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Chem. J. Chinese Universities ›› 2026, Vol. 47 ›› Issue (7): 20250396.doi: 10.7503/cjcu20250396

• Polymer Chemistry • Previous Articles     Next Articles

Acrylate-Epoxy Two-stage Resin Inflatable Deployable Tube

MA Deping1, CHEN Jiaxing2, SHI Zhiwei2, ZHANG Weiping2, ZHANG Yazhen2, AN Hongjing1, WU Chao1, LAI Hua1, CHENG Zhongjun1(), LIU Yuyan1()   

  1. 1.School of Chemistry and Chemical Engineering,Harbin Institute of Technology,Harbin 150001,China
    2.Inner Mongolia Power Machinery Research Institute,Hohhot 010010,China
  • Received:2025-12-24 Online:2026-07-10 Published:2026-04-29
  • Contact: CHENG Zhongjun, LIU Yuyan E-mail:chengzhongjun@iccas.ac.cn;liuyy@hit.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(52273317)

Abstract:

A two-stage photo/thermal curing acrylate-epoxy resin system was designed, and the influence of the mass ratio between acrylate and epoxy resin on the material’s mechanical properties and shape memory properties was explored. The optimized acrylate-epoxy resin system was used to prepare composite materials with aramid fibers. By adjusting the resin-fiber content ratio, the mechanical properties and shape memory properties of the composites were studied and optimized. Meanwhile, an inflatable deployable tube was fabricated using the composite materials. The experimental results show that based on the photo/thermal two-stage curing technology, the inflatable deployable tube can be designed into different permanent shapes as required. At the same time, by combining the inflatable deployment technology and the shape memory effect of the material, state control between the permanent shape and the new temporary shape can be achieved. In addition, the influence of the length-to-diameter ratio of the deployable tube on its pressure retention performance, mechanical property and shape memory property was analyzed in detail, and the theoretical analysis of the controllability of its shape was carried out. Results indicate that the shape memory function of the deployable tube originates from the reversible change of the molecular conformation of the resin after curing. In addition, the two-stage curing characteristics of the resin and the synchronous increase in modulus are the fundamental reasons why the deployable tube can be set to different permanent shapes as required.

Key words: Acrylate-epoxy resin system, Photo/thermal two-stage curing technology, Shape memory composite, Inflatable deployable tube

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