FR2377267A1 - Elements d'instruments d'optique en polycarbonate utilisables, par exemple, dans des objectifs d'appareils photographiques ou cinematographiques - Google Patents

Elements d'instruments d'optique en polycarbonate utilisables, par exemple, dans des objectifs d'appareils photographiques ou cinematographiques

Info

Publication number
FR2377267A1
FR2377267A1 FR7800977A FR7800977A FR2377267A1 FR 2377267 A1 FR2377267 A1 FR 2377267A1 FR 7800977 A FR7800977 A FR 7800977A FR 7800977 A FR7800977 A FR 7800977A FR 2377267 A1 FR2377267 A1 FR 2377267A1
Authority
FR
France
Prior art keywords
elements
photographic
lenses
polycarbonate
optical instruments
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
Application number
FR7800977A
Other languages
English (en)
French (fr)
Other versions
FR2377267B1 (en17
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
Publication of FR2377267A1 publication Critical patent/FR2377267A1/fr
Application granted granted Critical
Publication of FR2377267B1 publication Critical patent/FR2377267B1/fr
Granted 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • G02B1/041—Lenses

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Lenses (AREA)
FR7800977A 1977-01-13 1978-01-13 Elements d'instruments d'optique en polycarbonate utilisables, par exemple, dans des objectifs d'appareils photographiques ou cinematographiques Granted FR2377267A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2701173A DE2701173C2 (de) 1977-01-13 1977-01-13 Verwendung von Polycarbonaten zur Herstellung von Linsen für Photo- und Filmkameras

Publications (2)

Publication Number Publication Date
FR2377267A1 true FR2377267A1 (fr) 1978-08-11
FR2377267B1 FR2377267B1 (en17) 1983-07-01

Family

ID=5998590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7800977A Granted FR2377267A1 (fr) 1977-01-13 1978-01-13 Elements d'instruments d'optique en polycarbonate utilisables, par exemple, dans des objectifs d'appareils photographiques ou cinematographiques

Country Status (6)

