▎ 摘　　要

NOVELTY - Preparing low temperature phase change composite material involves using acid liquid or alkali liquid to modify the blast furnace slag to obtain the modified blast furnace slag, mixing the paraffin, graphene oxide and dispersant to obtain the paraffin containing graphene oxide, mixing the modified blast furnace slag obtained and the paraffin containing graphene oxide obtained to obtain the low temperature phase change composite material. USE - Method for preparing low temperature phase change composite material. ADVANTAGE - The method enables to prepare low temperature phase change composite material with high thermal conductivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM si included for a low-temperature phase-change composite material prepared by the preparation method. DESCRIPTION OF DRAWING(S) - The drawing shows an object diagram of the low temperature phase change composite material provided by the embodiment 1.