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: 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: 20140179817Abstract: Disclosed herein are compositions including a cross-linked polycarbonate. The cross-linked polycarbonate may be derived from a polycarbonate having about 0.5 mol % to about 5 mol % endcap groups derived from a monohydroxybenzophenone. A plaque including the composition can achieve a UL94 5VA rating. Also disclosed herein are articles including the compositions, methods of using the compositions, and processes for preparing the compositions.Type: ApplicationFiled: December 20, 2013Publication date: June 26, 2014Applicant: SABIC Innovative Plastics IP B.V.Inventors: Jean-Francois Morizur, Paul Dean Sybert
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Patent number: 8759429Abstract: Disclosed herein is a flame-retardant copolyetherester composition comprising: (a) at least one copolyetherester; (b) about 5-35 wt % of at least one halogen-free flame retardant; (c) about 0.1-20 wt % of at least one nitrogen-containing compound; (d) about 0.1-10 wt % of at least one aromatic phosphate and (e) about 0.1-10 wt % of at least at least one novolac resin. Further disclosed herein are articles comprising component parts formed of the flame-retardant copolyetherester composition.Type: GrantFiled: December 6, 2012Date of Patent: June 24, 2014Assignee: E I du Pont de Nemours and CompanyInventor: Yong Ni
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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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Publication number: 20140127438Abstract: The disclosure relates to a high-density polyethylene (HDPE) composition with resistance to deterioration in the presence of chlorinated and non-chlorinated water at temperatures in the range of about 0° C. to about 100° C., due to a particular stabilizer system which is composed of a hindered phenol antioxidant, a phosphonite or phosphine antioxidant, and a natural or synthetic hydrotalcite. The stabilizer system is specifically tailored to protect the HDPE as well as other polyolefins against deterioration and degradation.Type: ApplicationFiled: November 8, 2012Publication date: May 8, 2014Inventors: ROBERT L. SHERMAN, JR., Sebastian JOSEPH
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Patent number: 8697788Abstract: This invention seeks to provide a resin composition and a molded article which are excellent in transparency, weatherability, resistance to boiling water and resistance to molding heat, which have an internal strain reduced and which are excellent in breaking durability. This invention is a resin composition comprising (A) 100 parts by weight of a polycarbonate resin (component A), (B) 0.005 to 1 part by weight of an ester (component B) of pentaerythritol and an aliphatic carboxylic acid, (C) 0.003 to 0.2 part by weight of an epoxy compound (component C), (D) 0.01 to 1 part by weight of an ultraviolet absorbent (component D), and (E) 0.001 to 0.5 part by weight of a phosphorus stabilizer (component E), wherein the components B and the component C have a critical stress of 12 MPa or more each when they are treated at a temperature of 120° C.Type: GrantFiled: May 28, 2010Date of Patent: April 15, 2014Assignee: Teijin Chemicals, Ltd.Inventors: Seiichi Tanabe, Atsushi Kitamura
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Publication number: 20140099458Abstract: A polymer composition that contains a liquid crystalline polymer and a metallic pigment formed from metal particles and a carrier resin is provided. The polymer composition also contains an organophosphorous antioxidant that can help reduce the production of odorous compounds at high temperatures. The carrier resin used to form the metallic pigment may also be selectively controlled to minimize the production of odorous compounds. For example, the carrier resin may be a nonpolar wax with a relatively low acid value (e.g., polyolefin wax).Type: ApplicationFiled: September 19, 2013Publication date: April 10, 2014Applicant: Ticona LLCInventors: Mark Allen Tyler, Bruce Michael Mulholland
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Patent number: 8669307Abstract: A subject-matter of the invention is the use of a polyamide powder possessing a fireproofing property in a process for the manufacture of an object made of polyamide by sintering this powder using radiation, the said powder comprising, by weight, 2 to 40% of at least one flame retardant for respectively 98 to 60% of at least one polyamide, the flame retardant being a blend of at least one organic phosphinate of a metal and of at least ammonium polyphosphate.Type: GrantFiled: October 15, 2012Date of Patent: March 11, 2014Assignee: Arkema FranceInventors: Patrick Douais, Gregory Filou
