作者:标准资料网 时间:2024-05-15 23:00:13   浏览:9680   来源:标准资料网

【英文标准名称】:Phenolic,aminoandcondensationresins-Determinationoffree-formaldehydecontent(ISO11402:2004);GermanversionENISO11402:2005,CorrigendatoDINENISO11402:2005-09;GermanversionENISO11402:2005/AC:2006
【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】:DINENISO11402Berichtigung1-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-11
【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】:氨基塑料;人造树脂;粘合剂;化学分析和试验;覆层材料;冷凝;缩聚物;缩合树脂;定义;测定;含量测定;甲醛;浓缩甲醛;甲醛释出;呋喃树脂;质量浓度;材料试验;蜜胺树脂;涂料;酚醛树脂;塑料;聚合物;反应性树脂;树脂;亚硫酸钠;
【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】:G32
【国际标准分类号】:83_080_10
【页数】:2P;A4
【正文语种】:德语