Abstract: Disclosed is a polylactic acid resin composition having excellent bleed resistance and molecular weight retention ratio. A polylactic acid resin molded body is also disclosed. The polylactic acid resin composition contains a polylactic acid resin (a), a metal hydrate (b) having an alkali metal-containing substance content of not more than 0.2% by mass, and a phosphazene derivative (c). The polylactic acid resin molded body is obtained by molding the polylactic acid resin composition. Specifically, a polylactic acid molded body can be produced by filling a melt of the polylactic acid resin composition into a mold at a temperature in the range from glass transition temperature of said polylactic acid resin (a) to 110° C. and molding the melt therein.

Abstract: Processes for producing polyethylene terephthalate copolyesters are disclosed, that include the steps of: esterifying a mixture of at least terephthalic acid, from 20 mole percent to 45 mole percent 1,4-cyclohexanedimethanol, and ethylene glycol, optionally in the presence of one or more alkaline earth metals or alkali metals, to form an oligomer; polycondensing the oligomer in the melt phase in the presence of aluminum and one or more alkaline earth metals or alkali metals, to obtain a copolyester having an intrinsic viscosity of at least 0.5 dL/g; and thereafter adding to the copolyester a phosphorus-containing compound.

Abstract: The present invention provides a method for improving the flame retardant efficiency of a phenoxyphosphazene compound, and provides a prepreg, a laminate, and a laminate for printed circuit that are made by the method. The present invention compounds a phenoxyphosphazene compound and a dihydrobenzoxazine ring-containing compound in a halogen-free flame retardant resin composition, so as to effectively improve the flame-retardant efficiency of the phenoxyphosphazene compound. Besides, the prepreg, the laminate and the laminate for printed circuit that are made by the method for improving the flame retardant efficiency of a phenoxyphosphazene compound have excellent flame retardancy, chemical resistance, anti-CAF property, high glass transition temperature (Tg), high thermal resistance, low dielectric dissipation factor, low moisture, and low C.T.E, etc.

Abstract: The present invention provides a halogen-free flame retardant resin composition, and, a prepreg, a laminate, and a laminate for printed circuit that are made from the halogen-free flame retardant resin composition. The halogen-free flame retardant resin composition comprises: (A) 40-80 parts by weight of the mixture of a phenoxyphosphazene compound (A1) and a dihydrobenzoxazine ring-containing compound (A2), and, the weight ratio between the phenoxyphosphazene compound (A1) and the dihydrobenzoxazine ring-containing compound (A2) being between 1:10 and 1:2; (B) 15-45 parts by weight of a polyepoxy compound; (C) 5-25 parts by weight of a phenolic resin type hardener; and (D) 0.1-1 parts by weight of an imidazole type compound as the curing accelerator.

Abstract: The present invention relates to compositions comprising A) aromatic polycarbonate, B) polyalkylene terephthalate and C) a concentrate comprising polyalkylene terephthalate and at least one compound selected from the group consisting of ortho-phosphoric acid, phosphorous acid, carboxylic acid esters of ortho-phosphoric acid and carboxylic acid esters of phosphorous acid, Compositions of the present invention are distinguished by high melt stability. The present invention also relates to a process for the preparation of impact-modified polyalkylene terephthalate/polycarbonate compositions, wherein a concentrate of polyalkylene terephthalate with a phosphorus-containing additive is used.

Abstract: Disclosed is a flame-retardant resin processed article having excellent flame retardance while being free from bleed-out. Specifically, a resin composition containing a cyclic phosphorus compound flame retardant, a hydrophilic silica powder having an average particle diameter of not more than 15 m, and a resin with the total content of the cyclic phosphorus compound and the hydrophilic silica powder being 10-45% by mass is molded into a certain shape or formed into a coating film. The hydrophilic silica powder is preferably composed of porous structures having a pore volume of not more than 1.8 ml/g and a pH of 4-7. More preferably, the hydrophilic silica powder has an oil absorption of not less than 50 ml/100 g in accordance with JIS K5101.

Abstract: Disclosed is a flame-retardant polyamide composition which has excellent mechanical properties such as toughness, excellent heat resistance and flow ability during reflow soldering, and good thermal stability during molding, without using a halogen flame-retardant. This flame-retardant polyamide composition exhibits stable flame retardance particularly when a thin article is molded. Specifically disclosed is a flame-retardant polyamide composition containing 20-80% by mass of a specific polyamide resin (A), 5-30% by mass of a phosphinate compound (B), and 0.01-10% by mass of a phosphazene compound (C).

