Patents by Inventor Jianjun Yi
Jianjun Yi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230183394Abstract: The present invention relates to a catalyst for propylene polymerization, a catalyst system for propylene polymerization and preparation and use thereof. The catalyst for propylene polymerization comprises: an activated magnesium halide, a titanium compound supported on the activated magnesium halide containing at least one Ti-halogen bond, and an internal electron donor compound selected from one or more of compounds having a structure of below Formula (1), wherein R1 and R6 are each independently selected from a C1-C12 straight or branched alkyl, a C3-C15 cycloalkyl or aryl, and R? is H, a C1-C5 straight or branched alkyl, or phenyl; R2, R3, R4, and R5 are each independently selected from H, halogen, a C1-C12 straight or branched alkyl, a C3-C8 cycloalkyl, a C6-C15 aryl, or arylalkyl. The present invention can provide a catalyst showing high polymerization reaction activity and excellent stereospecificity, by applying a novel type of internal electron donor.Type: ApplicationFiled: May 6, 2021Publication date: June 15, 2023Inventors: Liang CUI, Jianjun YI, Junyu LEI, Haijun HAO, Kefeng WANG, Shisheng ZHAO, Junpeng ZHUANG, Shenghui ZHANG
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Patent number: 11535638Abstract: The present disclosure discloses an arylaminosilane compound, a propylene polymerization catalyst and preparation thereof. The arylaminosilane compound has a structure of wherein R1 is a C1-C8 alkyl group or a C1-C8 silanyl group; R2, R3, R4, R5 and R6 are each independently H or a C1-C12 alkyl group; R7, R8 and R9 are each independently a C1-C8 alkyl group or a C1-C8 alkoxy group. When the arylaminosilane compound is used as an external electron donor of a propylene polymerization catalyst in propylene polymerization reaction, the catalyst has good hydrogen response.Type: GrantFiled: April 8, 2020Date of Patent: December 27, 2022Assignee: PETROCHINA COMPANY LIMITEDInventors: Jianjun Yi, Liang Cui, Xilai Zhang, Junyu Lei, Haijun Hao, Shisheng Zhao, Kefeng Wang, Junpeng Zhuang, Shenghui Zhang
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Patent number: 11084890Abstract: A magnesium alkoxide catalyst support and the preparation method and use thereof are provided. The method for preparing the magnesium alkoxide catalyst support comprises the following steps: mixing a metallic magnesium, a monohydric alcohol, a halogenating agent and a surfactant at 0° C. to 90° C. under an inert gas atmosphere, and then washing the resultant with an inert solvent to obtain the magnesium alkoxide catalyst support. A magnesium alkoxide catalyst support obtained by the above method is also provided, which can be used to catalyze olefin polymerization. The magnesium alkoxide catalyst support obtained by the above method according to the invention has excellent particle morphology and controllable size, and is suitable for preparing a catalyst for olefin polymerization.Type: GrantFiled: November 27, 2018Date of Patent: August 10, 2021Inventors: Jianjun Yi, Kefeng Wang, Jie Hu, Xingfeng Chen, Yuan Yuan, Weisong Cui, Liang Cui, Zhifei Li, Rongbo Li
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Patent number: 11014994Abstract: The present invention relates to an olefin coordination polymerization catalyst and a preparation method and application thereof. The olefin polymerization catalyst consists of a primary catalyst mainly prepared from a magnesium compound, a transition metal halide, a C2-C15 alcohol and an electron donor in a molar ratio of 1:1-40:0.01-10:0.001-10, and a co-catalyst which is an organoaluminum compound; and the molar ratio of the transition metal halide to the co-catalyst is 1:10-500. The catalyst of the present invention has a good particle morphology, and a spherical shape, and the catalyst particles do not stick to the vessel wall; the catalyst has high activity and excellent hydrogen regulation performance, and the melt index MFR of polyethylene may be adjusted within 0.01 g/10 min-550 g/10 min; and the catalyst is applicable in slurry polymerization process, loop reactor polymerization process, gas phase polymerization process or combined polymerization process.Type: GrantFiled: October 16, 2018Date of Patent: May 25, 2021Assignee: PetroChina Company LimitedInventors: Mingge Zhang, Dianjun Li, Shuo Wang, Hongming Li, Yuan Yuan, Jianjun Yi, Tianxu Sun, Jing Mao, Lin Men, Qigu Huang, Runcong Zhang, Jing Wang, Yanpei Nie
