Phosphorus Bonded Directly To Only Two Chalcogen Atoms And Having At Least One P-c Linkage, E.g., Phosphinate, Phosphonite, Etc. Patents (Class 524/126)
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Patent number: 7758964Abstract: A flame-resistant electrical circuit covercoat composition includes a phosphinate and a urethane solder mask. The composition can be used as a covercoat for flexible circuits.Type: GrantFiled: February 10, 2006Date of Patent: July 20, 2010Assignee: 3M Innovative Properties CompanyInventors: David D. Lu, Eumi Pyun
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Publication number: 20100168294Abstract: 4,4?-Biphenol polysulfone composition comprising: as main ingredient, at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting 4,4?-biphenol with at least one sulfone monomer SM1 (Bo1 PSU), more than 0.01% by weight, based on the total weight of the composition, of at least one phosphorus-containing compound chosen from organic phosphites and organic phosphonites, and at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting bisphenol A with at least one sulfone monomer SM2 (Bo1 A PSU). 4,4?-Biphenol polysulfone composition containing at least 60% by weight, based on the total weight of the 4,4?-biphenol polysulfone composition, of at least one Bo1 PSU, said composition having a melt viscosity ratio at 410° C. and at a shear rate of 50 s?1 (VR40) of below 1.20. Process which is especially well-suited to prepare the above compositions. Articles made from the above compositions or prepared by the above process.Type: ApplicationFiled: February 4, 2010Publication date: July 1, 2010Applicant: SOLVAY ADVANCED POLYMERS, L.L.C.Inventor: Mohammad Jamal EL-HIBRI
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Publication number: 20100168289Abstract: A composition comprises, based on the total weight of the composition: from 20 to 90 wt. % of a polyester component comprising a poly(butylene terephthalate); from 5 to 35 wt. % of a flame retardant phosphinate of the formula (I) [(R1)(R2)(PO)—O]?mMm+??(I) a flame retardant diphosphinate of the formula (II) [(O—POR1)(R3)(POR2—O)]2?nMm+x??(II), and/or a flame retardant polymer derived from the flame retardant phosphinate of the formula (I) or the flame retardant diphosphinate of the formula (II); from 1 to 25 wt. % of a melamine polyphosphate, melamine cyanurate, melamine pyrophosphate, and/or melamine phosphate; from greater than zero to 50 wt. % of a glass fiber having a non-circular cross-section; and from 0 to 5 wt. % of an additive selected from the group consisting of a mold release agent, an antioxidant, a thermal stabilizer, an antioxidant, and a UV stabilizer; wherein the components have a combined total weight of 100 wt. %.Type: ApplicationFiled: December 30, 2008Publication date: July 1, 2010Inventors: Tianhua DING, Sung Dug Kim
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Publication number: 20100113655Abstract: There is provided high temperature flame retarded semiaromatic polyamides which provide superior properties in molded articles while maintaining high flow in the molding process. The resin compositions include, in addition to the polyamide and flame retardant, aromatic organic acid and at least one inorganic reinforcing agent and/or filler. Processes for their preparation and articles made from these compositions are also disclosed.Type: ApplicationFiled: October 21, 2009Publication date: May 6, 2010Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventor: Yuji Saga
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Publication number: 20100113656Abstract: There is provided high temperature flame retarded polyamides which provide superior properties in molded articles while maintaining high flow in the molding process. The resin compositions include, in addition to the polyamide and flame retardant, talc and at least one inorganic reinforcing agent and/or filler other than talc. Processes for their preparation and articles made from these compositions are also disclosed.Type: ApplicationFiled: October 21, 2009Publication date: May 6, 2010Applicant: E.I. DU PONT DE NEMOURS AND COMPNAYInventor: Yuji Saga
