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PLA、PPC或PBAT与2次改性小麦秸秆全降解复合材料的力学性能与生态风险

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周鑫, 韩耀霞, 邓仕槐, 王莉淋, 张静, 张蓝月, 陈红春, 李金阳, 李瑶, 张雅琪, 陈亭微. PLA、PPC或PBAT与2次改性小麦秸秆全降解复合材料的力学性能与生态风险[J]. 环境工程学报, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
引用本文: 周鑫, 韩耀霞, 邓仕槐, 王莉淋, 张静, 张蓝月, 陈红春, 李金阳, 李瑶, 张雅琪, 陈亭微. PLA、PPC或PBAT与2次改性小麦秸秆全降解复合材料的力学性能与生态风险[J]. 环境工程学报, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
shu
ZHOU Xin, HAN Yaoxia, DENG Shihuai, WANG Lilin, ZHANG Jing, ZHANG Lanyue, CHEN Hongchun, LI Jinyang, LI Yao, ZHANG Yaqi, CHEN Tingwei. Mechanical properties and ecological risk of degradable composites based on twice modified wheat straw fiber and PLA, PPC or PBAT[J]. Chinese Journal of Environmental Engineering, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
Citation: ZHOU Xin, HAN Yaoxia, DENG Shihuai, WANG Lilin, ZHANG Jing, ZHANG Lanyue, CHEN Hongchun, LI Jinyang, LI Yao, ZHANG Yaqi, CHEN Tingwei. Mechanical properties and ecological risk of degradable composites based on twice modified wheat straw fiber and PLA, PPC or PBAT[J]. Chinese Journal of Environmental Engineering, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
shu

PLA、PPC或PBAT与2次改性小麦秸秆全降解复合材料的力学性能与生态风险

  • 1.

    四川农业大学环境学院, 成都 611130

  • 基金项目:

    四川省青年科技创新团队项目（2014TD0019）

  • 中图分类号: X712

Mechanical properties and ecological risk of degradable composites based on twice modified wheat straw fiber and PLA, PPC or PBAT

  • 1.

    College of Environmental Sciences, Sichuan Agricultural University, Chengdu 611130, China

  • Fund Project:

