Spiro Ring Patents (Class 524/120)
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Patent number: 8262945Abstract: Photochromic compositions are disclosed comprising a polymeric material, a photochromic dye, a hydroxyphenyl triazine UV absorber and, optionally, a further light stabilizer selected from the sterically hindered amines. These systems provide a reversible photochromic effect and show improved light stabilization and color fastness.Type: GrantFiled: July 24, 2009Date of Patent: September 11, 2012Assignee: BASF SEInventors: Mara Destro, Dario Lazzari, Dirk Simon, Manuele Vitali
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Patent number: 8222330Abstract: A polycarbonate resin composition comprises: about 30 to about 99% by weight of a polycarbonate resin (A); and about 1 to about 70% by weight of a rubber modified aromatic vinyl based copolymer resin (B); and about 0.1 to about 40 parts by weight of a phosphorous compound (C) including a phosphate compound (C1) and a phosphonate compound (C2), per 100 parts by weight of a base resin including (A) and (B). The polycarbonate resin composition can have excellent flame retardancy and improved heat resistance by using a combination of at least two different phosphorous compounds.Type: GrantFiled: December 15, 2010Date of Patent: July 17, 2012Assignee: Cheil Industries Inc.Inventors: Seon Ae Lee, Im Hyuck Bae, Beom Jun Joo
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Publication number: 20120172503Abstract: The invention pertains to an amorphous solid modification of bis(2,4-dicumylphenyl)pentaerythritol diphosphite, to a process for preparing said modification and the use thereof for stabilizing organic materials against oxidative, thermal or light-induced degradation.Type: ApplicationFiled: March 12, 2012Publication date: July 5, 2012Inventor: DANIEL THIBAUT
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Publication number: 20120115996Abstract: The invention relates to thermoplastic polyamide molding materials having: (A) 10 to 99% by weight of at least one thermoplastic polyamide, (B) 1 to 40% by weight of a flame-protecting material of the formula (I), where A1 and A2 are independently, for example, a straight-chain or branched alkyl group having 1 to 4 carbon atoms, and (C) 0 to 70% by weight of further additives. The invention further relates to processes for producing such thermoplastic polyamide molding materials, and to the use of the molding materials.Type: ApplicationFiled: June 15, 2010Publication date: May 10, 2012Applicant: THOR GMBHInventor: Volker Butz
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Publication number: 20120088867Abstract: The invention relates to antistatic polymer compositions comprising a polymer substrate, a polyalkyleneethoxylate with a specific molecular weight and a salt. Further aspects are a process for preparing an antistatic polymer and the use of such a polyalkyleneethoxylate as antistatic agent in polymers, preferably together with a salt.Type: ApplicationFiled: June 11, 2010Publication date: April 12, 2012Applicant: BASF SEInventor: Fabien Jean Brand
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Publication number: 20120077910Abstract: It is a purpose of the present invention to provide a flame retardant resin composition having a high level of flame retardancy and excellent physical properties and a molded article thereof. The flame retardant resin composition comprises: (A) 100 parts by weight of a resin component (component A) containing polylactic acid (component A-1); (B) 10 to 50 parts by weight of an organic phosphorus compound represented by the following formula (1) (component B): (in the above formula, the phenyl group may have a substituent); (C) 5 to 30 parts by weight of a hydrogenated styrene-based thermoplastic elastomer (component C); and (D) 1 to 10 parts by weight of talc (component D).Type: ApplicationFiled: May 20, 2010Publication date: March 29, 2012Inventors: Katsuhiro Yamanaka, Fumitaka Kondo
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Patent number: 8133946Abstract: A non-halogen flameproof polycarbonate resin composition of the present invention comprises (A) about 30 to about 100% by weight of a polycarbonate resin, (B) about 0 to about 70% by weight of a rubber modified aromatic vinyl resin, and (C) about 0.5 to about 30 parts by weight of a phosphorus compound represented by the following Chemical Formula (I) or a combination thereof, based on about 100 parts by weight of the base resin including (A) and (B). The present invention can provide a polycarbonate resin composition which can have excellent flame retardancy and which can be environmentally friendly. wherein R1 and R2 are each independently C1 to C10 alkyl, C5 to C7 cycloalkyl or phenyl.Type: GrantFiled: December 9, 2010Date of Patent: March 13, 2012Assignee: Cheil Industries Inc.Inventors: Min Soo Lee, Im Hyuck Bae, Beom Jun Joo