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Publication number: 20140061155Abstract: A copolymer composition and a method of processing a substrate to form line space features thereon are provided.Type: ApplicationFiled: August 31, 2012Publication date: March 6, 2014Applicants: DOW GLOBAL TECHNOLOGIES LLC., ROHM AND HAAS ELECTRONIC MATERIALS LLC.Inventors: Xinyu Gu, Shih-Wei Chang, Rahul Sharma, Valeriy Ginzburg, Phillip Hustad, Jeffrey Weinhold, Peter Trefonas
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Publication number: 20140065405Abstract: A flame retardant polyamide fiber is prepared from a composition containing specific amounts of a polyamide, a poly(phenylene ether), a flame retardant that includes a metal dialkylphosphinate, and a compatibilizing agent. The composition used to form the fiber can be prepared in a process that includes melt blending a portion of the polyamide with all the other ingredients to form an intermediate composition, and then melt blending the intermediate composition with the remainder of the polyamide. The composition has small disperse phase particles that facilitate its use to melt spin fibers.Type: ApplicationFiled: October 12, 2012Publication date: March 6, 2014Inventors: Jung Ah Lee, Sai-Pei Ting, Hua Guo
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Patent number: 8653168Abstract: The invention relates to a thermoplastic molding composition comprising a) from 30 to 95% by weight of at least one aliphatic polyamide or copolyamide, as component A, b) from 1 to 15% by weight of at least one cyclic phenoxyphosphazene having at least 3 phenoxyphosphazene units, as component B, c) from 3 to 20% by weight of at least one (di)phosphinate salt, as component C, d) from 1 to 15% by weight of at least one reaction product of melamine with a phosphorus acid, as component D, e) from 0 to 5% by weight of at least one metal borate, as component E, f) from 0 to 20% by weight of at least one impact-modifying polymer, as component F, g) from 0 to 50% by weight of glass fibers, as component G, and h) from 0 to 30% by weight of further additives, as component H, where the total amount of components A to H gives 100% by weight.Type: GrantFiled: May 8, 2012Date of Patent: February 18, 2014Assignee: BASF SEInventor: Alexander König
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Publication number: 20140011925Abstract: The present invention relates to halogen free flame retardant polyamide composition for moulded articles formed therefrom, comprising one or more semi-aromatic polyamide and a flame retardant system comprising a phosphinate and/or disphosphinate flame retardant and an phosphate ester flame retardant. Such halogen free flame retardant non reinforced polyamide compositions are suitable for making moulded articles for use in a variety of applications including electrical and electronic parts.Type: ApplicationFiled: July 1, 2013Publication date: January 9, 2014Applicant: E I DU PONT DE NEMOURS AND COMPANYInventor: PHILIPPE PAUCHARD
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Publication number: 20130331478Abstract: In one aspect, the invention relates to crosslinkable, flame retardant polymer compositions are provided comprising a polyamide or polyester; a flame retardant system; a crosslinking agent; and a flame retardant system coagent. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.Type: ApplicationFiled: May 24, 2013Publication date: December 12, 2013Inventors: Domenico La Camera, Hendrik Kormelink, Jelena Bozovic-Vukic, Yohana Pérez
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Patent number: 8575246Abstract: 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: GrantFiled: July 5, 2010Date of Patent: November 5, 2013Assignee: Toray Industries, Inc.Inventors: Hiromitsu Ishii, Kentaro Togawa, Sadanori Kumazawa
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Patent number: 8563625Abstract: The invention relates to hydrophilized curable silicone compositions which contain organopolysiloxanes, hydrophilizers and at least one stabilizing phosphorous compound. The compositions are particularly suitable as curable impression materials in dental applications, especially as wash impression materials.Type: GrantFiled: October 17, 2012Date of Patent: October 22, 2013Assignee: 3M Innovative Properties CompanyInventors: Joachim Wilhelm Zech, Rainer Guggenberger, Henning Hoffmann
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Publication number: 20130274390Abstract: To provide a technique in which a phosphorus compound does not inhibit curing of an addition reaction type silicone-based composition even though the addition reaction type silicone-based composition is in contact with a resin molded product containing the phosphorus compound. An integrated molded product including a thermoplastic resin molded product containing a phosphorus compound, an addition reaction type silicone-based composition, and a member, in which: the thermoplastic resin molded product is in contact with the addition reaction type silicone-based composition; and a pentavalent phosphorus compound is used as the phosphorus compound. The thermoplastic resin molded product preferably contains a polybutylene terephthalate resin in light of heat resistance.Type: ApplicationFiled: August 17, 2011Publication date: October 17, 2013Applicant: POLYPLASTICS CO., LTD.Inventor: Kouichi Sakata
