dispersant

1.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(GPPS)了四氧化锇微胶囊。

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

介绍了新型高分子聚丁双马来酸酐无灰分散剂的合成工艺。