2025 - Sustainable Industrial Processing Summit
SIPS2025 Volume 4. Matyjaszewski Intl. Symp. / Polymers
| Editors: | F. Kongoli, R.C. Advincula, B.Z. Tang, S. Thomas |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2025 |
| Pages: | 208 pages |
| ISBN: | 978-1-998384-44-0 (CD) |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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REWRITABLE POLYMER BRUSHES: DYNAMIC COVALENT LINKAGES FOR DIVERSE GRAFTS
Feichen Cui1; Jiajun Yan1;1SHANGHAITECH UNIVERSITY, Shanghai, China;
Type of Paper: Regular
Id Paper: 248
Topic: 62
Abstract:
Surface-grafted polymers, commonly known as polymer brushes, have gained prominence due to their ability to modify and functionalize surfaces.[1] In this research, a novel approach has emerged, combining dynamic covalent chemistry (DCC) with polymer brushes to achieve unprecedented versatility.
The method involves introducing initiators with cyclic triketone moieties onto amine-functionalized surfaces.[2] Polymer brushes are then grown from these surfaces. What sets this approach apart is the subsequent cleaving of the previously grafted polymer using small-molecule amines. By re-exposing amino groups on the surface, a second batch of initiators can initiate another polymer, leading to a cascade of grafting events.
Unlike traditional copolymerization, which only varies composition along the polymer brush, this DCC-enabled technique allows for unlimited types of polymer brushes along the surface. Researchers can tailor the composition, molecular weight, and architecture of each brush, opening up exciting possibilities for customizable surface modifications.
This innovative strategy promises applications in fields such as biomedicine, materials science, and nanotechnology. By harnessing the stability of diketoenamine linkages, scientists can explore intricate multicomponent polymer brushes, paving the way for advanced functional materials.