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Publication number: 20130267636Abstract: A process for preparing high melt strength propylene polymers is provided. The process comprises: blending base propylene polymers with 0.1 to 1% w/w of polyfunctional acrylate monomer, in the presence of 10 to 50 ppm organic peroxide and 0.2 to 20% w/w of an additive such as stabilizer, acid neutralizer, antioxidants or lubricants. The high strength modified propylene polymers obtained have 30 to 60% of increased melt strength than that of the base propylene polymers.Type: ApplicationFiled: October 11, 2011Publication date: October 10, 2013Applicant: RELIANCE INDUSTRIES LTD.Inventors: Umasankar Satpathy, Ajit Behari Mathur
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Patent number: 8552095Abstract: A flame-retardant polymer composition includes specific amounts of polyamide, acid-functionalized poly(phenylene ether), polyimide, and metal dialkylphosphinate. The composition, which exhibits improved flame retardancy and tensile modulus relative to known blends of poly(phenylene ether), polyamide, and polyimide, is useful for forming electrical components, such as photovoltaic junction boxes and connectors, inverter housings, automotive electrical connectors, electrical relays, and charge couplers.Type: GrantFiled: September 25, 2012Date of Patent: October 8, 2013Assignee: Sabic Innovations Plastics IP B.V.Inventors: Snezana Grcev, Arno Hagenaars
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Publication number: 20130261234Abstract: Flame retardant polycarbonate compositions that exhibit a balance of impact resistance, heat resistance, and pencil hardness.Type: ApplicationFiled: March 30, 2012Publication date: October 3, 2013Inventor: Shiping MA
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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: 20130231424Abstract: A semi-aromatic polyamide film including a semi-aromatic polyamide resin including a dicarboxylic acid mainly composed of terephthalic acid and a diamine mainly composed of an aliphatic diamine having 9 carbon atoms, wherein a number density of fish-eyes of 0.01 mm2 or more in size present in the film is 100/1000 cm2 or less.Type: ApplicationFiled: November 17, 2011Publication date: September 5, 2013Applicants: KURARAY CO., LTD., UNITIKA LTD.Inventors: Arihiro Anada, Kozo Tamura, Yuji Munesawa
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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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Publication number: 20130210975Abstract: The invention relates to a novel flameproof agent stabiliser combination for thermoplastic and duroplastic polymers, containing, as component A 25 - 97.7 wt % of a dialkylphosphinic 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-C6-alkyl, linear or branched and/or aryl; R3 represents C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C20-alkylarylene or C7-C20-arylalkylene; 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; m represents 1-4; n represents 1-4; x represents 1-4, as component B 2-45 wt. % of a monoalkylphosphinic acid salt of general formula (Ill), wherein R4 represents C1-C6-alkyl, linear or branched; 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; representing, as component C 0.3 - 30 wt.Type: ApplicationFiled: April 20, 2011Publication date: August 15, 2013Applicant: Clariant Finance (BVI) LimitedInventors: Sebastian Hoerold, Harald Bauer, Michael Hill
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Patent number: 8497337Abstract: A process for producing water-absorbing polymer particles, wherein at least one aliphatic aldehyde or reaction product thereof with an aliphatic alcohol, an aliphatic amine, ammonia, a hypophosphite or a phosphite is added.Type: GrantFiled: November 15, 2010Date of Patent: July 30, 2013Assignee: BASF SEInventors: Norbert Herfert, Thomas Daniel
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Patent number: 8487024Abstract: The present invention relates to a polyamide obtainable by polymerizing an (a) dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and a (b) diamine comprising at least 50 mol % of a diamine having a substituent branched from a main chain.Type: GrantFiled: March 11, 2009Date of Patent: July 16, 2013Assignee: Asahi Kasei Chemicals CorporationInventors: Yasukazu Shikano, Teruaki Sakuma, Hiroki Matsui, Masaaki Aramaki, Yu Nitto, Shinji Ieda
