标准编号：ISO 11235:2016
中文名称：橡胶配合剂 次磺酰胺促进剂 试验方法
英文名称：Rubber compounding ingredients — Sulfenamide accelerators — Test methods
发布日期：2016-01
标准范围
This International Standard specifies the methods to be used for the evaluation of sulfenamideaccelerators:— MBTS: benzothiazyl disulphide;— CBS: N-cyclohexylbenzothiazole-2-sulfenamide;— TBBS: N-tert-butylbenzothiazole-2-sulfenamide;— DIBS: N,N’-diisopropylbenzothiazole-2-sulfenamide;— DCBS: N,N’-dicyclohexylbenzothiazole-2-sulfenamide;— MBS: N-oxydiethylenebenzothiazole-2-sulfenamide.NOTE Although MBTS is not a sulfenamide, it is the primary decomposition product of these acceleratorsand quantitatively determined by the method specified in 5.2.The analytical methods are applicable for most commercial sulfenamide accelerators:— sulfenamides of primary amines (type I);— sulfenamides of unhindered secondary amines (type II);— sulfenamides of hindered secondary amines (type III).The method (5.2) to determine purity by high performance liquid chromatography (HPLC) is thepreferred method.
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