| 发明名称 | Polyethylene terephthalate composition, manufacturing method therefor, and polyethylene terephthalate film | ||
| 摘要 | A polyethylene terephthalate composition includes a copolymer component having at least 3 functional groups in an amount of 0.01 mol % to 1.00 mol % with respect to ethylene terephthalate units, in which a ratio (Mw/Mn) between the weight average molecular weight and number average molecular weight of the polyethylene terephthalate composition is 5.0 to 8.0; an alkali metal compound in an amount of 1.0 mol/ton to 3.0 mol/ton in terms of alkali metal element; a phosphorus compound in an amount of 1.5 mol/ton to 5.0 mol/ton in terms of elemental phosphorus; and an o-chlorophenol insoluble matter in an amount of less than 0.5 wt %. | ||
| 申请公布号 | US9056956(B2) | 申请公布日期 | 2015.06.16 |
| 申请号 | US201013503406 | 申请日期 | 2010.08.31 |
| 申请人 | Toray Industries, Inc. | 发明人 | Kojima Hiroji;Sakamoto Jun;Dan Koichi;Aoyama Shigeru |
| 分类号 | C08J5/18;C08G63/20;C08G63/692;H01L31/049 | 主分类号 | C08J5/18 |
| 代理机构 | DLA Piper LLP (US) | 代理人 | DLA Piper LLP (US) |
| 主权项 | 1. A polyethylene terephthalate composition comprising: a copolymer component having at least 3 functional groups in an amount of 0.01 mol % to 1.00 mol % with respect to ethylene terephthalate units, in which a ratio (Mw/Mn) between the weight average molecular weight and number average molecular weight of said polyethylene terephthalate composition is 5.0 to 8.0; an alkali metal compound in an amount of 1.0 mol/ton to 3.0 mol/ton in terms of alkali metal element; a phosphorus compound in an amount of 1.5 mol/ton to 5.0 mol/ton in terms of elemental phosphorus; and an o-chlorophenol insoluble matter in an amount of less than 0.5 wt %. | ||
| 地址 | JP | ||