КОМПОЗИЦИЯ, СПОСОБ СНИЖЕНИЯ СПОСОБНОСТИ К САМОРАЗОГРЕВУ ПРЕДВАРИТЕЛЬНО СУЛЬФУРИРОВАННОГО ИЛИ СУЛЬФИДИРОВАННОГО КАТАЛИЗАТОРА, СПОСОБ ПРИГОТОВЛЕНИЯ КАТАЛИЗАТОРА, СПОСОБ ГИДРООБРАБОТКИ, СПОСОБ ТРАНСПОРТИРОВКИ И СПОСОБ РАЗГРУЗКИ КАТАЛИЗАТОРА

Характеристики саморазогрева самовозгорающегося катализатора снижают пропиткой по крайней мере части катализатора одним кислородсодержащим углеводородом, имеющим по крайней мере 16 атомов углерода. При использовании серусодержащих катализаторов обработка обеспечивает подавление характеристик саморазогрева катализатора без значительного риска снижения удержания серы или активности. Кроме того, обработанные кислородсодержащим углеводородом катализаторы гидрокрекинга дают улучшенный выход продукта. 6 с. и 29 з.п. ф-лы, 14 табл.

КОМПОЗИЦИЯ, ПРОПИТАННАЯ МАСЛОМ И ПОЛЯРНОЙ ДОБАВКОЙ, ПРИГОДНАЯ В КАТАЛИТИЧЕСКОЙ ГИДРОПЕРЕРАБОТКЕ УГЛЕВОДОРОДОВ, СПОСОБ ИЗГОТОВЛЕНИЯ ТАКОГО КАТАЛИЗАТОРА И СПОСОБ ПРИМЕНЕНИЯ ТАКОГО КАТАЛИЗАТОРА

... 1. Композиция, содержащая: материал носителя, который содержит предшественник активного металла, углеводородное масло и полярную добавку, имеющую дипольный момент, по меньшей мере, 0,45, где массовое отношение упомянутого углеводородного масла к полярной добавке находится в диапазоне вплоть до 10:1 (верхняя граница), и где упомянутый материал носителя затем обрабатывают газом, содержащим водород.2. Композиция, содержащая: материал носителя, содержащий металлический компонент из раствора соли металла, углеводородное масло и полярную добавку, имеющую дипольный момент, по меньшей мере, 0,45, где массовое отношение упомянутого углеводородного масла к полярной добавке находится в диапазоне вплоть до 10:1 (верхняя граница).3. Композиция по п.1 или 2, где упомянутая полярная добавка имеет точку кипения в интервале от 50°С до 275°С.4. Композиция по п.1 или 2, где упомянутую полярную добавку выбирают из группы гетеросоединений, состоящей из гетеросоединений.5. Композиция по п.4, где упомянутая группа ...

CПOCOБ PEГEHEPAЦИИ ЧACTИЧHO ДEЗAKTИBИPOBAHHOГO COЛЮБИЛИЗИPOBAHHOГO POДИЙTPETИЧHOГO OPГAHOФOCФИHOBOГO KOMПЛEKCHOГO KATAЛИЗATOPA ГИДPOФOPMИЛИPOBAHИЯ

Katalysatorregenerierung

Katalytische Metall-Rückgewinnung aus nichtpolaren organischen Lösungen.

EPOXIDATION REACTION WITH RECOVERED MOLYBDENUM CATALYST

Diazabicyclooctane-alkylene oxide catalysts

A process for making isocyanate polymers comprises reacting an isocyanate in the presence of diazabicyclooctane and at least one alkylene oxide having 2 to 4 carbon atoms. Example III describes the polymerization of phenyl isocyanate and tolylene diisocyanate in the presence of diazabicyclooctane and ethylene, propylene or butylene oxides.ALSO:A process for making isocyanate or urethane polymers comprises reacting an isocyanate alone or together with polyol in the presence of diazabicyclooctane and at least one alkylene oxide having 2 to 4 carbon atoms. Polyurethane foams may be made by effecting the polymerization in the-presence of water. In the Examples: (II) toluene diisocyanate; (IV) diisocyanatophenyl methane and phenyl isocyanate; (V) toluylene diisocyanate and (a) heptadecanol, (b) tetrakis - 2 - hydroxypropyl ethylene diamine and (c) polypropylene glycol, and (VI), (VII) and (VIII) a resinous polyol and toluylene diisocyanate are polymerized in the presence of propylene or butylene ...

METHOD FOR THE RECOVERY OF MOLYBDENUM

... 1317480 Molybdenum compounds recovery ATLANTIC RICHFIELD CO 7 Dec 1970 [9 April 1970] 58112/70 Heading ClA [Also in Division C2] Molybdenum compounds are recovered from distillation bottoms resulting from the epoxidation of olefins with organic hydroperoxides in the presence of a molybdenum catalyst by treating said distillation bottoms with water or aqueous ammonia and separating an aqueous phase containing molybdenum. The "distillation bottoms" referred to are defined as that fraction of the reaction product effluent remaining after removal of unreacted olefin, olefin oxide and a major proportion of the alcohol formed from the hydroperoxide. The molybdenum present in the aqueous extract may be precipitated as a phosphomolybdate or the aqueous extract may be concentrated by heating and the residue ignited to give molybdenum oxide.

Process for the manufacture of acetaldehyde and acetic acid

A catalyst for the oxidation of ethylene, in neutral to acid medium, to acetaldehyde and/or acetic acid comprises an inorganic redox system containing at least one compound of a metal which is capable of existing in different valency states under the reaction conditions. Suitable compounds are those of copper, iron, cobalt, nickel, manganese, mercury, cerium, titanium, uranium, bismuth, tantalum, tin, lead, chromium, molybdenum, vanadium or antimony. The catalysts may also contain silver, zinc or cadmium salts. The catalyst may be used as an aqueous or watercontaining suspension or solution, or as a solid which may be supported, for example, on silica gel, pumice, silicates, titanium dioxide, kieselguhr, alumina or carbon. The catalyst is regenerated by treatment with oxygen or an oxygen-containing gas, and, if desired, an additional oxidizing agent, e.g. ozone, oxygen compounds of nitrogen, a peroxidic compound, free halogens, halogenoxygen compounds or selenium dioxide.ALSO:Acetaldehyde ...

VERFAHREN ZUR REGENERIERUNG UND ABTRENNUNG VON RHODIUM ODER IRIDIUM ENTHALTENDEN KATALYSATOREN

CATALYST COMPONENTS TO OLEFINPOLYMERISATION

KETONPEROXIDHALTIGE CATALYST COMPOSITION AND THEIR USE IN THE PULTRUSIONSVERFAHREN

Process for activating a hydrotreating catalyst

A method of treating spontaneously combustible catalysts

CATALYTIC METAL RECOVERY FROM NON-POLAR ORGANIC SOLUTIONS

TREATMENT OF RHODIUM CATALYSTS

PROCESS FOR THE REGENERATION AND SEPARATION OF CATALYSTS OF THE FORMULAS RH OR IR(CO) (PR3)2 AND HRH OR IR (CO) (PR3)3

HIGH ACTIVITY SUPPORTED DISTILLATE HYDROPROCESSING CATALYSTS

Supported metallic catalysts comprised of a Group VIII metal, a Group VIB metal, and an organic additive, and methods for synthesizing supported meta llic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mixed and interacted with at least one organic additive, dried, calcined, and sulfided. The catalysts are used for hydropr ocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hyd rocarbon feedstocks.

CATALYST WHICH CAN BE USED IN HYDROTREATMENT AND WHICH INCLUDES GROUP VIII METALS AND GROUP VIB METALS, AND PREPARATION THEREOF USING CITRIC ACID AND C1-C4 DIALKYL SUCCINATE

L'invention concerne un catalyseur qui comprend un support amorphe à base d'alumine, un succinate de dialkyle C1-C4, de l'acide citrique et éventuellement l'acide acétique, du phosphore et une fonction hydro-deshydrogénante comprenant au moins un élément du groupe VIII et au moins un élément du groupe VTB, catalyseur dont le spectre Raman comprend les bandes les plus intenses caractéristiques des hétéropolyanions de Keggin (974 et/ou 990 cm-1), du succinate de dialkyle C1-C4 et de l'acide citrique (notamment 785 et 956 cm-1). L'invention concerne également le procédé de préparation dudit catalyseur dans lequel un précurseur catalytique à l'état séché, calciné ou régénéré contenant les éléments de la fonction hydro-déshydrogénante, éventuellement du phosphore, est imprégné par une solution d'imprégnation comprenant au moins un succinate de dialkyle C1-C4, l'acide citrique, et éventuellement au moins un composé de phosphore et éventuellement l'acide acétique, puis est séché. L'invention concerne ...

POLYISOCYANATE TRIMERIZATION CATALYST COMPOSITION

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure -CO-NH2 and/or from compounds which comprise a group having the structure -CO-NH-CO- is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

METHOD OF PREPARING CATALYST FOR HYDROGENATION OF HYDROCARBON OIL

MAGNESIUM DICHLORIDE-ALCOHOL ADDUCTS, PROCESS FOR THEIR PREPARATION AND CATALYST COMPONENTS OBTAINED THEREFROM

The present invention relates to MgCl2.cndot.mROH.cndot.nH2O adducts, where R is a C1-C10 alkyl, 2.ltoreq.m.ltoreq.4.2, 0.ltoreq.n.ltoreq.0.7, characteriz ed by an X-ray diffraction spectrum in which, in the range of 2.THETA. diffraction angles between 5.degree. and 15.degree., the three main diffraction lines ar e present at diffraction angles 2.theta. of 8.8 ~ 0.2.degree., 9.4 ~ 0.2.degree. and 9 .8 ~ 0.2.degree., the most intense diffraction lines being the one at 2.theta.=8.8 ~ 0.2.degree., the intensity of the other two diffraction lines being at least 0.2 times the intensity of the most intense diffraction line. Catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity and stereospecificity with respect to the catalysts prepared from t he adducts of the prior art.

Composition comprenant des agrégats de cristallites de cellulose ou des dérivés topochimiques de ces agrégats et utilisation de cette composition

Katalysator für die Polymerisation von Isocyanaten und für Isocyanat-Additionsreaktionen

Synthesis of novel disaccharides relating two derivatives of simple sugars or sugar alcohols via a spacer arm, resulting products and applications for example as surfactant.

Hydrotreating catalyst comprising Group VIII and VIB metals on a refractory oxide support comprises an organic compound comprising two thiol groups separated by a ketone- or ether-functional hydrocarbon group

L'invention concerne un catalyseur d'hydroconversion d'hydrocarbures, comprenant un support à base d'au moins un oxyde réfractaire, au moins un métal du groupe VIII et au moins un métal du groupe VIB, caractérisé en ce qu'il comprend en outre au moins un composé organique comportant au moins deux fonctions thiol séparées par au moins un groupement oxygéné de formule (I) : HS-CxHyOz-SH (I) dans laquelle x est un nombre entier de 1 à 20, de préférence de 2 à 9, par exemple x est égal à 6, y est un nombre entier de 2 à 60, de préférence de 4 à 12, et z est un nombre entier de 1 à 10, de préférence de 1 à 6. Procédé de préparation et procédé d'activation dudit catalyseur, et utilisation du catalyseur activé pour l'hydrotraitement et/ou l'hydrocraquage d'hydrocarbures.

composição útil no hidroprocessamento de uma matéria-prima de hidrocarboneto

CATALYST COMPOSITION WITH MIXED SELECTIVITY CONTROL AGENT AND POLYMERISATION METHOD USING IT

The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/ 10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

IONIC LIQUIDS WITH A CATION COMPRISING A BASIC MOIETY

Use of ionic liquids as solvents in base-catalysed chemical reactions wherein the ionic liquid is composed of at least one species of cation and at least one species of anion, characterised in that a cation of the ionic liquid comprises a positively charge moiety and a basic moiety, and further wherein such ionic liquids may be used as promoters or catalysts for the chemical reactions.

Process for the preparation of a functionalized solid product

A functionalized solid product containing sulphonate or sulphonic acid groups is prepared from an inorganic oxide containing surface hydroxy groups, e.g. silica by reacting the latter in a first stage with a haloalkyl alkoxy- or aryloxysilane. The first stage product is then reacted with an aqueous solution of an inorganic sulphite to give a product containing sulphonate groups. These can be converted to sulphonic acid groups by an optional third stage treatment with dilute mineral acid. The final products are suitable for use as adsorbent materials or catalyst supports.

Texaphyrins and uses thereof

A texaphyrin having substituents containing ethoxy groups, methods for using texaphyrins in photodynamic therapy, and cleavage of a polymer of deoxyribonucleic acid are disclosed. The in vivo treatment of tumors and atheroma is demonstrated using Lu(III)texaphyrin complexes. A preferred method of use is the site-specific cleavage of a polymer of deoxyribonucleic acid and a preferred texaphyrin is a derivatized texaphyrin having binding specificity, in particular, a texaphyrin covalently coupled to a site-directing molecule, preferably an oligonucleotide.

Method for producing palladium-containing catalyst

Disclosed is a palladium-containing catalyst for producing an , -unsaturated carboxylic acid from an olefin or an , -unsaturated aldehyde in high productivity. Also disclosed are a method for producing such a catalyst, and a method for producing an , -unsaturated carboxylic acid in high productivity. Specifically, a palladium-containing catalyst is produced by a method containing a step in which palladium in an oxidation state is reduced by a compound (A) which is represented by the following formula (1).

