公开(公告)号：US20060247394A1

公开(公告)日：2006-11-02

申请号：US11117872

申请日：2005-04-29

Applicant: William Gauthier ,  Jun Tian ,  Shady Henry ,  Nathan Williams

Inventor： William Gauthier ,  Jun Tian ,  Shady Henry ,  Nathan Williams

IPC: C08F2/00

CPC classification number: C08F210/16 ,  C08F4/65912 ,  C08F4/65916 ,  C08F10/00 ,  C08F210/06 ,  C08F4/65927 ,  C08F2500/03 ,  C08F2500/20

Abstract: Random copolymers may be prepared using a process that includes polymerizing a mixture of monomers including at least propylene and ethylene monomer, in the presence of a catalyst system including a metallocene catalyst having the general structure: racemic-X(2-R1-4-R2-Ind)2MCl2 wherein M is a Group 4, 5 or 6 transition metal, or a lanthanide or actinide series metal; X is a structural bridge imparting stereorigidity; R1 is hydrogen or an alkyl, aryl or a substitution moiety; R2 is hydrogen, or a C1-C4 alkyl; and Ind is an indenyl group. The copolymers are prepared under reaction conditions suitable to form a copolymer, wherein the copolymer has a higher level of ethylene incorporation than a corresponding polymer formed under otherwise identical reaction conditions except that a different bisindeny metallocene catalyst having a 4-indenyl substitution larger than 4 carbons is used. The copolymers may have a lower melt temperature than the corresponding polymers. The resulting copolymers may be used to prepare articles of manufacture including, but not limited to films, fibers and injection molded articles.

Abstract translation: 无规共聚物可以使用包括聚合包含至少丙烯和乙烯单体的单体的混合物在内的方法在包括具有以下通式结构的茂金属催化剂的催化剂体系存在下的方法来制备： 线式“end =”lead“？>外消旋-X（2-R 1 - 4-R 2 -Ind）2 MCl 其中M是第4,5或6族过渡金属，或镧系元素或锕系元素系列金属 ; X是赋予立体感的结构桥梁; R1是氢或烷基，芳基或取代部分; R 2是氢或C 1 -C 4烷基; 而Ind是茚基。 共聚物在适于形成共聚物的反应条件下制备，其中共聚物具有比在其他相同反应条件下形成的相应聚合物更高的乙烯掺入水平，不同之处在于使用具有4-茚基取代基大于4个碳原子的不同的双茚基茂金属催化剂 用来。 共聚物可以具有比相应聚合物更低的熔融温度。 所得共聚物可用于制备制品，包括但不限于薄膜，纤维和注模制品。

公开(公告)号：US07129297B2

公开(公告)日：2006-10-31

申请号：US10674034

申请日：2003-09-29

Applicant: Jose M. Sosa

Inventor： Jose M. Sosa

IPC: C08L23/12 ,  C08L23/16 ,  C08L25/16

CPC classification number: C08L25/06 ,  C08K5/14 ,  C08L21/00 ,  C08L23/08 ,  C08L23/12 ,  C08L2205/03 ,  C08L2666/04 ,  C08L2666/06

Abstract: Disclosed are blends of polystyrene and at least one of syndiotactic polypropylene, ethylene propylene copolymers, and styrene-butadiene-styrene triblock copolymers. These blends are prepared using solution polymerization and have unique morphologies and desirable physical properties. The blends can also be prepared with graft-promoting or crosslinking agents and rubbers to prepare modified high impact polystyrene.

公开(公告)号：US07105711B2

公开(公告)日：2006-09-12

申请号：US10631687

申请日：2003-07-31

Applicant: James T. Merrill

Inventor： James T. Merrill

IPC: C07C5/10

CPC classification number: C07C5/09 ,  C07C7/167 ,  C07C2521/04 ,  C07C2523/72 ,  C07C15/46

Abstract: A process for the reduction of a phenylacetylene contaminant in the presence of a styrene monomer. A styrene monomer stream containing a minor amount of phenylacetylene is supplied to a hydrogenation reactor. A hydrogenation gas comprising hydrogen is also supplied to the hydrogenation reactor. The styrene monomer stream and the hydrogen are brought into contact with a catalyst bed containing a catalyst comprising a reduced copper compound on a theta alumina support. The hydrogenation reactor is operated at a temperature of at least 60° C. and a pressure of at least 30 psig to hydrogenate phenylacetylene to styrene. A product is recovered from the hydrogenation reactor having a substantially reduced phenylacetylene content and an enhanced styrene content. The hydrogenation gas comprises a mixture of nitrogen and hydrogen.

