CPC C09J 163/00 (2013.01) [B05D 1/18 (2013.01); B05D 3/007 (2013.01); C08J 7/00 (2013.01); C09J 9/00 (2013.01); C09J 11/04 (2013.01); H05K 9/0081 (2013.01); B05D 2201/02 (2013.01); B05D 2504/00 (2013.01); C08G 59/245 (2013.01); C08G 59/502 (2013.01); C08G 59/5033 (2013.01); C08K 3/04 (2013.01); C08L 83/12 (2013.01); C09J 2301/50 (2020.08)] | 9 Claims |
1. A preparation method of a wave-absorbing honeycomb, wherein the preparation method comprises:
dipping a honeycomb into a wave-absorbing impregnation glue liquid, taking out the dipped honeycomb, and then curing them, so as to obtain a wave-absorbing honeycomb; wherein the wave-absorbing impregnation glue liquid comprises:
two-component epoxy resin;
a solvent;
a polyether siloxane; and
a carbon powder;
wherein a mass ratio of the two-component epoxy resin to the solvent is 1:3˜1:5, a mass ratio of the two-component epoxy resin to the carbon powder is 3:1˜6:1, and a mass fraction of the polyether siloxane in the wave-absorbing impregnation glue liquid is 0.05%˜0.2%.
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