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Publication number: 20100093239Abstract: The invention relates to ethylene diphosphinic acids and salts thereof of general formula A-P(O)(OX)—CR1R2—CR3R4—P(O)(OX)-A, in which A, H and/or CR5R6—OH,R1,R2,R3,R4,R5,R6 are the same or different, and denote independently from each other H, C1-C20 alkyl, C6-C20 aryl and or C6-C20 aralkyl, and X denotes H, an alkali metal, an element of the second main and secondary group, an element of the third main and secondary group, an element of the fourth main and secondary group, an element of the fifth main and secondary group, an element of the sixth secondary group, an element of the seventh secondary group, an element of the eight secondary group and/or a nitrogen base. Also disclosed are a method for producing same and the use thereof.Type: ApplicationFiled: October 6, 2007Publication date: April 15, 2010Inventors: Harald Bauer, Werner Krause, Peter Staniek
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Patent number: 7691927Abstract: A process for stabilising a natural or synthetic organic polymer or copolymer obtained from a water based latex or emulsion of the polymer or copolymer comprising adding to the later or emulsion prior to coagulation of the polymer or copolymer a substantially water-free self-emulsifying liquid stabiliser mixture comprising (a) a phosphite or phosphonite stabiliser; (b) a phenolic antioxidant and (c) an emulsifying agent. The preferred stabiliser package is a blend of 2 parts by weight liquid phosphite stabiliser to 1 part by weight liquid phenolic antioxidant which has dissolved in it a fatty acid ester emulsifier.Type: GrantFiled: July 26, 2005Date of Patent: April 6, 2010Assignee: Chemtura Europe GmbHInventors: Corrado Callierotti, Jonathan Simon Hill
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Patent number: 7691926Abstract: 4,4?-Biphenol polysulfone composition comprising: as main ingredient, at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting 4,4?-biphenol with at least one sulfone monomer SM1 (Bo1 PSU), more than 0.01% by weight, based on the total weight of the composition, of at least one phosphorus-containing compound chosen from organic phosphites and organic phosphonites, and at least one polysulfone comprising more than 50 mol. % of recurring units formed by reacting bisphenol A with at least one sulfone monomer SM2(Bo1 A PSU). 4,4?-Biphenol polysulfone composition containing at least 60% by weight, based on the total weight of the 4,4?-biphenol polysulfone composition, of at least one Bo1 PSU, said composition having a melt viscosity ratio at 410° C. and at a shear rate of 50 s?1 (VR40) of below 1.20. Process which is especially well-suited to prepare the above compositions. Articles made from the above compositions or prepared by the above process.Type: GrantFiled: December 17, 2003Date of Patent: April 6, 2010Assignee: Solvay Advanced Polymers, L.L.C.Inventor: Mohammad Jamal El-Hibri
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Patent number: 7655715Abstract: The invention relates to phosphorus-containing mixtures containing compounds of the formula RO—PO(A)-CH2—CH2—CO2H and??(I) HO—PO(A)-CH2—CH2—CO2R??(II) in which A is C1-C18-alkyl, C6-C18-alkylaryl, C6-C18-aralkyl or aryl, R is (D,E)C?C(B, R5), H B, D, E are identical or different and are each H or C1-C18-alkyl R5 is C1-C20-alkylene, a process for their preparation and their use.Type: GrantFiled: March 20, 2007Date of Patent: February 2, 2010Assignee: Clariant Finance (BVI) LimitedInventors: Harald Bauer, Mathias Dietz, Ottmar Schacker
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Patent number: 7649038Abstract: 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.Type: GrantFiled: September 2, 2005Date of Patent: January 19, 2010Assignee: Chemische Fabrik Budenheim KGInventors: Hans Dieter-Naegerl, Thomas Futterer, Vincens Mans Fibla, David Garcia Martinez, Eduardo Tortosa Gimeno
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Publication number: 20100001430Abstract: Disclosed are polyamide compositions containing non-halogenated flame retardant and zinc stannate that have reduced corrosion effects on melt processing equipment.Type: ApplicationFiled: July 1, 2008Publication date: January 7, 2010Inventor: Yige Yin
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Patent number: 7632880Abstract: The invention provides a single phase, essentially solvent-free polymerizable liquid composition comprising a polymerizable liquid with dissolved therein an organogroup 4, 5 or 6 compound selected from the group consisting of organolead, organophosphorus, organoarsenic, organoantimony, organobismuth and organselenium compounds, said position being polymerizable under the action of an externally applied influence.Type: GrantFiled: February 20, 2004Date of Patent: December 15, 2009Assignee: Microsharp Corporation Ltd.Inventors: Zhi Li, Rifat Iqbal, Jun Wang
