FR2578545B1 - Article en polyimide incolore transparent et procede de preparation - Google Patents

Article en polyimide incolore transparent et procede de preparation

Info

Publication number
FR2578545B1
FR2578545B1 FR8603376A FR8603376A FR2578545B1 FR 2578545 B1 FR2578545 B1 FR 2578545B1 FR 8603376 A FR8603376 A FR 8603376A FR 8603376 A FR8603376 A FR 8603376A FR 2578545 B1 FR2578545 B1 FR 2578545B1
Authority
FR
France
Prior art keywords
preparation
transparent colorless
colorless polyimide
polyimide article
article
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
FR8603376A
Other languages
English (en)
Other versions
FR2578545A1 (fr
Inventor
Kazumi Higashi
Yuzuru Noda
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.)
Nitto Denko Corp
Original Assignee
Nitto Electric Industrial Co Ltd
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
Priority claimed from JP15299085A external-priority patent/JPS6213436A/ja
Priority claimed from JP61008386A external-priority patent/JPS627733A/ja
Application filed by Nitto Electric Industrial Co Ltd filed Critical Nitto Electric Industrial Co Ltd
Publication of FR2578545A1 publication Critical patent/FR2578545A1/fr
Application granted granted Critical
Publication of FR2578545B1 publication Critical patent/FR2578545B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
    • G02F1/133711—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by organic films, e.g. polymeric films
    • G02F1/133723—Polyimide, polyamide-imide
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003—Preparatory processes
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003—Preparatory processes
    • C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1039—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1042—Copolyimides derived from at least two different tetracarboxylic compounds or two different diamino compounds
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
    • C08G73/105—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the diamino moiety
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1057—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain
    • C08G73/1064—Polyimides containing other atoms than carbon, hydrogen, nitrogen or oxygen in the main chain containing sulfur
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • 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
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
    • C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/027—Polyimide
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
    • C09K2323/02—Alignment layer characterised by chemical composition
    • C09K2323/027—Polyimide
    • C09K2323/0271—Polyimidfluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
FR8603376A 1985-03-10 1986-03-10 Article en polyimide incolore transparent et procede de preparation Expired FR2578545B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4694385 1985-03-10
JP15299085A JPS6213436A (ja) 1985-07-11 1985-07-11 無色透明なポリイミド成形体
JP61008386A JPS627733A (ja) 1985-03-10 1986-01-18 無色透明なポリイミド成形体およびその製法

Publications (2)

Publication Number Publication Date
FR2578545A1 FR2578545A1 (fr) 1986-09-12
FR2578545B1 true FR2578545B1 (fr) 1987-12-18

Family

ID=27277999

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8603376A Expired FR2578545B1 (fr) 1985-03-10 1986-03-10 Article en polyimide incolore transparent et procede de preparation

Country Status (4)

