Method and device for preparing graphene-based polyethylene glycol phase change material
A method and device for preparing a graphene-based polyethylene glycol phase change material. The method includes: (S1) dispersing carbon black in deionized water to form a carbon black dispersion; immersing polyurethane sponge in the carbon black dispersion; and taking out polyurethane sponge followed by drying to obtain a polyurethane sponge-carbon black combination; (S2) subjecting the polyurethane sponge-carbon black combination to a first electrical discharge machining to obtain a first intermediate; (S3) ultrasonically mixing the first intermediate, polyethylene glycol, and MgO to obtain a second intermediate; (S4) subjecting the second intermediate to a second electrical discharge machining to obtain a third intermediate; (S5) subjecting the third intermediate to acid washing to obtain a fourth intermediate, and drying the fourth intermediate; (S6) injecting polyethylene glycol into the fourth intermediate followed by stirring in a mold and drying to prepare the graphene-based polyethylene glycol phase change material.
GUANGDONG UNIVERSITY OF TECHNOLOGY
C C C C C C C
C08K C09K C08J C08J C01B C08K C01B
inventional inventional inventional additional inventional inventional inventional
Yun Xun Zengguang Shuquan Xiangyuan Canguang Xin Jian
Chen Chen Gao Ding Luo Lin Chen Gao