RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface Material

Thermal interface material (TIM) is crucial for heat transfer from a heat source to a heat sink. A high-performance thermal interface material with solid–solid phase change properties was prepared to improve both thermal conductivity and interfacial wettability by using reduced graphene oxide (rGO)-...

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Main Authors: Cong Zhang, Zhe Shi, An Li, Yang-Fei Zhang
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Polymers
Subjects:
Online Access:https://www.mdpi.com/2073-4360/12/12/3004
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author Cong Zhang
Zhe Shi
An Li
Yang-Fei Zhang
author_facet Cong Zhang
Zhe Shi
An Li
Yang-Fei Zhang
author_sort Cong Zhang
collection DOAJ
description Thermal interface material (TIM) is crucial for heat transfer from a heat source to a heat sink. A high-performance thermal interface material with solid–solid phase change properties was prepared to improve both thermal conductivity and interfacial wettability by using reduced graphene oxide (rGO)-coated polyurethane (PU) foam as a filler, and segmented polyurethane (SPU) as a matrix. The rGO-coated foam (rGOF) was fabricated by a self-assembling method and the SPU was synthesized by an in situ polymerization method. The pure SPU and rGOF/SPU composite exhibited obvious solid–solid phase change properties with proper phase change temperature, high latent heat, good wettability, and no leakage. It was found that the SPU had better heat transfer performance than the PU without phase change properties in a practical application as a TIM, while the thermal conductivity of the rGOF/SPU composite was 63% higher than that of the pure SPU at an ultra-low rGO content of 0.8 wt.%, showing great potential for thermal management.
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spelling doaj.art-c6e0ec6bb3fa4ee4b6337799c6a5644e2023-11-21T01:04:10ZengMDPI AGPolymers2073-43602020-12-011212300410.3390/polym12123004RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface MaterialCong Zhang0Zhe Shi1An Li2Yang-Fei Zhang3Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, ChinaDepartment of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, ChinaDepartment of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, ChinaDepartment of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, ChinaThermal interface material (TIM) is crucial for heat transfer from a heat source to a heat sink. A high-performance thermal interface material with solid–solid phase change properties was prepared to improve both thermal conductivity and interfacial wettability by using reduced graphene oxide (rGO)-coated polyurethane (PU) foam as a filler, and segmented polyurethane (SPU) as a matrix. The rGO-coated foam (rGOF) was fabricated by a self-assembling method and the SPU was synthesized by an in situ polymerization method. The pure SPU and rGOF/SPU composite exhibited obvious solid–solid phase change properties with proper phase change temperature, high latent heat, good wettability, and no leakage. It was found that the SPU had better heat transfer performance than the PU without phase change properties in a practical application as a TIM, while the thermal conductivity of the rGOF/SPU composite was 63% higher than that of the pure SPU at an ultra-low rGO content of 0.8 wt.%, showing great potential for thermal management.https://www.mdpi.com/2073-4360/12/12/3004reduced graphene oxidesegmented polyurethanecompositessolid–solid phase changethermal interface materialthermal conductivity
spellingShingle Cong Zhang
Zhe Shi
An Li
Yang-Fei Zhang
RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface Material
Polymers
reduced graphene oxide
segmented polyurethane
composites
solid–solid phase change
thermal interface material
thermal conductivity
title RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface Material
title_full RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface Material
title_fullStr RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface Material
title_full_unstemmed RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface Material
title_short RGO-Coated Polyurethane Foam/Segmented Polyurethane Composites as Solid–Solid Phase Change Thermal Interface Material
title_sort rgo coated polyurethane foam segmented polyurethane composites as solid solid phase change thermal interface material
topic reduced graphene oxide
segmented polyurethane
composites
solid–solid phase change
thermal interface material
thermal conductivity
url https://www.mdpi.com/2073-4360/12/12/3004
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AT anli rgocoatedpolyurethanefoamsegmentedpolyurethanecompositesassolidsolidphasechangethermalinterfacematerial
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