Country Link
US (1) US4876330A (fr)
DE (1) DE3607584A1 (fr)
FR (1) FR2578545B1 (fr)
GB (1) GB2174399B (fr)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5516876A (en) 1983-09-27 1996-05-14 The Boeing Company Polyimide oligomers and blends
US5693741A (en) 1988-03-15 1997-12-02 The Boeing Company Liquid molding compounds
US5969079A (en) 1985-09-05 1999-10-19 The Boeing Company Oligomers with multiple chemically functional end caps
US5512676A (en) 1987-09-03 1996-04-30 The Boeing Company Extended amideimide hub for multidimensional oligomers
US5714566A (en) 1981-11-13 1998-02-03 The Boeing Company Method for making multiple chemically functional oligomers
US5705598A (en) 1985-04-23 1998-01-06 The Boeing Company Polyester sulfone oligomers and blends
US5210213A (en) 1983-06-17 1993-05-11 The Boeing Company Dimensional, crosslinkable oligomers
JPS627733A (ja) * 1985-03-10 1987-01-14 Nitto Electric Ind Co Ltd 無色透明なポリイミド成形体およびその製法
US5618907A (en) 1985-04-23 1997-04-08 The Boeing Company Thallium catalyzed multidimensional ester oligomers
DE3783477T2 (de) * 1986-02-25 1993-06-17 Mitsui Toatsu Chemicals Hochtemperatur-polyimidklebstoff.
JP2622678B2 (ja) * 1987-01-12 1997-06-18 チッソ株式会社 溶融成形可能な結晶性ポリイミド重合体
US5192596A (en) * 1989-06-02 1993-03-09 Canon Kabushiki Kaisha Liquid crystal device
US5268780A (en) * 1989-05-11 1993-12-07 Canon Kabushiki Kaisha Liquid crystal device having a polyimide alignment film substituted with fluorine or a fluorine-containing group
US5422749A (en) * 1987-09-17 1995-06-06 Canon Kabushiki Kaisha Ferroelectric smetic liquid crystal device
US5200848A (en) * 1987-09-17 1993-04-06 Canon Kabushiki Kaisha Ferroelectric smectic liquid crystal device
US4880442A (en) * 1987-12-22 1989-11-14 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes
JP2574162B2 (ja) * 1988-01-06 1997-01-22 チッソ株式会社 低融点ポリイミド共重合体
GB8800649D0 (en) * 1988-01-13 1988-02-10 Ici Plc Reinforced composite materials
US4996278A (en) * 1988-02-09 1991-02-26 Occidental Chemical Corporation Novel polyimidesiloxanes and methods for their preparation and use based on diamines with pendant fluorine groups
JPH0749482B2 (ja) * 1988-02-26 1995-05-31 チッソ株式会社 低吸湿性かつ高接着性のシリコン含有ポリイミド及びその前駆体の製造方法
US5817744A (en) 1988-03-14 1998-10-06 The Boeing Company Phenylethynyl capped imides
US4851505A (en) * 1988-04-13 1989-07-25 E. I. Du Pont De Nemours And Company Highly soluble aromatic polyimides
JP2609279B2 (ja) * 1988-04-19 1997-05-14 宇部興産株式会社 ポリイミド粉末成形体
JPH0794555B2 (ja) * 1988-10-20 1995-10-11 三井東圧化学株式会社 ポリイミドシートの製造方法
ES2076252T3 (es) * 1989-05-11 1995-11-01 Canon Kk Dispositivo de cristal liquido esmectico quiral.
US5037587A (en) * 1989-07-17 1991-08-06 Mitsui Toatsu Chemicals, Inc. Preparation process of polyimide film
US4963649A (en) * 1989-07-20 1990-10-16 Ethyl Corporation Copolyimide aromatic sulfone-fluoroaliphatic resin composition
US5218083A (en) * 1989-10-31 1993-06-08 The United States Of America As Represented By The United States National Aeronautics And Space Administration Polyimides prepared from 3,5-diaminobenzotrifluoride
US4997908A (en) * 1989-11-13 1991-03-05 Occidental Chemical Corporation Solvent resistant polymidesiloxane
JPH04212127A (ja) * 1990-04-03 1992-08-03 Canon Inc 液晶素子および表示装置
US5268447A (en) * 1990-06-01 1993-12-07 Mitsui Toatsu Chemicals, Inc. Readily processable polyimide and preparation process of same
US5268446A (en) * 1990-08-24 1993-12-07 Mitsui Toatsu Chemicals, Incorporated Readily processable polyimide and preparation process of same
JP2553773B2 (ja) * 1991-01-09 1996-11-13 松下電器産業株式会社 空間光変調素子および神経ネットワーク回路
US5177179A (en) * 1991-04-04 1993-01-05 E. I. Du Pont De Nemours And Company Perfluoroalkylated diaminomesitylene and polyimides therefrom
JP2814157B2 (ja) * 1991-11-08 1998-10-22 キヤノン株式会社 カイラルスメクチック液晶素子
US5321096A (en) * 1992-04-02 1994-06-14 Mitsui Toatsu Chemical, Incorporated Polyimide composition
JP2592575B2 (ja) * 1992-10-07 1997-03-19 株式会社メニコン 眼内レンズの製造方法
GB2283242B (en) * 1993-10-28 1998-01-14 Kobe Steel Europ Ltd Polyimides
US5612450A (en) * 1994-05-17 1997-03-18 Japan Synthetic Rubber Co., Ltd. Liquid crystal aligning agent and liquid crystal display device
US5693379A (en) * 1994-10-20 1997-12-02 Chisso Corporation Polyimide
