Abstract: A type of cationic dyeable polyester fiber and preparing method thereof are disclosed. The preparing method is to manufacture a fiber from a cationic modified polyester through a fully drawn yarn (FDY) process, wherein the cationic modified polyester is composed of terephthalic acid segments, ethylene glycol segments, sodium salt of diethylene ester of 5-sulfoisophthalic acid segments and tert-butyl branched diol segments and a molecular formula of tert-butyl branched diol is as following: The cationic modified polyester is further dispersed with a high temperature calcined solid heteropolyacid. A final fiber has a dye uptake of 87.8-92.2% and a K/S value of 23.27-25.67 when dyed at 120° C., as well as an intrinsic viscosity drop of 13-17% when stored at 25° C. and R.H. 65% for 60 months.

Abstract: The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer and an inorganic filler, the use of said polypropylene composition (C) for the production of a foamed article and a foamed article obtained from said polypropylene composition (C).

Abstract: A resin composition is provided. The resin composition comprises the following: (a) a resin system, which comprises a thermosetting resin constituent and a vinyl-containing elastomer and has a dissipation factor (Df) of not higher than 0.008 at 10 GHz after curing; and (b) a phosphorous-containing flame retardant, which is a compound of formula (I), a compound of formula (II), or a combination thereof: wherein R1, R2, R21, R22, R23, R24, and n are as defined in the specification.

Abstract: There is provided as a biocide zinc or copper (II) salt having the general formula CH2?C(R1)COO-M-OCOC6H3R2R4, wherein M is Zn or Cu, R1 is selected from the group comprising hydrogen and methyl, R2 is selected from the group comprising hydrogen and OH, R4 is selected from the group comprising hydrogen, alkyl and SO2OH group.

Abstract: The present disclosure provides a filled composition made from and/or containing (A) a first polymer composition made from and/or containing (i) a heterophasic polypropylene copolymer and (ii) a polypropylene blend, and (B) a biofiller composition made from and/or containing a cellulose-based biofiller. The filled composition can additionally be made with and/or contain an elastomeric ethylene copolymer composition. Optionally, the filled composition can further be made with and/or contains a grafted polyolefin composition. The filled composition is useful in making automotive components.

Abstract: The present invention relates to a polyolefin composition comprising two heterophasic propylene copolymers which differ in the intrinsic viscosity of their xylene soluble fractions.

Abstract: Polypropylene composition comprising (a) a high melt strength polypropylene having a melt flow rate MFR2 (230° C.) of equal or below 15 g/10 min and a branching index g? of below 1.0, (b) a first heterophasic propylene copolymer comprising a polypropylene having a melt flow rate MFR2 (230° C.) in the range of 50 to 500 g/10 min and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-% and an intrinsic viscosity (IV) of equal or more than 2.5 dl/g, (c) a second heterophasic propylene copolymer comprising a random propylene copolymer having a melt flow rate MFR2 (230° C.) in the range of 1 to 40 g/10 min, a branching index g? of 1.0, and a comonomer content of more than 0.5 wt.-%, and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-%, and an intrinsic viscosity (IV) of equal or below 2.4 dl/g, (d) a polyethylene plastomer having an ethylene content of at least 50 wt.-%, and (e) a mineral filler (F).

Abstract: Varnishes useful in manufacturing prepregs and laminates including at least one polymer selected from the group consisting of polyphenylene ether, polyphenylene oxide and combinations thereof; at least on reactive monomer; and at least one initiator.

Abstract: The main objection of the present invention is to provide a halogen-free flame retardant for resins which has a high heat resistance and is capable of exhibiting excellent flame retardance while maintaining a good transparency. The present invention provides a flame retardant for resins which includes a condensed phosphonic acid ester having a specific chemical structure, a flame-retarded resin composition containing the same, and a molded article made from the composition.