Use of tin catalysts for the production of polyurethane coatings

The present invention relates to the use of specific inorganic Sn(IV) for the production of polyisocyanate polyaddition products from a) at least one aliphatic, cycloaliphatic, araliphatic and/or aromatic polyisocyanate, b) at least one NCO-reactive compound, c) at least one thermolatent inorganic tin-containing catalyst, d) optionally further catalysts and/or activators other than c), e) optionally fillers, pigments, additives, thickeners, antifoams and/or other auxiliary substances and additives, wherein the ratio of the weight of the tin from component c) and the weight of component a) is less than 3000 ppm when component a) is an aliphatic polyisocyanate and less than 95 ppm when component a) is an aromatic polyisocyanate, wherein as thermolatent catalysts cyclic tin compounds of formula I, II or III: wherein n>1, are used.

Magnesium dichloride-alcohol adducts

The present invention relates to MgCl 2 .mROH.nH 2 O adducts, where R is a C 1 -C 10 alkyl, 2≦m≦4.2, 0≦n≦0.7, characterized by an X-ray diffraction spectrum in which, in the range of 2θ diffraction angles between 5° and 15°, the three main diffraction lines are present at diffraction angles 2θ of 8.8±0.2°, 9.4±0.2° and 9.8±0.2°, the most intense diffraction lines being the one at 2θ=8.8±0.2°, the intensity of the other two diffraction lines being at least 0.2 times the intensity of the most intense diffraction line. Catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity and stereospecificity with respect to the catalysts prepared from the adducts of the prior art.

Polyisocyanate Trimerization Catalyst Composition

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure CONH2 and/or from compounds which comprise a group having the structure CONHCO is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

Catalytic metal recovery from nonpolar organic solutions

КАТАЛИЗАТОР ПЕРЕЭТЕРИФИКАЦИИ И СПОCОБ ЕГО ПРИГОТОВЛЕНИЯ

Настоящее изобретение относится к катализатору переэтерификации и способу его приготовления. Описан катализатор переэтерификации общей формулы: Zn3M2(CN)n(ROH)·xZnCl2·yH2O, где R является третичным бутилом и М является ионом переходного металла, выбранным из Fe, Со и Cr; x находится в интервале 0-0.5, у находится в интервале 3-5 и n равен 10 или 12. Описан способ приготовления катализатора, включающий следующие стадии: а) растворение ZnCl2 в смеси воды и третичного бутанола, b) добавление указанного раствора, полученного на стадии (а), к водному раствору K4Fe(CN)6 при перемешивании, с) добавление тройного блок-сополимера поли(этиленгликоль)-блок-поли(пропиленгликоль)-блок-поли(этиленгликоль) (EO20-PO70-EO20, молекулярная масса примерно 5800), растворенного в смеси трет-бутанола и воды, к указанной выше смеси, полученной на стадии (b), при перемешивании и при температуре в интервале 25-70°С, d) фильтрование реакционной смеси, полученной на стадии (с) для получения твердого продукта с последующим ...

АДДУКТЫ ДИХЛОРИДА МАГНИЯ И СПИРТА, СПОСОБ ИХ ПОЛУЧЕНИЯ, КОМПОНЕНТЫ КАТАЛИЗАТОРА И КАТАЛИЗАТОР, ПОЛУЧЕННЫЕ ИЗ НИХ, И СПОСОБ ПОЛИМЕРИЗАЦИИ ОЛЕФИНОВ

Описываются аддукты MgCl2•mROH• nH2O, где R обозначает С1-С10-алкил, 2≤m≤4,2, 0≤n≤0,7, характеризующиеся рентгеновским спектром дифракции, в котором в диапазоне углов дифракции 2θ между 5 и 15o присутствуют три главные линии дифракции при углах дифракции 2θ 8,8±0,2o, 9,4±0,2o и 9,8±0,2o, самой интенсивной линией дифракции является линия при 2θ=8,8±0,2o, интенсивность двух других линий дифракции равна по меньшей мере 0,2 интенсивности самой интенсивной линии дифракции, способ их получения, компоненты катализатора и катализатор, полученный из них, и способ полимеризации олефинов. Техническим результатом является получение из аддуктов данного изобретения катализатора для полимеризации олефинов, отличающиеся улучшенной активностью и стереоспецифичностью по отношению к катализаторам, полученным из известных ранее аддуктов. 10 с. и 37 з.п.ф-лы, 1 табл.

САМООГРАНИЧИВАЮЩАЯСЯ КАТАЛИТИЧЕСКАЯ СИСТЕМА С РЕГУЛИРУЕМЫМ СООТНОШЕНИЕМ АЛЮМИНИЯ И SCA И СПОСОБ

FIELD: chemistry. SUBSTANCE: catalyst composition contains: one or more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and one or more internal electron donors in form of esters of aromatic dicarboxylic acid, one or more aluminium-containing cocatalysts and a selectivity control agent (SCA) which contains a mixture of (i) a first alkoxy silane and a second alkoxy silane and (ii) an ester of C 4 -C 30 -aliphatic acid, and the molar ratio of aluminium to total SCA ranges from 0.5:1 to 4:1. EFFECT: catalyst composition improves polymerisation productivity and polymer production rate, the composition is self-extinguishing. 9 cl, 15 tbl, 10 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 470 947 (13) C2 (51) МПК C08F 4/646 C08F 4/649 C08F 4/651 C08F 10/06 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ Приоритет(ы): (30) Конвенционный приоритет: 24.08.2007 US 60/957,888 (73) Патентообладатель(и): ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи (US) (43) Дата публикации заявки: 27.09.2011 Бюл. № 27 2 4 7 0 9 4 7 (45) Опубликовано: 27.12.2012 Бюл. № 36 (56) Список документов, цитированных в отчете о поиске: WO 2005030815 A, 07.04.2005. ЕР 736552 А, 09.10.1996. SU 1457813 A3, 07.02.1989. RU 2225415 C2, 10.03.2004. ЕР 0284005 А, 28.09.1988. ЕР 116709 А1, 29.08.1984. 2 4 7 0 9 4 7 R U (86) Заявка PCT: US 2008/073882 (21.08.2008) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 24.03.2010 (87) Публикация заявки РСТ: WO 2009/029487 (05.03.2009) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. Е.Е.Назиной, рег.№ 517 (54) САМООГРАНИЧИВАЮЩАЯСЯ КАТАЛИТИЧЕСКАЯ СИСТЕМА С РЕГУЛИРУЕМЫМ СООТНОШЕНИЕМ АЛЮМИНИЯ И SCA И СПОСОБ (57) Реферат: Настоящее изобретение относится к стереоселективым композициям на основе катализатора Циглера-Натта и реакции полимеризации с их использованием. Описана каталитическая ...

КАТАЛИТИЧЕСКИЕ КОМПОНЕНТЫ ДЛЯ ПОЛИМЕРИЗАЦИИ ОЛЕФИНОВ

FIELD: chemistry. SUBSTANCE: invention relates to polymerisation of CH 2 =CHR olefins, where R is hydrogen or a C 1 -C 12 hydrocarbon group, and to catalysts therefor. A pre-polymerised catalyst component contains a solid component containing Mg, Ti, a halogen and an electron donor (ID), selected from alkyl esters of aromatic dicarboxylic acids. The molar ratio ID/Mg ranges from 0.025 to 0.065 and the molar ratio Mg/Ti is greater than 13. Said pre-polymerised catalyst component contains up to 50 g of an ethylene prepolymer per g of said solid catalyst component. EFFECT: improved activity of the pre-polymerised catalyst and minimising problems associated with catalyst discharge. 9 cl, 2 tbl, 3 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 493 175 (13) C2 (51) МПК C08F 4/651 (2006.01) C08F 4/649 (2006.01) C08F 10/00 (2006.01) C08F 2/34 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2011116316/04, 17.09.2009 (24) Дата начала отсчета срока действия патента: 17.09.2009 (56) Список документов, цитированных в отчете о поиске: US 7427653 В2, 23.09.2008. RU 2234516 С2, 20.08.2004. WO 2003002617 А1, 09.01.2003. US 7223712 В2, 29.05.2007. ЕР 435332 В2, 10.08.2005. 2 4 9 3 1 7 5 R U (86) Заявка PCT: EP 2009/062056 (17.09.2009) C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 26.04.2011 (87) Публикация заявки РСТ: WO 2010/034664 (01.04.2010) Адрес для переписки: 129090, Москва, ул. Б. Спасская, 25, стр.3, ООО "Юридическая фирма Городисский и Партнеры", пат.пов. А.В.Мицу, рег.№ 364 (54) КАТАЛИТИЧЕСКИЕ КОМПОНЕНТЫ ДЛЯ ПОЛИМЕРИЗАЦИИ ОЛЕФИНОВ (57) Реферат: Изобретение относится к полимеризации олефинов CH2=CHR, где R представляет собой водород или С1-С1 2 углеводородную группу, и к катализаторам для её осуществления. Предварительно полимеризованный компонент катализатора включает в себя твердый компонент, содержащий Mg, Ti, галоген и донор электронов (ID), выбранный из алкиловых сложных эфиров ...

КАТАЛИТИЧЕСКИЙ КОМПОНЕНТ ДЛЯ ПОЛИМЕРИЗАЦИИ ОЛЕФИНОВ И КАТАЛИЗАТОР, ВКЛЮЧАЮЩИЙ ТАКОВОЙ

1. Твердый каталитический компонент для полимеризации олефинов, включающий магний, титан, галоген и внутренний электронодонор, в котором внутренний электронодонор представляет собой по меньшей мере одно α-цианосукцинатное соединение I, имеющее формулу (I): ! ! где R1 и R2 независимо представляют водород, линейный или разветвленный С1-С14алкил, С3-С10циклоалкил, С6-С10арил, С7-С10алкиларил или С7-С10арилалкил; и R3 и R4 независимо представляют линейный или разветвленный С1-С10алкил, С3-С10циклоалкил, С6-С20арил, С7-С20алкиларил или С7-С20арилалкил, ! альтернативно внутренний электронодонор представляет собой комбинацию по меньшей мере одного α-цианосукцинатного соединения I и монофункционального или бифункционального соединения Е, выбранного из сложных эфиров, иных, нежели α-цианосукцинатное соединение I, простых эфиров, кетонов, кеталей, аминов и силанов. ! 2. Твердый каталитический компонент по п.1, который получают способом, включающим стадии ! (1) растворения галогенида магния или гидрата галогенида магния в системе растворителей, включающей органическое эпоксидное соединение, фосфорорганическое соединение и, необязательно, инертный разбавитель, с образованием гомогенного раствора А; ! (2) объединения вышеуказанного гомогенного раствора А с титановым соединением и вспомогательным осадителем, с образованием смеси В; ! (3) осаждения твердых веществ С из смеси В; ! (4) отделения твердых веществ D от продукта стадии (3); и ! (5) обработки твердых веществ D титановым соединением в инертном органическом растворителе один или несколько раз, для получения твердого каталитического компонента, ! в котором внутренний электронодонор вводят РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 134 093 (13) A (51) МПК C08G 18/16 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2010134093/04, 13.08.2010 Приоритет(ы): (30) Конвенционный приоритет: 13.08.2009 CN 200910162346.0 10.02.2010 CN 201010108066.4 10.02.2010 CN 201010108068.3 (43 ...

КАТАЛИТИЧЕСКИЕ КОМПОНЕНТЫ ДЛЯ ПОЛИМЕРИЗАЦИИ ОЛЕФИНОВ

... 1. Предварительно полимеризованный компонент катализатора для полимеризации олефинов, содержащий твердый компонент катализатора, который содержит Mg, Ti, атомы галогена и донор электронов (ID), выбранный из алкиловых сложных эфиров ароматических дикарбоновых кислот в таком количестве, чтобы молярное соотношение ID/Mg находилось в интервале от 0,025 до 0,070 и молярное соотношение Mg/Ti было выше чем 13, причем указанный предварительно полимеризованный компонент катализатора содержит количество этиленового полимера вплоть до 50 г/г указанного твердого компонента катализатора. ! 2. Предварительно полимеризованный компонент катализатора по п.1, где молярное соотношение ID/Mg находится в интервале от 0,030 до 0,060. ! 3. Предварительно полимеризованный компонент катализатора по п.1, где молярное соотношение Mg/Ti составляет свыше 14. ! 4. Предварительно полимеризованный компонент катализатора по п.1, в котором количество полимера находится в интервале от 0,1 до 15 г/г твердого компонента катализатора ...

КОМПОЗИЦИЯ КАТАЛИЗАТОРА СО СМЕШАННЫМ АГЕНТОМ, РЕГУЛИРУЮЩИМ СЕЛЕКТИВНОСТЬ, И СПОСОБ ПОЛИМЕРИЗАЦИИ, ИСПОЛЬЗУЮЩИЙ ЕЕ

... 1. Композиция катализатора, включающая: ! композицию прокатализатора Циглера-Натта, содержащую титан, магний и внутренний донор электронов; ! сокатализатор и ! смешанный внешний донор электронов (С-ВДЭ), включающий агент, ограничивающий активность (АОА), первый агент, регулирующий селективность (АРС1), который содержит алкоксисилан, и второй агент, регулирующий селективность (АРС2), выбираемый из группы, состоящей из алкоксисилана, простого диэфира и диалкоксибензола, причем молярное соотношение АРС1:АРС2 составляет от 0,1:1 до 1,0:1, молярное отношение между совокупного АРС к АОА составляет менее чем 1,0, и композиция катализатора представляет собой самоограничивающуюся композицию катализатора. ! 2. Композиция катализатора по п.1, где АРС1 включает соединение, выбираемое из группы, состоящей из диметоксисилана, диметоксисилана, имеющего, по меньшей мере, одну вторичную алкильную группу, диметоксисилана, имеющего, вторичную аминогруппу, непосредственно связанную с атомом кремния, и их комбинаций ...

