Aryl Group Patents (Class 524/135)
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Patent number: 9861727Abstract: Embodiments of the invention include drug delivery coatings and devices including the same. In an embodiment, the invention includes a drug delivery coating including a polymeric layer. The polymeric layer can include a hydrophilic outer surface. The coating can also include a matrix contacting the hydrophilic outer surface. The matrix can include a particulate hydrophobic therapeutic agent and a cationic agent. The polymeric layer can further include a hydrophilic polymer having pendent photoreactive groups and a photo-crosslinker including two aryl ketone functionalities. Other embodiments are also included herein.Type: GrantFiled: January 29, 2015Date of Patent: January 9, 2018Assignee: Surmodics, Inc.Inventors: Joram Slager, Toni M. Heyer, David E. Babcock
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Patent number: 9290653Abstract: The invention relates to the use of polyphosphonates, copoly(phosphonate ester)s, copoly(phosphonate carbonate)s, and their respective oligomers, as flame retardant additives for polyester fibers to impart fire resistance while maintaining or improving processing characteristics for melt spinning fibers.Type: GrantFiled: November 16, 2011Date of Patent: March 22, 2016Assignee: FRX Polymers, Inc.Inventors: Marc-Andre Lebel, Lawino Kagumba, Pin Go
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Patent number: 8987357Abstract: The present invention relates to a thermoplastic molding composition comprising the following components: A) 20 to 98.99% by weight of at least one polyamide, B) 0.01 to 40% by weight of at least one branched polyimide selected from condensates of either b1) at least one polyisocyanate having an average of more than two isocyanate groups per molecule or b2) at least one polyamine having an average of more than two amino groups per molecule and b3) at least one polycarboxylic acid having at least three COOH groups per molecule or its anhydride C) 1 to 59% by weight of at least one flame retardant selected from the group of c1) phosphorus-containing flame retardants c2) nitrogen-containing flame retardants and mixtures of these, D) 0 to 50% by weight of further additives, where the total of the proportions by weight is 100% by weight based on the molding composition.Type: GrantFiled: May 25, 2012Date of Patent: March 24, 2015Assignee: BASF SEInventors: Anna Cristadoro, Alexander König, Michael Roth
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Patent number: 8969446Abstract: The present invention is a flame-retardant polyurethane composition comprising (a) a thermoplastic polyurethane-based resin component, (b) a phosphorus flame retardant particulate filler, and (c) a low melting temperature phosphorus flame retardant agent.Type: GrantFiled: July 30, 2008Date of Patent: March 3, 2015Assignee: Dow Global Technologies LLCInventors: Geoffrey D. Brown, Given Jing Chen, Kawai Peter Pang, Robert F. Eaton, Manish Mundra, Anteneh Z. Worku
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Patent number: 8906988Abstract: Provided is an integrated molded product in which a molded resin product containing a phosphorus compound is used and an addition-reactive silicone adhesive agent is used to achieve strong bonding. The integrated molded product comprises a thermoplastic resin molded product made of a thermoplastic resin composition comprising a polybutylene terephthalate resin and a phosphorus compound, the content of the phosphorus compound being 0.5% by mass or less; an addition-reactive silicone composition; and a member; and the thermoplastic resin molded product and the addition-reactive silicone composition are brought into contact with each other. The phosphorus compound to be used is preferably a trivalent phosphorous compound.Type: GrantFiled: October 28, 2011Date of Patent: December 9, 2014Assignee: Wintech Polymer Ltd.Inventors: Kumiko Doi, Kouichi Sakata
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Publication number: 20140357767Abstract: The invention relates to polycarbonate compositions and copolycarbonate compositions with improved melt stability, the preparation thereof and the use thereof for the production of mouldings and mouldings obtainable therefrom, wherein the compositions contain a polycarbonate or copolycarbonate containing bisphenol A, and at least one phosphorus compound of the formulae (1) and (2), wherein R1 and R2 independently of each other and among one another are chosen from the group which includes branched alkyl radicals, aryl radicals and substituted aryl radicals.Type: ApplicationFiled: August 19, 2014Publication date: December 4, 2014Applicant: Bayer Intellectual Property GmbHInventors: Rolf Wehrmann, Helmut-Werner Heuer
