Mixed With O-c(=o)-o-, Hal-c(=o)-o-, Or Hal-c(=o)-hal Containing Reactant Or Polymer Derived Therefrom; Or Wherein Solid Polymer Is Derived From A Hal-c(=o)-hal, O-c(=o)-o-, Or Hal-c(=o)-o-, A Polycarboxylic Acid Or Derivative And A Polyhydroxy Reactant Patents (Class 525/439)
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Patent number: 8129469Abstract: The present invention relates to a graft copolymer, a method for preparing the same and a thermoplastic resin composition comprising the same. The graft copolymer of the present invention comprises a composite rubber polymer (A-1) having an average particle diameter of 250-600 nm prepared by particle enlargement after mixing a diene rubber polymer (a-1) latex having an average particle diameter of 50-150 nm and a core-shell structured, cross-linked alkyl acrylate rubber polymer (b-1) latex having an average particle diameter of 50-250 nm. A thermoplastic resin composition prepared by mixing the graft copolymer of the present invention with a hard matrix (B) has very superior weathering resistance and superior pigmentation property, gloss, impact resistance and low-temperature impact strength.Type: GrantFiled: October 21, 2005Date of Patent: March 6, 2012Assignee: LG Chem, Ltd.Inventors: Hyun-taek O, Tae-bin Ahn, Jung-tae Park, Min-jung Kim, Keun-hoon Yoo
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Publication number: 20120043508Abstract: An imide skeleton resin represented by the following general formula (1) has a coefficient of linear expansion as low as that of polyimide resin and excellent processability like epoxy resin, and is useful as a resin composition for electrical laminates. Five percent by mole or more of the entirety of the A component is a linking group having an imide skeleton represented by the following general formula (4-1). B denotes a hydrogen atom or a group represented by the following structural formula (5). n denotes an integer in the range of 0 to 200. If both of the B's are hydrogen atoms, then n denotes an integer of 1 or more.Type: ApplicationFiled: August 27, 2009Publication date: February 23, 2012Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takayoshi Hirai, Tetsurou Imura, Makoto Takahashi
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Patent number: 8119762Abstract: Described are film or sheet, comprising polyester based composition, comprising dicarboxylic acid component as terephthalic acid residues and optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues and glycol component, comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and cyclohexanedimethanol residues. The polyester composition has the inherent viscosity from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C., glass transition temperature Tg of 110° C. to 160° C., notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a ?-inch thick bar, melt viscosity is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C. and does not contain polycarbonate.Type: GrantFiled: November 10, 2010Date of Patent: February 21, 2012Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 8119761Abstract: Described are polyester compositions comprising at least one polyester which comprises terephthalic acid residues in the amount from 80 to 100 mole %, 2,2,4,4-tetramethyl-1,3- cyclobutanediol in the preferable amount from 30 to 40 mole % and 1,4-cyclohexanedimethanol in the preferable amount from 60 to 70 mole % , wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mote %; and the inherent viscosity of polyester is from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachtoroethane at a concentration of 0.5 g/100 ml at 25° C., polyester has a Tg from 110 to 160° C. and polyester composition comprises no polycarbonate. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.Type: GrantFiled: March 28, 2006Date of Patent: February 21, 2012Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 8114954Abstract: The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes including improved heat transfer, volume control, agitation and disengagement functions.Type: GrantFiled: October 19, 2010Date of Patent: February 14, 2012Assignee: Grupo Petrotemex, S.A. de C.V.Inventor: Bruce Roger DeBruin