ДИКАРБОНАТНЫЕ СОЕДИНЕНИЯ С ТРЕМЯ И ЧЕТЫРЬМЯ МОСТИКОВЫМИ АТОМАМИ КАК ВНУТРЕННИЕ ДОНОРЫ В КАТАЛИЗАТОРАХ ДЛЯ ПОЛУЧЕНИЯ ПОЛИПРОПИЛЕНА

... 1. Твердый, не растворимый в углеводородах компонент катализатора, используемый при полимеризации олефинов, причем названный компонент катализатора содержит магний, титан и галоген и дополнительно содержит внутренний донор электронов, имеющий структуру[R-O-C(O)-O-]R,где Rнезависимо в каждом случае представляет алифатическую или ароматическую углеводородную или замещенную углеводородную группу, содержащую от 1 до 20 атомов углерода; x равен 2-4 и Rпредставляет алифатическую или ароматическую углеводородную или замещенную углеводородную группу, содержащую от 1 до 20 атомов углерода, при условии, что в самой короткой цепи, соединяющей первую R-O-C(O)-O- группу и вторую R-O-C(O)-O- группу, содержится от 3 до 4 атомов.2. Компонент катализатора по п.1, где х=2.3. Компонент катализатора по п.1, где каждый Rпредставляет алифатический углеводород.4. Компонент катализатора по п.1, где каждый Rпредставляет ароматический углеводород.5. Компонент катализатора по п.1, где Rпредставляет 1,8-дизамещенный ...

MAGNESIUMDIHALOGENID/ALKOHOL ADDUKTE, VERFAHREN ZU IHRER HERSTELLUNG UND DAMIT HERGESTELLTE KATALYSATORBESTANDTEILE

VERFAHREN ZUR GEWINNUNG VON MOLYBDAENVERBINDUNGEN

Methode zur Herstellung eines Katalysators für Kohlenwasserstoffhydrierung

MAGNESIUMDIHALOGENID/ALKOHOL ADDUCTS, PROCEDURES FOR YOUR PRODUCTION AND THUS MANUFACTURE OF CATALYST COMPONENTS

CATALYST AND PROCESS

CATALYST COMPOSITION AND PROCEDURE FOR THE PRODUCTION OF DIARYLCARBONATEN

Molybdenum epoxidation catalyst recovery

A novel transesterification catalyst and a process for the preparation thereof

The present invention provides a novel transesterification catalyst having the general formula: ZnM(CN)(ROH).xZnCl.yHO wherein R is tertiary-butyl and M is a transition metal ion selected from Fe, Co and Cr, x varies from O to 0.5, y varies from 3-5 and n is 10 or 12. The above said catalyst is useful for an efficient transesterification of glycerides, fatty acid esters and cyclic carbonates on reactions with alcohols.

HINDERED ALKYL ALUMINUM AMIDE COCATALYSTS

U.S. 18,188 A new catalyst system for alphaolefin type polymerizations, includes at least one hindered alkyl metal amide compound having the formula R'2YNR2 in combination with a Group IVB-VIII transition metal compound on a support and at least one Lewis base wherein R is selected from the group consisting of C3 to C20 bulky alkyl, cycloalkyl, aralkyl, aryl and substituted aryl groups or R2N is a hindered cyclic amide group; R' is selected from the group consisting of C1 to C20 primary alkyl, secondary alkyl, tertiary alkyl, neopentyl alkyl, branched alkyl, cycloalkyl or aralkyl groups, and Y is selected from the group consisting of aluminum, galium or indium. The catalyst system provides polymers having increased isotactic stereoregularity as well as lower catalyst residue.

PROCESS FOR THE PRODUCTION OF FORMATES

A NOVEL TRANSESTERIFICATION CATALYST AND A PROCESS FOR THE PREPARATION THEREOF

PREPARATION OF FUNCTIONAL SULPHONATED SILICONATED INORGANIC SOLIDS

POLYISOCYANATE TRIMERIZATION CATALYST COMPOSITION

A trimerization catalyst composition comprising a trimerization catalyst compound selected from one or more organic metal salt, preferably alkali or earth alkali metal salts, and one or more compounds selected from compounds which comprise a carboxamide group having the structure -CO-NH2 and/or from compounds which comprise a group having the structure -CO-NH-CO- is disclosed. Further a stable polyisocyanate composition comprising the catalyst composition and a process for making the polyisocyanate composition is disclosed. A curable polyisocyanate composition is obtained comprising the catalyst composition, a polyisocyanate composition, an epoxy resin and optionally a polyol/monool composition and a polyisocyanurate comprising material made by allowing the curable composition to react at elevated temperature and a process for making the polyisocyanurate comprising material.

PEROXIDE-CONTAINING CATALYST COMPOSITIONS AND THE USE THEREOF IN THE PULTRUSION PROCESS

This invention relates to a peroxide-containing catalyst composition which contains 60 to 80 % by weight of a ketone peroxide component (A), 10 to 20 % by weight of a ketone ester component (B) and 10 to 20 % by weight of an inhibitor component (C), wherei n the sum of the percentages by weight of components (A), (B) and (C) adds up to 100 % by weight. The invention also relates to the use of the peroxide-containing catalyst composition as a starter peroxide composition in the pultrusion process.

Catalyst and process

一种催化剂组合物，它包括选自钛、锆、铪、铝或镧系元素中的金属M的醇盐或缩合醇盐，含至少两个羟基的醇，2－羟基羧酸和碱的反应产物，其中碱对2－羟基羧酸的摩尔比在0.01－0.79∶1范围内。该组合物可用作酯化反应，特别是生产聚酯如聚对苯二甲酸乙二酯、聚对苯二甲酸丙二酯和聚对苯二甲酸丁二酯的催化剂。

PROCESS IMPROVES OF REGENERATION Of a CATALYST OF METATHESE

PREPARATION OF EPOXIDATION CATALYST SOLUTION

PROCESS FOR ACTIVATING A HYDROTREATING CATALYST

METHOD FOR PREPARING A CATALYST USABLE IN HYDROPROCESSING AND HYDROCONVERSION

Catalyst and process

A catalyst composition comprises the reaction product of an alkoxide or condensed alkoxide of a metal M, selected from titanium, zirconium, hafnium, aluminium, or a lanthanide, an alcohol containing at least two hydroxyl groups, a 2-hydroxy carboxylic acid and a base, wherein the molar ratio of base to 2-hydroxy carboxylic acid is in the range 0.01-0.79:1. The composition is useful as a catalyst for esterification reactions, especially for the production of polyesters such as polyethylene terephthalate, polytrimethylene terephthalate and polybutylene terephthalate.

POROUS INORGANIC OXIDE CARRIER AND HYDROTREATING CATALYST FOR CATALYTICALLY CRACKED GASOLINE MADE BY USING THE CARRIER

The invention relates to a porous inorganic oxide carrier supporting thereon an oxygen-containing carbonaceous substance, preferably a carbide of an oxygen-containing organic compound, wherein the mass ratio of carbon supported on the carrier for catalyst preparation to the carrier is 0.05 to 0.2, the atomic ratio of hydrogen supported on the carrier to carbon supported thereon is 0.4 to 1.0, and the atomic ratio of oxygen supported on the carrier to carbon supported thereon is 0.1 to 0.6. The invention relates also to a hydrotreating catalyst for catalytically cracked gasoline which is produced by making a catalyst containing a Group 8 metal of the periodic table, molybdenum (Mo), phosphorus, and sulfur supported on the above carrier. This catalyst depresses the hydrogenation of olefins even under the reaction conditions attaining high-degree desulfurization and minimizes the lowering in the octane value, thus being useful as a catalyst for hydrodesulfurizing catalytically cracked gasoline ...

REGENERATION AND REJUVENATION OF SUPPORTED HYDROPROCESSING CATALYSTS

Methods for rejuvenation of supported metallic catalysts comprised of a Group VIII metal, a Group VIB metal, making use of these metals, an organic complexing agent, and optionally an organic additive, are provided. The rejuvenation includes stripping and regeneration of a spent or partially spent catalyst, followed by impregnation with metals and at least one organic compound. The impregnated, regenerated catalysts are dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

METHOD FOR PREPARING AN ORGANIC COMPOUND AND METHOD FOR RECOVERING A CO-CATALYST

L'invention concerne une méthode de récupération d'un cocatalyseur d'une phase aqueuse par un traitement avec une base et une étape de séparation du cocatalyseur dans laquelle on isole le cocatalyseur de la phase aqueuse traitée avec la base, typiquement par entraînement à la vapeur ou par distillation.

SOLUTION POLYMERIZATION/CO-POLYMERIZATION OF DIENES, HYDROGENATION OF DIENERUBBERS AND HYDROGENATED DIENERUBBERS

The present invention relates to butadiene rubber polymers having low molecular weights and narrower molecular weight distributions than those known in the art. The present invention also relates to a metal-containing catalyst system, a solution polymerization process for the manufacture of said butadiene rubber, a one-pot process for the synthesis of the hydrogenated diene polymers, and a process for the hydrogenation of diene polymers.

Oxidative secondary rhodium recovery process

Disclosed is a process for recovering rhodium catalyst values from "tars" formed during the preparation of acetic anhydride by the rhodium catalyzed carbonylation of a mixture of methyl iodide and methyl acetate and/or dimethyl ether. The disclosed process provides a means for the recovery of rhodium values which normally are not extracted from the tars by treating a methyl iodide solution of such tars with certain oxidants.

Texaphyrins and uses thereof

A texaphyrin having substituents containing ethoxy groups, methods for using texaphyrins in photodynamic therapy, and cleavage of a polymer of deoxyribonucleic acid are disclosed. The in vivo treatment of tumors and atheroma is demonstrated using Lu(III)texaphyrin complexes. A preferred method of use is the site-specific cleavage of a polymer of deoxyribonucleic acid and a preferred texaphyrin is a derivatized texaphyrin having binding specificity, in particular, a texaphyrin covalently coupled to a site-directing molecule, preferably an oligonucleotide.

METHOD OF PREPARING CATALYST FOR HYDROGENATION OF HYDROCARBON OIL

METHOD FOR PREPARING AN ORGANIC COMPOUND AND METHOD FOR RECOVERING A CO-CATALYST

A METHOD OF TREATING SPONTANEOUSLY COMBUSTIBLE CATALYSTS

Self-heating characteristics of a spontaneously combustible catalyst are reduced by treating the catalyst with an oxygen-containing hydrocarbon having at least 12 carbon atoms. The treatment is particularly suitable for reducing the self-heating characteristics of sulfidable metal oxide(s)-containing catalysts, presulfurized catalysts, presulfided catalysts or reduced catalysts. When applied to sulfur-containing catalysts, the treatment gives a catalyst that has suppressed self-heating properties without substantially compromising sulfur retention or activity. Further hydrocracking catalysts treated by the oxygen-containing hydrocarbons give improved product yield. Further, a method of safely unloading a catalyst from a reactor is provided where the catalyst in the reactor is treated with a liquid mixture containing the oxygen-containing hydrocarbon to wet the catalyst.

ДИКАРБОНАТНЫЕ СОЕДИНЕНИЯ С ТРЕМЯ И ЧЕТЫРЬМЯ МОСТИКОВЫМИ АТОМАМИ КАК ВНУТРЕННИЕ ДОНОРЫ В КАТАЛИЗАТОРАХ ДЛЯ ПОЛУЧЕНИЯ ПОЛИПРОПИЛЕНА

Группа изобретений относится к твердому компоненту катализатора для полимеризации олефинов, к способам полимеризации и к соединению, подходящему для применения в качестве внутреннего донора электронов. Компонент катализатора содержит магний, титан и галоген и дополнительно содержит внутренний донор электронов, имеющий структуру [R-O-C(O)-O-]R, где Rнезависимо в каждом случае представляет алифатическую или ароматическую углеводородную или замещенную углеводородную группу, содержащую от 1 до 20 атомов углерода; х равен 2-4 и Rпредставляет алифатическую или ароматическую углеводородную или замещенную углеводородную группу, содержащую от 1 до 20 атомов углерода, при условии, что в самой короткой цепи, соединяющей первую R-O-C(O)-O-группу и вторую R-O-C(O)-O-группу, содержится 3-4 атома. Способ полимеризации олефинов осуществляют в присутствии указанного выше компонента. Соединение имеет структуру [R-O-C(O)-O-]R, где Rнезависимо в каждом случае представляет алифатическую или ароматическую углеводородную ...

