公开(公告)号：US09725569B2

公开(公告)日：2017-08-08

申请号：US15142021

申请日：2016-04-29

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Gregory S. Day ,  Jian Yang ,  Lubin Luo ,  Steven D. Brown ,  Rohan A. Hule

IPC: C08J9/00 ,  C08F4/02 ,  C08F4/6592 ,  C08F10/06 ,  C08F4/659

CPC classification number: C08J9/00 ,  C08F4/02 ,  C08F4/65912 ,  C08F4/65927 ,  C08F10/06 ,  C08J2205/044 ,  C08J2323/12 ,  C08F2/001 ,  C08F4/6492 ,  C08F4/65916 ,  C08F110/06 ,  C08F2500/15 ,  C08F2500/03 ,  C08F2500/24 ,  C08F2500/18 ,  C08F2500/12 ,  C08F2500/04 ,  C08F2500/17 ,  C08F210/06 ,  C08F210/16

Abstract: This invention relates to high porosity (≧15%) and/or low pore diameter (PD

公开(公告)号：US20160355653A1

公开(公告)日：2016-12-08

申请号：US15142021

申请日：2016-04-29

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Matthew W. Holtcamp ,  Gregory S. Day ,  Jian Yang ,  Lubin Luo ,  Steven D. Brown ,  Rohan A. Hule

IPC: C08J9/00

CPC classification number: C08J9/00 ,  C08F4/02 ,  C08F4/65912 ,  C08F4/65927 ,  C08F10/06 ,  C08J2205/044 ,  C08J2323/12 ,  C08F2/001 ,  C08F4/6492 ,  C08F4/65916 ,  C08F110/06 ,  C08F2500/15 ,  C08F2500/03 ,  C08F2500/24 ,  C08F2500/18 ,  C08F2500/12 ,  C08F2500/04 ,  C08F2500/17 ,  C08F210/06 ,  C08F210/16

Abstract: This invention relates to high porosity (≧15%) and/or low pore diameter (PD

Abstract translation: 本发明涉及使用具有高表面积（SA≥400m2 / g）的载体的单中心催化剂体系的高孔隙率（≥15％）和/或低孔径（PD <165μm）丙烯聚合物和丙烯聚合方法，低 孔体积（PV≤2mL/ g），特定平均孔径范围（PD = 1-20nm），高平均粒径（PS≥30μm）。

公开(公告)号：US10723821B2

公开(公告)日：2020-07-28

申请号：US15570809

申请日：2016-05-27

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Jian Yang ,  Lubin Luo ,  Steven D. Brown ,  Xiongdong Lian

IPC: C07F17/00 ,  C08F4/6592 ,  C08F10/06 ,  C08F110/06 ,  C08F4/659

Abstract: This invention relates to supported metallocene catalyst systems for polymerization, the catalyst systems comprising asymmetrically substituted indenyl groups, high surface area supports, and aluminoxane activators. This invention also relates to methods for polymerizing olefins, including methods for producing isotactic polypropylene.

公开(公告)号：US09611348B2

公开(公告)日：2017-04-04

申请号：US14248671

申请日：2014-04-09

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Ian C. Stewart ,  Steven D. Brown ,  Crisita Carmen H. Atienza ,  David T. Harris ,  Aaron M. Hollas

IPC: C08F4/6592 ,  C08F210/16 ,  C07F17/00 ,  C08F4/659

CPC classification number: C08F210/16 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F4/65927 ,  C08F2420/02 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/20 ,  C08F10/00

Abstract: An ethylene copolymer, a Group 4 transition metal catalyst compound, and methods for polymerization using such a compound, said compound represented by the formula: (L)p(R′)zT(Cp)(A)MX2, where M is a Group 4 metal; z is 0 to 8; p is 1 to 3; X is an anionic leaving group; T is a bridging group; R1 to R4 are hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, aryl group, substituted aryl group, or a heteroatom-containing group (where adjacent R groups can form rings); R′ is hydrogen, a C1 to C10 alkyl group, a C6 to C24 aryl group, or a C7 to C40 alkylaryl group; and L is a heteroatom or heteroatom-containing group bound to T, Cp is a cyclopentadienyl ring substituted with 0 to 4 substituent groups (where adjacent groups can form C4 to C20 rings); A is Cp or (JS′z*-1-y), where J is a Group 15 or 16 element; S′ is a hydrocarbyl, substituted hydrocarbyl, or heteroatom; z* is 2 or 3, and y is 0 or 1, is provided.

公开(公告)号：US20140316085A1

公开(公告)日：2014-10-23

申请号：US14248671

申请日：2014-04-09

Applicant: ExxonMobil Chemical Patents Inc.

Inventor： Ian C. Stewart ,  Steven D. Brown ,  Crisita Carmen H. Atienza ,  David T. Harris ,  Aaron M. Hollas

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F4/65908 ,  C08F4/65912 ,  C08F4/6592 ,  C08F4/65927 ,  C08F2420/02 ,  C08F210/14 ,  C08F2500/03 ,  C08F2500/20 ,  C08F10/00

Abstract: An ethylene copolymer, a Group 4 transition metal catalyst compound, and methods for polymerization using such a compound, said compound represented by the formula: (L)p(R′)zT(Cp)(A)MX2, where M is a Group 4 metal; z is 0 to 8; p is 1 to 3; X is an anionic leaving group; T is a bridging group; R1 to R4 are hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group, aryl group, substituted aryl group, or a heteroatom-containing group (where adjacent R groups can form rings); R′ is hydrogen, a C1 to C10 alkyl group, a C6 to C24 aryl group, or a C7 to C40 alkylaryl group; and L is a heteroatom or heteroatom-containing group bound to T, Cp is a cyclopentadienyl ring substituted with 0 to 4 substituent groups (where adjacent groups can form C4 to C20 rings); A is Cp or (JS′z*-1-y), where J is a Group 15 or 16 element; S′ is a hydrocarbyl, substituted hydrocarbyl, or heteroatom; z* is 2 or 3, and y is 0 or 1, is provided.

Abstract translation: 乙烯共聚物，第4族过渡金属催化剂化合物和使用这种化合物的聚合方法，由式（L）p（R'）zT（Cp）（A）MX2表示的所述化合物，其中M为 4金属; z为0〜8; p为1〜3; X是阴离子离去基团; T是一个桥接组; R 1至R 4是氢，烃基，取代的烃基，芳基，取代的芳基或含杂原子的基团（其中相邻的R基团可以形成环）; R'是氢，C1至C10烷基，C6至C24芳基或C7至C40烷基芳基; 并且L是与T结合的杂原子或含杂原子的基团，Cp是被0至4个取代基取代的环戊二烯基环（其中相邻基团可以形成C 4至C 20环）; A是Cp或（JS'z * -1-y），其中J是第15或16族; S'是烃基，取代的烃基或杂原子; z *为2或3，y为0或1。