专利号:US-6479685-B2 优先权日:1998-01-09 标题 :Metallocene catalysts for synthesis of high-melting polyolefin copolymer elastomers 发明人:WAYMOUTH ROBERT M; KRAVCHENKO RAISA L; MACIEJEWSKI PETOFF JENNIFER; HUNG JOYCE 权利人:TRUSTEES OF THE LELAND STANDAR 摘要:Metallocene catalysts having plural coordination geometries for synthesis of high melting polyolefin copolymers suitable as thermoplastic elastomers. The inventive catalysts comprise unbridged, substituted or unsubstituted cyclopentadienyl metallocene catalysts that are capable of inter-converting between states with different polymerization or copolymerization characteristics, which interconversion is controlled by selecting the substituents of the cyclopentadienyl ligands so that the rate of interconversion of the two states is within several orders of magnitude of the rate of formation of a single polymer chain. Where r i >r f the polymer can be characterized as multiblock; where r i 专利号:WO-2024170663-A1 优先权日:2023-02-15 标 题:Organic reinforcement of an elastomer with the in situ synthesis of a polyimide phase by reactive extrusion 发明人:CASSAGNAU PHILIPPE; DELAGE KARIM; BOUNOR-LEGARE VÉRONIQUE; MARESTIN CATHERINE; DUBOIS CHARLOTTE; GAROIS NICOLAS 权利人:TOTALENERGIES ONETECH; UNIV CLAUDE BERNARD LYON 1 UCBL; CENTRE NAT RECH SCIENT; UNIV JEAN MONNET SAINT ETIENNE; INSTITUT NAT DES SCIENCES APPLIQUEES DE LYON INSA LYON 摘要:The present disclosure relates to a process to produce a reinforced elastomeric material and to the reinforced elastomeric material. The process comprises the steps of providing components comprising a grafted elastomer, one or more dianhydrides, and one or more diamines; wherein the grafted elastomer is provided at a content of at least 60 wt.% based on the total weight of the components; performing in situ synthesis of a polyimide phase in the grafted elastomer by reactive extrusion of the components in a twin-screw extruder comprising main hopper wherein the screw profile comprises two or more reverse conveying elements forming two or more hot zones to form an elastomer-polyimide blend; and recovering said elastomer-polyimide blend being a reinforced elastomeric material.
专利号:US-6479599-B1 优先权日:1997-04-04 标题:Catalyst system for high yield synthesis of polyolefins 发明人:PEIL KEVIN P; WILSON DAVID R 权利人:BP CHEM INT LTD 摘要:This invention relates to a supported metallocene catalyst system for the high yield synthesis of polyolefins, to methods of preparation of the catalyst system, to polymerization processes which use the catalyst system and to polyolefin polymers produced by the polymerization processes.
专利号:US-10611864-B2 优先权日:2015-09-22 标 题:Synthesis of substituted amidobenzoate compounds, the compounds obtained and the use thereof as phthalate free internal electron donor for polymerization of olefins 发明人:ZUIDEVELD MARTIN ALEXANDER; SAINANI JAIPRAKASH BRIJLAL; AL-HUMAIDAN OSAMAH; PADMANABHAN SUDHAKAR R; SHINGE PRASHANT SUKUMAR; SHETTY SHARANKUMAR G; SHAIKH ABBAS-ALLI GHUDUBHAI 权利人:SABIC GLOBAL TECHNOLOGIES BV 摘要:The present invention relates to a compound according to Formula (I) wherein R 1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups, and one or more combinations thereof; wherein R 2 is a hydrogen atom, an aryl group or an alkyl group; and wherein R 3 , R 4 , R 5 and R 6 , are the same or different and are each independently a hydrogen atom, a halogen atom, a cyano group, an amino group, a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and alkylaryl groups or an alkoxy group, and one or more combinations thereof as internal electron donor and to a process for the synthesis of a compound according to Formula (I), wherein R 1 is a hydrocarbyl group selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl and alkylaryl groups, and one or more combinations thereof; wherein R 2 is a hydrogen atom or an alkyl group; wherein R 3 , R 4 , R 5 and R 6 , are the same or different and are each independently selected from a group consisting of a hydrogen atom; a hydrocarbyl, preferably, said process comprising the step of reacting a compound according to Formula (II) [R 1 —C(â•?O)Cl] with a compound according to Formula (III) to obtain the compound according to Formula (I) and to the use of these compounds as internal donor in Ziegler-Natta catalysis of lefins.
专利号:US-9593183-B2 优先权日:2012-11-23 标 题 :Preparation method of catalyst for polymerization of polyolefin and process for polymerization of polyolefin using the same 发明人:CHAE BYUNG HUN; LIM SEONG SOO; JOO CHEON IK; LEE JUNG YEOP; JIN SOOK YOUNG 权利人:LOTTE CHEMICAL CORP 摘要:This disclosure relates to a method for preparing a catalyst for synthesis of a polyolefin and a process for synthesis of a polyolefin using the same. More particularly, this disclosure relates to a method for preparing a catalyst for synthesis of a polyolefin including: reacting a magnesium compound with an alkane diol having a carbon number of 3 to 15 unsubstituted or substituted with an alkyl group having a carbon number of 1 to 5, and a benzoyl halide compound to prepare a magnesium compound solution; reacting the magnesium compound solution with a first transition metal compound to prepare a support; and reacting the support with a second transition metal compound to produce a solid catalyst, and a process for synthesis of a polyolefin using the same.
专利号:US-11794179-B2 优先权日:2016-08-24 标 题 :Synthesis and characterization of metathesis catalysts 发明人:JOHNS ADAM M 权利人:UMICORE AG & CO KG 摘要:This invention relates generally to olefin metathesis catalysts, to the preparation of such compounds, compositions comprising such compounds, methods of using such compounds, and the use of such compounds in the metathesis of olefins and in the synthesis of related olefin metathesis catalysts. The invention has utility in the fields of catalysis, organic synthesis, polymer chemistry, and in industrial applications such as oil and gas, fine chemicals and pharmaceuticals.
[参考文献]: B Ballantyne, Et Al. Comparative Acute Toxicity And Primary Irritancy Of The Ethylidene And Vinyl Isomers Of Norbornene. J Appl Toxicol. 1997 Jul-Aug;17(4):211-21. [参考文献]: B Ballantyne, Et Al. Short-Term And Subchronic Repeated Exposure Studies With 5-Ethylidene-2-Norbornene Vapor In The Rat. J Appl Toxicol. 1997 Jul-Aug;17(4):197-210. [参考文献]: Carolyn Lee, Et Al. Environmental Assessment Of 5-Ethylidene-2-Norbornene Using Modeled And Measured Fate And Effects Results. Chemosphere. 2004 Jul;56(3):285-97. [参考文献]: Fabio Camerini, Et Al. Determination Of 5-Ethylidene-2-Norbornene In Industrial Emission. Environ Sci Pollut Res Int. 2013 Jul;20(7):4881-5.
合成参考文献
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