ДИКАРБОНАТНЫЕ СОЕДИНЕНИЯ С ДВУМЯ МОСТИКОВЫМИ АТОМАМИ КАК ВНУТРЕННИЕ ДОНОРЫ В КАТАЛИЗАТОРАХ ДЛЯ ПОЛУЧЕНИЯ ПОЛИПРОПИЛЕНА

Изобретение относится к твердому не растворимому в углеводородах компоненту катализатора для полимеризации олефинов и к способу полимеризации в присутствии указанного компонента катализатора. Компонент катализатора содержит магний, титан, галоген и дополнительно внутренний донор электронов, имеющий структуру [R-O-C(O)-O-]R, где Rнезависимо в каждом случае представляет алифатическую или ароматическую углеводородную или замещенную углеводородную группу, содержащую от 1 до 20 атомов углерода; х равен 2-4; Rпредставляет алифатическую или ароматическую углеводородную или замещенную углеводородную группу, содержащую от 1 до 20 атомов углерода, при условии, что в самой короткой цепи, соединяющей первую R-O-C(O)-O- группу и вторую R-O-C(O)-O- группу, содержится 2 атома. Технический результат - высокая эффективность работы катализатора и получение полимера с улучшенными и разнообразными свойствами. 3 н. и 11 з.п. ф-лы, 4 табл., 13 пр.

КАТАЛИЗАТОР, ПОДХОДЯЩИЙ ДЛЯ ГИДРООБРАБОТКИ, СОДЕРЖАЩИЙ МЕТАЛЛЫ ГРУПП VIII И VIB, И ЕГО ПОЛУЧЕНИЕ С ИСПОЛЬЗОВАНИЕМ ЛИМОННОЙ КИСЛОТЫ И С1-С4-ДИАЛКИЛСУКЦИНАТА

... 1. Катализатор, содержащий аморфную подложку на основе оксида алюминия, по меньшей мере один С1-С4-диалкилсукцинат, лимонную кислоту, фосфор и гидрирующую-дегидрирующую группу, содержащую по меньшей мере один элемент группы VIII и по меньшей мере один элемент группы VIB, причем спектр комбинационного рассеяния катализатора содержит полосы 990 и/или 974 см, характеристические для по меньшей мере одного гетерополианиона Кеггина, характеристические полосы указанного сукцината и основные характеристические полосы лимонной кислоты.2. Катализатор по п. 1, в котором диалкилсукцинат является диметилсукцинатом и в спектре комбинационного рассеяния которого присутствуют основные полосы 990 и/или 974 см, являющиеся характеристическими для гетерополианионов Кеггина, полоса 853 см, являющаяся характеристической для диметилсукцината, и полосы 785 и 956 см, являющиеся характеристическими для лимонной кислоты.3. Катализатор по одному из предыдущих пунктов, дополнительно содержащий уксусную кислоту, спектр ...

КОМПОЗИЦИЯ КАТАЛИЗАТОРА ТРИМЕРИЗАЦИИ ПОЛИИЗОЦИАНАТОВ

... 1. Композиция катализатора тримеризации, содержащая:- соединение-катализатор тримеризации, выбранный из одного или нескольких органических солей металлов, выбранных из солей щелочных или щелочноземельных металлов, и- одно или более соединений, выбранных из соединений, которые содержат карбоксамидную группу структуры -CO-NH, и/или соединений, которые содержат группу структуры -CO-NH-CO-.2. Композиция катализатора по п. 1, где количество эквивалентов соединений, которые содержат группу структуры -CO-NH-CO-, больше количества эквивалентов катализатора тримеризации.3. Композиция катализатора по п. 1, где количество эквивалентов соединений, которые содержат карбоксамидную группу структуры -CO-NH, больше количества эквивалентов катализатора тримеризации, предпочтительно больше 4-кратного количества эквивалентов катализатора тримеризации.4. Композиция катализатора по любому из пп. 1-3, где органическая соль металла представляет собой карбоксилат или алкоголят и предпочтительно выбрана из одного ...

Verfahren zur Gewinnung von festen Molybdän-Verbindungen.

Reaktivierung von Hydroformylierungskatalysatoren

Ketonperoxidhaltige Katalysatorzusammensetzung und deren Verwendung im Pultrusionsverfahren

Separating phase transfer agents

The phase transfer agent (PTA) from a phase transfer catalysed reaction is separated from a liquid comprising at least one organic solvent and the PTA by transferring the solvent across a membrane by pressure, the membrane being selectively permeable and having a (non-zero) rejection rate for the PTA greater than that for the solvent. The liquid may be the organic phase from the reaction, to which retained solvent and the PTA may be recycled. Details of suitable PTAs and membrane materials and forms are given. Both hydrophobic and hydrophilic membranes are useful.

Superficially porous hybrid monoliths with ordered pores and methods of making and using same

A peroxide composition and a method of preparing the same

A peroxide composition of reduced shock sensitivity comprises benzoyl peroxide and at least one organic peroxide selected from: Type I having a ten hour half life at 110-175 DEG F., Type II having a ten hour half life at 175-250 DEG F. and Type III having a ten hour half life at 250-350 DEG F., said composition having been prepared by recrystallization. The composition finds application in the polymerization of ethylene or styrene, e.g. in a long tubular reactor with hexane or propylene as modifier. Specified peroxides are: (I) lauryl, caproyl, decanoyl and p-chlorobenzoyl peroxides and t-butyl peroxybivalate; (II) t-butyl peracetate and perbenzoate, and dicumyl peroxide; and (III) di-t-butyl peroxide.

OBTAINING RHODIUMCONTAINING OR IRIDIUM-CONTAINING COMPOUNDS FROM DISTILLATION RESIDUES FOLLOWING HYDROFORMYLATION

PROCEDURE FOR THE RECOVERY AND SEPARATION OF RHODIUM OR IRIDIUM CONTAINING CATALYSTS

REACTIVATION OF HYDROFORMYLIERUNGSKATALYSATOREN

PROCEDURE FOR TRANSVERESTERUNG OF TRIGLYCERIDEN.

PROCEDURE FOR THE RECUPERATION POLLUTED ONE BY PRECIOUS METALS OF THE GROUP OF VIII OF THE PERIODIC SYSTEM OF THE ELEMENTS FROM WITH OF THE CARBONYLIERUNG OF METHYL ACETATE AND/OR DIMETHYLETHER RESULTING KATALYSATORLOESUNG.

CATALYST RECOVERY

PROCEDURE FOR THE RECOVERY AND SEPARATION OF RHODIUM OR IRIDIUM CONTAINING CATALYSTS

Process for separating off phosphine oxides and alkylarylphosphines from reaction mixtures of a homogeneous hydroformylation

PROCESS FOR HYDROXYLATING OLEFINS USING AN OSMIUM CARBONYL CATALYST

PROCESS FOR RECOVERING NOBLE METALS BELONGING TO GROUP VIII OF THE PERIODIC SYSTEM OF THE ELEMENTS FROM A CONTAMINATED CATALYST SOLUTION ORIGINATING FROM THE CARBONYLATION OF METHYL ACETATE AND/OR DIMETHYLETHER

PROCESS FOR RECOVERING NOBLE METALS BELONGING TO GROUP VIII OF THE PERIODIC SYSTEM OF THE ELEMENTS FROM A CONTAMINATED CATALYST SOLUTION ORIGINATING FROM THE CABONYLATION OF METHYL ACETATE AND/OR DIMETHYLETHER The disclosure relates to a process for recovering noble metals belonging to group VIII of the Periodic System of the elements from a contaminated catalyst solution originating from the carbonylation of methyl acetate and/or dimethylether, the catalyst solution containing carbonyl complexes of these noble metals, organic compounds of the nitrogen group and/or salts of alkali metals, alkaline earth metals, chromium, iron, cobalt or nickel as promoters,undistillable organic contaminants as well as acetic acid, acetic anhydride and ethylidene diacetate, wherein the volatile constituents are distillatively removed from the catalyst solution and the remaining distillation residue is water-treated, whereby the noble metal/carbonyl-complex is precipitated together with the organic contaminants ...

PROCESSES FOR MAKING POLYISOBUTYLENE COMPOSITIONS

Methods of making polyisobutylene and catalyst systems are described. Polyisobutylene compositions and catalyst system compositions are also described. In some embodiments, a method of making a catalyst system includes: providing a support material; calcining the support material; and forming a catalyst system by adding to the support material (a) a mixture comprising BF3, (b) a mixture comprising BF3 and a complexing agent, or (c) both. In some embodiments, a method of making a polymer composition includes providing a catalyst system comprising: (a) a support material; and (b) BF3; providing a feedstock comprising isobutylene; forming a reaction mixture comprising the feedstock and the catalyst system; contacting the isobutylene with the catalyst system; and obtaining a polymer composition.

OXYGENATE TREATMENT OF DEWAXING CATALYST FOR GREATER YIELD OF DEWAXED PRODUCT

... ²²²Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to ²produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived ²from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced ²conversion to lower boiling hydrocarbons, by contacting the waxy hydrocarbons, ²in the presence of hydrogen, with an unsulfided 10-ring, 1-dimensional zeolite ²catalyst that has been reduced and then treated by contacting it with the ²synthesized hydrocarbons containing one or more oxygenates, including ²indigenous oxygenate. Tail gas from the hydrodewaxing reactor can be used for ²the hydrocarbon synthesis.² ...

SULFURATION PROCESS OF CATALYSTS FOR HYDROCARBON PROCESSING

La présente invention a pour objet un procédé de sulfuration d'un catalyseur de traitement d'hydrocarbures, comprenant : - au moins une première étape de dépôt, à la surface du catalyseur, d'un ou plusieurs auxiliaire(s) de sulfuration de formule (I) : (voir formule I) et - au moins une seconde étape, effectuée après la première étape, de mise en contact du catalyseur avec un mélange gazeux soufré contenant de l'hydrogène et un composé sulfuré. Ce procédé de comprend pas de dépôt de sources de carbones autres que l'auxiliaire de formule (I). Pas de figure ...

A COMPOSITION USEFUL IN THE HYDROPROCESSING OF A HYDROCARBON FEEDSTOCK

A composition having a substantial or material absence of or no phosphorous and comprising a support material, a metal compound and either a hydrocarbon oil or a polar additive or a combination of both a hydrocarbon oil and polar additive. The polar additive has particularly defined properties including having a dipole moment of at least 0.45. The composition is useful in the hydroprocessing of hydrocarbon feedstocks, and it is especially useful in the hydrotreating of vacuum gas oils and petroleum resid feedstocks.

Oil and polar additive impregnated composition useful in the catalytic hydroprocessing of hydrocarbons, a method of making such catalyst, and a process of using such catalyst

A composition that comprises a support material having incorporated therein a metal component and impregnated with both hydrocarbon oil and a polar additive. The composition that is impregnated with both hydrocarbon oil and polar additive is useful in the hydrotreating of hydrocarbon feedstocks, and it is especially useful in applications involving delayed feed introduction whereby the composition is first treated with hot hydrogen, and, optionally, with a sulfur compound, prior to contacting it with a hydrocarbon feedstock under hydrodesulfurization process conditions.

NOVEL IMINES WITH TUNABLE NUCLEOPHILICITY AND STERIC PROPERTIES THROUGH METAL COORDINATION: APPLICATIONS AS LIGANDS AND METALLOORGANOCATALYSTS

The invention describes phospho-amino pincer-type ligands, metal complexes thereof, and catalytic methods comprising such metal complexes for conversion of carbon dioxide to methanol, conversion of aldehydes into alcohols, conversion of aldehydes in the presence of a trifluoromethylation agent into trifluorinated secondary alcohols, cycloaddition of carbon dioxide to an epoxide to provide cyclic carbonates or preparation of an amide from the combination of an alcohol and an amine. 2. The composition of claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , and Rare each a alkyl claim 1 , each Z is CH and Ris a hydrogen atom.3. The composition of claim 2 , wherein R claim 2 , R claim 2 , R claim 2 , and Rare each a Calkyl.4. The composition of claim 2 , wherein Ris a methyl group or a hydrogen.5. The composition of claim 1 , wherein X is a hydride.6. The composition of claim 1 , wherein X is a halide.7. The composition of claim 1 , wherein the base is an organic base.8. The composition of claim 7 , wherein the organic base is an amine or an alkoxide.9. The composition of claim 8 , wherein the amine is an alkylamine comprising NRRR claim 8 , wherein R claim 8 , R claim 8 , and Rare each independently a hydrogen atom claim 8 , alkyl claim 8 , aryl claim 8 , aralkyl claim 8 , or a substituted version of any one of these groups claim 8 , wherein one or more of R claim 8 , R claim 8 , and Rcan form a ring or an aromatic amine.10. The composition of claim 9 , wherein the aromatic amine is pyridine. This International Application claims priority to U.S. Provisional Patent Application Ser. No. 62/049,022, filed Sep. 11, 2014, entitled “Novel Imines with tunable nucleophilicity and steric properties through metal coordination: Applications as ligands and Metalloorganocatalysts”, the contents of which are incorporated herein in their entirety for all purposes.The present invention relates generally to the field of chemistry and catalysis. More particularly, it relates to ...