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Patent number: 8114929Abstract: A composition comprising a clear thermoplastic blend comprising: (a) a polycarbonate component; and (b) a polyester component comprising (i) a polyester based substantially on 1,4 cyclohexane dimethanol and terephthalic acid monomer units, (ii) copolymers polyester based substantially on 1,4 cyclohexane dimethanol and terephthalic acid monomer units and modified with up to 25 mol % of copolymerizable acid and/or diol monomers, and (iii) combinations thereof. The polycarbonate component and the polyester component are present in sufficient proportions to form a molding composition capable of being molded into an article that exhibits transparency and structural integrity after the article is exposed to a caustic aqueous environment for at least 70 hours. The invention also relates to articles made from the composition, methods for making the compositions, and methods for using articles.Type: GrantFiled: December 19, 2006Date of Patent: February 14, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Parminder Agarwal, Rodney W. Fonseca
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Patent number: 8114952Abstract: A composition comprises a blend of 50 to 90 wt. % of a polycarbonate copolymer, 10 to 50 wt. % of a polyester wherein the weight percent of the polycarbonate copolymer and the polyester are each based on the total weight of the polycarbonate copolymer and the polyester. A molded sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.Type: GrantFiled: August 29, 2008Date of Patent: February 14, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Nina P. Vaze, Tieb M. B. Aouraghe, Johannes Hubertus G. M. Lohmeijer, Shreyas Chakravarti
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Patent number: 8106126Abstract: A composition comprises a blend of 20 to 90 wt. % of a polycarbonate, 10 to 80 wt. % of a polyester wherein the weight percent of the polycarbonate and the polyester are each based on the total weight of the polycarbonate and the polyester. A sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than or equal to 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.Type: GrantFiled: August 29, 2008Date of Patent: January 31, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Nina P. Vaze, Tieb M. B. Aouraghe, Johannes Hubertus G. M. Lohmeijer, Shreyas Chakravarti
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Publication number: 20120022190Abstract: A polycarbonate/polyethylene terephthalate composite resin composition is provided, which contains a resin component of 100 parts by weight and contains a phosphorus thermal stabilizer of 0.01 to 0.5 parts by weight and/or a hindered phenol thermal stabilizer of 0.01 to 1 parts by weight, the resin component containing a polycarbonate resin of 95 to 30 weight % and a polyethylene terephthalate resin of 5 to 70 weight %. The polyethylene terephthalate resin contains a deactivated polycondensation catalyst. The polycarbonate/polyethylene terephthalate composite resin composition can be prevented from being deteriorated resulting from being thermally preserved.Type: ApplicationFiled: March 30, 2010Publication date: January 26, 2012Applicant: Mitsubishi Engineering-Plastics CorporationInventors: Fumisato Nagano, Yuuya Arikawa, Kiyotoshi Fujioka
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Publication number: 20120021158Abstract: Described are polyester compositions comprising (a) a dicarboxylicacidcomponent comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, wherein said 2,2,4,4-tetramethyl-1,3-cyclobutanediol contains certain cis to trans ratios; and 1,4-cyclohexanedimethanol residues.Type: ApplicationFiled: June 17, 2011Publication date: January 26, 2012Applicant: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Patent number: 8101705Abstract: Described are articles, comprising polyester based composition, comprising dicarboxylic acid component as terephthalic acid residues and optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues and glycol component, comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and cyclohexanedimethanol residues. The polyester composition has the inherent viscosity from 0.60 to 0.75 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.5 g/100 ml at 25° C., glass transition temperature Tg of 100° C. to 130° C., notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a ?-inch thick bar, melt viscosity is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C. and does not contain polycarbonate. Composition can be manufactured into articles as fibers, films, bottles or sheets.Type: GrantFiled: May 20, 2010Date of Patent: January 24, 2012Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephen McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 8097685Abstract: The present invention is directed to a hyperbranched-polyester comprising at least one kind of a structural unit selected from an aromatic oxycarbonyl unit (P), aromatic and/or aliphatic dioxy units (Q), and an aromatic dicarboxy unit (R), and a trifunctional or higher polyfunctional organic residue (B), wherein the content of B is within a range from 7.5 to 50 mol % based on entire monomers constituting the hyperbranched-polyester. The present invention provides a hyperbranched-polyester which can remarkably improve thin-wall flowability, stiffness and gas barrier property by blending with a thermoplastic resin, and a thermoplastic resin composition blended with the same.Type: GrantFiled: March 30, 2007Date of Patent: January 17, 2012Assignee: TORAY Industries, Inc.Inventors: Koji Tachikawa, Makito Yokoe, Mitsushige Hamaguchi, Makiko Saito, Hideo Matsuoka, Toru Yamanaka