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Patent number: 10927195Abstract: The present invention provides an olefin coordination polymerization catalyst and use thereof. The composition of the raw materials of the olefin coordination polymerization catalyst comprises: a main catalyst and a cocatalyst, wherein a molar ratio of the transition metal halide in the main catalyst to the cocatalyst is 1:10-500; and the composition of the raw materials of the main catalyst comprises a magnesium compound, a transition metal halide, an alcohol having 2 to 15 carbon atoms, and a star-shaped organosiloxane compound in a molar ratio of 1:1-40:0.01-10:0.001-10; and the cocatalyst comprises an organoaluminum compound. The above olefin coordination polymerization catalyst is used as a catalyst for ethylene polymerization, propylene polymerization, and copolymerization of ethylene or propylene with an ?-olefin. The olefin polymerization catalyst of the present invention has good catalytic activity.Type: GrantFiled: October 12, 2018Date of Patent: February 23, 2021Assignee: PetroChina Company LimitedInventors: Jianjun Yi, Mingge Zhang, Hongming Li, Tianxu Sun, Yuan Yuan, Yisen Wang, Qigu Huang, Runcong Zhang, Jing Wang, Yanpei Nie
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Publication number: 20200369689Abstract: The present disclosure discloses an arylaminosilane compound, a propylene polymerization catalyst and preparation thereof. The arylaminosilane compound has a structure of wherein R1 is a C1-C8 alkyl group or a C1-C8 silanyl group; R2, R3, R4, R5 and R6 are each independently H or a C1-C12 alkyl group; R7, R8 and R9 are each independently a C1-C8 alkyl group or a C1-C8 alkoxy group. When the arylaminosilane compound is used as an external electron donor of a propylene polymerization catalyst in propylene polymerization reaction, the catalyst has good hydrogen response.Type: ApplicationFiled: April 8, 2020Publication date: November 26, 2020Inventors: Jianjun YI, Liang CUI, Xilai ZHANG, Junyu LEI, Haijun HAO, Shisheng ZHAO, Kefeng WANG, Junpeng ZHUANG, Shenghui ZHANG
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Patent number: 10808052Abstract: The present invention provides a spherical supported transition metal catalyst. The catalyst carrier is a spherical titanium/zirconium hydrophosphate compound, the primary catalyst is a transition metal compound, the co-catalyst is methylaluminoxane; the spherical titanium/zirconium hydrophosphate compound comprises one or several combinations of titanium hydrophosphate, modified titanium hydrophosphate and zirconium hydrophosphate. The present invention also provides a preparation method of said spherical supported transition metal catalyst and a use thereof in olefin polymerization, as well as the spherical titanium/zirconium hydrophosphate compound and its preparation method. The spherical, supported transition metal catalyst in the present invention has a high catalytic activity, and the polymer particles obtained have good morphology.Type: GrantFiled: February 19, 2016Date of Patent: October 20, 2020Assignee: PetroChina Company LimitedInventors: Yuan Yuan, Tianxu Sun, Jianjun Yi, Shan Xue, Kefeng Wang, Kuilong Tan, Li Wang, Rongbo Li
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Publication number: 20190248928Abstract: The present invention provides an olefin coordination polymerization catalyst and use thereof. The composition of the raw materials of the olefin coordination polymerization catalyst comprises: a main catalyst and a cocatalyst, wherein a molar ratio of the transition metal halide in the main catalyst to the cocatalyst is 1:10-500; and the composition of the raw materials of the main catalyst comprises a magnesium compound, a transition metal halide, an alcohol having 2 to 15 carbon atoms, and a star-shaped organosiloxane compound in a molar ratio of 1:1-40:0.01-10:0.001-10; and the cocatalyst comprises an organoaluminum compound. The above olefin coordination polymerization catalyst is used as a catalyst for ethylene polymerization, propylene polymerization, and copolymerization of ethylene or propylene with an ?-olefin. The olefin polymerization catalyst of the present invention has good catalytic activity.Type: ApplicationFiled: October 12, 2018Publication date: August 15, 2019Inventors: Jianjun Yi, Mingge Zhang, Hongming Li, Tianxu Sun, Yuan Yuan, Yisen Wang, Qigu Huang, Runcong Zhang, Jing Wang, Yanpei Nie
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Publication number: 20190169324Abstract: A magnesium alkoxide catalyst support and the preparation method and use thereof are provided. The method for preparing the magnesium alkoxide catalyst support comprises the following steps: mixing a metallic magnesium, a monohydric alcohol, a halogenating agent and a surfactant at 0° C. to 90° C. under an inert gas atmosphere, and then washing the resultant with an inert solvent to obtain the magnesium alkoxide catalyst support. A magnesium alkoxide catalyst support obtained by the above method is also provided, which can be used to catalyze olefin polymerization. The magnesium alkoxide catalyst support obtained by the above method according to the invention has excellent particle morphology and controllable size, and is suitable for preparing a catalyst for olefin polymerization.Type: ApplicationFiled: November 27, 2018Publication date: June 6, 2019Inventors: Jianjun YI, Kefeng Wang, Jie Hu, Xingfeng Chen, Yuan Yuan, Weisong Cui, Liang Cui, Zhifei Li, Rongbo Li