  • 摘要: 制作复合材料是小麦秸秆资源化利用的有效途径之一。小麦秸秆的改性处理对制成的复合材料力学性能有很大影响，且不同的基体材料与小麦秸秆制成的复合材料性能也有所不同。以聚乳酸（PLA）、聚碳酸亚丙酯（PPC）、聚己二酸（PBAT）为基体材料，分别以改性前或碱处理及偶联剂方法2次改性后的小麦秸秆纤维为增强材料，采用压缩成型工艺制备了6种全降解复合材料，并对制成的6种复合材料进行了力学性能测试与比对；分析了3种改性后小麦秸秆制成的全降解复合材料的降解性能，并通过种子发芽实验研究了它们的浸提液的潜在生态风险。结果表明，2次改性小麦秸秆与基体材料制成的复合材料，其力学性能较原始秸秆与基体材料制成的复合材料有明显的增强，其拉伸、弯曲、冲击强度均有20%~50%的提升。3种可降解材料降解率由大到小的顺序为：PLA全降解复合材料 > PBAT全降解复合材料 > PPC全降解复合材料。质量分数1%的3种全降解复合材料浸提液对种子发芽过程基本不造成影响。
    Abstract: Producing composite materials is one of the effective ways for the utilization of wheat straw. Modification of wheat straw as well as different matrix materials greatly influences the mechanical properties of the composites. In the present study, poly lactic acid (PLA), poly propylene carbonate (PPC), poly adipic acid (PBAT) were taken as matrix materials, and were mixed with modified or unmodified wheat straw fiber as reinforcing material. By compression molding, 6 kinds of fully biodegradable composites were prepared, the mechanical properties (such as tensile, bending and impact strength) of the 6 composites were tested and compared. The degradation properties of composite materials based on modified straw fiber were analyzed, and the potential risk of the composites were investigated by seed germination. The results showed that the mechanical properties of composite materials which were made of twice modified wheat straw and matrix materials was obviously enhanced compared with those made of unmodified wheat straw and matrix materials. Tensile, bending and impact strength of the former increased from 20% to 50% compared with those of the latter. The composites degradation rates decreased in the following order:PLA degradable composites > PBAT degradable composites > PPC degradable composites. The extract liquid of these fully degradable composites with a mass fraction of 1% will almost not affect the germination of seeds.
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  • [1] 苏保全, 张胜利. 发酵饲草生产技术及应用[J]. 中国畜牧业,2016(17):52-53
    [2] 朱立志, 冯伟, 邱君. 秸秆产业的国外经验与中国的发展路径[J]. 世界农业,2013(3):114-117
    [3] ZHANG Y, ZANG G Q, TANG Z H, et al. Burning straw, air pollution, and respiratory infections in China[J]. American Journal of Infection Control,2014,42(7):815-815
    [4] 范玉侠. 小麦秸秆还田分析[J]. 农业开发与装备,2015(1):30
    [5] MENG L, LI W, ZHANG S, et al. Feasibility of co-composting of sewage sludge, spent mushroom substrate and wheat straw[J]. Bioresource Technology,2017,226:39-45
    [6] 徐晓娟, 卢立新, 王立军, 等. 农作物秸秆废弃物材料化利用现状及发展[J]. 包装工程,2017(1):156-162
    [7] 王晓燕, 胡晨光, 封孝信, 等. 改性小麦秸秆/水泥复合材料的强度[J]. 材料科学与工程学报,2017,35(1):139-143
    [8] 强琪, 张敏, 徐丹, 等. 纤维改性对小麦秸秆纤维/PBS复合材料性能的影响[J]. 塑料科技,2013,41(1):78-83
    [9] 司丹鸽, 葛正浩, 韩啸宇, 等. 秸秆粉/聚乳酸生物降解木塑复合材料压制成型工艺及性能[J]. 塑料,2016,45(1):115-117
    [10] BEDERINA M, BELHADJ B, AMMARI M S, et al. Improvement of the properties of a sand concrete containing barley straws-treatment of the barley straws[J]. Construction & Building Materials,2016,115:464-477
    [11] YAACAB N D, ISMAIL H, TING S S. Potential use of paddy straw as filler in poly lactic acid/paddy straw powder biocomposite:Thermal and thermal properties[J]. Procedia Chemistry,2016,19:757-762
    [12] JIANG H, ZHANG Y, WANG X F. Effect of lipases on the surface properties of wheat straw[J]. Industrial Crops & Products,2009,30(2):304-310
    [13] 刘军军. 稻麦秸秆和淀粉制备复合材料研究[D]. 南京:南京农业大学,2012
    [14] 姜海天. 小麦秸秆表面功能化改性对淀粉塑料性能的影响[D]. 南京:南京林业大学,2015
    [15] 刘飞虹. 预处理玉米秸秆皮纤维/高密度聚乙烯复合材料性能的研究[D]. 哈尔滨:东北林业大学,2015
    [16] RAJA G K P, RAJKUMAR M. Analysis of mechanical properties in zea mays straw fiber composites[J]. Applied Mechanics & Materials,2014,592-594:67-71
    [17] 李晓燕, 陈清松, 丁富传,等. PE-HD/热处理秸秆复合材料的制备及性能研究[J]. 中国塑料,2015,29(3):33-37
    [18] 刘晓伟, 何文清, 吕军, 等. 不同材料的可降解地膜对土壤温度、水分、盐分及棉花产量的影响[J]. 陕西农业科学,2016,62(3):52-56
    [19] 颜祥禹, 潘宏伟, 王哲,等. PBAT/PLA/TPS生物降解薄膜的制备及性能研究[J]. 塑料工业,2016,44(10):9-13
    [20] 何晓烨. 环境友好型聚合物基复合材料的研究进展[J]. 广州化工,2016,44(4):18-20
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  • 收稿日期:  2017-07-23
  • 刊出日期:  2017-12-07
周鑫, 韩耀霞, 邓仕槐, 王莉淋, 张静, 张蓝月, 陈红春, 李金阳, 李瑶, 张雅琪, 陈亭微. PLA、PPC或PBAT与2次改性小麦秸秆全降解复合材料的力学性能与生态风险[J]. 环境工程学报, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
引用本文: 周鑫, 韩耀霞, 邓仕槐, 王莉淋, 张静, 张蓝月, 陈红春, 李金阳, 李瑶, 张雅琪, 陈亭微. PLA、PPC或PBAT与2次改性小麦秸秆全降解复合材料的力学性能与生态风险[J]. 环境工程学报, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
shu
ZHOU Xin, HAN Yaoxia, DENG Shihuai, WANG Lilin, ZHANG Jing, ZHANG Lanyue, CHEN Hongchun, LI Jinyang, LI Yao, ZHANG Yaqi, CHEN Tingwei. Mechanical properties and ecological risk of degradable composites based on twice modified wheat straw fiber and PLA, PPC or PBAT[J]. Chinese Journal of Environmental Engineering, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
Citation: ZHOU Xin, HAN Yaoxia, DENG Shihuai, WANG Lilin, ZHANG Jing, ZHANG Lanyue, CHEN Hongchun, LI Jinyang, LI Yao, ZHANG Yaqi, CHEN Tingwei. Mechanical properties and ecological risk of degradable composites based on twice modified wheat straw fiber and PLA, PPC or PBAT[J]. Chinese Journal of Environmental Engineering, 2017, 11(12): 6443-6449. doi: 10.12030/j.cjee.201705036
shu

PLA、PPC或PBAT与2次改性小麦秸秆全降解复合材料的力学性能与生态风险

  • 1. 四川农业大学环境学院, 成都 611130
  • 收稿日期:  2017-07-23
基金项目:

四川省青年科技创新团队项目（2014TD0019）

摘要: 制作复合材料是小麦秸秆资源化利用的有效途径之一。小麦秸秆的改性处理对制成的复合材料力学性能有很大影响，且不同的基体材料与小麦秸秆制成的复合材料性能也有所不同。以聚乳酸（PLA）、聚碳酸亚丙酯（PPC）、聚己二酸（PBAT）为基体材料，分别以改性前或碱处理及偶联剂方法2次改性后的小麦秸秆纤维为增强材料，采用压缩成型工艺制备了6种全降解复合材料，并对制成的6种复合材料进行了力学性能测试与比对；分析了3种改性后小麦秸秆制成的全降解复合材料的降解性能，并通过种子发芽实验研究了它们的浸提液的潜在生态风险。结果表明，2次改性小麦秸秆与基体材料制成的复合材料，其力学性能较原始秸秆与基体材料制成的复合材料有明显的增强，其拉伸、弯曲、冲击强度均有20%~50%的提升。3种可降解材料降解率由大到小的顺序为：PLA全降解复合材料 > PBAT全降解复合材料 > PPC全降解复合材料。质量分数1%的3种全降解复合材料浸提液对种子发芽过程基本不造成影响。

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