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    • 5. 发明申请
    • Preparation of supported catalysts for polymerization
    • 负载聚合催化剂的制备
    • US20070179051A1
    • 2007-08-02
    • US10588391
    • 2005-02-02
    • Shahram MihanJoachim Wulff-DoringAlexander KopplWolfgang Rohde
    • Shahram MihanJoachim Wulff-DoringAlexander KopplWolfgang Rohde
    • C08F2/00B01J23/00
    • C08F210/16C08F4/65912C08F4/65925C08F10/00C08F4/025C08F4/24C08F4/65916C08F210/14C08F2500/12C08F2500/17C08F2500/18C08F2500/24C08F4/22C08F4/78
    • The invention relates to a process for preparing a supported catalyst, in particular for the polymerization and/or copolymerization of olefins, which comprises: a) preparing a hydrogel; b) milling the hydrogel to give a finely particulate hydrogel; c) producing a slurry based on the finely particulate hydrogel; d) drying the slurry comprising the finely particulate hydrogel to give the support for catalysts; e) producing the supported catalyst by applying at least one transition metal and/or at least one transition metal compound to the support for catalysts and, if appropriate, activating the applied metal and/or compound, wherein a finely particulate hydrogel in which at least 5% by volume of the particles, based on the total volume of the particles, have a particle size in the range from >0 μm to ≦3 μm; and/or at least 40% by volume of the particles, based on the total volume of the particles, have a particle size in the range from >0 μm to ≦12 μm, and/or at least 75% by volume of the particles, based on the total volume of the particles, have a particle size in the range from >0 μm to ≦35 μm, is produced in step b) and a support which can be prepared as set forth in steps a) to d) is used to produce catalysts in step e).
    • 本发明涉及一种制备负载型催化剂的方法,特别是用于烯烃的聚合和/或共聚合,其包括:a)制备水凝胶; b)研磨水凝胶以得到细颗粒水凝胶; c)基于细颗粒水凝胶生产浆料; d)干燥包含细颗粒状水凝胶的浆料,得到催化剂载体; e)通过将至少一种过渡金属和/或至少一种过渡金属化合物施加到催化剂的载体上,并且如果合适地活化所施加的金属和/或化合物,制备负载型催化剂,其中至少 基于颗粒的总体积,5体积%的颗粒具有在>0μm至<3μm的范围内的粒度; 和/或至少40体积%的颗粒,基于颗粒的总体积,其粒度范围为>0μm至≤12μm,和/或至少75体积% 基于颗粒的总体积的颗粒具有在>0μm至<=35μm的范围内的粒度,在步骤b)中制备,并且可以如步骤a)至d所述制备的载体 )用于在步骤e)中制备催化剂。
    • 6. 发明申请
    • Catalyst systems of the ziegler-natta type and a method for production thereof
    • 齐格勒 - 纳塔型催化剂体系及其生产方法
    • US20050075241A1
    • 2005-04-07
    • US10399232
    • 2001-10-18
    • Klaus FottingerGuido FunkPeter KolleJoachim Wulff-Doring
    • Klaus FottingerGuido FunkPeter KolleJoachim Wulff-Doring
    • C08F4/646C08F4/658C08F10/00B01J31/00
    • C08F10/00C08F4/6555
    • A method for production of catalytic systems of the Ziegler-Natta type is characterised in comprising the following steps: A) bringing an inorganic metal oxide and a magnesium compound of formula MgRnX2-n into contact, where X=independently, fluorine, chlorine, bromine, iodine, hydrogen, NR2, OR, SR, SO3R or OC(O)R and R=independently, C1-C20 linear, branched, or cyclic alkyl, a C2-C10 alkenyl, an alkylaryl with 1-10 C atoms in the alkyl group and 6-20 C atoms in the aryl group, or a C6-C18 aryl and n=1 or 2, then, B) bringing the intermediate product obtained in step A) into contact with a halogenating reagent, C) bringing the intermediate product obtained in step B) into contact with a) a tetravalent titanium compound, b) a metallo-organic compound of group 3 of the periodic system and c) optionally, an electron-donor compound and D) washing the product obtained in step C) with an aprotic solvent. The invention further relates to a catalytic system obtained as above and a method for the polymerisation of olefins.
