JPS559851A - Polyester film for drawing, plate making - Google Patents
Polyester film for drawing, plate makingInfo
- Publication number
- JPS559851A JPS559851A JP8265378A JP8265378A JPS559851A JP S559851 A JPS559851 A JP S559851A JP 8265378 A JP8265378 A JP 8265378A JP 8265378 A JP8265378 A JP 8265378A JP S559851 A JPS559851 A JP S559851A
- Authority
- JP
- Japan
- Prior art keywords
- film
- particles
- projections
- pimple
- free
- 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
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE: To obtain a film, which is free from pimple-like projections or whose pimple-like projections are well controlled if not free and clear and easy to be handled, by using special particles and appropriately adjusting amount of addition of the particles and surface projections to be formed thereby.
CONSTITUTION: Particles of an inactive substance are mixed into 2-axis arrangement polyester film whose thickness is less than 30μ and more than 200μ, and they are uniformly dispersed and distributed. The particles are to be those which have affinity with polyester and are hard to form voids in the expansion process, and therefore, are to be external addition type particles to that surface projetions on a film can be accurately controlled when an expansion film was used. Film's inside is 2% or less in terms of thickness of 25μ, and number of projections (pc/mm2) on a film surface measured by multiple interference method with a measurement wave of 0.54μ are within ranges of 25W130 for the secondary interference stripe, 5W30 for the third interference stripe and 1W15 for the fourth interference stripe, respectively.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53082653A JPS5818222B2 (en) | 1978-07-07 | 1978-07-07 | Polyester film for plate making and drafting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53082653A JPS5818222B2 (en) | 1978-07-07 | 1978-07-07 | Polyester film for plate making and drafting |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS559851A true JPS559851A (en) | 1980-01-24 |
JPS5818222B2 JPS5818222B2 (en) | 1983-04-12 |
Family
ID=13780378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53082653A Expired JPS5818222B2 (en) | 1978-07-07 | 1978-07-07 | Polyester film for plate making and drafting |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5818222B2 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56166065A (en) * | 1980-03-12 | 1981-12-19 | Ici Ltd | Polyester composite film and its manufacture |
JPS5766936A (en) * | 1980-10-15 | 1982-04-23 | Teijin Ltd | Polyester film |
JPS57167216A (en) * | 1981-04-09 | 1982-10-15 | Teijin Ltd | Polyester film |
JPS57167215A (en) * | 1981-04-09 | 1982-10-15 | Teijin Ltd | Manufacture of polyester film |
JPS63153759U (en) * | 1987-03-25 | 1988-10-07 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4841700A (en) * | 1971-09-24 | 1973-06-18 | ||
JPS4972370A (en) * | 1972-11-10 | 1974-07-12 | ||
JPS50109715A (en) * | 1974-02-04 | 1975-08-29 |
-
1978
- 1978-07-07 JP JP53082653A patent/JPS5818222B2/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4841700A (en) * | 1971-09-24 | 1973-06-18 | ||
JPS4972370A (en) * | 1972-11-10 | 1974-07-12 | ||
JPS50109715A (en) * | 1974-02-04 | 1975-08-29 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56166065A (en) * | 1980-03-12 | 1981-12-19 | Ici Ltd | Polyester composite film and its manufacture |
JPS6122631B2 (en) * | 1980-03-12 | 1986-06-02 | Ici Plc | |
JPS5766936A (en) * | 1980-10-15 | 1982-04-23 | Teijin Ltd | Polyester film |
JPS6351090B2 (en) * | 1980-10-15 | 1988-10-12 | Teijin Ltd | |
JPS57167216A (en) * | 1981-04-09 | 1982-10-15 | Teijin Ltd | Polyester film |
JPS57167215A (en) * | 1981-04-09 | 1982-10-15 | Teijin Ltd | Manufacture of polyester film |
JPS6351091B2 (en) * | 1981-04-09 | 1988-10-12 | Teijin Ltd | |
JPS6364289B2 (en) * | 1981-04-09 | 1988-12-12 | ||
JPS63153759U (en) * | 1987-03-25 | 1988-10-07 |
Also Published As
Publication number | Publication date |
---|---|
JPS5818222B2 (en) | 1983-04-12 |
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