NL155864B - PREPARATION OF AROMATIC COPOLYIMIDES. - Google Patents
PREPARATION OF AROMATIC COPOLYIMIDES.Info
- Publication number
- NL155864B NL155864B NL7009068A NL7009068A NL155864B NL 155864 B NL155864 B NL 155864B NL 7009068 A NL7009068 A NL 7009068A NL 7009068 A NL7009068 A NL 7009068A NL 155864 B NL155864 B NL 155864B
- Authority
- NL
- Netherlands
- Prior art keywords
- preparation
- copolyimides
- aromatic
- aromatic copolyimides
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
-
- 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
- C08G73/1067—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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use 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 C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US83522669A | 1969-06-20 | 1969-06-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
NL7009068A NL7009068A (en) | 1970-12-22 |
NL155864B true NL155864B (en) | 1978-02-15 |
Family
ID=25268974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7009068A NL155864B (en) | 1969-06-20 | 1970-06-19 | PREPARATION OF AROMATIC COPOLYIMIDES. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS4918638B1 (en) |
BE (1) | BE752293A (en) |
CA (1) | CA982740A (en) |
DE (1) | DE2030415A1 (en) |
FR (1) | FR2068877A5 (en) |
GB (1) | GB1317322A (en) |
NL (1) | NL155864B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5098843U (en) * | 1974-01-10 | 1975-08-16 | ||
US3966652A (en) | 1974-11-11 | 1976-06-29 | International Harvester Company | Method of making foamed copolyimides and product obtained therefrom |
US4900761A (en) * | 1988-12-30 | 1990-02-13 | Imi-Tech Corporation | Production of polyimide foams |
-
1970
- 1970-06-16 CA CA086,034A patent/CA982740A/en not_active Expired
- 1970-06-19 DE DE19702030415 patent/DE2030415A1/en active Pending
- 1970-06-19 GB GB2979970A patent/GB1317322A/en not_active Expired
- 1970-06-19 NL NL7009068A patent/NL155864B/en not_active IP Right Cessation
- 1970-06-19 BE BE752293D patent/BE752293A/en unknown
- 1970-06-19 FR FR7022849A patent/FR2068877A5/fr not_active Expired
- 1970-06-20 JP JP5399770A patent/JPS4918638B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1317322A (en) | 1973-05-16 |
CA982740A (en) | 1976-01-27 |
NL7009068A (en) | 1970-12-22 |
JPS4918638B1 (en) | 1974-05-11 |
DE2030415A1 (en) | 1970-12-23 |
FR2068877A5 (en) | 1971-09-03 |
BE752293A (en) | 1970-12-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: INT HARVESTER |