FR92735E - Procédé de préparation de polycarbonates thermoplastiques solubles a poids moléculaire elevé. - Google Patents

Procédé de préparation de polycarbonates thermoplastiques solubles a poids moléculaire elevé.

Info

Publication number
FR92735E
FR92735E FR109599A FR109599A FR92735E FR 92735 E FR92735 E FR 92735E FR 109599 A FR109599 A FR 109599A FR 109599 A FR109599 A FR 109599A FR 92735 E FR92735 E FR 92735E
Authority
FR
France
Prior art keywords
preparation
molecular weight
high molecular
soluble thermoplastic
thermoplastic polycarbonates
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR109599A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of FR92735E publication Critical patent/FR92735E/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • C08G64/14—Aromatic polycarbonates not containing aliphatic unsaturation containing a chain-terminating or -crosslinking agent
FR109599A 1965-01-15 1967-06-08 Procédé de préparation de polycarbonates thermoplastiques solubles a poids moléculaire elevé. Expired FR92735E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF0044973 1965-01-15
DEF0049420 1966-06-08

Publications (1)

Publication Number Publication Date
FR92735E true FR92735E (fr) 1968-12-20

Family

ID=25976591

Family Applications (1)

Application Number Title Priority Date Filing Date
FR109599A Expired FR92735E (fr) 1965-01-15 1967-06-08 Procédé de préparation de polycarbonates thermoplastiques solubles a poids moléculaire elevé.

Country Status (2)

Country Link
US (2) US3544514A (fr)
FR (1) FR92735E (fr)

