Mechanical reinforcement and creep resistance of coextruded wood flour/polyethylene composites by shell-layer treatment with nano- and micro-SiO2 particles

Hao Xiaolong; Zhou Haiyang; Xie Yanjun; Xiao Zefang; Wang Haigang; Wang Qingwen

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Mechanical reinforcement and creep resistance of coextruded wood flour/polyethylene composites by shell-layer treatment with nano- and micro-SiO2 particles

机译：用纳米和微型SiO2颗粒处理共挤出木粉/聚乙烯复合材料的机械加固和蠕变性

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Nano- and micro-SiO2 particles (termed nSiO(2) and mSiO(2), respectively) were incorporated in the shell layer of a coextruded wood flour/high density polyethylene composite (WF/HDPE) to improve the mechanical properties and inhibit creep behavior. The effects of loading content, particle size, and surface treatment of the silica with vinyl trimethoxy silane (VTS) were investigated on the properties of the resulting coextruded WF/HDPE composites. Scanning electron microscopy revealed proper interfacial adhesion between the core and shell layers. nSiO(2) exhibited higher reinforcement efficacy than that of mSiO(2) for the shell-layer materials. Incorporation of the VTS-treated nSiO(2) caused an increase in flexural- and impact strength of the coextruded composites by 29% and 57%, compared to the non-silica filled coextruded WF/HDPE controls, respectively. Incorporation of nSiO(2), either untreated or VTS-treated, enhanced creep resistance of shell layer materials; however, only VTS-nSiO(2) worked for the coextruded composites. These findings demonstrate that filling with silica, particularly VTS-treated nSiO(2), in the shell layer substantially and economically reinforces coextruded shell/core-structured WF/HDPE composites. POLYM. COMPOS., 40:1576-1584, 2019. (c) 2018 Society of Plastics Engineers

机译：纳米和微生物2颗粒（称为NSIO（2）和MSIO（2））掺入共挤出木粉/高密度聚乙烯复合物（WF / HDPE）的壳层中，以改善机械性能并抑制蠕变行为。研究了二氧化硅与乙烯基三乙氧基硅烷（VTS）的加载含量，粒度和表面处理的影响，对所得共挤出的WF / HDPE复合材料的性质进行研究。扫描电子显微镜显示芯和壳层之间的适当界面粘附。 NSIO（2）表现出比壳层材料的MSIO（2）更高的加固效果。与非二氧化硅填充共挤出的WF / HDPE对照相比，掺入VTS处理的NSIO（2）引起共挤出复合材料的弯曲和冲击强度的增加29％和57％。掺入NSIO（2），无论是未经处理的还是VTS处理，增强壳层材料的抗蠕变性;但是，只有VTS-NSIO（2）为共挤出复合材料工作。这些发现表明，在壳层中填充二氧化硅，特别是VTS处理的NSIO（2），基本上和经济地增强共挤出壳/核结构的WF / HDPE复合材料。聚合物。 Compos。，40：1576-1584,2019。（c）2018年塑料工程师协会

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《Polymer Composites》 |2019年第4期|共9页
作者
Hao Xiaolong; Zhou Haiyang; Xie Yanjun; Xiao Zefang; Wang Haigang; Wang Qingwen;
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Northeast Forestry Univ Key Lab Biobased Mat Sci &

Technol Minist Educ Coll Mat Sci &

Engn 26 Hexing Rd Harbin 150040 Heilongjiang Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci &

Technol Minist Educ Coll Mat Sci &

Engn 26 Hexing Rd Harbin 150040 Heilongjiang Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci &

Technol Minist Educ Coll Mat Sci &

Engn 26 Hexing Rd Harbin 150040 Heilongjiang Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci &

Technol Minist Educ Coll Mat Sci &

Engn 26 Hexing Rd Harbin 150040 Heilongjiang Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci &

Technol Minist Educ Coll Mat Sci &

Engn 26 Hexing Rd Harbin 150040 Heilongjiang Peoples R China;

South China Agr Univ Coll Mat &

Energy 483 Wushan Rd Guangzhou 510642 Guangdong Peoples R China;

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正文语种 eng
中图分类增强塑料、填充塑料;
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1. Mechanical reinforcement and creep resistance of coextruded wood flour/polyethylene composites by shell-layer treatment with nano- and micro-SiO2 particles [J] . Hao Xiaolong, Zhou Haiyang, Xie Yanjun, Polymer Composites . 2019,第4期

机译：用纳米和微型SiO2颗粒处理共挤出木粉/聚乙烯复合材料的机械加固和蠕变性
2. Mechanical properties, creep resistance, and dimensional stability of core/shell structured wood flour/polyethylene composites with highly filled core layer [J] . Hao Xiaolong, Yi Xin, Sun Lichao, Construction and Building Materials . 2019,第Nova30期

机译：具有高填充芯层的芯/壳结构木粉/聚乙烯复合材料的机械性能，抗蠕变性和尺寸稳定性
3. High-strength, lightweight, co-extruded wood flour-polyvinyl chloride/lumber composites: Effects of wood content in shell layer on mechanical properties, creep resistance, and dimensional stability [J] . Journal of Cleaner Production . 2020,第PTa1期

机译：高强度，轻质，共挤出木粉-聚氯乙烯/木材复合材料：壳层中的木材含量对机械性能，抗蠕变性和尺寸稳定性的影响
4. Influence of Particle Size on Water Absorption Capacity and Mechanical Properties of Polyethylene-Wood Flour Composites [C] . A. K. Zykova, P. V. Pantyukhov, N. N. Kolesnikova, Internation Conference on Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures . 2015

机译：粒径对聚乙烯 - 木粉复合材料吸水能力和力学性能的影响
5. Impact of recycling on the mechanical and thermo-mechanical properties of wood flour/high density polyethylene and wood flour/poly lactic acid composites. [D] . Bhattacharjee, Sujal. 2016

机译：回收对木粉/高密度聚乙烯和木粉/聚乳酸复合材料的机械和热机械性能的影响。
6. Investigation of Wood Flour Size Aspect Ratios and Injection Molding Temperature on Mechanical Properties of Wood Flour/Polyethylene Composites [O] . Mohammad E. Golmakani, Tomasz Wiczenbach, Mohammad Malikan, 2021

机译：木粉大小纵横比和注射成型温度对木粉/聚乙烯复合材料的力学性能研究
7. Influence of a Stabilized Cap Layer on the Photodegradation of Coextruded High Density Polyethylene/Wood-Flour Composites [O] . Shan Jin, Nicole M. Stark, Laurent M. Matuana 2015

机译：稳定帽层对共挤高密度聚乙烯/木粉复合材料光降解的影响

Mechanical reinforcement and creep resistance of coextruded wood flour/polyethylene composites by shell-layer treatment with nano- and micro-SiO2 particles

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