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Publication number: 20120000538Abstract: The present invention relates to a polyolefin composition with increased resistance to degradation caused by ClO2-containing water and to a pipe made of such a polyolefin composition. The present invention further relates to the use of the polyolefin composition for the production of a pipe and to the use of a combination of particular types of antioxidants for increasing the resistance of the polyolefin composition against degradation caused by contact with ClO2-containing water.Type: ApplicationFiled: December 17, 2009Publication date: January 5, 2012Applicant: BOREALIS AGInventors: Per-Ola Hagstrand, Martin Anker, Tanja Piel, Svein Jamtvedt
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Publication number: 20110301266Abstract: A flame retardant resin composition which has high flame retardancy, excellent heat resistance and physical properties and is obtained from a plant-derived raw material and a molded article thereof. The flame retardant resin composition comprises: (A) 100 parts by weight of a polylactic acid and/or a lactic acid copolymer (component A); (B) 1 to 100 parts by weight of a styrene-based resin and/or a polycarbonate resin (component B); and (C) 1 to 100 parts by weight of an organic phosphorus compound represented by the following formula (1) (component C). (wherein X1 and X2 are the same or different and each an aromatic substituted alkyl group represented by the following formula (2)) ?AL??Ar)n??(2) (wherein AL is a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, Ar is a phenyl group, naphthyl group or anthryl group all of which may have a substituent. n is an integer of 1 to 3, and Ar can be bonded to any carbon atom contained in AL.Type: ApplicationFiled: February 12, 2010Publication date: December 8, 2011Inventors: Katsuhiro Yamanaka, Fumitaka Kondo
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Patent number: 8067490Abstract: A composition and method for increasing the hydrolytic stability of a stabilizer composition comprising a first phosphite, a second phosphite, an optional phosphonite and an acid scavenger.Type: GrantFiled: September 24, 2008Date of Patent: November 29, 2011Assignee: Chemtura CorporationInventors: Hayder Zahalka, Karl Diefenbach
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Publication number: 20110257312Abstract: The present invention relates to the use of compound (A) and compound (B) in a polyolefin composition for increasing the lifetime of a pipe made of said polyolefin composition which pipe is in permanent contact with chlorinated water, wherein compound (A) has the following formula (I): wherein R6, R7 and R8 independently are non-substituted or substituted aliphatic or aromatic hydrocarbyl radicals which may comprise OH-groups, —X1, X2, and X3 independently are H or OH, with the proviso that at least one of X X1, X2, and X3 is OH, and—the entire molecule does not comprise an ester group, wherein compound (B) has the following formula (II): wherein R and R? each is the same or different residue and comprising at least 6 carbon atoms.Type: ApplicationFiled: December 17, 2009Publication date: October 20, 2011Applicant: BOREALIS AGInventors: Martin Anker, Svein Jamtvedt
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Patent number: 8003721Abstract: Polyglycolic acid and polylactic acid having a weight-average molecular weight of at most 50,000 are melt-kneaded in the presence of a thermal stabilizer to obtain a polyglycolic acid-based aliphatic polyester composition. The aliphatic polyester composition alleviates the too fast crystallizability of polyglycolic acid which has been problematic in forming or molding of polyglycolic acid alone or in combination with another thermoplastic resin, thus showing a crystallization speed which has been lowered and can be controlled in a wide range.Type: GrantFiled: June 28, 2007Date of Patent: August 23, 2011Assignee: Kureha CorporationInventors: Yoshinori Suzuki, Kazuyuki Yamane, Hiroyuki Sato, Takahiro Watanabe
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Publication number: 20110160366Abstract: The present invention provides a phosphonate based compound represented by the following Chemical Formula 1 and a flameproof thermoplastic resin composition comprising (A) a thermoplastic resin and (B) a phosphonate based compound represented by the following Chemical Formula 1. The flameproof thermoplastic resin composition can exhibit good flame retardancy and impact strength. Further, the composition does not include a halogenated flame retardant and thus can provide environmental and safety benefits. wherein R1 and R2 are each independently C1-C4 alkylene and X is a cyano group.Type: ApplicationFiled: December 10, 2010Publication date: June 30, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: Woo Joong KIM, Seung Shik SHIN, Jin Hwan CHOI
