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    • 60. 发明申请
    • ACRYLIC ACID-BASED POLYMER AND METHOD OF PRODUCING THE SAME
    • 基于丙烯酸的聚合物及其生产方法
    • US20110046333A1
    • 2011-02-24
    • US12914813
    • 2010-10-28
    • Hideo KuboHitoshi MatsumotoTakeshi ShimotoriTooru Kawabe
    • Hideo KuboHitoshi MatsumotoTakeshi ShimotoriTooru Kawabe
    • C08F20/10C08F224/00
    • C08F220/28C08F293/005C08F297/02C08F297/026
    • Disclosed are an acrylic acid-based polymer which is a star polymer containing a repeating unit derived from an (α-lower alkyl)acrylic ester represented by formula (I): (wherein R1 represents a hydrogen atom or a lower alkyl group, and R2 represents an organic group having a polar group) in an arm portion; an acrylic acid-based polymer containing a repeating unit derived from an poly(α-lower alkyl)acrylic ester and a repeating unit derived from an (α-lower alkyl)acrylic ester represented by formula (I), and a method for producing a polymer through living polymerization, comprising forming an oligomer having a polymerization active end, which is an oligomer higher than an average 1.0-mer and lower than an average 4.0-mer or an average 4.0-mer, and polymerizing using the oligomer having a polymerization active end as an initiating species.
    • 公开了一种丙烯酸类聚合物,其是含有源自由式(I)表示的(α-低级烷基)丙烯酸酯的重复单元的星形聚合物:其中R1表示氢原子或低级烷基,R2表示 表示具有极性基团的有机基团) 含有衍生自聚(α-低级烷基)丙烯酸酯的重复单元的丙烯酸类聚合物和由式(I)表示的(α-低级烷基)丙烯酸酯衍生的重复单元,以及制备 聚合物通过活性聚合反应,包括形成具有聚合活性末端的低聚物,其是高于平均1.0聚体且低于平均4.0聚体或平均4.0聚物的低聚物,并且使用具有聚合活性的低聚物 结束作为起始物种。