Raj Wojciech, Russo Alessandro, Zhang Yaoming, Chapelat Julien, Pietrasik Joanna
Lodz University of Technology, Institute of Polymer and Dye Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland.
Cemex Research Group AG, Römerstrasse 13, 2555 Brüggbei Biel, Switzerland.
Nanomaterials (Basel). 2020 Mar 17;10(3):536. doi: 10.3390/nano10030536.
A totally new approach in the synthesis of mixed polymer brushes tethered on polyamide (PA) surfaces is presented herein. As a proof of concept, two types of homopolymers were synthesized in sequential surface-initiated atom transfer radical polymerization (SI-ATRP) reactions: poly(methyl methacrylate)/poly((2-dimethylamino)ethyl methacrylate) and polystyrene /poly((2-dimethylamino)ethyl methacrylate). The ATRP initiator was immobilized on the surface through PA chain-end groups in two subsequent steps, separated by homo-polymerizations. The amount of the PA chains' end groups available on the modified surface was tuned by the thermal rearrangement of the surface.
本文介绍了一种在聚酰胺（PA）表面合成混合聚合物刷的全新方法。作为概念验证，通过连续的表面引发原子转移自由基聚合（SI-ATRP）反应合成了两种类型的均聚物：聚甲基丙烯酸甲酯/聚（甲基丙烯酸（2-二甲氨基）乙酯）和聚苯乙烯/聚（甲基丙烯酸（2-二甲氨基）乙酯）。通过两步后续步骤，通过PA链端基将ATRP引发剂固定在表面上，这两步之间间隔有均聚反应。通过表面的热重排来调节改性表面上可用的PA链端基的数量。
