The materials INE,INF,INK,INA and IND that could come into being membrane with the main material INJ in one group,were selected. At the same time,the material INC was chosed as regulator.

• 试验筛选出与主体材料INJ共用有包膜效果的材料INE、INF、INK、INA、IND和适宜于作调理剂的材料INC。