JPS5563229A - Method of manufacturing film excellent in transparency - Google Patents
Method of manufacturing film excellent in transparencyInfo
- Publication number
- JPS5563229A JPS5563229A JP13549278A JP13549278A JPS5563229A JP S5563229 A JPS5563229 A JP S5563229A JP 13549278 A JP13549278 A JP 13549278A JP 13549278 A JP13549278 A JP 13549278A JP S5563229 A JPS5563229 A JP S5563229A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- layer
- melting point
- transparency
- polymer
- 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
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE:To provide a product excellent in transparency, low-temperature heat sealing property, surface smoothness and the like by treating a composite film under a specific condition. CONSTITUTION:A laminated film consisting of a biaxially elongated substrate film layer A (such as polyethylene, poypropylene, polyacrylate, and polyethylene terephthalate), and a coating layer B(such as ethylenevinyl chloride copolymer, chlorinated polyethylene, and copolymerized polyester) coating at least one surface of the layer A and mainly composed of a low melting point thermoplastic polymer a having a melting point more than 5 deg.C lower than the melting point of the polymer constituting the layer A and elongated at least in a uniaxial direction is cooled at a cooling rate of more than 200 deg.C/sec at a temperature in the range of from the maximum crystallization temperature of the polymer a to a temperature 10 deg.C lower than said temperature.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13549278A JPS5563229A (en) | 1978-11-02 | 1978-11-02 | Method of manufacturing film excellent in transparency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13549278A JPS5563229A (en) | 1978-11-02 | 1978-11-02 | Method of manufacturing film excellent in transparency |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5563229A true JPS5563229A (en) | 1980-05-13 |
JPS6320690B2 JPS6320690B2 (en) | 1988-04-28 |
Family
ID=15152991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13549278A Granted JPS5563229A (en) | 1978-11-02 | 1978-11-02 | Method of manufacturing film excellent in transparency |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5563229A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5595532A (en) * | 1979-01-12 | 1980-07-19 | Toray Ind Inc | Manufacture of composite film |
JPS6219454A (en) * | 1985-07-19 | 1987-01-28 | 三菱化学株式会社 | Non-fogging polypropylene film |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS495492A (en) * | 1972-05-04 | 1974-01-18 | ||
JPS5221544A (en) * | 1975-08-11 | 1977-02-18 | Nippon Cable Syst Inc | Flexible shafr for pushing and pulling operation |
JPS5294381A (en) * | 1976-02-04 | 1977-08-08 | Mitsui Petrochem Ind Ltd | Biaxially stretched polypropylene composite film |
JPS5324465A (en) * | 1976-08-11 | 1978-03-07 | Seiichi Tadami | Method of patterning matting materials |
JPS53128685A (en) * | 1977-04-15 | 1978-11-09 | Toray Ind Inc | Three layer-laminated polypropylene film |
JPS55154131A (en) * | 1979-05-19 | 1980-12-01 | Tokuyama Soda Co Ltd | Preparation of biaxially-drawn laminated polypropylene film |
-
1978
- 1978-11-02 JP JP13549278A patent/JPS5563229A/en active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS495492A (en) * | 1972-05-04 | 1974-01-18 | ||
JPS5221544A (en) * | 1975-08-11 | 1977-02-18 | Nippon Cable Syst Inc | Flexible shafr for pushing and pulling operation |
JPS5294381A (en) * | 1976-02-04 | 1977-08-08 | Mitsui Petrochem Ind Ltd | Biaxially stretched polypropylene composite film |
JPS5324465A (en) * | 1976-08-11 | 1978-03-07 | Seiichi Tadami | Method of patterning matting materials |
JPS53128685A (en) * | 1977-04-15 | 1978-11-09 | Toray Ind Inc | Three layer-laminated polypropylene film |
JPS55154131A (en) * | 1979-05-19 | 1980-12-01 | Tokuyama Soda Co Ltd | Preparation of biaxially-drawn laminated polypropylene film |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5595532A (en) * | 1979-01-12 | 1980-07-19 | Toray Ind Inc | Manufacture of composite film |
JPS6219454A (en) * | 1985-07-19 | 1987-01-28 | 三菱化学株式会社 | Non-fogging polypropylene film |
JPH0523187B2 (en) * | 1985-07-19 | 1993-03-31 | Mitsubishi Petrochemical Co |
Also Published As
Publication number | Publication date |
---|---|
JPS6320690B2 (en) | 1988-04-28 |
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