The reinforcement of polyurethane by mini-sized graphene with superior performances

Qian Chen,Xiaoyun Li,Zhiyuan Yang,Xiaqing Meng,Yuhua Zhao,Maoqing Kang,Qifeng Li,Junzhong Wang,Junwei Wang,Junying Wang

Chemical Engineering Journal（2024）

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摘要

3 wt% mini-sized graphene filled polyurethane exhibits improved 81% tensile strength and 126.7% modulus at an elongation of 605%, and 17 times thermal conductivity (4.24 W/m·K) over PU. There exist more hydrogen bonds and improved microphase separation of hard and soft segments for the reinforcement of polyurethane by mini-sized graphene.

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关键词

Graphene,Polyurethane,Mechanical properties,Thermal conductivity,Microphase separation

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