Effect of Cellular Structure Controlled by Polysiloxane‐Polyether Surfactant on Mechanical Properties of Rigid Polyimide Foam DOI

Yifan Xing,

Ying Zhang, Huiying Zhang

et al.

Advanced Engineering Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 18, 2025

Polyimide foam, a lightweight porous material with thermal insulation and acoustic absorption properties, has demonstrated significant potential for aerospace applications. However, advancing technologies urgently require enhanced mechanical performance in these materials. This study introduces novel method preparing rigid polyimide foam (RPIF) by adjusting the content of surfactant polysiloxane‐polyether copolymer (trade name AK8805). The impact microscopic pore structures on properties RPIF is analyzed. Results show that while AK8805 does not significantly alter molecular structure or it enhances porosity, closed‐cell ratio, distribution, optimizing performance. At 6 wt% AK8805, achieves compressive strength 5.45 MPa modulus 60.74 MPa. Low high uniform distribution improve load transfer properties. provides an effective approach structural foams advanced

Language: Английский

Effect of Cellular Structure Controlled by Polysiloxane‐Polyether Surfactant on Mechanical Properties of Rigid Polyimide Foam DOI

Yifan Xing,

Ying Zhang, Huiying Zhang

et al.

Advanced Engineering Materials, Journal Year: 2025, Volume and Issue: unknown

Published: April 18, 2025

Polyimide foam, a lightweight porous material with thermal insulation and acoustic absorption properties, has demonstrated significant potential for aerospace applications. However, advancing technologies urgently require enhanced mechanical performance in these materials. This study introduces novel method preparing rigid polyimide foam (RPIF) by adjusting the content of surfactant polysiloxane‐polyether copolymer (trade name AK8805). The impact microscopic pore structures on properties RPIF is analyzed. Results show that while AK8805 does not significantly alter molecular structure or it enhances porosity, closed‐cell ratio, distribution, optimizing performance. At 6 wt% AK8805, achieves compressive strength 5.45 MPa modulus 60.74 MPa. Low high uniform distribution improve load transfer properties. provides an effective approach structural foams advanced

Language: Английский

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