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

采用通用苯乙烯(GPPS)制备四氧胶囊。

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

介绍新型高分丁烯双马来酸酐无灰分散剂的合成工艺。