Title Direct acetylation of sunflower oil in the presence of boron trioxide catalyst and the adduct usage as the base stock and lubricant additive Type Article Keywords Direct acetylation of sunflower oil in the presence of boron trioxide catalyst and the adduct usage as the base stock and lubricant additive Abstract Direct acetylation of sunflower oil in the presence of boron trioxide catalyst and the adduct usage as the base stock and lubricant additive Researchers javad ashrafi (First researcher)abolfazl semnani (Second researcher)hamiid sakoori (Third researcher)Mahboube Shirani (Fourth researcher)