[특허]Methods of preparing a polymerization catalyst

[미국특허] Methods of preparing a polymerization catalyst 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01J-021/06 B01J-023/26
출원번호	UP-0862014 (2007-09-26)
등록번호	US-7700516 (2010-05-20)
발명자 / 주소	McDaniel, Max P. Collins, Kathy S.
출원인 / 주소	Chevron Phillips Chemical Company LP
대리인 / 주소	Conley Rose, P.C.
인용정보	피인용 횟수 : 11 인용 특허 : 13

초록 ▼

A method of preparing a catalyst comprising contacting a support with a trivalent titanium compound and a chromium-containing compound. A catalyst composition comprising a support, chromium, and titanium, wherein the titanium is derived from TiCl3, Ti2(SO4)3, Ti(OAc)3, Ti(+3) oxylate, Ti(NO3)3, Ti(+

대표청구항 ▼

What is claimed is: 1. A method of preparing a catalyst comprising: contacting a support with a chromium-containing compound and an aqueous solution comprising a trivalent titanium compound to form a catalyst precursor; drying the catalyst precursor in an inert atmosphere to form a dried catalyst precursor; and calcining the dried catalyst precursor in an oxidizing atmosphere to produce a catalyst. 2. The method of claim 1 wherein the support comprises an inorganic oxide. 3. The method of claim 1 wherein the support comprises silica. 4. The method of claim 1 wherein the surface area of the support ranges from about 100 m2/g to about 1000 m2/g. 5. The method of claim 1 wherein the trivalent titanium compound comprises TiCl3, Ti2(SO4)3, Ti(OAc)3, Ti(+3) oxylate, Ti (NO3)3, Ti(+3) lactate or combinations thereof. 6. The method of claim 1 wherein the titanium is present in the catalyst in an amount ranging from about 0.1% to about 10% by weight of the catalyst. 7. The method of claim 1 wherein the chromium-containing compound is a water-soluble compound. 8. The method of claim 1 wherein the chromium is present in the catalyst in an amount ranging from about 0.01% to about 10% by weight of the catalyst. 9. The method of claim 1 wherein the support is contacted with the compound comprising trivalent titanium prior to contact with the chromium-containing compound. 10. The method of claim 1 wherein the support is contacted with the compound comprising trivalent titanium subsequent to contact with the chromium-containing compound. 11. The method of claim 1 wherein the support is simultaneously contacted with the compound comprising trivalent titanium and the chromium-containing compound. 12. The method of claim 1 further comprising calcining the support after addition of the titanium, the chromium, or both. 13. The method of claim 12 wherein the calcining is carried out in a temperature range of from about 400° C. to about 1000° C. 14. A polymerization catalyst as produced by the method of claim 1. 15. The method of claim 1 further comprising contacting the catalyst with an olefin monomer under suitable polymerization conditions and producing a polymer having an increased high load melt index when compared to a polymer produced using a catalyst prepared with a tetravalent titanium species in aqueous solution. 16. The method of claim 1 further comprising contacting the catalyst with an olefin monomer under suitable polymerization conditions, and producing a polymer having a lower molecular weight when compared to a polymer produced using an a catalyst prepared with a tetravalent titanium species in aqueous solution. 17. The method of claim 1 further comprising contacting the catalyst with an olefin monomer under suitable polymerization conditions and producing a polymer having a broader molecular weight distribution when compared to a polymer produced using a catalyst prepared with a tetravalent titanium species in aqueous solution. 18. The method of claim 1 further comprising contacting the catalyst with an olefin monomer under suitable polymerization conditions and producing a polymer having an increased melt index when compared to a polymer produced using a catalyst prepared with a tetravalent titanium species in aqueous solution. 19. The method of claim 1 wherein the inert atmosphere comprises vacuum, helium, argon, nitrogen gas, or combinations thereof. 20. The method of claim 1 wherein the drying is carried out in a temperature range of from about 25° C. to about 300° C.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Hottovy John D. (Bartlesville OK) Lawrence Frederick C. (Bartlesville OK) Lowe Barry W. (Bartlesville OK) Fangmeier James S. (Bartlesville OK), Apparatus and method for producing ethylene polymer.
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Chester Arthur W. (Cherry Hill NJ) Murray James G. (East Brunswick NJ), Catalysts for olefin polymerization comprising the reaction product of organotitanium and organochromium with zeolites.
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Toma, Tetsuo; Yamada, Tetsuo; Inuiya, Masashi, Charge transfer of solid-state image pickup device.
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Kendrick, James Austin; Towles, Thomas W.; Roger, Scott Thomas, Continuous slurry polymerization process and appparatus.
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Sherk Fred T. (Bartlesville OK) Inkrott Janet L. (Bartlesville OK), Diluent and inert gas recovery from a polymerization process.
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Hottovy John D. ; Burns David H. ; Kufeld Scott E. ; Roetman Timothy ; Vaidyanathan Ragavan, Diluent slip stream to give catalyst wetting agent.
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Hottovy John D. ; Hensley Harvey D. ; Przelomski David J. ; Cymbaluk Teddy H. ; Franklin ; III Robert K. ; Perez Ethelwoldo P., High solids slurry polymerization.
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Burns David H. (Houston TX) Martin William E. (Houston TX), Method for controlling removal of polymerization reaction effluent.
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Jenkins ; III John M. (So. Charleston WV) Jones Russell L. (Chapel Hill NC) Jones Thomas M. (So. Charleston WV) Beret Samil (Danville CA), Method for fluidized bed polymerization.
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Hanson Donald O. (Bartlesville OK), Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator.
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DeChellis Marc L. (Houston TX) Griffin John R. (Baytown TX), Process for polymerizing monomers in fluidized beds.
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Griffin John R. (Baytown TX) DeChellis Marc L. (Houston TX), Process for polymerizing monomers in fluidized beds.
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McCann David H (Administrator of the National Aeronautics and Space Administration ; with respect to an invention of David H. McCann ; Marvin H. White ; Alfred P. Turly Ellicott MD) White Marvin H. (, Time delay and integration detectors using charge transfer devices.
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이 특허를 인용한 특허 (11) 인용/피인용 타임라인 분석