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Patent number: 8461236Abstract: The present invention provides a novel phosphoric compound, a method for preparing the same, and a thermoplastic resin composition including the same. A thermoplastic resin composition comprising the phosphoric compound of the present invention can have excellent flame retardancy, and can be eco-friendly because the phosphoric compound does not generate toxic gas during molding or combustion.Type: GrantFiled: June 2, 2011Date of Patent: June 11, 2013Assignee: Cheil Industries Inc.Inventors: Min Soo Lee, Beom Jun Joo
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Patent number: 8450407Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of a polyamide B) from 0.001 to 20% by weight of iron powder with a particle size of at most 10 ?m (d50 value) C) from 1 to 40% by weight of a halogen-free flame retardant from the group of the phosphorus- or nitrogen-containing compounds or P—N condensates, or a mixture of these D) from 0 to 70% by weight of further additives, where the total of the percentages by weight of components A) to D) is 100%.Type: GrantFiled: October 18, 2010Date of Patent: May 28, 2013Assignee: BASF SEInventors: Manoranjan Prusty, Martin Baumert, Michael Roth, Uske Klaus
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Patent number: 8415415Abstract: Halogen-free flame retardant compositions exhibiting flame retardance and retention of mechanical properties, especially elongation at break, upon long-term high temperature exposure and comprising a) at least one copolyester thermoplastic elastomer, and b) from at or about 1 to at or about 30 weight percent, based on the total weight of the composition, of at least one flame retardant comprising a phosphinate, diphosphinate and/or polymers of these; c) from at or about 0.25 to at or about 15 weight percent, based on the total weight of the flame retardant composition, of one or more polyhydroxy polymers having a number average molecular weight of at least 2000 and selected from the group consisting of ethylene vinyl alcohol copolymers and poly(vinyl alcohol)s.Type: GrantFiled: August 17, 2011Date of Patent: April 9, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Eleni Karayianni, David J. Wrigley
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Publication number: 20130081850Abstract: A conduit that contains an elongate member that defines a hollow passageway is provided. The conduit may be used to convey electricity (e.g., jacket of a communication cable, raceway for protecting a communication cable, etc.), fluids (e.g., pipes), etc. In one embodiment, for example, the conduit may be a raceway for use in a plenum of a building structure. Regardless of the type of conduit, at least a portion of the elongate member is formed from a thermoplastic composition that contains a polyarylene sulfide and fire-resisting system. Due in part to the specific nature and concentration of these components, the present inventors have discovered that the resulting thermoplastic composition may have a relatively high melting temperature.Type: ApplicationFiled: September 4, 2012Publication date: April 4, 2013Applicant: TICONA LLCInventors: Christopher McGrady, Kaushik Chakrabarty, David McIlroy, Xinyu Zhao
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Patent number: 8410227Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.99% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of a hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, Part 2), C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%.Type: GrantFiled: May 29, 2012Date of Patent: April 2, 2013Assignee: BASF SEInventors: Andreas Eipper, Bernd Bruchmann, Dietrich Scherzer, Jean-Francois Stumbe, Carsten Weiβ, Freddy Gruber
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Publication number: 20130072586Abstract: 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.Type: ApplicationFiled: August 23, 2012Publication date: March 21, 2013Applicant: Polnox CorporationInventors: Vijayendra Kumar, Rajesh Kumar, Ashish Dhawan, Sui-Zhou Yang, Ashok L. Cholli
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Patent number: 8399768Abstract: The invention relates to an insulated wire for use in electronic equipment, comprising an electrically conductive core and an insulating layer and/or an insulating jacket consisting of a flame retardant elastomeric composition surrounding the electrically conductive core, wherein the flame retardant elastomeric composition comprises a elastomeric polymer selected from the group consisting of styrenic block copolymers, olefinic thermoplastic elastomers and combinations thereof; and a metal salt of a phosphinic acid of the formula [R1R2P(O)O]?mMm+ (formula I) and/or a diphosphinic acid of the formula [O(O)PR1—R3—PR2(O)O]2?nMxm+ (formula II), and/or a polymer thereof, wherein R1 and R2 are equal or different substituents chosen from the group consisting of hydrogen, linear, branched and cyclic C1-C6 aliphatic groups, and aromatic groups, R3 is chosen from the group consisting of linear, branched and cyclic C1-C10 aliphatic groups and C6-C10 aromatic and aliphatic-aromatic groups, M is a metal chosen from the groType: GrantFiled: August 5, 2011Date of Patent: March 19, 2013Assignee: DSM IP Assets B.V.Inventor: Angelika Schmidt
