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YU Ni, ZHANG Yi, PENG Weikai, LUO Hao. Preparation and Foaming Properties of PMMA Nano-cellular Foam[J]. Development and Application of Materials, 2023, 38(2): 76-83.
Citation: YU Ni, ZHANG Yi, PENG Weikai, LUO Hao. Preparation and Foaming Properties of PMMA Nano-cellular Foam[J]. Development and Application of Materials, 2023, 38(2): 76-83.
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Preparation and Foaming Properties of PMMA Nano-cellular Foam

  • Luoyang Ship Material Research Institute, Luoyang 471023, China

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  • Received Date: September 15, 2022
  • Available Online: May 05, 2023
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    • Abstract
  • PMMA with high adsorption capacity for supercritical carbon dioxide is selected as the matrix material and foamed by supercritical CO2 foaming technology. The influences of saturation and foaming stage parameters and CO2 adsorption capacity on the structure parameters of the PMMA foam are studied. The results reveal both the low-temperature and high-pressure can increase the adsorption capacity of CO2, and that the mass fraction of CO2 in PMMA increases from 21.59% to 35.72%.After the PMMA with CO2 of 35.72% is foamed at 40 ℃ for 30 s, we can obtain the PMMA nano-cellular foam with the uniform cell size of 35.9 nm and cell density of 1.57×1 015.
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    • References (16)
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