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Use of a Polyolefin Composition for Pipes and Fittings With Increased Resistance to Chlorine Dioxide
Publication number: 20140296398Abstract: The present invention relates to the use of a polyolefin composition for water pipes or fittings with increased resistance to degradation caused by chlorine dioxide-containing water, particularly to the use of a combination of particular types of antioxidants for increasing the resistance of a polyolefin composition against degradation caused by contact with chlorine dioxide-containing water.Type: ApplicationFiled: July 23, 2012Publication date: October 2, 2014Applicant: BOREALIS AGInventors: Martin Anker, Tanja Piel -
Patent number: 8828547Abstract: A composition, preferably a halogen-free, flame retardant composition, comprising in weight percent based on the weight of the composition: A. 1 to 90% TPU polymer, B. 1 to 90% polyolefin polymer, preferably a polar polyolefin polymer, C. 1 to 60% phosphorus-based, intumescent flame retardant, D. 0.5 to 25% liquid phosphate modifier, e.g., bis-phenol-A-polyphosphate, and E. Optional additives and/or fillers. The compositions exhibit excellent strain and scratch whitening performance in combination with excellent burn performance, good flexibility and tensile properties, and good fabrication extrusion characteristics including improved surface smoothness.Type: GrantFiled: May 24, 2011Date of Patent: September 9, 2014Assignee: Union Carbide CHemicals & Plastics Technology LLCInventors: Manish Mundra, Geoffrey D. Brown
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Publication number: 20140235771Abstract: There is provided a P3HA resin composition to which a crystal nucleating agent suitable for the promotion of the crystallization of a P3HA resin is added. A poly(3-hydroxyalkanoate) resin composition comprising: a poly(3-hydroxyalkanoate) resin; and a metal salt of a phenylphosphonic acid compound of Formula [1]: (where R1 and R2 are each independently a hydrogen atom, a C1-10 alkyl group, or a C2-11 alkoxycarbonyl group), wherein the metal salt is at least one selected from the group consisting of a lithium salt, a sodium salt, a potassium salt, a magnesium salt, a calcium salt, a barium salt, a manganese salt, an iron salt, a cobalt salt, a nickel salt, a copper salt, a silver salt, an aluminum salt, and a tin salt.Type: ApplicationFiled: September 28, 2012Publication date: August 21, 2014Inventors: Takeshi Suwa, Kazutoshi Odaka, Hisato Hayashi, Masaaki Ozawa
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Publication number: 20140221539Abstract: A polyamide resin composition includes (A) a semi-aromatic polyamide resin, (B) an inorganic filler, (C) a white pigment and (D) a phosphinate salt. The polyamide resin composition can have excellent heat resistance, reflectance, photostability and/or discoloration resistance.Type: ApplicationFiled: October 30, 2013Publication date: August 7, 2014Applicant: Cheil Industries Inc.Inventors: Sang Hyun Hong, Sang Hwa Lee, Jong Cheol Lim, Yoo Jin Jung, Sang Kyun Lim
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Patent number: 8779042Abstract: A polylactic acid based resin composition includes a polylactic acid based resin (A), a flame retardant (B) and a carbodiimide compound (C), the flame retardant (B) including at least a phosphorus compound (b1) having a phosphaphenanthrene skeleton and a hydroxy group, and the carbodiimide compound (C) including at least an aliphatic carbodiimide.Type: GrantFiled: January 24, 2011Date of Patent: July 15, 2014Assignee: NEC CorporationInventors: Shin Serizawa, Yukihiro Kiuchi, Masatoshi Iji
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Patent number: 8765849Abstract: The invention relates to a composition comprising, relative to the total weight of the composition: between 25% and 52% by weight of at least one semi-crystalline or amorphous polyamide, having an amine chain-end content of less than 0.040 meq/g, between 24% and 40% by weight of at least one reinforcer, and between 24% and 35% by weight of at least one metal salt, optionally contained in a polymer, chosen from a metal salt of phosphinic acid, a metal salt of diphosphinic acid, and a mixture thereof. The invention also relates to the process for preparing this composition and its use.Type: GrantFiled: January 27, 2010Date of Patent: July 1, 2014Assignee: Arkema FranceInventors: Philippe Blondel, Eric Gamache, Benjamin Saillard, Barbara Ramfel
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Publication number: 20140146569Abstract: A polycarbonate resin composition for light guides which has excellent light guiding properties and flame retardancy, a light guide and a surface light source body. The light guide is formed from a resin composition which comprises (A) 100 parts by weight of a polycarbonate resin (component A) and (B) 0.001 to 0.1 part by weight of a metal salt-based compound (component B).Type: ApplicationFiled: April 26, 2012Publication date: May 29, 2014Inventors: Toshiyuki Miyake, Atsushi Hayashida, Yoshiaki Mori
