Producing working materials from wooden - chips

摘要

Chipwood working materials are produced by pressing the chips or other comminuted cellulose-contng. product obtained from plant raw materials, with sulphite washings as a binder. 10-30% amino-plastic condensate are added to the binder in accordance with DT1223534. The chips have an aqueous dispersion of phenoplastic condensate, and the quantity of these chips having amino-plastic condensate amount to 10-50% of the total quantity.