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The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent. 通過(guò)對(duì)其?；矸治?選用乙酰氯作?；瘎⒍燃淄樽黪；軇?測(cè)定含環(huán)氧基聚酯的羥值。
Manufacturing technology of acetifier for 25kt/a acetic silk for cigarette 25kt/a煙用醋酸絲醋化器制造技術(shù)