Abstract: A laser-weldable flame-retardant resin composition (for a member located in a transmitting side) comprises (A) a polyester-series resin and (B) at least one phosphinic acid compound selected from the group consisting of a salt of a phosphinic acid, a salt of a diphosphinic acid, and a polymer thereof (preferably, a metal salt). The resin composition may have a laser light transmittance of not less than 15% for a molded product comprising the resin composition and having a thickness of 2 mm. The resin composition may further contain a fluorine-containing resin, a nitrogen-containing flame retardant (e.g., a salt of a triazine compound with cyanuric acid and/or isocyanuric acid), and/or a filler (e.g., a glass fiber), and others. Such a resin composition realizes both of laser-weldability (laser transmissivity) and flame retardancy at high levels.

Abstract: A phosphazene compound, which can effectively enhance flame retardancy without deteriorating mechanical properties of a resin molded product, and is also less likely to deteriorate thermal reliability and dielectric properties, is represented by the formula (1) shown below. n represents an integer of 3 to 15. wherein A represents a group selected from the group consisting of an alkoxy group, an aryloxy group and a group having a cyanato group, and at least one is a group having a cyanato group, and an example of A is a cyanatophenyl-substituted phenyloxy group represented by the formula (4) shown below, and Y in the formula (4) represents O, S, SO2, CH2, CHCH3, C(CH3)2, C(CF3)2, C(CH3)CH2CH3 or CO.

Abstract: Composite media, systems, and devices for substantially removing, or otherwise processing, one or more constituents of a fluid stream. The composite media comprise a plurality of beads, each having a matrix substantially comprising polyacrylonitrile (PAN) and supporting one or more active components which are effective in removing, by various mechanisms, one or more constituents from a fluid stream. Due to the porosity and large surface area of the beads, a high level of contact is achieved between composite media of the present invention and the fluid stream being processed. Further, the homogeneity of the beads facilitates use of the beads in high volume applications where it is desired to effectively process a large volume of flow per unit of time.

Abstract: The flame retardant according to the present invention is prepared by complexing a flame retardant polyphosphate compound with a silicone resin. The silicone resin is applied to cover the particles of the polyphosphate compound. As the polyphosphate compound, it is preferred to use ammonium polyphosphate having a weight average polymerisation degree of 20 to 2000. By applying the flame retardant of the present invention on fibers as a flame retardant resin composition containing a binder resin, environmentally soft flame retardant textile products can be stably obtained.

Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound as a flame retardant, and a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.

Abstract: Thermosetting resin compositions for manufacturing circuit boards and build-up circuit boards, and build-up boards, and multilayer bodies and circuit boards manufactured using these compositions are provided. A composition contains polyimide resin (A), phenol resin (B), and epoxy resin (C) components. The mixing ratio by weight (A)/[(B)+(C)] is 0.4 to 2.0, the ratio being the ratio of the weight of (A) to the total weight of (B) and (C). By using such a composition, multilayer bodies and circuit boards, excellent in dielectric characteristics, adhesiveness, processability, heat resistance, flowability, etc. can be manufactured. A composition contains a polyimide resin (A), a phosphazene (D), and a cyanate ester (E). D includes a phenolic hydroxyl group-containing phenoxyphosphazene (D-1) and/or a crosslinked phenoxyphosphazene (D-2) prepared by crosslinking (D-1), (D-2) having at least one phenolic hydroxyl group.

Abstract: A phosphate-phosphonate compound which is lowly volatile, has a high phosphorus content, and does not influence various properties of a product when used as a material therefor. It is reduced in environmental burden in view of suitability for recycling and contains no halogen atoms including chlorine and bromine. The phosphorus compound has a phosphate-phosphonate bond within the molecule and has a specific ring structure. Because of this, the compound has excellent flame retardancy. Addition of the phosphate-phosphonate compound as a flame retardant for polyurethanes or polyesters imparts satisfactory plasticity and flame retardancy. The flame retardant is reduced in the exertion of adverse influences on the material properties of, in particular, polyurethane foams, polyester fibers, and the like.

