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公开(公告)号：US20230415127A1
公开(公告)日：2023-12-28
申请号：US18242799
申请日：2023-09-06
发明人： Jeremy M. PRAETORIUS , Eric D. SCHWERDTFEGER , Max P. MCDANIEL , Ted H. CYMBALUK , Connor D. BOXELL , Alan L. SOLENBERGER , Kathy S. CLEAR
CPC分类号： B01J23/26 , C08F10/02 , B01J21/08 , B01J35/1019 , C08F110/02 , B01J35/1047 , B01J37/0203 , B01J37/0236 , B01J37/08 , B01J35/1023
摘要： A method comprising a) drying a support material comprising silica at temperature in the range of from about 150° C. to about 220° C. to form a dried support; b) contacting the dried support with methanol to form a slurried support; c) subsequent to b), cooling the slurried support to a temperature of less than about 60° C. to form a cooled slurried support; d) subsequent to c), contacting the cooled slurried support with a titanium alkoxide to form a titanated support; and e) thermally treating the titanated support by heating to a temperature of equal to or greater than about 150° C. for a time period of from about 5 hours to about 30 hours to remove the methanol and yield a dried titanated support.
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公开(公告)号：US20180298129A1
公开(公告)日：2018-10-18
申请号：US15981489
申请日：2018-05-16
发明人： Chung TSO , Carlos A. CRUZ , Qing YANG , Max P. MCDANIEL , Jared L. BARR , Youlu YU , Yongwoo INN , Ashish M. SUKHADIA , Brandy RUTLEDGE-RYAL , Daniel G. HERT , Kelly FREY , Bill BRIDENDOLPH , William FISHER
IPC分类号： C08F210/16 , B32B27/32 , B32B37/15 , C08J7/04 , C09D123/08 , B32B7/00 , C08F210/14
CPC分类号： C08F210/16 , B29C47/0004 , B29C47/025 , B29C47/92 , B29C2947/92019 , B29C2947/92209 , B29D7/01 , B32B7/005 , B32B27/32 , B32B27/327 , B32B37/153 , B32B2250/02 , B32B2307/72 , B32B2323/046 , C08F10/02 , C08F210/14 , C08F2500/09 , C08F2500/10 , C08F2500/26 , C08J5/18 , C08J7/047 , C08J2323/20 , C09D123/0815
摘要： A polyolefin having a density of greater than about 0.930 g/ml which when extruded at a temperature in the range of from about 590° F. to about 645° F. and then coated onto a substrate at a rate of from about 300 ft/min to about 1000 ft/min has an edge weave of from about 0 in/side to about 2.5 in/side and a neck-in of less than about 3.0 in/side.
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公开(公告)号：US20140275458A1
公开(公告)日：2014-09-18
申请号：US13801193
申请日：2013-03-13
发明人： Max P. MCDANIEL , Kathy S. COLLINS
IPC分类号： C08F4/16
CPC分类号： C08F10/00 , C08F4/69 , C08F4/025 , C08F110/02 , C08F2500/03 , C08F2500/12
摘要： A method comprising contacting a silica support material with a sulfating agent to form a sulfated silica support material comprising sulfate anions; thermally treating the sulfated silica support material to form a thermally treated sulfated silica support material; contacting the thermally treated sulfated silica support material with a chromium-containing compound to form a mixture; and thermally treating the mixture to form a polymerization catalyst. A method comprising thermally treating a silica support material to form a thermally-treated silica support material; contacting the thermally-treated silica support material with a sulfating agent to form a thermally treated sulfated silica support material; thermally treating the thermally treated sulfated silica support material to form a processed silica support material; contacting the processed silica support material with a chromium-containing compound to form a precursor polymerization catalyst; and thermally treating the precursor polymerization catalyst to form a polymerization catalyst.
摘要翻译： 一种方法，包括使二氧化硅载体材料与硫酸化剂接触以形成包含硫酸根阴离子的硫酸化二氧化硅载体材料; 热处理硫酸化二氧化硅载体材料以形成经热处理的硫酸化二氧化硅载体材料; 使热处理的硫酸化二氧化硅载体材料与含铬化合物接触以形成混合物; 并对该混合物进行热处理以形成聚合催化剂。 一种方法，包括热处理二氧化硅载体材料以形成经热处理的二氧化硅载体材料; 使经热处理的二氧化硅载体材料与硫酸化剂接触以形成经热处理的硫酸化二氧化硅载体材料; 热处理热处理的硫酸化二氧化硅载体材料以形成加工的二氧化硅载体材料; 使经处理的二氧化硅载体材料与含铬化合物接触以形成前体聚合催化剂; 并对前体聚合催化剂进行热处理以形成聚合催化剂。
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公开(公告)号：US20240043578A1
公开(公告)日：2024-02-08
申请号：US18381437
申请日：2023-10-18
摘要： A pre-catalyst composition comprising: a) a silica support comprising silica wherein an amount of silica is in a range of from about 70 wt. % to about 95 wt. % based upon a total weight of the silica support; b) a titanium-containing compound wherein an amount of titanium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; c) a chromium-containing compound wherein an amount of chromium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; d) a surfactant wherein the surfactant comprises a non-ionic surfactant, a cationic surfactant, or a combination thereof; e) a carboxylate wherein the carboxylate comprises a multi carboxylate, an alpha-hydroxy carboxylate, or a combination thereof; and f) a solvent.