Country Link
JP (1) JPS5389752A (en17)
DE (1) DE2701173C2 (en17)
FR (1) FR2377267A1 (en17)
GB (1) GB1592724A (en17)
IT (1) IT1104626B (en17)
NL (1) NL186143C (en17)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084578A1 (en) * 1982-01-23 1983-08-03 Mobay Chemical Corporation Copolycarbonates having high melt flow rates
EP0175905A2 (en) * 1984-08-24 1986-04-02 Mitsubishi Kasei Corporation Polycarbonate and its use as optical disc substrate
EP0177713A1 (en) * 1984-08-24 1986-04-16 Mitsubishi Kasei Corporation Polycarbonate and optical disc substrate
WO1994002533A1 (en) * 1992-07-16 1994-02-03 The Dow Chemical Company Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies
US5532331A (en) * 1993-06-24 1996-07-02 The Dow Chemical Company Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5778419A (en) * 1977-09-06 1982-05-17 Mobay Chemical Corp Copolycarbonate
JPS58179224A (ja) * 1982-03-18 1983-10-20 Konishiroku Photo Ind Co Ltd 光学用樹脂組成物および光学用素子
JPS59115333A (ja) * 1982-12-22 1984-07-03 Toshiba Corp ポリサルフアイドカ−ボネ−トの製造方法
GB2141556A (en) * 1983-06-14 1984-12-19 Pilkington Perkin Elmer Ltd Glass and plastics objective lens for low light level viewing apparatus
JPS617314A (ja) * 1984-06-20 1986-01-14 Kureha Chem Ind Co Ltd 高屈折率レンズ
JPH0792542B2 (ja) * 1986-02-07 1995-10-09 ミノルタ株式会社 絞り後置のトリプレツトレンズ系
US4831110A (en) * 1986-12-19 1989-05-16 Daicel Chemical Industries, Ltd. Co-polycarbonate copolymer from 2,2-bis(4-hydroxy-3-tertiary butyl phenyl)propane and optical disk
US5486949A (en) 1989-06-20 1996-01-23 The Dow Chemical Company Birefringent interference polarizer
EP0500129B1 (en) * 1991-02-22 1996-07-31 Mitsubishi Gas Chemical Company, Inc. Polycarbonate resin solution for film formation by casting
DE69225819T2 (de) * 1991-02-22 1998-11-12 Mitsubishi Gas Chemical Co Polycarbonatharzlösung zur Herstellung von gegossenen Folien
US6500885B1 (en) 1997-02-28 2002-12-31 Candescent Technologies Corporation Polycarbonate-containing liquid chemical formulation and methods for making and using polycarbonate film
US6180698B1 (en) 1997-02-28 2001-01-30 Candescent Technologies Corporation Polycarbonate-containing liquid chemical formulation and method for making polycarbonate film
AU2001262242A1 (en) 2000-05-12 2001-11-20 Bayer Aktiengesellschaft Antistatic agent
JP2002114842A (ja) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc ポリカーボネート樹脂、及びそれを含んで構成される光学部品
JP2002114841A (ja) * 2000-10-06 2002-04-16 Mitsui Chemicals Inc 光学部品
DE102004022673A1 (de) * 2004-05-07 2005-11-24 Bayer Materialscience Ag Copolycarbonate mit verbesserter Fließfähigkeit
DE102007015948A1 (de) 2007-04-03 2008-10-09 Bayer Materialscience Ag Modifizierte Polycarbonate, Polyestercarbonate und Polyester mit verbessertem Dehnverhalten und Flammwidrigkeit
DE102007040925A1 (de) 2007-08-30 2009-03-05 Bayer Materialscience Ag Thermoplastische Zusammensetzungen mit geringer Trübung
EP2090605B1 (de) 2008-02-13 2011-07-13 Bayer MaterialScience AG Verfahren zur Herstellung von Polycarbonaten
DE102008008841A1 (de) 2008-02-13 2009-08-20 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonaten
DE102008008842A1 (de) 2008-02-13 2009-08-27 Bayer Materialscience Ag Alkylphenol zur Einstellung des Molekulargewichtes und Polycarbonatzusammensetzungen mit verbesserten Eigenschaften
DE102008011903A1 (de) 2008-02-29 2009-09-03 Bayer Materialscience Ag Polycarbonate mit cyclischen Oligomeren und verbessertem Fließverhalten
DE102008012613A1 (de) 2008-03-05 2009-09-10 Bayer Materialscience Ag Verfahren zur Herstellung von Polycarbonat nach dem Phasengrenzflächenverfahren
DE102008019503A1 (de) 2008-04-18 2009-10-22 Bayer Materialscience Ag Polycarbonate mit Umlagerungsstrukturen, cyclischen und linearen Oligomeren sowie verbessertem Fließverhalten
DE102008023800A1 (de) 2008-05-15 2009-11-19 Bayer Materialscience Ag Alkylphenol zur Einstellung des Molekulargewichtes und Copolycarbonat mit verbesserten Eigenschaften
DE102008036406A1 (de) 2008-08-05 2010-02-11 Bayer Materialscience Ag Modifizierte Polycarbonate mit verbesserten Oberflächeneigenschaften
DE102008059658A1 (de) 2008-11-28 2010-06-02 Bayer Materialscience Ag Copolycarbonate mit verbesserter Oberflächenhärte
US7848025B2 (en) * 2008-12-31 2010-12-07 Sabic Innovative Plastics Ip B.V. Transparent articles prepared from thermoplastic compositions having high flow and ductility, and method of preparing articles
US8064140B2 (en) 2008-12-31 2011-11-22 Sabic Innovative Plastics Ip B.V. Transparent articles prepared from thermoplastic compositions having low birefringence
DE102009013643A1 (de) 2009-03-18 2010-09-30 Bayer Materialscience Ag Copolycarbonate mit verbesserten Eigenschaften
DE102009015040A1 (de) 2009-03-26 2010-09-30 Bayer Materialscience Ag (Co)polycarbonate mit verbesserten optischen Eigenschaften
DE102009058099A1 (de) 2009-12-12 2011-06-16 Bayer Materialscience Ag Polycarbonatblends mit hoher Wärmeformbeständigkeit und verbesserten Oberflächeneigenschaften
EP2336245A1 (de) 2009-12-12 2011-06-22 Bayer MaterialScience AG Polycarbonatzusammensetzungen mit verbesserter Oberflächenhärte
DE102009058462A1 (de) 2009-12-16 2011-06-22 Bayer MaterialScience AG, 51373 Polycarbonat mit erhöhter Transmission und bakterizider Wirksamkeit
CN105916908B (zh) 2014-01-24 2018-09-07 科思创德国股份有限公司 根据相界面法制备聚碳酸酯的方法
JP6860806B2 (ja) * 2016-05-27 2021-04-21 三菱瓦斯化学株式会社 光学用ポリカーボネート樹脂
JP2019526664A (ja) 2016-08-19 2019-09-19 コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ ポリオキサゾリジノン化合物の合成法
EP3357949A1 (en) 2017-02-02 2018-08-08 Covestro Deutschland AG Method for the production of polyoxazolidinone polymer compounds
EP3985047A1 (de) 2020-10-13 2022-04-20 Covestro Deutschland AG Verfahren zur herstellung eines polycarbonats nach dem phasengrenzflächenverfahren unter lösungsmittelaustausch

