| 发明名称 |
Biodegradable aliphatic polyester, melt-extrusion film thereof, and process for the production thereof |
| 摘要 |
<p>Biodegradable aliphatic polyester particles, processes for producing the particles and melt-extrusion films comprising the polyester wherein at least 70% by weight of the particles have a diameter of from 150 mu m to 3mm and wherein the particles: (a) contain a recurring unit of the formula (1) <CHEM> as a main recurring unit and have a weight average molecular weight of from 20,000 to 2,000,000; and (b) have a bulk specific gravity of from 0.3 to 0.6 g/ml.</p> |
| 申请公布号 |
EP0688806(B1) |
申请公布日期 |
1999.12.22 |
| 申请号 |
EP19950302863 |
申请日期 |
1995.04.27 |
| 申请人 |
TOKUYAMA CORPORATION |
发明人 |
NISIDA, HARUO, C/O TOKUYAMA CORP.;YAMASHITA, MITSUHIRO, C/O TOKUYAMA CORP.;HATTORI, NORIKAZU, C/O TOKUYAMA CORP.;OCHI, YOSHIKI, C/O TOKUYAMA CORP.;KUWAKI, TETSUO, C/O TOKUYAMA CORP. |
| 分类号 |
B29C47/00;B29K67/00;B29L7/00;C08G63/08;C08G63/82;C08J5/18;C08L101/16;(IPC1-7):C08G63/08 |
主分类号 |
B29C47/00 |
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