JPS6456743A - Production of biaxially drawn polyester film - Google Patents
Production of biaxially drawn polyester filmInfo
- Publication number
- JPS6456743A JPS6456743A JP21244487A JP21244487A JPS6456743A JP S6456743 A JPS6456743 A JP S6456743A JP 21244487 A JP21244487 A JP 21244487A JP 21244487 A JP21244487 A JP 21244487A JP S6456743 A JPS6456743 A JP S6456743A
- Authority
- JP
- Japan
- Prior art keywords
- film
- dicarboxylic acid
- polyester film
- coated
- production
- 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.)
- Pending
Links
Abstract
PURPOSE:To obtain the titled film having high transparency as well as slipperiness and excellent high-temperature blocking resistance, by coating a surface of a polyester film with an aqueous dispersion containing a specific polyester copolymer and colloidal silica and drawing the coated film. CONSTITUTION:At least one surface of an undrawn or uniaxially drawn polyester film is coated with an aqueous dispersion containing (A) 100pts.wt. of a water-dispersible polyester copolymer derived from (i) a dicarboxylic acid component consisting of 0.5-15mol.% of a dicarboxylic acid having a metal sulfonate base and 99.5-85mol.% of a dicarboxylic acid free from metal sulfonate base and (ii) a glycol component and (B) 60-120pts.wt. of colloidal silica having an average particle diameter of 3-70mmu. The coated film is biaxially or uniaxially drawn to obtain the objective film.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21244487A JPS6456743A (en) | 1987-08-26 | 1987-08-26 | Production of biaxially drawn polyester film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21244487A JPS6456743A (en) | 1987-08-26 | 1987-08-26 | Production of biaxially drawn polyester film |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6456743A true JPS6456743A (en) | 1989-03-03 |
Family
ID=16622714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21244487A Pending JPS6456743A (en) | 1987-08-26 | 1987-08-26 | Production of biaxially drawn polyester film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6456743A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001187837A (en) * | 1999-11-26 | 2001-07-10 | Eastman Chem Co | Water-dispersible film and fiber based on sulfopolyester |
-
1987
- 1987-08-26 JP JP21244487A patent/JPS6456743A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001187837A (en) * | 1999-11-26 | 2001-07-10 | Eastman Chem Co | Water-dispersible film and fiber based on sulfopolyester |
EP1103578A3 (en) * | 1999-11-26 | 2001-11-14 | Eastman Chemical Company | Water-dispersible films and fibers based on sulfopolyesters |
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