Catalyst components for the polymerization of olefins

    公开(公告)号:US10584192B2

    公开(公告)日:2020-03-10

    申请号:US16097103

    申请日:2017-04-24

    Abstract: The present disclosure provides a solid catalyst component obtainable by a process including: (a) a first step in which Ti(OEt)4, is reacted with a Mg based compound of formula MgCln(ORI)2-n, where n is from about 0.5 to about 1.5, RI is a C1-C10 alkyl groups, the Ti(OEt)4 and the Mg compound are used in amounts such that the Ti/Mg molar ratio is of about 0.2 to about 0.4, the reaction temperature is about 110 to about 130° C., and the reaction time is about 2 to about 5 hours; and (b) a subsequent step in which the product obtained in step (a) is reacted with a Ti compound of the formula Ti(ORI)4-yCly, where y is a number between 3 and 4.

    Catalyst for the polymerization of olefins

    公开(公告)号:US10562990B2

    公开(公告)日:2020-02-18

    申请号:US15759143

    申请日:2016-08-30

    Abstract: A catalyst for the homopolymerization or copolymerization of CH2═CHR olefins, made from or containing the product obtained by contacting: (i) a solid catalyst component made from or containing Ti, Mg, Cl, and an internal electron donor compound, wherein the solid catalyst component contains from about 0.1 to about 50 wt % of Bi, based upon the total weight of the solid catalyst component; (ii) an alkyl aluminum compound and, (iii) an external electron donor compound having the formula: (R1)aSi(OR2)b wherein R1 and R2 are independently selected from the group consisting of alkyl radicals with 1-8 carbon atoms and a is 0 or 1 and a+b=4.

    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
    29.
    发明申请
    CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的催化组分

    公开(公告)号:US20150141595A1

    公开(公告)日:2015-05-21

    申请号:US14406390

    申请日:2013-05-13

    Abstract: Process for the polymerization of butene-1 carried out in the presence of a catalyst comprising (a) a solid catalyst component comprising Mg, Ti and an electron donor compound of the following formula (I) In which the R groups equal to or different from each other, are C1-C15 hydrocarbon groups, the R1-R2 groups, equal to or different from each other, are hydrogen, halogen or C1-C15 hydrocarbon groups, optionally containing an heteroatom selected from halogen, P, S, N and Si, n and m are integer from 0 to 3 with the proviso that at least one of them is different from 0; (b) An aluminium alkyl cocatalyst and (c) an external electron donor

    Abstract translation: 在催化剂存在下进行丁烯-1的聚合方法,包括(a)包含Mg,Ti和下式(I)的电子给体化合物的固体催化剂组分:其中R基团等于或不同于 彼此是C1-C15烃基,R1-R2基彼此相同或不同,是氢,卤素或C1-C15烃基,任选地含有选自卤素,P,S,N和Si的杂原子 ,n和m为0〜3的整数,条件是它们中的至少一个不同于0; (b)烷基铝助催化剂和(c)外电子给体

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