JPH0457182B2 - - Google Patents
Info
- Publication number
- JPH0457182B2 JPH0457182B2 JP10677686A JP10677686A JPH0457182B2 JP H0457182 B2 JPH0457182 B2 JP H0457182B2 JP 10677686 A JP10677686 A JP 10677686A JP 10677686 A JP10677686 A JP 10677686A JP H0457182 B2 JPH0457182 B2 JP H0457182B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- roll
- heat treatment
- nip
- stretched
- 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.)
- Expired
Links
- 238000010438 heat treatment Methods 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 24
- 229920005992 thermoplastic resin Polymers 0.000 claims description 20
- 230000002040 relaxant effect Effects 0.000 claims description 7
- 238000003672 processing method Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 16
- 230000037303 wrinkles Effects 0.000 description 16
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- -1 polyethylene terephthalate Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10677686A JPS62263023A (ja) | 1986-05-12 | 1986-05-12 | 熱可塑性樹脂フイルムの弛緩熱処理法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10677686A JPS62263023A (ja) | 1986-05-12 | 1986-05-12 | 熱可塑性樹脂フイルムの弛緩熱処理法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62263023A JPS62263023A (ja) | 1987-11-16 |
| JPH0457182B2 true JPH0457182B2 (enrdf_load_stackoverflow) | 1992-09-10 |
Family
ID=14442304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10677686A Granted JPS62263023A (ja) | 1986-05-12 | 1986-05-12 | 熱可塑性樹脂フイルムの弛緩熱処理法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62263023A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6939499B2 (en) | 2001-05-31 | 2005-09-06 | 3M Innovative Properties Company | Processes and apparatus for making transversely drawn films with substantially uniaxial character |
| US6936209B2 (en) * | 2002-11-27 | 2005-08-30 | 3M Innovative Properties Company | Methods and devices for processing polymer films |
| KR101287740B1 (ko) | 2005-04-08 | 2013-07-18 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 광학 필름의 열 경화법 |
-
1986
- 1986-05-12 JP JP10677686A patent/JPS62263023A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62263023A (ja) | 1987-11-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |