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    • 10. 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。