IT1033923B - Dianidridi aril tetracarbossiliche con legame etereo - Google Patents
Dianidridi aril tetracarbossiliche con legame etereoInfo
- Publication number
- IT1033923B IT1033923B IT12704/75A IT1270475A IT1033923B IT 1033923 B IT1033923 B IT 1033923B IT 12704/75 A IT12704/75 A IT 12704/75A IT 1270475 A IT1270475 A IT 1270475A IT 1033923 B IT1033923 B IT 1033923B
- Authority
- IT
- Italy
- Prior art keywords
- ethere
- tetracarboxyl
- aril
- dianhydrides
- bond
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/01—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis
- C07C37/045—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by replacing functional groups bound to a six-membered aromatic ring by hydroxy groups, e.g. by hydrolysis by substitution of a group bound to the ring by nitrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/21—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups
- C07C65/24—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing ether groups, groups, groups, or groups polycyclic
-
- 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
- C08G73/1053—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the tetracarboxylic moiety
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US489008A US3899517A (en) | 1974-07-16 | 1974-07-16 | Perfluoro alkylene dioxy-bis-(4-phthalic anhydrides and oxy-bis-(perfluoroalkyleneoxy-phthalic anhydrides |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1033923B true IT1033923B (it) | 1979-08-10 |
Family
ID=23942021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT12704/75A IT1033923B (it) | 1974-07-16 | 1975-07-16 | Dianidridi aril tetracarbossiliche con legame etereo |
Country Status (8)
Country | Link |
---|---|
US (1) | US3899517A (it) |
JP (1) | JPS5134124A (it) |
CA (1) | CA1049025A (it) |
DE (1) | DE2531716A1 (it) |
FR (1) | FR2278694A1 (it) |
GB (1) | GB1503968A (it) |
IT (1) | IT1033923B (it) |
SE (1) | SE418859B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045408A (en) * | 1976-03-19 | 1977-08-30 | The United States Of America As Represented By The Secretary Of The Navy | Fluoro-anhydride curing agents and precursors thereof for fluorinated epoxy resins |
US4760126A (en) * | 1984-11-13 | 1988-07-26 | Hitachi, Ltd. | Fluorine-containing polyamide-acid derivative and polyimide |
EP0356869B1 (de) * | 1988-08-30 | 1992-11-19 | L. GIVAUDAN & CIE Société Anonyme | Verfahren zur Herstellung eines cyclischen, ungesättigten Ketons |
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 |
JP2501519B2 (ja) * | 1992-10-15 | 1996-05-29 | 川崎重工業株式会社 | ロ―ル切換型圧延機のロ―ルベンディング制御装置 |
US7312250B2 (en) * | 2002-03-12 | 2007-12-25 | University Of Iowa Research Foundation | Fluorine-substituted alkyl phenol compounds and their uses |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3310573A (en) * | 1963-06-17 | 1967-03-21 | Du Pont | Diaryl fluoro compounds |
-
1974
- 1974-07-16 US US489008A patent/US3899517A/en not_active Expired - Lifetime
-
1975
- 1975-07-10 SE SE7507910A patent/SE418859B/xx unknown
- 1975-07-10 CA CA75231241A patent/CA1049025A/en not_active Expired
- 1975-07-11 GB GB29193/75A patent/GB1503968A/en not_active Expired
- 1975-07-16 DE DE19752531716 patent/DE2531716A1/de not_active Withdrawn
- 1975-07-16 FR FR7522231A patent/FR2278694A1/fr not_active Withdrawn
- 1975-07-16 IT IT12704/75A patent/IT1033923B/it active
- 1975-07-16 JP JP50086268A patent/JPS5134124A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2278694A1 (fr) | 1976-02-13 |
US3899517A (en) | 1975-08-12 |
SE418859B (sv) | 1981-06-29 |
JPS5134124A (it) | 1976-03-23 |
DE2531716A1 (de) | 1976-02-05 |
CA1049025A (en) | 1979-02-20 |
GB1503968A (en) | 1978-03-15 |
SE7507910L (sv) | 1976-01-19 |
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