Abstract: Certain phosphonic acid salts heated at temperatures over 200° C. generate thermally stable, highly efficient flame retardant materials well suited for use as flame retardant additives in polymers. The flame retardants of the invention can be used as the sole flame retardant in a composition or in combination with other flame retardants, synergists or adjuvants.

Abstract: The present invention relates to the use of aromatic P—N-compounds in flame retardant polymer compositions. These compositions are especially useful for the manufacture of flame retardant compositions based onthermoplastic polymers, especially polyolefin homo- and copolymers, polycondensates, such as polyamines or polyesters and duroplastic polymers, such as polyepoxides.

Abstract: It is described a colouring composition for thermoplastic polymers comprising the product of reaction of an organic dye with one or more polymer additives selected from an aromatic phosphate metal salt, a hindered phenol antioxidant and a salt of a fatty acid. It is disclosed also a process for preparing and using such composition.

Abstract: This invention relates to 9,10-Dihydro-9-Oxa-10-Phosphaphenantrene-10-oxide derived additive flame-retardants, which are useful in epoxy resin compositions. The epoxy resin compositions may be used in making prepregs or laminates for printed wiring boards and composite materials.

Abstract: Polypropylene composition comprising (a) a high melt strength polypropylene having a melt flow rate MFR2 (230° C.) of equal or below 15 g/lOmin and a branching index g? of below 1.0, (b) a first heterophasic propylene copolymer comprising a polypropylene having a melt flow rate MFR2 (230° C.) in the range of 50 to 500 g/lOmin and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-% and an intrinsic viscosity (IV) of equal or more than 2.5 dl/g, (c) a second heterophasic propylene copolymer comprising a random propylene copolymer having a melt flow rate MFR2 (230° C.) in the range of 1 to 40 g/lOmin, a branching index g? of 1.0, and a comonomer content of more than 0.5 wt.-%, and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-%, and an intrinsic viscosity (IV) of equal or below 2.4 dl/g, (d) a polyethylene plastomer having an ethylene content of at least 50 wt.-%, and (e) a mineral filler (F).

Abstract: Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired.

Abstract: Disclosed are compositions comprising antioxidants and stabilizers, such as, acid scavengers or organic phosphorus stabilizers, and optionally further comprising co-stabilizers. The disclosed compositions are useful as stabilizers for polyolefins and other polymeric materials. The disclosed compositions and methods generally provide longer shelf lifes and better oxidative resistance to materials than currently available antioxidants.

Abstract: The present invention relates to a process for the production of polyethylene hollow articles, which process comprises charging the polyethylene with one or more NO-acyl hindered amine additives containing one or more groups of formula (I), filling this mixture into a mold, heating this mold in an oven to above 280° C., such that the additized polyethylene melts, rotating the mold around at least 2 axes, the additized polyethylene spreading to the walls, cooling the mold while still rotating, opening it, and taking the resultant hollow article out, where the group of formula (I) is where Ra is a monoacyl or diacyl radical; R1-R4 are each C1-C6alkyl; and R5 and R6 are each, independently of one another, hydrogen, C1-C6alkyl or C6-C10aryl; or R5 and R6 are together oxygen.

Abstract: The present invention provides a granulated resin additive composition which comprises an aromatic metal phosphate salt and a phenolic antioxidant and, when blended in a resin, allows the resulting resin composition to have excellent mechanical strengths and transparency. The granulated resin additive composition is characterized by comprising a phosphate salt compound represented by the Formula (I): (wherein, R1, R2, R3 and R4 each independently represent a hydrogen atom or a C1 to C8 alkyl group which is optionally branched; X represents a direct bond or a C1 to C4 alkylidene group; M represents an alkali metal, an alkaline earth metal or aluminum; n represents an integer of 1 to 3; and m represents 0 or 1), a phenolic antioxidant and a fatty acid calcium salt, in which granulated resin additive composition the content of the fatty acid calcium salt is 1 to 6 parts by mass with respect to 100 parts by mass of the granulated resin additive composition.

