FR2400043A1 - Copolyesters comprenant des motifs derives de l'acide terephtalique et de l'acide 2,6-naphtalenedicarboxylique utiles, en particulier, pour la preparation de cristaux liquides - Google Patents
Copolyesters comprenant des motifs derives de l'acide terephtalique et de l'acide 2,6-naphtalenedicarboxylique utiles, en particulier, pour la preparation de cristaux liquidesInfo
- Publication number
- FR2400043A1 FR2400043A1 FR7823309A FR7823309A FR2400043A1 FR 2400043 A1 FR2400043 A1 FR 2400043A1 FR 7823309 A FR7823309 A FR 7823309A FR 7823309 A FR7823309 A FR 7823309A FR 2400043 A1 FR2400043 A1 FR 2400043A1
- Authority
- FR
- France
- Prior art keywords
- acid
- terephthalic acid
- preparation
- copolyesters
- liquid crystals
- 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.)
- Granted
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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/60—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds
- C08G63/605—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds the hydroxy and carboxylic groups being bound to aromatic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Artificial Filaments (AREA)
Abstract
La présente invention est relative à des copolyesters utiles à la préparation de cristaux liquides. Les copolyesters suivant l'invention comprennent des motifs dérivés de l'acide p-téréphtalique A**1, de l'acide 2,6-naphtalène-dicarboxylique A**2, de l'hydroquinone B et de l'acide p-acyloxybenzoïque C. Le rapport molaire du groupe phénylène du motif A**1 à l'ensemble des groupes phénylène et naphtylène des motifs A**1 et A**2, est compris entre 10/100 et 60/100 et le rapport molaire des motifs C à l'ensemble des motifs A**1, A** 2, B et C est compris entre 8/100 et 70/100. Les copolyesters suivant l'invention (courbe 40N/60T, 50N/50T, 70N/30T et 60N/40T de la figure 1, où N et T représentent respectivement l'acide 2,6-naphtalènedicarboxylique et l'acide teréphtalique) présentent l'avantage d'une temperature de fusion beaucoup plus faible que celle des copolyesters de la technique antérieure qui contiennent uniquement des motifs de diacides dérivés de l'acide téréphtalique (courbe 100T).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/822,989 US4169933A (en) | 1977-08-08 | 1977-08-08 | Liquid crystal copolyesters containing terephthalic acid and 2,6-naphthalenedicarboxylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2400043A1 true FR2400043A1 (fr) | 1979-03-09 |
FR2400043B1 FR2400043B1 (fr) | 1982-06-04 |
Family
ID=25237494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7823309A Granted FR2400043A1 (fr) | 1977-08-08 | 1978-08-08 | Copolyesters comprenant des motifs derives de l'acide terephtalique et de l'acide 2,6-naphtalenedicarboxylique utiles, en particulier, pour la preparation de cristaux liquides |
Country Status (6)
Country | Link |
---|---|
US (1) | US4169933A (fr) |
JP (1) | JPS5430290A (fr) |
DE (1) | DE2834537A1 (fr) |
FR (1) | FR2400043A1 (fr) |
GB (1) | GB2002404B (fr) |
IT (1) | IT1097939B (fr) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE416814B (sv) * | 1974-05-10 | 1981-02-09 | Du Pont | Nya syntetiska polyestrar och sett for deras framstellning |
US4238598A (en) * | 1979-02-08 | 1980-12-09 | Fiber Industries, Inc. | Polyester of para-hydroxy benzoic acid, 1,2-bis(para-carboxy phenoxy)ethane, terephthalic acid and hydroquinone capable of forming an anisotropic melt which readily undergoes melt processing |