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5.发明申请公开(公告)号：US20220135708A1
公开(公告)日：2022-05-05
申请号：US17579177
申请日：2022-01-19
摘要： A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a solvent; a ligand comprising a glycol, a carboxylate, a peroxide, or a combination thereof, and a titanium compound having the formula Ti(acac)2(OR)2, wherein “acac” is acetylacetonate and wherein each R independently is ethyl, isopropyl, n-propyl, isobutyl, or n-butyl.
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公开(公告)号：US20210403616A1
公开(公告)日：2021-12-30
申请号：US17473353
申请日：2021-09-13
摘要： A pre-catalyst composition comprising: a) a silica support comprising silica wherein an amount of silica is in a range of from about 70 wt. % to about 95 wt. % based upon a total weight of the silica support; b) a titanium-containing compound wherein an amount of titanium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; c) a chromium-containing compound wherein an amount of chromium is in a range of from about 0.1 wt. % to about 10 wt. % based upon the total weight of the silica support; d) a surfactant wherein the surfactant comprises a non-ionic surfactant, a cationic surfactant, or a combination thereof, e) a carboxylate wherein the carboxylate comprises a multi carboxylate, an alpha-hydroxy carboxylate, or a combination thereof, and f) a solvent.
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公开(公告)号：US20210054112A1
公开(公告)日：2021-02-25
申请号：US17090590
申请日：2020-11-05
摘要： A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a titanium compound, a solvent, and a surfactant.
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公开(公告)号：US20200239608A1
公开(公告)日：2020-07-30
申请号：US16851611
申请日：2020-04-17
IPC分类号： C08F110/02 , C08F4/18 , C08F4/24
摘要： A method of preparing a catalyst support comprising contacting an acid-soluble titanium-containing compound with an acid to form a first mixture; contacting the first mixture with an alkali metal silicate to form a hydrogel which has a silica content of from about 18 wt. % to about 35 wt. % based on the total weight of the hydrogel; contacting the hydrogel with an alkaline solution to form an aged hydrogel; washing the aged hydrogel to form a washed hydrogel; and drying the washed hydrogel to produce a titanium-containing-silica support wherein the support has a pore volume equal to or greater than about 1.4 cm3/g.
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公开(公告)号：US20140275462A1
公开(公告)日：2014-09-18
申请号：US13799471
申请日：2013-03-13
发明人： Qing YANG , Max P. MCDANIEL , Joel L. MARTIN , Tony R. CRAIN , Steve M. WHARRY , Carlos A. CRUZ , Jared L. BARR , Youlu YU
IPC分类号： C08F10/02
摘要： An ethylene polymer having a density greater than about 0.930 g/ml and a level of long chain branching ranging from about 0.001 LCB/103 carbons to about 1.5 LCB/103 carbons as determined by SEC-MALS. An ethylene polymer having a level of short chain branching ranging from about 0 to about 10 mol. % and a level of long chain branching ranging from about 0.001 LCB/103 carbons to about 1.5 LCB/103 carbons as determined by SEC-MALS. An ethylene polymer having a polydispersity index ranging from about 8 to about 25 and a level of long chain branching ranging from about 0.001 LCB/103 carbons to about 1.5 LCB/103 carbons as determined by SEC-MALS.
摘要翻译： 通过SEC-MALS测定的密度大于约0.930g / ml的乙烯聚合物和长链支化水平为约0.001LCB / 103碳至约1.5LCB / 103碳。 具有约0至约10mol的短链支化水平的乙烯聚合物。 ％和水平的长链支化范围为约0.001 LCB / 103碳至约1.5 LCB / 103碳，由SEC-MALS确定。 通过SEC-MALS测定的具有约8至约25的多分散指数和长链支化水平从约0.001LCB / 103碳至约1.5LCB / 103碳的乙烯聚合物。
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公开(公告)号：US20220056173A1
公开(公告)日：2022-02-24
申请号：US17518042
申请日：2021-11-03
IPC分类号： C08F110/02 , C08F4/24 , C08F4/18
摘要： A hydrogel comprising water, and a plurality of titanium-silica nanoparticle agglomerates, wherein each titanium-silica nanoparticle agglomerate is an agglomeration of titanium-silica nanoparticles, the agglomerates having an average titanium loading designated x with a coefficient of variation for the average titanium loading of less than about 1.0, wherein a silica content of the hydrogel is of from about 10 wt. % to about 35 wt. % based on a total weight of the hydrogel.
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