OLEFIN OLIGOMERIZATION, A CATALYST COMPOSITION THEREFOR AND A METHOD OF PREPARING THE CATALYST COMPOSITION

The present disclosure envisages a catalyst composition for olefin oligomerization. The present disclosure also provides the offline and inline methods for preparing the catalyst composition. The catalyst composition of the present disclosure provides high productivity and selectivity for 1-Hexene during olefin oligomerization. 1. A catalyst composition for olefin oligomerization , said catalyst composition comprising:i. an aquated chromium salt;ii. at least one organic ligand;iii. a first co-catalyst and a second co-catalyst;iv. at least one fluid medium; andv. optionally, at least one electron donor selected from the group consisting of tris(4-methoxyphenyl) phosphine, 2,5-dimethylthiophene and cis-2,6-dimethylpiperidine.2. The catalyst composition as claimed in claim 1 , wherein said aquated chromium salt is at least one selected from the group consisting of Cr(2-ethylhexanoate). nHO claim 1 , wherein said integer ‘n’ is in the range of 1 to 6 and aquated chromium tris acetylacetonate.3. The catalyst composition as claimed in claim 1 , wherein said organic ligand is 2 claim 1 ,5-dimethylpyrrole claim 1 , tris(4-methoxyphenyl) phosphine claim 1 , 2 claim 1 ,5-dimethylthiophene and cis-2 claim 1 ,6-dimethylpiperidine.4. The catalyst composition as claimed in claim 1 , wherein said first co-catalyst is at least one selected from the group consisting of triethylaluminum claim 1 , tridecylaluminum claim 1 , tri-n-butylaluminum claim 1 , tri-isopropylaluminum claim 1 , tri-isoprenylaluminum claim 1 , tri-isobutylaluminum claim 1 , triphenylaluminum claim 1 , tri-n-octylaluminum and tri-n-decylaluminum.5. The catalyst composition as claimed in claim 1 , wherein said second co-catalyst is at least one selected from the group consisting of ethyl aluminum sesquichloride claim 1 , diethylaluminum chloride claim 1 , di-isobutyl aluminum chloride and ethyl aluminum dichloride.6. The catalyst composition as claimed in claim 1 , wherein said fluid medium is at least one ...

Graphene oxide modified two-part cyanoacrylate/free radically curable adhesive systems

The present invention relates to two-part cyanoacrylate adhesive comprising a) a first part comprising a cyanoacrylate component; a peroxide catalyst; a stabilizer and a thickener; and b) a second part comprising a (meth)acrylate component; a graphene oxide; an adhesion promoter; a metal salt; and a fumed silica. Adhesive according to the present invention provides good performance as structural adhesive, good adhesion strength, good open and fix times, good tensile lap shear strength and good peel strength.

Conductive composition and applications thereof

The present invention relates to a conductive composition, comprising: poly-(3,4-ethylenedioxythiophene): poly-(styrenesulfonic acid); and a surfactant; in which the surfactant has a concentration of 1 to 10% by weight based on the total weight of the composition, and the conductive composition does not comprise any metal component. The present invention also relates to a cathode catalyst layer prepared by said conductive composition, and a method for preparing a cathode catalyst layer with said conductive composition.

HYDROPROCESSING CATALYST AND METHOD FOR PREPARING SAME

Embodiments of the invention relate to a method for preparing a hydroprocessing catalyst including supporting a carrier with one or more hydrogenation metal components selected from the group consisting of VIB, VIIB, and VIII group metals of the periodic table; drying and calcining the supported carrier having the hydrogenation metal components; supporting the supported carrier having the hydrogenation metal components with an organic compound, and drying and calcining the supported carrier having the hydrogenation metal components and the organic compound. The hydrogenation metal components and the organic compound are supported in the carrier. The organic compound is selected from the group consisting of methyl acetoacetate, ethyl acetoacetate and a mixture thereof. The hydrogenation metal components supported in the carrier is sulfide. An amount of the organic compound is 15 wt % to 90 wt % based on the total amount of the hydroprocessing catalyst. 1. A method for preparing a hydroprocessing catalyst , the method comprising:supporting a carrier with one or more hydrogenation metal components selected from the group consisting of VIB, VIIB, and VIII group metals of the periodic table;drying and calcining the supported carrier having the one or more hydrogenation metal components;supporting the supported carrier having the one or more hydrogenation metal components with an organic compound, anddrying and calcining the supported carrier having the one or more hydrogenation metal components and the organic compound,wherein the one or more hydrogenation metal components and the organic compound are supported in the carrier,wherein the organic compound is selected from the group consisting of methyl acetoacetate, ethyl acetoacetate and a mixture thereof,wherein the one or more hydrogenation metal components supported in the carrier is sulfided,wherein an amount of the organic compound is 15 wt % to 90 wt % based on the total amount of the hydroprocessing catalyst.2. ...

TRANSITION METAL TUNGSTEN OXY-HYDROXIDE

A hydroprocessing catalyst has been developed. The catalyst is a unique transition metal tungsten oxy-hydroxide material. The hydroprocessing using the transition metal tungsten oxy-hydroxide material may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking. 2. The transition metal tungsten oxy-hydroxide material of wherein the transition metal tungsten oxy-hydroxide material is present in a mixture with at least one binder and wherein the mixture comprises up to 25 wt % binder.3. The transition metal tungsten oxy-hydroxide material of wherein the binder is selected from the group consisting of silicas claim 2 , aluminas claim 2 , and silica-aluminas.4. The transition metal tungsten oxy-hydroxide material of wherein M is nickel or cobalt.5. The transition metal tungsten oxy-hydroxide material of wherein M is nickel.6. The transition metal tungsten oxy-hydroxide material of wherein the transition metal tungsten oxy-hydroxide material is sulfided.8. The method of wherein the reacting is conducted at a temperature ranging from about 60° C. to about 120° C. for a period of time ranging from 30 minutes to around 2 days.9. The method of wherein the recovering is by filtration or centrifugation.10. The method of further comprising adding a binder to the recovered metal tungsten oxy-hydroxide material11. The method of wherein the binder is selected from the group consisting of aluminas claim 10 , silicas claim 10 , and alumina-silicas.12. The method of further comprising sulfiding the recovered transition metal tungsten oxy-hydroxide material.14. The process of wherein the conversion process is hydroprocessing.15. The process of wherein the conversion process is selected from the group consisting of hydrodenitrification claim 13 , hydrodesulfurization claim 13 , hydrodemetallation claim 13 , hydrodesilication claim 13 , hydrodearomatization claim 13 ...

Two-part, cyanoacrylate/free radically curable adhesive systems

Two-part cyanoacrylate/free radically curable adhesive systems demonstrating improved toughness are provided.

Method of preparing a catalyst usable in hydroconversion comprising at least one zeolite nu-86

The invention relates to a method of preparing a catalyst comprising a) preparation of a support comprising 0.2 to 30 wt % of zeolite NU-86 and from 70 to 99.8 wt % of a porous mineral matrix, the percentages by weight being expressed relative to the total weight of said support, b) impregnation of the support prepared according to step a) with at least one solution containing at least one precursor of at least one metal selected from group VIII metals and group VIB metals, used alone or as a mixture, c) at least one ripening step, and d) at least one drying step carried out at a temperature below 150° C., without a subsequent calcining step. The present invention also relates to a process for hydrocracking hydrocarbon feeds using the catalyst prepared according to the method of preparation according to the invention.

HYDROPROCESSING CATALYSTS AND THEIR PRODUCTION

The precursor of a hydroprocessing catalyst is made by impregnating a metal oxide component comprising at least one metal from Group 6 of the Periodic Table and at least one metal from Groups 8-10 of the Periodic Table with an amide formed from a first organic compound containing at least one amine group, and a second organic compound containing at least one carboxylic acid group. Following impregnation heat treatment follows to form in situ generated unsaturation additional to that in the two organic compounds. The catalyst precursor is sulfided to form an active, sulfide hydroprocessing catalyst. 1. (canceled)2. A method for hydroprocessing a biocomponent feedstock , comprising:exposing a biocomponent feedstock comprising a bio-derived fraction and a mineral oil fraction to a bulk mixed metal catalyst, in the presence of hydrogen under effective deoxygenation conditions, the bulk mixed metal catalyst comprising at least one Group VI metal selected from Mo and W and at least one Group VIII metal selected from Co and Ni; and forming a deoxygenated effluent.3. The method of claim 2 , wherein the bio-derived fraction makes up about 20 wt % of the biocomponent feedstock.4. The method of claim 2 , wherein the bio-derived fraction includes a lipids fraction claim 2 , wherein about 2 wt % to about 40 wt % of lipids in the lipids fraction claim 2 , based on the weight of the bio-derived fraction claim 2 , is sourced from algal sources.5. The method of claim 2 , wherein the deoxygenated effluent is substantially oxygen free.6. The method of claim 2 , wherein the dexoygenation conditions comprise a hydrogen partial pressure of from about 5 barg (0.5 MPag) to about 300 barg (30 MPag) claim 2 , a reaction temperature of from about 392° F. to about 842° F. (200° C. to 450° C.) claim 2 , a liquid hourly space velocity of from about 0.05 hrto about 10 hr claim 2 , and a hydrogen treat gas rate from about 200 scf/B (34 Nm/m) to about 10 claim 2 ,000 scf/B (1685 Nm/m).7. The method ...

Superficially Porous Hybrid Monoliths with Ordered Pores and Methods of Making and using same

The invention provides superficially porous metal oxide or hybrid metal oxide monoliths with ordered pore structures. The superficially porous hybrid silica monoliths of the invention provide several major advantages over existing silica monoliths. When used in chromatography, the superficially porous hybrid silica monoliths of the invention deliver fast separation at very low back pressure and possess superb pH stability and much improved mechanical strength. 1. A porous monolith , comprising:an organically modified solid skeleton comprising continuous macropores; anda substantially porous outer shell comprising substantially ordered mesopores, wherein both the skeleton and the outer shell are independently metal oxide or hybrid metal oxide; and wherein the metal oxide is selected from silica, alumina, titania and zirconia.2. The porous monolith of claim 1 , wherein the metal oxide is silica.3. The porous monolith of claim 2 , wherein the continuous macropores have a median pore size ranges from about 0.2 μm to about 10 μm.4. The porous monolith of claim 2 , wherein the substantially ordered mesopores have a median pore size ranges from about 1 nm to about 100 nm with a pore size distribution (one standard deviation) of no more than 50% of the median pore size.5. The porous monolith of claim 4 , wherein the substantially ordered mesopores have a median pore size ranges from about 2 nm to about 50 nm with a pore size distribution (one standard deviation) of no more than 50% of the median pore size.6. The porous monolith of claim 2 , wherein the hybrid silica skeletons are modified by silsesquioxane.7. The porous monolith of claim 6 , wherein silsesquioxane comprises bridged polysilsesquioxane.8. The porous monolith of claim 2 , wherein the silica monoliths have a median surface area in the range from about 5 m/g to about 1 claim 2 ,000 m/g.9. The porous monolith of claim 8 , wherein the silica monoliths have a median surface area in the range from about 100 m/g to ...

Methods for producing fuels, gasoline additives, and lubricants using amine catalysts

Provided herein are methods for producing α,β-unsaturated ketones from the condensation of methyl ketones in the presence of an amine catalyst. Such amine catalysts may be supported, for example, on a silica-alumina support. Such amine catalysts may be used in the presence of an additional acid. The α,β-unsaturated ketones may be produced by dimerization and/or timerization of the methyl ketones. Such α,β-unsaturated ketones may be suitable for use in producing fuels, gasoline additives, and/or lubricants, or precursors thereof. The methyl ketones may be obtained from renewable sources, such as by the fermentation of biomass.

NOVEL IMINES WITH TUNABLE NUCLEOPHILICITY AND STERIC PROPERTIES THROUGH METAL COORDINATION: APPLICATIONS AS LIGANDS AND METALLOORGANOCATALYSTS

The invention describes phospho-amino pincer-type ligands, metal complexes thereof, and catalytic methods comprising such metal complexes for conversion of carbon dioxide to methanol, conversion of aldehydes into alcohols, conversion of aldehydes in the presence of a trifluoromethylation agent into trifluorinated secondary alcohols, cycloaddition of carbon dioxide to an epoxide to provide cyclic carbonates or preparation of an amide from the combination of an alcohol and an amine. 2. The composition of claim 1 , wherein R claim 1 , R claim 1 , R claim 1 , and Rare each a alkyl claim 1 , each Z is CH claim 1 , T is N or NR claim 1 , and Ris a hydrogen atom.3. The composition of claim 2 , wherein R claim 2 , R claim 2 , R claim 2 , and Rare each a Calkyl and T is NR.4. The composition of claim 3 , wherein Ris a methyl group or a hydrogen.5. The composition of claim 1 , wherein X is a hydride.6. The composition of claim 1 , wherein X is a halide.7. The composition of claim 6 , wherein the halide is selected from chloride claim 6 , bromide claim 6 , iodide claim 6 , and fluoride. This International Application claims priority to U.S. Provisional Patent Application Ser. No. 62/049,022, filed Sep. 11, 2014, entitled “Novel Imines with tunable nucleophilicity and steric properties through metal coordination: Applications as ligands and Metalloorganocatalysts”, the contents of which are incorporated herein in their entirety for all purposes.The present invention relates generally to the field of chemistry and catalysis. More particularly, it relates to phospho-amino pincer-type ligands, metal complexes thereof, and catalytic methods comprising such metal complexes.Applications of molecular organometallic/coordination complexes as catalysts in organic transformations have been studied, and these reactions typically proceed at the metal atom as the catalytic center whose activity and selectivity are manipulated by modifying the steric and/or electronic properties of the ...

PROCESS FOR THE PRODUCTION OF HIGHER CARBOXYLIC ACID VINYL ESTERS

This invention concerns a process for the production of vinyl esters of carboxylic acids with 3 to 20 carbon atoms, via vinylation in the presence of palladium (Pd) catalyst in combination with copper (Cu) as co-catalyst stabilized by organic salts in the presence of ethylene and air or oxygen.

