MODIFIED RESIN FROM CASHEW NUT SHELL LIQUID AND METHOD OF MANUFACTURING THE SAME

摘要

The present invention comprises a novel process for the manufacture of Cashew Nut Shell liquid (CNSL) based resin modified with phenol / substituted phenols. The novel resin composition is produced by a controlled reaction of CNSL (25 - 50 wt. %),aldehyde / aldehyde releasers (5 - 15 wt %)and phenol (5 - 15 wt %) in presence of alkaline catalyst (0 -10 wt.%) at temperatures between 40ºC and 180ºC. The water resistance, adhesion and corrosion resistance of the resultant resin makes it suitable for use in formulating anticorrosive primer, enamels, waterproof coatings and other paints.