A method for preparing two-dimensional copolymers using hydrogen bond-induced assembly

By co-assembling with ordinary amphiphilic monomers containing hydrogen bonding or acceptor structures, the assembly is induced to form two-dimensional supramolecular molecules with the help of hydrogen bonding force, and in situ radical polymerization is carried out, the problem that ordinary amphiphilic monomers are difficult to form two-dimensional copolymers is solved, and efficient and green two-dimensional copolymer preparation is achieved.

CN116178608BActive Publication Date: 2025-03-25ANHUI UNIV
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Patent Information

Application Number
CN202310268246.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-15
Publication Date
2025-03-25
Estimated Expiration
2043-03-15

AI Technical Summary

Technical Problem

It is difficult to effectively prepare ordinary amphiphilic monomers to form two-dimensional copolymers, especially monomers that cannot form a sheet layer by themselves.

Method used

By co-assembling with ordinary amphiphilic monomers containing hydrogen bonded or acceptor structures, the ordinary amphiphilic monomers are induced to be oriented assembled into two-dimensional supramolecular molecules by means of hydrogen bonding force, and in situ radical polymerization is carried out in its space to prepare a two-dimensional copolymer.

Benefits of technology

It is realized that ordinary amphiphilic monomers that cannot form a sheet layer by itself are prepared into two-dimensional copolymers without peeling operation, the synthesis method is simple, the yield is rich, and there is no toxic and harmful reagents involved, which is suitable for green and sustainable development.

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Abstract

The present invention relates to the technical field of two-dimensional polymer material preparation, a method for preparing a two-dimensional copolymer by hydrogen bond induced assembly, comprising the following steps: co-assembly of an amphiphilic monomer containing a hydrogen bond donor / acceptor structure and a common amphiphilic monomer without a hydrogen bond donor / acceptor structure: adding the amphiphilic monomer containing a hydrogen bond donor / acceptor structure to deionized water, then adding a base, shaking to dissolve it, then adding a common amphiphilic monomer without a hydrogen bond donor / acceptor structure to mix evenly, standing to form a two-dimensional supramolecular solution; adding an initiator to the two-dimensional supramolecular solution, after three rounds of oxygen removal and nitrogen ventilation operations, in-situ free radical polymerization is performed at 70°C to obtain a two-dimensional copolymer. The present invention is that the hydrogen bonds of the amphiphilic monomer containing a hydrogen bond donor / acceptor structure can induce the common amphiphilic monomer without a hydrogen bond donor / acceptor structure to orient to form a two-dimensional supramolecular, and then in-situ polymerization to form a two-dimensional copolymer.
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