    • 一种齐格勒 - 纳塔型催化体系的制备方法,其特征在于包括以下步骤:A)使式MgRnX2-n的无机金属氧化物和镁化合物接触,其中X独立地为氟,氯,溴 ,碘,氢,NR 2,OR,SR,SO 3 R或OC(O)R和R独立地为C 1 -C 20直链,支链或环状烷基,C 2 -C 10烯基,具有1-10个C原子的烷基芳基 烷基和芳基中的6-20个C原子,或C 6 -C 18芳基,n = 1或2,然后B)将步骤A)中得到的中间产物与卤化试剂接触,C) 步骤B)中获得的中间产物与a)四价钛化合物接触,b)周期性体系的第3族金属有机化合物,和c)任选的电子给体化合物,和D)洗涤步骤 C)与非质子溶剂。 本发明还涉及如上所述获得的催化体系和烯烃聚合方法。
    • 10. 发明申请
    • PROCESS FOR PREPARING TERTIARY ALKYL ESTERS OF (METH) ACRYLIC ACID HAVING AT LEAST 4 CARBON ATOMS IN THE ALKYL RADICAL
    • 用于制备具有至少四个碳原子的(甲基)丙烯酸的仲胺酸酯在碱性辐射中的方法
    • US20090023947A1
    • 2009-01-22
    • US12168342
    • 2008-07-07
    • Gunter LipowskyJoachim Wulff-DoringPeter ZurowskiJurgen Strasser
    • Gunter LipowskyJoachim Wulff-DoringPeter ZurowskiJurgen Strasser
    • C07C69/54
    • C07C67/54C07C67/04C07C67/62C07C69/54
    • A process for preparing tertiary alkyl esters of (meth)acrylic acid having at least 4 carbon atoms in the alkyl radical, comprising the steps of: (1) reacting (meth)acrylic acid with at least one olefin of the general formula I: in which R1 and R2 are an alkyl radical, and R3 is a hydrogen atom, an alkyl radical, a cycloalkyl radical, an aryl radical, an alkylcycloalkyl radical, an alkylaryl radical, a cycloalkylaryl radical, or an alkylcycloalkylaryl radical; in homogeneous phase in the presence of an acidic catalyst in a reactor, (2) discharging the resulting reaction mixture (1) from the reactor, (3) separating the discharged reaction mixture (2) into a mixture (3.1) which comprises the catalyst and a mixture (3.2) which comprises the tertiary alkyl ester of (meth)acrylic acid having at least 4 carbon atoms in the alkyl radical, and (4) removing the tertiary alkyl ester of (meth)acrylic acid having at least 4 carbon atoms in the alkyl radical from the mixture (3.2), wherein, (5) in process step (4), at least one compound S which comprises at least one N-oxyl group is added as a stabilizer.
    • 一种制备烷基中具有至少4个碳原子的(甲基)丙烯酸叔烷基酯的方法,包括以下步骤:(1)使(甲基)丙烯酸与至少一种通式Ⅰ的烯烃反应: 其中R1和R2是烷基,R3是氢原子,烷基,环烷基,芳基,烷基环烷基,烷基芳基,环烷基芳基或烷基环烷基芳基; 在反应器中存在酸性催化剂的同时,(2)将反应混合物(1)从反应器中排出,(3)将排出的反应混合物(2)分离成包含催化剂的混合物(3.1) 和包含烷基中具有至少4个碳原子的(甲基)丙烯酸叔烷基酯的混合物(3.2),和(4)除去具有至少4个碳原子的(甲基)丙烯酸的叔烷基酯 在来自混合物(3.2)的烷基中,其中(5)在方法步骤(4)中,加入至少一种包含至少一个N-氧基的化合物S作为稳定剂。