JPS5757721A - Production of laminated sheet - Google Patents
Production of laminated sheetInfo
- Publication number
- JPS5757721A JPS5757721A JP55132158A JP13215880A JPS5757721A JP S5757721 A JPS5757721 A JP S5757721A JP 55132158 A JP55132158 A JP 55132158A JP 13215880 A JP13215880 A JP 13215880A JP S5757721 A JPS5757721 A JP S5757721A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- liquid
- impregnated
- resin liquid
- sheet
- 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
- Reinforced Plastic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
PURPOSE: To obtain a laminated sheet freed from air bubbles and voids and having excellent impregnation property, by impregnating a base sheet with a curable rsin liquid and, after dissolution and elimination of entrained bubbles in the resin liquid, curing the impregnated sheet.
CONSTITUTION: A base sheet is impregnated with a solvent-free curable resin liquid which by itself can cure into a cured product. Next, the impregnated sheet is cured after the air bubbles entrained in the curable resin liquid-impregnated base sheet are dissolved and eliminated in the resin liquid. As the base sheet, cellulosebased paper of glass cloth is particularly suitable. The curable resin liquid preferably used is a resin which does not give by-products such as gas or liquid in the course of the curing reaction, e.g., epoxy resin or unsaturated polyester resin. Of these resins, a resin of an addition-polymerizable type or radical-polymerizable type is suitable, because it can be cured without application of pressure, and the excessive movement of the resin liquid can be prevented.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55132158A JPS5757721A (en) | 1980-09-22 | 1980-09-22 | Production of laminated sheet |
CA000386339A CA1167364A (en) | 1980-09-22 | 1981-09-21 | Production of bubble-free electrical laminates |
DE8181107544T DE3173319D1 (en) | 1980-09-22 | 1981-09-22 | Process for producing a resin reinforced laminate |
EP81107544A EP0048491B1 (en) | 1980-09-22 | 1981-09-22 | Process for producing a resin reinforced laminate |
US06/304,692 US4388129A (en) | 1980-09-22 | 1981-09-22 | Production of bubble-free electrical laminates |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55132158A JPS5757721A (en) | 1980-09-22 | 1980-09-22 | Production of laminated sheet |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5757721A true JPS5757721A (en) | 1982-04-07 |
JPS6412231B2 JPS6412231B2 (en) | 1989-02-28 |
Family
ID=15074712
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55132158A Granted JPS5757721A (en) | 1980-09-22 | 1980-09-22 | Production of laminated sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5757721A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60226532A (en) * | 1984-04-25 | 1985-11-11 | Matsushita Electric Works Ltd | Production of resin-impregnated substrate |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS554838A (en) * | 1978-06-26 | 1980-01-14 | Kanegafuchi Chemical Ind | Method of continuously manufacturing electric laminated insulating plate or metallic foil laminated plate |
-
1980
- 1980-09-22 JP JP55132158A patent/JPS5757721A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS554838A (en) * | 1978-06-26 | 1980-01-14 | Kanegafuchi Chemical Ind | Method of continuously manufacturing electric laminated insulating plate or metallic foil laminated plate |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60226532A (en) * | 1984-04-25 | 1985-11-11 | Matsushita Electric Works Ltd | Production of resin-impregnated substrate |
Also Published As
Publication number | Publication date |
---|---|
JPS6412231B2 (en) | 1989-02-28 |
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