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首页> 外文期刊>ACS applied materials & interfaces >Mixed Polymer Brushes with Locking Switching
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Mixed Polymer Brushes with Locking Switching

机译：带锁定开关的混合聚合物电刷

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摘要

Mixed polymer brushes, made of two different kinds of polymers randomly grafted to the same solid substrate, were introduced as switchable interfaces for a number of promising applications. The switching properties of the mixed polymer brushes are substantially dependent on grafting density, molecular weight, compatibihty of two distinct grafted polymers, and their interaction with the solvent. This work reports the mixed polymer brushes with the property of locking switching. The wetting properties of such a mixed brush can be switched between the wetting properties of individual constituting polymers by appropriate selection of solvent. However, the mixed polymerbrushes wetting behavior can be locked in the hydrophobic state. This kinetically frozen methastable state, however, can be unlocked via treatment by proper "unlocking" solvent. This locking and unlocking of the hydrophobic state of the mixed brush with specific solvents could find useful applications for the development of functional materials.
机译：混合聚合物刷由两种不同种类的聚合物制成，这些聚合物随机接枝到同一固体基材上，作为可切换的界面引入了许多有希望的应用中。混合聚合物刷的转换性能主要取决于接枝密度，分子量，两种不同的接枝聚合物的相容性及其与溶剂的相互作用。这项工作报告了混合聚合物电刷具有锁定切换的特性。通过适当选择溶剂，可以在单个构成聚合物的润湿性能之间切换这种混合刷的润湿性能。但是，混合的聚合物刷子的润湿行为可以锁定在疏水状态。然而，该动力学冷冻的可甲基化状态可以通过适当的“解开”溶剂的处理而解开。混合刷子与特定溶剂的疏水状态的这种锁定和解锁可以为开发功能材料找到有用的应用。

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