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Patent number: 8084550Abstract: A composition comprising a) about 30 to 80 wt. % of a polycarbonate, b) about 5 to about 50 wt. % of a polyester, c) about 2 to about 25 wt. % of an impact modifier and d) a gloss reducing effective amount of a multifunctional additive comprising at least one epoxy group.Type: GrantFiled: December 22, 2005Date of Patent: December 27, 2011Assignee: Sabic Innovative Plastics IP B.V.Inventors: Donald Howard Ellington, Kenneth Frederick Miller, Yantao Zhu, Claire Qing Yu
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Patent number: 8084570Abstract: Linear polycarbonate resin virtually free of surface defects that impair the suitability of the resin for demanding optical application is disclosed. Also disclosed is a process for the manufacture of the resin. The surface defects included in the resin are in the form of transparent fluorescing particles, the particle count of which portion that are 15 and 250 ?m in size, is up to 1.8 counts/g, said count being determined by exciting the residue remaining after filtering a solution of said polycarbonate in methylene chloride through a Teflon filter of 5 ?m pore size at a wavelength of 400-440 nm, 25× overall magnification and illumination time of 40 millisec. The polycarbonate is suitable for making films of improved optical properties.Type: GrantFiled: October 25, 2007Date of Patent: December 27, 2011Assignee: Bayer MaterialScience AGInventors: Heinz Pudleiner, Wolfgang Ebert, Alexander Meyer, Klaus Meyer, Alexander Karbach, Franky Bruynseels
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Patent number: 8084538Abstract: The present invention provides a thermoplastic polymer composition capable of exhibiting excellent impact resistance, durability and destaticizing property. The present invention relates to a thermoplastic polymer composition comprising (A) 50 to 95% by mass of an aliphatic polyester-based resin and (B) 5 to 50% by mass of a block copolymer comprising (B1) a hard segment block comprising at least one polymer selected from the group consisting of a polyamide, a polyester, a polyolefin and a polyurethane, and (B2) a soft segment block having an ether bond, with the proviso that a total amount of the components (A) and (B) is 100% by mass.Type: GrantFiled: January 26, 2009Date of Patent: December 27, 2011Assignee: Techno Polymer Co., Ltd.Inventors: Masaaki Mawatari, Tatsuya Toneri
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Publication number: 20110306730Abstract: Described are polyesters comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and cyclohexanedimethanol residues. The polyesters may be manufactured into articles such as fibers, films, bottles or sheets.Type: ApplicationFiled: August 23, 2011Publication date: December 15, 2011Applicant: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 8071694Abstract: Disclosed is a thermoplastic composition comprising a mixture of from 10 to 98 weight % of a polycarbonate polymer, from 2 to 90 weight % of a polyester polymer comprising structures derived from a diol compound having the structure (A) HO—Z—OH, wherein Z is a C1 to C36 linear aliphatic radical, a C3 to C36 branched aliphatic or cycloaliphatic radical, a C6 to C36 aryl radical, or a C7 to C36 alkylaryl radical, and a diacid compound having the structure (B) HOOC—CH2CH2—COOH, from 0 to 5 weight % of a polylactic acid polymer, wherein the sum of the polycarbonate polymer, the polyester polymer, and the polylactic acid polymer is equal to 100 weight %. The thermoplastic composition has improved mechanical properties.Type: GrantFiled: February 20, 2008Date of Patent: December 6, 2011Assignee: Sabic Innovative Plastics IP B.V.Inventors: Ren Yu, Jing Zhang, Zhaohui Qu, Tong Sun, Wayne Yao
