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Patent Searching and Data


Title:
POLYLACTIC ACID FILM AND LAMINATE USING IT
Document Type and Number:
Japanese Patent JP2004256795
Kind Code:
A
Abstract:

To provide a film having excellent hand-cutting properties, in particular one having good transparency which is suitably applicable to an easy-openable packaging material for foodstuffs, medicines, etc., to provide an adhesive tape having excellent hand-cutting properties, and to provide, in addition, a material which is favorable in sanitation from the aspect of having a fungicidal property, antibacterial activity and the like.

The film is a polylactic acid film wherein haze is ≤20%, a melting point is ≥150°C and the value of breaking strength (MPa)×thickness (μm) is in the range of 100-2,100. A laminate comprising at least two layers consisting of a layer A composed of the polylactic acid film and a sealant layer (layer B), and having 50-700 g tear starting strength, is also provided. The packaging film and the adhesive tape are obtained by using the polylactic acid film.


Inventors:
Yamane, Nobuhisa
Mizuno, Toshiyuki
Niizawa, Masayuki
Application Number:
JP2004000011731
Publication Date:
September 16, 2004
Filing Date:
January 20, 2004
Export Citation:
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Assignee:
TORAY IND INC
International Classes:
B65D65/46; B32B27/36; C08J5/18; C08L101/16; C09J7/02; C09J201/00; (IPC1-7): C08J5/18; B32B27/36; B65D65/46; C09J7/02; C09J201/00