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【英文标准名称】:Measurementoftheaverageviscometricdegreeofpolymerizationofnewandagedcellulosicelectricallyinsulatingmaterials
【原文标准名称】:新的和老化的纤维质电绝缘材料平均粘滞聚合度的测量
【标准号】:IEC60450Edition2.1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC112
【标准类型】:()
【标准水平】:()
【中文主题词】:加速度测试;纤维素纸;定义;电气工程;电绝缘材料;绝缘材料;绝缘纸;绝缘件;测量;测量技术;纸;聚合;测试;粘度测量法;粘度;粘度测量
【英文主题词】:
【摘要】:ThisInternationalstandarddescribesastandardizedmethodforthedeterminationoftheaverageviscometricdegreeofpolymerization(DPν)ofnewandagedcellulosicelectricallyinsulatingmaterials.Itmaybeappliedtoallcellulosicinsulatingmaterialssuchasthoseusedintransformer,cableorcapacitormanufacturing.Themethodsdescribedcanalsobeusedforthedeterminationoftheintrinsicviscosityofsolutionsofchemicallymodifiedkraftpapers,providedthatthesedissolvecompletelyintheselectedsolvent.Cautionshouldbetakenifthemethodisappliedtoloadedkraftpapers.NOTEWithinasampleofmaterial,allthecellulosemoleculesdonothavethesamedegreeofpolymerizationsothatthemeanvaluemeasuredbyviscometricmethodsisnotnecessarilythesameasthatwhichmaybeobtainedby,forinstance,osmoticorultracentrifugingmethods.
【中国标准分类号】:K15
【国际标准分类号】:29_035_20
【页数】:112P;A4
【正文语种】:英语