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    • 28. 发明授权
    • Copolymer synthesis process
    • 共聚物合成工艺
    • US07973110B2
    • 2011-07-05
    • US12477565
    • 2009-06-03
    • Klaus K. LorenzAlexander KrausBarbara WimmerPetra WagnerChristian ScholzManfred Bichler
    • Klaus K. LorenzAlexander KrausBarbara WimmerPetra WagnerChristian ScholzManfred Bichler
    • C08F2/10C08F2/16C08F216/14
    • C04B28/02C04B24/2647C04B24/2694C04B2103/308C08F216/1416C08F220/26Y10S526/915C04B2103/302
    • Preparing a non-ionic copolymer having a hydrolysable monomer residue and a polyether macromonomer residue in a semicontinuous mode in a polymerization reactor associated with a metering device, including introducing polyether macromonomer and water into the reactor, wherein hydrolysable monomer which is added thereto forms a polymerization reaction mixture; introducing hydrolysable monomer into the metering device; adding hydrolysable monomer into the reactor from the metering device; passing a free radical polymerization initiator into the reactor before and/or during the addition of the hydrolysable monomer, the hydrolysable monomer and the polyether macromonomer reacting by free radical polymerization to form the non-ionic copolymer; and, subjecting the reaction mixture to polymerization while an addition rate of the hydrolysable monomer and/or at least a component of the polymerization initiator is varied stepwise or continuously. No monomer is introduced to incorporate ionic cement binding sites into the non-ionic copolymer.
    • 在与计量装置相关联的聚合反应器中制备具有可水解单体残基和聚醚大分子单体残基的非离子共聚物,其包括将聚醚大分子单体和水引入反应器,其中加入的可水解单体形成聚合 反应混合物; 将可水解单体引入计量装置; 从计量装置将可水解单体加入到反应器中; 在可水解单体加入之前和/或期间将自由基聚合引发剂通入自由基聚合引发剂,可水解单体和聚醚大分子单体通过自由基聚合反应形成非离子共聚物; 并且使反应混合物进行聚合,同时可水解单体和/或至少一种聚合引发剂组分的添加速率逐步或连续地改变。 没有引入单体以将离子水泥结合位点引入非离子共聚物。
    • 30. 发明授权
    • Water-soluble anionic polymer dispersion and method for producing the same
    • 水溶性阴离子聚合物分散体及其制造方法
    • US07834079B2
    • 2010-11-16
    • US11638541
    • 2006-12-14
    • Sung Wook HanSeung Chul Lee
    • Sung Wook HanSeung Chul Lee
    • C08F2/16C08L33/02C08L33/26
    • C08F2/20C08F2/16
    • Disclose is a water soluble anionic polymer dispersion containing a radical copolymer created in water salt which includes anionic monomer, non-ionic monomer, ionic dispersant and radical polymerization initiator, and anionic surfactant or non-ionic surfactant. Also disclosed is a water soluble anionic polymer dispersion is characterized by containment of radical copolymer created in salt water which includes anionic monomer, non-ionic monomer, ionic dispersant, and radical polymerization initiator, and anionic surfactant, and non-ionic surfactant. Manufacturing methods for the water soluble anionic polymer dispersions are further disclosed herein.
    • Disclose是一种水溶性阴离子聚合物分散体,其含有在水盐中产生的自由基共聚物,其包括阴离子单体,非离子单体,离子分散剂和自由基聚合引发剂,以及阴离子表面活性剂或非离子表面活性剂。 还公开了一种水溶性阴离子聚合物分散体,其特征在于包含在盐水中产生的自由基共聚物,其包括阴离子单体,非离子单体,离子分散剂和自由基聚合引发剂,阴离子表面活性剂和非离子表面活性剂。 水溶性阴离子聚合物分散体的制造方法在本文中进一步公开。