▎ 摘　　要

NOVELTY - Adhesive comprises 0.1-0.3 wt.% nano iron oxide, 2-5 wt.% silane coupling agent, 25-40 wt.% expanded vermiculite powder, 12-18 wt.% sodium metasilicate, 0.2-0.5 wt.% graphene oxide and remainder of unsaturated polyester resin. USE - The adhesive is used for smokeless machine-made charcoal. ADVANTAGE - The adhesive achieves the smokeless effect, and has short carbonization time in the preparation process of machine-made charcoal, excellent economic benefit and high yield of machine-made charcoal.