Anisotropic nucleation and compatibilization of SiO2@PS Janus particles on expandable polystyrene

Chi, Chongyi; Lin, Jiahe; Lu, Xiaoyu; Zheng, Yufeng; Luo, Yuxuan; Chen, Qinhui

doi:10.1016/j.colsurfa.2022.130842

Colloids and Surfaces A: Physicochemical and Engineering Aspect

2023

DOI: 10.1016/j.colsurfa.2022.130842

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Anisotropic nucleation and compatibilization of SiO2@PS Janus particles on expandable polystyrene

Chongyi Chi

Jiahe Lin

Xiaoyu Lu

et al.

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Cited by 2 publications

References 24 publications

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Effect of calcium silicate on foaming and anti‐shrinkage behavior of thermoplastic polyamide elastomers: Revelation of the open‐cell mechanism

Ma,

Zhai,

Zhao

et al. 2024

J of Applied Polymer Sci

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Thermoplastic polyamide elastomer (TPAE)/calcium silicate (CaSiO3) open‐cell foam with low shrinkage and high expansion ratio was prepared by using supercritical CO2 as a blowing agent. Adding CaSiO3 led to increased melt viscoelasticity and reduced crystallinity of TPAE. The primary mechanism of CaSiO3 promoting TPAE foam to form the open‐cell structure was discussed. The interaction between CaSiO3 and TPAE is fragile, making CaSiO3 easy to fall off the cell wall and form the open‐cell structure during foaming process. The increasing CaSiO3 content leads to increased cell density and thinned cell walls, thus increasing the tensile stress on cell wall. On the other hand, the agglomeration of CaSiO3 increases particle size, making it easier to fall off from the adhesion of TPAE matrix. The two aspects work together to improve the open‐cell content of TPAE foam up to 93.28%. The open‐cell structure is conducive to increasing the gas exchange rate and significantly decreasing foam shrinkage ratio. Finally, TPAE foam with a shrinkage ratio of only 2.68% and an expansion ratio of 18.77 times was obtained. In addition, open‐cell structure improves the adsorption performance of TPAE/CaSiO3 foam by 500%.

show abstract

Effect of calcium silicate on foaming and anti‐shrinkage behavior of thermoplastic polyamide elastomers: Revelation of the open‐cell mechanism

Ma,

Zhai,

Zhao

et al. 2024

J of Applied Polymer Sci

View full text Add to dashboard Cite

show abstract

Enhanced hydrophobicity and UV resistance of cotton fabrics through the synergistic effect of raspberry-shaped colored nanoparticles and polymethylhydrosiloxane

Zhang

Fang

Liu

et al. 2023

Applied Surface Science

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Anisotropic nucleation and compatibilization of SiO2@PS Janus particles on expandable polystyrene

Cited by 2 publications

References 24 publications

Effect of calcium silicate on foaming and anti‐shrinkage behavior of thermoplastic polyamide elastomers: Revelation of the open‐cell mechanism

Effect of calcium silicate on foaming and anti‐shrinkage behavior of thermoplastic polyamide elastomers: Revelation of the open‐cell mechanism

Enhanced hydrophobicity and UV resistance of cotton fabrics through the synergistic effect of raspberry-shaped colored nanoparticles and polymethylhydrosiloxane

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