FIELD: chemistry.
SUBSTANCE: invention relates to making adhesives based on carbamide-formaldehyde resins, used in wood-working industry when making chaff plates. An adhesive is described, which contains carbamide-formaldehyde resin, acid hardener and modifier - butanol-1 in amount of 1-2 pts. wt per 100 pts. wt of the liquid resin.
EFFECT: adhesive provides for uniform resin formation by boon particles when making chaff plates and improved physical and mechanical properties of the end product.
1 cl, 1 dwg, 2 tbl, 5 ex
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Authors
Dates
2009-12-27—Published
2008-04-21—Filed