Synthesis and properties of red mud/polydimethylsiloxane composites

LU Ben; Li Anmin; HUANG Zhuofang

Volume 41 Issue 7

Jul. 2024

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LU Ben, Li Anmin, HUANG Zhuofang. Synthesis and properties of red mud/polydimethylsiloxane composites[J]. Acta Materiae Compositae Sinica, 2024, 41(7): 3561-3571.

Citation:

LU Ben, Li Anmin, HUANG Zhuofang. Synthesis and properties of red mud/polydimethylsiloxane composites[J]. Acta Materiae Compositae Sinica, 2024, 41(7): 3561-3571.

LU Ben, Li Anmin, HUANG Zhuofang. Synthesis and properties of red mud/polydimethylsiloxane composites[J]. Acta Materiae Compositae Sinica, 2024, 41(7): 3561-3571.

Citation:

LU Ben, Li Anmin, HUANG Zhuofang. Synthesis and properties of red mud/polydimethylsiloxane composites[J]. Acta Materiae Compositae Sinica, 2024, 41(7): 3561-3571.

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Synthesis and properties of red mud/polydimethylsiloxane composites

LU Ben¹,
Li Anmin^{1, 2, 3, 4
,
,},
HUANG Zhuofang¹

1.
School of Resources, Environment and Materials, Guangxi University, Nanning, 530004, Guangxi, China
2.
State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi University, Nanning, 530004, Guangxi, China
3.
MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, Guangxi University, Nanning, 530004, Guangxi, China
4.
Guangxi Higher Education Key Laboratory of High Performance Structural Materials and Heat Treatment & Surface Processing, Guangxi University, Nanning, 530004, Guangxi, China

Funds: Special funds for local scientific and technological development under the guidance of the central government in 2021 (GuiKeZY21195030); Guangxi Science and Technology Base and Talent Project in 2022 (GuiKeAD21238010); Key research and development plan project of Guangxi (Guike AB22080015)

Received Date: 2023-09-05
Accepted Date: 2023-11-22
Rev Recd Date: 2023-11-19

Available Online: 2023-12-04

Publish Date: 2024-07-15

Abstract

Abstract

Red mud/polydimethylsiloxane composites were prepared by filling red mud in flexible polydimethylsiloxane by mechanical stirring, vacuum magnetic stirring defoamination and heating curing. The structure, microstructure, mechanical and thermal properties of the composites were characterized and analyzed. The results showed that, Red mud as a cross-linked node and self-lubricating particle improved the elastic modulus, tensile strength, hardness Shore, impact strength and friction and wear properties of the composites, among which the impact strength increased significantly, from 41.13 kJ·m⁻² to 273.33 kJ·m⁻², an increase of 565%. In addition, red mud as a non-combustible also improved the flame retardant performance of the composites, the limiting oxygen index increased from 25.7% to 34.7%, an increase of 35%, into the range of refractory materials (> 27%). This is expected to expand the application field of this silicone material, and provide a reference for the resource utilization of red mud and the research of new red mud/polymer composites.
- red mud,
- red mud utilization,
- padding,
- composites,
- silicone,
- polydimethylsilox
Long Abstrsct
Innovation Points

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References(28)

References

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