JPS57125244A - Epoxy resin composition - Google Patents
Epoxy resin compositionInfo
- Publication number
- JPS57125244A JPS57125244A JP1018281A JP1018281A JPS57125244A JP S57125244 A JPS57125244 A JP S57125244A JP 1018281 A JP1018281 A JP 1018281A JP 1018281 A JP1018281 A JP 1018281A JP S57125244 A JPS57125244 A JP S57125244A
- Authority
- JP
- Japan
- Prior art keywords
- epoxy resin
- group
- epoxy
- equiv
- pref
- 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.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
PURPOSE: To prepare the titled composition having improved crack resistance, without lowering the heat distortion temperature, by compounding an epoxy resin with a specific polyether ester and an epoxy resin hardener.
CONSTITUTION: An epoxy resin having two or more epoxy groups in a molecule is mixed with 1W20wt% polyether ester of formulaI[R1 is CH2CH2 or group of formula II or III; R2 is (CH2)l(l is 3W5); R3 is group of formula IV, V or VI; n/(K+m+n) is 0.05W0.3](pref. having a weight average molecular weight of 10,000W100,000), stirred for 1W2.5hr under heating at 100W150°C, and cooled to room temperature. An epoxy resin hardener (e.g. acid anhydride) is added to the mixture, and the composition is defoamed if necessary, and cured by heating at 80W180°C for 1W15hr. The amount of the epoxy resin hardener is pref. 0.6W 1.2 equiv. per 1 equiv. of the epoxy group of the epoxy resin.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1018281A JPS57125244A (en) | 1981-01-28 | 1981-01-28 | Epoxy resin composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1018281A JPS57125244A (en) | 1981-01-28 | 1981-01-28 | Epoxy resin composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57125244A true JPS57125244A (en) | 1982-08-04 |
Family
ID=11743140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1018281A Pending JPS57125244A (en) | 1981-01-28 | 1981-01-28 | Epoxy resin composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57125244A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019214653A (en) * | 2018-06-12 | 2019-12-19 | 国立大学法人大阪大学 | Manufacturing method of hybrid resin and hybrid resin |
-
1981
- 1981-01-28 JP JP1018281A patent/JPS57125244A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019214653A (en) * | 2018-06-12 | 2019-12-19 | 国立大学法人大阪大学 | Manufacturing method of hybrid resin and hybrid resin |
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