Selective hydrogenation method using a nickel-based catalyst produced using an additive comprising a carboxylic acid function

A process for the selective hydrogenation of polyunsaturated compounds containing at least 2 carbon atoms per molecule, contained in a hydrocarbon feedstock having a final boiling point below or equal to 300° C. in the presence of a catalyst comprising an alumina support and an active phase comprising nickel, said active phase not comprising a metal from Group VIB, said catalyst being prepared by a process comprising at least: i) a step of bringing said support into contact with at least one solution containing at least one nickel precursor; ii) a step of bringing said support into contact with at least one solution containing at least one organic compound comprising at least one carboxylic acid function; iii) a step of drying said impregnated support at a temperature below 250° C.; steps i) and ii) being carried out separately, in any order.

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Catalyst composition with mixed selectivity control agent and polymerisation method using it

The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/ 10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

Two atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture

A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R 1 —O—C(O)—O—] x R 2 wherein R 1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R 2 is an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are 2 atoms in the shortest chain connecting a first R 1 —O—C(O)—O— group and a second R 1 —O—C(O)—O— group.

Two atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture

A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R 1 -O-C(O)-O-] x R 2 wherein R 1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R 2 is an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are 2 atoms in the shortest chain connecting a first R 1 O C(O)-O- group and a second R 1 -O-C(O)-O- group.

Catalyst system, olefin polymerization process, and polymer composition produced therefrom

Catalyst System, Process for Olefin Polymerization, and Polymer Compositions Produced Therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Gas-phase polymerization process

A process for polymerizing one or more olefins in a gas-phase polymerization reactor is provided. The gas-phase reactor has a fluidized bed and a fluidizing medium. The flυidizing medium has an operating density and an operating velocity. The process includes determining a critical gas velocity and/or determining a critical gas velocity for the polymerization. The operating gas density and/or the operating gas velocity for the fluidizing medium is then adjusted to be less than or equal to its respective critical value. The process includes increasing the bulk density of the fluidized bed, The increase in the fluidized bed bulk density increases productivity without increasing reactor residence time.

Catalyst composition with mixed selectivity control agent and method

The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

Gas-phase polymerization process

A process for polymerizing one or more olefins in a gas-phase polymerization reactor is provided. The gas-phase reactor has a fluidized bed and a fluidizing medium. The fluidizing medium has an operating density and an operating velocity. The process includes determining a critical gas velocity and/or determining a critical gas velocity for the polymerization. The operating gas density and/or the operating gas velocity for the fluidizing medium is then adjusted to be less than or equal to its respective critical value. The process includes increasing the bulk density of the fluidized bed. The increase in the fluidized bed bulk density increases productivity without increasing reactor residence time.

Gas-Phase Polymerization Process

A process for polymerizing one or more olefins in a gas-phase polymerization reactor is provided. The gas-phase reactor has a fluidized bed and a fluidizing medium. The fluidizing medium has an operating density and an operating velocity. The process includes determining a critical gas velocity and/or determining a critical gas velocity for the polymerization. The operating gas density and/or the operating gas velocity for the fluidizing medium is then adjusted to be less than or equal to its respective critical value. The process includes increasing the bulk density of the fluidized bed. The increase in the fluidized bed bulk density increases productivity without increasing reactor residence time.

Catalyst composition with mixed selectivity control agent and method

The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

Self-limiting catalyst system with controlled aluminum to SCA ratio and method

A catalyst composition for the polymerization of propylene is provided. The catalyst composition includes one or more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors, one or more aluminum containing cocatalysts and a selectivity control agent (SCA). The SCA is a mixture of an activity limiting agent and a silane composition. The catalyst composition has a molar ratio of aluminum to total SCA from 0.5:1 to 4:1. This aluminum/SCA ratio improves polymerization productivity and the polymer production rate. The catalyst composition is self-extinguishing.

Catalyst composition with mixed selectivity control agent and method

The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

气相聚合方法

提供了用于在气相聚合反应器中聚合一种或多种烯烃的方法。该气相反应器具有流化床和流化介质。该流化介质具有操作密度和操作速度。该方法包括确定临界气体密度和/或确定用于该聚合的临界气体速度。随后该流体介质的操作气体密度和/或操作气体速度调节至小于或等于其各自临界值。该方法包括提高流化床的堆积密度。在不提高反应器停留时间的情况下，流化床堆积密度的增加提高了生产率。

Gas-phase polymerization process

A process for polymerizing one or more olefins in a gas-phase polymerization reactor is provided. The gas-phase reactor has a fluidized bed and a fluidizing medium. The flυidizing medium has an operating density and an operating velocity. The process includes determining a critical gas velocity and/or determining a critical gas velocity for the polymerization. The operating gas density and/or the operating gas velocity for the fluidizing medium is then adjusted to be less than or equal to its respective critical value. The process includes increasing the bulk density of the fluidized bed, The increase in the fluidized bed bulk density increases productivity without increasing reactor residence time.

Self limiting catalyst composition and propylene polymerization process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C 1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

Catalyst composition with mixed selectivity control agent and polymerisation method using it

Self limiting catalyst composition and propylene polymerization process

Self limiting catalyst composition and propylene polymerization process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)- (poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

A method of treating spontaneously combustible catalysts.

Method for sulphidation of hydrocarbon processing catalysts.

Process for sulfidation of a catalyst, comprises: at least a first step of depositing one or more sulfidation additive (I) on the catalyst surface, and at least a second step of contacting the catalyst with a sulfur gas mixture containing hydrogen and a sulfur compound, where the process does not contain any deposits of carbon sources other than (I), on the surface of the catalyst. Process for sulfidation of a catalyst comprises: at least a first step of depositing one or more sulfidation additive of formula (OH-C(=O)-C(R 1)=C(R 2)-C(=O)-OH) (I) on the catalyst surface, and at least a second step of contacting the catalyst with a sulfur gas mixture containing hydrogen and a sulfur compound, where the process does not contain any deposits of carbon sources other than (I), on the surface of the catalyst. R 1, R 2 : H (preferred) or 1-30C optionally saturated hydrocarbyl, not containing aromatic ring and optionally containing one or more heteroatom such as O, N or S.

Catalyst system of the ziegler-natta type and a process for preparing them

2-hydroxypyridine N-oxide-modified ziegler-natta catalyst system

A modified Ziegler-Natta catalyst system, a method for preparing the catalyst system, and a process for polymerizing an olefin in the presence of the catalyst system are disclosed. The catalyst system comprises a titanium or vanadium compound, an aluminum compound, and a 2-hydroxypyridine N-oxide. Improved properties such as increased molecular weight are obtained.

2-hydroxypyridine n-oxide-modified ziegler-natta catalyst system

A modified Ziegler-Natta catalyst system, a method for preparing the catalyst system, and a process for polymerizing an olefin in the presence of the catalyst system are disclosed. The catalyst system comprises a titanium or vanadium compound, an aluminum compound, and a 2-hydroxypyridine N-oxide. Improved properties such as increased molecular weight are obtained.

A MAGNESIUM / ALCOHOL DICHLORIDE ADDIC, CATALYST COMPONENTS FOR THE OFFERING POLYMERIZATION OBTAINED FROM SUCH A PRODUCT, A PROCEDURE FOR THE PREPARATION OF MAGNESIUM / ALCOHOL DICLORIDE AND A PROCEDURE FOR OIL POLYMERIUM

Aductos de MgCl2-mROH-nH2O, donde R es un alquilo C1-C10 2</= m </= 4,2, 0 </= n </= 0,7, que se distinguen por un espectro de difraccion de rayos Xdonde, en el rango de los ángulos de difraccion 2tetha comprendido entre 5* y 15*, las tresprincip ales líneas de difraccion están presentes en los ángulosde difraccion 2 tetha de 8,8 +/- 0,2*, 9,4 +/- 0,2* y 9,8 +/- 0,2*, siendo la línea de difraccion de máxima intensidad la que se encuentra a 2 tetha =8,8 +/- 0,2*, siendo laintensidad de l as otras dos líneas de difraccion por lo menos 0,2 veces la intensidad de la línea de difraccion de máximaintensidad. Los componentes de catalizadores obtenidos de estos aductos son capaces de proporcionar catalizadores parala polimerizacion de olefinas, queposeen una actividad y estereoespecifidad potenciadas con respecto a los catalizadores preparados a partir de los aductos del arte previo. Unprocedimiento para la preparacion de aductos de dicloruro demagnesio/alcohol y un pro cedimiento para la polimerizacion de olefinas. MgCl2-mROH-nH2O adducts, where R is a C1-C10 alkyl 2 </ = m </ = 4.2, 0 </ = n </ = 0.7, which are distinguished by a ray diffraction spectrum X where, in the range of diffraction angles 2tetha between 5 * and 15 *, the three main lines of diffraction are present at diffraction angles 2 tetha of 8.8 +/- 0.2 *, 9.4 + / - 0.2 * and 9.8 +/- 0.2 *, being the line of maximum intensity diffraction the one found at 2 tetha = 8.8 +/- 0.2 *, being the intensity of the other two diffraction lines at least 0.2 times the intensity of the maximum intensity diffraction line. The catalyst components obtained from these adducts are capable of providing catalysts for the polymerization of olefins, which possess enhanced activity and stereospecificity with respect to the catalysts prepared from the adducts of the prior art. A procedure for the preparation of demagnesium dichloride / alcohol adducts and a procedure for the polymerization of olefins.

Catalyst composition with mixed selectivity control agent and method

The present disclosure provides a Ziegler-Natta catalyst composition comprising a procatalyst, a cocatalyst and a mixed external electron donor comprising a first selectivity control agent, a second selectivity control agent, and an activity limiting agent. A polymerization process incorporating the present catalyst composition produces a high-stiffness propylene-based polymer with a melt flow rate greater than about 50 g/10 min. The polymerization process occurs in a single reactor, utilizing standard hydrogen concentration with no visbreaking.

Catalyst components for the polymerization of olefins

Prepolymerized catalyst component for the polymerization of olefins CH2═CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, having average particle size equal to or lower than 30 μm comprising a solid catalyst component comprising magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other one being selected from esters of aromatic mono or dicarboxylic acids, said solid catalyst component being prepolymerized with an olefin, having from 2 to 10 carbon atoms, to such an extent that the amount of the olefin prepolymer is equal to or lower than 50 g per g of solid catalyst component.

烯烃聚合的催化剂组分

烯烃CH 2 =CHR聚合的预聚合催化剂组分，其中R是氢或C 1 -C 12 烃基，其包括以下列为特征的固体催化剂组分：包括Mg、Ti卤素和选自芳香族二羧酸的烷基酯的电子供体(ID)，其用量使摩尔比ID/Mg在0.025至0.07的范围，Mg/Ti摩尔比高于13，所述预聚合的催化剂组分含有乙烯预聚物，其数量达到每克所述固体催化剂组分至多50克乙烯预聚物。

MAGNESIUM / ALCOHOL DICHLORIDE ADUCTS, PROCEDURE FOR THE PREPARATION AND CATALYST COMPONENTS OBTAINED FROM THESE.

LA PRESENTE INVENCION SE REFIERE A ADUCTOS MGCL 2 .MROH.NH 2 O, EN DONDE R ES UN ALQUILO C 1 - C 10 , 2=M=4,2, 0=N=0,7, CARACTERIZADO POR UN ESPECTRO DE DIFRACCION DE RAYOS X EN EL CUAL, EN EL RANGO DE ANGULOS DE DIFRACCION 2 ZE ENTRE 5° Y 15°, LAS TRES PRINCIPALES LINEAS DE DIFRACCION SE ENCUENTRAN PRESENTES EN ANGULOS DE DIFRACCION 2 ZE DE 8,8 (MAS MENOS) 0,2°, 9,4 (MAS MENOS) 0,2° Y 9,8 (MAS MENOS) 0,2°, SIENDO LA LINEA MAS INTENSA DE DIFRACCION LA QUE SE ENCUENTRA EN 2 ZE =8,8 (MAS MENOS) 0,2°, Y SIENDO LA INTENSIDAD DE LAS OTRAS DOS LINEAS DE DIFRACCION AL MENOS 0,2 VECES LA INTENSIDAD DE LA LINEA DE DIFRACCION MAS INTENSA. LOS COMPONENTES CATALIZADORES OBTENIDOS A PARTIR DE LOS ADUCTOS DE LA PRESENTE INVENCION SON CAPACES DE PROPORCIONAR CATALIZADORES PARA LA POLIMERIZACION DE OLEFINAS, CARACTERIZADOS POR UNA MAYOR ACTIVIDAD Y ESTEREOESPECIFICIDAD CON RELACION A LOS CATALIZADORES PREPARADOS CON LOS ADUCTOS DE LA TECNICA ANTERIOR. THE PRESENT INVENTION REFERS TO MGCL 2 .MROH.NH 2 OR ADUCTS, WHERE R IS A C 1 - C 10 RENT, 2 = M = 4.2, 0 = N = 0.7, CHARACTERIZED BY A DIFRACTION SPECTRUM OF X-RAYS IN WHICH, IN THE RANGE OF DIFRACTION ANGULES 2 ZE BETWEEN 5 AND 15, THE THREE MAIN DIFFACTION LINES ARE FOUND PRESENT IN DIFRACTION ANGULES 2 ZE OF 8.8 (LESS) 0.2 ° , 9.4 (LESS) 0.2 ° AND 9.8 (LESS) 0.2 °, WHICH IS THE MOST INTENSE DIFFACTION LINE THAT IS IN 2 ZE = 8.8 (LESS) 0.2 °, AND BEING THE INTENSITY OF THE OTHER TWO DIFFACTION LINES AT LEAST 0.2 TIMES THE INTENSITY OF THE INTENSE DIFRACTION LINE. THE CATALYZING COMPONENTS OBTAINED FROM THE ADUCTS OF THE PRESENT INVENTION ARE ABLE TO PROVIDE CATALYZERS FOR THE POLYMERIZATION OF OLEFINS, CHARACTERIZED BY A GREATER ACTIVITY AND STEREO SPECIFICITY REGARDING THE CATALYZERS PREPARED BY THOSE PREPARED.

Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom

The present invention relates to MgCl 2 .mROH.nH 2 O adducts, where R is a C 1 -C 10 alkyl, 2≦m≦4.2, and 0≦n≦0.7, characterized by a differential scanning calorimetry (DSC) profile in which no peaks are present at temperatures below 90° C. or, if peaks are present below said temperature, the fusion enthalpy associated with said peaks is less than 30% of the total fusion enthalpy. Catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity and stereospecificity with respect to the catalysts prepared from the adducts of the prior art.

Magnesium dichloride-alcohol adducts process for their preparation and catalyst components obtained therefrom

The present invention relates to a process for the preparation of MgCl 2 .pROH.qH 2 O adducts, where R is a C 1 -C 10 alkyl, 1≦p≦6, and 0≦q≦1, comprising the steps of (a) dispersing magnesium dichloride in an inert liquid, (b)adding the alcohol in vapour phase and maintaining the temperature at values allowing the adduct to be melted, (c)emulsifying the molten adduct in a liquid medium immiscible with and chemically inert to said adduct and, (d) contacting the adduct with an inert cooling liquid.

Katalysatorsysteme vom Typ der Ziegler-Natta-Katalysatoren und ein Verfahren zu deren Herstellung

Die vorliegende Erfindung betrifft Katalysatorsysteme vom Typ der Ziegler-Natta-Katalysatoren, ein Verfahren zu deren Herstellung, deren Verwendung zur Polymerisation von Olefinen sowie Ethylencopolymere, herstellbar mit diesem Katalysatorsystem.

Molar ratio modifications to larger polyolefin catalysts

Disclosed are catalyst systems and methods of making the catalyst systems/supports for the polymerization of an olefin containing a solid titanium catalyst component having a substantially spherical shape and containing an internal electron donor, a support made by contacting substantially equal molar amounts of a magnesium compound and an epoxy compound in the presence of an aprotic solvent and subsequent treatment with a halogenating agent to provide a magnesium based catalyst support. The catalyst system can further contain an organoaluminum compound and an organosilicon compound. Also disclosed are methods of polymerizing or copolymerizing an alpha-olefin. The methods involve contacting an olefin with a catalyst system containing the solid titanium catalyst component.

Sistema de catalizador auto-limitante con proporcion de aluminio a sca controlada y metodo.

Se proporciona una composición de catalizador para la polimerización de propileno. La composición de catalizador incluye una o más composiciones de procatalizador de Ziegler-Natta teniendo uno o más compuestos de metal de transición y uno o más ésteres de donadores de electrones internos de ácido dicarboxílico aromático, uno o más cocatalizadores conteniendo aluminio y un agente de control de selectividad (SCA). El SCA es una mezcla de un agente limitante de actividad y una composición de silano. La composición de catalizador tiene una proporción molar de aluminio a SCA total de 0.5:1 hasta 4:1. Esta proporción de aluminio/SCA mejora la productividad de polimerización y la velocidad de producción de polímero. La composición de catalizador es de auto-extinción.

process for polymerizing one or more olefins in a gas phase reactor and gas phase polymerization reactor

Catalyst and process

A catalyst composition comprises the reaction product of an alkoxide or condensed alkoxide of a metal M, selected from titanium, zirconium, hafnium, aluminum, or a lanthanide, an alcohol containing at least two hydroxyl groups, a 2-hydroxy carboxylic acid and a base, wherein the molar ratio of base to 2-hydroxy carboxylic acid is in the range 0.01-0.79:1. The composition is useful as a catalyst for esterification reactions, especially for the production of polyesters such as polyethylene terephthalate, polytrimethylene terephthalate and polybutylene terephthalate.

オレフィン類の重合用触媒成分及びそれから得られた触媒

Ｍｇ、Ｔｉ、Ｈｆ及びハロゲン原子を含み、場合により、−ＯＲ基（式中、ＲはＣ１−Ｃ２０炭化水素基である）を含むことができる触媒成分であって、（ａ）Ｍｇ原子は、触媒成分の総重量を基準に７％を超える量で存在し、（ｂ）Ｍｇ、Ｔｉ及びＨｆ原子の量は、Ｍｇ／Ｔｉモル比が（３）〜（２５）の範囲であり、Ｈｆ／Ｔｉモル比が１．５より低いような量であり、そして（ｃ）−ＯＲ基が存在する場合、その量は、−ＯＲ／Ｔｉモル比が（２）より低いような量であることを特徴とする、前記触媒成分。

Self limiting catalyst composition and propylene polymerization process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C 1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

Self limiting catalyst composition and propylene polymerization process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C 1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

Self limiting catalyst composition and propylene polymerization process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C 1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

Nickel-based catalysts for preparing high cis 1,4-polydienes

A nickel-carbene polymerization catalyst system for preparing high cis polydienes is provided. The catalyst system comprises (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcohol. Also provided is a process for producing a polydiene comprising reacting a conjugated diene in the presence of a polymerization catalyst comprising (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcohol.

Nickel-based catalysts for preparing high cis 1,4-polydienes

A nickel-carbene polymerization catalyst system for preparing high cis polydienes is provided. The catalyst system comprises (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcohol. Also provided is a process for producing a polydiene comprising reacting a conjugated diene in the presence of a polymerization catalyst comprising (a) a nickel N-heterocyclic carbene complex, (b) an organoaluminum compound, (c) a fluorine-containing compound, and (d) optionally, an alcohol.

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

催化剂体系、烯烃聚合方法和由其制备的聚合物组合物

提供了催化剂体系，使一种或多种烯烃聚合的方法，由其所得的聚合物，和由此种聚合物制备的制品。所述方法包括在聚合条件下使一种或多种烯烃单体，优选丙烯与催化剂体系接触，该催化剂体系包含过渡金属化合物和本文描述的通式(1)或(2)的活化剂。本文描述的聚合物组合物与具有相同共聚单体含量的常规聚合物相比有利地显示窄的组成分布和高熔点。本文描述的聚合物在膜和制造的部件应用中显示改进的性能，例如粒料稳定性、冲击性能、热封性能和结构完整性。

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom

Provided are catalyst systems, processes for polymerizing one or more olefins, polymers resulting therefrom, and articles prepared from such polymers. The processes comprise contacting under polymerization conditions one or more olefin monomers, preferably propylene, with a catalyst system comprising a transition metal compound and an activator of the formula (1) or (2) as described herein. The polymer compositions described herein exhibit advantageously narrow composition distributions and high melting points in comparison to conventional polymers having the same comonomer content. The polymers described herein exhibit improved properties, e.g., pellet stability, impact properties, heat seal properties, and structural integrity in film and fabricated parts applications.

催化剂体系、烯烃聚合方法和由其制备的聚合物组合物

本发明提供了催化剂体系，使一种或多种烯烃聚合的方法，由其所得的聚合物，和由此种聚合物制备的制品。所述方法包括在聚合条件下使一种或多种烯烃单体，优选丙烯与催化剂体系接触，该催化剂体系包含过渡金属化合物和本文描述的通式(1)或(2)的活化剂。本文描述的聚合物组合物与具有相同共聚单体含量的常规聚合物相比有利地显示窄的组成分布和高熔点。本文描述的聚合物在膜和制造的部件应用中显示改进的性能，例如粒料稳定性、冲击性能、热封性能和结构完整性。

Method for preparing a catalyst usable in hydroprocessing and hydroconversion

The invention relates to a method for preparing a catalyst from a catalytic precursor including an alumina and/or silica-alumina and/or zeolite support, and including at least one Group VIB element and optionally at least one Group VIII element, said method involving impregnating said precursor with a solution of a C1-C4 dialkyl succinate. The method comprises a step (step 1) of impregnating said dried, calcined or regenerated precursor with at least one solution containing at least one carboxylic acid other than acetic acid, followed by aging and drying at a temperature of less than or equal to 200°C, optionally followed by a heat treatment at a temperature of less than 350°C, step 1 being followed by impregnation (step 2) with a solution containing at least one C1-C4 dialkyl succinate followed by aging, and drying at a temperature of less than 200°C, without a subsequent calcining step. The catalyst is used in hydroprocessing and/or hydroconversion.

炭化水素油の水素化処理用触媒の製造方法

Catalyst composition for ethylene oligomerization and the use thereof

The present invention relates to a catalyst composition for ethylene oligomerization and the use thereof. Such catalyst composition includes chromium compound, ligand containing P and N, activator and accelerator; wherein the chromium compound is selected from the group consisting of acetyl acetone chromium, THF-chromium chloride and/or Cr(2-ethylhecanoate) 3 ; general formula of the ligand containing P and N is shown as: in which R 1 , R 2 , R 3 and R 4 are phenyl, benzyl, or naphthyl. R 5 is isopropyl, butyl, cyclopropyl, cyclopentyl, cyclohexyl or fluorenyl; the activatior is methyl aluminoxane, ethyl aluminoxane, propyl aluminoxane and/or butyl aluminoxane; general formula of the accelerator is X 1 R 6 X 2 , in which X 1 and X 2 are F, Cl, Br, I or alkoxyl, R 6 is alkyl or aryl; the molar ratio of a, b, c and d is 1:0.5˜10:50˜3000:0.5˜10. After mixing the four components mentioned previously under nitrogen atmosphere for 10 minutes, they are incorporated to the reactor, or these four components are incorporated directly into the reactor. Then ethylene is introduced for oligomerization. Such catalyst can be used in producing 1-octene through ethylene oligomerization. It is advantageous in high catalysing activity, high 1-octene selectivity, etc. The catalytic activity is more than 1.0×10 6 g product·mol −1 Cr ·h −1 , the fraction of C 8 linear α-olefin is more than 70% by mass.

Catalyst components for the polymerization of olefins

Prepolymerized catalyst component for the polymerization of olefins CH 2 ═CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, having average particle size equal to or lower than 30 μm comprising a solid catalyst component comprising magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other one being selected from esters of aromatic mono or dicarboxylic acids, said solid catalyst component being prepolymerized with an olefin, having from 2 to 10 carbon atoms, to such an extent that the amount of the olefin prepolymer is equal to or lower than 50 g per g of solid catalyst component.

Catalyst components for the polymerization of olefins

Prepolymerized catalyst component for the polymerization of olefins CH2═CHR, wherein R is hydrogen or a C1-C12 hydrocarbyl group, comprising a solid catalyst component characterized by comprising Mg, Ti halogen and an electron donor (ID) selected from the alkyl esters of aromatic dicarboxylic acids in such an amount that the molar ratio ID/Mg ranges from 0.025 to 0.07 and the Mg/Ti molar ratio is higher than 13, said prepolymerized catalyst component containing an amount of ethylene pre-polymer up to 50 g per g of said solid catalyst component.

Catalyst components for the polymerization of olefins

Prepolymerized catalyst component for the polymerization of olefins CH 2 ═CHR in which R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms, having average particle size equal to or lower than 30 μm comprising a solid catalyst component comprising magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being selected from 1,3-diethers and the other one being selected from esters of aromatic mono or dicarboxylic acids, said solid catalyst component being prepolymerized with an olefin, having from 2 to 10 carbon atoms, to such an extent that the amount of the olefin prepolymer is equal to or lower than 50 g per g of solid catalyst component.

Novel hindered alkyl aluminum amide cocatalysts

A new catalyst system for alphaolefin type polymerizations, includes at least one hindered alkyl metal amide compound having the formula R' 2 YNR 2 in combination with a Group IVB-VIII transition metal compound on a support and at least one Lewis base wherein R is selected from the group consisting of C 4 to C 20 bulky alkyl, cycloalkyl, aralkyl, aryl and substituted aryl groups or R 2 N is a hindered cyclic amide group; R' is selected from the group consisting of C 1 to C 20 primary alkyl, secondary alkyl, tertiary alkyl, neopentyl alkyl, branched alkyl, cycloalkyl or aralkyl groups, and Y is selected from the group consisting of aluminum, gallium or indium. The catalyst system provides polymers having increased isotactic stereoregularity as well as lower catalyst residue.

Cyclic organosilicon compounds as electron donors in zeigler-natta catalyst systems for producing propylene polymer having high melt-flowability

Cyclic organosilicon compounds having a structure represented by the general formula and a method for using thereof as a component of catalysts for producing propylene polymer having a very high melt-fiowability are disclosed. The cyclic organosilicon compounds are employed as external electron donors in Ziegler-Natta catalyst systems to dramatically improve the hydrogen response, and therefore the catalyst systems can be used to prepare polymer having high melt-flowability and high isotacticity at high yield.

Cyclic organosilicon compounds as electron donors in Zeigler-Natta catalyst systems for producing propylene polymer having high melt-flowability

Cyclic organosilicon compounds having a structure represented by the general formula and a method for using thereof as a component of catalysts for producing propylene polymer having a very high melt-flowability are disclosed. The cyclic organosilicon compounds are employed as external electron donors in Ziegler-Natta catalyst systems to dramatically improve the hydrogen response, and therefore the catalyst systems can be used to prepare polymer having high melt-flowability and high isotacticity at high yield.

