共查询到20条相似文献,搜索用时 203 毫秒
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采用气流成网技术将红麻/聚丙烯(PP)纤维开松混合后制成纤网,以针刺、热压成型工艺制造汽车内饰板材.研究了成网过程中红麻和PP纤维的混比、成网机输送帘速度和气流成网机下风机速度等工艺参数对红麻/PP纤维复合汽车内饰板材的弯曲强度、拉伸强度和冲击强度等性能的影响.试验确定了最佳的成网工艺参数:红麻/PP纤维质量比35/6... 相似文献
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从纤维原料选择、组织结构设计、后整理工艺等方面阐述阻燃抗菌复合功能型高铁内饰针织面料产品的开发工艺。采用新型无烟高阻燃抗菌复合功能型聚酯长丝为原料,在纬编单面提花机上进行面料织造,并通过特殊层合工艺进行材料增强处理,同时制备了一种特殊的阻燃涂层胶,在复合面料背面进行阻燃涂层,研发出一种高性能高铁内饰针织面料。对产品的撕裂、耐光色牢度、氧指数、烟密度、燃烧后有害气体浓度以及抗菌性能等指标进行了测试表征。结果表明,开发的高铁内饰针织面料产品具有优良的物理机械性能和安全防护性能,抗菌性能优异,符合高铁内饰面料的使用要求。 相似文献
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复合抗静电阻燃ABS 、聚丙烯、聚乙烯的研制 总被引:2,自引:0,他引:2
讨论了塑料的抗静电阻燃机理,详细介绍了复合抗静电阻燃ABS塑料、聚丙烯、聚乙烯材料的研制工艺及配方;给出了复合抗静电阻燃ABS塑料、聚丙烯、聚乙烯材料的抗静电、阻燃性能测试数据,结果表明:所研制的聚乙烯、聚丙烯、ABS塑料具有优良的抗静电阻燃效果。 相似文献
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采用同浴复合涂层法对纯涤纶汽车内饰纺织品进行阻燃、抗菌和智能调温复合功能整理。探讨了涂层配方和涂层上胶量等工艺参数对复合功能涂层效果的影响,测试了整理后织物阻燃、抗菌及智能调温性能,同时对涂层前后汽车内饰面料的搭扣耐磨性、接缝疲劳和静态延伸率进行了对比测试。结果表明:经过复合功能涂层加工后,面料的阻燃效果达A-0级,抗菌效果达99.99%,智能调温范围为3~5℃;涂层后汽车内饰面料的搭扣耐磨和接缝疲劳性能得到明显改善,涂层工艺对面料的静态延伸性能有一定影响,但可满足标准要求。 相似文献
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汽车内饰用纺织材料及其功能性整理进展 总被引:1,自引:0,他引:1
概述了汽车内饰用纺织材料的纤维原料和结构设计两方面的选择要点,介绍了其性能要求,除传统纺织品要求的舒适美观、经济耐用外,还包括染色牢度、防污、抗静电、阻燃、耐光和抗紫外线等,并阐述了满足其上述性能要求的功能整理方法和工艺,包括防污整理、阻燃整理,以及防静电、阻燃、防污复合兼容加工技术。 相似文献
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本文研究了采用国产含卤素阻燃剂粉末直接与聚丙烯切片混合纺丝制取阻燃丙纶的可行性。研究表明,FR 6与 Sb_2O_3复合阻燃剂对聚丙烯纤维有良好的阻燃作用,当添加量3%(对聚丙烯重,下同)时,能与切片较好混合,顺利纺丝;复合阻燃剂能较均匀分散于纤维内部,使纤维的 LO1值大于27%,达到自熄材料要求,又不会使纤维强伸度劣化,但纤维的耐热性有所降低;加入阻燃剂后,纺丝温度可大幅度降低。 相似文献
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为解决当前环境污染和可持续发展问题,采用模压成型工艺制备可降解黄麻/PBS复合材料,通过拉伸、弯曲性能测试、红外分析和SEM观察,探讨纤维含量和碱处理对材料性能的影响。结果表明:随着纤维含量的增加,复合材料的拉伸强度先增大后减小,在纤维含量为10%时达到最大值,比纯PBS提高了30.1%;拉伸模量、弯曲强度和弯曲模量均随纤维含量的增大而提高,在纤维含量为30%时分别比纯PBS提高了24.2%、185.5%和107.7%。碱处理后黄麻纤维表面杂质被去除,表面部分刻蚀变粗糙,复合材料的综合力学性能得到提高,其中弯曲模量提高显著,比未处理的黄麻复合材料提高了58%。 相似文献
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High melt viscosity of thermoplastic matrices hinders the impregnation of fibers and their consolidation during fabrication of composites. In the present study, matrix (polypropylene) and reinforcement (jute) fibers were comingled at fiber to fiber level (fiber to matrix ratio of 30, 40, 50 and 60%) while making their nonwoven fabrics using dry laid process. Thermoforming process, in which polypropylene fibers are used and then melted for the development of composite plates. The results showed that the composite samples with 0.30 fiber volume fraction have higher mechanical properties (flexural, impact energy), while samples with 0.40 fiber volume fraction have higher tensile properties (tensile strength and modulus) due to good impregnation of fiber and better fiber-matrix interface. The composite having 0.30 fiber volume fraction has lowest value of moisture regain and diffusion coefficients than the other samples. Voids present in the microscopic images also confirmed the weak interface, when the fiber volume fraction increased up to 0.60. 相似文献
