Invention Grant
US08716398B2 Method for preparing biodegradable polymer stereocomplexes using a supercritical fluid-organic solvent system and stereocomplexes prepared by the same
有权
使用超临界流体 - 有机溶剂系统制备可生物降解的聚合物立体络合物的方法和由其制备的立体络合物
- Patent Title: Method for preparing biodegradable polymer stereocomplexes using a supercritical fluid-organic solvent system and stereocomplexes prepared by the same
- Patent Title (中): 使用超临界流体 - 有机溶剂系统制备可生物降解的聚合物立体络合物的方法和由其制备的立体络合物
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Application No.: US12948621Application Date: 2010-11-17
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Publication No.: US08716398B2Publication Date: 2014-05-06
- Inventor: Soo Hyun Kim , Young Mee Jung , Sang-Heon Kim , Purnama Purba
- Applicant: Soo Hyun Kim , Young Mee Jung , Sang-Heon Kim , Purnama Purba
- Applicant Address: KR Seoul
- Assignee: Korea Institute of Science and Technology
- Current Assignee: Korea Institute of Science and Technology
- Current Assignee Address: KR Seoul
- Agency: Ladas & Parry LLP
- Priority: KR10-2010-0013353 20100212
- Main IPC: C08F290/14
- IPC: C08F290/14 ; C08F283/04 ; C08G63/91 ; C08G65/32 ; C08L67/00 ; C08L71/00 ; C08J9/00 ; C08J9/12
Abstract:
The present invention relates to methods for preparing biodegradable polymer stereocomplexes using a supercritical fluid-organic solvent system and polymer stereocomplexes prepared by such methods. The method of the present invention involves introducing two types of homopolymers having different stereostructures and a small amount of organic solvent into a reactor, adding a supercritical fluid thereto, followed by applying a specific temperature and pressure to form a polymer stereocomplex having a crystalline structure. According to the method of the present invention, biodegradable polymer stereocomplexes in the form of powder or porous foam having excellent thermal and mechanical stabilities can be prepared in a simple, economical and environmentally-friendly manner in a single process.
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