▎ 摘　　要

NOVELTY - Preparing PA10T heat-conducting composite material based on bionic modification, comprises configuring first aqueous solution of catechol-polyamine compound, adding aqueous ammonia (remaining amount) into first aqueous solution, adjusting pH value of first aqueous solution, cleaning hollow glass microspheres in mixed solution of ethanol and acetone, adding e.g. graphene oxide to first solution, reacting, polymerizing catechol and polyamine compound to surface of hollow glass microspheres under alkaline condition to form a deposited functional layer, adhering graphene oxide on deposited functional layer to form a uniform heat-conducting shell layer, washing hollow glass microsphere and vacuum-drying to obtain surface heat-conducting modified hollow glass microsphere, mixing PA10T polyamide resin and auxiliary agent, placing into twin-screw extruder, adding modified hollow glass microspheres into extruder from side feeding port, melting and extruding, cooling, granulating, and drying. USE - The method is useful for preparing PA10T heat-conducting composite material based on bionic modification. ADVANTAGE - The material has high thermal conductivity, low warpage and low density. DETAILED DESCRIPTION - Preparing PA10T heat-conducting composite material based on bionic modification, comprises (a) configuring a first aqueous solution of catechol-polyamine compound, adding dropwise aqueous ammonia (remaining amount)into the first aqueous solution, adjusting the pH value of the first aqueous solution, (b) ultrasonically cleaning the hollow glass microspheres in a mixed solution of ethanol and acetone, adding graphene oxide, multi-walled carbon tubes and hollow glass microspheres to first solution under stirring conditions, reacting at room temperature for 4-10 hours, polymerizing catechol and polyamine compounds to the surface of hollow glass microspheres under alkaline conditions to form a deposited functional layer, simultaneously adhering tightly and uniformly two thermally conductive filler, multi-walled carbon tube and graphene oxide on the surface of the deposited functional layer to form a uniform heat-conducting shell layer, (c) washing the hollow glass microspheres with deionized water to neutral and vacuum-drying to obtain a surface heat-conducting modified hollow glass microsphere, and (d) mixing PA10T polyamide resin and auxiliary agent, placing into the twin-screw extruder from the main feeding, and adding the modified hollow glass microspheres into the extruder from the side feeding port, where the temperature setting of each zone of the main cylinder from the feeding port to the outlet of the machine head is: 130℃, 265℃, 280℃, 280℃, 280℃, 285℃, 285℃, 290℃, 290℃, 290℃, 290℃, the main cylinder rotating speed is 500 revolutions/minute, melting and extruding, cooling, granulating, and drying.