JPS6230898B2 - - Google Patents
Info
- Publication number
- JPS6230898B2 JPS6230898B2 JP9387778A JP9387778A JPS6230898B2 JP S6230898 B2 JPS6230898 B2 JP S6230898B2 JP 9387778 A JP9387778 A JP 9387778A JP 9387778 A JP9387778 A JP 9387778A JP S6230898 B2 JPS6230898 B2 JP S6230898B2
- Authority
- JP
- Japan
- Prior art keywords
- film
- polyvinyl alcohol
- humidity
- biaxially stretched
- humidity control
- 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
- 238000000034 method Methods 0.000 claims description 21
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 19
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 19
- 238000007664 blowing Methods 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000007127 saponification reaction Methods 0.000 description 4
- 238000009998 heat setting Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 230000037330 wrinkle prevention Effects 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 |
|---|---|---|---|
| JP9387778A JPS5521215A (en) | 1978-07-31 | 1978-07-31 | Method of humidifying polyvinyl alcohol film extended through two shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9387778A JPS5521215A (en) | 1978-07-31 | 1978-07-31 | Method of humidifying polyvinyl alcohol film extended through two shafts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5521215A JPS5521215A (en) | 1980-02-15 |
| JPS6230898B2 true JPS6230898B2 (de) | 1987-07-06 |
Family
ID=14094694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9387778A Granted JPS5521215A (en) | 1978-07-31 | 1978-07-31 | Method of humidifying polyvinyl alcohol film extended through two shafts |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5521215A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101421A (ja) * | 1985-10-29 | 1987-05-11 | Teijin Ltd | ポリエチレンテレフタレ−トフイルムロ−ルの処理方法 |
| JP4701561B2 (ja) * | 2001-08-22 | 2011-06-15 | 住友ベークライト株式会社 | 表示素子及びその製造方法 |
-
1978
- 1978-07-31 JP JP9387778A patent/JPS5521215A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5521215A (en) | 1980-02-15 |
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