Insulating Paper Cellulose with High Mechanical Performance and Low Polarizability: The Effect of Doping Concentration on Polyhedral Oligomeric Silsesquioxanes‐Modified Cellulose

Yang, Lijun; Gao, Jin; Qiu, Qinpan; Qin, Jian; Xiao, Peng; Tang, Chao

doi:10.1002/adem.202100022

Cited by 4 publications

(3 citation statements)

References 29 publications

(22 reference statements)

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“…In 2021, Yang [48] et al used polyhedral oligomeric silsesquioxane (POSS) modified insulating paper to investigate the optimum addition mass fraction of POSS. They found that when the mass fraction of POSS was 3%, the elastic modulus, shear modulus and bulk modulus pressure of insulating paper were improved by 19.96%, 20.52% and 22.19%, respectively.…”

Section: Other Modification Methodsmentioning

confidence: 99%

“…In 2021, Yang [48] et al. used polyhedral oligomeric silsesquioxane (POSS) modified insulating paper to investigate the optimum addition mass fraction of POSS.…”

Section: Research Progress Of Modified Cellulose Insulating Papermentioning

confidence: 99%

“…Yang Lu [48] also established a pure cellulose model and 1wt%, 2wt%, 3wt%, 4wt%, and 5wt% POSS modified cellulose models to study their thermal stability. The results showed that the modification effect of 3wt% POSS modified model was relatively the best.…”

Section: Research Progress Of Modified Cellulose Insulating Papermentioning

confidence: 99%

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A review on the research progress and future development of nano‐modified cellulose insulation paper

Tang

Chen

Zhang

et al. 2021

IET Nanodielectrics

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Focussing on the insulating material of power transformer-cellulose insulation paper, this paper first introduces the basic characteristics and engineering application background of insulation paper. Then, the research progress of improving the mechanical properties, thermal stability and electrical properties of insulation paper by nano modification in recent years is compared, and the promotion mechanism is analysed. In addition, in practical engineering application, the oil-paper composite insulation system composed of insulation paper and insulating oil is used for the internal insulation of oil immersed transformer. Therefore, the influence of modified insulation paper on the performance of oil-paper composite insulation system is analysed. Finally, the newly reported new insulation paper is introduced, and the future development trend of modification of traditional insulation paper is analysed.

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Section: Other Modification Methodsmentioning

confidence: 99%

“…In 2021, Yang [48] et al. used polyhedral oligomeric silsesquioxane (POSS) modified insulating paper to investigate the optimum addition mass fraction of POSS.…”

Section: Research Progress Of Modified Cellulose Insulating Papermentioning

confidence: 99%

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A review on the research progress and future development of nano‐modified cellulose insulation paper

Tang

Chen

Zhang

et al. 2021

IET Nanodielectrics

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Properties of ladder-like polysilsesquioxane-modified insulation paper cellulose with different substituents

Wang,

Zeng,

et al. 2024

Journal of Industrial and Engineering Chemistry

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Effect of doped nano-SiO2, Al2O3, and polyhedral oligomeric sesquisiloxane on the thermodynamic properties of cellulose

2023

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Cellulose insulation paper is an essential part of the transformer oil-paper insulation system, and many types of nano-modified insulating paper are available. For studying the effects of various nano-modified molecules on cellulose and the differences in performance, the pure cellulose model and polyoctaaminophenylsesquioxane and grafted 3-aminopropyltriethoxysilane (KH550) SiO2 and Al2O3 cellulose models were developed using molecular dynamics methods, and the mechanical properties and thermally stability were calculated and compared. The findings show that, in general, all three nano-modification models improved the thermal stability and mechanical properties, with nano-SiO2-KH550 cellulose having the best overall modification effect. In terms of mechanical properties, the nano-SiO2-KH550 cellulose showed the largest increase in compressive strength, with an 18.1% improvement. In terms of thermal stability, the KH550 grafted nano-silica/cellulose composite model showed the best modification effect, as evidenced by the smaller cohesive energy density and free volume region compressing the space between cellulose molecules, making the modified cellulose more compact internally, thus achieving the effect of inhibiting the movement of cellulose chains.

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Insulating Paper Cellulose with High Mechanical Performance and Low Polarizability: The Effect of Doping Concentration on Polyhedral Oligomeric Silsesquioxanes‐Modified Cellulose

Cited by 4 publications

References 29 publications

A review on the research progress and future development of nano‐modified cellulose insulation paper

A review on the research progress and future development of nano‐modified cellulose insulation paper

Properties of ladder-like polysilsesquioxane-modified insulation paper cellulose with different substituents

Effect of doped nano-SiO2, Al2O3, and polyhedral oligomeric sesquisiloxane on the thermodynamic properties of cellulose

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