Abstract: A thermoplastic molding composition suitable for preparing articles by thermoforming is disclosed. The molding composition that comprise A) branched, aromatic poly(ester)carbonate, B) graft polymer, C) an optional vinyl(co)polymer and or polyalkylene terephthalate, D) at least one flame retarding phosphorous compound selected from the group consisting of mono- and oligomeric phosphorus and phosphonic acid esters, phosphonate amines and phosphazenes and E) talc, is characterized in that its flexural modulus at room temperature is at least 3000 N/mm2 and that its falling dart energy at break, at ?30° C., is at least 40.0 J. Sheets extruded of the composition are suitable for making useful articles by thermoforming.

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 flame-retardant resin composition comprises a base resin (A), an organic phosphorus compound (B) having a unit represented by the following formula (1a), and a flame-retardant auxiliary (C). Wherein Ar represents an aromatic hydrocarbon ring or a nitrogen-containing aromatic heterocycle; X1 represents an oxygen atom or a sulfur atom; Y1 and Y2 are the same or different and each represents a hydrocarbon group, an alkoxy group, an aryloxy group, or an aralkyloxy group; Z1 represents an alkylene group, or a nitrogen-containing bivalent group corresponding to an alkylamine; Y1 and Y2 may bind to each other, and Y1 and Y2 together with the adjacent phosphorus atom may form a ring; “a” denotes 0 or 1; and “b” denotes an integer of 1 to 6.

Abstract: A flame-retardant resin composition comprises 25 to 150 parts by weight of (B) a thermoplastic polyester elastomer, 5 to 40 parts by weight of (C) a phosphinic acid compound comprising a salt of at least one member selected from the group consisting of a phosphinic acid, a diphosphinic acid, and a polymerized product thereof, and 0.5 to 20 parts by weight of (D) an epoxy compound, relative to 100 parts by weight of (A) a polybutylene terephthalate-series resin. Such a flame-retardant resin composition is useful for various molded products and for covering the surface of an electric wire, or the like. The present invention provides a halogen-free flame-retardant resin composition which has a high heat resistance and a high flame retardancy and is excellent in hydrolysis resistance, abrasion resistance, and moldability (e.g., extrusion properties).

Abstract: It is an object of the present invention to provide a polyester based artificial hair which has excellent setting properties, feeling and transparency and further has excellent flame-retardancy and controlled gloss of fiber surface while maintaining fiber properties possessed by a conventional polyester fiber such as heat resistance, strength and elongation and the like.

Abstract: Organic polymeric substrates, for example polyolefins such as polypropylene, can be made flame retardant by the incorporation of a synergistic mixture of (i) at least one compound selected from the group consisting of the (a) sterically hindered nitroxyl stabilizers, (b) sterically hindered hydroxylamine stabilizers and (c) sterically hindered alkoxyamine stabilizers and (ii) at least one phosphazene flame retardant. Advantageously, a further flame retardant may be added, without the need of adding an antimony synergist. The compositions of the invention combine good flame retardant properties with light stability and good mechanical properties.

Abstract: The present invention relates to cyclic phosphazenes of general formula (1) wherein Q is a halogen and/or an aryloxy group, and m is an integer of 3 to 10, which are characterized by being substantially free from linear phosphazenes of general formula (2) wherein Q is a halogen and/or an aryloxy group, and n is an integer of 1 to 20 and by having an extremely low content of halogen, and which are appropriate to flame retardants for resins; processes for preparing the same; flame retardants containing the same as an active ingredient; resin compositions containing the cyclic phosphazenes; and molded articles therefrom.

Abstract: The present invention relates to a flame retardant resin composition comprising: 100 parts by weight of a thermoplastic polyamide resin (A), 1 to 100 parts by weight of a phosphazene compound (C), and a polyphenylene ether-based resin, a polystyrene-based resin or mixture thereof (B) being present in an amount of 10 to 500% by weight based on the weight of said phosphazene compound (C).

Abstract: The object of the present invention is to provide a flame-resistant fiber which possesses low negative effects on the environment and humans, such as emission of hazardous substances, which displays excellent both flame and weather resistance, and which does not reduce spinnability and fiber strength, and is able to provide a fiber molding obtained from the fiber. A flame-resistant fiber comprising at least one type of phosphazene derivatives selected from cyclic phosphazene derivatives and linear phosphazene derivatives, a hindered amine derivative containing specific groups, and a thermoplastic resin, wherein the fiber contains 0.25-5.0 wt % of the phosphazene derivative and 0.025-3.0 wt % of the hindered amine derivative, and the fiber fineness is 0.01-100 dtex.

