公开(公告)号：WO2017021122A1

公开(公告)日：2017-02-09

申请号：PCT/EP2016/066752

申请日：2016-07-14

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： ALGOZZINI, Giuseppina, Maria ,  BRITA, Diego ,  CENCI, Massimo ,  COLLINA, Gianni ,  DALL'OCCO, Tiziano ,  DI DIEGO, Maria ,  GADDI, Benedetta ,  FUSCO, Ofelia ,  MORINI, Giampiero ,  PEDRIALI, Lorella

IPC: C08F2/34 ,  C08F110/06 ,  C08F4/651 ,  C08F4/649

CPC classification number: C08F110/06 ,  C08F4/651 ,  C08F4/6543 ,  C08F2/34 ,  C08F2500/15 ,  C08F2500/18 ,  C08F2500/12 ,  C08F110/02 ,  C08F4/6492

Abstract: A Prepolymerized catalyst component for the polymerization of olefins comprising a solid catalyst component which comprises Mg, Ti, and chlorine atoms and an electron donor (ID) said prepolymerized catalyst component being characterized by the fact that: - the electron donor (ID) is constituted by at least 80%mol of 1,3 diethers with respect to the total molar amount of electron donor compounds; -the prepolymerized catalyst has a porosity due to pores with diameters up to Ιμιη of less than 0.2 cm3/g; -it contains an amount of ethylene prepolymer of less than 45% with respect to the total weight of prepolymerized catalyst.

Abstract translation: 一种用于烯烃聚合的预聚合催化剂组分，包括含有Mg，Ti和氯原子的固体催化剂组分和电子给体（ID），所述预聚催化剂组分的特征在于：构成电子给体（ID） 相对于电子给体化合物的总摩尔量，至少80摩尔的1,3-二醚; - 预聚合的催化剂具有孔径，其孔径直径小于0.2cm 3 / g; - 相对于预聚合催化剂的总重量，其含有少于45％的乙烯预聚物。

公开(公告)号：EP3331926A1

公开(公告)日：2018-06-13

申请号：EP16739113.5

申请日：2016-07-14

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： ALGOZZINI, Giuseppina, Maria ,  BRITA, Diego ,  CENCI, Massimo ,  COLLINA, Gianni ,  DALL'OCCO, Tiziano ,  DI DIEGO, Maria ,  GADDI, Benedetta ,  FUSCO, Ofelia ,  MORINI, Giampiero ,  PEDRIALI, Lorella

IPC: C08F2/34 ,  C08F110/06 ,  C08F4/651 ,  C08F4/649

CPC classification number: C08F110/06 ,  C08F2/34 ,  C08F4/6492 ,  C08F4/651 ,  C08F10/06 ,  C08F110/02 ,  C08F2500/12 ,  C08F2500/15 ,  C08F2500/18 ,  C08F4/6543

Abstract: A gas-phase process for the homopolymerization or copolymerization of propylene with other olefins, including carrying out the polymerization in the presence of a catalyst system made from or containing: (a) a solid catalyst component made from or containing Mg, Ti, halogen, an electron donor selected from 1.3-diethers and an olefin polymer in a specific amount; (b) an aluminum alkyl compound and (c) an external electron donor (ED) compound, wherein components (b) and (c) being employed in amounts such that the Al/(ED) molar ratio ranges from about 2 to about 200.