Preparation of Moistureproof Particleboards Using Modified UF Resin with melanine

摘要

The paper adopted a direct approach of putting melamine inside to modify the UF resin, tested the physical properties of UF adhesive and used DSC method to study the solidifying temperature. The results show that when the molar ratio (F/U) is 1.05 or 1.15 and the addition of melamine is 4% or 8%, the viscosity, solidifying temperature, solidifying time, as well as the application period of modified UF adhesive are suitable for the production of high quality particleboard. When the molar ratio (F/U) is 1.05, the addition of melamine is 4%, particleboard density is 0.80g/cm3, the thickness of particleboard is 12mm and the addition of waterproofing agent is 1%, the performances of particleboard achieve or exceed the standard value.