六甲基二硅氮烷，无色透明液体。易水解，放出NH3，生成六甲基二硅醚。在催化剂存在下，与醇或酚反应，生成三甲基烷氧基硅烷或三甲基芳氧基硅烷。与无水氯化氢反应，放出NH3或NH4Cl，生成三甲基氯硅烷。可由三甲基氯硅烷与NH3反应来制取。用作气相法白炭黑表面疏水处理剂及有机合成反应中提供N原子的试剂，还可用作碳化硅纤维的助剂，提高碳化硅纤维的耐热性和强度，还可用作涂料的防沉淀剂。并用于制备有机硅化合物。
研究了六甲基二硅氮烷（HMDS）对电解液稳定性和锂离子电池循环性能的影响。
The effects of hexamethyldisilazane(HMDS)to the stability of electrolyte and cycle performance of Li-ion battery were studied.
以六甲基二硅氮烷为主要表面处理剂，考察了表面处理剂、处理助剂、水的用量等对白炭黑增强效果的影响。
The influence of the amount of the modifiers and co- modifiers which were used to treat the silica filler on the properties of silicone rubber was investigated.
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