| abstract |
The invention relates to the technical field of insulating and heat-dissipating materials, in particular to an insulating and heat-dissipating composition, an insulating and heat-dissipating film and a preparation method of an insulating and heat-dissipating mask, wherein the insulating and heat-dissipating composition comprises the following raw materials in parts by weight: 60-80 parts of epoxy resin, 20-35 parts of tung oil, 40-50 parts of cross-linked polyethylene resin, 10-15 parts of polyurethane resin, 30-40 parts of heat-conducting insulating filler, 10-20 parts of moisture retention aid, 11-19 parts of plasticizer, 12-20 parts of silicon dioxide, 11-16 parts of sericite powder, 9-12 parts of curing agent, 5-10 parts of coupling agent and 25-36 parts of cosolvent. |