公开(公告)号：US06716940B1

公开(公告)日：2004-04-06

申请号：US10070120

申请日：2002-02-28

Applicant: Tiziano Dall'Occo ,  Giovanni Baruzzi ,  Diego Brita ,  Mario Sacchetti

Inventor： Tiziano Dall'Occo ,  Giovanni Baruzzi ,  Diego Brita ,  Mario Sacchetti

IPC: C08F442

CPC classification number: C08F10/00 ,  C08F4/6426

Abstract: Catalyst system for the polymerization of olefins CH2═CHR, wherein R is hydrogen or a hydrocarbon radical having 1-12 carbon atoms, comprising the product of the reaction between (a) a solid catalyst component comprising Mg, Ti, and halogen, (b) dimethylaluminium chloride (DMAC) and (c) an alkylaluinium compound, in which the molar ratio between (b) and (c) is lower than 10. This kind of catalyst system is particularly suitable for the preparation of copolymers of ethylene with &agr;-olefins due to its high capacity for incorporating the comonomer while at the same time maintaining high yields.

Abstract translation: 用于烯烃CH 2 = CHR（其中R是氢或具有1-12个碳原子的烃基）聚合的催化剂体系包括（a）包含Mg，Ti和卤素的固体催化剂组分（b ）二甲基氯化铝（DMAC）和（c）（b）和（c）之间的摩尔比低于10的烷基铝化合物。这种催化剂体系特别适用于制备乙烯与α- 烯烃，因为它具有高的并入共聚单体的能力，同时保持高产率。

公开(公告)号：US06686307B2

公开(公告)日：2004-02-03

申请号：US09993512

申请日：2001-11-05

Applicant: Mario Sacchetti ,  Gabriele Govoni ,  Anna Fait

Inventor： Mario Sacchetti ,  Gabriele Govoni ,  Anna Fait

IPC: B01J3100

CPC classification number: B01J27/138 ,  B01J31/0201 ,  C08F10/00 ,  C08F110/06 ,  C08F4/6545 ,  C08F2500/18 ,  C08F2500/20 ,  C08F4/6543 ,  C08F4/022

Abstract: The present invention relates to MgCl2.mROH.nH2O adducts, where R is a C1-C10 alkyl, 2≦m≦4.2, 0≦n≦0.7, characterized by an X-ray diffraction spectrum in which, in the range of 2&thgr; diffraction angles between 5° and 15°, the three main diffraction lines are present at diffraction angles 2&thgr; of 8.8±0.2°, 9.4±0.2° and 9.8±0.2°, the most intense diffraction lines being the one at 2&thgr;=8.8±0.2°, the intensity of the other two diffraction lines being at least 0.2 times the intensity of the most intense diffraction line. Catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity and stereospecificity with respect to the catalysts prepared from the adducts of the prior art.

Abstract translation: 本发明涉及MgCl 2·mROH·nH 2 O加合物，其中R是C 1 -C 10烷基，2 <= m <= 4.2,0 <= n <0.7，其特征在于X射线衍射光谱，其中在 2θ衍射角在5°和15°之间的范围内，三条主要的衍射线分别以8.8±0.2°，9.4±0.2°和9.8±0.2°的衍射角2θ处存在，最强的衍射线为2θ= 8.8±0.2°，其他两条衍射线的强度是最强衍射线强度的0.2倍。由本发明的加合物得到的催化剂成分能够提供用于烯烃聚合的催化剂，其特征在于增强的 相对于由现有技术的加合物制备的催化剂的活性和立体定向性。

公开(公告)号：US5698487A

公开(公告)日：1997-12-16

申请号：US451008

申请日：1995-05-25

Applicant: Mario Sacchetti ,  Stefano Pasquali ,  Gabriele Govoni

Inventor： Mario Sacchetti ,  Stefano Pasquali ,  Gabriele Govoni

IPC: C08F4/02 ,  C08F4/642 ,  C08F4/651 ,  C08F4/654 ,  C08F4/659 ,  C08F4/6592 ,  C08F10/00 ,  C08F210/16 ,  C08F4/634

CPC classification number: C08F10/00 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65922 ,  Y10S526/904 ,  Y10S526/943