Abstract: Phosphorus-containing compounds useful for flame retardant epoxy resins are disclosed. The flame retardant epoxy resins may be used to make electrical laminates. This invention is particularly useful in end use applications in which a low bromine or low halogen content is required or desired.

Abstract: The present invention relates to flame retardant polymer compositions which comprise mixtures of phosphinic acid salts and dihydro-oxa-phospho-phenantrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polycondensates like polyesters, polyamides and polycarbonates.

Abstract: Disclosed herein is a symmetric cyclic phosphonate compound represented by the following Formula 1, a method of preparing the same and a flame retardant styrenic resin composition including the same: wherein R1 and R2 are each independently hydrogen, C1-C6 alkyl or C6-C20 aryl. The styrene resin composition employing the symmetric cyclic phosphonate compound exhibits good flame retardancy and impact strength, does not release halide gas during preparation or combustion of the resin composition, and thus is environmentally friendly.

Abstract: The present invention relates to flame retardant polymer compositions which comprise mixtures of phosphinic acid salts and dihydro-oxa-phospho-phenantrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polycondensates like polyesters, polyamides and polycarbonates.

Abstract: The present invention relates to flame retardant polymer compositions which comprise mixtures of phosphinic acid salts and dihydro-oxa-phospho-phenantrene derivatives. The compositions are especially useful for the manufacture of flame retardant compounds based on polycondensates like polyesters, polyamides and polycarbonates.

Abstract: Disclosed are polymer blends comprising a mixture of (A) at least one polyester prepared by the reaction of at least one diol with at least one dicarboxylic acid or dialkyl ester thereof in the presence of a metallic catalyst; (B) at least one phosphite ester compound; and (C) at least one hindered amine light stabilizer. The polymer blends exhibit improved color, especially when used as a component of a polyester/polycarbonate blend.

Abstract: Phosphorus-sulfur compounds have flame retardant activity in organic polymer systems. The phosphorus-sulfur compounds can be represented by the structure: wherein X is oxygen or sulfur, T is a covalent bond, oxygen, sulfur or nitrogen, provided that at least one of X and T is sulfur, each X? is independently oxygen or sulfur, each m is independently zero or 1 when X? is oxygen and zero, 1 or 2 when X? is sulfur, n is at least 1 and preferably at least 2, each R is independently an unsubstituted or inertly substituted hydrocarbyl group or the R groups together form an unsubstituted or inertly substituted divalent organic group and A is an organic linking group.

Abstract: A flame retardant polycarbonate resin composition of the present invention comprises: (A) about 30 to about 100% by weight of a polycarbonate resin; (B) about 0 to about 70% by weight of a rubber modified aromatic vinyl based copolymer resin; and (C) about 0.1 to about 40 parts by weight of a phosphorous compound or a combination of phosphorus compounds represented by the following Chemical Formula (I), per 100 parts by weight of a base resin comprising (A) and (B). The flame retardant polycarbonate resin composition of the present invention can have excellent flame retardancy and heat resistance. wherein R1, R2, R3, and R4 are each independently hydroxyl, phenol, phenyl, or C1-C4 alkyl; and n is an integer of 1 to 10.

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: Phosphorus-containing compounds are disclosed which are obtainable by reacting: (A) at least one organophosphorus compound having a group selected from the group H—P?O; the group P—H and the group P—OH; and (B) at least one compound having the following Formula (I): [R?(Y)m?]m(X—O—R?)n ??Formula (I) wherein R? is an organic group; Y is a functional group selected from the group consisting of hydroxy, carboxylic acid, and amine; X is a hydrocarbylene group; R? is hydrogen or a hydrocarbyl group having from 1 to 8 carbon atoms, R is alkyl or aryl group having from 1 to 12 carbon atoms; m?, m and n are, independently, numbers equal to or greater than 1; and (C) a thermosetting or thermoplastic composition. These compounds are useful for making flame retardant epoxy and polyurethane resins and ignition resistant thermoplastic resins, each of which is useful for a variety of end uses requiring flame retardancy or ignition resistance.

