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Extrusion compounding and injection moulding of highly particle filled polymers  
Extrusion compounding and injection moulding of highly particle filled polymers
资料类型: Word文件
关键词: Extrusion  compounding  injection  moulding  highly  particle  filled  
polymers  
资料大小: 203K
所属学科: 分子表征
来源: 2007高分子材料加工国际学术会议(5.18-5.20 北京)
简介:
Duringthelastyearstheinterestinapreparationofpassiveelec¬troniccomponentslikeinductivities,transformers,coresandstatorsforelectronicde¬vicesmadeofpolymersfilledwithmagneticparticles(po¬ly¬merbondedsoftmagneticcomposites,PBSMC)isgrowingbecauseextrusioncompoundingandinjectionmoul¬dingpromisesacheapandreliablepreparationmethodandalsounusualgeometricshapesarepossible[1-5].WhilepolymerswithhardmagneticparticlesareusedinmanyapplicationstheuseofPBSMCisrelativenewandonlyafewapplicationscanbefound.Thisisduetothefactthatsuchapplicationsrequirepartswithahighwallthicknessandparticlefractionshigherthan70-vol%[6].Thesehighfillerfractionscausechangesinprocessingconditionsbe¬cau¬seofthechangeofphysicalpropertiesofthecompositelikeviscosityandthermalcon¬duc¬tivity[7,8].Althoughmanystudiesdealingwiththedescriptionofextrusionandinjectionmouldingpro¬cessarepresentinliterature[7]noexperimentaldataofpreparationofPBSMCwithex¬tremelyhighfillerfractionsbyextrusioncompoundingandinjectionsmouldingusingin¬dus¬trialscalemachinesareavailable.Hereafirststudyofthefeasibilityofthepreparationofextremelyhighfilledpolypropyl¬eneispresented.
作者: Bernd Weidenfeller and Mathias Anhalt
上传时间: 2007-09-04 15:03:57
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zxz7471    2009-01-30 15:56:17
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