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    • 1. 发明授权
    • Acrylic-halogenated polyolefin copolymer adhesion promoters
    • 丙烯酸卤化聚烯烃共聚物粘合促进剂
    • US06965000B2
    • 2005-11-15
    • US10864978
    • 2004-06-10
    • Simion CocaBrian K. RearickJames B. O'Dwyer
    • Simion CocaBrian K. RearickJames B. O'Dwyer
    • C08F4/00C08F293/00
    • C08F4/00C08F293/005C08F2438/01
    • The present invention is directed to a method for producing a copolymer and a copolymer product of the method. The copolymer is prepared by a controlled radical polymerization process, typically an atom transfer radical polymerization process, in which polymerizable alkene monomers are polymerized in the presence of a halogenated polyolefin macroinitiator. The copolymer product of this process is useful in a film-forming composition that adheres strongly to polyolefinic substrates and to which non-polyolefinic film-forming compositions strongly adhere. The copolymer can be applied to a substrate in an adhesion-promoting layer or can be incorporated into a film-forming composition, such as a primer, that contains additional resinous compounds.
    • 本发明涉及一种制备该方法的共聚物和共聚物的方法。 共聚物通过受控自由基聚合方法制备,通常是原子转移自由基聚合方法,其中可聚合烯烃单体在卤代聚烯烃大分子引发剂存在下聚合。 该方法的共聚物产物可用于强烈粘附到聚烯烃基材上并且非聚烯烃成膜组合物强烈粘附的成膜组合物。 共聚物可以施加到粘合促进层中的基材上,或者可以加入到含有另外的树脂化合物的成膜组合物如引物中。
    • 5. 发明授权
    • Pigment dispersions containing dispersants prepared by controlled radical polymerization having hydrophilic and hydrophobic segments
    • 含有通过具有亲水和疏水链段的受控自由基聚合制备的分散剂的颜料分散体
    • US06642301B2
    • 2003-11-04
    • US10217621
    • 2002-08-13
    • Daniela WhiteSimion CocaJames B. O'Dwyer
    • Daniela WhiteSimion CocaJames B. O'Dwyer
    • C08J3100
    • C09D17/001C09B67/009
    • A pigment dispersion comprising pigment, an aqueous carrier selected from water and a mixture of water and at least one organic solvent, and a pigment dispersant is described. The pigment dispersant is prepared by controlled radical polymerization, e.g., atom transfer radical polymerization, and has polymer chain structure represented by the following general formula I, &phgr;-(G)p-(E)s-T  I In general formula I, G is a residue of at least one radically polymerizable ethylenically unsaturated monomer; E is a hydrophilic residue of at least one radically polymerizable ethylenically unsaturated monomer; G and E are different from one another; &phgr; is a hydrophobic residue of or derived from the initiator, and is free of said radically transferable group; T is or is derived from the radically transferable group of the initiator; p and s represent average numbers of residues occurring in a block of residues; p and s are each individually selected such that the pigment dispersant has a number average molecular weight of at least 250.
    • 描述了包含颜料,选自水和水与至少一种有机溶剂的混合物的水性载体和颜料分散剂的颜料分散体。 颜料分散剂是通过控制自由基聚合制备的,例如原子转移自由基聚合,并具有由以下通式I表示的聚合物链结构。通式I中,G是至少一个可自由基聚合的烯属不饱和单体的残基; E是至少一种可自由基聚合的烯属不饱和单体的亲水性残基; G和E是不同的; phi是引发剂的疏水性残基或衍生自引发剂,并且不含所述可自由基转移基团; T衍生自引发剂的可自由转移基团; p和s表示残基块中发生的残基的平均数; p和s各自独立选择,使得颜料分散剂的数均分子量至少为250。