R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.
R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.
The results show that zinc acetate - stearic acyloxy has thermal stability and synergistic effect with calcium stearate.
结果表明,硬脂酰氧基乙酸锌对PVC具有 一定的热稳定性能,与硬脂酸钙具有较好的协同作用.