| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: adhesive composition contains carbamide-formaldehyde resin, NH4Cl hardener and active filler. The active filler used in the composition is schungite sorbent. ^ EFFECT: low toxicity of glued wood materials, high strength of the adhesive joint, low water-absorption and water-swelling, shorter hardening time of the adhesive composition, high efficiency of pressure equipment. ^ 2 cl, 5 tbl, 1 ex |
