JPS6472833A - Preparation of single surface mat polycarbonate film - Google Patents
Preparation of single surface mat polycarbonate filmInfo
- Publication number
- JPS6472833A JPS6472833A JP22856187A JP22856187A JPS6472833A JP S6472833 A JPS6472833 A JP S6472833A JP 22856187 A JP22856187 A JP 22856187A JP 22856187 A JP22856187 A JP 22856187A JP S6472833 A JPS6472833 A JP S6472833A
- Authority
- JP
- Japan
- Prior art keywords
- polycarbonate
- mat
- guide roll
- molten
- polycarbonate film
- 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
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
PURPOSE:To obtain a good single surface mat polycarbonate film, by pressing polycarbonate of specific temp. extruded under melting under specific line pressure using a mirror surface guide roll made of heat resistant silicone rubber whose surface roughnesses in the directions parallel and vertical to the surface thereof and surface hardness are specific. CONSTITUTION:The molten polycarbonate 3 extruded from an extrusion die 4 is guided between a matted cooling roll 1 set to a line pressure range of 1-5kg/cm and a mirror surface guide roll 2 made of silicone rubber having surface hardness of 50-80 deg. within a resin temp. range of 170-200 deg.C. The molten polycarbonate on the side of the guide roll 2 receives pressure in a semi-molten state to erase die lines at the time of extrusion and the mirror surface of the guide roll is transferred to said polycarbonate. The molten polycarbonate brought into contact with the matted cooling roll 1 receives the transfer of the mat surface of the cooling roll 1 and cooled. By this method, a good single surface mat polycarbonate film can be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22856187A JPS6472833A (en) | 1987-09-14 | 1987-09-14 | Preparation of single surface mat polycarbonate film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22856187A JPS6472833A (en) | 1987-09-14 | 1987-09-14 | Preparation of single surface mat polycarbonate film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6472833A true JPS6472833A (en) | 1989-03-17 |
Family
ID=16878299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22856187A Pending JPS6472833A (en) | 1987-09-14 | 1987-09-14 | Preparation of single surface mat polycarbonate film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6472833A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0443452A2 (en) * | 1990-02-19 | 1991-08-28 | Chisso Corporation | One-side roughened rolled plane body and production thereof |
| KR20120120898A (en) | 2011-04-25 | 2012-11-02 | 스미또모 가가꾸 가부시끼가이샤 | Method for producing resin molded body |
| JP2013215989A (en) * | 2012-04-09 | 2013-10-24 | Kurabo Ind Ltd | Release film and transfer film using the same |
-
1987
- 1987-09-14 JP JP22856187A patent/JPS6472833A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0443452A2 (en) * | 1990-02-19 | 1991-08-28 | Chisso Corporation | One-side roughened rolled plane body and production thereof |
| KR20120120898A (en) | 2011-04-25 | 2012-11-02 | 스미또모 가가꾸 가부시끼가이샤 | Method for producing resin molded body |
| JP2012228799A (en) * | 2011-04-25 | 2012-11-22 | Sumitomo Chemical Co Ltd | Manufacturing method for resin molded body |
| JP2013215989A (en) * | 2012-04-09 | 2013-10-24 | Kurabo Ind Ltd | Release film and transfer film using the same |
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