公开(公告)号：US20140316083A1

公开(公告)日：2014-10-23

申请号：US14365357

申请日：2012-12-11

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Diego Brita ,  Gianni Collina ,  Giampiero Morini

IPC: C08F10/02

CPC classification number: C08F10/02 ,  C08F10/00 ,  C08F4/6492 ,  C08F110/06 ,  C08F4/651

Abstract: A pre-polymerized catalyst component for the polymerization of olefins endowed with high activity and morphological stability comprises a non-stereospecific solid catalyst component containing Ti, Mg and a halogen, and an amount of an ethylene/alpha-olefin block (co)polymer ranging from 0.1 up to 5 g per g of said solid catalyst component, said prepolymerized catalyst component being characterized by a mercury porosity, due to pores having radius up to 1 μm, ranging from 0.15 to 0.5 cm3/g and by the fact that at least 55% of said porosity is due to pores having pore radius up to 0.2 μm.

Abstract translation: 用于聚合具有高活性和形态稳定性的烯烃聚合的预聚合催化剂组分包括含有Ti，Mg和卤素的非立体特异性固体催化剂组分和一定量的乙烯/α-烯烃嵌段（共）聚合物范围 0.1至5g / g所述固体催化剂组分，所述预聚催化剂组分的特征在于水银孔隙率，由于孔径半径为1μm，范围为0.15至0.5cm 3 / g，并且至少 所述孔隙率的55％是由于孔半径高达0.2μm的孔。

公开(公告)号：US11926690B2

公开(公告)日：2024-03-12

申请号：US17281441

申请日：2019-09-17

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Diego Brita

IPC: C08F4/02 ,  B01J27/138 ,  B01J35/02 ,  C08F4/654 ,  C08F10/00

CPC classification number: C08F4/022 ,  C08F4/02 ,  C08F4/6545 ,  C08F10/00 ,  B01J27/138 ,  B01J35/023 ,  C08F2410/06

Abstract: A Ziegler-Natta catalyst component precursor made from or containing a mechanical mixture of (a) distinct particles of adducts of formula MgCl2(R1OH)n where R is a C1-C8 alkyl group and n is from 0.2 to 6 having average particle size (P50a) ranging from 5 to 100 μm; and (b) from 0.2 to 5.0% by weight of distinct particles of a solid compound containing more than 50% by weight of Sift units and having average particle size (P50b), wherein the ratio P50b/P50a ranges from 0.4 to 1.5.

公开(公告)号：US11673981B2

公开(公告)日：2023-06-13

申请号：US17311071

申请日：2019-12-02

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Diego Brita

IPC: C08F110/06 ,  C08F4/654 ,  C08F4/651 ,  C08F2/44 ,  C08F4/646

CPC classification number: C08F110/06 ,  C08F2/44 ,  C08F4/6465 ,  C08F4/651 ,  C08F4/6545

Abstract: A process for the preparation of a solid catalyst component made from or containing a Ti compound, a coloring agent and optionally an electron donor on a Mg chloride based support, including step (a), carried out at a temperature ranging from 0 to 150° C., wherein (i) a Mg-based compound of formula (MgClmX2-m).nLB, wherein m ranges from 0 to 2, n ranges from 0 to 6, X is, independently halogen, R1, OR1, —OCOR1 or O—C(O)—OR1 group, wherein R1 is a C1-C20 hydrocarbon group and LB is a Lewis base, is reacted with (ii) a liquid medium made from or containing a Ti compound having at least a Ti—Cl bond in an amount such that the Ti/Mg molar ratio is greater than 3; and an organic coloring agent is present either associated to the Mg-based compound or dispersed in the liquid medium made from or containing the titanium compound.

公开(公告)号：US11319424B2

公开(公告)日：2022-05-03

申请号：US17015506

申请日：2020-09-09

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Diego Brita ,  Sheri E. Davis ,  Volker Fraaije ,  Simona Guidotti ,  Dario Liguori ,  Sandor Nagy ,  David L. Ramage ,  Shahram Mihan ,  Christopher D. Smith ,  Daniel F. White ,  Xueyong Yang

IPC: C08J11/16 ,  B01J21/16

Abstract: A method of depolymerizing plastics using a halloysite catalyst is described herein. The method reduces the energy required for the depolymerization process while achieving improved depolymerization results.

公开(公告)号：US10377839B2

公开(公告)日：2019-08-13

申请号：US14419446

申请日：2013-08-01

Applicant: Basell Poliolefine Italia S.r.l.

Inventor： Daniele Evangelisti ,  Fabiana Fantinel ,  Benedetta Gaddi ,  Diego Brita ,  Gianni Collina

IPC: B01J31/38 ,  C08F10/00 ,  C08F110/02

Abstract: Solid adducts comprising MgCl2, ethanol and water characterized in that the amount of ethanol ranges from 50% to less than 57% by weight, the amount of water is ranges from 0.5 to 5% by weight, the ethanol/water weight ratio is lower than 60 and the porosity determined with Hg method due to pores with radius up to 1 μm and expressed in cm3/g, is lower than 0.2.

公开(公告)号：US20150225494A1

公开(公告)日：2015-08-13

申请号：US14419446

申请日：2013-08-01

Applicant: BASELL POLIOLEFINE ITALIA S.R.L.

Inventor： Daniele Evangelisti ,  Fabiana Fantinel ,  Benedetta Gaddi ,  Diego Brita ,  Gianni Collina

IPC: C08F110/02

CPC classification number: C08F110/02 ,  B01J31/38 ,  C08F10/00 ,  C08F4/6545 ,  C08F4/651 ,  C08F2500/12 ,  C08F2500/18 ,  C08F2500/20 ,  C08F110/06

Abstract: Solid adducts comprising MgCl2, ethanol and water characterized in that the amount of ethanol ranges from 50% to less than 57% by weight, the amount of water is ranges from 0.5 to 5% by weight, the ethanol/water weight ratio is lower than 60 and the porosity determined with Hg method due to pores with radius up to 1 μm and expressed in cm3/g, is lower than 0.2.

Abstract translation: 包含MgCl 2，乙醇和水的固体加合物，其特征在于乙醇的量为50重量％至小于57重量％，水的量为0.5-5重量％，乙醇/水重量比低于 60，孔隙度由Hg法确定，其孔径半径为1μm，表示为cm3 / g，小于0.2。