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Patent number: 8378012Abstract: A flame retardant composition is provided which contains at least one phosphate ester containing at least one acidic substance resulting from the process of its manufacture, at least one acidity-reducing hydrotalcite and, optionally, at least one acidity-reducing oxetane. The flame retardant composition is especially useful for addition to resins that are susceptible to hydrolytic degradation such as polyesters and polycarbonates, and to resin blends (alloys) containing one or more of such resins, e.g., a blend of polycarbonate and acrylonitrile butadiene-styrene terpolymer.Type: GrantFiled: November 7, 2006Date of Patent: February 19, 2013Assignee: ICL-IP America Inc.Inventors: Paul Y. Moy, Leslie Bright
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Publication number: 20130041061Abstract: A subject-matter of the invention is the use of a polyamide powder possessing a fireproofing property in a process for the manufacture of an object made of polyamide by sintering this powder using radiation, the said powder comprising, by weight, 2 to 40% of at least one flame retardant for respectively 98 to 60% of at least one polyamide, the flame retardant being a blend of at least one organic phosphinate of a metal and of at least ammonium polyphosphate.Type: ApplicationFiled: October 15, 2012Publication date: February 14, 2013Applicant: Arkema FranceInventor: Arkema France
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Patent number: 8362146Abstract: Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate with 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 an impact-modifying polymer, 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: GrantFiled: August 2, 2005Date of Patent: January 29, 2013Assignee: BASF SEInventors: Andreas Eipper, Bernd Bruchmann, Carsten Weiβ, Jean-Francois Stumbe
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Patent number: 8362122Abstract: Thermoplastic molding compositions comprising A) from 10 to 98.9% by weight of at least one thermoplastic polyester, 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 the AxBy type where x is at least 1.1 and y is at least 2.1 or mixtures thereof C) from 0.1 to 10% by weight of at least one carbodiimide, D) from 0 to 60% by weight of further additives, the sum of the percentages by weight of components A) to D) adding up to 100%.Type: GrantFiled: February 1, 2006Date of Patent: January 29, 2013Assignee: BASF SEInventors: Dietrich Scherzer, Bernd Bruchmann, Andreas Eipper, Karl Häberle, Carsten Weiss, Michaela Liese, Mark Völkel
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Patent number: 8338511Abstract: 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: GrantFiled: July 22, 2009Date of Patent: December 25, 2012Assignee: Mitsubishi Engineering-Plastics CorporationInventor: Yasushi Yamanaka
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Patent number: 8324297Abstract: Polyamide molding composition, in particular for use for components of electronic and/or electrical components, having the following composition: (A) 30-100% by weight of a partially aromatic, partially crystalline copolyamide made up of 100% by weight of diacid fraction composed of: 72.0-98.3% by weight of terephthalic acid (TPA) and/or naphthalenedicarboxylic acid; 28.0-1.7% by weight of isophthalic acid (IPA) and 100% by weight of diamine fraction composed of: 51.0-80.0% by weight of 1,6-hexanediamine (HMDA); 20.0-49.0% by weight of aliphatic, unbranched C9-C12-diamine; (B) 0-70% by weight of fillers and reinforcing materials; (C) 0-25% by weight of flame retardants; (D) 0-5% by weight of additives; where the components (A)-(D) add up to 100% by weight.Type: GrantFiled: January 26, 2011Date of Patent: December 4, 2012Assignee: EMS-Patent AGInventors: Manfred Hewel, Andreas Bayer
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Patent number: 8314169Abstract: A thermoplastic polymer composition that employs a flame retardant formed from a phosphinic compound and organometallic phosphoric compound is provided. The present inventor has discovered that the organometallic phosphoric compound can counteract the tendency of the phosphinic compound to degrade the mechanical properties of the composition when used at certain concentrations. Furthermore, the present inventor has also surprisingly discovered that the organometallic phosphoric compound may itself act as a flame retardant and thus contribute to the overall flammability performance of the composition. Among other things, this allows compositions to be formed with a lower phosphinic content with the same flammability performance.Type: GrantFiled: July 13, 2009Date of Patent: November 20, 2012Assignee: Ticona LLCInventor: Ram Narayanan
