公开(公告)号：US20150344593A1

公开(公告)日：2015-12-03

申请号：US14655994

申请日：2013-12-13

Applicant: RELIANCE INDUSTRIES LIMITED

Inventor： Krishna Renganath Sarma ,  Yogesh Popatrao Patil ,  Viralkumar Patel ,  Mahuya Bagui ,  Ajit Behari Mathur ,  Raksh Vir Jasra ,  Suketu Vakil ,  Vijay Shivaji Kadam ,  Uma Sankar Satpathy ,  Satya Srinivasa Rao Gandham ,  Jyotindra Bachubhai Patel ,  Mitul Sureshchandra Sheth

IPC: C08F110/02

CPC classification number: C08F110/02 ,  C08F4/6425 ,  C08F4/6426 ,  C08F4/6455 ,  C08F4/6457 ,  C08F4/649 ,  C08F10/00 ,  C08F2500/01 ,  C08F2500/17 ,  C08F2500/18 ,  C08F2500/24 ,  C08F4/6465 ,  C08F4/654

Abstract: The present disclosure provides a heterogeneous Ziegler-Natta catalyst system to be used in the preparation of ultra-high molecular weight polymers (UHMWP). The system includes at least one procatalyst, at least one co-catalyst, at least one hydrocarbon medium and at least one external donor, wherein the ratio of elemental magnesium to elemental titanium to halide, in the procatalyst, is 1:1.3:3.7; the ratio of elemental aluminum, present in the co-catalyst to elemental titanium, present in the procatalyst, ranges between 6:1 and 12:1; and the ratio of elemental silicon, present in the external donor to elemental titanium, present in the procatalyst, ranges between 1:10 and 10:1. The present disclosure also provides a process for preparation of UHMWPE using the heterogeneous Ziegler-Natta catalyst system of the present disclosure.

Abstract translation: 本公开提供了用于制备超高分子量聚合物（UHMWP）的异质齐格勒 - 纳塔催化剂体系。 该系统包括至少一种前催化剂，至少一种助催化剂，至少一种烃介质和至少一种外部供体，其中在前催化剂中元素镁与元素钛与卤化物的比例为1:1.3:3.7; 存在于前催化剂中的助催化剂中元素钛的元素铝的比例在6:1至12:1之间; 存在于前催化剂中的存在于外部供体与元素钛的元素硅的比例在1:10和10:1之间。 本公开还提供了使用本公开的异源齐格勒 - 纳塔催化剂体系制备UHMWPE的方法。

公开(公告)号：US20150005461A1

公开(公告)日：2015-01-01

申请号：US14376554

申请日：2013-01-08

Applicant: RELIANCE INDUSTRIES LIMITED

Inventor： Krishna Renganath Sarma ,  Rakshvir Jasra ,  Kayambu Kannan ,  Ajit Behari Mathur ,  Viralkumar Patel ,  Yogesh P. Patil

IPC: C08F4/76 ,  C08F4/52

CPC classification number: C08F4/76 ,  C08F4/52 ,  C08F110/02 ,  C08F10/00 ,  C08F4/64048 ,  C08F4/025 ,  C08F2500/01

Abstract: There is provided a chemically immobilized heterogeneous single site polymerization catalyst represented by Formula I. wherein, M is a Group IV transition metal; R1 is or a functionalized inorganic oxide support selected from the group consisting of such that R8 is a molecule having a carboxylic or sulphonic acid group; R2-R5, are independently, H or a hydrocarbon; R6 is t-butyl; R7 is a functionalized inorganic oxide support selected from the group consisting of such that R8 is a molecule having a carboxylic or sulphonic acid group; and X1 and X2 are independently F, Cl, Br or I. There is also provided a method for the preparation of the chemically immobilized heterogeneous single site polymerization catalyst as represented by Formula I.

Abstract translation: 提供由式I表示的化学固定的异质单位聚合催化剂，其中M是IV族过渡金属; R1是选自由以下组成的组的官能化无机氧化物载体：R8是具有羧酸或磺酸基团的分子; R2-R5独立地为H或烃; R6是叔丁基; R7是选自由以下组成的组的官能化无机氧化物载体：R8是具有羧酸或磺酸基团的分子; X1和X2独立地为F，Cl，Br或I.还提供了制备式I表示的化学固定的异质单位聚合催化剂的方法。