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摘要
以玄武岩纤维(BF)作为增强材料,制备了BF/天然橡胶(NR)复合材料,探究了BF的长度、用量和取向对复合材料性能的影响。实验结果表明,与未添加BF的NR材料相比,添加BF的BF/NR复合材料的综合性能得到明显提升。其中,BF长度为3mm、用量为3份且采用径向取向时,其100%定伸应力提升了18%,300%定伸应力提升了15%,DIN磨耗量降低了17%;且综合性能相较于BF其他长度、用量、取向的综合性能最优,拉伸强度最高,Pyane效应最弱,储能模量下降幅度最少,损耗因子峰值相对较小。SEM测试结果表明,采用径向取向的BF/NR复合材料,BF在NR基体中取向程度较高,排列较为一致。
Abstract
Basalt fiber (BF)/natural rubber (NR) composites were prepared with basalt fiber as reinforcement material,and the effects of BF length,dosage and orientation on the properties of BF/NR composites were investigated.The experimental results showed that:compared with NR composites without BF,the comprehensive properties of BF/NR composites with BF added were significantly improved.When BF length was 3mm,the amount was 3 phr and the radial orientation was adopted,the 100% constant elongation stress was increased by 18%,the 300% constant elongation stress was increased by 15%,and the DIN wear was reduced by 17%.Compared with other lengths,dosages,orientations of BF,its comprehensive performance was the best,the tensile strength was the highest,the Pyane effect was the weakest,the energy storage modulus declined the least,and the peak value of the loss factor was relatively small.The SEM test results showed that the BF/NR composites with radial orientation had a higher degree of orientation and a more consistent arrangement in the NR matrix.
关键词
复合材料
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玄武岩纤维
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天然橡胶
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纤维取向
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物理机械性能
Key words
composite material
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basalt fiber
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natural rubber
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fiber orientation
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physical and mechanical properties
玄武岩纤维长度/用量/取向对天然橡胶复合材料性能的影响[J].
化工新型材料, 2025, 53(7): 215-220 DOI:10.19817/j.cnki.issn1006-3536.2025.07.025
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基金资助
国家自然科学基金(50775116);山东省重点研发计划(2019JMRH00205);山东省自然科学基金(ZR2016XJ003);山东省自主创新及成果转化专项(2014CGZH0405)