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Patent number: 8735474Abstract: The invention relates to a flame retardant composition, wherein the following components: a) At least one flame retardant component selected from the group consisting of phosphinic acid salts and nitrogen containing compounds; and b) At least one polymeric dispersing agent selected from the group consisting of styrenemaleic acid anhydride copolymers, long chain carboxylic acid salts and aliphatic polyether substituted by acidic groups; and c) A polymer substrate; are present.Type: GrantFiled: August 20, 2009Date of Patent: May 27, 2014Assignee: BASF SEInventors: Simon Kniesel, Rudolf Pfaendner
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Patent number: 8691896Abstract: Disclosed is a polymer foam with density in the range from 5 to 120 kg/m3 composed of a polymer component including at least one styrene polymer and from 0.1 to 5 parts by weight of a flame retardant mixture including at least one phosphorus compound of the formula PR1R2R3. A process for producing the polymer is also disclosed.Type: GrantFiled: February 7, 2011Date of Patent: April 8, 2014Assignee: BASF SEInventors: Klaus Hahn, Olaf Kriha, Ingo Bellin, Patrick Spies, Sabine Fuchs, Peter Deglmann, Klemens Massonne, Hartmut Denecke, Christoph Fleckenstein, Geert Janssens, Maximilian Hofmann, Manfred Döring, Ciesielski Michael, Jochen Wagner
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Publication number: 20130324649Abstract: Provided is an integrated molded product in which a molded resin product containing a phosphorus compound is used and an addition-reactive silicone adhesive agent is used to achieve strong bonding. The integrated molded product comprises a thermoplastic resin molded product made of a thermoplastic resin composition comprising a polybutylene terephthalate resin and a phosphorus compound, the content of the phosphorus compound being 0.5% by mass or less; an addition-reactive silicone composition; and a member; and the thermoplastic resin molded product and the addition-reactive silicone composition are brought into contact with each other. The phosphorus compound to be used is preferably a trivalent phosphorous compound.Type: ApplicationFiled: October 28, 2011Publication date: December 5, 2013Applicant: Win Tech Polymer Ltd.Inventors: Kumiko Doi, Kouichi Sakata
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Patent number: 8598280Abstract: Process for preparing molding materials MM with improved optical and color properties, consisting of a polymer PM which contains units of the formula I in which R1 and R2 are each hydrogen and methyl and R3 is hydrogen, C1-C18-alkyl, C5-C8-cycloalkyl, C6-C10-aryl, C6-C10-aryl-C1-C4-alkyl, where these radicals may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkoxy and halogen, prepared in an imidation reaction known per se in a reactive extruder, in which, on completion of the imidation reaction, an amount of one or more reducing phosphorus compounds P which is effective for color stabilization is added to the polymer PM, characterized in that the phosphorus compounds are organic phosphorus compounds OP selected from the group consisting of compounds of the formula II in which R4 and R5 are each independently hydrogen or an aromatic 6-membered ring which may be up to pentasubstituted by a C1-C4-alkyl and/or C5-C8-cycloalkyl groups.Type: GrantFiled: February 27, 2009Date of Patent: December 3, 2013Assignee: Evonik Roehm GmbHInventors: Victor Khrenov, Krzysztof Sado, Nils Mehler, Klaus Schultes, Klaus Albrecht
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Patent number: 8541489Abstract: Disclosed are polyamide compositions containing non-halogenated flame retardant and zinc stannate that have reduced corrosion effects on melt processing equipment.Type: GrantFiled: July 1, 2008Date of Patent: September 24, 2013Assignee: E I du Pont de Nemours and CompanyInventor: Yige Yin
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Publication number: 20130224461Abstract: A thermoplastic composition includes a poly(carbonate-arylate ester); and an organophosphorus compound in an amount effective to provide 0.1 to 1.0 wt % phosphorus based on the total weight of the composition, wherein an article molded from the composition has a smoke density after four minutes (Ds-4) of less than or equal to 300 determined according to ISO 5659-2 on a 3 mm thick plaque and a maximum average rate of heat release emission (MAHRE) of less than or equal to 90 kW/m2 determined according to ISO 5660-1 on a 3 mm thick plaque.Type: ApplicationFiled: February 28, 2013Publication date: August 29, 2013Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventor: SABIC Innovative Plastics IP B.V.
