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首页> 外文期刊>Journal of Polymers and the Environment >Injection-Molded Bioblends from Lignin and Biodegradable Polymers: Processing and Performance Evaluation
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Injection-Molded Bioblends from Lignin and Biodegradable Polymers: Processing and Performance Evaluation

机译：木质素和可生物降解聚合物的注塑生物共混物：加工和性能评估

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摘要

This paper investigates the effects of the incorporation of lignin and small quantities of epoxidized natural rubber (ENR) as an impact modifying agent on blends of poly(3-hydroxybutyrate- co -3-hydroxyvalerate) (PHBV) and poly(ε-caprolactone) (PCL). The addition of lignin resulted in a slight improvement of flexural strength and modulus of the ternary blending system. Incorporation of ENR into the blend resulted in an increase in notched Izod impact strength from 40 to 135% depending on the concentration of ENR. The addition of lignin into the blend resulted in an improvement of thermal stability of the ternary blend system. Morphological analysis showed a good dispersion of PHBV phases and lignin within the PCL matrix. Rheological characterization revealed that the presence of lignin resulted in increased storage modulus of the bioblend.
机译：本文研究了掺入木质素和少量环氧化天然橡胶（ENR）作为抗冲改性剂对聚（3-羟基丁酸酯-co-3-羟基戊酸酯）（PHBV）和聚（ε-己内酯）的共混物的影响（PCL）。木质素的加入导致三元共混体系的弯曲强度和模量略有改善。将ENR掺入共混物中，根据ENR的浓度，缺口悬臂梁式冲击强度从40％增至135％。将木质素添加到共混物中导致三元共混体系的热稳定性提高。形态分析表明，PHBV相和木质素在PCL基质中具有良好的分散性。流变学特征表明木质素的存在导致生物混合物的储能模量增加。

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  • 来源
    《Journal of Polymers and the Environment》 |2018年第6期|2360-2373|共14页
  • 作者

    Ben Adams; Mohamed Abdelwahab; Manjusri Misra; Amar K. Mohanty;

  • 作者单位

    School of Engineering, Thornbrough Building, University of Guelph,Bioproducts Discovery and Development Centre, Department of Plant Agriculture, Crop Science Building, University of Guelph;

    Bioproducts Discovery and Development Centre, Department of Plant Agriculture, Crop Science Building, University of Guelph;

    School of Engineering, Thornbrough Building, University of Guelph,Bioproducts Discovery and Development Centre, Department of Plant Agriculture, Crop Science Building, University of Guelph;

    School of Engineering, Thornbrough Building, University of Guelph,Bioproducts Discovery and Development Centre, Department of Plant Agriculture, Crop Science Building, University of Guelph;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Bioplastic; Lignin; Epoxidized natural rubber; Toughened; Bioeconomy;

    机译：生物塑料;木质素;环氧天然橡胶;增韧;生物经济;

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