CA920737A - Ab-type polyamide-acids and polyimides of high molecular weight - Google Patents
Ab-type polyamide-acids and polyimides of high molecular weightInfo
- Publication number
- CA920737A CA920737A CA984341A CA984341A CA920737A CA 920737 A CA920737 A CA 920737A CA 984341 A CA984341 A CA 984341A CA 984341 A CA984341 A CA 984341A CA 920737 A CA920737 A CA 920737A
- Authority
- CA
- Canada
- Prior art keywords
- polyimides
- acids
- molecular weight
- high molecular
- type polyamide
- 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
Links
- 239000004642 Polyimide Substances 0.000 title 1
- 239000002253 acid Substances 0.000 title 1
- 229920001721 polyimide Polymers 0.000 title 1
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
-
- 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
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US53289866A | 1966-03-09 | 1966-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA920737A true CA920737A (en) | 1973-02-06 |
Family
ID=24123652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA984341A Expired CA920737A (en) | 1966-03-09 | 1967-03-03 | Ab-type polyamide-acids and polyimides of high molecular weight |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE695166A (cs) |
| CA (1) | CA920737A (cs) |
| FR (1) | FR1516483A (cs) |
| GB (1) | GB1109079A (cs) |
-
1967
- 1967-03-03 CA CA984341A patent/CA920737A/en not_active Expired
- 1967-03-07 GB GB1066367A patent/GB1109079A/en not_active Expired
- 1967-03-08 BE BE695166D patent/BE695166A/xx not_active IP Right Cessation
- 1967-03-09 FR FR98088A patent/FR1516483A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE695166A (cs) | 1967-09-08 |
| FR1516483A (fr) | 1968-03-08 |
| GB1109079A (en) | 1968-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR1534956A (fr) | Préparation d'anhydride carbonique et d'argon | |
| CA743137A (en) | Preparation of 6-aminochrysene and the use thereof | |
| CA920737A (en) | Ab-type polyamide-acids and polyimides of high molecular weight | |
| FR1506518A (fr) | Nouveaux polyimides et leur préparation | |
| CA729279A (en) | Alpha-alkylstyrene polymers and derivatives thereof | |
| CA733972A (en) | Aminoalkyl derivatives of benzothiazinones and benzothiazepinones | |
| CA726114A (en) | Coating of webs and the like | |
| AU274410B2 (en) | Ccbf position of high molecular weight and low molecular weight polydiene | |
| CA720531A (en) | Preparation of polyimides from dianhydrides and diamines | |
| CA748198A (en) | Combination of regenerator and supercharged vapor generator | |
| CA732681A (en) | Anti-static linear polycondensates and preparation of the same | |
| CA739154A (en) | Bearing devices and methods of making same | |
| CA778027A (en) | Cryogenic device and methods of producing them | |
| CA767649A (en) | 2-acyl benzimidazoles and methods of making same | |
| AU2768463A (en) | Ccbf position of high molecular weight and low molecular weight polydiene | |
| AU419942B2 (en) | Determination of nitrogen | |
| CA756506A (en) | Purification of argon and helium | |
| AU430556B2 (en) | The stabilisation of polyamides against heat and oxygen | |
| CA920739A (en) | Polymers of cf2=cfcf2cf2so2f and derivatives | |
| CA774128A (en) | Purification of pyromellitic dianhydride | |
| AU411797B2 (en) | Semiconductor devices and methods of making them | |
| CA747455A (en) | Acylating of high molecular weight polyoxymethylenes | |
| CA733520A (en) | Stable derivatives of dimethylcarboxy alkylsulfonium and applications thereof | |
| CA745153A (en) | 2-guanidino-3-nitropyridine and derivatives thereof | |
| CA727616A (en) | Harmidine and derivatives thereof |