FR1485931A - Polyimides and their preparation process - Google Patents
Polyimides and their preparation processInfo
- Publication number
- FR1485931A FR1485931A FR67735A FR67735A FR1485931A FR 1485931 A FR1485931 A FR 1485931A FR 67735 A FR67735 A FR 67735A FR 67735 A FR67735 A FR 67735A FR 1485931 A FR1485931 A FR 1485931A
- Authority
- FR
- France
- Prior art keywords
- polyimides
- preparation process
- preparation
- 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
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
- C08G73/1035—Preparatory processes from tetracarboxylic acids or derivatives and diisocyanates
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/343—Polycarboxylic acids having at least three carboxylic acid groups
- C08G18/346—Polycarboxylic acids having at least three carboxylic acid groups having four carboxylic acid groups
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR67735A FR1485931A (en) | 1965-07-02 | 1966-06-30 | Polyimides and their preparation process |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH932165A CH466924A (en) | 1965-07-02 | 1965-07-02 | Polyimide manufacturing process |
CH1448565A CH472453A (en) | 1965-07-02 | 1965-10-20 | Polyimide manufacturing process |
FR67735A FR1485931A (en) | 1965-07-02 | 1966-06-30 | Polyimides and their preparation process |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1485931A true FR1485931A (en) | 1967-06-23 |
Family
ID=27176199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR67735A Expired FR1485931A (en) | 1965-07-02 | 1966-06-30 | Polyimides and their preparation process |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1485931A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2512826A1 (en) * | 1981-09-17 | 1983-03-18 | Hitachi Chemical Co Ltd | Heat resistant resin insulating compsn. - prepd. by reacting poly:isocyanate and poly:carboxylic acid in organic solvent and adding active hydrogen cpd. |
-
1966
- 1966-06-30 FR FR67735A patent/FR1485931A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2512826A1 (en) * | 1981-09-17 | 1983-03-18 | Hitachi Chemical Co Ltd | Heat resistant resin insulating compsn. - prepd. by reacting poly:isocyanate and poly:carboxylic acid in organic solvent and adding active hydrogen cpd. |
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