JPS56106950A - Curable epoxy resin - Google Patents
Curable epoxy resinInfo
- Publication number
- JPS56106950A JPS56106950A JP917980A JP917980A JPS56106950A JP S56106950 A JPS56106950 A JP S56106950A JP 917980 A JP917980 A JP 917980A JP 917980 A JP917980 A JP 917980A JP S56106950 A JPS56106950 A JP S56106950A
- Authority
- JP
- Japan
- Prior art keywords
- amine hardener
- epoxy resin
- resin
- clay pigment
- 100pts
- 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 enable sure visual determination of the mixing state of an epoxy resin and an amine hardener, by compounding the epoxy resin with a clay pigment which changes its color with the amine hardener, thereby ensuring the discoloration of the resin by mixing with the amine hardener even after the storage of the resin under the exposure with light and heat.
CONSTITUTION: A composition composed of 100pts.wt. of an epoxy resin and 0.01W5wt% of a clay pigment compounded therein, is mixed with 10W150wt%, based on 100pts.of the resin, of an amine hardener such as an aliphatic polyamine. The clay pigment can be prepared by reacting zeolite and/or montmorillonite with a basic dye which changes the color with an amine hardener, e.g. methylene blue, crystal violet, etc., in a specific buffer solution at ≤90°C.
EFFECT: The troubles caused by insufficient kneading can be prevented.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP917980A JPS56106950A (en) | 1980-01-28 | 1980-01-28 | Curable epoxy resin |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP917980A JPS56106950A (en) | 1980-01-28 | 1980-01-28 | Curable epoxy resin |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56106950A true JPS56106950A (en) | 1981-08-25 |
Family
ID=11713326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP917980A Pending JPS56106950A (en) | 1980-01-28 | 1980-01-28 | Curable epoxy resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56106950A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100540909B1 (en) * | 1999-02-04 | 2006-01-10 | 제일모직주식회사 | Epoxy molding compound for encapsulating semiconductors elements with good markability |
-
1980
- 1980-01-28 JP JP917980A patent/JPS56106950A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100540909B1 (en) * | 1999-02-04 | 2006-01-10 | 제일모직주식회사 | Epoxy molding compound for encapsulating semiconductors elements with good markability |
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