JPS6453839A - Laminated polyester film - Google Patents
Laminated polyester filmInfo
- Publication number
- JPS6453839A JPS6453839A JP21216187A JP21216187A JPS6453839A JP S6453839 A JPS6453839 A JP S6453839A JP 21216187 A JP21216187 A JP 21216187A JP 21216187 A JP21216187 A JP 21216187A JP S6453839 A JPS6453839 A JP S6453839A
- Authority
- JP
- Japan
- Prior art keywords
- film
- inert inorganic
- projections
- limited
- inorganic particles
- 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 reeling style and anti-scraping property, by a method wherein the ratio of the average grain size of inert inorganic particles contained in a polyester film to the thickness of a polymer layer, containing no inert inorganic particle substantially, is limited within a specified range while the volume of effective spaces, produced by the projections on the surface of the film, is also limited in 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, the volume of effective spaces, produced by projections on said surface, it limited within the range of 1X10<3>-5X10<5>. According to this method, the shock absorbing capacity of the projections, existing on the surface of the film, may be improved. Accordingly, the film, prominent both in the reeling style as well as in the anti-scraping property thereof, may be obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62212161A JPH07110533B2 (en) | 1987-08-25 | 1987-08-25 | Laminated polyester film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62212161A JPH07110533B2 (en) | 1987-08-25 | 1987-08-25 | Laminated polyester film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6453839A true JPS6453839A (en) | 1989-03-01 |
| JPH07110533B2 JPH07110533B2 (en) | 1995-11-29 |
Family
ID=16617913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62212161A Expired - Lifetime JPH07110533B2 (en) | 1987-08-25 | 1987-08-25 | Laminated polyester film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07110533B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03130151A (en) * | 1989-10-16 | 1991-06-03 | Toray Ind Inc | Polyester film |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60254415A (en) * | 1984-04-16 | 1985-12-16 | ヘキスト アクチエンゲゼルシヤフト | Multilayer biaxially stretched support sheet for informationsupport by magnetism and manufacture thereof |
-
1987
- 1987-08-25 JP JP62212161A patent/JPH07110533B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60254415A (en) * | 1984-04-16 | 1985-12-16 | ヘキスト アクチエンゲゼルシヤフト | Multilayer biaxially stretched support sheet for informationsupport by magnetism and manufacture thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03130151A (en) * | 1989-10-16 | 1991-06-03 | Toray Ind Inc | Polyester film |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07110533B2 (en) | 1995-11-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20071129 Year of fee payment: 12 |