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Patent number: 8476372Abstract: There is provided a polyester fiber which has few defects such as voids due to catalyst particles, and low variation in physical properties and minimal fluff generation. The polyester fiber of the invention comprises laminar nanoparticles composed of a divalent metal and a phosphorus compound and having side lengths of 5-100 nm and an interlayer spacing of 1-5 nm. There are also provided a tire cord, tire, belt-reinforcing fiber material and belt, comprising the polyester fiber.Type: GrantFiled: January 12, 2010Date of Patent: July 2, 2013Assignee: Teijin Fibers LimitedInventors: Shintaro Shimada, Junichi Togasaki, Fuyuki Terasaka, Seiji Ito
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Publication number: 20130131235Abstract: The invention relates to a flameproof agent stabiliser combination containing, as component A 40-99 wt. % of a phosphinic acid salt of formula (I) and/or a diphosphinic acid salt of formula (II) and/or polymers thereof, wherein R1, R2 are the same or different and represent C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl and/or C7-C18-alkylaryl; R3 represents C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C18-alkylarylene or C7-C18-arylalkylene; M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protoned nitrogen base; m represents 1-4; n represents 1-4; x represents 1-4, as component B 1-60 wt. % of a phosphinic acid salt of general formula (III) wherein R4 represents C1-C18-alkyl linear, branched or cyclic, C6-C18-aryl, C7-C18-arylalkyl or C7-C18-alkylaryl and M represents Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base, as component C 0-50 wt.Type: ApplicationFiled: April 20, 2011Publication date: May 23, 2013Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Sebastian Hoerold, Harald Bauer
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Patent number: 8445718Abstract: There is provided to a method for efficiently producing phosphonic acid metal salt fine particles with an average particle diameter of 0.5 ?m or less with high efficiency. A method for producing phosphonic acid metal salt fine particles, comprising: a) causing a reaction of a phosphonic acid compound of Formula (I): (where R1 and R2 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an alkoxycarbonyl group having 1 to 10 carbon atoms) with a base in an aqueous medium to adjust a pH range of the reaction system to be neutral to basic; b) causing a reaction of the product obtained in a) with a metal salt to precipitate a phosphonic acid metal salt from the aqueous medium; c) removing water from the phosphonic acid metal salt precipitated in b); and d) heating and drying the phosphonic acid metal salt from which water is removed in c).Type: GrantFiled: May 12, 2010Date of Patent: May 21, 2013Assignee: Nissan Chemical Industries, Ltd.Inventors: Takeshi Suwa, Hisato Hayashi, Masaaki Ozawa
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Publication number: 20130109793Abstract: The present invention relates to a new process for preparing polyisocyanates containing isocyanurate groups and being flocculation-stable in solvents from (cyclo)aliphatic diisocyanates.Type: ApplicationFiled: October 25, 2012Publication date: May 2, 2013Inventors: Harald SCHAEFER, Shintaro Gomyo, Jing He, Horst Binder, Liang Han, Woosuk Lee
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Publication number: 20130012631Abstract: A polylactic acid based resin composition includes a polylactic acid based resin (A), a flame retardant (B) and a carbodiimide compound (C), the flame retardant (B) including at least a phosphorus compound (b1) having a phosphaphenanthrene skeleton and a hydroxy group, and the carbodiimide compound (C) including at least an aliphatic carbodiimide.Type: ApplicationFiled: January 24, 2011Publication date: January 10, 2013Applicant: NEC CORPORATIONInventors: Shin Serizawa, Yukihiro Kiuchi, Masatoshi Iji
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Patent number: 8343570Abstract: The present invention relates to thermosetting powder coating compositions comprising of at least one bismuth-containing inorganic pigment, at least one organic phosphorous stabilizer, at least one thermally polymerizable thermosetting powder coating resin and at least one crosslinker. The inventive thermosetting powder coating compositions are advantageously used where there is a need for heat resistant coatings and where only minor surface modifications during over bake conditions are acceptable. The invention also relates to the use of the inventive thermosetting powder coating compositions for the preparation of powdered paints and varnishes for the making of coatings and to coatings obtained therewith.Type: GrantFiled: November 8, 2006Date of Patent: January 1, 2013Assignee: DCC IPInventors: Thomas Gross, Conny Te Walvaart, Hub Bernsen, Jules Lahaye
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Patent number: 8338507Abstract: The present invention relates to the use of phosphinic acids and/or phosphonic acids and salts thereof for wetting fluorine compounds, in particular fluoropolymers, to the use in coating solutions comprising fluorine compounds, and to polymerisation processes in which fluorine compounds are used and/or formed.Type: GrantFiled: November 22, 2008Date of Patent: December 25, 2012Assignee: Merck Patent Gesellschaft mit Beschränkter HaftungInventors: Wolfgang Hierse, Nikolai (Mykola) Ignatyev
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Publication number: 20120165443Abstract: Disclosed is a copolyether ester elastomer resin including a polybutylene terephthalate (PBT) repeat unit, and a titanium catalyst deactivating compound.Type: ApplicationFiled: February 27, 2012Publication date: June 28, 2012Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Judith Alison Peacock, David J. Wrigley
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Patent number: 8178607Abstract: The present invention relates to a thermoplastic composition comprising at least aluminum hypophosphite (aluminum phosphinate), corresponding to the chemical formula Al(H2PO2)3 as halogen-free flame retardant agent, and at least a polymer based on polyamide. The flame retarded halogen-free thermoplastic molding compositions according to the invention is used to produce articles based on polyamide polymers with or without glass fiber reinforcement, which are flame retarded.Type: GrantFiled: January 7, 2004Date of Patent: May 15, 2012Assignee: Italmatch Chemicals S.p.A.Inventors: Silvestro Costanzi, Maurizio Leonardi
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Publication number: 20120083558Abstract: The invention relates to a flame-retardant polyamide molding composition based on semicrystalline polyamides. This polyamide molding composition is based on (A) from 30 to 92% by weight of at least one aliphatic or semiaromatic, semicrystalline polyamide with melting point (Tm) in the range from 240° C. to 340° C.; (B) from 0 to 50% by weight of at least one filler and reinforcing agent; (C) from 8 to 18% by weight of at least one halogen-free flame retardant; (D) from 0 to 2.0% by weight of at least one barium carboxylate; (E) from 0 to 5% by weight of at least one additive; wherein the percentages by weight of components (A) to (E) give a total of 100%, and with the proviso that if the proportion of component (D) is in the range from 0 to 0.1% by weight the halogen-free flame retardant of component (C) is based on a barium phosphinate.Type: ApplicationFiled: June 5, 2009Publication date: April 5, 2012Applicant: EMS-PATENT AGInventors: Andreas Bayer, Nikolai Lamberts
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Publication number: 20120040115Abstract: The invention relates to a composition comprising, relative to the total weight of the composition: between 25% and 52% by weight of at least one semi-crystalline or amorphous polyamide, having an amine chain-end content of less than 0.040 meq/g, between 24% and 40% by weight of at least one reinforcer, and between 24% and 35% by weight of at least one metal salt, optionally contained in a polymer, chosen from a metal salt of phosphinic acid, a metal salt of diphosphinic acid, and a mixture thereof. The invention also relates to the process for preparing this composition and its use.Type: ApplicationFiled: January 27, 2010Publication date: February 16, 2012Applicant: Arkema FranceInventors: Philippe Blondel, Eric Gamache, Benjamin Saillard, Barbara Ramfel
