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时间:2020-03-26
《木质纤维填料对PE—HD基木塑复合材料热性能的影响.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第43卷,第3期工程塑料应用VoI.43,NO.32015年3月ENGINEERINGPLASTICSAPPUCATIONMal".2015doi:10,3969/j.issn.1001-3539.2015.03,003木质纤维填料对PE—HD基木塑复合材料热性能的影响赵丽梅。何春霞‘,朱方政,丁建生,卢圣楼(1.南京农业大学工学院,江苏省智能化农业装备重点实验室,南京210031;2.南京聚锋新材料有限公司,南京210061)摘要:分别以木粉、竹粉、稻壳粉三种木质纤维为填料,高密度聚乙烯(PE-HD)为基体,采用模压成型法制备木塑复合材料,对复合材料
2、的热膨胀性能和热失重特性进行了研究。结果表明,三种木质纤维填充PE-_HD复合材料的线性热膨胀系数J顺序为:PE-HD/木粉复合材料3、量越高,第一阶段分解速率及失重量越大;木粉粒径越小,复合材料起始分解温度越低。关键词:木塑复合材料;木质纤维填料;高密度聚乙烯;热性能中图分类号:TB332文献标识码:A文章编号:1001-3539(2015)03.0013.06EffectOfW0odFiberFillersonThermalPropertiesOfPE—HDWOodPlasticCompositeZhaoLimei,HeChunxia,ZhuFangzheng,DingJiansheng,LuShenglou2(1CollegeofEngineering,NanjingAgricu4、lturalUniversity,JiangsuKeyLaboratoryforIntelligentAgriculturalEquipment,Nanjing21003l,China;2.NanjingJufengAdvancedMaterialCo.Ltd.,Nanjing210061,China)Abstract:ThePE_1Dwoodplasticcompositewerepreparedfilledwithwoodflour,bambooflour.ricehuskflourandsomeassistantsbycompressionmol5、dingprocess.Thethermalexpansionanddecompositionpropertiesofthecompositesweretested.TheresultsshowthattheascendingorderofthecoeficientoflinearthermalexpansionOfPB—HDcompositesfilledwithwoodfiberfillersisthefollowing:PE-HD/woodflourcomposite6、skflourcomposite.ThecoeficientoflinearthermalexpansionofPE-HD/woodflourcompositedecreaseswiththeincreaseofwoodcontentandmesh,with65%and150LLmwoodfiber,thecoeficientoflinearthermalexpansionofPE—HD/woodflourcompositeiStheminimum.ThethermaldecompositionofPE-HD/woodfillercompositesa7、recarriedoutintwosteps,thefirststepismainlythedecompositionofwoodfillers,andthesecondstepismainlythedecompositionofPE-HD.TheweightlessnessstartingtemperatureofPE-HD/woodflourcompositeishigherthanthatofPE-HD/bambooflourcompositeandPE-HD/ricehuskflourcomposite,andwithhigherwoodcon8、tent,thedecompositionrateandweightlossofthefirs
3、量越高,第一阶段分解速率及失重量越大;木粉粒径越小,复合材料起始分解温度越低。关键词:木塑复合材料;木质纤维填料;高密度聚乙烯;热性能中图分类号:TB332文献标识码:A文章编号:1001-3539(2015)03.0013.06EffectOfW0odFiberFillersonThermalPropertiesOfPE—HDWOodPlasticCompositeZhaoLimei,HeChunxia,ZhuFangzheng,DingJiansheng,LuShenglou2(1CollegeofEngineering,NanjingAgricu
4、lturalUniversity,JiangsuKeyLaboratoryforIntelligentAgriculturalEquipment,Nanjing21003l,China;2.NanjingJufengAdvancedMaterialCo.Ltd.,Nanjing210061,China)Abstract:ThePE_1Dwoodplasticcompositewerepreparedfilledwithwoodflour,bambooflour.ricehuskflourandsomeassistantsbycompressionmol
5、dingprocess.Thethermalexpansionanddecompositionpropertiesofthecompositesweretested.TheresultsshowthattheascendingorderofthecoeficientoflinearthermalexpansionOfPB—HDcompositesfilledwithwoodfiberfillersisthefollowing:PE-HD/woodflourcomposite6、skflourcomposite.ThecoeficientoflinearthermalexpansionofPE-HD/woodflourcompositedecreaseswiththeincreaseofwoodcontentandmesh,with65%and150LLmwoodfiber,thecoeficientoflinearthermalexpansionofPE—HD/woodflourcompositeiStheminimum.ThethermaldecompositionofPE-HD/woodfillercompositesa7、recarriedoutintwosteps,thefirststepismainlythedecompositionofwoodfillers,andthesecondstepismainlythedecompositionofPE-HD.TheweightlessnessstartingtemperatureofPE-HD/woodflourcompositeishigherthanthatofPE-HD/bambooflourcompositeandPE-HD/ricehuskflourcomposite,andwithhigherwoodcon8、tent,thedecompositionrateandweightlossofthefirs
6、skflourcomposite.ThecoeficientoflinearthermalexpansionofPE-HD/woodflourcompositedecreaseswiththeincreaseofwoodcontentandmesh,with65%and150LLmwoodfiber,thecoeficientoflinearthermalexpansionofPE—HD/woodflourcompositeiStheminimum.ThethermaldecompositionofPE-HD/woodfillercompositesa
7、recarriedoutintwosteps,thefirststepismainlythedecompositionofwoodfillers,andthesecondstepismainlythedecompositionofPE-HD.TheweightlessnessstartingtemperatureofPE-HD/woodflourcompositeishigherthanthatofPE-HD/bambooflourcompositeandPE-HD/ricehuskflourcomposite,andwithhigherwoodcon
8、tent,thedecompositionrateandweightlossofthefirs
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