JPS5592722A - Preparation of phenolic resin for laminated sheet - Google Patents
Preparation of phenolic resin for laminated sheetInfo
- Publication number
- JPS5592722A JPS5592722A JP16596178A JP16596178A JPS5592722A JP S5592722 A JPS5592722 A JP S5592722A JP 16596178 A JP16596178 A JP 16596178A JP 16596178 A JP16596178 A JP 16596178A JP S5592722 A JPS5592722 A JP S5592722A
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- amine
- phenolic resin
- resin
- improved
- 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
Abstract
PURPOSE: To prepare a phenolic resin having high clarity and improved curing rate at an appropriate viscosity, by adding an amine catalyst at a specific reaction stage in the reaction of formaldehyde with the reaction product of a phenolic compound, a xylene resin and tung oil.
CONSTITUTION: In the reaction of formaldehyde with 400pts.wt. of the reaction product of phenol, a xylene resin and tung oil, 6W20pts.wt. of an amine (e.g. 25% aqueous ammonia, etc.) or a mixture of 3W10pts.wt. of an amine and 0.2W0.6pts. wt. of a metal hydroxide [e.g. Mg(OH)2, etc.] are added to the reaction system as catalysts at the initiation of the reaction. After the elapse of 60W90% of the whole reaction time, 3W10pts.wt. of the amine is further added and the reaction is completed.
EFFECT: The phenolic resin has improved impregnating property into substrate and the bond strength of the laminated sheet is improved. As the phenolic resin is modified with a xylene resin, it has excellent water resistance, electrical characteristics and dimension stability.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16596178A JPS6051496B2 (en) | 1978-12-29 | 1978-12-29 | Method for producing phenolic resin for laminates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16596178A JPS6051496B2 (en) | 1978-12-29 | 1978-12-29 | Method for producing phenolic resin for laminates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5592722A true JPS5592722A (en) | 1980-07-14 |
| JPS6051496B2 JPS6051496B2 (en) | 1985-11-14 |
Family
ID=15822297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16596178A Expired JPS6051496B2 (en) | 1978-12-29 | 1978-12-29 | Method for producing phenolic resin for laminates |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6051496B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60248723A (en) * | 1984-05-23 | 1985-12-09 | Hitachi Chem Co Ltd | Production of phenolic resin for laminating |
| CN112625375A (en) * | 2020-12-04 | 2021-04-09 | 安徽强茗塑业科技有限公司 | Composite drainage plate and preparation method thereof |
-
1978
- 1978-12-29 JP JP16596178A patent/JPS6051496B2/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60248723A (en) * | 1984-05-23 | 1985-12-09 | Hitachi Chem Co Ltd | Production of phenolic resin for laminating |
| JPS6220213B2 (en) * | 1984-05-23 | 1987-05-06 | Hitachi Chemical Co Ltd | |
| CN112625375A (en) * | 2020-12-04 | 2021-04-09 | 安徽强茗塑业科技有限公司 | Composite drainage plate and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6051496B2 (en) | 1985-11-14 |
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