Title:
生分解性ポリエステルフィルムの製造方法
Document Type and Number:
Japanese Patent JP7011647
Kind Code:
B2
Abstract:
Provided is a method with which a biodegradable polyester film containing polyhydroxyalkanoate can be stably produced by film blowing under practical processing conditions. A method for producing a biodegradable polyester film containing a biodegradable aliphatic polyester (A) and a fatty acid amide (B) by film blowing, the biodegradable aliphatic polyester (A) containing polyhydroxyalkanoate, the method including: a step (I) of dry-blending the biodegradable aliphatic polyester (A) with a masterbatch containing the fatty acid amide (B) and a base material resin; and a step (II) of subjecting the mixture obtained in the step (I) to film blowing.
Inventors:
Ryohei Koyama
Application Number:
JP2019509992A
Publication Date:
January 26, 2022
Filing Date:
March 28, 2018
Export Citation:
Assignee:
Kaneka Corporation
International Classes:
C08J5/18; C08J3/22
Domestic Patent References:
| JP2007277383A | ||||
| JP2007056051A | ||||
| JP2004308016A |
Foreign References:
| US20130029124 | ||||
| WO2010118041A1 | ||||
| WO2007046174A1 |
Attorney, Agent or Firm:
Aiko Patent Office, a patent business corporation