▎ 摘　　要

NOVELTY - Preparing thermally conductive composite hydrogel having a solid-liquid interpenetrating network structure involves dispersing thermally conductive filler in a solvent to obtain a mixture, and using a cell crusher to ultrasonically treat the mixture at a power of 20-800 W for 5-60 minutes to obtain a dispersion, which is denoted as dispersion A, where the dispersion concentration of the thermally conductive filler in A is 0.01-5 mg/ml, dissolving dopamine hydrochloride in Tris-hydrochloric acid buffer to prepare a solution with a concentration of 0.05-5 mg/mL and a pH of 8-9, which is recorded as solution B, dissolving the polymer hydrogel precursor in water to prepare 1-50 vol.% aqueous solution of the polymer hydrogel precursor, and record it as solution C, where polymer hydrogel contains water quality score of /( 50%, preparing a polymer material with a three-dimensional network structure, and immersing it in the dispersion A for 1-30 minutes. USE - Method for preparing thermally conductive composite hydrogel having a solid-liquid interpenetrating network structure. ADVANTAGE - The method provides product, which has good thermal conductivity, and the liquid thermal conductivity network also has convective heat transfer capabilities, and has excellent thermal conductivity. DETAILED DESCRIPTION - Preparing thermally conductive composite hydrogel having a solid-liquid interpenetrating network structure involves dispersing thermally conductive filler in a solvent to obtain a mixture, and using a cell crusher to ultrasonically treat the mixture at a power of 20-800 W for 5-60 minutes to obtain a dispersion, which is denoted as dispersion A, where the dispersion concentration of the thermally conductive filler in A is 0.01-5 mg/ml, dissolving dopamine hydrochloride in Tris-hydrochloric acid buffer to prepare a solution with a concentration of 0.05-5 mg/mL and a pH of 8-9, which is recorded as solution B, dissolving the polymer hydrogel precursor in water to prepare 1-50 vol.% aqueous solution of the polymer hydrogel precursor, and record it as solution C, where polymer hydrogel contains water quality score of /( 50%, preparing a polymer material with a three-dimensional network structure, immersing it in the dispersion A for 1-30 minutes, taking it out and drying it at a temperature of 20-200?OC for 0.5-3 hours to obtain elastic three-dimensional continuous heat conduction Network, denoted as solid heat conduction network D, immersing the solid thermally conductive network D in the solution B for 1-48 hours, rinsing it in deionized water for 1-5 minutes after taking it out, to obtain a solid thermally conductive network D coated with a polydopamine coating, immersing in the solution C, and then treating together at an absolute pressure of less than 0.1 MPa for 10-60 minutes to remove bubbles, and gelling the solution C to form a hydrogel after external triggering.