“alpha olefins”的概念、定义、翻译、参考文献-科学参考

单词	alpha olefins
释义	alpha olefins Encyclopedia 工学α-烯烃释 alpha olefinsα-烯烃双键在开链分子链端部的单烯烃。分子式RCH═CH2，其中R为烷基。若R为直链烷基，则称为直链α-烯烃。丙烯等低碳烯烃也属α-烯烃的范畴，但工业上所称的α-烯烃通常碳原子数为4或6以上。作为工业产品的α-烯烃，碳数范围分布很宽（C4～C40）。主要用作共聚单体或用于合成洗涤剂醇、增塑剂醇、润滑油添加剂等精细化工产品。
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