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Patent number: 7622522Abstract: 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, a nitrogen-containing flame retardant, and a liquid triaryl phosphate. 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.Type: GrantFiled: September 27, 2007Date of Patent: November 24, 2009Assignee: Sabic Innovative Plastics IP B.V.Inventors: Weili Qiu, Jian Guo, Xiucuo Li, Hua Guo
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Patent number: 7622517Abstract: The invention relates to a phosphorus-containing flame retardant formulation for cellulose-containing moldings, comprising from 0.1 to 99.9% by weight of a resin of an organic nitrogen compound and from 0.1 to 99.9% by weight of a phosphorus-containing flame retardant.Type: GrantFiled: April 18, 2008Date of Patent: November 24, 2009Assignee: Clariant Produkte (Deutschland) GmbHInventors: Harald Bauer, Werner Krause, Martin Sicken, Volker Thewes
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Patent number: 7619021Abstract: The invention comprises an adhesion promoter for a printing ink and a printing ink comprising the adhesion promoter. The adhesion promoter comprises the product of (a) mixing together a solution of a polymer or synthetic resin with an organophosphorus compound, and then (b) mixing the mixture formed in (a) with a titanium compound selected from a titanium halide, alkoxide, halo-alkoxide or a condensed titanium alkoxide or a mixture of more than one of these titanium compounds.Type: GrantFiled: March 17, 2005Date of Patent: November 17, 2009Assignee: Sun Chemical CorporationInventor: Robert Hume Duncan
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Publication number: 20090275682Abstract: The present invention relates to a resin composition containing (A) a polyamide having a viscosity number (as measured in the 96% sulfuric acid according to ISO 307 (1997)) of from 50 ml/g to 250 ml/g; (B) a polyphenylene ether; and (C) a phosphinate represented by a particular formula. The resin composition according to the present invention is excellent in flame retardancy, impact resistance and thin-wall moldability and can significantly suppress gas generation during the molding process and substantially inhibit the generation of deposits on a mold during injection molding. As a result, a molded product thereof excellent in surface appearance can be provided.Type: ApplicationFiled: November 2, 2006Publication date: November 5, 2009Applicant: Asahi Kasei Chemicals CorporationInventors: Hiroaki Furukawa, Takaaki Miyoshi, Yasukazu Shikano, Makoto Doki
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Patent number: 7612131Abstract: A flame-retardant resin composition comprises 25 to 150 parts by weight of (B) a thermoplastic polyester1 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).Type: GrantFiled: December 11, 2007Date of Patent: November 3, 2009Assignee: Wintech Polymer Ltd.Inventor: Shinya Yamada
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Patent number: 7608651Abstract: An article comprises a compatibilized poly(arylene ether)/polyamide blend, an optional electrically conductive filler, a phosphinate, and flame retardant augment selected from the group consisting of melamine polyphosphate, zinc borate, low melting glass, talc, and combinations of two or more of the foregoing flame retardant augments.Type: GrantFiled: April 10, 2006Date of Patent: October 27, 2009Assignee: Sabic Innovative Plastics IP B.V.Inventors: Pravin Borade, Manatesh Chakraborty, Anantharaman Dhanabalan, Roshan Kumar Jha, Jaykisor Pal
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Publication number: 20090247673Abstract: 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.Type: ApplicationFiled: March 20, 2009Publication date: October 1, 2009Applicant: Bayer MaterialScience AGInventors: Pierre MOULINIE, Ralf Hufen, Stephan Konrad, Dieter Wittmann
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Patent number: 7592382Abstract: A flame retardant poly(arylene ether)/polyamide composition includes a poly(arylene ether), a polyamide, about 5 to about 15 weight percent glass fiber, and a flame retardant consisting of a metal dialkyl phosphinate. Methods of preparing the composition are described, as are articles that include it.Type: GrantFiled: June 19, 2007Date of Patent: September 22, 2009Assignee: Sabic Innovative Plastics IP B.V.Inventors: Pravin Kamlakar Borade, Mark Elkovich, Jaykisor Pal