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Patent number: 8067525Abstract: Described are film(s) and/or sheet(s) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: November 29, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 8063173Abstract: Described as one aspect of the invention are polyesters containing (a) a dicarboxylic acid component having from 70 to 100 mole % of terephthalic acid residues and up to 30 mole % of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component having from 11 to 25 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and 75 to 89 mole % of 1,4-cyclohexanedimethanol residues; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %. The polyesters may be manufactured into articles.Type: GrantFiled: March 28, 2006Date of Patent: November 22, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 8063172Abstract: Described are film(s) and/or sheet(s) made using polyester compositions comprising polyesters comprising (a) a dicarboxylic acid component comprising 70 to 100 mole % of terephthalic acid residues, and up to 30 mole % of aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues; and (b) a glycol component comprising 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: November 22, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 8058360Abstract: Polymer blends suitable for packaging are disclosed that include one or more impact modifiers; and one or more polyethylene terephthalate homopolymers or copolymers obtained by a melt phase polymerization using a catalyst system comprising aluminum atoms in an amount, for example, from about 3 ppm to about 60 ppm and one or more alkaline earth metal atoms, alkali metal atoms, or alkali compound residues in an amount, for example, from about 1 ppm to about 25 ppm, in each case based on the weight of the one or more polyethylene terephthalate homopolymers or copolymers The polymer blends disclosed exhibit improved low temperature toughness compared with blends made using polymers prepared with conventional catalyst systems.Type: GrantFiled: June 1, 2007Date of Patent: November 15, 2011Assignee: Grupo Petrotemex, S.A. De C.V.Inventors: Frederick Leslie Colhoun, Mark Edward Stewart, Stephen Weinhold, Richard Dalton Peters, Roger Lee Martin
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Patent number: 8052830Abstract: A laser weldable PBT-series resin composition and a molded product thereof are provided, in which the composition is weldable uniformly and has high welding strength even when the composition comprises a polybutylene terephthalate (PBT) as a base. The laser weldable resin composition comprises 1 to 50 parts by weight of (B) an elastomer (such as a polystyrene-series thermoplastic elastomer or a polyester-series thermoplastic elastomer), 5 to 100 parts by weight of (C) a polycarbonate-series resin, 1 to 10 parts by weight of (D) a plasticizer (e.g., an aromatic polycarboxylic acid ester, and an acrylic plasticizer), and 0 to 100 parts by weight of (E) a filler or reinforcing agent (such as a glass fiber), relative to 100 parts by weight of (A) a polybutylene terephthalate-series resin (a homopolyester or a copolyester). The molded product prepared from the resin composition has a small light transmittance fluctuation range depending on sites to be irradiated of the molded product.Type: GrantFiled: October 1, 2004Date of Patent: November 8, 2011Assignee: Wintech Polymer Ltd.Inventors: Kouichi Sakata, Katsunori Takayama
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Publication number: 20110263791Abstract: A polyetherimide having an OH content that is greater than 0 and equal or less than 100 ppm; a Relative Thermal Index that is greater than or equal to 170° C.; and a chlorine content that is greater than 0 ppm is disclosed herein. A method for preparing the polyetherimide is also disclosed.Type: ApplicationFiled: December 28, 2010Publication date: October 27, 2011Applicant: SABIC INNOVATIVE PLASTICS IP B.V.Inventors: Hendrich Chiong, Thomas Link Guggenheim, Farid Fouad Khouri, Matthew L. Kuhlman, Miguel Angel Navarro de Castro, Roy Ray Odle, Brennan A. Smith
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Patent number: 8044134Abstract: The present invention relates to a polylactic acid resin composition. The composition includes about 25 to about 80 parts by weight of a polylactic acid resin, (B) about 20 to about 75 parts by weight of a polycarbonate resin, and (C) about 0.01 to about 5 parts by weight of a chain extender including an amine group, based on about 100 parts by weight of (A)+(B). The polylactic acid resin composition of the present invention is environmentally-friendly and has excellent hydrolysis resistance and simultaneously improved mechanical strength and heat resistance, and accordingly can be used for manufacturing various molded products requiring heat resistance and mechanical strength, for example vehicles, machine parts, electronic parts, office machines, miscellaneous goods, and the like.Type: GrantFiled: June 5, 2009Date of Patent: October 25, 2011Assignee: Cheil Industries Inc.Inventors: Young-Mi Chung, Chang-Do Jung
