JPS6461219A - Manufacture of thermoplastic polyurethane film - Google Patents
Manufacture of thermoplastic polyurethane filmInfo
- Publication number
- JPS6461219A JPS6461219A JP62217962A JP21796287A JPS6461219A JP S6461219 A JPS6461219 A JP S6461219A JP 62217962 A JP62217962 A JP 62217962A JP 21796287 A JP21796287 A JP 21796287A JP S6461219 A JPS6461219 A JP S6461219A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- nonadhesive
- thermoplastic polyurethane
- layer
- thermoplastic
- 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
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
PURPOSE:To manufacture efficiently a thermoplastic polyurethane film of 30mum or less in thickness, by a method wherein after co-extrusion of thermoplastic polyurethane resin in a filmy state has been performed under a state where both surfaces of the same are coated with thermoplastic resin which is nonadhesive to the same, a nonadhesive resin layer is peeled off. CONSTITUTION:Thermoplastic polyurethane resin is extruded in a filmy state of a three layer constitution of nonadhesive resin/polyurethane resin/nonadhesive resin under a state where both surfaces of the thermoplastic polyurethane resin is coated with thermoplastic resin which is nonadhesive to the thermoplastic polyurethane resin. Thickness constitution of each layer is not limited especially and the polyurethane resin is extruded thicker than a nonadhesive resin layer from a cost point of view. However, the polyurethane resin layer is extruded thinner than the nonadhesive resin layer as a film thickness of the targeted polyurethane film becomes thinner, so that high draft may not be applied to the same. After extrusion, the nonadhesive resin layer is peeled off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62217962A JPS6461219A (en) | 1987-09-02 | 1987-09-02 | Manufacture of thermoplastic polyurethane film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62217962A JPS6461219A (en) | 1987-09-02 | 1987-09-02 | Manufacture of thermoplastic polyurethane film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6461219A true JPS6461219A (en) | 1989-03-08 |
Family
ID=16712454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62217962A Pending JPS6461219A (en) | 1987-09-02 | 1987-09-02 | Manufacture of thermoplastic polyurethane film |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6461219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020187263A (en) * | 2019-05-15 | 2020-11-19 | 大倉工業株式会社 | Seamless belt with carrier layer, manufacturing method of the same and manufacturing method of transfer belt with elastic layer for image formation apparatus |
-
1987
- 1987-09-02 JP JP62217962A patent/JPS6461219A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020187263A (en) * | 2019-05-15 | 2020-11-19 | 大倉工業株式会社 | Seamless belt with carrier layer, manufacturing method of the same and manufacturing method of transfer belt with elastic layer for image formation apparatus |
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