US6139927A (en) * 1997-09-18 2000-10-31 Canon Kabushiki Kaisha Liquid crystal device
US6232428B1 (en) * 1999-01-19 2001-05-15 I.S.T. Corporation Essentially colorless, transparent polyimide coatings and films
US6389215B1 (en) * 1999-10-28 2002-05-14 The United States Of America As Represented By The Secretary Of The Navy Low birefringent polyimides for optical waveguides statement regarding federally sponsored research or development
US6469126B1 (en) 2000-12-21 2002-10-22 E. I. Du Pont De Nmeours And Company Melt-processible, thermoplastic random copolyimides having recoverable crystallinity and associated processes
US6444783B1 (en) 2000-12-21 2002-09-03 E. I. Du Pont De Nemours And Company Melt-processible semicrystalline block copolyimides
US6476182B1 (en) 2000-12-21 2002-11-05 E. I. Du Pont De Nemours And Company Melt-processible, thermoplastic random copolyimides having recoverable crystallinity and associated processes
US6476177B2 (en) 2000-12-21 2002-11-05 E. I. Du Pont De Nemours And Company Melt-processible, thermoplastic random copolyimides having recoverable crystallinity and associated processes
DE60330709D1 (de) * 2002-12-27 2010-02-04 Ist Corp Flüssige polyimidvorläuferzusammensetzung und polyimidbeschichtung
TWI435902B (zh) * 2007-08-20 2014-05-01 Kolon Inc 聚亞醯胺膜
KR101225842B1 (ko) * 2007-08-27 2013-01-23 코오롱인더스트리 주식회사 무색투명한 폴리이미드 필름
EP2190778A4 (fr) 2007-09-28 2014-08-13 Univ Brigham Young Ensemble de nanotubes de carbone
US8498381B2 (en) 2010-10-07 2013-07-30 Moxtek, Inc. Polymer layer on X-ray window
US9305735B2 (en) 2007-09-28 2016-04-05 Brigham Young University Reinforced polymer x-ray window
US8247971B1 (en) 2009-03-19 2012-08-21 Moxtek, Inc. Resistively heated small planar filament
US7983394B2 (en) 2009-12-17 2011-07-19 Moxtek, Inc. Multiple wavelength X-ray source
US8526574B2 (en) 2010-09-24 2013-09-03 Moxtek, Inc. Capacitor AC power coupling across high DC voltage differential
US8804910B1 (en) 2011-01-24 2014-08-12 Moxtek, Inc. Reduced power consumption X-ray source
US8750458B1 (en) 2011-02-17 2014-06-10 Moxtek, Inc. Cold electron number amplifier
US8929515B2 (en) 2011-02-23 2015-01-06 Moxtek, Inc. Multiple-size support for X-ray window
US8989354B2 (en) 2011-05-16 2015-03-24 Brigham Young University Carbon composite support structure
US9076628B2 (en) 2011-05-16 2015-07-07 Brigham Young University Variable radius taper x-ray window support structure
US9174412B2 (en) 2011-05-16 2015-11-03 Brigham Young University High strength carbon fiber composite wafers for microfabrication
US8761344B2 (en) 2011-12-29 2014-06-24 Moxtek, Inc. Small x-ray tube with electron beam control optics
CN103102489B (zh) * 2013-02-27 2015-05-27 南京岳子化工有限公司 一种热塑性聚酰亚胺树脂及其制备方法
US9173623B2 (en) 2013-04-19 2015-11-03 Samuel Soonho Lee X-ray tube and receiver inside mouth
WO2016104514A1 (fr) * 2014-12-22 2016-06-30 日産化学工業株式会社 Agent d'alignement de cristaux liquides, film d'alignement de cristaux liquides et élément d'affichage à cristaux liquides
CN107286344A (zh) * 2017-07-17 2017-10-24 安徽国风塑业股份有限公司 一种无色透明聚酰亚胺薄膜的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH621768A5 (fr) * 1976-06-15 1981-02-27 Ciba Geigy Ag
US4207407A (en) * 1978-05-03 1980-06-10 The United States Of America As Represented By The Secretary Of The Air Force Aromatic heterocyclic polymer alloys and products produced therefrom
JPS56118421A (en) * 1980-02-25 1981-09-17 Nitto Electric Ind Co Ltd Heat-shrinkable polyimide film and production thereof
JPS5715819A (en) * 1980-07-01 1982-01-27 Ube Ind Ltd Gas separating material
JPS57209607A (en) * 1981-06-22 1982-12-23 Ube Ind Ltd Preparation of polyimide separation film
US4405770A (en) * 1981-08-12 1983-09-20 National Starch And Chemical Corporation Novel polyimides, and polyamic acid and ester intermediates thereof
JPS58185624A (ja) * 1982-04-24 1983-10-29 Mitsubishi Chem Ind Ltd コポリイミド
US4576857A (en) * 1983-03-14 1986-03-18 E. I. Du Pont De Nemours And Company Melt-fusible polyimides

Also Published As

Publication number Publication date
GB8604877D0 (en) 1986-04-03
US4876330A (en) 1989-10-24
GB2174399A (en) 1986-11-05
FR2578545A1 (fr) 1986-09-12
GB2174399B (en) 1988-05-18
DE3607584A1 (de) 1986-09-11

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