Abstract translation: 在苯乙烯单体存在下还原苯乙炔污染物的方法。 将含有少量苯乙炔的苯乙烯单体流供给到氢化反应器。 包含氢的氢化气体也被供给到氢化反应器。 使苯乙烯单体流和氢与含有还原铜化合物的催化剂床在θ氧化铝载体上接触。 氢化反应器在至少60℃的温度和至少30psig的压力下操作以将苯乙炔氢化成苯乙烯。 从具有显着降低的苯乙炔含量和增强的苯乙烯含量的氢化反应器中回收产物。 氢化气体包括氮和氢的混合物。

公开(公告)号：US20060194992A1

公开(公告)日：2006-08-31

申请号：US11361817

申请日：2006-02-24

Applicant: James Butler ,  Marcus Ledoux ,  Michael Betbeze

Inventor： James Butler ,  Marcus Ledoux ,  Michael Betbeze

IPC: C07C2/64

CPC classification number: C07C5/333 ,  C07C2529/06 ,  C07C15/46

Abstract: Methods and processes for reducing alkylation catalyst poisoning are described herein. Such methods generally include contacting ethylbenzene with a dehydrogenation catalyst to form a dehydrogenation output stream within a dehydrogenation system and passing at least a portion of the dehydrogenation output stream to an alkylation system, wherein the at least a portion of the dehydrogenation output stream contacts an alkylation catalyst. The at least a portion of the dehydrogenation output stream includes a level of impurities resulting from offtest and wherein the level of impurities is sufficiently low to result in essentially no observed effect on the alkylation catalyst life in comparison with an alkylation system feed absent offtest.

Abstract translation: 本文描述了用于还原烷基化催化剂中毒的方法和方法。 这样的方法通常包括使乙苯与脱氢催化剂接触以在脱氢系统内形成脱氢输出流并将脱氢输出流的至少一部分通入烷基化系统，其中至少部分脱氢输出流接触烷基化 催化剂。 脱氢输出流的至少一部分包含由最短的杂质产生的杂质水平，并且其中杂质水平足够低以致于与烷基化系统进料相比基本上没有观察到对烷基化催化剂寿命的影响。

公开(公告)号：US20060194991A1

公开(公告)日：2006-08-31

申请号：US11326666

申请日：2006-01-07

Applicant: James Butler ,  Jim Merrill ,  Marcus Ledoux ,  Michael Betbeze

Inventor： James Butler ,  Jim Merrill ,  Marcus Ledoux ,  Michael Betbeze

IPC: C07C2/00

CPC classification number: C07C2/66 ,  C07C6/126 ,  C07C15/073

Abstract: Alkylation processes are described herein. The alkylation process generally includes contacting an input stream including benzene with an alkylation catalyst and an alkylating agent to form an alkylation output stream including ethylbenzene. The alkylation process further includes contacting at least a portion of the alkylation output stream with a transalkylation catalyst and a benzene source to form a transalkylation output stream, wherein the benzene source is selected to minimize the amount of alkylation catalyst poisons contacting the alkylation catalyst.

Abstract translation: 烷基化方法在本文中描述。 烷基化方法通常包括使包含苯的输入流与烷基化催化剂和烷基化剂接触以形成包括乙苯的烷基化输出流。 烷基化方法还包括使烷基化输出流的至少一部分与烷基转移催化剂和苯源接触以形成烷基转移输出流，其中选择苯源以使与烷基化催化剂接触的烷基化催化剂毒物的量最小化。

公开(公告)号：US07094938B1

公开(公告)日：2006-08-22

申请号：US11133855

申请日：2005-05-20

Applicant: Vladimir Marin ,  Abbas Razavi

Inventor： Vladimir Marin ,  Abbas Razavi

IPC: C07C13/465 ,  B01J31/00 ,  C07F17/00 ,  C08F4/44

CPC classification number: C07C17/2632 ,  C07C1/26 ,  C07C1/28 ,  C07C1/321 ,  C07C1/325 ,  C07C17/12 ,  C07C17/32 ,  C07C2531/24 ,  C07C2603/18 ,  C08F110/02 ,  C08F110/06 ,  C07C13/567 ,  C07C25/18 ,  C07C25/22 ,  C07C22/04 ,  C08F2500/15 ,  C08F2500/16

