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公开(公告)号：US09915012B2
公开(公告)日：2018-03-13
申请号：US14892817
申请日：2014-05-21
Applicant: Reliance Industries Limited
Inventor： Uma Sankar Satpathy , Satya Srinivasa Rao Gandham , Ajit Behari Mathur , Raksh Vir Jasra , Krishna Renganath Sarma , Amit Kumar Punamchand Shah , Yogini Maheshbhai Amin , Gaurang Manilal Mehta , Nanubhai Fuljibhai Patel , Viralkumar Patel
CPC classification number: D01F6/04 , B29C47/0004 , B29C47/0014 , B29C47/0896 , B29K2023/0683 , B29L2031/731 , C08J3/075 , C08J2323/06 , C08K13/06 , D01F1/10 , C08F110/02 , C08F2500/01
Abstract: The present disclosure relates to a compact polymer gel consisting of ultrahigh molecular weight polyethylene (UHMWPE), at least one nucleator, at least one filler and at least one fluid medium. The present disclosure also provides a process for the preparation of the compact polymeric gel and fibers from the compact polymeric gel. The fibers prepared in accordance with the present process have tensile strength ranging from 2.5 to 10 GPa and tensile modulus ranging from 110 to 300 GPa.
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公开(公告)号：US09611345B2
公开(公告)日：2017-04-04
申请号：US14785306
申请日：2014-04-15
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Mahuya Bagui , Yogesh Popatrao Patil , Viralkumar Patel , Krishna Renganath Sarma , Raksh Vir Jasra , Ajit Behari Mathur , Suketu Vakil
CPC classification number: C08F110/02 , B01J31/2243 , B01J2531/0252 , B01J2531/46 , B01J2531/49 , B01J2531/56 , B01J2531/57 , B01J2531/58 , B01J2531/66 , B01J2531/72 , B01J2531/74 , B01J2531/842 , C07F7/003 , C07F7/28 , C08F10/02 , C08F4/64189 , C08F2500/01 , C08F2500/18 , C08F2500/17 , C08F2500/24
Abstract: The present disclosure relates to a transition metal based pro-catalyst represented by Formula I: wherein, the substituents have the meaning as defined in the specification. The present disclosure also relates to a process for preparing the transition metal based pro-catalyst represented by Formula I and the catalyst composition obtained therefrom. Further, the present disclosure relates to a process for polymerizing olefins by employing the catalyst composition comprising the transition metal based pro-catalyst represented by Formula I.
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公开(公告)号：US10544243B2
公开(公告)日：2020-01-28
申请号：US15114490
申请日：2015-02-16
Applicant: Reliance Industries Limited
Inventor： Yogesh Popatrao Patil , Krishna Renganath Sarma , Mahuya Bagui , Viralkumar Patel , Raksh Vir Jasra , Ajit Behari Mathur , Suketu Vakil
IPC: C08F110/02 , C08F4/648
Abstract: The present disclosure provides a Ziegler-Natta catalyst composition for preparing polymers of ethylene monomers having ultrahigh molecular weight, said composition comprises (i) a pro-catalyst component containing a reaction product of a magnesium containing compound and a titanium containing compound, characterized in that said pro-catalyst component comprises magnesium, titanium and chlorine in an amount ranging between 15 and 18 mole %; 20 and 23 mole %; and 60 and 64 mole %, respectively, all proportions being with respect to the total weight of the Ziegler-Natta catalyst composition; (ii) a co-catalyst component; and (iii) at least one external electron donor compound selected from the group of organosilane compounds having the general formula (I), wherein R1, R2, R3 and R4 are all the same or all are different, or some are the same, and are individually selected from the group consisting of linear or branched alkyl groups, cycloalkyl groups, aryl groups, alkoxy and aryloxy groups.
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4.发明申请Heterogeneous Ziegler-Natta Catalyst System And A Process For Olefin Polymerization Using The Same 有权非均相齐格勒 - 纳塔催化剂体系及其烯烃聚合方法公开(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。
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5.发明申请IMMOBILIZATION OF SINGLE SITE CATALYST ON INORGANIC OXIDE SUPPORT FOR PREPARATION OF UHMWPE 有权用于制备UHMWPE的无机氧化物支持下单一催化剂的稳定化公开(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
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。
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Patent Agency Ranking
公开(公告)号：US20160168758A1
公开(公告)日：2016-06-16
申请号：US14892817
申请日：2014-05-21
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Uma Sankar Satpathy , Satya Srinvasa Rao Gandham , Ajit Behari Mathur , Raksh Fir Jasra , Krishna Renganath Sarma , Amit Kumar Punamchand Shah , Yogini Maheshbhai Amin , Gaurang Manilal Mehta , Nanubhai Fuljibhai Patel , Viralkumar Patel
CPC classification number: D01F6/04 , B29C47/0004 , B29C47/0014 , B29C47/0896 , B29K2023/0683 , B29L2031/731 , C08J3/075 , C08J2323/06 , C08K13/06 , D01F1/10 , C08F110/02 , C08F2500/01
Abstract: The present disclosure relates to a compact polymer gel consisting of ultrahigh molecular weight polyethylene (UHMWPE), at least one nucleator, at least one filler and at least one fluid medium. The present disclosure also provides a process for the preparation of the compact polymeric gel and fibers from the compact polymeric gel. The fibers prepared in accordance with the present process have tensile strength ranging from 2.5 to 10 GPa and tensile modulus ranging from 110 to 300 GPa.
