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    • 7. 发明授权
    • Crosslinked triacrylate polymer beads
    • 交联的三丙烯酸酯聚合物珠
    • US4414278A
    • 1983-11-08
    • US370992
    • 1982-04-22
    • Abraham B. CohenChristina N. Lazaridis
    • Abraham B. CohenChristina N. Lazaridis
    • C08F22/10B32B5/16
    • C08F22/105Y10T428/2982
    • Discrete, substantially nonswellable crosslinked polymeric beads, 0.7 to 20 .mu.m average diameter wherein at least 90% of the beads by population are below 20 .mu.m, which are nonagglomerating in any solvent or solvents including solvents for the liquid monomer or monomers used in preparation thereof. The polymeric beads are homopolymers of tri- and tetraacrylate and tri- and tetramethacrylate monomers, copolymers thereof, copolymers of one of said acrylate or methacrylate monomers with up to 50% of a monomer having a single terminal ethylenic group or with up to 75% of a monomer having two terminal ethylenic groups or three terminal ethylenic groups different from said triacrylate or trimethacrylate monomers defined above.
    • 离散的,基本不可穿透的交联聚合物珠粒,其平均直径为0.7-20μm,其中至少90%的珠子总数低于20μm,在任何溶剂或溶剂中是非团聚的,包括用于制备液体单体或单体的溶剂 其中。 聚合物珠粒是三和四丙烯酸酯和三甲基丙烯酸酯和四甲基丙烯酸酯单体的均聚物,其共聚物,所述丙烯酸酯或甲基丙烯酸酯单体之一的共聚物与高达50%的具有单末端烯属基团的单体或最多75% 具有两个末端烯基或与上述三丙烯酸酯或三甲基丙烯酸酯单体不同的三个末端烯基的单体。