JPH0410851B2 - - Google Patents
Info
- Publication number
- JPH0410851B2 JPH0410851B2 JP6838885A JP6838885A JPH0410851B2 JP H0410851 B2 JPH0410851 B2 JP H0410851B2 JP 6838885 A JP6838885 A JP 6838885A JP 6838885 A JP6838885 A JP 6838885A JP H0410851 B2 JPH0410851 B2 JP H0410851B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- stretching
- liquid
- pulleys
- liquid level
- 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
- 239000007788 liquid Substances 0.000 claims description 56
- 239000012528 membrane Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 239000007787 solid Substances 0.000 description 8
- 230000008602 contraction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 5
- 239000011343 solid material Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 238000003836 solid-state method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6838885A JPS61227019A (ja) | 1985-04-02 | 1985-04-02 | 皮膜の横延伸方法及び装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6838885A JPS61227019A (ja) | 1985-04-02 | 1985-04-02 | 皮膜の横延伸方法及び装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61227019A JPS61227019A (ja) | 1986-10-09 |
| JPH0410851B2 true JPH0410851B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-02-26 |
Family
ID=13372281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6838885A Granted JPS61227019A (ja) | 1985-04-02 | 1985-04-02 | 皮膜の横延伸方法及び装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61227019A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6916440B2 (en) | 2001-05-31 | 2005-07-12 | 3M Innovative Properties Company | Processes and apparatus for making transversely drawn films with substantially uniaxial character |
| US7153122B2 (en) | 2002-05-28 | 2006-12-26 | 3M Innovative Properties Company | Apparatus for making transversely drawn films with substantially uniaxial character |
| US6949212B2 (en) | 2002-11-27 | 2005-09-27 | 3M Innovative Properties Company | Methods and devices for stretching polymer films |
| US6936209B2 (en) | 2002-11-27 | 2005-08-30 | 3M Innovative Properties Company | Methods and devices for processing polymer films |
| US20060226561A1 (en) | 2005-04-08 | 2006-10-12 | 3M Innovative Properties Company | Heat setting optical films |
-
1985
- 1985-04-02 JP JP6838885A patent/JPS61227019A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61227019A (ja) | 1986-10-09 |
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