▎ 摘　　要

NOVELTY - Wave-absorbing coating composition comprises 60-90 pts. wt. resin components, 10-40 pts. wt. wave absorbing agent, 3-10 pts. wt. curing agent, 10-15 pts. wt. calcium brominated lignosulfonate, 200 pts. wt. solvent, and 4-11 pts. wt. auxiliary agent. USE - Wave-absorbing coating composition for wave-absorbing coating and for wave-absorbing material (all claimed). ADVANTAGE - The wave-absorbing coating composition has resin component forms a network interpenetrating structure with calcium brominated lignosulfonate, and on the other hand, by controlling the introduction amount of calcium brominated lignosulfonate, compressive strength retention rate and shear strength retention rate of the wave absorbing material are effectively improved, and the types and amounts of other components are beneficial to improve the structure and crosslinking density of the absorbing coating, as well as the spreading degree and uniformity of the absorbing coating on the wall of the honeycomb core material, and the mechanical properties of the wave absorbing material are also improved, and increasing the compressive strength retention rate and the shear strength retention rate. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: 1. a wave-absorbing paint is prepared by mixing a wave-absorbing coating composition; and 2. a preparation method of a wave absorbing material, which involves impregnating the honeycomb core material with a wave-absorbing coating to obtain an impregnated honeycomb core material, curing the impregnated honeycomb core material to obtain a wave absorbing material.