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Publication number: 20110160367Abstract: A polycarbonate resin composition comprises: about 30 to about 99% by weight of a polycarbonate resin (A); and about 1 to about 70% by weight of a rubber modified aromatic vinyl based copolymer resin (B); and about 0.1 to about 40 parts by weight of a phosphorous compound (C) including a phosphate compound (C1) and a phosphonate compound (C2), per 100 parts by weight of a base resin including (A) and (B). The polycarbonate resin composition can have excellent flame retardancy and improved heat resistance by using a combination of at least two different phosphorous compounds.Type: ApplicationFiled: December 15, 2010Publication date: June 30, 2011Applicant: Cheil Industries Inc.Inventors: Seon Ae LEE, Im Hyuck BAE, Beom Jun JOO
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Publication number: 20110152415Abstract: A non-halogen flameproof polycarbonate resin composition of the present invention comprises (A) about 30 to about 100% by weight of a polycarbonate resin, (B) about 0 to about 70% by weight of a rubber modified aromatic vinyl resin, and (C) about 0.5 to about 30 parts by weight of a phosphorus compound represented by the following Chemical Formula (I) or a combination thereof, based on about 100 parts by weight of the base resin including (A) and (B). The present invention can provide a polycarbonate resin composition which can have excellent flame retardancy and which can be environmentally friendly. wherein R1 and R2 are each independently C1 to C10 alkyl, C5 to C7 cycloalkyl or phenyl.Type: ApplicationFiled: December 9, 2010Publication date: June 23, 2011Applicant: CHEIL INDUSTRIES INC.Inventors: Min Soo LEE, Im Hyuck BAE, Beom Jun JOO
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Publication number: 20110130492Abstract: The present invention pertains to compositions comprising (a) a polyether polyol, a polyester polyol or a polyurethane, (b) a UV-absorber of formula (I) and/or a hindered amine liaht stabilizer of formula (II) wherein R1 and R2 are each independently C1-C4alkyl or C1-C4alkyoxy, and (c) at least one further UV-absorber and/or hindered amine light stabilizer if only one of the components (I) and (II) is present with the proviso that component (c) is not a compound of formula (A)-(D) as defined in claim 1.Type: ApplicationFiled: February 10, 2011Publication date: June 2, 2011Inventors: DIETMAR MÄDER, Pierre Rota-Graziosi
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Publication number: 20110130497Abstract: Cyclic phosphazene compounds that are substituted with phosphorus-containing groups are effective flame retardants for organic polymers.Type: ApplicationFiled: November 2, 2007Publication date: June 2, 2011Inventors: Kenny C. Su, Jinder Jow, Journey L. Zhu, Xiaozhen Tang, Polaris Bai, Steven D. Liu, Shih-Yaw Lai
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Publication number: 20110124781Abstract: A polycarbonate resin composition is provided. The composition comprises (A) 50 to 90% by weight of a polycarbonate resin, (B) 5 to 30% by weight of a polymethyl methacrylate resin, (C) 5 to 20% by weight of a phosphate compound, (D) 0.01 to 2% by weight of a metal sulfonate as an organic salt, and (E) 0.05 to 2% by weight of a fluorinated olefin. The composition is highly flame retardant and scratch resistant.Type: ApplicationFiled: December 28, 2008Publication date: May 26, 2011Applicant: LG CHEM, LTD.Inventors: Seon Mo Son, Kyung Mo Park, Sung Tae Ahn, Yong Kim
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Patent number: 7935763Abstract: In one embodiment is a thermoplastic vulcanizates having improved extrusion properties formed from a composition that includes from 20% to about 80% by weight of an elastomer, from about 80% to about 20% by weight of a thermoplastic, from about 0.05 to about 12 phr of a multifunctional methacrylate monomer peroxide curing coagent; and from about 0.02 to about 6 phr of a phosphorous containing stabilizer. The resultant thermoplastic vulcanizate may be cured with a peroxide curing agent and shows improved die lip build up compared to conventionally prepared thermoplastic vulcanizates. Methods of forming thermoplastic vulcanizates having improved die lip build up are also taught.Type: GrantFiled: October 11, 2006Date of Patent: May 3, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Oansuk Chung, Trazollah Ouhadi, Eugene R. Uhl
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Publication number: 20110092623Abstract: A flame retardant resin composition which has high flame retardancy and excellent physical properties and comprises a resin obtained from a plant-derived raw material and a molded article thereof. The flame retardant resin composition comprises: (A) 100 parts by weight of a resin component (component A) which contains at least 50 wt % of a resin (component A-1) obtained from a plant-derived raw material; and (B) 1 to 100 parts by weight of an organic phosphorus compound (component B) represented by the following formula (1).Type: ApplicationFiled: May 26, 2009Publication date: April 21, 2011Inventors: Katsuhiro Yamanaka, Fumitaka Kondo, Kiyotsuna Toyohara
