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1、66第40卷,第5期工程塑料應(yīng)用VoI.40.No52012年5月ENGINEERINGPLASTICSAPPLICATIONMay2012doi:10.3969/j.issn.1001-3539.2012.05.016母料配方對(duì)PE.HD/E.TMB共混物結(jié)晶行為的影響樊衛(wèi)華,郭凱,劉玉坤,白娟,陳金周。王經(jīng)武(1.鄭州大學(xué)護(hù)理學(xué)院,鄭州450052;2.鄭州大學(xué)材料科學(xué)與工程學(xué)院,鄭州450052)摘要:用增韌母料(E.TMB)分別與高密度聚乙烯(PE.HD)2200J(HE1)、5000S(HE2)熱機(jī)械共混制得HE1/E
2、·TMB和HE2/E—TMB共混物,研究了E.TMB中彈性體配比(M/N)、基體樹(shù)脂和彈性體配比(H/E)對(duì)共混物結(jié)晶行為的影響,并將其和簡(jiǎn)單共混對(duì)照樣對(duì)比。結(jié)果表明,與純PE.HD和簡(jiǎn)單共混物對(duì)照樣相比,HE1/E.TMB和HE2/E。TMB的結(jié)晶起始溫度升高,且隨M/N比值的減小而增大,隨H/E比值的減小而減??;HE1/E.TMB的結(jié)晶焓減小而成核速率和結(jié)晶速度增大,HE2/E.TMB的結(jié)晶焓增大而成核速率和結(jié)晶速度減小,HE2/E.TMB的成核速率隨M/N比值的減小而減小。關(guān)鍵詞:高密度聚乙烯;增韌母料;結(jié)晶行為中圖分類(lèi)號(hào)
3、:TQ325.1,TQ325.2文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1001.3539(2012)05.0066.05EffectoftheMasterBatchFormulaontheCrystallineBehaviorOfPE.HD/E.TMBBlendsFanWeihua,GuoKai,LiuYuku,BaiJuan,ChenJinzhou,WlangJingwu(1.TheNurseingColegeofZhengzhouUniversity,Zhengzhou450052,China:2.CollegeofMaterialSci
4、enceandEngineering,ZhengzhouUniversity,Zhengzhou450052,China)Abstract:HE1/E—TMBandHE2/E—TMBblendswerepreparedbythethermalmechanicalblendingoftougheningmasterbatch(E—TMB)with2200JPE.HD(HE1)and5000SPE—HD(HE2),andtheeffectsofelastomerratio(M/N)andtheratioofmatrixresinto
5、elastomer(H/E)inE~TMBonthecrystallinebehaviorofPE—HD/E—TMBwereinvestigated.a(chǎn)ndwhichwerecontrasttoPE.HD/elastomerblends.TheresultsshowedtbatthejnitialcrystallizationtemperatureofHE1/E.TMBandHE2/E—TMBblendswasallhigherthanthatofthepurePE.HDandPE.HD/elastomer.a(chǎn)ndgradual
6、lyincreasedwiththeratioofMtoNdecreasinganddecreasedwiththeratioofHtoEdecreasing.TheenthalpychangeofcrystallizationofHE1/E—TMBwassmallerthanthatofHE1andHE1/E—TMB.ThenuclearationrateandthecrystallizationrateofHE1/E—TMB(M/N)blendswasal1higherthanthatofthepureHE1andHE1/e
7、lastomer(M/N).TheenthalpychangeofcrystallizationofHE2/E—TMBwashigherthanthatofthepureHE2andHE2/elastomer,buttheirnuclearationrateandcrystallizationratewascontrary.ThenuclearationrateofHE2/E.TMBgraduallydecreasedwiththeratioofMtoNdecreasing.Keywards:highdensitypolyeth
8、ylene;tougheningmasterbatch;crystallinebehavior將高密度聚乙烯(PE.HD)增韌改性為工程塑塑料料使用是高分子材料研究的一個(gè)重要課題。傳統(tǒng)的筆者研究了E.TMB中乙丙彈性體(M)與丁苯研究方法大體分為彈性體增韌和剛性