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    • 2. 发明申请
    • Semi-Continuous Method For Producing Copolymers
    • 用于生产共聚物的半连续方法
    • US20120035300A1
    • 2012-02-09
    • US13133026
    • 2009-11-25
    • Reinhard DorfnerKlaus LorenzPetra WagnerChristian Scholz
    • Reinhard DorfnerKlaus LorenzPetra WagnerChristian Scholz
    • C04B16/04C08F216/14C08F2/10
    • C08F290/00C08F265/00C08F267/00C08F283/06C08F290/062C08F290/142C08L51/003C08L2666/02
    • The present invention relates to a process for the preparation of a copolymer in semicontinuous operation in a polymerization apparatus, comprising a polymerization reactor connected to a metering device, in each case acid monomer being initially taken in the metering device and polyether macromonomer and water in the polymerization reactor, acid monomer being metered from the metering device via an acid monomer metering line into the polymerization reactor, free radical polymerization initiator being passed into the polymerization reactor before and/or during the metering of the acid monomer into the polymerization reactor so that an aqueous medium in which acid monomer and polyether macromonomer are reacted with formation of the copolymer by free radical polymerization forms in the polymerization reactor, a portion of the copolymer-containing aqueous medium being passed continuously during the free radical polymerization from the polymerization reactor via a reaction mixture line which is connected via a mixing device to the acid monomer metering line, the discharged copolymer-containing aqueous medium being mixed with the acid monomer in the mixing device during the metering of the acid monomer and being recycled to the polymerization reactor after the mixing via the acid monomer metering line.
    • 本发明涉及一种在聚合设备中半连续操作中制备共聚物的方法,包括连接到计量装置的聚合反应器,在各种情况下,酸性单体最初被摄入计量装置中,聚醚大分子单体和水在 聚合反应器,酸性单体通过酸单体计量管线从计量装置计量到聚合反应器中,自由基聚合引发剂在酸单体计量之前和/或期间进入聚合反应器中,使得自由基聚合引发剂 其中酸性单体和聚醚大分子单体与在聚合反应器中通过自由基聚合形式形成共聚物的水性介质反应,一部分含共聚物的水性介质在自由基聚合过程中通过反应从聚合反应器中连续通过 混合线 ch通过混合装置连接到酸性单体计量管线,在计量酸性单体期间,将排出的含共聚物的水性介质与酸性单体混合在混合装置中,并在经过混合之后再循环到聚合反应器中 酸性单体计量线。
    • 5. 发明授权
    • Semi continuous operational method for producing copolymers
    • 用于生产共聚物的半连续操作方法
    • US08541518B2
    • 2013-09-24
    • US12920143
    • 2009-02-10
    • Gerhard AlbrechtKlaus LorenzChristian ScholzPetra Wagner
    • Gerhard AlbrechtKlaus LorenzChristian ScholzPetra Wagner
    • C08F2/04C08F224/00C08F2/10C04B28/28
    • C08F220/04C08F220/26
    • A process for the preparation of a copolymer in a semicontinuous mode of operation in a polymerization apparatus containing a polymerization reactor connected to a metering device, in each case acid monomer being initially introduced into the metering device and polyether macromonomer and water into the polymerization reactor, acid monomer being metered from the metering device into the polymerization reactor, the metering of the acid monomer into the polymerization reactor being effected in such a way that first a polymerization pH is established in the aqueous medium and then, until the conversion of 70 mol % of the polyether macromonomer initially introduced into the polymerization reactor, acid monomer is passed into the polymerization reactor in an amount per unit time such that the pH in the aqueous medium deviates by not more than ±0.3 from the initially established polymerization pH.
    • 在含有连接到计量装置的聚合反应器的聚合装置中制备半连续操作模式的共聚物的方法,每种情况下,酸性单体最初引入计量装置和聚醚大分子单体和水进入聚合反应器, 酸性单体从计量装置计量到聚合反应器中,酸性单体计量到聚合反应器中的方式是首先在水性介质中建立聚合pH,然后直到70mol% 的最初引入聚合反应器的聚醚大分子单体,酸单体以每单位时间的量进入聚合反应器,使得水介质中的pH从最初建立的聚合pH偏离不大于±0.3。
    • 8. 发明授权
    • Dispersing agent containing copolymer mixture
    • 分散剂含共聚物混合物
    • US08907016B2
    • 2014-12-09
    • US13133022
    • 2009-11-25
    • Mario VierleKlaus LorenzGerhard AlbrechtChristian ScholzPetra WagnerBarbara Wimmer
    • Mario VierleKlaus LorenzGerhard AlbrechtChristian ScholzPetra WagnerBarbara Wimmer
    • C04B24/26C08L29/10C08L33/02C08L35/08C04B103/40
    • C04B24/2694C04B24/2647C04B2103/408C08L29/10C08L33/02C08L35/08C08L2205/02C08L2666/04
    • The invention relates to a polymer composition containing 5 to 95% by weight of a copolymer H and 2 to 60% by weight of a copolymer K, the copolymers H and K each having polyether macromonomer structural units and acid monomer structural units, which are present in the copolymers H and K in each case in a molar ratio of 1:20 to 1:1, and at least 20 mol % of all structural units of the copolymer H and at least 25 mol % of all structural units of the copolymer K being present in each case in the form of acid monomer structural units, the polyether macromonomer structural units of the copolymer H having side chains containing in each case at least 5 ether oxygen atoms, the number of ether oxygen atoms per side chain of the polyether macromonomer structural units of the copolymer H varying in such a way that the corresponding frequency distribution diagram, in which the number of ether oxygen atoms per side chain of a polyether macromonomer structural unit is plotted along the abscissa and the associated frequency for the copolymer H is plotted along the ordinate, contains at least 2 maxima.
