上海涂料
上海塗料
상해도료
Shanghai Coatings
2015年
8期
33-36
,共4页
邻硝基甲苯%高氯酸滴定%胺值
鄰硝基甲苯%高氯痠滴定%胺值
린초기갑분%고록산적정%알치
o-nitrotoluene%perchloric acid titration%amine value
介绍了当前国内外环氧固化剂胺值测定的方法,并分析了胺值测定结果的影响因素.在此基础上,提出了能完全溶解待测试样的重要溶剂邻硝基甲苯.采用该方法滴定过程无浑浊现象,终点变色敏锐,测定结果准确度高,适用于胺类环氧固化剂的总胺值测定.
介紹瞭噹前國內外環氧固化劑胺值測定的方法,併分析瞭胺值測定結果的影響因素.在此基礎上,提齣瞭能完全溶解待測試樣的重要溶劑鄰硝基甲苯.採用該方法滴定過程無渾濁現象,終點變色敏銳,測定結果準確度高,適用于胺類環氧固化劑的總胺值測定.
개소료당전국내외배양고화제알치측정적방법,병분석료알치측정결과적영향인소.재차기출상,제출료능완전용해대측시양적중요용제린초기갑분.채용해방법적정과정무혼탁현상,종점변색민예,측정결과준학도고,괄용우알류배양고화제적총알치측정.
The methods of determining amine value of epoxy hardener at home and abroad were introduced. The influence factors of testing results were analyzed. On this basis,o-nitrotoluene that can completely dissolve the epoxy hardener as an important solvent was mentioned. This new method has advantages of cloudiness in titration process,color change sharply at end point,high accuracy of measurement results,and can be applied for total amine value testing of epoxy resin hardener.
