The principles and the functions of the traditional chemical cleaning, steam blowing out, silicon cleaning and flushing with bypass in the new units are introduced. 介绍了传统的新建机组的化学清洗、吹管、洗硅及带旁路清洗等的工艺原理和作用及这些工艺的不足之处和改进方向。
Study on Preparation of High-expanded polypropylene foams using chemical blowing process chemical blowing agents in plastics processing 高发泡倍率聚丙烯泡沫材料的制备塑料用化学发泡剂
A new type sound absorbing foamed composites mainly made from inorganic fiber and polymer has been produced by the thermal decomposition of chemical blowing agents. 以聚合物和无机纤维为主要原料,用化学发泡方法制成了一种新型泡沫吸声材料。
Preparation of high-expanded PP foams with chemical blowing process C高;高发泡倍率聚丙烯泡沫材料的研制
The influences of chemical blowing agent AC and cross-link agent DCP on LDPE/ EPDM foam forming technology were discussed in detail. 重点讨论了发泡剂AC、交联剂DCP对低密度聚乙烯/三元乙丙橡胶(LDPE/EPDM)发泡工艺的影响。