Use:
This product is propylene polymerization efficient catalyst carrier of additive, in its catalyst system, it is a kind of very good outside electronic donor, to improve the catalyst, and prolong stereotactic active life plays an important role in all. This product can be used in propylene polymerization solvent method and the method of ontology of “small ontology” and continuous production shall be governed by the law of polypropylene in domestic “CS -Ⅰ” and “CS-Ⅱ” type, n-type, Q-type and import “catalyst” toshimi koitabashi, can achieve efficient catalyst performance index.