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    • 5. 发明授权
    • Microgels and process for their preparation
    • 微凝胶及其制备方法
    • US06822056B2
    • 2004-11-23
    • US09969704
    • 2001-10-03
    • Charles T. BergeMichael FrydJeffrey W. JohnsonGraeme MoadEzio RizzardoChristopher ScopazziSan Hoa Thang
    • Charles T. BergeMichael FrydJeffrey W. JohnsonGraeme MoadEzio RizzardoChristopher ScopazziSan Hoa Thang
    • C08F400
    • C08F265/04C08F290/04C08F290/061C08F293/00C08F293/005Y10S514/944
    • A process for preparing microgel(s) that uses a wide range of activatable prepolymers; in the process, a polymer composition of crosslinked component A and soluble components B and C is formed from mono-olefinic and multi-olefinic monomers in the presence of catalyst and initiator; the process comprises: I) introducing mono-olefinic monomer, catalyst, and initiator into a reactor in the absence of multi-olefinic monomer and producing an activatable prepolymer, component B; II) contacting the product of I) with multi-olefinic monomer to produce components A and C, optionally in the presence of additional initiator; also optionally in the presence of additional mono-olefinic monomer and initiator; the ratio of components A/(B+C) can be controlled by varying the mole ratio of Component B/multi-olefinic monomer from 0.05/1 up to 5/1, by decreasing the mole ratio to increase the ratio of A/(B+C), and increasing the mole ratio to decrease the ratio of A/(B+C).
    • 一种制备使用广泛可活化预聚物的微凝胶的方法; 在该方法中,交联组分A和可溶组分B和C的聚合物组合物在催化剂和引发剂存在下由单烯烃和多烯属单体形成; 该方法包括:I)在不存在多烯属单体的情况下将单烯烃单体,催化剂和引发剂引入反应器,并产生可活化的预聚物组分B; II)使I)的产物与多烯属单体接触, 产生组分A和C,任选地在另外的引发剂的存在下; 也可任选在另外的单烯烃单体和引发剂的存在下进行; 可以通过将组分B /多烯烃单体的摩尔比从0.05 / 1增加到5/1来控制组分A /(B + C)的比例,通过降低摩尔比以增加A /( B + C),并增加摩尔比以降低A /(B + C)的比例。