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: Phosphorus-sulfur compounds have flame retardant activity in organic polymer systems. The phosphorus-sulfur compounds can be represented by the structure: wherein X is oxygen or sulfur, T is a covalent bond, oxygen, sulfur or nitrogen, provided that at least one of X and T is sulfur, each X? is independently oxygen or sulfur, each m is independently zero or 1 when X? is oxygen and zero, 1 or 2 when X? is sulfur, n is at least 1 and preferably at least 2, each R is independently an unsubstituted or inertly substituted hydrocarbyl group or the R groups together form an unsubstituted or inertly substituted divalent organic group and A is an organic linking group.

Abstract: The invention relates to a flameproof PMMA moulding material, mouldings produced therefrom and the use thereof. Small amounts of an organo-phosphorus compound are sufficient to increase the glow wire flammability index by 300° C.

Abstract: The present invention relates to flame resistance additives for organic polymers, and in particular polyphosphonate-type flame resistance additives in a polycarbonate or a polyester carbonate and/or in blends of polycarbonate or a polyester carbonate with an acrylonitrile, butadiene, and styrene terpolymer. The aromatic polyphosphonate compounds of the present invention are represented by the structure, wherein a and b are each from 0 to 6, with a+b being from 2 to 6, each R is independently hydrogen, unsubstituted or inertly substituted alkyl having up to 6 carbon atoms, —NO2, —NR12, —C?N, —OR1, —C(O)OR1, or —C(O)NR12 (wherein R1 is hydrocarbyl or hydrogen), each R2 is independently hydrogen, alkyl or inertly substituted alkyl, each R3 is a covalent bond or a divalent linking group, and each R4 is independently an alkyl, aryl, inertly substituted alkyl or inertly substituted aryl group.

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 30 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.

Abstract: Disclosed herein is a symmetric cyclic phosphonate compound represented by the following Formula 1, a method of preparing the same and a flame retardant styrenic resin composition including the same: wherein R1 and R2 are each independently hydrogen, C1-C6 alkyl or C6-C20 aryl. The styrenic resin composition employing the symmetric cyclic phosphonate compound exhibits good flame retardancy and impact strength, does not release halide gas during preparation or combustion of the resin composition, and thus is environmentally friendly.

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 or a phosphoric acid ester as a flame retardant, and, optionally, a fluorinated polyolefin resin, which has good flame retardancy, heat resistance, mechanical strength, impact strength, heat stability, processability, and appearance.

Abstract: The invention is a watery dispersion containing a) a flame-stabilizing substance of general formula (I) where R1 is hydrogen, C1-4-alkyl, —CH2Cl, —CH2Br, —CH2O—C1-4-alkyl or phenyl, R2 is hydrogen, C1-4-alkyl, —CH2Cl, —CH2Br or —CH2O—C1-4-alkyl, or R1 and R2 together with the ring carbon atoms form cyclohexylidene, cyclohexenylidene or 3,4-dibromocyclohexylidene, R3 and R5 independent of each other are hydrogen or C1-4-alkyl, R4 is hydrogen or methyl, and X is oxygen or sulfur, and b) a dispersive agent or combination of dispersive agents.

Abstract: Disclosed herein is a symmetric cyclic phosphonate compound represented by the following Formula 1, a method of preparing the same and a flame retardant styrenic resin composition including the same: wherein R1 and R2 are each independently hydrogen, C1-C6 alkyl or C6-C20 aryl. The styrenic resin composition employing the symmetric cyclic phosphonate compound exhibits good flame retardancy and impact strength, does not release halide gas during preparation or combustion of the resin composition, and thus is environmentally friendly.

Abstract: Organic polymer compositions can be made flame-retardant by addition of selected organic phosphate and other components, such as known flame-retardants or conventional additives for further improvements, e.g. in name retardancy or light stability.

