顺酐是一种化学物质,它可以用于制造各种化学品。顺酐的用途有很多,如制造工业醇、农药、化妆品等。

Maleic anhydride is a chemical substance that can be used to manufacture various chemicals. Maleic anhydride has many uses, such as manufacturing industrial alcohols, pesticides, cosmetics, etc.

　　1：顺酐的分类：

1: Classification of maleic anhydride:

　　顺酐主要分为两类，一类是脂肪酸酐，另一类是醇酐。

Maleic anhydride is mainly divided into two categories, one is fatty acid anhydride, and the other is alcohol anhydride.

　　脂肪酸酐是以脂肪酸为原料，经过酸水解、氢化或氢解、碱水解得到；醇酐是以醇为原料，经过酸水解、氢化或氢解、碱水解得到。其中脂肪酸酐主要有环氧乙烷、丙烯酸酐、丁二烯酸酐、酚、己二酸酐等；

Fatty acid anhydrides are obtained from fatty acids as raw materials through acid hydrolysis, hydrogenation or hydrolysis, and alkaline hydrolysis; Alcohol anhydrides are obtained from alcohols as raw materials through acid hydrolysis, hydrogenation or hydrolysis, and alkaline hydrolysis. Among them, fatty acid anhydrides mainly include ethylene oxide, acrylic anhydride, butadiene anhydride, phenol, adipic anhydride, etc;

　　醇酐主要有乙醇酐、丙醇酐、异丙醇酐、甲醇酐。

Alcohol anhydrides mainly include ethanol anhydrides, propanol anhydrides, isopropanol anhydrides, and methanol anhydrides.

　　2：顺酐的用途：

2: The use of maleic anhydride:

　　顺酐主要是用作医药中间体，也可以作为农药、染料、涂料、油墨、橡胶、橡塑树脂、分散剂、聚合物等的生产原料。顺酐广泛应用于医药工业，主要用于制备抗生素、降血脂药物、镇痛药、解热镇痛药、抗癌药物、抗心律失常药物、抗过敏药物、麻醉药物等。顺酐也应用于农药工业，主要用于制备杀虫剂、杀菌剂、除草剂、植物生长调节剂等。

Maleic anhydride is mainly used as a pharmaceutical intermediate and can also be used as a raw material for the production of pesticides, dyes, coatings, inks, rubber, rubber resins, dispersants, polymers, etc. Maleic anhydride is widely used in the pharmaceutical industry, mainly in the preparation of antibiotics, lipid-lowering drugs, analgesics, antipyretics and analgesics, anticancer drugs, antiarrhythmic drugs, antiallergic drugs, anesthetic drugs, etc. Maleic anhydride is also used in the pesticide industry, mainly in the preparation of insecticides, fungicides, herbicides, plant growth regulators, etc.

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