    • 本发明涉及一种聚合物组合物,其含有5〜95重量%的共聚物H和2〜60重量%的共聚物K,共聚物H和K各自具有聚醚大分子单体结构单元和酸单体结构单元,其存在 在共聚物H和K中的摩尔比为1:20至1:1的共聚物中,和共聚物H的所有结构单元的至少20摩尔%和共聚物K的所有结构单元的至少25摩尔% 在各种情况下以酸性单体结构单元的形式存在,共聚物H的聚醚大分子单体结构单元具有侧链含有至少5个醚氧原子,每个侧链上的醚氧原子的数量为聚醚大分子单体 共聚物H的结构单元以这样的方式变化,其中相应的频率分布图,其中聚醚大分子单体结构单元的每个侧链的醚氧原子的数量沿着横坐标绘制, 共聚物H的相关频率沿纵坐标绘制,含有至少2个最大值。
    • 9. 发明授权
    • Dispersant comprising copolymer mixture
    • 分散剂包括共聚物混合物
    • US08772377B2
    • 2014-07-08
    • US13133043
    • 2009-11-25
    • Klaus LorenzMario VierleGerhard AlbrechtBarbara WimmerPetra WagnerChristian Scholz
    • Klaus LorenzMario VierleGerhard AlbrechtBarbara WimmerPetra WagnerChristian Scholz
    • C04B28/02C08J3/02C08L39/04C08L33/14C04B24/26C08L33/26C08L43/02C04B40/00C04B28/00C08J3/00C08L39/00C08L33/00C04B103/40C04B103/32
    • C04B24/2647C04B24/2658C04B24/267C04B40/0039C04B2103/32C04B2103/408C08G65/2609C08L29/10C08L33/02C08L33/066C08L33/14C08L33/26C08L35/08C08L43/02C08L71/02C08L2205/02C08L2666/04C08L2666/22
    • The invention relates to a polymer composition containing 3 to 95% by weight of a copolymer H and 3 to 95% by weight of a copolymer K, the copolymers H and K each having polyether macromonomer structural units and acid monomer structural units, which are present in the copolymers H and K in each case in a molar ratio of 1:20 to 1:1, and at least 20 mol % of all structural units of the copolymer H and at least 25 mol % of all structural units of the copolymer K being present in each case in the form of acid monomer structural units, the polyether macromonomer structural units of the copolymers H and K having side chains containing in each case at least 5 ether oxygen atoms, the number of ether oxygen atoms per side chain of the polyether macromonomer structural units of the copolymers H and K varying in each case in such a way that the corresponding frequency distribution diagrams, in which the number of ether oxygen atoms per side chain of a polyether macromonomer structural unit is plotted in each case along the abscissae and the respectively associated frequencies for the copolymers H or K are plotted in each case along the ordinates, contain in each case at least 2 maxima whose abscissa values differ in each case by more than 7 ether oxygen atoms from one another, the frequency distribution diagrams of the copolymers H and K differing from one another in that the abscissa value of at least one maximum of the copolymer H differs in each case by more than 5 ether oxygen atoms from the abscissa values of all maxima of the copolymer K and/or that the arithmetic means of the ether oxygen atoms of the polyether macromonomer structural units of the copolymers H and K differ from one another by more than 5 ether oxygen atoms.
    • 本发明涉及含有3〜95重量%共聚物H和3〜95重量%共聚物K的聚合物组合物,共聚物H和K各自具有聚醚大分子单体结构单元和酸单体结构单元,其存在 在共聚物H和K中的摩尔比为1:20至1:1的共聚物中,和共聚物H的所有结构单元的至少20摩尔%和共聚物K的所有结构单元的至少25摩尔% 在各种情况下以酸单体结构单元的形式存在,共聚物H和K的聚醚大分子单体结构单元具有侧链,每种情况下含有至少5个醚氧原子,每个侧链的醚氧原子数 共聚物H和K的聚醚大分子单体结构单元在每种情况下变化,使得相应的频率分布图,其中聚醚大分子单体结构单元每侧链的醚氧原子数为pl 在每个情况下沿着横坐标分别表示,并且在每种情况下沿着纵坐标绘制共聚物H或K的分别相关联的频率,每种情况下包含至少2个最大值,其横坐标值在每种情况下不同于7个以上的醚氧原子 另一方面,共聚物H和K的频率分布图彼此不同,因为共聚物H的至少一个最大值的横坐标值在每种情况下都不同于5个以上的醚氧原子,从所有最大值的横坐标值 共聚物K和/或共聚物H和K的聚醚大分子单体结构单元的醚氧原子的算术手段彼此间隔超过5个醚氧原子。