Thermal decomposition kinetics of wood/rubber/HDPE composites

doi:10.3969/j.issn.1000-2006.2014.06.026

JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2014, Vol. 38 ›› Issue (06): 135-140.doi: 10.3969/j.issn.1000-2006.2014.06.026

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Thermal decomposition kinetics of wood/rubber/HDPE composites

CHEN Ling¹,HUANG Runzhou¹,LIU Xiujuan¹,ZHOU Bingliang¹,XU Xinwu^1*, WU Qinglin²,YANG Xun³, SHEN Jinxiang³

1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
2. Forest Products Lab, Louisiana State University, Louisiana 70803, USA;
3. Dehua Tubaobao Institute of Decoration Materials, Deqing 313200, China

Online:2014-12-31 Published:2014-12-31

Abstract

Abstract: Wood-waste rubber-HDPE composites(WRPC)were made with different rubber content. Thermogravimetric analysis(TGA)method was applied to investigate the thermal decomposition kinetics of wood flour, HDPE, waste rubber, WPC, and WRPC. The corresponding apparent activation energy(AAE)values were calculated with the Flynn-Wall-Ozawa model. The results showed that WRPCs have two weight loss stages at 230-380 ℃ and 430-580 ℃ due to thermal decomposition of wood/rubber and HDPE, respectively. The AAE values for wood, waste rubber, HDPE were 179.2, 243.8, 246.8 kJ/mol, respectively, while 239.3 kJ/mol for WPC. Decreased AAE values were found for WRPCs, i.e., 200.3-208.4 kJ/mol. It's concluded that the three raw materials, i.e., wood, rubber, and HDPE, synergistically react in WRPC decomposition process, and rubber addition content has evident influence on the thermal decomposition behaviors of WRPC.

CLC Number:

TQ325

CHEN Ling,HUANG Runzhou,LIU Xiujuan,ZHOU Bingliang,XU Xinwu, WU Qinglin,YANG Xun, SHEN Jinxiang. Thermal decomposition kinetics of wood/rubber/HDPE composites[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY, 2014, 38(06): 135-140.

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Thermal decomposition kinetics of wood/rubber/HDPE composites

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