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Abstract
Post-cleavable block copolymer is a very important class of materials, especially for the preparation of nanochannel materials. Block copolymers can self-assemble to various nanostructures. By adding specific groups between two blocks, we can obtain the materials we need. Here, we synthesized a block copolymer with acid-cleavable junction. Polyethylene oxide and polymethyl methacrylate with chalcone structure （PEO-Ac-PChal）were synthesized by atom transfer radical polymerization (ATRP). After the acetal structure is acidified, one of the blocks was dissolved by a specific solvent, and the nanochannel structure was prepared.
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Funding
This study was funded by the National Natural Science Foundation of China (21675091, 21874078), the Taishan Young Scholar Program of Shandong Province (tsqn20161027), the Major Science and Technology Innovation Project of Shandong Province (2018CXGC1407),the Key Research and Development Project of Shandong Province (2016GGX102028, 2016GGX102039, 2017GGX20111), the Innovation Leader Project of Qingdao (168325zhc), the China Postdoctoral Science Foundation, the Postdoctoral Scientific Research Foundation of Qingdao, and the First Class Discipline Project of Shandong Province.