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1990年初以来,天然纤维增强复合材料在静态和中等受力状态下的应用,例如帽子支架、汽车车顶和汽车内部衬里,是众所周知的。正如这些例子所表明的,天然纤维增强复合材料具有多种用途,但最近二三年里发展不快。介绍了天然纤维纺织半成品的特定组合用于承受动态负荷的踏板车横梁的可能性.以及这种材料组合中所用的纺织品类型和能达到的机械性能。 相似文献
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K. Mohan 《Journal of Natural Fibers》2017,14(6):864-874
Hybrid composites are fabricated by the combination of two or more fibers using a single matrix. It can be fabricated either with all of its constituents as natural fibers or with one or more constituents belonging to artificial fiber. The stacking sequence of the fibers in a hybrid composite can be altered resulting in a varying mechanical properties. In the present study the MWCNT filled banana-jute-flax fiber reinforced composites are investigated for its mechanical behavior by varying the stacking sequence of the fiber layers and weight % of Multi-Walled Carbon Nano Tube (MWCNT). A Modified resin was prepared by adding MWCNT in the epoxy resin using ultrasonic probe sonicator and a hybrid composite is fabricated with it by using compression moulding processes. The mechanical properties are evaluated as per the ASTM standards. The incorporating of MWCNT and the stacking sequence of fiber layers shows the greater impact on the mechanical properties. The composites of jute fibers at the extremities (JBFBFBFJ) exhibiting the enhancement of tensile, compressive and hardness properties than the flax fiber at the extremities (FBJBJBJF) and it could be used in various automobile applications. Microstructure of the samples are investigated by Scanning Electron Microscope (SEM)with Energy dispersive X-ray (EDS). The results indicate that increasing the weight % of MWCNT and varying the stacking sequence of fibers improves the mechanical properties of hybrid natural fiber composites. 相似文献
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以再生聚酯(PET)短纤维和聚丙烯(PP)短纤维为原料,采用针刺法非织造工艺技术制得用于汽车内饰的纤维复合毡,再进行热压成型处理得到纤维复合板材。通过单因子试验研究了原料配比和热压工艺参数对复合板材的拉伸强度和弯曲强度的影响。结果表明:当PET/PP纤维质量混合比为50/50、热压温度为220℃、热压时间为1.5 min、热压压力为4 MPa时,再生PET短纤维/PP短纤维复合板材的力学性能达到最大值。 相似文献
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This paper presents the development of jute/polypropylene (PP) composites by twin-screw extrusion and injection molding. Jute/PP was compounded using twin-screw extruder and injection molded. The effects of chopped/continuous fibers, coupling agent and fiber ratio on mechanical properties were investigated. Tensile and flexural moduli of continuous jute/PP were greater than those of chopped fiber/PP. Tensile, flexural and impact strengths were greater in chopped fiber/PP along with elongation at break. Coupling agent improved the tensile and flexural strengths, and these increased with fiber content, whereas impact strength and elongation at break decreased with fiber loading. The results were analyzed using ANOVA and regression analyses. 相似文献
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