Title:
ANTISTATIC POLYESTER FILM
Document Type and Number:
Japanese Patent JP3443469
Kind Code:
B2
Abstract:
PURPOSE: To obtain a white polyester film having excellent adhesive property and antistatic property by incorporating specified amounts of specified resin and polymer in a coating layer, respectively.
CONSTITUTION: This biaxial-stretching white polyester film contains 3-20wt.% of titanium dioxide particles with the average particle size of 0.20-0.50μm and 0.1-2wt.% of inert inorganic particles with the average particle size of 1.0-5.0μm, has a coating layer with the thickness of 0.02-0.5μm on at least one surface, and has the thickness of 20-300μm, which satisfies OD≥0.6b≤1.0 [OD is a concealing degree and (b) is a (b) value in JISZ-8722] at the same time. The applied layer contains (1) 50-90weight% of resin having phosphoric acid group, (2) 5-45wt.% of at least one kind of resin selected among acrylic-based resin, polyester-based resin and polyurethane-based resin and (3) 5-45wt.% of polymer having oxazoline group. Thus, the antistatic white polyester film having the excellent adhesive property can be obtained.
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Inventors:
Kazuo Endo
Yuzo Ohtani
Yuzo Ohtani
Application Number:
JP31664794A
Publication Date:
September 02, 2003
Filing Date:
December 20, 1994
Export Citation:
Assignee:
Mitsubishi Polyester Film Co., Ltd.
International Classes:
B32B9/00; B29C55/12; B32B27/18; B32B27/20; B32B27/36; C01G23/047; C08J7/04; B29K33/00; B29K67/00; B29K75/00; B29L9/00; (IPC1-7): B32B27/36; B32B27/18; B32B27/20; C08J7/04
Domestic Patent References:
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| JP7329264A | ||||
| JP299537A | ||||
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| JP673214A | ||||
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| JP5326874A | ||||
| JP5135345A | ||||
| JP260941A | ||||
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| JP5295275A |
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