precoating material meaning in English

包模涂料

Protein a and styrene - butadiene - styrene ( sbs ) were selected as sensing membrane to cross iink antibodies ; sbs , poiyvinyi chloride ( pvc ) and poiystyrene ( ps ) are polymers and have many advantages such as easiiy obtained , convenientiy forming membranes and easi1y modified by the introduction of other functional groups . pvc . ps and sbs were used as precoating materials for immobiiizing antibody in our experiment
选择了两种固定生物大分子的敏感膜：首先，从具有原料易得，成膜方法简单，可以进行表面改性等优点的聚氯乙烯、聚苯乙烯、聚苯乙烯-丁二烯-苯乙烯共聚物三种高分子中选择出成膜迅速、均匀、膜的稳定性好、响应迅速、而且易于控制涂层厚度等优点的聚苯乙烯