SU1741398A1 - METHOD OF OBTAINING SOLUBLE POLYIMIDES - Google Patents
METHOD OF OBTAINING SOLUBLE POLYIMIDESInfo
- Publication number
- SU1741398A1 SU1741398A1 SU4676672/05A SU4676672A SU1741398A1 SU 1741398 A1 SU1741398 A1 SU 1741398A1 SU 4676672/05 A SU4676672/05 A SU 4676672/05A SU 4676672 A SU4676672 A SU 4676672A SU 1741398 A1 SU1741398 A1 SU 1741398A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- soluble polyimides
- obtaining soluble
- organic solvent
- water
- reaction medium
- Prior art date
Links
Landscapes
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
Способ получения растворимых полиимидов взаимодействием диангидрида трициклодецентетракарбоновой кислоты с диамином при 70C в реакционной среде, содержащей органический растворитель, выбранный из группы тетрагидрофуран, диоксан, ацетон или метилэтилкетон, и воду, отличающийся тем, что, с целью повышения технологичности процесса, реакционная среда дополнительно содержит фенол при следующем соотношении компонентов реакционной смеси, мас. %:Органический растворитель - 63 - 85Вода - 10 - 25Фенол - 5 - 12A method of obtaining soluble polyimides by reacting tricyclodegradtetracarboxylic acid dianhydride with diamine at 70 ° C in a reaction medium containing an organic solvent selected from the group of tetrahydrofuran, dioxane, acetone or methyl ethyl ketone, and water, characterized in that, in order to improve the processability of the process, the reaction medium additionally contains phenol in the following ratio of components of the reaction mixture, wt. %: Organic solvent - 63 - 85 Water - 10 - 25 Phenol - 5 - 12
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4676672/05A SU1741398A1 (en) | 1989-04-11 | 1989-04-11 | METHOD OF OBTAINING SOLUBLE POLYIMIDES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4676672/05A SU1741398A1 (en) | 1989-04-11 | 1989-04-11 | METHOD OF OBTAINING SOLUBLE POLYIMIDES |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1741398A1 true SU1741398A1 (en) | 2000-03-10 |
Family
ID=60532612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4676672/05A SU1741398A1 (en) | 1989-04-11 | 1989-04-11 | METHOD OF OBTAINING SOLUBLE POLYIMIDES |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1741398A1 (en) |
-
1989
- 1989-04-11 SU SU4676672/05A patent/SU1741398A1/en active
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