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Publication number: 20110054090Abstract: An object of the present invention is to provide a polyester film which is reduced in yellow discoloration, has a high quality and can be suitably used for optical filters (for example AR films, NIR films and EMI films), films for liquid crystal applications (for example diffraction films and prism films), materials for electric appliance, films for packaging, materials for graphic appliance (photograph materials), plate making films, OHP films or the like. The aspect of the present invention is a polyester film comprising at least one polyester layer comprising reclaimed resin of polyester film having a coating layer, which polyester layer comprising a phosphorus-based antioxidant having a starting temperature of loss on heat of not lower than 290° C.Type: ApplicationFiled: February 26, 2009Publication date: March 3, 2011Inventor: Masato Fujita
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Publication number: 20100256266Abstract: Stabilizer compositions comprise phosphate of the formula I or II, a phosphite of the formula III, and a phenol of the formula IV as these formulas are defined herein. The stabilizer compositions are useful for stabilizing polymers. Methods for making stabilized polymer compositions involve intermixing the stabilizer compositions and the polymers, e.g., by extruding, pelletizing, and/or molding.Type: ApplicationFiled: June 15, 2010Publication date: October 7, 2010Applicant: CYTEC TECHNOLOGY CORP.Inventors: John Mathew ZENNER, Brent Sanders
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Patent number: 7786197Abstract: A flame retardant resin composition consisting essentially of: (A) 100 parts by weight of the total of resin components (components A) which include at least 60 wt % of an aromatic polyester resin; (B) an organic phosphorus compound (component B-1) represented by the following general formula (1) and having an acid value of 0.7 mgKOH/g or less or an organic phosphorus compound (component B-2) represented by the following general formula (2); (C) 0 to 50 parts by weight of a flame retardancy improving resin (component C); and (D) 0 to 200 parts by weight of a filler (component D), and a molded article thereof. Wherein, when the organic phosphorus compound is the component B-1, the amount of the component B-1 is 1 to 100 parts by weight and when the organic phosphorus compound is the component B-2, the component B-2 is used in combination with a biscumyl compound (component B-3), the amount of the component B-2 is 5 to 30 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.Type: GrantFiled: June 15, 2005Date of Patent: August 31, 2010Assignee: Teijin Chemicals, Ltd.Inventors: Katsuhiro Yamanaka, Yutaka Taketani
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Publication number: 20100204375Abstract: The invention concerns to a composition comprising: at least one fluorinated polymer (A), at least one interfacing agent (B), and at least one stabilizer (C) of formula (I) wherein Ar1 and Ar2 represent an aryl group. The composition is used as an agent for extruding a thermoplastic polyolefin or resin. The invention also concerns an extruding method consisting in: (i) contacting in the solid phase a composition as defined above with a thermoplastic polyolefin or a thermoplastic resin; (ii) then extruding the mixture obtained in (i) in the form of a film, a tube, a profiled section or a hollow body.Type: ApplicationFiled: March 20, 2007Publication date: August 12, 2010Applicant: Arkema FranceInventors: Anthony Bonnet, Johann Laffargue, Karine Triballier, Francois Beaume
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Publication number: 20100184891Abstract: A low melt viscosity polyglycolic acid having a melt viscosity of at most 100 Pa·s as measured at a temperature higher by 10° C. than the melting point of the polyglycolic acid and a shear rate of 122 sec?1, a temperature at 3%-weight loss on heating of at least 280° C. and a water content of at most 500 ppm, and being in a solid state at a temperature of 20±15° C., and a production process of the low melt viscosity polyglycolic acid including a water vapor absorption step and a heat treatment step for a high melt viscosity polyglycolic acid being in a solid state.Type: ApplicationFiled: September 8, 2008Publication date: July 22, 2010Applicant: Kureha CorporationInventors: Fumio Akutsu, Kazuyuki Yamane, Nanako Kuruhara