Abstract: A composition comprising Polytrimethylene terephthalate (PTT) with a reduced emission of acrolein is obtained by contacting Polytrimethylene terephthalate (PTT) resin with an effective amount of a melt stable, organic stabilizing compound. Such PTT resin has an acrolein formation rate at 280° C. of less than 15 ppm/minute. Preferably the residual acrolein content of the PTT resin is less than 10 ppm. The additive organic stabilizing compounds are free from nitrogen atoms. Preferred additive compounds include polyfunctional alkohols, alcoholates, aromatic carboxylic acid anhydrides, carboxylic acids and salts of carboxylic acids. The additive compounds are added to the polymer in molten state and/or to the resin, which is then processed to fibers, filaments, non-wovens, films and/or mouldings.

Abstract: A blending of a styrenic resin, and a flame retardant comprising a phenolic resin and a phosphazene compound to a polyalkylene arylate-series resin imparts flame retardancy to a polyalkylene arylate-series resin. The phosphazene compound is a cyclic phenoxyphosphazene compound, a linear phenoxyphosphazene compound, or a crosslinked phenoxyphosphazene compound. The obtained polyalkylene arylate-series resin composition has excellent heat resistance and high flame-retardancy without bleeding out the flame retardant.

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: A flame retardant comprising a phosphazene compound, a polyphenylene oxide-series resin, and if necessary a styrenic resin and/or a nitrogen-containing compound imparts flame retardancy to a polyalkylene arylate-series resin. The phosphazene compound comprises at least a crosslinked phenoxyphosphazene compound. The obtained polyalkylene arylate-series resin composition shows high flame-retardancy.

Abstract: A shelf-stable two-part self-adhering dental composition and method. The composition comprises (a) at least one acidic compound containing at least one acidic moiety selected from the group consisting of where R is an alkyl or aryl group; (b) at least one polymerizable monomer without any acidic group where the polymerizable group is selected from the group consisting of an acrylate, a methacrylate and a vinyl group; (c) a substituted thiourea selected from the group consisting of 1-(2-pyridyl)-2-thiourea and 1-(2-tetrahydrofurfuryl)-2-thiourea; and (d) a hydroperoxide compound with at least one hydroperoxide group attached to a tertiary carbon. The first and second parts are then mixed immediately prior to application, applied to a dental substrate, and hardened. The bond strength of the mixed composition to dentine substrate is at least 3 MPa. The composition has excellent shelf-life and is self-adhering to various dental substrates such as a tooth, metal alloy and porcelain.

Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a polyphenylene ether resin and a phenol resin derivative, both of them 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 polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds. The thermoplastic resin composition may contain up to 5.0 parts by weight of an anti-dripping agent based on 100 parts by weight of the base resin.

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 flame-retardant composition comprises a polyphenylene ether resin having a number average molecular weight in terms of polystyrene of 500 to 5,000 and a phosphazene compound, the content of the polyphenylene ether being 20 to 95% by weight and that of the phosphazene compound being 80 to 5% by weight. The flame-retardant composition is excellent in processability when added to resins, and can provide a resin composition that contains no halogens and has an excellent balance of processability, heat resistance and flame retardancy.

Abstract: A flame retardant resin composition consisting essentially of: (A) 100 parts by weight of the total of resin components (components A) which include at least 60 wt % of an aromatic polyester resin; (B) an organic phosphorus compound (component B-1) represented by the following general formula (1) and having an acid value of 0.7 mgKOH/g or less or an organic phosphorus compound (component B-2) represented by the following general formula (2); (C) 0 to 50 parts by weight of a flame retardancy improving resin (component C); and (D) 0 to 200 parts by weight of a filler (component D), and a molded article thereof. Wherein, when the organic phosphorus compound is the component B-1, the amount of the component B-1 is 1 to 100 parts by weight and when the organic phosphorus compound is the component B-2, the component B-2 is used in combination with a biscumyl compound (component B-3), the amount of the component B-2 is 5 to 3.0 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.

Abstract: The invention relates to a synergistic mixture comprising a) at least one compound from the group which consists of the phosphanes of the formula (I), (di/oligo)phosphanes of the formulae (II) and (III) and cyclophosphanes of the formula (IV) and b) at least one 6-hydroxychromane derivative of the general formula (V) and also to a process which stabilizes polymers with respect to thermooxidative degradation by addition and incorporation of this synergistic mixture.

