The progress of polymeric modification technologies for cracking C5 petroleum resin were reviewed.
综述了裂解C5石油树脂的聚合改性技术进展。
The recycled waste suit-bags (main ingredient EVA) and waste crumb rubber, instead of the ordinary polymeric modifiers, were used to carry out combined modification to the common road asphalt.
以回收的包装废弃聚合物——西服包装袋(主要成分eva)代替普通聚合物改性剂，通过添加废胶粉对普通道路沥青进行复合改性。
The surface modification of polymeric materials by plasma technique were discussed. The recent advances in the preparation of immobilized enzyme carriers by plasma technique were reviewed.
本文阐述了等离子体的发生及其引起材料表面改性的主要特点。就近年来，国内外运用等离子体技术制备固定化酶载体的方法及应用情况作了综述。
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