动态硫化乙烯-辛烯共聚物硅橡胶热塑性弹性体性(5)
发布时间:2021-06-06
发布时间:2021-06-06
橡胶工业,2003,26(5):315-316
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Influencefactorsofpropertiesofdynamicallyvulcanizedethyleneoctene
copolymer/siliconerubberthermoplasticelastomer
1213
LIJianfang,GUANEnzheng,XIAOJianbin,CHUMin
(1KeyLaboratoryofRubberPlasticsofMinistryofEducation,QingdaoUniversityofScienceand
,Qingdao266042,China;2SailunCoLtd,Huangdao266500,China;Technology
3YokohamaRubber(China)CoLtd,Shanghai200336,China)
Abstract:Theethyleneoctenecopolymer(POE)/siliconerubber(MVQ)thermoplasticelastomer(TPV)waspreparedbyusingHaaketorquerheometer,theeffectsofblendingtemperature,rota,dynamicvulcanizationtimeonthevultionspeedcanizationcharacteristicsofPOE/MVQblendsandprocessingcharacteristicsandmechanicalpropertiesofPOE/MVQTPVwerestudiedsynthetically,andtheappearancesofPOE/MVQTPVwithdifferentvulcanizingagentfeedingsequenceswereobservedTheresultsshowedthatundertheconditionsof
Keywords:ethyleneoctenecopolymer;siliconerubber;torquerheometer;dynamicvulcanization;thermoplasticelastomer;vulcanizationcharacteristics;mechanicalproperty;processingcharacteristicsotationspeed50-blendingtemperature130℃,r60r/min,vulcanizationtime4-12min,andusingvulcanizingagentthreestepfeedingmodeaftermixingPOEandMVQevenly,thePOE/MVQTPVshowedbettercomprehensivepropertiesandsmoothandtoughsurface
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