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Publication number: 20100143631Abstract: The present invention relates to a composition comprising: a) a polyolefin (A); b) a compound (B) according to formula (I), wherein R and R? each is the same or different residue and comprising at least 6 C-atoms; c) a phenolic compound (C), having the formula (II) wherein R is an non-substituted or substituted aliphatic or aromatic hydrocarbyl radical which may comprise heteroatoms, or R is an heteroatom; X is H, OH, and/or R?; whereby R? is a hydrocarbyl radical or hydrogen, and n is 1 to 4; and d) optionally, an UV-light stabilizer (D), wherein for the composition the total amount of migrated compounds (B), (C) and, if present, (D), as well as their decomposition products is equal to or less than 1.8 microgram per liter with a ratio S/V dm?1 of 11.70 to 12.30, to the use of said composition for the production of a pipe and to a pipe comprising said composition.Type: ApplicationFiled: September 28, 2007Publication date: June 10, 2010Applicant: BOREALIS TECHNOLOGY OYInventors: Martin Anker, Svein Jamtvedt
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Publication number: 20100076129Abstract: A method is disclosed for increasing the hydrolytic stability of a stabilizer selected from the group consisting of (A) a first phosphite of the structure: and (B) a first phosphonite of the structure: wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 are independently selected from the group consisting of hydrogen and alkyl, provided that at least one of R1, R2, R3, R4, R5, R6, R7, R8, R9, and R10 is alkyl, and n is 2; wherein said method comprises blending said stabilizer with (a) from about 1 to about 25 weight percent, based on the total weight of the resulting blend, of a second phosphite of the structure wherein R11, R12, R13, R14, and R15 are independently selected from the group consisting of hydrogen and alkyl, provided that at least one of R11, R12, R13, R14, and R15 is alkyl, and R16 and R17 are independently selected alkyl groups; and (b) from about 1 to about 10 weight percent, based on the total weight of the resulting blend, of an acid scavenger.Type: ApplicationFiled: September 24, 2008Publication date: March 25, 2010Inventors: Hayder Zahalka, Karl Diefenbach
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Publication number: 20100076130Abstract: An object of the present invention is to provide a polycarbonate resin composition which has a high content of biogenic matter and is excellent in heat resistance, heat stability, moldability, hue and transparency. The present invention related to a resin composition comprising 0.0005 to 0.5 part by weight of at least one heat stabilizer (component S) selected from the group consisting of phosphorus-based heat stabilizers (PS) and hindered phenol-based heat stabilizers (HS) based on 100 parts by weight of a polycarbonate resin (component A) which contains a recurring unit represented by the following formula (1) as the main constituent, and a molded article thereof.Type: ApplicationFiled: April 23, 2008Publication date: March 25, 2010Inventors: Toshiyuki Miyake, Masami Kinoshita, Mizuho Saito, Katsuhiko Hironaka, Eiichi Kitazono, Akimichi Oda
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Patent number: 7666932Abstract: Disclosed are new compositions consisting of polyphosphonates and specific additive compositions that exhibit superior resistance to degradation due to exposure to air, high temperature and air, moisture or combinations thereof. Also disclosed are polymer mixtures or blends comprising these polyphosphonates/additive compositions and commodity and engineering plastics and articles produced therefrom. Further disclosed are articles of manufacture produced from these materials, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof.Type: GrantFiled: October 16, 2006Date of Patent: February 23, 2010Assignee: FRX Polymers, Inc.Inventors: Dieter Freitag, Pin Go, Gad Stahl
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Publication number: 20090280310Abstract: A melt-extrusion film formed by melt-extruding a resin composition containing (A) a specific amorphous polyolefin typified by an ethylene/norbornene copolymer and (B) a specific phosphite ester or aliphatic ester, wherein the number of gels having a size of 20 ?m or larger and existing in the film is 100 pieces/g or less.Type: ApplicationFiled: September 29, 2006Publication date: November 12, 2009Inventors: Hideaki Nitta, Masahiro Murakami, Hironobu Katoh, Kinji Hasegawa
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Patent number: 7569628Abstract: The present invention relates to a styrenic thermoplastic resin composition, and more particularly to a styrenic thermoplastic resin composition comprising a non-halogen flame-retardant having superior flame-retarding properties and impact strength. The present invention provides a flame-retarding styrenic thermoplastic resin composition comprising a) 100 weight parts of a base resin comprising i) 10 to 50 weight parts of a rubber-modified styrene-containing graft copolymer, ii) 5 to 20 weight parts of phenol novolac resin, and iii) 20 to 70 weight parts of a styrene-containing copolymer; and b) 5 to 20 weight parts of an aromatic phosphate. In addition, the a) base resin may further comprise iv) 10 to 40 weight parts of a thermoplastic polyurethane resin.Type: GrantFiled: June 25, 2007Date of Patent: August 4, 2009Assignee: LG Chem, Ltd.Inventors: Sung-Ho Lee, Chan-Hong Lee, Yong-Yeon Hwang, Ki-Young Nam, Tae-Hak Kim
