Characteristics of starch-filled LLDPE plastic processed from plastic waste
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Publication Details
Author list: Komasatitaya J., Luangsa-Ard N., Techavuthiporn C.
Publisher: Taylor and Francis Group
Publication year: 2012
Volume number: 35
Issue number: 1
Start page: 45
End page: 50
Number of pages: 6
ISSN: 0253-3839
eISSN: 2158-7299
Languages: English-Great Britain (EN-GB)
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Abstract
In this study, rice starch-filled linear low-density polyethylene (LLDPE) was prepared by twin screw extrusion. The rice starch was blended in a virgin grade LLDPE and two kinds of recycled LLDPE using citric acid as a compatibilizer. It was found that the maximum content of rice starch blended into LLDPEs could not be more than 3 wt%. The ratios of starch to citric acid were 1 : 1 for extruded samples. The starch increased the melt flow index (MFI) of LLDPE, but tended to decrease the MFI of recycled LLDPE. Tensile strength and elongation at break of the LLDPE (common recycle grade) when blended with starch at 1wt% were less by 8.2% and 9% than those of neat recycled LLDPE, respectively. Tensile strength and elongation at break of the deinked-recycled LLDPE when blended with starch at 1wt% were less by 9.5% and 26% than those of neat deinked-recycled LLDPE, respectively. ฉ 2012 The Chinese Institute of Engineers.
Keywords
LLDPE, Plastic
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