METHOD FOR REDUCING FORMALDEHYDE CONTENT AND FORMALDEHYDE EMISSION FROM PARTICLEBOARD

摘要

The method for reducing formaldehyde content and emission from particleboard according to the invention, where in particleboard manufacturing process carried out in a known standard way; with known run; with the application of known amino adhesive resins; with the addition of known hardening agents and/or possible addition of formaldehyde-bonding substances; pressing in stroke or continuous-run presses and cooling, characteristic in that particleboard after pressing, prior to cooling, is subjected to brief seasoning in 70-110°C for several up to a few dozen hours, preferably from 8-16 hours, depending on the expected reduction rate of formaldehyde content and emission and applied manufacturing process parameters.