Abstract: Methods for the preparation of fluorenyl-type ligand structures and substituted fluorenyl groups which may be employed in metallocene-type olefin polymerization catalysts. There is provided a 2,2′-dihalogen-diphenylmethylene having a methylene bridge connecting a pair of phenyl groups. Each phenyl group has a halogen on a proximal carbon atom relative to the methylene bridge. The halogenated diphenylmethylene is reacted with a coupling agent comprising a Group 2 or 12 transition metal in the presence of a nickel or palladium-based catalyst to remove the halogen atoms from the phenyl groups and couple the phenyl groups at the proximal carbon atoms to produce a fluorene ligand structure. The coupling agent may be zinc, cadmium or magnesium and the catalyst may be a monophosphene nickel complex. The halogenated diphenylmethylene may be an unsubstituted ligand structure or a monosubstituted or disubstituted ligand structure. The halogenated diphenylmethylene may be monosubstituted with a tertiary butyl group or may be a dialkyl diphenylmethylene having alkyl substituents at the directly distal positions of the phenyl groups relative to the methylene bridge.

公开(公告)号：US20060135831A1

公开(公告)日：2006-06-22

申请号：US11020978

申请日：2004-12-22

Applicant: James Butler ,  Gary Reed

Inventor： James Butler ,  Gary Reed

IPC: C07C2/64 ,  B01J8/00 ,  B01J8/04

CPC classification number: B01J8/065 ,  B01F5/0602 ,  B01J8/009 ,  B01J8/067 ,  B01J2208/00309 ,  B01J2208/00407 ,  B01J2208/00415 ,  B01J2208/00716 ,  B01J2208/0084 ,  B01J2208/00849 ,  B01J2208/00884 ,  C07C5/333 ,  Y10S585/921 ,  Y10S585/922 ,  Y10S585/923 ,  Y10S585/924 ,  C07C15/44 ,  C07C15/46

Abstract: A process for the dehydrogenation of a C2 or C3 alkyl aromatic compound to a corresponding vinyl aromatic compound in a tubular reactor incorporating a spiral flow path. Preferred embodiments of the invention provide processes for the production of styrene or divinylbenzene by the catalytic dehydrogenation of ethylbenzene or diethylbenzene, respectively. A feedstock containing a C2 or C3 alkyl aromatic and steam is supplied into the inlet of a tubular reactor containing a dehydrogenation catalyst and comprising a hydrogen permeable outer wall. The alkyl aromatic compound is dehydrogenated to a corresponding vinyl aromatic compound with the attendant production of hydrogen. The feedstock and products of the dehydrogenation reactor are flowed along a longitudinal spiral flow path providing for an outward radial flow of hydrogen to provide a pressure gradient through the hydrogen permeable outer wall of the reactor with the flow of hydrogen therethrough. Hydrogen is removed from the outer wall of the reactor. The resulting vinyl aromatic product is recovered from the tubular reactor.

Abstract translation: 一种在含有螺旋流路的管式反应器中将C 2或C 3烷基芳族化合物脱氢成相应的乙烯基芳族化合物的方法。 本发明的优选实施方案分别通过乙苯或二乙苯的催化脱氢来提供生产苯乙烯或二乙烯基苯的方法。 含有C 2或C 3烷基芳族和蒸汽的原料被供应到含有脱氢催化剂并包含氢可渗透外壁的管式反应器的入口中。 烷基芳族化合物被氢化成相应的乙烯基芳族化合物，同时产生氢气。 脱氢反应器的原料和产物沿着纵向螺旋流动路径流动，提供氢的向外径向流动，以通过氢气流通过反应器的氢可渗透外壁提供压力梯度。 氢从反应器的外壁去除。 从管式反应器中回收得到的乙烯基芳香族产物。

公开(公告)号：US20060135350A1

公开(公告)日：2006-06-22

申请号：US11016103

申请日：2004-12-17

Applicant: Tim Coffy ,  Steven Gray

Inventor： Tim Coffy ,  Steven Gray

IPC: C08F4/44 ,  B01J31/00 ,  C07F7/28

CPC classification number: C08F10/00 ,  C07C45/77 ,  C07C49/92 ,  C07F3/003 ,  C08F110/02 ,  C08F4/651 ,  C08F4/6557 ,  C08F4/6548 ,  C08F2500/18 ,  C08F2500/12 ,  C08F2500/24 ,  C08F2500/07

