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首页> 外文期刊>Renewable energy >Thermal and flammable properties of bamboo pulp fiber/high-density polyethylene composites: Influence of preparation technology, nano calcium carbonate and fiber content
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Thermal and flammable properties of bamboo pulp fiber/high-density polyethylene composites: Influence of preparation technology, nano calcium carbonate and fiber content

机译：竹浆纤维/高密度聚乙烯复合材料的热和易燃性能：制备工艺，纳米碳酸钙和纤维含量的影响

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摘要

To investigate the effect of manufacturing method on thermal and flammable performance of CaCO3 impregnation modification (IM) treated bamboo pulp fiber (BPF) composites. The composite was made from HDPE with BPF contents of 30 wt% and 50 wt% by hot press molding (HPMP), extrusion molding (EMP) and injection molding process (IMP). The results showed that the E', crystallinity index (CrI) and heat distortion temperature (HDT) of the composites manufactured by EMP were highest. IM had a slight positive effect on E' and CrI of BPF/HDPE composites. The HDT of composites increased when the fiber content increased, leading to an increase in the heatproof property correspondingly. Compared to the samples manufactured by HPMP and EMP, the samples manufactured by IMP were extremely ignitable and flammable. Nano CaCO3 could improve the flame retardancy performance of samples manufactured by EMP effectively and the fiber content had an effect on the flame retardancy performance of samples, especially the samples treated by nano CaCO3. The average mass loss rate demonstrated a similar trend to the peak heat release rate for all composites. IM was more effective for EMP to improve the thermal stability and flame retardancy of composites compared with HPMP and IMP. (C) 2018 Elsevier Ltd. All rights reserved.
机译：研究制造方法对CaCO3浸渍改性（IM）处理的竹浆纤维（BPF）复合材料的热学和易燃性能的影响。通过热压成型（HPMP），挤压成型（EMP）和注塑成型工艺（IMP）由BPE含量分别为30 wt％和50 wt％的HDPE制成复合材料。结果表明，由EMP生产的复合材料的E'，结晶度指数（CrI）和热变形温度（HDT）最高。 IM对BPF / HDPE复合材料的E'和CrI有轻微的积极影响。当纤维含量增加时，复合材料的HDT增加，导致耐热性相应增加。与HPMP和EMP制造的样品相比，IMP制造的样品极易燃和易燃。纳米CaCO3可以有效改善EMP制得的样品的阻燃性能，纤维含量对样品的阻燃性能有影响，特别是纳米CaCO3处理的样品。平均质量损失率显示出与所有复合材料的峰值放热率相似的趋势。与HPMP和IMP相比，IM对EMP改善复合材料的热稳定性和阻燃性更有效。 （C）2018 Elsevier Ltd.保留所有权利。

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