石墨烯制备阻燃型聚苯乙烯保温材料力学性能和热学性能的研究

鲍大顺

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塑料科技 ›› 2024, Vol. 52 ›› Issue (05) : 101-103. DOI: 10.15925/j.cnki.issn1005-3360.2024.05.022
加工与应用

石墨烯制备阻燃型聚苯乙烯保温材料力学性能和热学性能的研究

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Study on Mechanical and Thermal Properties of Flame Retardant Polystyrene Insulation Materials Prepared from Graphene

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摘要

以石墨烯(GN)改性聚苯乙烯(PS),制备了阻燃型PS/GN保温材料,并研究其力学性能、热学性能等。研究表明:KH-550成功接枝到了GN表面。随着GN掺量的增加,PS/GN保温材料的力学性能、耐热性能逐渐提高,导热系数逐渐降低。GN掺量未超过0.3%时,PS/GN保温材料的力学性能、耐热性能增长显著,导热系数增长不大。GN的最佳掺量为0.3%,此时PS/GN保温材料的压缩强度提高37.2%,起始降解温度提高29 ℃,残炭率提高0.7%,导热系数为0.037 1 W/(m·K)。

Abstract

Graphene (GN) modified polystyrene (PS) was used to prepare flame retardant PS/GN thermal insulation material, and its mechanical properties and thermal properties were studied. The results show that KH-550 is successfully grafted onto the surface of GN. With the increase of GN content, the mechanical properties and heat resistance of PS/GN insulation materials gradually increase, and the thermal conductivity gradually decreases. When the content of GN is not more than 0.3%, the mechanical properties and heat resistance of PS/GN insulation material increase significantly, and the thermal conductivity increases little. The optimum content of GN is 0.3%, at this time, the compressive strength of PS/GN insulation material is increased by 37.2%, the initial degradation temperature is increased by 29 ℃, the mass residue is increased by 0.7%, and the thermal conductivity is 0.037 1 W/(m·K).

关键词

石墨烯 / 聚苯乙烯 / 压缩强度 / 耐热性能

Key words

Graphene / Polystyrene / Compressive strength / Heat resistance

中图分类号

TQ325.2

引用本文

导出引用
鲍大顺. 石墨烯制备阻燃型聚苯乙烯保温材料力学性能和热学性能的研究. 塑料科技. 2024, 52(05): 101-103 https://doi.org/10.15925/j.cnki.issn1005-3360.2024.05.022
BAO Da-shun. Study on Mechanical and Thermal Properties of Flame Retardant Polystyrene Insulation Materials Prepared from Graphene[J]. Plastics Science and Technology. 2024, 52(05): 101-103 https://doi.org/10.15925/j.cnki.issn1005-3360.2024.05.022

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