JPS5759932A - Photosetting prepreg - Google Patents
Photosetting prepregInfo
- Publication number
- JPS5759932A JPS5759932A JP13736180A JP13736180A JPS5759932A JP S5759932 A JPS5759932 A JP S5759932A JP 13736180 A JP13736180 A JP 13736180A JP 13736180 A JP13736180 A JP 13736180A JP S5759932 A JPS5759932 A JP S5759932A
- Authority
- JP
- Japan
- Prior art keywords
- isocyanate
- paper
- dried
- coated
- base material
- 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
- Reinforced Plastic Materials (AREA)
- Polymerisation Methods In General (AREA)
- Epoxy Resins (AREA)
Abstract
PURPOSE: A specific base material is coated with a photosetting resin composition and dried by heating, thus producing the titled flexible and half-hardened prepreg that readily gives a heat-resistant insulator by irradiation with light.
CONSTITUTION: At first, (A) an isocyanate-modified epoxy resin is prepared by the reaction of (i) 1 equivalent amount of an isocyanate compound such as hexamethylene diisocyanate with (ii) 1.2W5 equivalent amount of an epoxy compound in the presence of a heteroring-forming catalyst such as iron chloride. the resulant isocyanate-modified epoxy resin is made to react with (B) an unsaturated monobasic acid such as acrylic acid to give a photosetting resin composition. Then, the base material that is made by fusing composite mica paper containing 1W5% high polymer fibrids as a binder with aromatic polyamide paper is coated or impregnated with the above composition and dried by heating to the obiective half-hardened prepreg. The amount of the aromatic polymide paper is 20W120pts.wt./100pts. of the composite mica paper.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13736180A JPS5759932A (en) | 1980-09-29 | 1980-09-29 | Photosetting prepreg |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13736180A JPS5759932A (en) | 1980-09-29 | 1980-09-29 | Photosetting prepreg |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5759932A true JPS5759932A (en) | 1982-04-10 |
Family
ID=15196862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13736180A Pending JPS5759932A (en) | 1980-09-29 | 1980-09-29 | Photosetting prepreg |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5759932A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0884737A1 (en) * | 1997-06-13 | 1998-12-16 | Gec Alsthom Electromecanique Sa | Porous electrically insulating mica tape with UV-crosslinkable varnish, manufacturing and applications of the same |
-
1980
- 1980-09-29 JP JP13736180A patent/JPS5759932A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0884737A1 (en) * | 1997-06-13 | 1998-12-16 | Gec Alsthom Electromecanique Sa | Porous electrically insulating mica tape with UV-crosslinkable varnish, manufacturing and applications of the same |
FR2764726A1 (en) * | 1997-06-13 | 1998-12-18 | Gec Alsthom Electromec | ELECTRICAL INSULATING, POROUS MICACE TAPE COMPRISING A VARNISH CROSS-LINKABLE BY UV RADIATION, ITS MANUFACTURE AND ITS APPLICATIONS |
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