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Publication number: 20190048106Abstract: The present invention relates to an olefin coordination polymerization catalyst and a preparation method and application thereof. The olefin polymerization catalyst consists of a primary catalyst mainly prepared from a magnesium compound, a transition metal halide, a C2-C15 alcohol and an electron donor in a molar ratio of 1:1-40:0.01-10:0.001-10, and a co-catalyst which is an organoaluminum compound; and the molar ratio of the transition metal halide to the co-catalyst is 1:10-500. The catalyst of the present invention has a good particle morphology, and a spherical shape, and the catalyst particles do not stick to the vessel wall; the catalyst has high activity and excellent hydrogen regulation performance, and the melt index MFR of polyethylene may be adjusted within 0.01 g/10 min-550 g/10 min; and the catalyst is applicable in slurry polymerization process, loop reactor polymerization process, gas phase polymerization process or combined polymerization process.Type: ApplicationFiled: October 16, 2018Publication date: February 14, 2019Inventors: Mingge Zhang, Dianjun Li, Shuo Wang, Hongming Li, Yuan Yuan, Jianjun Yi, Tianxu Sun, Jing Mao, Lin Men, Qigu Huang, Runcong Zhang, Jing Wang, Yanpei Nie
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Publication number: 20180244812Abstract: The present invention provides a spherical supported transition metal catalyst. The catalyst carrier is a spherical titanium/zirconium hydrophosphate compound, the primary catalyst is a transition metal compound, the co-catalyst is methylaluminoxane; the spherical titanium/zirconium hydrophosphate compound comprises one or several combinations of titanium hydrophosphate, modified titanium hydrophosphate and zirconium hydrophosphate. The present invention also provides a preparation method of said spherical supported transition metal catalyst and a use thereof in olefin polymerization, as well as the spherical titanium/zirconium hydrophosphate compound and its preparation method. The spherical, supported transition metal catalyst in the present invention has a high catalytic activity, and the polymer particles obtained have good morphology.Type: ApplicationFiled: February 19, 2016Publication date: August 30, 2018Inventors: Yuan Yuan, Tianxu Sun, Jianjun Yi, Shan Xue, Kefeng Wang, Kuilong Tan, Li Wang, Rongbo Li
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Patent number: 9695257Abstract: The present invention relates to preparation and application of an olefin polymerization catalyst. The main catalyst is composed of a carrier, a transition metal halide, and an organic alcohol compound. The transition metal halide is obtained by in-situ reaction between titanate and silicon halide. The molar ratio of the carrier to the transition metal halide to the organic alcohol compound is 1 to 0.01-20 to 0.1-6. The molar ratio of the titanate to the silicon halide is 1 to 0.5-2. The co-catalyst is an organo-aluminum compound. The molar ratio of the transition metal halide in the main catalyst to the co-catalyst is 1 to 30-500. Particles of the catalyst are good in morphology and are in a spherical shape. The catalyst has high activity and the polymer obtained by using the catalyst has a high molecular weight. The catalyst is applicable to a slurry method, a vapor phase polymerization process, or a combined polymerization process.Type: GrantFiled: July 11, 2013Date of Patent: July 4, 2017Assignee: Petrochina Company LimitedInventors: Jianjun Yi, Qigu Huang, Hongming Li, Mingge Zhang, Zhi Liu, Wei Liu, Yisen Wang, Weisong Cui
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Publication number: 20160102159Abstract: The present disclosure provides an olefin polymerization catalyst and a combined catalyst containing the same. The catalyst comprises a reaction product of a magnesium dialkoxide, a titanium compound, an electron donor compound A and an electron donor compound B, wherein the electron donor compound A is a sulfonyl compound represented by general formula I, X is a disubstituted or unsubstituted group 14 element atom, a monosubstituted or unsubstituted group 15 element atom or group 16 element atom, and the substituent is a monocyclic, polycyclic or heteroatom-containing cyclic group or an aliphatic chain; R1 and R2 are respectively hydrogen atom, halogen atom, substituted or unsubstituted alkyl, cycloalkyl, aryl, aralkyl, alkylaryl or heteroatom-containing cyclic group. The combined catalyst comprises the catalyst and an organoaluminium compound and can comprise an organosilicon compound.Type: ApplicationFiled: October 9, 2015Publication date: April 14, 2016Inventors: Weisong Cui, Jianjun Yi, Baozuo Yin, Kejing Gao, Kefeng Wang, Kuilong Tan, Yonggang Wang, Jing Mao, Rongbo Li
