JPS5534964A - Method of manufacturing poliamide-extended film - Google Patents
Method of manufacturing poliamide-extended filmInfo
- Publication number
- JPS5534964A JPS5534964A JP10881778A JP10881778A JPS5534964A JP S5534964 A JPS5534964 A JP S5534964A JP 10881778 A JP10881778 A JP 10881778A JP 10881778 A JP10881778 A JP 10881778A JP S5534964 A JPS5534964 A JP S5534964A
- Authority
- JP
- Japan
- Prior art keywords
- film
- extension
- poliamide
- temperature
- manufacturing
- 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)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
PURPOSE:To provide extended film of smooth surface by apply two-exis extension on it applying stream on the surface of film, and while the temperature of the film is in a specified range, after the film is formed by extruding line-shaped molten poliamide. CONSTITUTION:Film, 50-300mu thick, is made by extruding line-shaped molten polyamide. After this, while the temperature of the film remains in the range of 140-190 deg.C, steam is applied on the surface of the film under the condition that the water content of the film does not exceed 1weight%. Then two-axis extension is performed on successively on it. EFFECT:Smoothness is improved by causing unevenness of the film surface resulting from the extension, since drops of water attached on the film surface make concave spots and cause crystalizing of the only attached portions.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10881778A JPS5534964A (en) | 1978-09-05 | 1978-09-05 | Method of manufacturing poliamide-extended film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10881778A JPS5534964A (en) | 1978-09-05 | 1978-09-05 | Method of manufacturing poliamide-extended film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5534964A true JPS5534964A (en) | 1980-03-11 |
JPS6230899B2 JPS6230899B2 (en) | 1987-07-06 |
Family
ID=14494255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10881778A Granted JPS5534964A (en) | 1978-09-05 | 1978-09-05 | Method of manufacturing poliamide-extended film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5534964A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6074206A (en) * | 1983-09-29 | 1985-04-26 | 株式会社村田製作所 | High dielectric porcelain composition |
JPS62227626A (en) * | 1986-03-31 | 1987-10-06 | Kohjin Co Ltd | Shrinkable polyamide film and manufacture thereof |
JPH0280226A (en) * | 1988-09-16 | 1990-03-20 | Unitika Ltd | Manufacture of antistatic polyamide biaxially oriented film |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0623360Y2 (en) * | 1989-05-23 | 1994-06-22 | 株式会社リングストン | Bulging toys |
-
1978
- 1978-09-05 JP JP10881778A patent/JPS5534964A/en active Granted
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6074206A (en) * | 1983-09-29 | 1985-04-26 | 株式会社村田製作所 | High dielectric porcelain composition |
JPS62227626A (en) * | 1986-03-31 | 1987-10-06 | Kohjin Co Ltd | Shrinkable polyamide film and manufacture thereof |
JPH054897B2 (en) * | 1986-03-31 | 1993-01-21 | Kojin Kk | |
JPH0280226A (en) * | 1988-09-16 | 1990-03-20 | Unitika Ltd | Manufacture of antistatic polyamide biaxially oriented film |
JPH0564579B2 (en) * | 1988-09-16 | 1993-09-14 | Unitika Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS6230899B2 (en) | 1987-07-06 |
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