Abstract translation: 本公开涉及由超高分子量聚乙烯（UHMWPE），至少一种成核剂，至少一种填料和至少一种流体介质组成的致密聚合物凝胶。 本公开还提供了用于从紧密聚合物凝胶制备紧密聚合物凝胶和纤维的方法。 根据本方法制备的纤维具有2.5至10GPa的拉伸强度和110至300GPa的拉伸模量。
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7.发明授权Immobilization of single site catalyst on inorganic oxide support for preparation of UHMWPE 有权固定单位催化剂对无机氧化物载体的制备UHMWPE公开(公告)号：US09260538B2
公开(公告)日：2016-02-16
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 , C08F110/02
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。
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公开(公告)号：US10190236B2
公开(公告)日：2019-01-29
申请号：US15119308
申请日：2015-02-17
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Uma Sankar Satpathy , Satya Srinivasa Rao Gandham , Ajit Behari Mathur , Raksh Vir Jasra , Krishna Renganath Sarma , Amit Kumar Punamchand Shah , Yogini Maheshbhai Amin , Gaurang Manilal Mehta , Nanubhai Fuljibhai Patel , Viralkumar Patel
IPC: D01F6/04 , C08L23/06 , D01F6/46 , D01F1/10 , B29C55/00 , C08J3/075 , C08K5/00 , C08K5/098 , C08K9/04 , D01D5/088 , D01D10/06 , B29K23/00 , B29K105/00 , B29L31/00
Abstract: The present disclosure relates to a compact polymer gel consisting of disentangled ultrahigh molecular weight polyethylene (dis-UHMWPE), at least one nucleator, at least one filler and at least one fluid medium. The present disclosure also provides a process for the preparation of the compact polymeric gel and fibers from the compact polymeric gel of both low and high denier values. The fibers prepared in accordance with the present process have tensile strength ranging from 2.5 to 13 GPa, tensile modulus ranging from 100 to 270 GPa.
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9.发明授权公开(公告)号：US09884927B2
公开(公告)日：2018-02-06
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: C08F4/654 , C08F4/655 , C08F4/656 , C08F10/02 , C08F110/02 , C08F4/649 , C08F4/642 , C08F4/645 , C08F10/00
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.
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公开(公告)号：US09175108B2
公开(公告)日：2015-11-03
申请号：US14250214
申请日：2014-04-10
Applicant: RELIANCE INDUSTRIES LIMITED
Inventor： Krishna Renganath Sarma , Ajit Behari Mathur , Rakshvir Jasra , Sudhakar Padmanabhan , Shashikant , Viralkumar Patel
CPC classification number: C08F4/76 , C08F4/64048 , C08F10/02 , C08F110/02 , C08F2500/01 , C08F2500/17
Abstract: The present invention relates to a non-cryogenic process for the large scale synthesis of disentangled ultra high molecular weight polyethylene (DUHMWPE) polymers. The process comprises of the following steps: a. mixing FI catalyst of formula I with a hydrocarbon solvent containing poly-methyl aluminoxane (P-MAO) co-catalyst in a vessel under stirring before polymerization or directly in the polymerization vessel at a temperature ranging between 25° C. and 29° C. under a dry Nitrogen atmosphere; and lower concentration of co-catalyst resulting in the associated benefits as described earlier in the claims and descriptions. b. pressurizing ethylene in the polymerization vessel and polymerizing ethylene in a solution or a suspension, continuously or batch wise, in one or more stages at a temperature is in the range of 30° C. to 50° C.
Abstract translation: 本发明涉及用于大规模合成解缠结超高分子量聚乙烯（DUHMWPE）聚合物的非低温方法。 该过程包括以下步骤：a。 在聚合之前搅拌下将式I的FI催化剂与含有聚甲基铝氧烷（P-MAO）助催化剂的烃溶剂混合在容器中，或直接在聚合容器中，温度范围为25℃至29℃。 在干燥氮气氛下; 并且较低浓度的助催化剂导致如权利要求和描述中所述的相关益处。 b。 在聚合容器中加压乙烯并在一个或多个阶段中在连续或间歇的溶液或悬浮液中聚合乙烯的温度在30℃至50℃的范围内。
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