A catalyst component for olefin polymerization and a catalyst comprising the same

THE PRESENT INVENTION RELATES TO A SOLID CATALYST COMPONENT FOR OLEFIN POLYMERIZATION COMPRISING AN ?-CYANOSUCCINATE COMPOUND AS AN INTERNAL ELECTRON DONOR, A CATALYST COMPRISING THE CATALYST COMPONENT, THE CATALYST EXHIBITS A HIGHER CATALYTIC ACTIVITY AND GOOD HYDROGEN RESPONSE, AND THE RESULTING POLYMER HAS A HIGH ISOTACTICITY AND A BROAD MOLECULAR WEIGHT DISTRIBUTION.

Self-Limiting Catalyst System with Controlled Aluminum to SCA Ratio and Method

A catalyst composition for the polymerization of propylene is provided. The catalyst composition includes one or more Ziegler-Natta procatalyst compositions having one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors, one or more aluminum containing cocatalysts and a selectivity control agent (SCA). The SCA is a mixture of an activity limiting agent and a silane composition. The catalyst composition has a molar ratio of aluminum to total SCA from 0.5:1 to 4:1. This aluminum/SCA ratio improves polymerization productivity and the polymer production rate. The catalyst composition is self-extinguishing.

Three and four atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture

A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R 1 —O—C(O)—O—] x R 2 wherein R 1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R 2 is an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are from 3 to 4 atoms in the shortest chain connecting a first R 1 —O—C(O)—O— group and a second R 1 —O—C(O)—O— group.

Self Limiting Catalyst Composition and Propylene Polymerization Process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procataJyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors: one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C 1-10 aikoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

Self Limiting Catalyst Composition and Propylene Polymerization Process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C 1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

Self Limiting Catalyst Composition and Propylene Polymerization Process

A catalyst composition for the polymerization of propylene comprising one or more Ziegler-Natta procatalyst compositions comprising one or more transition metal compounds and one or more esters of aromatic dicarboxylic acid internal electron donors; one or more aluminum containing cocatalysts; a selectivity control agent (SCA) comprising at least one silicon containing compound containing at least one C 1-10 alkoxy group bonded to a silicon atom, and one or more activity limiting agent (ALA) compounds comprising one or more aliphatic or cycloaliphatic carboxylic acids; alkyl-, cycloalkyl- or alkyl(poly)(oxyalkyl)-(poly)ester derivatives thereof; or inertly substituted derivatives of the foregoing.

Three and four atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture

A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R1-O-C(O)-O-] x R 2 wherein R 1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R 2 is an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are from 3 to 4 atoms in the shortest chain connecting a first R 1 -O-C(O)-O- group and a second R 1 -O-C(O)-O- group.

Two atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture

A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R 1 —O—C(O)—O—] x R 2 wherein R 1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R 2 is an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are 2 atoms in the shortest chain connecting a first R 1 —O—C(O)—O— group and a second R 1 —O—C(O)—O— group.

Three and four atom bridged dicarbonate compounds as internal donors in catalysts for polypropylene manufacture

A solid, hydrocarbon-insoluble, catalyst component useful in polymerizing olefins, said catalyst component containing magnesium, titanium, and halogen, and further containing an internal electron donor having a structure: [R1-O-C(O)-O-]xR2 wherein R1 is independently at each occurrence, an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms; x is 2-4; and R2 is an aliphatic or aromatic hydrocarbon, or substituted hydrocarbon group containing from 1 to 20 carbon atoms, provided that there are from 3 to 4 atoms in the shortest chain connecting a first R1-O-C(O)-O- group and a second R1-O-C(O)-O- group.

Magnesium dischloride-alcohol adducts and catalyst components obtained therefrom

The present invention relates to MgCl 2 .mROH.nH 2 O adducts, where R is a C 1 -C 10 alkyl, 2≦m≦4.2, 0≦n≦0.7, characterized by an X-ray diffraction spectrum in which, in the range of 2θ diffraction angles between 5° and 15°, the three main diffraction lines are present at diffraction angles 2θ of 8.8±0.2°, 9.4±0.2° and 9.8±0.2°, the most intense diffraction lines being the one at 2θ=8.8±0.2°, the intensity of the other two diffraction lines being at least 0.2 times the intensity of the most intense diffraction line. Catalyst components obtained from the adducts of the present invention are capable to give catalysts for the polymerization of olefins characterized by enhanced activity and stereospecificity with respect to the catalysts prepared from the adducts of the prior art.

Componente catalisador sólido insolúvel em hidrocarboneto, método para polimerizar uma olefina e composto

sistema de determinação de propriedade de combustível para motor de combustão interna. a presente invenção refere-se a uma pressão de injeção de combustível (per) em um tempo no qual uma concentração de nox (temperatura de combustão) indica um valor máximo, sob a condição que um tempo de injeção de combustível (injt) seja fixo a um primeiro tempo de injeção (int1) e seja gravado como uma primeira pressão de injeção de pico de nox (per1). similarmente, uma segunda pressão de injeção de pico de nox (pcr2) é gravada sob a condição que o tempo de injeção de combustível (injt) seja fixo a um segundo tempo de injeção (int2). um número de cetanos (cn) e uma propriedade de destilação (t90) do combustível são determinados com base nestas pressões de injeção de pico de nox (per1 e pcr2).

用于聚合烯烃的催化剂组分和由其获得的催化剂

一种催化剂组分，其包含Mg、Ti、Hf、卤素和任选的-OR基团，这里R是C 1 -C 20 烃基，特征在于(a)Mg原子的存在量高于7%，基于所述的催化剂组分的总重量，(b)Mg、Ti和Hf原子的量是这样，即，使得Mg/Ti摩尔比为3-25，Hf/Ti摩尔比低于1.5，和(c)当-OR基团存在时，它们的量是这样，即，使得–OR/Ti摩尔比低于2。

Catalyst components for the polymerization of olefins and catalysts therefrom obtained

Compuestos de dicarbonato puenteados por dos atomos como donadores internos en catalizadores para la fabricacion de polipropileno.

Un componente catalizador sólido, insoluble en hidrocarburo, útil para polimerizar olefinas, dicho componente catalizador contiene magnesio, titanio, y halógeno, y contiene además un donador de electrones interno que tiene una estructura: [R1-O-C(O)O-]xR2 donde R1 es independientemente en cada incidencia, un hidrocarburo alifático o aromático, o grupo hidrocarburo sustituido con contenido de 1 a 20 átomos de carbono; x es 2-4; y R2 es un hidrocarburo alifático o aromático, o grupo hidrocarburo sustituido con contenido de 1 a 20 átomos de carbono, visto que existen 2 átomos en la cadena más corta que conectan con un primer grupo R1-O-C(O)-O y un segundo grupo R1- O-C(O)-O.

共役ジエンポリマーの水素化のためのプロセスとこのプロセスで使用するのに適した触媒組成物

(57)【要約】 【課題】 エチレン性不飽和を含むポリマーの水素化に 適する触媒組成物を提供する。 【解決手段】 （ａ）次式： 【化１】 ［前式中で、Ａ 1 、Ａ 2 、Ｌ 1 及びＬ 2 は請求項１に定 義の通りである］のチタン化合物、及び、（ｂ）それ自 体として添加されるか、又は、アルカリ金属末端リビン グポリマーから及び／又は追加のアルカリ金属アルキル からポリマー溶液中でインシトゥで調製されるアルカリ 金属水素化物を少なくとも含む触媒組成物。

Catalyst components for the polymerization of olefins and catalysts therefrom obtained

Catalyst component comprising Mg, Ti, Hf, a halogen and, optionally, -OR groups where R is a C1-C20 hydrocarbon group, characterized in that (a) the Mg atoms are present in an amount higher than 7% based on the total weight of the said catalyst component, (b) the amount of Mg, Ti, and Hf atoms is such that the Mg/Ti molar ratio ranges from (3) to (25) and the Hf/Ti molar ratio is lower than 1.5 and (c) when -OR groups are present their amount is such that the -OR/Ti molar ratio is lower than (2).

Magnesium dichloride-alcohol adducts, process for their preparation and catalyst components obtained therefrom

본 발명은 5°내지 15°사이에 2θ 회절각의 범위에서, 세개의 회절선이 8.8 ± 0.2°, 9.4 ± 0.2°및 9.8 ± 0.2°의 회절각 2θ에서 존재하고, 가장 강한 회절선은 2θ = 8.8 ± 0.2°에서 하나이고, 나머지 두개의 회절선의 강도는 가장 강한 회절선의 강도에 0.2 배 이상인 X-선 회절 스펙트럼인 것을 특징으로 하는, MgCl 2 ·mROH·nH 2 O 부가물 (식중, R 은 C 1 -C 10 알킬, 2≤m≤4.2, 0≤n≤0.7 이다) 에 관한 것이다. 본 발명의 부가물로부터 수득된 촉매 성분은 선기술의 부가물로부터 제조된 촉매에 대해 활성 및 입체특이성이 향상된 것을 특징으로 하는 올레핀의 중합용 촉매를 제공할 수 있다. In the present invention, in the range of 2θ diffraction angles between 5 ° and 15 °, three diffraction lines exist at diffraction angles 2θ of 8.8 ± 0.2 °, 9.4 ± 0.2 ° and 9.8 ± 0.2 °, and the strongest diffraction line is 2θ MgCl 2 · mROH · nH 2 O adduct (where R is one at 8.8 ± 0.2 ° and the intensity of the remaining two diffraction lines is an X-ray diffraction spectrum that is at least 0.2 times the intensity of the strongest diffraction line Is C 1 -C 10 alkyl, 2 ≦ m ≦ 4.2, 0 ≦ n ≦ 0.7). The catalyst component obtained from the adduct of the present invention can provide a catalyst for the polymerization of olefins, characterized in that the activity and stereospecificity are improved for the catalyst prepared from the adducts of the prior art.

Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product

Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by contacting the waxy hydrocarbons, in the presence of hydrogen, with an unsulfided 10-ring, 1-dimensional zeolite catalyst that has been reduced and then treated by contacting it with the synthesized hydrocarbons containing one or more oxygenates, including indigenous oxygenate. Tail gas from the hydrodewaxing reactor can be used for the hydrocarbon synthesis.

Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product

Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by contacting the waxy hydrocarbons, in the presence of hydrogen, with an unsulfided 10-ring, 1-dimensional zeolite catalyst that has been reduced and then treated by contacting it with the synthesized hydrocarbons containing one or more oxygenates, including indigenous oxygenate. Tail gas from the hydrodewaxing reactor can be used for the hydrocarbon synthesis.

Catalyst composition with mixed selectivity control agent and polymerisation method using said composition

FIELD: chemistry. SUBSTANCE: invention relates to Ziegler-Natta catalysts. Described is a catalyst composition containing: Ziegler-Natta procatalyst composition containing titanium, magnesium and an internal electron donor, containing at least two oxygen-containing functional groups, the oxygen-containing functional groups being separated by at least one saturated C 2 -C 10 hydrocarbon chain which can optionally contain a heteroatom; organoaluminium compounds as a cocatalyst; and a mixed external electron donor (M-EED) comprising an activity limiting agent (ALA), a first selectivity control agent (SCA1) containing an alkoxysilane, a second selectivity control agent (SCA2) selected from a group consisting of an alkoxysilane, a diether, and a dialkoxybenzene, wherein the molar ratio SCA1:SCA2 ranges from 0.1:1 to 1.0:1, the molar ratio of total-SCA to ALA is less than 1.0, and wherein the ALA is selected from a group consisting of an aromatic ester or a derivative thereof, an aliphatic ester or a derivative thereof, a diether, poly(alkylene glycol) of an ester and combinations thereof. EFFECT: novel catalyst composition is described. 10 cl, 2 dwg, 8 tbl, 2 ex РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 486 208 (13) C2 (51) МПК C08F 4/64 C08F 4/634 B01J 21/06 B01J 21/10 (2006.01) (2006.01) (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2011110495/04, 23.02.2009 (24) Дата начала отсчета срока действия патента: 23.02.2009 (73) Патентообладатель(и): ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи (US) R U Приоритет(ы): (30) Конвенционный приоритет: 21.08.2008 US PCT/US2008/073882 23.02.2009 US 12/390,785 (72) Автор(ы): ЧЭНЬ Линьфэн (US) (43) Дата публикации заявки: 27.09.2012 Бюл. № 27 2 4 8 6 2 0 8 (45) Опубликовано: 27.06.2013 Бюл. № 18 2 4 8 6 2 0 8 R U (85) Дата начала рассмотрения заявки PCT на национальной фазе: 21.03.2011 C 2 C 2 (56) Список документов, цитированных в отчете о поиске: ЕР 0736552 А2, 09.10.1996. ...

具有混合的选择性控制剂的催化剂组合物和使用它的聚合反应方法

本发明的公开内容提供Ziegler-Natta催化剂组合物，它包括前催化剂，助催化剂，以及含第一选择性控制剂，第二选择性控制剂和活性限制剂的混合的外电子供体。掺入本发明催化剂组合物的聚合方法产生熔体流动速率大于约50g/10min的高刚度的基于丙烯的聚合物。在单一反应器内，使用标准氢浓度，在没有减粘裂化的情况下，发生聚合过程。

Catalyst component for olefin polymerization and a catalyst comprising the same

A catalyst component for olefin polymerization comprising an α-cyanosuccinate compound as an internal electron donor, a catalyst comprising the catalyst component, and use of the catalyst in olefin polymerization. When used in propylene polymerization, the catalyst can exhibit good catalytic activity and good hydrogen response, and the resulting polymer can have a good isotacticity and a good molecular weight distribution.