JPS57195118A - Preparation of curing agent for epoxy resin - Google Patents
Preparation of curing agent for epoxy resinInfo
- Publication number
- JPS57195118A JPS57195118A JP7910181A JP7910181A JPS57195118A JP S57195118 A JPS57195118 A JP S57195118A JP 7910181 A JP7910181 A JP 7910181A JP 7910181 A JP7910181 A JP 7910181A JP S57195118 A JPS57195118 A JP S57195118A
- Authority
- JP
- Japan
- Prior art keywords
- amine
- phenol
- epoxy resin
- curing agent
- preparation
- 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.)
- Granted
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Epoxy Resins (AREA)
Abstract
PURPOSE: To obtain a curing agent for epoxy resin, having low contents of remaining phenol and amine and low viscosity, by reacting a phenol with an amine and an aldehyde, followed by adding acrylonitrile to the prepared compound.
CONSTITUTION: 1mol phenol (e.g., ortho-cresol, etc.) is mixed with 2W2.5mol amine (e.g., meta-xylenediamine, etc.), and reacted with 1.2W2.0mol aldehyde (e. g., formaldehyde, etc.) at 70W100°C with stirring. The prepared compound is heated at 100W180°C so that the formed water is eliminated, and 0.2W1.5mol acrylonitrile is added to it, to give the desired reaction product.
EFFECT: The content of the remaining phenol is ≤5wt%, and that of the amine is ≤35wt%, and the viscosity is ≤8,000cps (25°C).
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7910181A JPS57195118A (en) | 1981-05-25 | 1981-05-25 | Preparation of curing agent for epoxy resin |
EP82302683A EP0066447A1 (en) | 1981-05-25 | 1982-05-25 | Reaction of a phenol, aldehyde and amine to produce hardening agent for epoxy resins |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7910181A JPS57195118A (en) | 1981-05-25 | 1981-05-25 | Preparation of curing agent for epoxy resin |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57195118A true JPS57195118A (en) | 1982-11-30 |
JPH0122849B2 JPH0122849B2 (en) | 1989-04-28 |
Family
ID=13680484
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7910181A Granted JPS57195118A (en) | 1981-05-25 | 1981-05-25 | Preparation of curing agent for epoxy resin |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57195118A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219220A (en) * | 1982-06-14 | 1983-12-20 | Daito Sangyo Kk | Curing agent for epoxy resin |
CN1048741C (en) * | 1996-05-03 | 2000-01-26 | 左新民 | Phenol aldehyde modified firming agent and its preparation method |
-
1981
- 1981-05-25 JP JP7910181A patent/JPS57195118A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58219220A (en) * | 1982-06-14 | 1983-12-20 | Daito Sangyo Kk | Curing agent for epoxy resin |
JPH0230327B2 (en) * | 1982-06-14 | 1990-07-05 | Daito Sangyo Kk | |
CN1048741C (en) * | 1996-05-03 | 2000-01-26 | 左新民 | Phenol aldehyde modified firming agent and its preparation method |
Also Published As
Publication number | Publication date |
---|---|
JPH0122849B2 (en) | 1989-04-28 |
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