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Publication number: 20110306710Abstract: Disclosed is a method for increasing the solid state polymerization (SSP) rates of metal catalyzed polyesters. The method comprises in a first step, reacting a dicarboxylic acid or a C1-C4 dicarboxylic diester with a diol at a suitable temperature and pressure to effect esterification or transesterification to prepare a precondensate and in a second step, reacting the precondensate to effect polycondensation at a suitable temperature and pressure to prepare a high molecular weight polyester and in a third step, further increasing the molecular weight and viscosity of the polyester under SSP conditions of a suitable temperature and pressure, where a metal catalyst is added in the first step or in the second step as a reaction catalyst, and where a certain phosphinic acid compound is added in the first step, in the second step or just prior to the third step. The polyester product exhibits low aldehyde formation during melt processing steps as well as excellent color.Type: ApplicationFiled: August 22, 2011Publication date: December 15, 2011Inventors: Paul Odorisio, Stephen M. Andrews, Thomas F. Thompson, Si Wu, Paragkumar Thanki, Deepak M. Rane, Delina Joseph, Jianzhao Wang
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Publication number: 20110281983Abstract: The invention relates to a method for producing monohydroxy-functionalized dialkylphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, b) the, obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with alkylene oxides of formula (V) in the presence of a catalyst B to obtain a monofunctionalized dialkylphosphinic acid derivative (III), wherein R1, R2, R3, R4, R5, R6, R7, R8 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, and X represents H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogenous base, catalyst A represents transition metals and/or transition metal compounds and/or catalyst systems composed of a transitiType: ApplicationFiled: October 6, 2009Publication date: November 17, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Werner Krause, Martin Sicken
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Publication number: 20110275743Abstract: A flame-retardant thermoplastic resin composition that has a largely decreased corrosiveness to metals while maintaining a high degree of flame retardancy is provided, which is produced by adding a phosphinic acid salt and a compound having a specific structure to a thermoplastic resin, and molded articles with largely decreased corrosiveness to metals are also provided, so that useful molded articles can be provided as materials for mechanical machine parts, electric/electronic components, and automotive parts. The flame-retardant thermoplastic resin composition includes 65 to 99 wt % of (A) a thermoplastic resin, 1 to 35 wt % of (B) at least one phosphinic acid salt selected from the group of phosphinic acid salt, diphosphinic acid salt, polymer of phosphinic acid salts, and polymer of diphosphinic acid salts, and 0.001 to 0.70 wt % of (C) a compound having a specific, and molded articles produced therefrom.Type: ApplicationFiled: July 5, 2010Publication date: November 10, 2011Applicant: TORAY INDUSTRIES, INC.Inventors: Hiromitsu Ishii, Kentaro Togawa, Sadanori Kumazawa
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Patent number: 8048945Abstract: 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: February 4, 2010Date of Patent: November 1, 2011Assignee: Solvay Advanced Polymers, L.L.C.Inventor: Mohammad Jamal El-Hibri
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Publication number: 20110245386Abstract: The invention relates to a method for producing mixed-substituted dialkyiphosphinic acids, esters, and salts, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) in the presence of a catalyst A to obtain an alkylphosphonous acid, the salt or ester (II) thereof, b) the obtained alkylphosphonous acid, the salt or ester (II) thereof is reacted with an olefin (IV) in the presence of a catalyst B to obtain the mixed-substituted dialkylphosphinic acid derivative (III), wherein R1, R2, R3, R4, R11, R12, R13, R14 are identical or different from each other and independently represent, inter alia, H, C1-C18-alkyl, C6-C18-aryl, C6-C18-aralkyl, C6-C18-alkylaryl, X represents H, C1-C18-alkyl, C8-C18-aryl, C6-C18-aralkyl, C8-C18-alkylaryl, Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Cu, Ni, Li, Na, K and/or a protonated nitrogenous base, catalyst A represents transition metals and/or transition metal compounds and/or catalyst systems composed of a transition metal and/or a transitType: ApplicationFiled: October 6, 2009Publication date: October 6, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Werner Krause, Martin Sicken