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250744A (en) * 1956-10-19 1966-05-10 Bayer Ag High molecular weight thermoplastic polycarbonates and process for the production thereof
FR2352017A1 (fr) * 1976-05-18 1977-12-16 Mobay Chemical Corp Polycarbonate resistant a la combustion ayant une epaisseur critique amelioree et son procede de preparation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL282022A (en17) * 1955-04-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250744A (en) * 1956-10-19 1966-05-10 Bayer Ag High molecular weight thermoplastic polycarbonates and process for the production thereof
FR2352017A1 (fr) * 1976-05-18 1977-12-16 Mobay Chemical Corp Polycarbonate resistant a la combustion ayant une epaisseur critique amelioree et son procede de preparation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084578A1 (en) * 1982-01-23 1983-08-03 Mobay Chemical Corporation Copolycarbonates having high melt flow rates
EP0175905A2 (en) * 1984-08-24 1986-04-02 Mitsubishi Kasei Corporation Polycarbonate and its use as optical disc substrate
EP0175905A3 (en) * 1984-08-24 1986-04-09 Mitsubishi Chemical Industries Limited Optical disc substrate made of a polycarbonate
EP0177713A1 (en) * 1984-08-24 1986-04-16 Mitsubishi Kasei Corporation Polycarbonate and optical disc substrate
US4680374A (en) * 1984-08-24 1987-07-14 Mitsubishi Chemical Industries Ltd. Optical disc substrate made of a copolycarbonate
US4734488A (en) * 1984-08-24 1988-03-29 Mitsubishi Chemical Industries Ltd. Polycarbonate and optical disc substrate
WO1994002533A1 (en) * 1992-07-16 1994-02-03 The Dow Chemical Company Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies
US5532331A (en) * 1993-06-24 1996-07-02 The Dow Chemical Company Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies

Also Published As

Publication number Publication date
DE2701173A1 (de) 1978-07-20
JPS5389752A (en) 1978-08-07
FR2377267B1 (en17) 1983-07-01
NL186143B (nl) 1990-05-01
IT1104626B (it) 1985-10-21
GB1592724A (en) 1981-07-08
IT7847588A0 (it) 1978-01-11
DE2701173C2 (de) 1983-02-10
NL7800292A (nl) 1978-07-17
NL186143C (nl) 1990-10-01

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