Families Citing this family (134)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4001183A (en) * 1971-03-19 1977-01-04 Bayer Aktiengesellschaft Tetraphenol containing polycarbonates
DE2119775C3 (de) * 1971-04-23 1981-07-30 Bayer Ag, 5090 Leverkusen Aromatische Polycarbonate mit aliphatischen Hydroxylgruppen
US4061691A (en) 1973-04-26 1977-12-06 Bayer Aktiengesellschaft Flame-resistant polycarbonate molding compositions
DE2402175C3 (de) * 1974-01-17 1981-05-21 Bayer Ag, 5090 Leverkusen Polyvinylchlorid-Polycarbonat-Legierungen
JPS5243847A (en) * 1975-10-06 1977-04-06 Adeka Argus Chem Co Ltd Stabilized synthetic resin compositions
JPS5247842A (en) * 1975-10-14 1977-04-16 Adeka Argus Chem Co Ltd Stabilized synthetic resin compositions
JPS52103449A (en) * 1976-02-27 1977-08-30 Adeka Argus Chem Co Ltd Stabilized synthetic resin compositions
US4104217A (en) * 1977-01-24 1978-08-01 Argus Chemical Corporation Carbonate ester stabilizers for polymers
JPS5397044A (en) * 1977-02-04 1978-08-24 Adeka Argus Chem Co Ltd Stabilized synthetic resin composition
US4174359A (en) * 1977-09-06 1979-11-13 Mobay Chemical Corporation Flame retardant polycarbonate polyblends
US4370136A (en) 1978-03-02 1983-01-25 Widman Lawrence E Treatment for periodontal diseases
DE2842005A1 (de) * 1978-09-27 1980-04-10 Bayer Ag Polycarbonate mit alkylphenyl-endgruppen, ihre herstellung und ihre verwendung
WO1980002691A1 (fr) * 1979-05-30 1980-12-11 Gen Electric Polycarbonates renforces par des fibres minerales
US4514334A (en) * 1979-05-31 1985-04-30 General Electric Company Polyphenolic compounds
US4515937A (en) * 1980-09-09 1985-05-07 Mobay Chemical Corporation Flame resistant sulfur-bearing copolycarbonate
EP0067854A4 (fr) * 1980-12-31 1983-06-09 Gen Electric Compositions de polyester-carbonate remplies de graphite.
US4415724A (en) * 1982-03-19 1983-11-15 General Electric Company Branched aromatic polycarbonate from tetraphenol
US4415723A (en) * 1982-03-19 1983-11-15 General Electric Company Randomly branched aromatic polycarbonate from triphenol
US4415722A (en) * 1982-03-19 1983-11-15 General Electric Company Branched aromatic polycarbonate from aliphatic polyol
DE3378125D1 (en) 1982-09-10 1988-11-03 Bayer Ag Flame-retardant polymer mixtures
US4446298A (en) * 1982-12-17 1984-05-01 General Electric Company Branched copolycarbonate from triphenol
DE3341557A1 (de) * 1983-10-22 1985-05-02 Bayer Ag, 5090 Leverkusen Gefuellte polycarbonatfolien, ihre herstellung und verwendung
US4550155A (en) * 1983-11-03 1985-10-29 General Electric Co. Preparation of branched polycarbonates by transesterification with a triaryl tricarboxylic acid branching agent
DE3414116A1 (de) * 1984-04-14 1985-10-24 Bayer Ag, 5090 Leverkusen Uv-stabilisierte polycarbonatformkoerper
DE3506472A1 (de) * 1985-02-23 1986-08-28 Bayer Ag, 5090 Leverkusen Neue polydiorganosiloxan-polycarbonat-blockcopolymere
DE3506680A1 (de) * 1985-02-26 1986-08-28 Bayer Ag, 5090 Leverkusen Thermoplastische formmassen auf basis von polysiloxan-polycarbonat-blockcopolymeren
DE3519690A1 (de) * 1985-02-26 1986-08-28 Bayer Ag, 5090 Leverkusen Thermoplastische formmassen auf basis von polysiloxan-polycarbonat-blockcopolymeren
CA1289290C (fr) 1985-04-11 1991-09-17 John V. Bailey Polycarbonates stabilises
DE3524054A1 (de) 1985-07-05 1987-01-08 Bayer Ag Tetra-(hydroxyaryl)-bis-chinoxaline, ihre herstellung und ihre verwendung als verzweigungsmittel fuer thermoplastische polycarbonate
DE3662188D1 (en) * 1985-10-08 1989-04-06 Mitsui Petrochemical Ind Triphenol and polycarbonate polymer prepared therefrom
DE3617978A1 (de) * 1986-05-28 1987-12-03 Bayer Ag Verzweigte thermoplastische polycarbonate mit verbessertem schutz gegen uv-licht
US4767815A (en) * 1987-11-09 1988-08-30 Gaf Corporation Guerbet alcohol esters
US5238985A (en) * 1987-12-30 1993-08-24 Rhone-Poulenc Surfactants And Specialties, L.P. Thermoplastic molding compositions
DE3803939A1 (de) * 1988-02-10 1989-08-24 Bayer Ag Polycarbonate mit aralkylphenylendgruppen, ihre herstellung und verwendung
US5026817A (en) * 1988-07-11 1991-06-25 Ge Plastics Japan, Ltd. Catalytic process for preparing polycarbonates from carbonic acid
JPH0684429B2 (ja) * 1988-09-06 1994-10-26 出光石油化学株式会社 分岐ポリカーボネート及びその製造方法
DE68928766T2 (de) * 1988-09-22 1999-03-25 Ge Plastics Japan Ltd Verfahren zur Herstellung von Polycarbonaten
US4888400A (en) 1989-01-17 1989-12-19 General Electric Company Preparation of branched thermoplastic polycarbonate from polycarbonate and polyhydric phenol
