BS EN 60450-2004 新旧纤维素电绝缘材料聚合的平均粘度测量

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【英文标准名称】:Measurementoftheaverageviscometricdegreeofpolymerizationofnewandagedcellulosicelectricallyinsulatingmaterials
【原文标准名称】:新旧纤维素电绝缘材料聚合的平均粘度测量
【标准号】:BSEN60450-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-08-16
【实施或试行日期】:2004-08-16
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:加速度试验;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;试验;粘度测量法;粘度;粘度测量
【英文主题词】:Acceleratedtesting;Cellulosepapers;Cellulosicpapers;Definition;Definitions;Electricalengineering;Electricalinsulatingmaterials;Insulatingmaterials;Insulatingpapers;Insulations;Measurement;Measuringtechniques;Paper;Polymerization;Testing;Viscosimetry;Viscosity;Viscositymeasurement
【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】:17_220_99;29_035_01
【页数】:26P.;A4
【正文语种】:英语