Title:
生分解性多層フィルム
Document Type and Number:
Japanese Patent JP4619127
Kind Code:
B2
Abstract:
A co-extruded multilayer film comprises a modified thermoplastic starch blend layer containing above 1-10 wt.% water; and a layer of a biodegradable polyester, the layer (A) being free of polyhydroxyalkanoate copolymers consisting of >=2 specified repeat units. A co-extruded multilayer film comprises a modified thermoplastic starch blend layer containing above 1-10 wt.% water; and a layer of a biodegradable polyester, the layer (A) being free of polyhydroxyalkanoate copolymers consisting of >=2 repeat units of formula (I) and of formula (I) and/or (III). [Image] R 1>H or 1 or 2C alkyl; R 2> = 3-19 alkyl or alkenyl; n : 1 or 2; and m : 2-9. An independent claim is also claimed for production of the multilayer film by co-extrusion with the layers having similar melt and viscosity properties and layer (A) containing 1-10 wt.% water.
Inventors:
Berger Werner
De Jong Fritz Peter Eduard Anton
De Jong Fritz Peter Eduard Anton
Application Number:
JP2004557811A
Publication Date:
January 26, 2011
Filing Date:
December 09, 2003
Export Citation:
Assignee:
Biop Biopolymer Technologies Actien Gezelshaft
International Classes:
B32B27/36; B29C48/08; B29C48/10; B29C55/02; B32B9/02; B32B27/06; B65D65/46; C08J5/18; C08L101/16
Domestic Patent References:
| JP7285192A | ||||
| JP2000509427A | ||||
| JP2004506773A | ||||
| JP2005507018A |
Attorney, Agent or Firm:
Mitsufumi Esaki
Tsuneo Mihara
Blacksmith
Tsuneo Mihara
Blacksmith