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Patent number: 8044143Abstract: Disclosed are a polyester/polycarbonate alloy resin composition that includes: (A) a mixed resin including (A-1) a polycarbonate resin having a weight average molecular weight ranging from about 30,000 to about 200,000 g/mol and (A-2) a polyester resin having an intrinsic viscosity of about 0.85 to about 1.52 dl/g; (B) an acryl-based resin; and (C) an impact-reinforcing agent, and a molded product made using the polyester/polycarbonate alloy resin composition.Type: GrantFiled: December 18, 2009Date of Patent: October 25, 2011Assignee: Cheil Industries Inc.Inventors: Jung-Eun Park, Bang-Duk Kim, In-Sik Shim, Doo-Han Ha
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Patent number: 8030417Abstract: The present invention is a process for producing a polyester-polycarbonate type thermoplastic polyester elastomer in which a hard segment consisting of a polyester constructed of aromatic dicarboxylic acid, and an aliphatic or alicyclic diol, and a soft segment consisting mainly of aliphatic polycarbonate are connected, comprising at least a step of increasing the molecular weight of an aliphatic polycarbonate diol by a reaction of an aliphatic polycarbonate diol and a chain extender, and a step of reacting aliphatic polycarbonate and a polyester constructed of aromatic dicarboxylic acid and an aliphatic or alicyclic diol in the molten state.Type: GrantFiled: January 23, 2008Date of Patent: October 4, 2011Assignee: Toyo Boseki Kabushiki KaishaInventors: Gaku Maruyama, Kenta Susuki, Katsuaki Kuze, Shigeo Ukyo, Shoji Koketsu
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Publication number: 20110229673Abstract: Provide is a flame-retardant polyester resin composition exhibiting excellent flame-retardant performance, specifically flame self-extinction performance and excellent injection moldability and blow moldability by biaxially-stretch blow molding method, by solving problem of poor injection moldability of the conventional polyester. A flame-retardant polyester resin composition comprising: (A) 50-80% by mass of a polyester resin, (B) 10-40% by mass of a polycarbonate resin, (C) 5-30% by mass of a polymer of a glass transition temperature Tg of less than 35° C., and (D) 0.5-5% by mass of a polymer of a carbon residue rate resin of at least 15%.Type: ApplicationFiled: March 14, 2011Publication date: September 22, 2011Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Yasuo KURACHI, Akira OHIRA, Hiroshi ONO, Kazuyoshi OTA
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Publication number: 20110230625Abstract: Provide is a flame-retardant polyester resin composition exhibiting excellent flame-retardant performance, specifically flame self-extinction performance and excellent mechanical performance such as elastic modulus, bending strength, and impact strength. Also provided is a flame-retardant polyester resin composition exhibiting excellent flame-retardant performance, specifically flame self-extinction performance and excellent mechanical performance such as elastic modulus, bending strength, and impact strength, even when at least one of a polyester resin and a polycarbonate resin obtained from molded products having become waste materials is recycled. A flame-retardant polyester resin composition comprising: (A) 50-80% by mass of a polyethylene terephthalate (PET), (B) 5-40% by mass of a polycarbonate resin, (C) 5-30% by mass of a polymer of a glass transition temperature Tg of less than 35° C., (D) 0.Type: ApplicationFiled: March 14, 2011Publication date: September 22, 2011Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Yasuo KURACHI, Akira OHIRA, Hiroshi ONO, Kazuyoshi OTA
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Publication number: 20110216474Abstract: A stretched film comprising a dispersion of at least one polyester and/or polycarbonate in a matrix of at least one polyester and/or polycarbonate different from the first polyester and/or polycarbonate, the percentage by weight of the dispersed polyester and/or polycarbonate in the dispersion being less than 50% and the dispersed polyester and/or polycarbonate being in the form of platelets. The stretched film can be used as a dielectric in a capacitor.Type: ApplicationFiled: April 10, 2009Publication date: September 8, 2011Applicant: DuPont Teijin Films U.S. Limited PartnershipInventors: Alexis Grosrenaud, Luclen Schosseler
