Title:
マスターバッチ用ポリエステル組成物、フィルム用ポリエステル組成物、及びポリエステルフィルム
Document Type and Number:
Japanese Patent JP6822144
Kind Code:
B2
Abstract:
The present invention is a polyester composition for master batches, which contains prescribed amounts of: a polyester having a dicarboxylic acid component and a glycol component as constituents; a magnesium compound; an alkali metal compound; a specific phosphorous compound; and a lubricant, and which has a sufficiently low melt resistivity and is excellent in hue and thermal stability. Adding this polyester composition for master batches enables enhancing of electrostatic adhesion to a cooling drum so as to improve film formation properties, and imparting of optimum slippage, thereby providing a polyester film that also has excellent quality.
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Inventors:
Sho Hayashi
Satoru Nakagawa
Hideto Ohashi
Satoru Nakagawa
Hideto Ohashi
Application Number:
JP2016563861A
Publication Date:
January 27, 2021
Filing Date:
October 04, 2016
Export Citation:
Assignee:
Toyobo Co., Ltd.
International Classes:
C08L67/02; C08G63/16; C08J3/22; C08K3/013
Domestic Patent References:
| JP2003165832A | ||||
| JP59214618A | ||||
| JP59227927A | ||||
| JP2008201822A | ||||
| JP2006249213A |
Foreign References:
| WO2015159771A1 |