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31. 发明授权

US4506027A Method of preparing a supported Ziegler-catalyst for the polymerization of alpha-olefins 失效
标题翻译：制备用于α-烯烃聚合的负载齐格勒催化剂的方法
公开(公告)号：US4506027A
公开(公告)日：1985-03-19
申请号：US550422
申请日：1983-11-10
申请人： Renzo Invernizzi , Ferdinando Ligorati
发明人： Renzo Invernizzi , Ferdinando Ligorati
IPC分类号： C08F4/00 , C08F4/02 , C08F4/60 , C08F4/62 , C08F4/64 , C08F10/00 , C08F10/02
CPC分类号： C08F10/00 , Y10S526/904
摘要： Method of preparing a supported Ziegler-catalyst active in the polymerization of alpha-olefins to polymers particularly suited to working by blow-moulding, by reacting:(A) an organometallic compound of aluminium, and(B) the product of the reaction of titanium and vanadium halides with a solid support obtained by the spray drying of magnesium chloride in a mixed solution of ethanol and methanol, the support containing both ethanolic and methanolic alcoholic hydroxyl groups.
摘要翻译：通过使（A）铝的有机金属化合物和（B）钛的反应产物反应，制备在α-烯烃聚合中活性的负载的齐格勒 - 催化剂的方法，特别适用于通过吹塑加工和通过在乙醇和甲醇的混合溶液中喷雾干燥氯化镁获得的固体支持物的钒卤化物，该载体含有乙醇和甲醇的醇羟基。

32. 发明授权

US4481342A Method of preparing low-density ethylene copolymers 失效
标题翻译：制备低密度乙烯共聚物的方法
公开(公告)号：US4481342A
公开(公告)日：1984-11-06
申请号：US498370
申请日：1983-05-26
申请人： Renzo Invernizzi , Ferdinando Ligorati
发明人： Renzo Invernizzi , Ferdinando Ligorati
IPC分类号： C08F4/00 , C08F2/14 , C08F2/18 , C08F4/60 , C08F4/654 , C08F210/00 , C08F210/16 , C08F4/02 , C08F210/02
CPC分类号： C08F210/16
摘要： Method for the copolymerization of ethylene with C.sub.4 -C.sub.8 alpha-olefins by means of a suspension method in an organic liquid, at a temperature of from 50.degree. C. to 70.degree. C., at a pressure of less than about 10 bar, on a Ziegler catalyst constituted by:(a) an alkylaluminum or alkylaluminum halide;(b) the product of the reaction of a halogenated derivative of titanium with a support material; the support material being the solid, spheroidal product of the spray drying of a solution of magnesium chloride in ethanol containing at least one additional compound chosen from the following classes:aliphatic, cycloaliphatic or aromatic liquid hydrocarbons with a boiling point higher than that of ethanol at atmospheric pressure;polar, organic hydroxy or ester compounds which are solid or liquid with a boiling point higher than that of ethanol at atmospheric pressure; the solid, spheroidal, spray-dried product also having the following characteristics:particle form: spherical with a size of from 1 to 100 microns.Apparent density of the particles: from 0.1 to 1 g/ml;alcoholic hydroxyl group content: from 1.5 to 20% by weight;surface area: from 10 to 100 m.sup.2 /g;porosity from 1.2 to 3.5 ml/g;pore radius: from 1,000 to 65,000 Angstroms.
摘要翻译：乙烯与C 4 -C 8α-烯烃通过悬浮法在有机液体中，在50℃至70℃的温度，小于约10巴的压力下共聚合的方法，齐格勒催化剂由以下组成：（a）烷基铝或卤化烷基铝; （b）钛的卤化衍生物与载体材料的反应产物; 载体材料是将氯化镁在乙醇中的溶液喷雾干燥的固体，球形产物，其含有至少一种选自以下类别的另外的化合物：沸点高于乙醇的脂族，脂环族或芳族液体烃气压; 在大气压下沸点高于乙醇的固体或液体的极性有机羟基或酯化合物; 固体，球状，喷雾干燥的产品也具有以下特征：颗粒形式：具有1至100微米尺寸的球形。颗粒的表观密度：0.1至1g / ml; 醇羟基含量：1.5〜20重量％; 表面积：10〜100m2 / g; 孔隙率为1.2〜3.5ml / g; 孔半径：从1000到65000埃。

33. 发明授权

US4148755A Ziegler catalysts 失效
标题翻译：齐格勒催化剂
公开(公告)号：US4148755A
公开(公告)日：1979-04-10
申请号：US840188
申请日：1977-10-06
申请人： Ferdinando Ligorati , Renzo Invernizzi , Carlo Collu , Maurizio Fontanesi
发明人： Ferdinando Ligorati , Renzo Invernizzi , Carlo Collu , Maurizio Fontanesi
IPC分类号： C08F4/62 , C08F10/00 , C08F4/02 , C08F4/64
CPC分类号： C08F10/00
摘要： Ziegler catalytic system comprising an organo-metallic compound of a metal of Groups I to III of the Periodic System and a compound of a heavy metal of Groups IV to VI supported on an alumina carrier, the latter being an activated amorphous alumina containing from 0.3 to 30% by weight of salts of aluminum with oxygenated inorganic anions, or of a mixture of the latter with salts of aluminum with non-oxygenated inorganic anions, said carrier being prepared by precipitating an alumina gel at a pH value of 7-10, introducing the inorganic anions into said gel, drying said gel and calcining the resulting amorphous alumina at 250.degree.-700.degree. C.
摘要翻译：齐格勒催化体系，其包含周期性体系中第I至III族金属的有机金属化合物和负载在氧化铝载体上的第Ⅳ至Ⅵ族重金属的化合物，后者为活性无定形氧化铝，其含有0.3至 30重量％的铝与含氧无机阴离子的盐或后者与非盐氧化无机阴离子的盐的混合物，所述载体通过沉淀pH值为7-10的氧化铝凝胶制备，引入将无机阴离子进入所述凝胶，干燥所述凝胶并煅烧所得到的无定形氧化铝在250-700℃。

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