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Citation: DONG Yanlei, CHEN Lijie, QIN Yusheng, WANG Xianhong, ZHAO Xiaojiang, WANG Fosong. Effect of Linear Poly(ester amide) on Properties of Blends with Poly(propylene carbonate)[J]. Chinese Journal of Applied Chemistry, ;2012, 29(10): 1107-1110. doi: 10.3724/SP.J.1095.2012.00487 shu

Effect of Linear Poly(ester amide) on Properties of Blends with Poly(propylene carbonate)

1.
a Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
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b Graduate School of Chinese Academy of Sciences, Beijing 100049, China;
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c Chinese Academy of Sciences, Beijing 100864, China

Corresponding author: WANG Xianhong,
Received Date: 2 November 2011
Available Online: 10 January 2012
Fund Project: 国家自然科学基金(51021003) (51021003)863(2011AA030103)资助项目 (2011AA030103)

Linear poly(ester amide)(PEA) with ester segment mass content of 81% was synthesized from ε-caprolactone and 6-aminocaproic acid by ring-opening polymerization and melt polycondensation,which was a kind of biodegradable copolymer with excellent thermal stability and great mechanical properties.Biodegradable polyblends of PEA with poly(propylene carbonate)(PPC) were prepared by melt blending.The effect of PEA content on miscibility,thermal properties and mechanical properties of the blends was investigated.PEA was found to be miscible with PPC and the thermal stability of the blend was significantly improved compared with pure PPC.When the mass ratio of PEA was 3% mass fraction,the temperatures of 5% mass loss(T_-5%) and maximum mass loss rate(T_max) were improved by 52.7% and 46.4%,respectively.Moreover,the mechanical properties of the corresponding blends were improved most remarkably,reinforcing and toughening of PPC were achieved simultaneously.
- poly(propylene carbonate),
- linear poly(ester amide),
- blend,
- thermal property,
- reinforcing,
- toughening
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