MODIFICATION OF PHTHALIMIDYLPHENOL-FORMALDEHYDE RESINS VIA ESTERIFIATION
Keywords:
NONAbstract
N-(hydroxyphenyl) phthalimides were allowed to condense with formaldehyde in the presence of an acid catalyst to produce three phenol-formaldehyde resins having pendant phthalimides. The prepared phenolic resins were modified by esterification of phenolic hydroxyl groups.Esterification was achieved via treatment of phenolic resins with different acid chlorides in the presence of triethylamine to obtain new resins having new properties in hope to serve new applications.