Abstract: A phosphazene composition which has a content of volatile components of not less than 0.02% by weight and not more than 1.0% by weight when it is heated at 200° C. for 2 hours; is excellent in resistance to hydrolysis, and when the phosphazene composition is added to a resin, there is provided a resin composition which highly maintains the balance of resistance to hydrolysis, flame retardancy and stability of electric characteristics in a high-frequency field of not less than 1 GHz.

Abstract: To provide a resin composition, in which a liquid crystal polymer is made into fiber in a molded article to exhibit an extremely high reinforcing effect which has not been available yet, and from which a molded article having an excellent mechanical strength can be manufactured in a stable manner. That is, a thermoplastic resin composition, wherein 100 parts by weight in total consisting of 99-50 parts by weight of a thermoplastic polyester resin (A) not forming an anisotropic molten phase and 1-50 parts by weight of a liquid crystal polymer (B) capable of forming an anisotropic molten phase is blended with 0.001-2.

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: An impact resistant, flame-resistant thermoplastic molding composition suitable for making thin-wall housing parts is disclosed. The composition contains A) 50 to 90 parts by weight of at least one a member selected from the group consisting of polycarbonate and polyester carbonate, B) 5 to 20 parts by weight of rubber-modified vinyl (co)polymer C) 2 to 15 parts by weight of at least one low-volatility, halogen-free flameproofing agent, D) 0.1 to 6 parts by weight of a silicate mineral, and optional E) fluorinated polyolefin, and F) conventional polymer additive wherein the total sum of the parts by weight of the components A) to F) is 100, and wherein the rubber content of the composition referred to the weight of the composition is 2 to 6 wt.-%.

Abstract: A polyolefinic composition comprising as component a) one or more compounds of formula I to III in which each R1 independently is selected from linear or branched C1-30alkyl, C5-12cycloalkyl, C2-24alkenyl, C2-18alkoxyalkyl, C2-19methoxyalkanoyl, C7-30alkaryl, C7-30aralkyl, C4-24heteroaryl (where any one of the above substituents of R1 are unsubstituted or are substituted by 1 to 3 groups selected from C1-12alkyl, —OR4, —NR4R5, —COR4 and —COOR4); and C6-30aryl, unsubstituted or substituted by 1 to 5 groups R3 selected from C1-12alkyl, C1-8alkoxy, C5-6cycloalkyl, phenyl or phenoxy, —OR4, —NR4R5, —COR4 and —COOR4, R4 and R5 independently are selected from hydrogen, C1-30alkyl (linear or branched), C5-12cycloalkyl, C6-24aryl, C7-30alkaryl or C7-30aralkyl; A is a direct bond , a group —(P—R1)p— or an n-valent aliphatic or aromatic residue, (preferably C1-30alkylene (linear or branched), C5-12cycloalkylene, C7-30alkarylene, C7-30 aralkylene, C6-24arylene, a N-, O-, S-, or P-containing C6-24heteroarylene, C2-30

Abstract: The present invention relates to a flame retardant polycarbonate thermoplastic resin composition that comprises a polycarbonate resin, a rubber modified vinyl-grafted copolymer, a phosphorous mixture of a cyclic phosphazene oligomer compound and a phosphate ester morpholide compound as a flame retardant, and a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.

Abstract: The resin composition of the present invention comprises (A) a resin composition comprising a polyphenylene ether resin or a polyphenylene ether resin and a polystyrene resin and (B) a phosphazene compound having an acid value of less than 0.5. This resin composition contains no halogen compounds and hence is environmentally preferred, and furthermore is excellent in electrical characteristics, heat resistance and mechanical properties, causes substantially no problems such as smoking during injection molding and desposition of flame-retardants on the mold, and has high flame retardancy.

Abstract: The object of the present invention is to provide a flame-resistant fiber which possesses low negative effects on the environment and humans, such as emission of hazardous substances, which displays excellent both flame and weather resistance, and which does not reduce spinnability and fiber strength, and is able to provide a fiber molding obtained from the fiber. A flame-resistant fiber comprising at least one type of phosphazene derivatives selected from cyclic phosphazene derivatives and linear phosphazene derivatives, a hindered amine derivative containing specific groups, and a thermoplastic resin, wherein the fiber contains 0.25-5.0 wt % of the phosphazene derivative and 0.025-3.0 wt % of the hindered amine derivative, and the fiber fineness is 0.01-100 dtex.

