journal article·2024-08-05

Ultrastrong, High Fire Resistance, Repairable, and Recyclable Fluorinated Biobased Polyimine Networks

Jue Wang, Hongliang Ding, Ping Yu, Zichen Jia, Chuanshen Wang, Haiyue Wang, Hongfei He, Weiyi Xing, Wei Yang, Ping Zhang, Bin Yu

ACS Materials Letters· Volume 6· Issue 8
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Abstract

Traditional commercial thermosetting materials are currently facing significant challenges in terms of reprocessing, degradation, and recycling because of a large demand of petroleum resources, leading to a significant environmental burden. In our work, a trialdehyde monomer synthesized by a renewable resource reacted with 1,4-Bis(4-amino-2-trifluoromethylphenoxy)benzene and 1,4-Bis(4-aminophenoxy)benzene to form a dynamic cross-linked network called BQPs. The fluorinated biobased polyimine material exhibits exceptional mechanical properties with a tensile strength of 96.2 MPa, which is much higher than commercial plastics such as polycarbonate (∼65 MPa). Moreover, it demonstrates excellent flame retardancy by achieving a level of V0 rating in the UL-94 test and a value of 50% in the limiting oxygen index test. Additionally, it can be easily reprocessed within 10 min at high temperature (160 °C) and rapidly repaired with a solvent. Overall, this high-performance fluorinated biobased polyimine product will significantly contribute to expanding the development of polyimine materials.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Polymer composites and self-healing · Flame retardant materials and properties · Synthesis and properties of polymers

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei 230026, P. R. China

Nano Science and Technology Institute, University of Science and Technology of China, Suzhou 215123, P. R. China

School of Environmental and Chemical Engineering, Jiangsu Key Laboratory of Function Control Technology for Advanced Materials, Jiangsu Ocean University, Lianyungang, Jiangsu 222005, P. R. China

School of Energy, Materials and Chemical Engineering, Hefei University, 99 Jinxiu Avenue, Hefei, Anhui 230601, P. R. China

State Key Laboratory of Environmental Friendly Energy Materials & Department of Materials, Southwest University of Science and Technology, Mianyang 621010, P. R. China

Funding

Natural Science Research of Jiangsu Higher Education Institutions of China · National Key Research and Development Program of China · National Natural Science Foundation of China · Chinese Academy of Sciences · Anhui Province Key Laboratory of Environment-friendly Polymer Materials

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