中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

275 records (took 0.027 seconds)

    COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS
    76.
    发明申请
    COMPONENTS AND CATALYSTS FOR THE POLYMERIZATION OF OLEFINS 审中-公开

    公开(公告)号：WO2020035283A1

    公开(公告)日：2020-02-20

    申请号：PCT/EP2019/070086

    申请日：2019-07-25

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： GUIDOTTI, Simona ,  LIGUORI, Dario ,  MORINI, Giampiero ,  VITALE, Gianni

    IPC: C08F210/06 ,  C08F210/16 ,  C08F4/657

    Abstract: A solid catalyst component for the polymerization of olefins CH 2 =CHR in which R is hydrogen or a hydrocarbon radical with 1-12 carbon atoms, comprising Mg, Ti, Bi, halogen and an electron donor obtained from a process comprising: (a) dissolving a Mg(OR) 2 compound where R groups, equal or different to each other, are C 1 -C 15 hydrocarbon groups optionally containing a heteroatom selected from O, N and halogen, in an organic liquid medium in order to have a liquid mixture; (b) contacting the above mixture (a) with Ti Cl 4 obtaining a liquid mixture not containing solid phase, and (c) subjecting the liquid mixture (b) to conditions such that solid catalyst particles are formed, said process being characterized by the fact that (i) a Bi compound and (ii) a bidentate electron donor compound is present in one or more of steps (a) to (c) and/or contacted with the solid catalyst particles obtained from (c).

    HETEROPHASIC PROPYLENE COPOLYMERS
    79.
    发明申请
    HETEROPHASIC PROPYLENE COPOLYMERS 审中-公开
    杂原子丙烯共聚物

    公开(公告)号：WO2017076701A1

    公开(公告)日：2017-05-11

    申请号：PCT/EP2016/075684

    申请日：2016-10-25

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： MASSARI, Paola ,  CATHELIN, Caroline ,  MORINI, Giampiero ,  PIEMONTESI, Fabrizio ,  VITALE, Gianni ,  CIARAFONI, Marco ,  CAVALIERI, Claudio ,  PANTALEONI, Roberto ,  GRAZZI, Michele

    IPC: C08L23/12 ,  C08L23/08

    CPC classification number: C08L23/12 ,  C08F210/06 ,  C08L2207/02 ,  C08L2308/00 ,  C08L23/16 ,  C08F10/06 ,  C08F2/001 ,  C08F4/6492 ,  C08F210/16 ,  C08F2500/12 ,  C08F2500/17 ,  C08F4/6574

    Abstract: A polypropylene composition comprising: A) from 50 wt% to 90 wt%; of a propylene homopolymer; B) from 10 wt% to 50wt%; of a copolymer of propylene with from 30.0 wt% to 70.0wt%, of ethylene derived units; the sum of the amount of component A) and B) being 100; the composition having: i) an intrinsic viscosity of the fraction soluble in xylene at 25 °C comprised between 2.2 and 4.0 dl/g; ii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 0.5 to 100 g/10 min; iii) a xylene soluble fraction ranging from 20 wt% to 50 wt%; the polypropylene composition being obtained by a two steps polymerization process wherein the catalyst system contains bismuth.

    Abstract translation: 1.一种聚丙烯组合物，其包含：A）50重量％至90重量％; 的丙烯均聚物; B）10重量％至50重量％; 的丙烯与30.0重量％至70.0重量％的乙烯衍生的单元的共聚物; 组分A）和B）的量的总和为100; 该组合物具有：i）在25℃下可溶于二甲苯的部分的特性粘度为2.2至4.0dl / g; ii）0.5至100g / 10min的MFR L（根据ISO 1133的熔体流动速率，条件L，即230℃和2.16kg载荷）; iii）20wt％至50wt％的二甲苯可溶部分; 该聚丙烯组合物通过其中催化剂体系含有铋的两步聚合方法获得。

    CATALYST FOR THE POLYMERIZATION OF OLEFINS
    80.
    发明申请
    CATALYST FOR THE POLYMERIZATION OF OLEFINS 审中-公开
    用于烯烃聚合的催化剂

    公开(公告)号：WO2017042054A1

    公开(公告)日：2017-03-16

    申请号：PCT/EP2016/070389

    申请日：2016-08-30

    Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

    Inventor： PIEMONTESI, Fabrizio ,  VITALE, Gianni ,  LIGUORI, Dario ,  MORINI, Giampiero

    IPC: C08F110/06 ,  C08F4/657

    CPC classification number: C08F110/06 ,  C08F4/6545 ,  C08F4/651 ,  C08F2500/12 ,  C08F2500/15 ,  C08F4/657 ,  C08F4/6465

    Abstract: A catalyst for the (co)polymerization of alpha-olefins comprising the product obtained by contacting: (i) a solid catalyst component comprising Ti, Mg, Cl, and an internal electron donor compound, wherein said solid catalyst component contains from 0.1 to 50%wt of Bi with respect to the total weight of said solid catalyst component; (ii) an alkyl aluminum compound and, (iii) at least one external electron donor compound having the general formula: (R1)a Si(OR2)b wherein R8 and R9 are independently selected among alkyl radicals with 1-8 carbon atoms and a is 0 or 1 and a+b=4.

    Abstract translation: 一种用于（共）聚合α-烯烃的催化剂，其包括通过使以下物质接触获得的产物：（i）包含Ti，Mg，Cl和内部电子给体化合物的固体催化剂组分，其中所述固体催化剂组分含有0.1至50 Bi的％wt相对于所述固体催化剂组分的总重量; （ii）烷基铝化合物和（iii）至少一种具有以下通式的外部电子给体化合物：（R1）a（OR2）b其中R8和R9独立地选自具有1-8个碳原子的烷基和 a为0或1，a + b = 4。

Patent Agency Ranking