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Patent number: 7557152Abstract: Disclosed is a reactive flame retardant which provides a resin with excellent flame retardance even when it is added in a small amount while being prevented from bleedout. Also disclosed is a flame-retardant resin processed article obtained by using such a reactive flame retardant. An organophosphorus compound represented by the general formula (I) below, wherein at least one or more of X1-X3 represent a group containing phosphorus and having a terminal unsaturated group, is used as a reactive flame retardant which is reactive with resins. A flame-retardant resin processed article can be obtained by solidifying the resin composition containing the organophosphorus compound and then reacting it through heating or application of radiation.Type: GrantFiled: February 16, 2006Date of Patent: July 7, 2009Assignee: Fuji Electric Holdings Co., Ltd.Inventors: Toshiyuki Kanno, Yoshinobu Sugata, Hironori Yanase, Kiyotaka Shigehara
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Patent number: 7534822Abstract: 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.Type: GrantFiled: November 11, 2005Date of Patent: May 19, 2009Assignee: Sabic Innovative Plastics IP B.V.Inventors: Mark Elkovitch, James Fishburn
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Publication number: 20090048373Abstract: 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.Type: ApplicationFiled: October 15, 2005Publication date: February 19, 2009Inventors: Joachim Clauss, Hanno Huckstadt, Arnold Schneller, Klaus Kurz
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Patent number: 7488534Abstract: An organic-inorganic composite particle containing an inorganic particle having a plurality of polymer particles attached to the inorganic particle and a polymer layer encapsulating the attached polymer particles. A process is provided for the organic-inorganic composite particle. The organic-inorganic composite particle is useful in the preparation of dried coatings that have improved hiding, whiteness, or gloss.Type: GrantFiled: January 21, 2004Date of Patent: February 10, 2009Assignee: Rohm and Haas CompanyInventors: Anne Denise Koller, Robert Mitchell Blankenship
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Publication number: 20090030124Abstract: Disclosed are polyamide compositions containing non-halogenated flame retardant and zinc borate that have reduced corrosion effects on melt processing equipment.Type: ApplicationFiled: July 1, 2008Publication date: January 29, 2009Inventor: Yige Yin
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Patent number: 7482398Abstract: 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.Type: GrantFiled: July 13, 2004Date of Patent: January 27, 2009Assignee: Clariant Produkte (Deutschland) GmbHInventors: Harald Bauer, Hans-Matthias Deger, Werner Krause
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Patent number: 7476700Abstract: The invention relates to organophosphorus compounds comprising a polysulfide bridge, to their process of preparation and to their use as coupling agent between an inorganic or metal filler and an elastomer. The compounds correspond to the formula (I) (RO)2?tR1tP(O)—Ox—(CH2)y—Sz—(CH2)y—Ox—P(O) (OR)2?tR1t in which R represents a hydrogen , an alkyl, an aryl, a trialkylsilyl, a trialkylamino or an alkali metal; R1 represents an alkyl or an aryl; x is 0 or 1; y is an integer from 1 to 22, preferably from 2 to 4; z is equal or larger than 3, t is 0 or 1.Type: GrantFiled: July 7, 2003Date of Patent: January 13, 2009Assignees: Centre National de la Recherche Scientifique, Universite Montpellier II Sciences et Techniques du LanguedocInventor: Hubert Mutin
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Patent number: 7473726Abstract: 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.Type: GrantFiled: August 8, 2003Date of Patent: January 6, 2009Assignee: Rhodia Engineering Plastics S.R.L.Inventors: James Mitchell, Daniele Galli
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Patent number: 7449507Abstract: 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.Type: GrantFiled: November 22, 2004Date of Patent: November 11, 2008Assignee: Sabic Innovative Plastics IP B.V.Inventor: James Ross Fishburn
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Patent number: 7449508Abstract: 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.Type: GrantFiled: February 25, 2005Date of Patent: November 11, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Christian Steib, Sebastian Hoerold
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Patent number: 7446140Abstract: 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.Type: GrantFiled: May 11, 2005Date of Patent: November 4, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Harald Bauer, Werner Krause, Martin Sicken, Norbert Weferling
