Influences of some manufacturing factors on the important quality properties of melamine-impregnated papers

In this study, effects of urea formaldehyde–melamine formaldehyde resins pick-up percentages, raw paper weight, impregnation/coating process and total resin pick-up (TRPU) percentage on the resistances to the scratch (SR), abrasion (AR) cigarette burns and staining of melamine-impregnated papers (melamine coaters) were investigated. As the urea formaldehyde resin pick-up in the impregnation was increased, the scratch and abrasion properties significantly decreased. Raw paperweight did not affect these properties, statistically. Increasing the TRPU improved the SR and AR. One-step process had higher SR and AR values than those of two-step process. Impregnation process caused important changes in the resistances to the staining and cigarette burns.