EP0024499B1 (fr) * | 1979-06-25 | 1984-03-07 | Teijin Limited | Feuille biaxialement orientée à base de polyester entièrement aromatique, et procédé pour sa fabrication |
US4256624A (en) * | 1979-07-02 | 1981-03-17 | Celanese Corporation | Polyester of 6-hydroxy-2-naphthoic acid, aromatic diol, and aromatic diacid capable of undergoing melt processing |
US4337191A (en) * | 1979-11-05 | 1982-06-29 | Fiber Industries, Inc. | Polyester of para-hydroxy benzoic acid, 2,6-naphthalene dicarboxylic acid, terephthalic acid and methylhydroquinone exhibiting improved hydrolytic stability and which is capable of forming an anisotropic melt |
US4267289A (en) * | 1980-07-03 | 1981-05-12 | Celanese Corporation | Blend of wholly aromatic polyesters |
US4375530A (en) * | 1982-07-06 | 1983-03-01 | Celanese Corporation | Polyester of 2,6-naphthalene dicarboxylic acid, 2,6-dihydroxy naphthalene, terephthalic acid, and hydroquinone capable of forming an anisotropic melt |
JPS5943115A (ja) * | 1982-08-27 | 1984-03-10 | Toray Ind Inc | ミツクス糸の製造方法 |
JPS6054112U (ja) * | 1983-09-20 | 1985-04-16 | 株式会社三協精機製作所 | 大口径超広角レンズ |
US6045906A (en) | 1984-03-15 | 2000-04-04 | Cytec Technology Corp. | Continuous, linearly intermixed fiber tows and composite molded article thereform |
US4764583A (en) * | 1986-03-14 | 1988-08-16 | Mitsui Petrochemical Industries, Ltd. | Melt-moldable wholly aromatic polyester |
US4664972A (en) * | 1986-04-23 | 1987-05-12 | E. I. Du Pont De Nemours And Company | Optically anisotropic melt forming aromatic copolyesters based on t-butylhydroquinone |
JPH07696B2 (ja) * | 1986-04-30 | 1995-01-11 | 三井石油化学工業株式会社 | 芳香族ポリエステル |
FR2607818B1 (fr) * | 1986-12-05 | 1989-03-24 | Rhone Poulenc Chimie | Copolyesters amides aromatiques thermotropes |
JPH0717748B2 (ja) * | 1986-12-19 | 1995-03-01 | 川崎製鉄株式会社 | 芳香族ポリエステルアミド |
FR2617851B1 (fr) * | 1987-07-10 | 1989-11-24 | Rhone Poulenc Chimie | Copolyesters et copolyesteramides aromatiques thermotropes |
FR2617852B1 (fr) * | 1987-07-10 | 1989-11-24 | Rhone Poulenc Chimie | Copolyesters amides aromatiques thermotropes |
US4849499A (en) * | 1988-08-01 | 1989-07-18 | Eastman Kodak Company | Melt processable, liquid crystalline polyesters |
US5025082A (en) * | 1988-08-24 | 1991-06-18 | Mitsubishi Kasei Corporation | Aromatic polyester, aromatic polyester-amide and processes for producing the same |
JPH0453001U (fr) * | 1990-09-06 | 1992-05-06 | ||
US5221730A (en) * | 1990-11-16 | 1993-06-22 | Eastman Kodak Company | Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid and hydroquinone |
US5237038A (en) * | 1990-11-16 | 1993-08-17 | Eastman Kodak Company | Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid, hydroquinone and 4,4'-biphenol |
US5110896A (en) * | 1990-12-10 | 1992-05-05 | E. I. Du Pont De Nemours And Company | Thermotropic liquid crystalline polyester compositions |
DE4041520A1 (de) * | 1990-12-22 | 1992-06-25 | Bayer Ag | Modifizierte polyesterharze, ein verfahren zu deren herstellung und toner, die solche polyesterharze enthalten |
US5260409A (en) * | 1991-06-21 | 1993-11-09 | Eastman Kodak Company | Liquid crystalline polyester |
US5250654A (en) * | 1992-05-04 | 1993-10-05 | E. I. Du Pont De Nemours And Company | Thermotropic liquid crystalline polyester compositions |
US5346969A (en) * | 1992-12-23 | 1994-09-13 | E. I. Du Pont De Nemours And Company | Polyimide polymeric blends |