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Publication number: 20110224338Abstract: This invention relates to a method for additivating polymer resins with antioxidants and antiUV stabilsers. It is particularly suitable for resins used rotomoulding applications.Type: ApplicationFiled: October 1, 2009Publication date: September 15, 2011Applicant: TOTAL PETROCHEMICALS RESEARCH FELUYInventor: Eric Maziers
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Publication number: 20110213062Abstract: The invention relates to a method for producing mono-hydroxyfunctionalized dialkylphosphinic acids and esters and salts thereof, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with acetylenic compounds of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted with carbon monoxide to yield a mono-functionalized dialkylphosphinic acid derivative (VII) in the presence of a catalyst C, and d) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VII); is reacted to yield a mono-hydroxyfunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst D, wherein R1, R2, R3, R4, R5, R6 are the same or different and stanType: ApplicationFiled: October 6, 2009Publication date: September 1, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Werner Krause, Martin Sicken
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Publication number: 20110213061Abstract: The invention relates to a method for producing mono-aminofunctionalized dialkylphosphinic acids and esters and salts thereof, characterized in that a) a phosphinic acid source (I) is reacted with olefins (IV) to yield an alkylphosphonic acid, salt or ester (II) thereof in the presence of a catalyst A, b) the thus obtained alkylphosphonic acid, salt or ester (II) thereof is reacted with acetylenic compounds of formula (V) to yield a mono-functionalized dialkylphosphinic acid derivative (VI) in the presence of a catalyst B, and c) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VI) is reacted with a hydrogen cyanide source to yield a mono-functionalized dialkylphosphinic acid derivative (VII) in the presence of a catalyst C, and d) the thus obtained mono-functionalized dialkylphosphinic acid derivative (VII); is reacted to yield a mono-aminofunctionalized dialkylphosphinic acid derivative (III) in the presence of a catalyst D or a reduction agent, wherein R1, R2, R3, R4, R5, R6 are theType: ApplicationFiled: October 6, 2009Publication date: September 1, 2011Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Werner Krause, Martin Sicken
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Publication number: 20110184101Abstract: Disclosed is a thermoplastic polyester resin composition excellent in flame resistance, mechanical strength, and laser printability. The thermoplastic resin composition comprising 100 parts by weight of a thermoplastic polyester resin (A), 5 to 60 parts by weight of a phosphinate (B) represented by the following formula (1) or (2), 0.1 to 20 parts by weight of an organosiloxane (C), and 0.01 to 30 parts by weight of a colemanite (D), wherein the organosiloxane (C) is an organosiloxane compound (C-a) comprising organic groups bonding to a silicon atom directly or through an oxygen atom, wherein 40 mole % or more of the organic groups are an aryl group, and/or an organosiloxane polymer (C-b) in the form of solid at 25° C.Type: ApplicationFiled: July 22, 2009Publication date: July 28, 2011Applicant: MITSUBISHI ENGINEERING-PLASTICS CORPORATIONInventor: Yasushi Yamanaka
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Publication number: 20110130490Abstract: The present invention is a flame-retardant polyurethane composition comprising (a) a thermoplastic polyurethane-based resin component, (b) a phosphorus flame retardant particulate filler, and (c) a low melting temperature phosphorus flame retardant agent.Type: ApplicationFiled: July 30, 2008Publication date: June 2, 2011Inventors: Geoffrey D. Brown, Given Jing Chen, Kawai Peter Pang, Robert F. Eaton, Manish Mundra, Anteneh Z. Worku
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Patent number: 7919541Abstract: The present invention concerns a method of manufacturing flame-retardant polyethylene or polypropylene foam using a derivative of carboxylic acid of phenylphosphinic acid and the flame-retardant polymer foam made thereby. More specifically, this invention concerns a method of manufacturing highly expanded flame-retardant polymer foam prepared by mixing the above mentioned phosphorous flame retardant in a polymer resin and expanding the mixture with a volatile blowing agent or by applying a solution of an organic phosphorous compound to an already-made highly expanded foam and then drying the highly-expanded polymer foam, and the flame-retardant foam prepared thereby.Type: GrantFiled: May 2, 2007Date of Patent: April 5, 2011Inventor: Chung Poo Park
