DE3889013D1 - Hochreine Kristalle des Diphenyltetracarbonsäuredianhydrids und Verfahren zu ihrer Herstellung. - Google Patents

Hochreine Kristalle des Diphenyltetracarbonsäuredianhydrids und Verfahren zu ihrer Herstellung.

Info

Publication number
DE3889013D1
DE3889013D1 DE3889013T DE3889013T DE3889013D1 DE 3889013 D1 DE3889013 D1 DE 3889013D1 DE 3889013 T DE3889013 T DE 3889013T DE 3889013 T DE3889013 T DE 3889013T DE 3889013 D1 DE3889013 D1 DE 3889013D1
Authority
DE
Germany
Prior art keywords
preparation
acid dianhydride
highly pure
pure crystals
diphenyltetracarboxylic acid
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 - Lifetime
Application number
DE3889013T
Other languages
English (en)
Other versions
DE3889013T2 (de
Inventor
Katsuo C O Ube Chemica Imatani
Shinichirou C O Ube C Yamamoto
Genji C O Ube Chemical Wo Koga
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.)
Ube Corp
Original Assignee
Ube Industries 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
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Publication of DE3889013D1 publication Critical patent/DE3889013D1/de
Application granted granted Critical
Publication of DE3889013T2 publication Critical patent/DE3889013T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • C08G73/1028—Preparatory processes from tetracarboxylic acids or derivatives and diamines characterised by the process itself, e.g. steps, continuous
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives
    • 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
DE3889013T 1987-06-25 1988-06-27 Hochreine Kristalle des Diphenyltetracarbonsäuredianhydrids und Verfahren zu ihrer Herstellung. Expired - Lifetime DE3889013T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15924687 1987-06-25

Publications (2)

Publication Number Publication Date
DE3889013D1 true DE3889013D1 (de) 1994-05-19
DE3889013T2 DE3889013T2 (de) 1994-08-25

Family

ID=15689545

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3889013T Expired - Lifetime DE3889013T2 (de) 1987-06-25 1988-06-27 Hochreine Kristalle des Diphenyltetracarbonsäuredianhydrids und Verfahren zu ihrer Herstellung.

Country Status (3)

Country Link
US (1) US4958002A (de)
EP (1) EP0296636B1 (de)
DE (1) DE3889013T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2735314B2 (ja) * 1989-10-06 1998-04-02 株式会社日立製作所 高純度の３，３’，４，４’―ビフェニルテトラカルボン酸又はその酸二無水物の製造方法
US5919892A (en) * 1994-10-31 1999-07-06 The Dow Chemical Company Polyamic acids and methods to convert polyamic acids into polyimidebenzoxazole films
WO1999041222A1 (en) * 1998-02-16 1999-08-19 Bromine Compounds Ltd. Process for the purification of polycarboxylic aromatic acids
JP2003335768A (ja) * 2002-03-13 2003-11-28 Mitsubishi Chemicals Corp 高純度ビフェニルテトラカルボン酸二無水物およびその製造方法
CN102558119A (zh) 2004-06-28 2012-07-11 三菱化学株式会社 联苯四甲酸二酐及其制造方法、以及使用该联苯四甲酸二酐的聚酰亚胺及其制造方法
US7425650B1 (en) 2004-07-23 2008-09-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Synthesis of asymmetric tetracarboxylic acids and corresponding dianhydrides
US7015304B1 (en) 2004-07-23 2006-03-21 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Solvent free low-melt viscosity imide oligomers and thermosetting polyimide composites
US7417108B2 (en) * 2005-04-28 2008-08-26 Ube Industries Ltd. Process for production of 2,3,3′,4′-biphenyltetracarboxylic dianhydride
US8993710B1 (en) 2006-03-18 2015-03-31 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Polyimides derived from novel asymmetric benzophenone dianhydrides
US8093348B1 (en) 2006-03-18 2012-01-10 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Polyimides derived from novel asymmetric dianhydrides
US9315632B1 (en) 2006-10-19 2016-04-19 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Process for preparing epoxy-reinforced silica aerogels
JP5181555B2 (ja) * 2007-07-12 2013-04-10 宇部興産株式会社 ２，３，３’，４’−ビフェニルテトラカルボン酸二無水物の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3098095A (en) * 1959-08-10 1963-07-16 Standared Oil Company Process for resolving aromatic polycarboxylic acids capable of forming intramolecular anhydrides
US3940426A (en) * 1972-04-03 1976-02-24 Ube Industries, Ltd. Process for producing biphenyltetracarboxylic dianhydrides
JPS5715098A (en) * 1980-06-29 1982-01-26 Ikegai Corp Device for driving paddle ship

Also Published As

Publication number Publication date
US4958002A (en) 1990-09-18
EP0296636A2 (de) 1988-12-28
EP0296636A3 (en) 1990-06-27
EP0296636B1 (de) 1994-04-13
DE3889013T2 (de) 1994-08-25

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