Citation: LICHEN Haoyang, CUI Xihua, JIANG Wei, CHEN Bin. Preparation and Properties of the Poly(propylene carbonate)/Straw Flour Composites Compatibilized with Chlorided Poly(propylene carbonate)[J]. Chinese Journal of Applied Chemistry, ;2017, 34(7): 744-748. doi: 10.11944/j.issn.1000-0518.2017.07.160418 shu

Preparation and Properties of the Poly(propylene carbonate)/Straw Flour Composites Compatibilized with Chlorided Poly(propylene carbonate)

LICHEN Haoyang ^a ,
CUI Xihua ^b ,
JIANG Wei ^b ,
CHEN Bin ^a,*,,

a.
School of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, China
b.
State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China

Corresponding author: CHEN Bin, bchen63@163.com
Received Date: 18 October 2016
Revised Date: 4 November 2016
Accepted Date: 29 December 2017

Fund Project: the National Natural Science Foundation of China 51673195

Figures(4)

Poly(propylene carbonate)(PPC) is a new thermoplastic biodegradable material. However, its poor thermal and mechanical properties prevent its application in many fields. In corporation the straw flour, a by-product of agricultural products, into PPC is expected to enhance the mechanical properties of PPC and at the same time to find a way to make comprehensive use of straw resources. Chlorided poly(propylene carbonate)(CPPC), which was prepared by chlorination of PPC, possesses good wetting and adhering abilities on the surface of nature fibers. In this study, the PPC/straw flour composites compatibilized with CPPC were prepared by melt blending. The composites are characterized by scanning electron microscopy(SEM), tensile test, dynamic mechanical analysis(DMA) and rotational rheometer, focusing on the effect of CPPC contents on the mechanical and rheological properties of the composites. The results indicate that the tensile strength is increased by 38% for the 70/30 mass ratio of PPC to straw flour composites when 1.8%(mass fraction) CPPC is added. Moreover, the viscosity of the composite decreases with the introduction of CPPC and the processing property is improved accordingly. As a consequence, CPPC as compatibilizer provides a new way to prepare high performance PPC/natural fiber composites.
- poly(propylene carbonate),
- straw,
- chlorided poly(propylene carbonate),
- composites,
- mechanical properties
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142