Benham, Elizabeth A.; McDaniel, Max P.; Collins, Kathy S., Additives to chromium catalyst mix tank.
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Benham, Elizabeth A.; McDaniel, Max P.; Collins, Kathy S., Additives to chromium catalyst mix tank.
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Yu, Youlu; Schwerdtfeger, Eric D.; McDaniel, Max P.; Solenberger, Alan L.; Clear, Kathy S., Long chain branched polymers and methods of making same.
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Yu, Youlu; Schwerdtfeger, Eric D.; McDaniel, Max P.; Solenberger, Alan L.; Clear, Kathy S., Long chain branched polymers and methods of making same.
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Yu, Youlu; Schwerdtfeger, Eric D.; McDaniel, Max P.; Solenberger, Alan L.; Collins, Kathy S., Long chain branched polymers and methods of making same.
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McDaniel, Max P.; Collins, Kathy S., Methods of preparing a catalyst.
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McDaniel, Max P.; Schwerdtfeger, Eric D.; Praetorius, Jeremy M.; Solenberger, Alan L.; Clear, Kathy S., Methods of preparing a catalyst.
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Praetorius, Jeremy M.; Schwerdtfeger, Eric D.; McDaniel, Max P.; Cymbaluk, Ted H.; Boxell, Connor D.; Collins, Kathy S.; Solenberger, Alan L., Methods of preparing a catalyst.
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Praetorius, Jeremy M.; Schwerdtfeger, Eric D.; McDaniel, Max P.; Cymbaluk, Ted H.; Boxell, Connor D.; Collins, Kathy S.; Solenberger, Alan L., Methods of preparing a catalyst.
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Praetorius, Jeremy M.; Schwerdtfeger, Eric D.; McDaniel, Max P.; Cymbaluk, Ted H.; Boxell, Connor D.; Solenberger, Alan L.; Clear, Kathy S., Methods of preparing a catalyst.
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McDaniel, Max P.; Kelly, Stephen L., Reinforcement of a chromium/silica catalyst with silicate oligomers.
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[미국특허] Methods of preparing a polymerization catalyst 원문보기

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