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Patent number: 8013105Abstract: Provided are a polycarbonate resin composition containing a glass filler, which is excellent in transparency, strength, and heat resistance and provided with high flame retardancy, and a polycarbonate resin molded article obtained by molding the resin composition. The flame-retardant polycarbonate resin composition contains a combination including (A) 55 to 95 mass % of an aromatic polycarbonate resin and (B) 45 to 5 mass % of a glass filler having a refractive index smaller or larger than a refractive index of the aromatic polycarbonate resin by 0.002 or less, and further contains, with respect to 100 parts by mass of the combination, (C) 0.05 to 2.0 parts by mass of a silicone compound having a reactive functional group and (D) 0.03 to 0.4 part by mass of an organic alkali metal salt compound and/or an organic alkaline earth metal salt compound. The polycarbonate resin molded article has a thickness of 0.3 to 10 mm which is obtained by molding the composition.Type: GrantFiled: October 11, 2007Date of Patent: September 6, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Toshio Isozaki, Kouji Satou
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Patent number: 8013065Abstract: A method for making a multi-branched polymer includes reacting a first polymeric unit with a functional cyclic compound to form a functional macroinitiator compound with a cyclic moiety. The functional macroinitiator compound is reacted with an amine functional compound to open the cyclic moiety and form a first functional group and a second functional group. To form the branched polymer, at least one of a second polymeric unit is propagated from the first functional group and a third polymeric unit is propagated from the second functional group.Type: GrantFiled: June 9, 2009Date of Patent: September 6, 2011Assignees: International Business Machines Corporation, The Board of Trustees of the Leland Stanford Junior UniversityInventors: James L. Hedrick, Eric Appel, Robert D. Miller, Fredrik Nederberg, Robert M. Waymouth
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Publication number: 20110196098Abstract: The invention relates to polyester mixtures, comprising A) from 30 to 98% by weight of at least one thermoplastic aromatic polyester, B) from 0.01 to 15% by weight of B1) at least one highly branched or hyperbranched polycarbonate, or B2) at least one highly branched or hyperbranched polyester or a mixture of these C) from 1 to 20% by weight of a polyester based on aliphatic and aromatic dicarboxylic acids and on an aliphatic dihydroxy compound, 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%; and to their use, and also to fibers, foils, and moldings obtainable from these polyester mixtures.Type: ApplicationFiled: August 13, 2008Publication date: August 11, 2011Inventors: Claudia Mettlach, Andreas Eipper, Bernd Bruchmann, Martin Weber, Motonori Yamamoto, Chirag Tejuja, Carsten Weiss
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Patent number: 7985827Abstract: Described are polyester compositions comprising (a) a dicarboxylic acid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues, wherein said 2,2,4,4-tetramethyl-1,3-cyclobutanediol contains certain cis to trans ratios; and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: July 26, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Publication number: 20110144266Abstract: This invention relates to a thermoplastic article formed from a polyester/bisphenol A polycarbonate blend wherein the thermoplastic article comprises at least one polyester composition comprising at least one polyester which comprises terephthalic acid and 2,2,4,4-tetramethyl-1,3-cyclobutanediol.Type: ApplicationFiled: January 31, 2011Publication date: June 16, 2011Applicant: EASTMAN CHEMICAL COMPANYInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Patent number: 7960464Abstract: The present invention is a polycarbonate resin composition containing a polycarbonate resin and comprising at least two resins contained as components, wherein the intensity ratio of the absorption peak appearing in a range of 2933±5 cm?1 to the absorption peak appearing in a range of 2965±5 cm?1 is 0.43 or more. The polymer alloy of this invention can be used to obtain a material with excellent impact resistance.Type: GrantFiled: May 20, 2008Date of Patent: June 14, 2011Assignee: Toray Industries, Inc.Inventors: Sadayuki Kobayashi, Shinichiro Ochiai, Akiko Tanaka
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Patent number: 7960472Abstract: A process for preparing modified polymer by withdrawing a slip stream of polymer melt from the discharge line of a continuous polymerization reactor, admixing in a highly modified polymeric additive into the polymer melt within the slip stream, then introducing the modifier containing slip stream late in the manufacturing process prior to the slip stream withdrawal point. The improved processes of the invention have particular utility for large-scale, continuous reactor where transitions and short production runs are economically prohibitive thereby limiting the product breath. The process is particularly suited for producing a family of copolyesters using a continuous melt phase production process.Type: GrantFiled: October 21, 2010Date of Patent: June 14, 2011Assignee: Eastman Chemical CompanyInventors: Frederick Leslie Colhoun, Kenrick Lyle Venett, Bruce Roger DeBruin
