| 发明名称 |
BIAXIALLY STRETCHED POLYESTER FILM AND METHOD FOR PRODUCING SAME, AND OPTICAL SHEET |
| 摘要 |
Disclosed is a biaxially stretched polyester film containing an antimony compound as a catalyst component, and a magnesium compound and a phosphorus compound as additives, in which an amount of metal antimony included in residues on a membrane filter having an average pore diameter of 0.1 μm, after a solution in which 1 g of the biaxially stretched polyester is dissolved in 5 ml of hexafluoroisopropanol is filtered by the filter, is greater than 1 mg per 1 kg and less than or equal to 100 mg per 1 kg of the biaxially stretched polyester. |
| 申请公布号 |
US2016130415(A1) |
申请公布日期 |
2016.05.12 |
| 申请号 |
US201615001253 |
申请日期 |
2016.01.20 |
| 申请人 |
FUJIFILM Corporation |
发明人 |
MIYASAKA Rei |
| 分类号 |
C08J5/18;C09J7/02;B29C47/00;C08K5/521 |
主分类号 |
C08J5/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A biaxially stretched polyester film containing an antimony compound as a catalyst component, and a magnesium compound and a phosphorus compound as additives,
wherein an amount of metal antimony included in residues on a membrane filter having an average pore diameter of 0.1 μm, after a solution in which 1 g of the biaxially stretched polyester is dissolved in 5 ml of hexafluoroisopropanol is filtered by the filter, is greater than 1 mg per 1 kg and less than or equal to 100 mg per 1 kg of the biaxially stretched polyester. |
| 地址 |
Tokyo JP |