Abstract: The present invention relates to components of catalysts for the polymerization of olefins comprising a metallocene compound and a magnesium halide which have particular values of porosity and surface area. In particular the components of the invention have surface area (BET) greater than about 50 m.sup.2 /g, porosity (BET) greater than about 0.15 cm.sup.3 /g and porosity (Hg) greater than 0.3 cm.sup.3 /g, with the proviso that when the surface area is less than about 150 m.sup.2 /g, the porosity (Hg) is less than about 1.5 cm.sup.3 /g. The components of the invention are particularly suitable for the preparation of catalysts for the gas-phase polymerization of .alpha.-olefins.

Abstract translation: 本发明涉及包含茂金属化合物和卤化镁的烯烃聚合用催化剂的组分，其具有特定的孔隙率和表面积值。 特别地，本发明的组分具有大于约50m 2 / g的表面积（BET），大于约0.15cm 3 / g的孔隙率（BET）和大于0.3cm 3 / g的孔隙率（Hg），条件是当 表面积小于约150m2 / g，孔隙率（Hg）小于约1.5cm 3 / g。 本发明的组分特别适用于制备用于α-烯烃的气相聚合的催化剂。

公开(公告)号：US5585317A

公开(公告)日：1996-12-17

申请号：US500032

申请日：1995-07-10

Applicant: Mario Sacchetti ,  Gianni Pennini ,  Illaro Cuffiani

Inventor： Mario Sacchetti ,  Gianni Pennini ,  Illaro Cuffiani

IPC: C08F4/02 ,  C08F4/60 ,  C08F4/654 ,  C08F10/00 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  B01J31/00

CPC classification number: C08F10/00

Abstract: The present invention relates to spherical solid components of catalysts for the polymerization of olefins comprising, supported on a magnesium dihalide in active form, a titanium compound containing at least one Ti-halogen bond and one OR group, said OR group being bonded to Ti in an amount such that the OR/Ti molar ratio is greater than or equal to 0.5; optionally the component also comprises an electron donor compound. The spherical solid components of the invention are characterized by having a porosity comprised between 0.35 and 0.7 cm.sup.3 /g and by a pore size distribution such that at least 50% of the porosity is due to pores having an average radius greater than 800 .ANG..

Abstract translation: 本发明涉及用于烯烃聚合的催化剂的球形固体组分，其包括负载在活性形式的二卤化镁上，含有至少一个Ti-卤素键的钛化合物和一个OR基团，所述OR基团与Ti键合 使OR / Ti摩尔比大于或等于0.5的量; 任选地，组分还包含电子给体化合物。 本发明的球形固体组分的特征在于具有0.35-0.7cm 3 / g的孔隙率和孔径分布，使得至少50％的孔隙率是由于平均半径大于800的孔。

公开(公告)号：US5231119A

公开(公告)日：1993-07-27

申请号：US718680

申请日：1991-06-21

Applicant: Gabriele Govoni ,  Antonio Ciarrocchi ,  Mario Sacchetti

Inventor： Gabriele Govoni ,  Antonio Ciarrocchi ,  Mario Sacchetti

IPC: C08F4/02 ,  C08F2/00 ,  C08F4/00 ,  C08F4/42 ,  C08F8/00 ,  C08F10/00 ,  C08F10/02 ,  C08F12/00 ,  C08F110/02 ,  C08F210/06 ,  C08J3/12 ,  C08J3/20 ,  C08J3/22 ,  C08J9/28

CPC classification number: C08F10/00 ,  C08J3/12 ,  C08J3/226 ,  C08F110/02

Abstract: Crystalline olefin polymers and copolymers in the form of spherical particles having porosity (expressed in percentage of voids) higher than 15%, with more than 90% of the pores having a pore diameter greater than one micron. These polymeric particulate materials find many applications, including, e.g., the preparation of masterbatches containing significant quantities of additives and/or pigments.

Abstract translation: 具有高于15％的孔隙率（以空隙百分比表示）的球形颗粒形式的结晶烯烃聚合物和共聚物，其中超过90％的孔具有大于1微米的孔径。 这些聚合物颗粒材料有许多应用，包括例如制备含有大量添加剂和/或颜料的母料。