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Patent number: 7956126Abstract: A styrene-based resin composition that can be effectively used as a structural material owing to its excellent mechanical properties and also as a functional material owing to its excellent regularity and a method for manufacturing a styrene-based resin composition structurally controllable in nanometer order to micrometer order. The styrene-based resin composition includes (A) a styrene-based resin, (B) a thermoplastic resin other than a styrene-based resin, (c1) a modified styrene-based polymer and (c2) a polycarbonate-based graft polymer.Type: GrantFiled: February 27, 2006Date of Patent: June 7, 2011Assignee: Toray Industries, Inc.Inventors: Akiyoshi Tamai, Shinichiro Ochiai, Sadayuki Kobayashi
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Patent number: 7951899Abstract: An enzymatic process for preparing aliphatic polycarbonates via terpolymerization or transesterification using a dialkyl carbonate, an aliphatic diester, and an aliphatic diol or triol reactant. A catalyst having an enzyme capable of catalyzing an ester hydrolysis reaction in an aqueous environment is subsequently added to the reaction mixture. Next, polymerization of the reaction proceeds for an allotted time at a temperature ?100° C. Finally, the copolymer is isolated from an the catalyst via filtration.Type: GrantFiled: August 15, 2008Date of Patent: May 31, 2011Assignee: Polytechnic UniversityInventors: Richard A. Gross, Zhaozong Jiang
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Patent number: 7951900Abstract: Described are dialysis filter housings comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: May 31, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Patent number: 7923100Abstract: In one embodiment, the sheet, comprises: a cap layer comprising an acrylic polymer; and a base layer, wherein the sheet is thermoformable. The base layer comprises a cycloaliphatic polyester copolymer and an optionally, an aromatic polycarbonate. The cycloaliphatic polyester copolymer can comprise greater than 10 wt % cycloaliphatic diol or acid or combination thereof, based upon a total weight of the cycloaliphatic polyester copolymer.Type: GrantFiled: January 28, 2008Date of Patent: April 12, 2011Assignee: Sabic Innovative Plastics IP B.V.Inventors: Sandeep Tripathi, Shreyas Chakravarti, Sapna Kirk Blackburn
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Patent number: 7923506Abstract: A molding composition comprising: (a) from 40 to 99.99 wt % of a modified polybutylene terephthalate random copolymer that (1) is derived from polyethylene terephthalate component selected from the group consisting of polyethylene terephthalate and polyethylene terephthalate copolymers and (2) has at least one residue derived from the polyethylene terephthalate component, and (b) from 0.01 to 20 wt. % of a carboxy reactive component; wherein the modified polybutylene terephthalate random copolymer, the carboxy reactive component, and optionally at least one additive, are present in a total amount of 100 wt %.Type: GrantFiled: January 23, 2007Date of Patent: April 12, 2011Assignee: Sabic Innovative Plastics IP B.V.Inventors: Kristen Cohoon, Shellie Virginia Gasaway, Ganesh Kannan, Kenneth Frederick Miller, Kayoko Onda, Dhaval Shah
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Patent number: 7915376Abstract: Described are bottle(s) comprising polyesters comprising (a) a dicarboxylicacid component comprising terephthalic acid residues; optionally, aromatic dicarboxylic acid or aliphatic dicarboxylic acid residues; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: March 29, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, David Scott Porter, Gary Wayne Connell, Michael James Keegan
