a polyphosphoric acid amide, a cyclic urea compound, or others.

Abstract: Compositions comprising a polymer and an exfoliated metal phosphonate are provided. Processes for making such polymer compositions and articles formed from such polymer compositions are also provided. Compositions according to the invention are useful in polymer applications in which barrier properties are of concern, such as in plastic food and beverage containers.