Abstract: A polyalkylene terephthalate-series resin (e.g., polyethylene terephthalate-series resin, polybutylene terephthalate-series resin) is improved in flame retardancy by using a flame retardant containing a phosphazene compound and a phenolic resin. The phosphazene compound is a compound shown by the following formulae (1) and/ or (2), and/or a compound being the above compound crosslinked with a phenylene group or a crosslinking group shown by the following formula (3a). The proportion of the phosphazene compound to the phenolic resin is the former/the latter=5/95 to 95/5 (weight ratio). By means of the above flame retardant, a polyalkylene terephthalate-series resin can be highly improved in flame retardancy without deteriorating the properties. Further, by adding the other flame retardant (e.g., a nitrogen-containing flame retardant, a phosphate-series flame retardant), and a carbonizable resin, the flame retardancy can be enhanced.

Abstract: Disclosed is an aromatic polycarbonate resin composition comprising a resin component (A) selected from the group consisting of an aromatic polycarbonate and a resin mixture of an aromatic polycarbonate and at least one organic polymer resin other than an aromatic polycarbonate, wherein the resin mixture has an aromatic polycarbonate content of 50% by weight or more, and at least one aromatic group-containing silicone compound (B), wherein the at least one aromatic group-containing silicone compound (B) comprises a monomer, a polymer or a mixture thereof, which is represented by at least one formula selected from the group consisting of the following formulae (1) and (2): wherein the component (B) contains the aromatic group in an amount of 5 to 100 mole %, based on the total molar amount of R1, R2, R3 and R4, wherein each of R1 and R2 represents a hydrogen atom or a C1-C20 hydrocarbon group, and each of R3 and R4 represents a hydrogen atom, a C1-C20 hydrocarbon group or a metal-containing g

Abstract: A flame retardant resin composition comprising:

Abstract: A flame retardant resin composition consisting essentially of:

Abstract: The present invention relates to thermoplastic polycarbonate molding compositions which contain phosphazenes and special graft polymers produced by means of redox initiator systems and are distinguished by substantially improved mechanical properties.

Abstract: A thermoplastic molding composition comprising polycarbonate, an impact modifier, a phosphorus-containing flameproofing agent, and high purity talc is disclosed. The composition offers flame resistance for molded parts having small wall thickness, improved rigidity and resistance to stress cracking. The talc has MgO content of 30.5 to 32 wt. %, SiO2 content of 60 to 62.5 wt. % and Al2O3 content lower than 0.7 wt. % and d50 value less than or equal to 2.5 &mgr;m.

Abstract: Flame retardants for resins, which contain as the principal component phosphorinane-type phosphates represented by general formula (I) (wherein R1 and R2 are each independently C1-C6 alkyl; and R3 is C1-C20 alkyl), and which can impart excellent flame retardance to resins without lowering in the physical properties inherent in the resins and are excellent in resistance to hydrolysis and free from halogen; and flame-retarded resin compositions excellent in mechanical characteristics.

Abstract: Aromatic-aliphatic copolycarbonate resin composition obtained by compounding 0.001 to 0.5 part by weight of a benzotriazole ultraviolet absorbent and 0.005 to 0.1 part by weight of a phosphorus antioxidant having a specified structure per 100 parts by weight of an aromatic-aliphatic copolycarbonate resin. A polycarbonate resin composition according to the present invention cuts ultraviolet rays efficiently, shows excellent color tone and melt stability, and shows extremely little coloration at the time of molding.

Abstract: The present invention relates to a flame retarded epoxy resin composition, which is characterized by that said flame retarded epoxy resin composition comprising: (A) at least one type of epoxy resin; (B) a phosphorus-and-nitrogen-containing heterocyclic compound, said compound having a moiety which can react with the epoxy group of the epoxy resin, usedful as a hardening agent, and having a structure as shown by formula (I):  wherein m is an integer of from 0 to 2, n is an integer of from 3 to 7, but at least one m is not 2. The epoxy resin composition consisting of the above components (A) and (B) has improved flame retarded property and thus is suitably used as the flame retarded material required for the parts of composite material, laminated plates, printed circuit boards, electronic products, electrical products, and the like.