Preparation of microencapsulated osmium tetraoxide from GPPS was reported,and effect of solvent,temperature and dispersant was analyzed.

采用通用聚苯乙烯(GPPS)制备了四氧化锇微胶。

The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.

了新型高子聚丁烯双马来酸酐散剂的合成工艺。