POLYMER BRUSHES

POLYMER BRUSHES
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DOI:
10.1126/science.251.4996.905
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发表时间:
1991-02-22
期刊:
影响因子:
56.9
通讯作者:
MILNER, ST
MILNER, ST
中科院分区:
综合性期刊1区
文献类型:
--
作者:
MILNER, ST

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聚合物通过一端以相对高的覆盖率附着到界面,远离界面伸展以避免重叠,形成聚合物“刷”。“这个简单的图片可以作为聚合物科学中各种界面系统模型的基础,例如聚合物表面活性剂,胶体颗粒的稳定悬浮液,以及由嵌段共聚物形成的结构。 近年来,聚合物刷的结构和动力学一直是相当多的理论和实验活动的主题。 综述了近年来拉伸聚合物在界面上的理论研究进展,并简要评述了用刷子模拟体系的各种实验探针。
Polymers attached by one end to an interface at relatively high coverage stretch away from the interface to avoid overlapping, forming a polymer "brush." This simple picture may serve as the basis for models in diverse interfacial systems in polymer science, such as polymeric surfactants, stabilized suspensions of colloidal particles, and structures formed by block copolymers. The structure and dynamics of polymer brushes have been the subject of considerable theoretical and experimental activity in recent years. Ann account is given of recent advances in theoretical understanding of stretched polymers at interfaces, and the diverse experimental probes of systems modeled by brushes are briefly reviewed.