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    • 26. 发明授权
    • Star-branched thermoplastic ionomers
    • 星形支链热塑性离聚物
    • US5039752A
    • 1991-08-13
    • US294320
    • 1989-01-06
    • Robson F. StoreyScott E. George
    • Robson F. StoreyScott E. George
    • C08F297/04
    • C08F297/04
    • Novel star-branched ionomers having at least three branches covalently bonded to a central linking moiety; each branch contains a long inner block comprising non-ionic mers and an outer block comprising at least two ionic mers. Elasticity is provided by the non-ionic blocks and the ionic outer blocks aggregate at room temperature but dissociate and higher temperature, giving the star-branched ionomers thermoplastic characteristics. Star-branched polymers may be provided by growing a first (outer) block as a linear polymer, growing a second (inner) block from the end of the living polymer, linking three or more such linear block polymers to a central linker compound and selectively ionizing the first blocks.
    • 具有至少三个共价键合到中心连接部分上的分支的新型星形支链离聚物; 每个分支含有包含非离子组分的长内嵌块和包含至少两个离子组分的外嵌段。 弹性由非离子嵌段提供,离子外嵌段在室温下聚集,但解离和更高温度,赋予星形支链离聚物热塑性的特征。 星形支化聚合物可以通过生长作为线性聚合物的第一(外部)嵌段,从活性聚合物的末端生长第二(内部)嵌段,将三个或更多个这样的线性嵌段聚合物连接到中心连接体化合物和选择性地 电离第一块。