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Patent number: 7906610Abstract: Described are food storage containers comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: March 15, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Patent number: 7902320Abstract: Described are graphic art films comprising a polyester compositions comprising at least one polyester, comprising dicarboxylic acid component comprising 70 to 100 mole % of terephthalic acid residues and a glycol component comprising: 20 to 30 mole % of 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues and 70 to 80 mole % of 1,4-cyclohexanedimethanol residues, wherein the total mole % of the dicarboxylic acid component is 100 mole %, the total mole % of the glycol component is 100 mole %, and polyester has following properties: the inherent viscosity of the polyester is from 0.60 to 0.75 dL/g; Tg of from 100 to 130° C.; notched Izod impact strength of at least 7.5 ft-b/inch at 23° C. according to ASTM D256; the melt viscosity of the polyester is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C.; and the polyester composition contains no polycarbonate.Type: GrantFiled: March 28, 2006Date of Patent: March 8, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 7902302Abstract: Hydroxy-functional polyester-polyurethane dispersions comprising a reaction product of: (a) at least one, at least difunctional polyol component; (b) at least one ionizable compound having at least one acid group and at least one functional group capable of reacting with isocyanate groups, the at least one functional group selected from the group consisting of mono-, di-, and trihydroxycarboxylic acids, hydroxysulfonic acids, aminosulfonic acids, and aminocarboxylic acids; (c) at least one acid anhydride; and (d) at least one, at least difunctional polyisocyanate component; methods for preparing such dispersions; compositions containing such dispersions; and uses thereof.Type: GrantFiled: May 16, 2008Date of Patent: March 8, 2011Assignee: Bayer MaterialScience AGInventors: Harald Blum, Heino Müller
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Patent number: 7893188Abstract: Described are baby bottle(s) comprising polyesters comprising (a) a dicarboxylic acid component having terephthalic acid or an ester thereof; optionally, an aromatic dicarboxylic acid or aliphatic dicarboxylic acid or esters thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol; and 1,4-cyclohexanedimethanol.Type: GrantFiled: March 28, 2006Date of Patent: February 22, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Thomas Joseph Pecorini, David Scott Porter, Gary Wayne Connell, Michael James Keegan
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Patent number: 7893187Abstract: Described are glass laminates comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: February 22, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, David Scott Porter, Gary Wayne Connell
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Patent number: 7879953Abstract: This disclosure provides a medical device and a method of forming the medical device. The medical device comprises a coating comprising a type-one polymer and a type-two polymer. The type-one polymer comprises at least two different blocks, at least one L1 block with the formula ; and at least one L2 block with the formula Medical devices comprising these polymers, mixtures of these polymers with therapeutic agents, and methods of making these polymers and mixtures are within the scope of this disclosure.Type: GrantFiled: July 28, 2010Date of Patent: February 1, 2011Assignee: Advanced Cardiovascular Systems, Inc.Inventor: Stephen D. Pacetti
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Patent number: 7868128Abstract: Described are skylights comprising polyester compositions comprising polyesters which comprise (a) a dicarboxylic acid component having terephthalic acid residues; optionally, aromatic dicarboxylic acid residues or aliphatic dicarboxylic acid residues or ester residues thereof; 2,2,4,4-tetramethyl-1,3-cyclobutanediol residues; and 1,4-cyclohexanedimethanol residues.Type: GrantFiled: March 28, 2006Date of Patent: January 11, 2011Assignee: Eastman Chemical CompanyInventors: Emmett Dudley Crawford, Douglas Stephens McWilliams, David Scott Porter, Gary Wayne Connell
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Patent number: 7863407Abstract: A process for producing terephthalic acid in a TPA facility, polyethylene terephthalate in a PET facility, and containers in a forming facility in which the distance between the TPA facility and the forming facility is less than about 10 miles. There is also described a process for transporting a wet mixture of TPA particles via a convey system to a PET facility. In contrast to traditional processing schemes, the processing steps can be located proximate to each other and can be integrated to eliminate certain intermediate processing steps such as, for example, purification, heating, cooling, and drying.Type: GrantFiled: July 11, 2008Date of Patent: January 4, 2011Assignee: Eastman Chemical CompanyInventors: Bruce Roger DeBruin, Allan R. Rothwell