The microstructure of the PP product prepared by catalyst ys 842 are basically identical with that of the product made by imported catalyst.
用YS 842催化剂生产的PP产品微观结构与进口催化剂生产的PP产品基本一致。
This paper analyzed the microstructure and properties of the low isotactic polypropylene (LIPP) prepared with the homemade low isotactic catalyst.
采用低等规聚丙烯(LIPP)催化剂制得LIPP，并测定其微观结构和性能。
The effect of different acid catalyst and their content on foaming process as well as the microstructure of the phenolic foams was discussed.
讨论了不同酸固化剂及其用量在树脂发泡过程中所起的作用，以及对酚醛泡沫微观结构的影响。
The effect of different acid catalyst and their content on foaming process as well as the microstructure of the phenolic foams was discussed.
讨论了不同酸固化剂及其用量在树脂发泡过程中所起的作用，以及对酚醛泡沫微观结构的影响。
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