US5021521A (en) * 1989-01-17 1991-06-04 General Electric Company Process of reacting branched thermoplastic polycarbonate with polyhydric phenol having more than two hydroxy groups
US4868236A (en) * 1989-01-23 1989-09-19 Lenick Jr Anthony J O Citrate polyesters of guerbet of alcohols and their alkoxylates as polycarbonate lubricants
JP2681682B2 (ja) * 1989-03-14 1997-11-26 出光石油化学株式会社 分岐状ポリカーボネートの製造方法
BR8907885A (pt) * 1989-04-05 1991-12-24 Rhone Poulenc Surfactants Composicao,processo de adicao de uma quantidade lubrificante eficaz de um ester ramificado derivado de guerbet,produto conformado,moldado ou extrudado,e,produto polimerico termoplastico em particulas
US5097008A (en) * 1989-06-01 1992-03-17 General Electric Company Preparation of branched polycarbonate from oligomeric cyclic polycarbonate and polyhydric phenol
US5104964A (en) * 1989-08-03 1992-04-14 Idemitsu Petrochemical Co., Ltd. Branched polycarbonate having branching parameter and degree of branching
US4992598A (en) * 1990-02-09 1991-02-12 Hoechst Celanese Corporation Purification of 1, 1, 1-tris(4'-hydroxyphenyl)ethane
US5037942A (en) * 1990-03-28 1991-08-06 The Dow Chemical Company Continuous motionless mixer reactor process for the production of branched polycarbonate
DE4013112A1 (de) * 1990-04-25 1991-11-07 Bayer Ag Stabilisierte thermoplastische formmassen
DE4013113A1 (de) * 1990-04-25 1991-10-31 Bayer Ag Stabilisierte thermoplastische formmassen
US5130467A (en) * 1990-08-31 1992-07-14 Hoechst Celanese Corporation Acrylate esters of 1,1,1-trishydroxyphenylethane
US5314949A (en) * 1991-01-24 1994-05-24 Idemitsu Petrochemical Co., Ltd. Polycarbonate resin composition
JP3155843B2 (ja) * 1992-03-03 2001-04-16 出光興産株式会社 ポリカーボネート重合体とその製造法及びこれを用いた電子写真感光体
JP3026707B2 (ja) * 1993-10-05 2000-03-27 出光石油化学株式会社 分岐状ポリカーボネートの製造方法
EP0699702A3 (fr) 1994-09-02 1996-05-08 Dow Chemical Co Produits de réaction de composés carbonyliques et de diphénols
US5521258A (en) 1994-11-14 1996-05-28 General Electric Company Autoclave resistant blends of poly(ester-carbonate) and polyetherimide resins
ES2104438T3 (es) * 1995-03-18 1997-10-01 Gen Electric Articulos termoplasticos revestidos.
US5756781A (en) * 1995-09-29 1998-05-26 General Electric Company Method for making tris(hydroxyphenyl) compounds using ion exchange
US5863992A (en) * 1996-07-15 1999-01-26 General Electric Company Tetraphenols and their use as polycarbonate branching agents
DE19727709A1 (de) 1997-06-30 1999-01-07 Bayer Ag Verfahren zur Herstellung von verzweigten Polycarbonaten
US6310145B1 (en) 1997-12-04 2001-10-30 General Electric Company Flame retardant polyetherimide resin composition with polycarbonate and polysiloxane
US6072010A (en) * 1997-12-23 2000-06-06 General Electric Co. Polyetherimide resin compositions with improved ductility
US5986016A (en) * 1997-12-23 1999-11-16 General Electric Co. Polyetherimide resin compositions having improved ductility
US6221940B1 (en) 1997-12-23 2001-04-24 General Electric Company Polyetherimide resin compositions with improved ductility
US6084054A (en) 1998-03-30 2000-07-04 General Electric Company Flame retardant polycarbonate resin/ABS graft copolymer blends having low melt viscosity
US6063844A (en) * 1998-04-02 2000-05-16 General Electric Company Polycarbonate/rubber-modified graft copolymer resin blends having improved thermal stability
US6133360A (en) * 1998-10-23 2000-10-17 General Electric Company Polycarbonate resin blends containing titanium dioxide
DE19913533A1 (de) 1999-03-25 2000-09-28 Bayer Ag Hochverzweigte Polykondensate
ATE277974T1 (de) † 2000-05-09 2004-10-15 Dow Global Technologies Inc Verzweigte polycarbonat abmischung
US6605659B2 (en) 2000-12-20 2003-08-12 General Electric Company Flame retardant polycarbonate resin/ABS graft copolymer blends
US20030139504A1 (en) * 2001-11-12 2003-07-24 General Electric Company Flame retardant resinous compositions and method
US6613824B2 (en) 2001-11-12 2003-09-02 General Electric Company Flame retardant resinous compositions and method
US6437083B1 (en) * 2001-12-06 2002-08-20 General Electric Company Process for preparing branched aromatic polycarbonates
US7091267B2 (en) * 2002-03-19 2006-08-15 General Electric Company Resinous compositions, method of manufacture thereof and articles fabricated from the composition
ES2341329T3 (es) * 2002-04-22 2010-06-18 Mitsubishi Chemical Corporation Composicion de policarbonato aromatico y recipiente hueco para la misma.
