采用分子修饰法制备了豆油脂肪酸酐修饰的茶多酚，通过红外光谱对分子修饰的茶多酚进行了结构表征。
Bean oil acid radical capped tea polyphenols were prepared using modification method. The structure of the prepared product was characterized by infrared spectroscopy.
采用蒸汽闪爆技术对天然纤维素进行改性，并利用改性后的纤维素、乙酸酐和脂肪酸合成长支链纤维素酯。
In this paper, natural cotton cellulose was modified by the steam explosion, modified cellulose, acetic anhydride and fatty acids have been used to synthesize the long chain cellulose ester.
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