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Patent number: 8293938Abstract: 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: GrantFiled: July 2, 2008Date of Patent: October 23, 2012Assignee: Clariant Finance (BVI) LimitedInventors: Michael Hill, Harald Bauer, Werner Krause
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Patent number: 8293823Abstract: 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: GrantFiled: October 6, 2005Date of Patent: October 23, 2012Assignee: BASF SEInventors: Jochen Engelmann, Bernd Bruchmann, Andreas Eipper, Jean-Francois Stumbe, Carsten Weiss, Dietrich Scherzer, Michaela Liese, Mark Volkel
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Patent number: 8278376Abstract: 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. 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 5, 2008Date of Patent: October 2, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Weili Qiu, Jian Guo, Xiucuo Li, Hua Guo
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Patent number: 8263716Abstract: Thermoplastic molding compositions comprising A) from 10 to 99.99% by weight of at least one thermoplastic polyester B) from 0.01 to 50% by weight of a highly branched or hyperbranched polyester of AxBy type where x is at least 1.1 and y is at least 2.1 C) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to C) is 100%.Type: GrantFiled: February 2, 2005Date of Patent: September 11, 2012Assignee: BASF AktiengesellschaftInventors: Andreas Eipper, Bernd Bruchmann, Dietrich Scherzer, Jean-Francois Stumbe, Carsten Weiss, Freddy Gruber
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Publication number: 20120214914Abstract: A dimethyl terephthalate residual composition comprising a. dimethyl terephthalate derived from a terephthalic-containing polyester homopolymer, terephthalic-containing polyester copolymer, or a combination thereof and b. from more than 0 to less than 3.6 wt. % of a residual component selected from dimethyl isophthalate, cyclohexane dimethanol, diethylene glycol, triethylene glycol, and combinations thereof.Type: ApplicationFiled: February 22, 2011Publication date: August 23, 2012Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventors: Philip Wesley BELL, Dhaval SHAH
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Publication number: 20120214913Abstract: A dimethyl terephthalate residual composition comprising a. dimethyl terepthalate derived from a terephthalic-containing polyester homopolymer, terephthalic-containing polyester copolymer, or a combination thereof; and b. from more than 0 to less than 4.2 wt. % of a residual component selected from dimethyl isophthalate, cyclohexane dimethanol, diethylene glycol, triethylene glycol, and combinations thereof.Type: ApplicationFiled: February 22, 2011Publication date: August 23, 2012Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventors: Philip Wesley BELL, Dhaval Shah
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Publication number: 20120208936Abstract: 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: September 17, 2010Publication date: August 16, 2012Inventors: Rolf Wehrmann, Helmut Werner Heuer
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Patent number: 8236881Abstract: 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.Type: GrantFiled: December 20, 2011Date of Patent: August 7, 2012Assignee: BASF SEInventor: Michael Roth
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Patent number: 8206832Abstract: There is provided a photosensitive thermosetting resin composition of an alkali development type from which it is possible to form a coating film that is halogen-free yet has high-level flame retardancy, has a superior low warpage property after it is cured, is excellent in plasticity, resolution, soldering heat resistance, chemical resistance, and the like, and a flexible printed circuit board using the same.Type: GrantFiled: November 29, 2007Date of Patent: June 26, 2012Assignee: Kyocera Chemical CorporationInventors: Tetsuya Ezaki, Masakazu Fujiwara, Masanobu Yanahara
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Patent number: 8193263Abstract: A flame-retardant glass fiber-reinforced polyamide resin composition, containing: 100 parts by mass of a flame-retardant resin composition consisting of (A) 60 to 90 percent by mass of a polyamide resin, and (B) 40 to 10 percent by mass of a flame retardant containing no halogen atom, (A)+(B) being 100 percent by mass; and 60 to 210 parts by mass of a flattened glass fiber (C) having a flat section of 1.5-10 in a ratio of major axis/minor axis, wherein the polyamide resin (A) contains a crystalline polyamide resin (a1) and an amorphous polyamide resin (a2), the flame retardant containing no halogen atom (B) contains a phosphinate (b1) and/or a diphosphinate (b2), and a blending ratio of the amorphous polyamide resin (a2) in the polyamide resin (A) is 0.1?(a2)/(A)?0.5.Type: GrantFiled: September 2, 2008Date of Patent: June 5, 2012Assignee: Unitika Ltd.Inventor: Shigeta Fujii