US6921785B2 (en) * 2002-08-16 2005-07-26 General Electric Company Flame retardant resinous compositions and method
US7342059B2 (en) * 2003-01-13 2008-03-11 Eastman Chemical Company Polyester-polycarbonate blends useful for extrusion blow-molding
BRPI0412172A (pt) * 2003-07-23 2006-08-22 Dow Global Technologies Inc processo para produzir uma composição de policarbonato ramificado
US7345104B2 (en) * 2003-12-16 2008-03-18 Eastman Chemical Company Polyester-polycarbonate blends useful for extrusion blow-molding
US7297736B2 (en) * 2004-10-28 2007-11-20 Eastman Chemical Company Neopentyl glycol containing polyesters blended with polycarbonates
US20060100394A1 (en) * 2004-11-05 2006-05-11 Hale Wesley R Blends of polyesters with modified polycarbonates
US20060287485A1 (en) * 2005-06-17 2006-12-21 Crawford Emmett D Sound barriers comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US20060270773A1 (en) * 2005-05-26 2006-11-30 Hale Wesley R Polyester-polycarbonate blends for diffuser sheets with improved luminance
US7704605B2 (en) 2006-03-28 2010-04-27 Eastman Chemical Company Thermoplastic articles comprising cyclobutanediol having a decorative material embedded therein
US20100298523A1 (en) * 2005-06-17 2010-11-25 Eastman Chemical Company Polyester Compositions Which Comprise Cyclobutanediol and at Least One Phosphorus Compound
US7425590B2 (en) 2005-07-12 2008-09-16 Eastman Chemical Company Transparent two phase polyester-polycarbonate compositions
US7230065B2 (en) * 2005-07-12 2007-06-12 Eastman Chemical Company Blends of polycarbonate and sulfone copolyesters
US7226985B2 (en) * 2005-07-12 2007-06-05 Eastman Chemical Company Polyester-polycarbonate compositions
EP1940908B1 (fr) 2005-10-28 2010-11-03 Eastman Chemical Company Compositions de polyester contenant du cyclobutanediol qui presente une certaine combinaison d'indice logarithmique de viscosite et de temperature de transition vitreuse moderee et articles fabriques a partir de celles-ci
ATE444981T1 (de) * 2005-10-28 2009-10-15 Eastman Chem Co Aus 2,2,4,4-tetramethyl-1,3-cyclobutandiol und 1, 4-cyclohexandimethanol gebildete polyesterzusammensetzungen umfassendes restaurantgeschirr
US8193302B2 (en) * 2005-10-28 2012-06-05 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol and certain phosphate thermal stabilizers, and/or reaction products thereof
US20100087574A1 (en) * 2005-10-28 2010-04-08 Emmett Dudley Crawford Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom
US20070100125A1 (en) * 2005-10-28 2007-05-03 Crawford Emmett D Polyester compositions comprising minimal amounts of cyclobutanediol
US9598533B2 (en) 2005-11-22 2017-03-21 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom
US7737246B2 (en) 2005-12-15 2010-06-15 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol, cyclohexanedimethanol, and ethylene glycol and manufacturing processes therefor
US20070232778A1 (en) * 2006-03-28 2007-10-04 Leslie Shane Moody Certain polyester compositions which comprise cyclobutanediol, cyclohexanedimethanol, and high trans-cyclohexanedicarboxylic acid
US9169388B2 (en) 2006-03-28 2015-10-27 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol and certain thermal stabilizers, and/or reaction products thereof
US20070232779A1 (en) * 2006-03-28 2007-10-04 Leslie Shane Moody Certain polyester compositions which comprise cyclohexanedimethanol, moderate cyclobutanediol, cyclohexanedimethanol, and high trans cyclohexanedicarboxylic acid
US9200157B2 (en) * 2006-09-06 2015-12-01 Solvay Advanced Polymers, L.L.C. Aromatic polycarbonate composition
US20080103235A1 (en) * 2006-11-01 2008-05-01 Wesley Raymond Hale Clear blends of bisphenol a polycarbonate and copolyesters
US20090043053A1 (en) 2007-08-07 2009-02-12 Rudiger Gorny Aircraft window
US7754793B2 (en) 2007-08-07 2010-07-13 Bayer Materialscience Llc Flame resistant polycarbonate composition
US8568860B2 (en) * 2007-11-12 2013-10-29 Sabic Innovative Plastics Ip B.V. Multiwall polymer sheet comprising branched polycarbonate
KR101790591B1 (ko) 2007-11-21 2017-10-26 이스트만 케미칼 컴파니 플라스틱 젖병, 다른 취입 성형된 제품, 및 이들의 제조 방법
US8501287B2 (en) 2007-11-21 2013-08-06 Eastman Chemical Company Plastic baby bottles, other blow molded articles, and processes for their manufacture
US20090189321A1 (en) 2008-01-29 2009-07-30 Dow Global Technologies Inc. Thermoplastic composition and use for large parison blow molding applications
US8198371B2 (en) 2008-06-27 2012-06-12 Eastman Chemical Company Blends of polyesters and ABS copolymers