Abstract: An olefin polymerization catalyst may be prepared using a process including contacting a metal compound of the formula M(OR1)2 with a diketone to form a catalyst precursor having the general formula: wherein M is a Group IIA metal; O is oxygen; n=1 or 2; R1, R2, R3, and R4 are the same or different; and are a hydrogen or a substituted or unsubstituted alkyl or aryl moiety having from about 1 to about 20 carbons atoms.

Abstract translation: 烯烃聚合催化剂可以使用包括使式M（OR 1）2 N 2的金属化合物与二酮接触以形成具有通式 ：其中M是IIA族金属; O是氧; n = 1或2; R 1，R 2，R 3和R 4相同或不同; R 1，R 2，R 3和R 4相同或不同; 并且是具有约1至约20个碳原子的氢或取代或未取代的烷基或芳基部分。

公开(公告)号：US20060126777A1

公开(公告)日：2006-06-15

申请号：US11265450

申请日：2005-11-02

Applicant: Harold Chenoweth ,  Jeffrey Tilley

Inventor： Harold Chenoweth ,  Jeffrey Tilley

IPC: G21C9/00

CPC classification number: C08F110/02 ,  B01J8/067 ,  B01J19/0013 ,  B01J19/2435 ,  B01J2208/00221 ,  B01J2219/00063 ,  B01J2219/00094 ,  B01J2219/002 ,  B01J2219/00213 ,  B01J2219/00238 ,  C08F2400/02 ,  Y10S526/918 ,  C08F2/06 ,  C08F2/00

Abstract: A polymer can be prepared using a loop reactor and process including feeding a process stream through the loop reactor and maintaining the loop reactor at a steady state by controlling a flow of coolant fluid to maintain a temperature in the loop reactor at a preset point. The temperature in the loop reactor may be maintained at a preset point by using a coolant fluid flow controller and valve unit having a substantially linear response over the normal operating range of the controller and valve unit. The normal operating range of the controller and valve unit may be sufficient to provide a flow range not limiting to the throughput of the loop reactor.

公开(公告)号：US20060116449A1

公开(公告)日：2006-06-01

申请号：US11001361

申请日：2004-12-01

Applicant: Paul Buras ,  William Lee ,  James Butler ,  Wendy Stanley

Inventor： Paul Buras ,  William Lee ,  James Butler ,  Wendy Stanley

IPC: E01C7/26

CPC classification number: E01C7/18 ,  C08L9/06 ,  C08L81/04 ,  C08L95/00 ,  C08L2666/08

Abstract: Asphalt and elastomeric polymer compositions crosslinked with mixed polythiomorpholines or at least one alkyl polysulfide can give polymer modified asphalts (PMAs) with improved properties and/or reduced H2S evolution. When at least one alkyl polysulfide is used to completely or partially replace conventional crosslinkers such as S or MBT, mercaptobenzimidazole (MBI) may be optionally used as a co-crosslinker. The use of mixed polythiomorpholines as crosslinkers provide PMAs with better low temperature profiles (BBR m-values). The use of at least one alkyl polysulfide crosslinker gives PMAs with improved PAV-aged DSR results, and reduced H2S evolution. The use of at least one alkyl polysulfide crosslinker together with MBI may give PMAs with improved PAV DSR Fail Temperatures.

Abstract translation: 用混合多硫代吗啉或至少一种烷基多硫化物交联的沥青和弹性体聚合物组合物可以得到具有改进性能和/或降低的H 2 S 2 S演化的聚合物改性沥青（PMA）。 当使用至少一种烷基多硫化物来完全或部分替代常规交联剂如S或MBT时，巯基苯并咪唑（MBI）可以任选地用作共交联剂。 使用混合的聚硫代吗啉作为交联剂为PMA提供了更好的低温谱（BBR m值）。 使用至少一种烷基多硫化物交联剂使得PMA具有改进的PAV老化的DSR结果和降低的H 2 S 2 S进化。 使用至少一种烷基多硫化物交联剂与MBI一起可以使PMA具有改进的PAV DSR失败温度。