US5710237A (en) * | 1994-09-06 | 1998-01-20 | E. I. Du Pont De Nemours And Company | Liquid crystalline polyester resin |
AU1524897A (en) * | 1996-01-05 | 1997-08-01 | E.I. Du Pont De Nemours And Company | Liquid crystalline polymer composition |
US5798432A (en) * | 1996-03-22 | 1998-08-25 | Hoechst Celanese Corp. | Method of making thermotropic liquid crystalline polymers containing hydroquinone |
WO1997045469A1 (fr) * | 1996-05-28 | 1997-12-04 | E.I. Du Pont De Nemours And Company | Resine polyester a cristaux liquides |
US5700863A (en) * | 1996-08-19 | 1997-12-23 | E. I. Du Pont De Nemours And Company | Polyimide polymeric blends |
WO1998010926A1 (fr) | 1996-09-11 | 1998-03-19 | Dupont Canada Inc. | Echangeurs thermiques a couches de polymere a cristaux liquides |
EP0925182A1 (fr) | 1996-09-11 | 1999-06-30 | Dupont Canada Inc. | Echangeurs thermiques en polymere multicouche possedant une couche barriere |
US5988649A (en) | 1997-05-01 | 1999-11-23 | E. I. Du Pont De Nemours And Company | Fractured seal ring |
US6121369A (en) * | 1997-06-06 | 2000-09-19 | Eastman Chemical Company | Liquid crystalline polyester compositions containing carbon black |
US6093787A (en) * | 1997-06-06 | 2000-07-25 | Eastman Chemical Company | Liquid crystalline polyesters and molding compositions prepared therefrom |
US6048922A (en) * | 1997-08-20 | 2000-04-11 | Eastman Chemical Company | Process for preparing high strength fiber reinforced composites |
US6051644A (en) | 1997-10-10 | 2000-04-18 | Eastman Chemical Company | Fiber reinforced resins with improved physical properties and process for producing same |
US5969083A (en) * | 1998-09-18 | 1999-10-19 | Eastman Chemical Company | Liquid crystalline polyesters having a surprisingly good combination of a low melting point, a high heat distortion temperature, a low melt viscosity, and a high tensile elongation |
EP1312631A3 (fr) * | 1998-09-18 | 2003-06-25 | Eastman Chemical Company | Polyesters cristallins liquides ayant une excellente combinaison temperature de fusion basse, temperature de deformation thermique elevee, viscosite de fusion basse et elongation a la traction elevee |
US6348163B1 (en) * | 1998-09-18 | 2002-02-19 | Eastman Chemical Company | Liquid crystalline polyesters compositions containing aromatic phosphonites and a process for the preparation thereof |
US6379795B1 (en) | 1999-01-19 | 2002-04-30 | E. I. Du Pont De Nemours And Company | Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions |
US6364008B1 (en) | 1999-01-22 | 2002-04-02 | E. I. Du Pont De Nemours And Company | Heat exchanger with tube plates |
WO2000079206A1 (fr) | 1999-06-22 | 2000-12-28 | Dupont Canada Inc. | Echangeur de chaleur forme a partir de tubes par extrusion et collage thermique simultanes |
JP2004510123A (ja) | 2000-10-06 | 2004-04-02 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 屈曲可能なプラスチック管材料から製造した冷却可能な熱交換器、および方法 |
CA2476187A1 (fr) * | 2002-02-13 | 2003-08-21 | Dupont Canada Inc. | Procede de fabrication de plaques de separation de pile a combustible sous faible contrainte de cisaillement |
JP2004051867A (ja) * | 2002-07-23 | 2004-02-19 | Sumitomo Chem Co Ltd | 芳香族液晶ポリエステルフィルムおよびその金属積層体 |
US20040113129A1 (en) * | 2002-07-25 | 2004-06-17 | Waggoner Marion G. | Static dissipative thermoplastic polymer composition |
US20050082720A1 (en) * | 2003-01-23 | 2005-04-21 | Bloom Joy S. | Moldings of liquid crystalline polymer powders |