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Publication number: 20080269384Abstract: 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.Type: ApplicationFiled: September 2, 2005Publication date: October 30, 2008Inventors: Hans-Dieter Naegerl, Thomas Futterer, Vincens Mans Fibla, David Garcia Martinez, Eduardo Tortosa Gimeno
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Patent number: 7442737Abstract: A phosphate ester composition of low acidity achieved by treating the phosphate ester of high acidity with an oxetane compound. The phosphate ester can be represented by the formula (I), where Ar is an aryl or alkaryl group, R is an arylene or alkylene group, and n can range from to 0 to about 5.Type: GrantFiled: June 24, 2003Date of Patent: October 28, 2008Assignee: Supresta LLCInventors: Danielle Angrand Bright, Edward D. Weil, Ronald L. Pirrelli
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Patent number: 7439288Abstract: 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.Type: GrantFiled: May 20, 2004Date of Patent: October 21, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Martin Sicken, Elke Schloβer
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Publication number: 20080241529Abstract: The invention relates to flameproofed adhesive and sealing materials containing 0.1-99.9% by weight of adhesive or thermoplastic polymer and 0.1-99.9% by weight of flameproofing agent, wherein the flameproofing agent contains at least one phosphinic acid salt of the formula (I) and/or one diphosphinic acid salt of the formula (II) in which 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, C6-C10-alkylarylene or C6-C10-arylalkylene; M is Mg, Ca, Al, Zn, Sb, Sn, Ge, Zn, Ti, 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 and x is 1 to 4, the adhesive polymers being acrylate resins, polyurethane resins, saturated and unsaturated polyester resins, styrene-butadiene copolymers, vinyl acetate copolymers, silicones, synthetic rubber and/or polyolefin resins.Type: ApplicationFiled: March 25, 2008Publication date: October 2, 2008Inventors: Harald Bauer, Mathias Dietz, Werner Krause
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Publication number: 20080241452Abstract: 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.Type: ApplicationFiled: October 1, 2007Publication date: October 2, 2008Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Kazunori KONDO, Shigehiro Hoshida, Tadashi Amano
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Patent number: 7423080Abstract: Crosslinkable, flame retardant polymer compositions are provided containing a polyamide or polyester; a flame retardant system; and a crosslinking agent.Type: GrantFiled: September 14, 2004Date of Patent: September 9, 2008Assignee: Sabic Innovative Plastics IP B.V.Inventors: Hervé Cartier, Alexis Chopin, Carlo Perego
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Patent number: 7420007Abstract: 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.Type: GrantFiled: December 17, 2004Date of Patent: September 2, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Harald Bauer, Werner Krause, Martin Sicken, Norbert Weferling
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Publication number: 20080194741Abstract: 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%.Type: ApplicationFiled: October 6, 2005Publication date: August 14, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Jochen Engelmann, Bernd Bruchmann, Andreas Eipper, Jean-Francois Stumbe, Carsten Weiss, Dietrich Scherzer, Michaela Liese, Mark Volkel
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Publication number: 20080167406Abstract: 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).Type: ApplicationFiled: December 11, 2007Publication date: July 10, 2008Applicant: WINTECH POLYMER, LTD.Inventor: Shinya YAMADA
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Patent number: 7332534Abstract: 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.Type: GrantFiled: July 13, 2004Date of Patent: February 19, 2008Assignee: Clariant Produkte (Deutschland) GmbHInventors: Susanne Knop, Martin Sicken, Sebastien Hoerold
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Patent number: 7294661Abstract: 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.Type: GrantFiled: September 29, 2004Date of Patent: November 13, 2007Assignee: E.I. du Pont de Nemours and CompanyInventors: Marvin M. Martens, Yuji Saga