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Publication number: 20160009830Abstract: The present invention relates to a supported polyolefin catalyst and its preparation and application. Its main catalyst is composed of a support and a transition metal halide; the support is composed of a magnesium halide compound, a silicon halide compound, an alcohol compound having 5 carbon atoms or less, an alcohol compound having carbon atom number of 6-20 in a molar ratio of 1:(0.1 to 20):(0.1 to 5):(0.01 to 10); the molar ratio of the magnesium halide compound and the transition metal halide is 1:(0.1 to 30); during the preparation process of the main catalyst, an organic alcohol ether compound is added, the mass ratio of the magnesium halide compound and the organic alcohol ether compound is 100:(0.1 to 20); and the molar ratio of the transition metal halide in the main catalyst and the co-catalyst is 1:(30 to 500).Type: ApplicationFiled: July 11, 2013Publication date: January 14, 2016Applicant: PETROCHINA COMPANY LIMITEDInventors: Jianjun YI, Jianchun LU, Qigu HUANG, Zhi LIU, Xuteng HU, Hongji LIU, Mingge ZHANG, Hongming LI, Kejing GAO, Baichun ZHU
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Publication number: 20150361189Abstract: The present invention relates to preparation and application of an olefin polymerization catalyst. The main catalyst is composed of a carrier, a transition metal halide, and an organic alcohol compound. The transition metal halide is obtained by in-situ reaction between titanate and silicon halide. The molar ratio of the carrier to the transition metal halide to the organic alcohol compound is 1 to 0.01-20 to 0.1-6. The molar ratio of the titanate to the silicon halide is 1 to 0.5-2. The co-catalyst is an organo-aluminum compound. The molar ratio of the transition metal halide in the main catalyst to the co-catalyst is 1 to 30-500. Particles of the catalyst are good in morphology and are in a spherical shape. The catalyst has high activity and the polymer obtained by using the catalyst has a high molecular weight. The catalyst is applicable to a slurry method, a vapor phase polymerization process, or a combined polymerization process.Type: ApplicationFiled: July 11, 2013Publication date: December 17, 2015Applicant: PETROCHINA COMPANY LIMITEDInventors: Jianjun YI, Qigu HUANG, Hongming LI, Mingge ZHANG, Zhi LIU, Wei LIU, Yisen WANG, Weisong CUI
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Patent number: 8716417Abstract: An olefin polymerization catalyst and preparation method and use thereof are provided. The components of the catalyst comprise an active magnesium halide, a titanium compound containing at least one Ti-halide bond loaded on the active magnesium halide, and an internal electron donor selected from one or more silicon esters compounds having formula (I). The method for preparing the catalyst components is that: adding spherical magnesium chloride alcoholate particles and the electron donor into the solution of titanium compound in sequence, and processing with the titanium compound for one or more times to obtain the catalyst. The catalyst system used for the olefin polymerization comprises the catalyst components, a cocatalyst and an external electron donor. The catalyst has high activity for the propylene polymerization, and the activity is 4399 gPP/gTi·h(50° C., 1 h, slurry polymerization at atmospheric pressure), and the isotacticity of the polymer is 98%.Type: GrantFiled: June 3, 2011Date of Patent: May 6, 2014Assignee: PetroChina Company LimitedInventors: Jianjun Yi, Chunming Cui, Huashu Li, Zhifei Li, Baozuo Yin, Liang Cui, Jianying Zhang, Liang Wang
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Patent number: 8541332Abstract: Disclosed is a catalyst for the polymerization of olefins comprising thienyl-substituted silanes, which comprises a solid titanium catalyst component containing titanium, magnesium and a halogen as the main components, an alkylaluminum compound, and a component of organosiloxane compound comprising two thienyl as substituents represented by general formula (I). The molar ratio of each catalyst component is 1:50-150:5-50 based on titanium:aluminum:silicon. When the catalyst is used in the polymerization of propylene, the polymerisate obtained has a very high degree of isotacticity, and the yield is high.Type: GrantFiled: June 3, 2011Date of Patent: September 24, 2013Assignee: PetroChina Company LimitedInventors: Zhifei Li, Kuilong Tan, Hao Wang, Jianjun Yi, Qinghong Xu, Weisong Cui, Wei Bai, Xinyuan Liu, Pu Xu, Wanqing Ju
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Patent number: D884498Type: GrantFiled: November 3, 2019Date of Patent: May 19, 2020Inventor: Jianjun Yi
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Patent number: D884499Type: GrantFiled: November 3, 2019Date of Patent: May 19, 2020Inventor: Jianjun Yi
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Patent number: D891949Type: GrantFiled: November 3, 2019Date of Patent: August 4, 2020Inventor: Jianjun Yi