JPS6453840A - Polyester laminated film - Google Patents
Polyester laminated filmInfo
- Publication number
- JPS6453840A JPS6453840A JP21216287A JP21216287A JPS6453840A JP S6453840 A JPS6453840 A JP S6453840A JP 21216287 A JP21216287 A JP 21216287A JP 21216287 A JP21216287 A JP 21216287A JP S6453840 A JPS6453840 A JP S6453840A
- Authority
- JP
- Japan
- Prior art keywords
- inorganic particles
- film
- inert inorganic
- projections
- grain size
- 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 obtain a film, prominent in both of anti-scratch property and anti-scraping property, by a method wherein polymer layers, having the thickness of a ratio within a specified range with respect to the average grain size of inert inorganic particles contained in polyester, are laminated and the ratio of particles of the inorganic particles in respective layers is limited within a specified range while the volume of effective spaces, produced by projections on the surface of a film, is also limited within a specified range. CONSTITUTION:A polymer layer, having the thickness of 0.01C-0.5C (unit is mum) and containing no inert inorganic particles substantially, is provided on at least one side of a film having the principal constituent of a composite consisting of polyester and inert inorganic particles having an average grain size C (mum). In this case, said polymer layer contains inert inorganic particles having the average grain size of 0.01C-0.35C and the volume of effective spaces, produced by projections on the surface of a laminating surface, is limited within the range of 1X10<3>-5X10<5>. According to this method, the shock absorbing capacity and viscoelastic characteristic of the projections, existing on the surface, may be improved. Accordingly, the film, prominent in both of anti-scratch property and anti-scraping property, may be obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21216287A JPS6453840A (en) | 1987-08-25 | 1987-08-25 | Polyester laminated film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21216287A JPS6453840A (en) | 1987-08-25 | 1987-08-25 | Polyester laminated film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6453840A true JPS6453840A (en) | 1989-03-01 |
JPH0574462B2 JPH0574462B2 (en) | 1993-10-18 |
Family
ID=16617930
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21216287A Granted JPS6453840A (en) | 1987-08-25 | 1987-08-25 | Polyester laminated film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6453840A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03187741A (en) * | 1989-12-18 | 1991-08-15 | Toray Ind Inc | Biaxially oriented thermoplastic resin film |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60236733A (en) * | 1984-04-16 | 1985-11-25 | ヘキスト・アクチエンゲゼルシヤフト | Biaxial-oriented carrier film obtained through co-extrusion of multilayer for magnetic information carrier and manufacture thereof |
JPS6264545A (en) * | 1985-05-29 | 1987-03-23 | 帝人株式会社 | Polyester film for metallic thin-film magnetic record medium |
-
1987
- 1987-08-25 JP JP21216287A patent/JPS6453840A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60236733A (en) * | 1984-04-16 | 1985-11-25 | ヘキスト・アクチエンゲゼルシヤフト | Biaxial-oriented carrier film obtained through co-extrusion of multilayer for magnetic information carrier and manufacture thereof |
JPS6264545A (en) * | 1985-05-29 | 1987-03-23 | 帝人株式会社 | Polyester film for metallic thin-film magnetic record medium |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03187741A (en) * | 1989-12-18 | 1991-08-15 | Toray Ind Inc | Biaxially oriented thermoplastic resin film |
Also Published As
Publication number | Publication date |
---|---|
JPH0574462B2 (en) | 1993-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |