PROCESS FOR THE PREPARATION OF A FULLY HYDROLYZED POLYVINYL ALCOHOL MODIFIED MELAMINE-FORMALDEHYDE RESIN FOR APPLICATION IN DECORATIVE LAMINATES

摘要

ABSTRACT OF THE DISCLOSUREA process for preparing a fully hydrolyzed poly-vinyl alcohol modified melamine-formaldehyde resin usefulin decorative laminates is disclosed. The process comprisesreacting melamine, formaldehyde, and fully hydrolyzed poly-vinyl alcohol at 80-90°C. until the reaction product has awater tolerance of about 300% to 1000% in 5°C. water. Themole ratio of melamine to formaldehyde is from about 1:1.5to about 1:1.8, respectively.