【英文标准名称】:Plastics;PVCresinsforgeneraluse;Determinationofhotplasticizerabsorption
【原文标准名称】:塑料通用聚氯乙烯(PVC)树脂热增塑剂吸收率测定
【标准号】:ISO4574-1978
【标准状态】:现行
【国别】:国际
【发布日期】:1978-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:聚氯乙烯;增塑剂吸收;塑料;化学试验;化学分析和试验
【英文主题词】:Chemicalanalysisandtesting;Definitions;Heat;Instruments;Mouldings(shapedsection);Plasticizers;Plastics;Polyvinylchloride;Samplingmethods;Testing;Velocity;Vinylchloride
【摘要】:Conditioningof200partsofplasticiserinthebowlofaplanetarymixeratatemperatureof75C.Additionof100partsoftheresintobetestedandmixingwiththeplasticizer.Takingofsamplesofthismixtureatvarioustimes,removalofexcessofplasticizerbycentrifuginganddeterminingthequantityofplasticizerabsorbedbythepolymer.Plottingagraph,fromwhichcanbedeterminedforthepolymerundertest:-themeanrateofplasticizerabsorption(RPA);-thehotplasticizerabsorption(HPA)at75Cand30min.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:7P.;A4
【正文语种】:英语