R "is a replaceable function, e. G. Acetoxy, methoxy, their acyloxy and alkoxy homologs or halo."
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。
2
Participants of production, application, QC and R&D in automotive or related industries e. g. plastic and rubber, coating, adhesive, metal and textile are welcome to attend the symposium.