GB/T 21184-2007 in English

《GB/T 21184-2007橡胶配合剂 次磺酰胺促进剂 试验方法》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC12（全国橡胶与橡胶制品标准化技术委员会化学助剂分会）执行，主管部门为中国石油和化学工业联合会。
本标准规定了测定次磺酰胺促进剂外观、初熔点、加热减量、灰分、不溶物、游离胺、纯度、干法筛余物的试验方法。
本标准适用于次磺酰胺促进剂的测定。

Scope

WARNING: Personnel using this standard should have practical experience in formal laboratory work. This standard does not address all possible safety issues. The user is responsible for taking appropriate safety and health measures, and ensuring compliance with the conditions stipulated in the relevant national laws and regulations. Test method for purity and dry sieving residue This standard applies to the determination of sulfenamide accelerators: sulfenamides for primary amides (type I), sulfenamides for unhindered secondary amides (type II), and sulphenamides for hindered secondary amides Sulfonamide (type 11I) R is cyclohexyl, tert-butyl, diisopropyl, dicyclohexyl, dioxyethylene; x is 1 or 2. Molecular formula abbreviated