US20050189725A1 (en) | 2003-12-22 | 2005-09-01 | Edwards Mark S. | Multi-layered seal structure |
KR100611205B1 (ko) * | 2004-08-26 | 2006-08-10 | 삼성전자주식회사 | Vsb 방식 수신기를 위한 심볼 타이밍 복원장치 및 그복원방법 |
CA2538761A1 (fr) * | 2005-03-08 | 2006-09-08 | Anthony Joseph Cesaroni | Methode de scellement de tubes d'echangeur thermique |
JP5203932B2 (ja) * | 2005-04-19 | 2013-06-05 | ティコナ・エルエルシー | 液晶ポリマー組成物 |
US7547849B2 (en) | 2005-06-15 | 2009-06-16 | E.I. Du Pont De Nemours And Company | Compositions useful in electronic circuitry type applications, patternable using amplified light, and methods and compositions relating thereto |
US20090017309A1 (en) * | 2007-07-09 | 2009-01-15 | E. I. Du Pont De Nemours And Company | Compositions and methods for creating electronic circuitry |
US8475924B2 (en) | 2007-07-09 | 2013-07-02 | E.I. Du Pont De Nemours And Company | Compositions and methods for creating electronic circuitry |
US20100193950A1 (en) * | 2009-01-30 | 2010-08-05 | E.I.Du Pont De Nemours And Company | Wafer level, chip scale semiconductor device packaging compositions, and methods relating thereto |
JP2017533120A (ja) | 2014-10-01 | 2017-11-09 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニーE.I.Du Pont De Nemours And Company | 飲料缶印刷ユニットのパーツである非熱可塑性ポリイミドを含むスピンドルカバー |
WO2016176199A1 (fr) | 2015-04-28 | 2016-11-03 | E I Du Pont De Nemours And Company | Roulement à aiguilles |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2270282A1 (fr) * | 1974-05-10 | 1975-12-05 | Du Pont |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1769930A1 (de) * | 1967-09-05 | 1971-09-16 | Sun Oil Co | Lineare Polyester,die Naphthalin-2,6-dicarboxylat und Terephthalat enthalten |
US3637595A (en) * | 1969-05-28 | 1972-01-25 | Steve G Cottis | P-oxybenzoyl copolyesters |
US3804805A (en) * | 1972-12-01 | 1974-04-16 | Eastman Kodak Co | Copolyester prepared from polyethylene terephthalate and an acyloxy benzoic acid |
US3778410A (en) * | 1972-09-28 | 1973-12-11 | Eastman Kodak Co | Process for preparing a final copolyester by reacting a starting polyester with an acyloxy aromatic carboxylic acid |
US3884876A (en) * | 1973-08-31 | 1975-05-20 | Carborundum Co | Partially crosslinked linear aromatic polyesters |
US4035356A (en) * | 1976-05-07 | 1977-07-12 | Eastman Kodak Company | Copolyester prepared from an acyloxybenzoic acid and polyethylene terephthalate modified with p-hydroxyethoxybenzoic acid |
-
1977
- 1977-08-08 US US05/822,989 patent/US4169933A/en not_active Expired - Lifetime
-
1978
- 1978-08-04 IT IT26526/78A patent/IT1097939B/it active
- 1978-08-07 DE DE19782834537 patent/DE2834537A1/de active Granted
- 1978-08-08 FR FR7823309A patent/FR2400043A1/fr active Granted
- 1978-08-08 JP JP9657578A patent/JPS5430290A/ja active Granted
- 1978-08-08 GB GB7832552A patent/GB2002404B/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2270282A1 (fr) * | 1974-05-10 | 1975-12-05 | Du Pont |
Also Published As
Publication number | Publication date |
---|---|
IT7826526A0 (it) | 1978-08-04 |
GB2002404B (en) | 1982-02-17 |
GB2002404A (en) | 1979-02-21 |
DE2834537C2 (fr) | 1989-09-07 |
JPS6319530B2 (fr) | 1988-04-22 |
US4169933A (en) | 1979-10-02 |
DE2834537A1 (de) | 1979-02-22 |
FR2400043B1 (fr) | 1982-06-04 |
IT1097939B (it) | 1985-08-31 |
JPS5430290A (en) | 1979-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property |