【英文标准名称】:Phenolic,aminoandcondensationresins-Determinationoffree-formaldehydecontent(ISO11402:2004);GermanversionofENISO11402:2005
【原文标准名称】:酚醛树脂、氨基树脂和缩合树脂.游离甲醛含量的测定
【标准号】:DINENISO11402-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:呋喃树脂;人造树脂;试验;酚醛树脂;清漆;脲树脂;甲醛释出;质量浓度;缩聚物;覆层材料;甲醛浓度;氨基塑料;蜜胺树脂;容量分析;热固性聚合物;含量测定;脲;亚硫酸钠;甲醛;缩合树脂;树脂;滴定法;粘合剂;定义;塑料;冷凝;化学
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesthreemethodsfordeterminingthefree-formaldehydecontentinthefollowing:a)Phenolicresins,bypotentiometrictitrationinaqueousororganicsolution(hydroxylaminehydrochlorideprocedure).Themethodisapplicabletoresinswithfree-formaldehydecontentsuptoandincluding15%bymass.Forfree-formaldehydecontentsbetween15%bymassand30%bymass,itmaybenecessarytoadjusttheconcentrationsofthestandardvolumetricsolutionsusedaccordingly.b)Aminoresinsandfuranresins(sulfiteprocedure).Themethodisapplicabletoresinsresultingfromthepolycondensationofureaandmelaminewithformaldehydeandtofuranresinsresultingfromthepolycondensationoffurfurylalcoholwithformaldehydewithoutfurthermodification.c)Condensationresins(KCNprocedure),includingurearesins,furanresins,melamineresinsandphenolicresins,aswellascombinationsandmodificationsoftheseresins.
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:17P;A4
【正文语种】:英语