| 发明名称 |
BIAXIALLY STRETCHED POLYESTER FILM AND METHOD FOR PRODUCING SAME |
| 摘要 |
It is provided that a biaxially stretched polyester film suitable for uses for which nylon films and other flexible films have conventionally been used and a method for producing the film. A biaxially stretched polyester film made of a polyester resin composition (A) containing not less than 60 mass % of polybutylene terephthalate and having yield stress in a MD of not more than 70 MPa, yield stress in a TD of not more than 70 MPa, rupture strength in the MD of not less than 160 MPa, rupture strength in the TD of not less than 160 MPa, and rupture elongation in the MD and TD of not less than 100%. |
| 申请公布号 |
US2015299406(A1) |
申请公布日期 |
2015.10.22 |
| 申请号 |
US201314442769 |
申请日期 |
2013.11.08 |
| 申请人 |
TOYOBO CO., LTD. |
发明人 |
GOTOU Takamichi;SHIMIZU Toshiyuki;NAKAYA Tadashi;IKEHATA Yoshitomo |
| 分类号 |
C08J5/18;B29C55/14;B29D7/01;B29C55/02 |
主分类号 |
C08J5/18 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A biaxially stretched polyester film made of a polyester resin composition (A) containing not less than 60 mass % of polybutylene terephthalate and having yield stress in a MD of not more than 70 MPa, yield stress in a TD of not more than 70 MPa, rupture strength in the MD of not less than 160 MPa, rupture strength in the TD of not less than 160 MPa, and rupture elongation in the MD and TD of not less than 100%. |
| 地址 |
Osaka JP |
