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    • 2. 发明申请
    • ETHYLENE-BASED COPOLYMERS AND THEIR USE AS VISCOSITY IMPROVERS IN PETROLEUM DISTILLATES
    • BASIS乙烯的共聚物及它们在油作为流中间馏分
    • WO1995009877A1
    • 1995-04-13
    • PCT/EP1994003179
    • 1994-09-23
    • BASF AKTIENGESELLSCHAFTMÜLLER, Hans-JoachimWENDEROTH, BerndBERGER, AlbinLITTMANN, DieterKLIMESCH, RogerOPPENLÄNDER, KnutMARCZINKE, Bernd, LotharRÜHL, ThomasHEIDER, Marc
    • BASF AKTIENGESELLSCHAFT
    • C08F210/02
    • C10L1/2366C08F210/02C10L1/2368C08F218/04C08F220/34C08F226/06C08F220/00
    • Ethylene-based copolymers suitable as viscosity improvers for petroleum distillates of a) 50 to 94 wt. % ethylene; b) 3 to 30 wt. % one or more vinyl esters of C2-C6 monocarboxylic acids; c) 3 to 20 wt. % one or more aminoalkylene acrylates of general formula (I) in which R is hydrogen or methyl, the radicals R and R may be the same or different and stand for hydrogen or a C1-C6 alkyl radical and A is a straight-chained or branched C2-C10 alkylene radical; and d) 0 to 10 wt. % one or more monomers which can be copolymerised with monomers a) to c), in which such copolymers are excluded in which monomer b) is vinyl acetate and have a number average molecular weight of 5000 to 50000; or of a') 50 to 95.5 wt. % ethylene; b') 4 to 30 wt. % one or more vinyl esters of C2-C6 monocarboxylic acids; c') 0.5 to 20 wt. % one or more vinyl imidazoles of general formula (II) in which the radicals R , R and R may be the same or different and are hydrogen or a C1-C6 alkyl radical, or 0.5 to 20 wt. % one or more aminoalkyl vinyl ethers of general formula (III) in which the substituents are: R , R : C1-C6 alkyl; R , R , R : hydrogen or C1-C6 alkyl; A : C2-C6 alkylene; and d') 0 to 10 wt. % one or more monomers which can be copolymerised with monomers a') to c'). The invention also relates to the use of these copolymers as viscosity improvers for petroleum middle distillates and to pretroleum distillates containing them.
    • 作为基于的乙烯为矿物油中间馏分合适的共聚物流动改进剂)50至94重量%乙烯的,B)3至30重量的C2的一种或多种乙烯基酯%至C6单羧酸,C)3至20重量的% 或多个氨基的通式(I)的丙烯酸酯,<1>,其中R是氢或甲基,R <3>可以相同或不同的<2>和R,代表氢或C1-C6烷基基团和 一个<1>表示直链或支链的C2-C10亚烷基残基,和d)0至10重量其是共聚的,其中这样的共聚物中排除单体a)至c)一种或多种单体的%,在 其中b是单体)和乙酸乙烯酯具有的平均分子量(数均)为5,000至50,000,或A“)为50〜95.5重量乙烯,b的%”)的4至30重量%的一种的%或更多的乙烯基酯 从C2-C6单羧酸,C“)0.5至20重量的一般的一个或多个乙烯基咪唑的% n式(II),其中基团R <4>,R <5>和R <6>可以相同或不同,是氢或C1-C6烷基,或0.5至20重量 [R <7> - [R <8> NA <2> -O-CR <9> = CR <10> - [R <11>,其中取代基具有以下含义:R的通式(III)的一种或多种氨基烷基乙烯基醚% <7> - [R <8>,C1-C6烷基; [R <9>,R <10>,R <11>为氢或C1-C6烷基; A <2> C2-C6亚烷基,和d)0至10重量%的一种或多种单体的%可与单体a“共聚)至c”)共聚的,使用这些共聚物作为流动性改进剂为矿物油中间馏分和石油馏出物的 含有这些共聚物。
    • 3. 发明申请
    • METHOD FOR ETHYLENE POLYMERIZATION IN A TUBULAR REACTOR WITH REDUCED OUTPUT
    • 在具有减少输出的管状反应器中乙烯聚合的方法
    • WO2010081685A1
    • 2010-07-22
    • PCT/EP2010/000142
    • 2010-01-14
    • BASELL POLYOLEFINE GMBHLITTMANN, DieterFINETTE, Andre-ArmandMEINKE, Hans, Joachim
    • LITTMANN, DieterFINETTE, Andre-ArmandMEINKE, Hans, Joachim
    • C08F10/02
    • B01J19/2415B01J4/008C08F10/02C08F2/38C08F4/38C08F2/00
    • Process for the preparation of ethylene homopolymers or copolymers in the presence of free-radical polymerization initiators at from 100°C to 350°C and pressures in the range of from 160 MPa to 350 MPa in a tubular reactor with at least two spatially separated initiator injection points, wherein injecting initiator rises the temperature of the reaction mixture in the reaction zone following the injection point, and the first initiator injection point of the tubular reactor is not provided with initiator or is provided with so little initiator that the temperature of the reaction mixture does not rise more than 20°C in the first reaction zone and method for reducing the output of a high pressure tubular reactor for the homo- or copolymerization of ethylene in the presence of free-radical polymerization initiators with at least two initiator injection points, wherein feeding of free-radical polymerization initiator to the first initiator injection point is discontinued or reduced to a level that the temperature of the reaction mixture in the first reaction zone does not rise more than 20°C.
    • 在具有至少两个空间分离的引发剂的管式反应器中,在100℃至350℃的自由基聚合引发剂存在下制备乙烯均聚物或共聚物的方法,并且在160MPa至350MPa范围内的压力 注射点,其中注射引发剂在注射点之后升高反应区域中的反应混合物的温度,并且管式反应器的第一引发剂注入点不具有引发剂,或者设置有少量引发剂,使得反应温度 混合物在第一反应区域中不会升高超过20℃,并且在自由基聚合引发剂与至少两个引发剂注入点存在下,降低高压管式反应器的输出以均衡或共聚乙烯的方法 其中将自由基聚合引发剂进料至第一引发剂注入点停止或还原成a 使得第一反应区中的反应混合物的温度不升高超过20℃。