▎ 摘　　要

NOVELTY - A heat sink coating comprises 30-45 pts. wt., preferably 36 pts. wt. phosphoric acid acrylate, 20-30 pts. wt., preferably 24 pts. wt. ketone-aldehyde resin, 7-11 pts. wt., preferably 10 pts. wt. amino resin, 6-14 pts. wt., preferably 9 pts. wt. epoxy resin, 7-13 pts. wt., preferably 11 pts. wt. modified diatomaceous earth, 3-8 pts. wt., preferably 5 pts. wt. aluminum nitride, 2-5 pts. wt., preferably 3.2 pts. wt. silica, 3-6 pts. wt., preferably 4.3 pts. wt. calcium oxide, 2-4 pts. wt., preferably 2.8 pts. wt. carbon nanotubes, 5-9 pts. wt., preferably 7 pts. wt. graphene oxide, 2-4 pts. wt., preferably 3.2 pts. wt. calcium stearate, 3-5 pts. wt., preferably 3.9 pts. wt. propylene glycol, 2-4 pts. wt., preferably 3.2 pts. wt. tributyl citrate, 1-3 pts. wt., preferably 2 pts. wt. UV absorber and 2-3 pts. wt., preferably 2.4 pts. wt. defoamer. USE - Heat sink coating for server cabinet and electronic equipment. ADVANTAGE - The heat sink coating has The invention can effectively reduces the temperature of surface of the server cabinet, improves the heat dissipation efficiency of server cabinet, and improves the reliability and service life of electronic equipment. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of heat sink coating, which involves (1) weighing all the raw materials, (2) uniformly mixing phosphoric acid acrylate, ketone-aldehyde resin, amino resin and epoxy resin, heating at 65 degrees C and stirring at 500 rpm for 1 hour to obtain mixture (A), (3) sequentially adding calcium stearate, propylene glycol, tributyl citrate, UV absorber and defoamer to mixture (A), heating at 80 degrees C, stirring for 30 minutes and grinding to obtain mixture (B), (4) sequentially adding modified diatomaceous earth, aluminum nitride, silicon dioxide, calcium oxide, carbon nanotubes and graphene oxide to mixture (B), and dispersing in ultrasonic disperser.