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Characterizing co-continuous morphology development in miscible polylactic acid / polyvinyl alcohol biodegradable blends

  • Jun Peng*
  • , Yi Yan Peng
  • , Lih Sheng Turng
  • , Xiang Fang Peng
  • , Xiao Fei Sun
  • *此作品的通信作者
  • South China University of Technology
  • University of Wisconsin-Madison

研究成果: 圖書/報告稿件的類型 › 會議稿件 › 同行評審

摘要

Targeted for tissue engineering scaffold applications, biodegradable polylactic acid (PLA) and water-soluble polyvinyl alcohol (PVA) resins were employed to produce miscible blends by means of melt blending in a thermokinetic mixer (K-mixer). Different volume fractions of PLA and PVA were melt mixed. After water leaching (extraction) of the sacrificial PVA domains, co-continuous morphology development of the blend systems was investigated via scanning electron microscopy (SEM). The dimensions of the voids occupied by PVA in the blends were measured using an image analysis tool. In addition, the miscibility of these blends was evaluated by thermal characteristic measurements using a differential scanning calorimeter (DSC). It was shown that the continuity development and microstructure features of PLA/PVA blends were dependent on the component composition and the miscibility.

原文英語
主出版物標題68th Annual Technical Conference of the Society of Plastics Engineers 2010, ANTEC 2010
頁面841-845
頁數5
出版狀態已出版 - 2010
對外發佈是
事件68th Annual Technical Conference of the Society of Plastics Engineers 2010, ANTEC 2010 - Orlando, FL, 美國
持續時間: 16 05 2010 → 20 05 2010

出版系列

名字Annual Technical Conference - ANTEC, Conference Proceedings
卷2

Conference

Conference68th Annual Technical Conference of the Society of Plastics Engineers 2010, ANTEC 2010
國家/地區美國
城市Orlando, FL
期間16/05/10 → 20/05/10

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