顺丁烯二酸酐的用途

The uses of maleic anhydride

　　制造聚酯树脂、醇酸树脂、农药、富马酸、纸张处理剂等。 顺酐是重要的有机化工中间体，可用于制作塑料工业中的增塑剂；造纸业中的纸张处理剂；合成树脂产业中的不饱和聚脂树脂；涂料业中的醇酸型涂料；农药中的马拉硫磷的合成；医药产业中磺胺药品的等。

Manufacturing polyester resin, alkyd resin, pesticides, fumaric acid, paper processing agents, etc. Maleic anhydride is an important organic chemical intermediate that can be used to produce plasticizers in the plastic industry; Paper processing agents in the paper industry; Unsaturated polyester resin in the synthetic resin industry; Alkyd coatings in the paint industry; The synthesis of malathion in pesticide production; The production of sulfonamide drugs in the pharmaceutical industry.

　　近年来以其为主要原材料的丁二酸、酒石酸产业迅速扩大，其在工程建筑、食品调味剂、生物拆分剂等领域的应用得以不断扩大。

In recent years, the industries of succinic acid and tartaric acid, which are mainly used as raw materials, have rapidly expanded, and their applications in engineering construction, food seasoning agents, biological separators, and other fields have been continuously expanding.

　　顺丁烯二酸酐的物化性质

Physical and chemical properties of maleic anhydride

　　常温下白色颗粒状、针状、片状、棒状、块状或块团状，具有强刺激性。相对密度1.48，熔点52.8℃，沸点202.2℃，在较低温度下(60-80℃)也能升华，能溶于醇、乙醚和丙酮，与水作用生成顺丁烯二酸。可燃、其蒸汽和粉尘与空气混合，可形成爆炸混合物。

At room temperature, white particles, needles, flakes, rods, blocks, or clumps are highly irritating. Relative density 1.48, melting point 52.8 ℃, boiling point 202.2 ℃. It can sublimate at lower temperatures (60-80 ℃) and is soluble in alcohols, ether, and acetone. It reacts with water to form maleic acid. Combustible, its vapor and dust can mix with air to form explosive mixtures.

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