【英文标准名称】:Plastics-Filmandsheeting-Determinationofwettingtension
【原文标准名称】:塑料.薄膜和薄板.湿润表面张力的测定
【标准号】:BSISO8296-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-09-16
【实施或试行日期】:2003-09-16
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:表面张力;拉力;润湿度;粘附;薄板材;箔;板;试验;印刷油墨;试验流体;描述;表面;塑料;聚乙烯;聚乙烯;膜(物态);表面性质;测定;塑料薄膜;润湿;聚丙烯
【英文主题词】:
【摘要】:1ThisInternationalStandardspecifiesamethodfordeterminingthewettingtensionofsurfacesofplasticfilmandsheetingincontactwithdropsofspecifictestsolutions.2Theabilityofplasticfilmstoretaininks,coatings,adhesives,etc.,isprimarilydependentonthecharacteroftheirsurfaces,andcanbeimprovedbyoneofseveralsurface-treatmenttechniques.Thesesametreatmenttechniqueshavebeenfoundtoincreasethewettingtensionofaplasticfilmsurfaceincontactwithmixturesofsolvents.Itisthereforepossibletorelatethewettingtensionofaplasticfilmsurfacetoitsabilitytoacceptandretaininks,coatings,adhesives,etc.Themeasuredwettingtensionofaspecificfilmsurfacecanonlyberelatedtoacceptableink,coating,oradhesiveretentionthroughexperience.Wettingtension,initself,isnotacompletelyacceptablemeasureofink,coatingoradhesiveadhesion.3Anycontaminationofthefilmsurfaceandanytraceofsurface-activeimpuritiesintheliquidreagentsmayaffectthewettingtension.Itisthereforeimportantthattheportionofthefilmsurfacetobetestedisnottouchedorrubbed,thatallequipmentbescrupulouslyclean,andthatreagentpuritybecarefullycontrolled.Glassapparatus,inparticular,islikelytobecontaminatedwithdetergentshavingverystrongsurfacetensionreducingability,unlessspecificprecautionsaretakentoensuretheirabsencesuchasbycleaningwithanoxidizingagent,forexamplechromic-sulfuricacidorsulfuricacid-ammoniumperoxydisulfate,andrinsingwithdistilledwater.4Thetestisnotapplicablewhenthesurfaceofthematerialtobetestedreactschemicallywiththetestsolution.5Itshouldbenotedthatsurfacepropertiesofplasticfilmandsheetingmaychangebyageingprocesses.Themeasurementsmustthereforeberelatedtotheageofthefilm.
【中国标准分类号】:G31
【国际标准分类号】:83_140_10
【页数】:10P;A4
【正文语种】:英语


【英文标准名称】:HolderOutlinesandPinConnectionsforQuartzCrystalUnits
【原文标准名称】:石英晶体元件的外形和插脚连接
【标准号】:ANSI/EIA-192-A-1967
【标准状态】:作废
【国别】:美国
【发布日期】:1967
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:压电器件;电子工程;石英晶体
【英文主题词】:piezoelectricdevices;quartzcrystals;electronicengineering
【摘要】:
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:
【正文语种】:英语