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Publication number: 20090149581Abstract: Stabilizer compositions comprise phosphate of the formula (I) or (II), a phosphite of the formula (III), and a phenol of the formula (IV) as these formulas are defined herein. The stabilizer compositions are useful for stabilizing polymers. Methods for making stabilized polymer compositions involve intermixing the stabilizer compositions and the polymers, e.g., by extruding, pelletizing, and/or molding.Type: ApplicationFiled: May 10, 2007Publication date: June 11, 2009Applicant: Cytec Technology Corp.Inventors: John Mathew Zenner, Brent Sanders
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Publication number: 20090054566Abstract: The invention pertains to an amorphous solid modification of bis(2,4-dicumylphenyl)pentaerythritol diphosphite, to a process for preparing said modification and the use thereof for stabilizing organic materials against oxidative, thermal or light-induced degradation.Type: ApplicationFiled: September 9, 2008Publication date: February 26, 2009Inventor: Daniel Thibaut
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Publication number: 20080269383Abstract: Organic polymer compositions can be made flame-retardant by addition of selected organic phosphate and other components, such as known flame-retardants or conventional additives for further improvements, e.g. in name retardancy or light stability.Type: ApplicationFiled: May 18, 2005Publication date: October 30, 2008Applicant: CIBA SPECIALTY CEMICALS HOLDING INC.Inventors: Jean-Roch Pauquet, Grant Leslie, Natacha Berthelon, Daniel Muller
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Patent number: 7425590Abstract: Polymer compositions comprising: (A) at least one polyester (A) comprising: (1) diacid residues comprising about 70 to 100 mole percent phthalic acid residues; and 0 to about 30 mole percent of modifying dicarboxylic acid residues, wherein the total mole percent of diacid residues is equal to 100 mole percent; and (2) diol residues comprising about 0 to 45 mole percent 1,4-cyclohexanedimethanol residues, and 100 to about 55 mole percent of other alkylene glycol residues, wherein the total mole percent of diol residues is equal to 100 mole percent; and (B) a miscible blend of: (1) at least one polycarbonate (B) of bisphenol A; (2) at least one polyester (C) consisting essentially of 1,4-cyclohexanedicarboxylic acid residues and at least one glycol selected from 70 to 100 mole percent of residues of 1,4-cyclohexanedimethanol residues and 0 to 30 mole percent of residues of polytetramethylene glycol.Type: GrantFiled: July 12, 2005Date of Patent: September 16, 2008Assignee: Eastman Chemical CompanyInventor: Wesley Raymond Hale
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Patent number: 7342060Abstract: A method is disclosed for the production of pentaerythritol diphosphites of high spiro isomer content. The pentaerythritol diphosphites are produced via sequential transesterification of pentaerythritol with a monophosphite followed by a substituted phenol or other alcohol, wherein the transesterification reactions are carried out under controlled conditions of temperature and pressure. The unique reaction conditions result in intermediate and final pentaerythritol diphosphites of high spiro isomer content and high total yield of the diphosphites.Type: GrantFiled: December 11, 2003Date of Patent: March 11, 2008Assignee: Dover Chemical CorporationInventor: Carroll W. Larke
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Patent number: 7323119Abstract: The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule.Type: GrantFiled: October 26, 2005Date of Patent: January 29, 2008Assignee: Arch Chemicals, Inc.Inventors: Jayne Mallwitz, Robert C. Hire, Kiran B. Chandalia
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Patent number: 7235597Abstract: The present invention relates to a styrenic thermoplastic resin composition, and more particularly to a styrenic thermoplastic resin composition comprising a non-halogen flame-retardant having superior flame-retarding properties and impact strength. The present invention provides a flame-retarding styrenic thermoplastic resin composition comprising a) 100 weight parts of a base resin comprising i) 10 to 50 weight parts of a rubber-modified styrenic-containing graft copolymer, ii) 5 to 20 weight parts of phenol novolac resin, and iii) 20 to 70 weight parts of a styrene-containing copolymer; and b) 5 to 20 weight parts of an aromatic phosphate. In addition, the a) base resin may further comprise iv) 10 to 40 weight parts of a thermoplastic polyurethane resin.Type: GrantFiled: September 5, 2002Date of Patent: June 26, 2007Assignee: LG Chem, Ltd.Inventors: Sung-Ho Lee, Chan-Hong Lee, Yong-Yeon Hwang, Ki-Young Nam, Tae-Hak Kim
