SU422749A1 - METHOD OF OBTAINING CYCLOALIPHATIC EPOXY RESINS - Google Patents
METHOD OF OBTAINING CYCLOALIPHATIC EPOXY RESINSInfo
- Publication number
- SU422749A1 SU422749A1 SU1740558A SU1740558A SU422749A1 SU 422749 A1 SU422749 A1 SU 422749A1 SU 1740558 A SU1740558 A SU 1740558A SU 1740558 A SU1740558 A SU 1740558A SU 422749 A1 SU422749 A1 SU 422749A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- epoxy resins
- obtaining
- cycloaliphatic epoxy
- cycloaliphatic
- ooc
- Prior art date
Links
Landscapes
- Epoxy Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
1one
Изобретение относитс к способу получени циклоалифатических эпоксидных смол, используемых в заливочных композици х и дл покрытий, особенно в электро- и радиотехнической промышленности.The invention relates to a process for the preparation of cycloaliphatic epoxy resins used in casting compositions and for coatings, especially in the electrical and radio engineering industry.
Известен способ получени эпоксидных соединений эпоксидированием сложного эфира ненасыщенной циклоалифатической кислоты, например тетрагидробепзойной кислоты, и алифатического спирта формулA known method for producing epoxy compounds by epoxidizing an ester of an unsaturated cycloaliphatic acid, for example tetrahydrobenzoic acid, and an aliphatic alcohol of the formulas
R J COO-R,-OOCR J COO-R, -OOC
СН,CH,
ЧЛHl
COO-R,-OOC где R-Н или алкил; RI - алифатический радикал. Введение алифатических цепей между циклами улучшает физико-механические свойства циклоалифатических эпоксидных смол, но одновременно снижает теплостойкость отвержденных композиций. Целью изобретени вл етс повышение теплостойких отвержденных дгатериалов и их диэлектрических характеристик. Предлагаетс способ получени циклоалпфатических эпоксидных смол формул COO-R, -OOC where R is H or alkyl; RI is an aliphatic radical. The introduction of aliphatic chains between cycles improves the physicomechanical properties of cycloaliphatic epoxy resins, but at the same time reduces the heat resistance of the cured compositions. The aim of the invention is to improve the heat-resistant cured materials and their dielectric characteristics. A method is proposed for the preparation of cycloalphatic epoxy resins of the formulas
1г1I |CHdx1r1I | CHdx
СОО- / -аосЕ SOO- / -aosE
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1740558A SU422749A1 (en) | 1972-01-24 | 1972-01-24 | METHOD OF OBTAINING CYCLOALIPHATIC EPOXY RESINS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1740558A SU422749A1 (en) | 1972-01-24 | 1972-01-24 | METHOD OF OBTAINING CYCLOALIPHATIC EPOXY RESINS |
Publications (1)
Publication Number | Publication Date |
---|---|
SU422749A1 true SU422749A1 (en) | 1974-04-05 |
Family
ID=20500938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1740558A SU422749A1 (en) | 1972-01-24 | 1972-01-24 | METHOD OF OBTAINING CYCLOALIPHATIC EPOXY RESINS |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU422749A1 (en) |
-
1972
- 1972-01-24 SU SU1740558A patent/SU422749A1/en active
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