Preparation method of heat-conducting wave-absorbing powder and heat-conducting wave-absorbing sheet

• Main Authors: CAO SUKAI, WEN HAILIN, WANG ZHEN, DENG AIJUAN, HUANG XIAOLIU, ZHI XIAOHUA
• Format: Patent
• Language: Chinese; English
• Published: 14.05.2024
• Subjects: ADHESIVES; ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; PRINTED CIRCUITS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

The invention discloses a preparation method of heat-conducting wave-absorbing powder and a heat-conducting wave-absorbing sheet, the preparation method comprises the steps of (1) preparation of metal oxide powder and polypyrrole, (2) preparation of Fe-Si-Al, metal oxide powder and polypyrrole core-shell microspheres and the like, and the heat-conducting wave-absorbing powder and the heat-conducting wave-absorbing sheet have the advantages of good wave-absorbing performance, high heat conductivity, good thermal stability and high strength. 本发明公开了一种导热吸波粉及导热吸波片的制备方法，包括（1）金属氧化物粉@聚吡咯制备，（2）铁硅铝@金属氧化物粉@聚吡咯核壳微球制备等步骤，本发明具有良好吸波性能，高导热，热稳定性能好，强度高的优点。