BIODEGRADABLE RESIN AND METHOD FOR MANUFACTURING SAME |
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| 申请号 | EP11857504 | 申请日 | 2011-04-29 | 公开(公告)号 | EP2671899A4 | 公开(公告)日 | 2014-08-06 |
| 申请人 | SAMSUNG FINE CHEMICALS CO LTD; S ENPOL CO LTD; | 发明人 | KANG GYUNG DON; YUN KI CHULL; CHUN JONG PIL; AHN JI SOO; KIM YE JIN; KIM SEI HOON; HONG SEONG YONG; PARK SUNG BAE; | ||||
| 摘要 | Provided is a biodegradable resin including a urethane bond generated by a reaction of a polyester polymer with a polyvalent isocyanate used as a chain extender. Particularly, provided is a method of preparing a biodegradable resin using a limited amount of the chain extender and having excellent properties, and a biodegradable resin in which nitrogen content is controlled. Therefore, the biodegradable resin which can reduce the use of a harmful component to the human body and environment in the process of preparing the biodegradable resin and can be safely used for packing materials for food or medicine is provided. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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