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: Phosphorus-sulfur compounds have flame retardant activity in organic polymer systems. The phosphorus-sulfur compounds can be represented by the structure: wherein X is oxygen or sulfur, T is a covalent bond, oxygen, sulfur or nitrogen, provided that at least one of X and T is sulfur, each X? is independently oxygen or sulfur, each m is independently zero or 1 when X? is oxygen and zero, 1 or 2 when X? is sulfur, n is at least 1 and preferably at least 2, each R is independently an unsubstituted or inertly substituted hydrocarbyl group or the R groups together form an unsubstituted or inertly substituted divalent organic group and A is an organic linking group.

Abstract: An aqueous dispersion which comprises a) a flame retardant of the general formula (I) wherein R1 represents hydrogen, C1-4-alkyl, —CH2Cl, —CH2Br, —CH2O—C1-4-alkyl or phenyl, R2 represents hydrogen, C1-4-alkyl, —CH2Cl, —CH2Br or —CH2O—C1-4-alkyl, or R1 and R2 together with the ring carbon atoms bound to them, represent cyclohexylidene, cyclohexenylidene or 3,4-dibromocyclohexylidene, R3 and R5 independently represent hydrogen or C1-4-alkyl, R4 represents hydrogen or methyl, and X represents oxygen or sulfur, and b) an acrylate copolymer which substantially consists of 50 to 80 mol % of monoalkenyl aromatics and 20 to 50 mol % of acrylates. The inventive aqueous dispersions have an average molar mass Mv between 1000 and 50 000 g/mol.

Abstract: The flameproof styrenic resin composition according to the present invention comprises (A) about 70 to 99.5 parts by weight of a rubber-modified polystyrene resin and (B) about 0.

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: The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule.

Abstract: A polycarbonate composition is disclosed having improved fatigue resistance characteristics. The composition is useful for manufacture of electronic and mechanical articles, such as cell phone housing, among others. The composition comprises an effective amount of a polycarbonate, an impact modifier, and a pentraerythritol diphosphite derivative represented by formula (P-1): wherein m is an integer and 1?m?5; n is an integer and 1?n?5; and each of R1 and R2 is independently selected from the group consisting of arylalkyl, alkylarylalkyl, aryl, alkylaryl, and any combination thereof.

Abstract: Resorcinol carbonate-based phosphate esters are prepared by reacting resorcinol carbonates with phosphorous oxychloride or a chlorophosphate. The resorcinol carbonates can be synthesized by the reaction of resorcinol with phosgene or diphenyl carbonate. The resorcinol carbonate-based phosphate esters can be used as flame retardants and perhaps flowing agents.

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 selected from the group consisting of the phosphites of the formula (I) to (V), of the phosphonites of the formulae (VI) to (IX) and (XV), of the di/oligophosphonites of the formulae (X) and (XI) and of the phosphinites of the formulae (XII) to (XIV), and b) at least one compound selected from the group consisting of the phosphanes of the formula (XVI), the di/oligophosphanes of the formulae (XVII) and (XVIII), and of the cyclophosphanes of the formula (XIX), and also to a process for stabilizing polymers with respect to thermooxidative degradation by addition and incorporation of a synergistic mixture of this type.

Abstract: The invention is directed to a phosphonate composition having flame retardant properties. The phosphonate composition of the invention has the general formula: wherein R1 and R2 are independently C1–C4 alkyl, R3 is H or C1–C4 alkyl, and R4 is linear or branched C9–C22 alkyl, C9–C22 cycloalkyl, C9–C22 aryl or C9–C22 aralkyl and n=0 or 1. The invention is also directed to a method of producing the phosphonate composition having flame retardant properties.

Abstract: The present invention provides a process for preparation of semi-conducting polymer film containing beta crystalline phase of polyvinylidene fluoride which have a large number of application in piezoelectric devices viz. electromechanical sensors, tactile sensors for robotics, touch sensitive switches etc, which can be made at low temperatures and at low electric fields and having low resistivity/semi-conducting range.