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Patent number: 7179854Abstract: A polyolfin composition having high resistance to degradation is formed of at least one polyolefin component, bis(2,4dicumylphenyl)pentaerythritol diphosphite, triisopropanolamine, a hydrotalcite component, and at least one phenol component.Type: GrantFiled: December 15, 2003Date of Patent: February 20, 2007Assignee: Chevron Phillips Chemical Company LPInventors: Mark K. Russell, David R. Battiste
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Patent number: 7169837Abstract: A flame retardant resin composition comprising: (A) 100 parts by weight of a resin component (component a) containing at least 50% by weight of a high impact polystyrene, and (B) 1 to 50 parts by weight of a phosphorous-containing compound (component b) represented by the following general formula (I): wherein A and A? are the same or different and represent —OR or -Q wherein R and Q represent an alkyl group having 1 to 12 carbon atoms, a cycloalkyl group having 5 to 10 carbon atoms, an aralkyl group having 7 to 20 carbon atoms or an aryl group having 6 to 15 carbon atoms. According to the present invention, there are provided a polystyrene resin composition containing substantially no halogen and having heat resistance, particularly a high heat distortion temperature under load, and an article from the composition.Type: GrantFiled: December 17, 2003Date of Patent: January 30, 2007Assignee: Teijin Chemicals, Ltd.Inventors: Katsuhiro Yamanaka, Kazuhiko Koya, Yutaka Taketani
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Patent number: 7138449Abstract: A polyester composition comprising from 90 to 97% by weight of at least one polyester derived from the condensation of 1,4-cyclohexane dimethanol and at least one dicarboxylic acid or an ester thereof, from 0.1 to 5% by weight of at least one primary anti-oxidant defined as an alkyl and/or alkyl peroxy radical scavenger, from 0.1 to 5% by weight of at least one secondary anti-oxidant defined as a compound capable of decomposing a hydroperoxide, from 1 to 4% by weight of at least one polyamide terpolymer. Utility of such a composition includes use in a monofilament yarn or fiber, use in a papermachine clothing including such a monofilament yarn or fiber and/or including the polyester composition.Type: GrantFiled: January 20, 2004Date of Patent: November 21, 2006Assignee: Voith Paper Patent GmbHInventors: Craig Stuart Valentine, Heping Zhang, Sanjay Patel
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Patent number: 7122588Abstract: The object of the present invention is to provide a golf ball having a paint film which is excellent in the adhesion, the durability and the coloring-resistance. The golf ball of the present invention comprises a paint film formed on the surface of a golf ball body, wherein the paint film contains 0.05 to 5 parts by mass of a phosphorus stabilizer with respect to 100 parts by mass of a resin component.Type: GrantFiled: March 4, 2004Date of Patent: October 17, 2006Assignee: Sri Sports LimitedInventors: Koichi Fujisawa, Kazuhiko Isogawa
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Patent number: 7087667Abstract: A flame retardant resin composition consisting essentially of: (A) 100 parts by weight of the total of resin components (components A) which include at least 60 wt % of an aromatic polyester resin; (B) an organic phosphorus compound (component B-1) represented by the following general formula (1) and having an acid value of 0.7 mgKOH/g or less or an organic phosphorus compound (component B-2) represented by the following general formula (2); (C) 0 to 50 parts by weight of a flame retardancy improving resin (component C); and (D) 0 to 200 parts by weight of a filler (component D), and a molded article thereof. Wherein, when the organic phosphorus compound is the component B-1, the amount of the component B-1 is 1 to 100 parts by weight and when the organic phosphorus compound is the component B-2, the component B-2 is used in combination with a biscumyl compound (component B-3), the amount of the component B-2 is 5 to 3.0 parts by weight, and the amount of the component B-3 is 0.01 to 5 parts by weight.Type: GrantFiled: May 14, 2002Date of Patent: August 8, 2006Assignee: Teijin Chemicals, Ltd.Inventors: Katsuhiro Yamanaka, Yutaka Taketani
