简介:Hydrotalcitecanactasaco-stabilizerwithothermainstabilizerforpoly(vinylchloride)(PVC).ThethermalstabilityandfluidpropertyofPVCfilledwithhydrotalcitesurface-treatedwithtitanateandsilanewerestudiedinthiswork.OrganicSnisamainstabilizerandhydrotalciteisastabilizingassistant.ThestabilityofthePVCresinmixedwithorganicSnandhydrotalciteisbetterthanthatofthePVCresinmixedwithorganicSnalone.ItisshownthatthePVCresinfilledwithhydrotalcitepossessesabetterstaticanddynamicheatstability.Moreover,hydrotalcitecanimprovethefluidpropertyofPVC,whichisadvantageoustotheprocessingofPVC,andtheoptimumcontentofhydrotalciteisabout1%-2%(massfraction).
简介:HEATS OF INTERACTION OF ORGANIC BASES WITH POLYMER PROTECTED CATALYST PVC-AlCl_3HEATSOFINTERACTIONOFORGANICBASESWITHPOLYMERPR...
简介:建立了泡沫塑料吸附-电感耦合等离子体原子发射光谱法测定地质样品中的金的方法,采用王水溶解地质样品中痕量的金,经泡沫塑料吸附富集,结合电感耦合等离子体原子发射光谱法进行测定。实验表明,方法的加标回收率为94.4%~111.0%,对国家一级标准物质进行测定,结果与认定值一致,方法的相对标准偏差RSD为3.2%~12.8%。