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Publication number: 20110015317Abstract: Process for preparing moulding materials MM with improved optical and colour properties, consisting of a polymer PM which contains units of the formula I in which R1 and R2 are each hydrogen and methyl and R3 is hydrogen, C1-C18-alkyl, C5-C8-cycloalkyl, C6-C10-aryl, C6-C10-aryl-C1-C4-alkyl, where these radicals may be up to trisubstituted by radicals selected from the group consisting of C1-C4-alkoxy and halogen, prepared in an imidation reaction known per se in a reactive extruder, in which, on completion of the imidation reaction, an amount of one or more reducing phosphorus compounds P which is effective for colour stabilization is added to the polymer PM, characterized in that the phosphorus compounds are organic phosphorus compounds OP selected from the group consisting of compounds of the formula II in which R4 and R5 are each independently hydrogen or an aromatic 6-membered ring which may be up to pentasubstituted by a C1-C4-alkyl and/or C5-C8-cycloalkyl groups.Type: ApplicationFiled: February 27, 2009Publication date: January 20, 2011Applicant: Evonik Roehm GmbHInventors: Victor Khrenov, Krzysztof Sado, Nils Mehler, Klaus Schultes, Klaus Albrecht
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Patent number: 7829614Abstract: 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: GrantFiled: December 30, 2008Date of Patent: November 9, 2010Assignee: Sabic Innovative Plastics IP B.V.Inventors: Tianhua Ding, Sung Dug Kim
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Publication number: 20100273921Abstract: The present invention relates to the use of phosphinic acids and/or phosphonic acids and salts thereof for wetting fluorine compounds, in particular fluoropolymers, to the use in coating solutions comprising fluorine compounds, and to polymerisation processes in which fluorine compounds are used and/or formed.Type: ApplicationFiled: November 22, 2008Publication date: October 28, 2010Inventors: Wolfgang Hierse, Nikolai (Mykola) Ignatyev
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Publication number: 20100190901Abstract: The invention relates to alkylphosphonous acids, salts and esters of formula (I) A-P(?O)(OX)—H (I) wherein A is C2-C20alkyl, C2-C20alkylene, and C8-C20 alkaryl are optionally substituted, and X is H, alkyl, aryl, alkylaryl, alkenyl, substituted alkyl, aryl, alkaryl, alkenyl, ammonium, primary, secondary, tertiary, quaternary alkyl and/or aryl ammonium, an alkali metal, an alkaline earth metal, a metal of the third and fourth main group and the second, fourth and eight sub-group or a metal of the lanthanoid group. The invention also relates to methods for producing same and to the uses of said compounds.Type: ApplicationFiled: July 2, 2008Publication date: July 29, 2010Applicant: CLARIANT FINANCE (BVI) LIMITEDInventors: Michael Hill, Harald Bauer, Werner Krause
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Patent number: 7750171Abstract: Process for preparing catalyst assemblies by mixing a metal catalyst capable of catalyzing a hydrosilylation reaction and an organophosphorus inhibitor of the formula (I) or of formula (VIII) P(OR)3, either by mixing the inhibitor into a solution of catalyst in an unsaturated silane or siloxane or by mixing the inhibitor into a gum or oil at a temperature greater than the melting temperature or softening temperature of the organophosphorus compound, then mixing the catalyst. Catalyst assemblies, process for preparing one-component silicone compositions, and resultant compositions.Type: GrantFiled: June 26, 2008Date of Patent: July 6, 2010Assignee: Bluestar Silicones FranceInventors: Sébastien Sterin, Rémi Thiria
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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: 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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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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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