公开(公告)号：US20140221588A1

公开(公告)日：2014-08-07

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

IPC: C08F4/76

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。

公开(公告)号：US20170009382A1

公开(公告)日：2017-01-12

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 ,  C08K9/04 ,  C08K5/098 ,  B29C55/00 ,  D01D5/088 ,  D01D10/06 ,  D01F1/10 ,  C08K5/00 ,  C08J3/075

CPC classification number: D01F6/04 ,  B29C55/005 ,  B29K2023/0683 ,  B29K2105/0005 ,  B29L2031/731 ,  C08J3/075 ,  C08J2323/06 ,  C08K5/005 ,  C08K5/0083 ,  C08K5/098 ,  C08K9/04 ,  C08L23/06 ,  C08L2203/12 ,  C08L2205/025 ,  C08L2207/068 ,  D01D5/0885 ,  D01D10/06 ,  D01F1/10 ,  D01F6/46

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.

Abstract translation: 本公开内容涉及由解缠结的超高分子量聚乙烯（dis-UHMWPE），至少一个成核剂，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。 本公开还提供了从低密度和高旦尼尔值的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的拉伸强度范围为2.5至13GPa，拉伸模量为100至270GPa。

公开(公告)号：US20160108146A1

公开(公告)日：2016-04-21

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

IPC: C08F110/02 ,  C07F7/28

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.

Abstract translation: 本公开内容涉及由式I表示的基于过渡金属的前催化剂：其中取代基具有如说明书中所定义的含义。 本公开还涉及制备由式I表示的基于过渡金属的前催化剂和由其获得的催化剂组合物的方法。 此外，本公开涉及通过使用包含由式I表示的基于过渡金属的前催化剂的催化剂组合物来聚合烯烃的方法。