SU1741398A1 - METHOD OF OBTAINING SOLUBLE POLYIMIDES - Google Patents

METHOD OF OBTAINING SOLUBLE POLYIMIDES

Info

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
Application number
SU4676672/05A
Other languages
Russian (ru)
Inventor
Б.А. Жубанов
В.А. Соломин
Е.Н. Лях
Original Assignee
Институт химических наук АН КазССР
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Институт химических наук АН КазССР filed Critical Институт химических наук АН КазССР
Priority to SU4676672/05A priority Critical patent/SU1741398A1/en
Application granted granted Critical
Publication of SU1741398A1 publication Critical patent/SU1741398A1/en

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

SU4676672/05A 1989-04-11 1989-04-11 METHOD OF OBTAINING SOLUBLE POLYIMIDES SU1741398A1 (en)

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)

Similar Documents

Publication Publication Date Title
KR860008221A (en) Method for preparing aromatic polyamic acid derivative capable of photopolymerization
JPS5535013A (en) New pt-complex
JPS612707B2 (en)
DK443488D0 (en) HAVE UNKNOWN SURFACE TREATMENT
KR830007503A (en) Method for preparing new triamine derivative and resin composition containing the derivative
KR830007654A (en) 5-Aroylation Method of 1,2-dihydro-3H-pyrrolo [1,2-a] pytone-1-carboxylate
KR840004447A (en) Method of producing polyamide
SU1741398A1 (en) METHOD OF OBTAINING SOLUBLE POLYIMIDES
KR840004928A (en) Method for producing a diaryl pigment
ES493223A0 (en) PROCEDURE FOR THE HYDROXYLATION OF 3-CHLORO-2-METHYL-PROPENO, 1, MONOOLEFINS OR DIOLEFINS
JPS5620026A (en) Production of 2,2,4-trimethyl-1,2-dihydroquinoline polymer
JPS52108496A (en) Preparation of polyimide resins
JPS5430156A (en) Synthesis of benzamide derivative
KR870009991A (en) Method for preparing N- (sulfonylmethyl) formamide
ES455870A1 (en) Diarylacetamidopropanes processes for producing them and compositions containing them
JPS55154326A (en) Manufacture of iron-pentacarbonyl
SU1266169A1 (en) METHOD OF OBTAINING SOLUBLE POLYIMIDES
RU95105585A (en) Process for preparing 3,3-diarylacrylic acid
JPS5758651A (en) Preparation of diamino acid derivative
JPS5314755A (en) Aromatic polyamide composition
JPS5517357A (en) Preparation of aqueous blocked isocyanate
JPS56161362A (en) Anthranilic acid derivative
JPS579749A (en) Acyl derivative and its preparation
KR880007437A (en) Process for preparing carboxylic acid amide
KR840000571A (en) Process for preparing organic germanium compound