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Patent number: 7285587Abstract: Flame retardant polyester compositions suitable for calendering may be prepared from polyesters having crystallization half time of at least 5 minutes, a plasticizer, a phosphorus-containing flame retardant miscible with the plasticized polyester, and an additive effective to prevent sticking of the polyester to the calendar rolls. Also disclosed are processes for flame retardant films or sheets by calendering the above compositions and the flame retardant films or sheets produced therefrom. These films and sheets have excellent appearance, flexibility, and flame retardancy, and can be used in a wide range of decorative and packaging applications.Type: GrantFiled: November 12, 2003Date of Patent: October 23, 2007Assignee: Eastman Chemical CompanyInventors: Marc Alan Strand, Rodney Layne Piner
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Patent number: 7273901Abstract: 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.Type: GrantFiled: March 5, 2004Date of Patent: September 25, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Martin Sicken, Susanne Knop, Sebastian Hoerold, Harald Bauer
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Patent number: 7259200Abstract: 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.Type: GrantFiled: October 6, 2004Date of Patent: August 21, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Harald Bauer, Sebastian Hoerold, Werner Krause, Martin Sicken
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Patent number: 7255814Abstract: The invention relates to a novel flame retardant and stabilizer combined, for thermoplastics, which comprises as component A, phosphinic or diphosphinic salts and/or polymers thereof, as component B, a nitrogen containing synergist or a phosphorous/nitrogen flame retardant, as component C, a basic or amphoteric oxide, hydroxide, carbonate, silicate, borate, stannate, mixed oxide/hydroxide, oxide/hydroxide/carbonate, hydroxide/silicate, hydroxide/borate or mixtures thereof, optionally as component D, a phosphonite or a phosphonite/phosphate mixture, optionally as component E, an ester or salt of montan wax 4, and as component F, an aromatic di- or tricarboxylic ester or aromatic di- or tricarboxamide, the entirety of the components always being 100%.Type: GrantFiled: March 2, 2004Date of Patent: August 14, 2007Assignee: Clariant Produkte (Deutschland) GmbHInventors: Sebastian Hoerold, Ottmar Schacker
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Patent number: 7238744Abstract: An article of manufacture comprises an ultrahigh molecular weight polyethylene (UHMWPE) mixed with a processing oil and a lubricant selected from the group consisting of fatty acid esters, ethoxylated fatty acid esters, glycol esters, PEG esters, glycerol esters, ethoxylated esters, sorbitol esters, ethoxylated sorbitol esters, aromatic ethoxylates, alcohol ethoxylates, mercaptan ethoxylates, modified ethoxylates, amide surfactants, phosphate esters, phosphonate esters, phosphite esters, alkyl sulfates, fatty acid ethers, alkyl ether sulfates, alkylaryl ether sulfates, sulfonates, naphthalene sulfonates, sulfosuccinates, sulfonated esters, sulfonated amides, alkyl ether carboxylates, alkylaryl ether carboxylates, quaternary amines, amino quaternary amines, ethoxylated amines, imidazoline derivatives, betaines, sultaines, aminopropionate, catechol derivatives, saturated fatty acids, unsaturated fatty acids, and combinations thereof. The method for making those articles is also disclosed.Type: GrantFiled: April 12, 2002Date of Patent: July 3, 2007Assignee: Daramic, Inc.Inventors: Joseph G. Yaritz, J. Kevin Whear
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Patent number: 7223471Abstract: 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.Type: GrantFiled: February 20, 2003Date of Patent: May 29, 2007Assignee: Zimmer AGInventors: Eckhard Seidel, Bernd Gemmel, Karl-Heinz Heldmann
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Patent number: 7205346Abstract: 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.Type: GrantFiled: November 28, 2002Date of Patent: April 17, 2007Assignee: Polyplastics Co., Ltd.Inventor: Hatsuhiko Harashina
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Patent number: 7199181Abstract: A stabilizer composition is described and comprises a 2-cyano-3,3-diarylacrylate, a sterically hindered monomeric amine, a sterically hindered phenol and, where appropriate, a chromane derivative and/or an organic phosphite and/or phosphonite. The stabilizer composition is particularly suitable for stabilizing thermoplastic polyurethane with respect to light, oxygen, and heat.Type: GrantFiled: December 13, 2002Date of Patent: April 3, 2007Assignee: BASF AktiengesellschaftInventors: Thomas Heidenfelder, Manfred Appel