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Patent number: 7026381Abstract: The object of the present invention is to provide a one-piece golf ball having an improved repulsion and coloring-resistance, and showing a good adhesion to the paint film. The one-piece golf ball of the present invention comprises a golf ball body formed by vulcanizing a rubber composition and a paint film covering the golf ball body, wherein the rubber composition contains 0.05 to 10 parts by mass of a phosphorus stabilizer with respect to 100 parts by mass of the rubber component.Type: GrantFiled: May 20, 2004Date of Patent: April 11, 2006Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Koichi Fujisawa, Kazuhiko Isogawa
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Patent number: 6992124Abstract: The present invention relates to a synergistic additives mixture for producing calendered polyolefin articles, comprising A) at least one component from the group of peroxide-destroying phosphorus or sulfur compounds, B) at least one component from the group of phenolic antioxidants, C) at least one component from the group of sterically hindered amines, and D) if desired, further additives. Using this additive mixture prevents sticking to the hot roll surfaces and reduces the degradation of the polymer.Type: GrantFiled: February 3, 1999Date of Patent: January 31, 2006Assignee: Clariant GmbHInventors: Christian Wick, Gerhard Pfahler, Alexander Lichtblau
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Patent number: 6899939Abstract: A thermoplastic molding composition especially suitable for preparing optical data carriers is disclosed. The composition contains polycarbonate resin, at least one mold release agent and at least one phosphite having a defined structural formula. The optical data carriers include compact discs, video discs, digital versatile discs and further optical data carriers which may be written and erased one or more times.Type: GrantFiled: March 22, 2002Date of Patent: May 31, 2005Assignee: Bayer AktiengesellschaftInventors: Wilfried Haese, James Mason
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Patent number: 6790887Abstract: Disclosed is an aromatic polycarbonate resin composition comprising a resin component (A) selected from the group consisting of an aromatic polycarbonate and a resin mixture of an aromatic polycarbonate and at least one organic polymer resin other than an aromatic polycarbonate, wherein the resin mixture has an aromatic polycarbonate content of 50% by weight or more, and at least one aromatic group-containing silicone compound (B), wherein the at least one aromatic group-containing silicone compound (B) comprises a monomer, a polymer or a mixture thereof, which is represented by at least one formula selected from the group consisting of the following formulae (1) and (2): wherein the component (B) contains the aromatic group in an amount of 5 to 100 mole %, based on the total molar amount of R1, R2, R3 and R4, wherein each of R1 and R2 represents a hydrogen atom or a C1-C20 hydrocarbon group, and each of R3 and R4 represents a hydrogen atom, a C1-C20 hydrocarbon group or a metal-containing gType: GrantFiled: November 22, 2000Date of Patent: September 14, 2004Assignee: Asahi Kasei Kabushiki KaishaInventor: Hajime Nishihara
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Patent number: 6756433Abstract: The present invention relates to polycarbonate moulding compositions provided with phosphonate amines and phosphorus compounds, which moulding compositions exhibit excellent flame protection and very good mechanical properties, such as joint line strength or modulus of elasticity, and a good crude shade.Type: GrantFiled: February 27, 2002Date of Patent: June 29, 2004Assignee: Bayer AktiengesellschaftInventors: Michael Zobel, Thomas Eckel, Torsten Derr, Dieter Wittmann
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Patent number: 6723768Abstract: Thermoplastic compositions of polyester/polycarbonate blends have reduced yellowness and improved thermal and melt stability when the polyester is produced with a reduced level of a titanium-containing catalyst in an amount of from about 1 to about 30 ppm elemental titanium, with ppm based on the total weight of the polyester.Type: GrantFiled: March 27, 2002Date of Patent: April 20, 2004Assignee: Eastman Chemical CompanyInventors: Valerie Sue Adams, Emmett Dudley Crawford, Michael Eugene Donelson, Douglas Stephens McWilliams
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Patent number: 6720372Abstract: The present invention relates to a halogen free flame retardant thermoplastic styrene resin composition. More particularly, the present invention relates to a flame retardant resin composition, comprising (A) a graft copolymer consisting of rubber modified styrenic resin, (B) a polycarbonate resin, (C) a phenol novolak resin, (D) a copolymer consisting of styrene, and (E) an aromatic phosphate. The resin composition of the present invention has a superior flame retardancy using a halogen free flame retardant and a little amount of polycarbonate resin.Type: GrantFiled: April 29, 2002Date of Patent: April 13, 2004Assignee: LG Chemical Co., Ltd.Inventors: Sung-Ho Lee, Chan-Hong Lee, Yong-Yeon Hwang, Ki-Young Nam