US7696297B2 (en) * 2008-06-30 2010-04-13 Sabic Innovative Plastics Ip B.V. Branched polycarbonates and processes for producing the same
US20090326183A1 (en) * 2008-06-30 2009-12-31 Schultz Laura G Branched polycarbonate-polysiloxane copolymers and processes for producing the same
US8895654B2 (en) 2008-12-18 2014-11-25 Eastman Chemical Company Polyester compositions which comprise spiro-glycol, cyclohexanedimethanol, and terephthalic acid
TW201139532A (en) 2010-04-30 2011-11-16 Styron Europe Gmbh Improved light diffusing composition
WO2012019982A1 (fr) 2010-08-09 2012-02-16 Basf Se Compositions thermoplastiques à mouler ayant une adhérence améliorée sur une couche de métal électroplaquée
US8420869B2 (en) 2010-12-09 2013-04-16 Eastman Chemical Company Process for the preparation of 2,2,4,4-tetraalkylcyclobutane-1,3-diols
US8394997B2 (en) 2010-12-09 2013-03-12 Eastman Chemical Company Process for the isomerization of 2,2,4,4-tetraalkylcyclobutane-1,3-diols
US8420868B2 (en) 2010-12-09 2013-04-16 Eastman Chemical Company Process for the preparation of 2,2,4,4-tetraalkylcyclobutane-1,3-diols
US9650506B2 (en) 2010-12-16 2017-05-16 Ineos Styrolution Europe Gmbh Thermoplastic moulding compositions for metal plated articles with improved resistance against repeated impact
ES2642672T3 (es) 2011-02-11 2017-11-17 Covestro Deutschland Ag Composiciones de moldeado de policarbonato termoplástico pirorretardantes
US20120319031A1 (en) 2011-06-15 2012-12-20 Thermal Solution Resources, Llc Thermally conductive thermoplastic compositions
US20140290473A1 (en) 2011-06-21 2014-10-02 Bayer Materialscience Llc Polycarbonate laminate for close-proximity blast events
US8669314B2 (en) 2012-02-03 2014-03-11 Sabic Innovative Plastics Ip B.V. Hydrolytic stability in polycarbonate compositions
US20130217830A1 (en) 2012-02-16 2013-08-22 Eastman Chemical Company Clear Semi-Crystalline Articles with Improved Heat Resistance
WO2014035482A2 (fr) 2012-08-29 2014-03-06 Bayer Materialscience Llc Absorbeur d'énergie pour système de murs pare-souffle haute performance
WO2014197034A2 (fr) 2013-03-11 2014-12-11 Bayer Materialscience Llc Compositions contenant du polycarbonate et des additifs réfléchissant les infrarouges
US9732220B2 (en) 2013-03-13 2017-08-15 Covestro Llc Polymers and polymer blends with enhanced gloss level
CN110360467A (zh) 2013-04-19 2019-10-22 科思创有限公司 模内电子印刷电路板封装及组件
US20150090411A1 (en) 2013-09-30 2015-04-02 Bayer Materialscience Llc Polycarbonate laminate window covers for rapid deployment providing protection from forced-entry and ballistics
US10066102B2 (en) 2013-11-22 2018-09-04 Trinseo Europe Gmbh Polycarbonate containing compositions
RU2662547C1 (ru) 2013-11-22 2018-07-26 ТРИНСЕО ЮРОП ГмбХ Композиции, содержащие поликарбонат
US10132597B2 (en) 2013-12-18 2018-11-20 Plaskolite Massachusetts, Llc Ballistic-resistant structural insulated panels
US9879474B2 (en) 2014-05-06 2018-01-30 Covestro Llc Polycarbonate based rapid deployment cover system
WO2016042355A1 (fr) 2014-09-15 2016-03-24 Trinseo Europe Gmbh Polycarbonates ignifuges présentant une transmittance lumineuse totale élevée
CA2973507A1 (fr) 2015-02-09 2016-08-18 Covestro Llc Systeme de stratifie a base de polycarbonate leger attenuant le souffle
WO2017042355A1 (fr) 2015-09-09 2017-03-16 Solvay Specialty Polymers Usa, Llc Compositions polymères comprenant une polyaryléthercétone et un polymère de polycarbonate, et articles formés pouvant être obtenus à partir de celles-ci
EP3251827B1 (fr) 2016-05-30 2021-07-28 Covestro Deutschland AG Composites combinés de polyuréthane et de polyamide thermoplastiques renforcés par des fibres de carbone et de verre et leur fabrication
CN109563704A (zh) 2016-08-19 2019-04-02 科思创有限公司 用于安全隔离室的超薄聚碳酸酯板材
US20210385937A1 (en) 2018-10-09 2021-12-09 Covestro Llc Insert-molded electronic modules using thermally conductive polycarbonate and molded interlocking features

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA697453A (en) * 1964-11-10 Butterworth Richard Branched polycarbonate
NL103308C (fr) * 1956-12-04
GB885442A (en) * 1958-08-05 1961-12-28 Ici Ltd Polycarbonates
US3240756A (en) * 1961-03-02 1966-03-15 Allied Chem Continuous addition of phenolic chain terminator in bisphenol polycarbonate production by emulsion polymerization

Also Published As

Publication number Publication date
US3544514A (en) 1970-12-01
USRE27682E (en) 1973-06-19

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