TW200603903A - Method and apparatus for producing film from polymer solution, and optical polymer film - Google Patents
Method and apparatus for producing film from polymer solution, and optical polymer filmInfo
- Publication number
- TW200603903A TW200603903A TW093121244A TW93121244A TW200603903A TW 200603903 A TW200603903 A TW 200603903A TW 093121244 A TW093121244 A TW 093121244A TW 93121244 A TW93121244 A TW 93121244A TW 200603903 A TW200603903 A TW 200603903A
- Authority
- TW
- Taiwan
- Prior art keywords
- film
- gel
- polymer
- belt
- optical
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 title abstract 2
- 229920000642 polymer Polymers 0.000 title abstract 2
- 229920006254 polymer film Polymers 0.000 title 1
- 239000010408 film Substances 0.000 abstract 5
- 238000005266 casting Methods 0.000 abstract 3
- 239000002904 solvent Substances 0.000 abstract 2
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000012788 optical film Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
Landscapes
- Moulding By Coating Moulds (AREA)
Abstract
A dope containing cellulose acylate as a main content of polymer is cast on a front surface of a moving belt in a method of producing a film from a solution. A drying apparatus is confronted to a back surface of said belt to evaporate a solvent in the gel-like film. Further, a condensers are confronted to a cast surface of said gel-like film to condense a solvent vapor for recovery. A wind speed above and near the gel-like film is from 0.01 m/s to 0.5 m/s, and the belt is transported downwards at the casting position PS. When d (mm) is a distance between the casting surface and each condenser, Tw (DEG C) is a temperature of each condenser, and Ts (DEG C) is a temperature of the casting dope, conditions are satisfied: Q=(Ts-Tw)/d and 5<Q<100. The obtained film is excellent in thickness uniformity and optical properties, and therefore adequate for the optical film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW93121244A TWI322042B (en) | 2004-07-16 | 2004-07-16 | Method and apparatus for producing film from polymer solution, and optical polymer film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW93121244A TWI322042B (en) | 2004-07-16 | 2004-07-16 | Method and apparatus for producing film from polymer solution, and optical polymer film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200603903A true TW200603903A (en) | 2006-02-01 |
| TWI322042B TWI322042B (en) | 2010-03-21 |
Family
ID=45073906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW93121244A TWI322042B (en) | 2004-07-16 | 2004-07-16 | Method and apparatus for producing film from polymer solution, and optical polymer film |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI322042B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI464055B (en) * | 2011-11-07 | 2014-12-11 | Creating Nano Technologies Inc | Method for manufacturing film |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5384582B2 (en) * | 2011-08-23 | 2014-01-08 | 富士フイルム株式会社 | Device and method for controlling band position of solution casting equipment and solution casting method |
| TWI757914B (en) * | 2020-10-14 | 2022-03-11 | 台灣積體電路製造股份有限公司 | Liquid supplying system and liquid supplying method |
-
2004
- 2004-07-16 TW TW93121244A patent/TWI322042B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI464055B (en) * | 2011-11-07 | 2014-12-11 | Creating Nano Technologies Inc | Method for manufacturing film |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI322042B (en) | 2010-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |