1、不饱和聚酯树脂：由于顺酐含有双键，可以与多种单体如苯乙烯、甲基丙烯酸甲酯等进行加成反应，生成高分子化合物。通过精确的配方和工艺控制，可以得到各种性能要求的不饱和聚酯树脂，广泛应用于涂料、粘合剂、玻璃钢等领域。

1. Unsaturated polyester resin: Due to the presence of double bonds in maleic anhydride, it can undergo addition reactions with various monomers such as styrene and methyl methacrylate to form polymer compounds. Through precise formulation and process control, unsaturated polyester resins with various performance requirements can be obtained, which are widely used in fields such as coatings, adhesives, and fiberglass reinforced plastic.

2、溶剂和引发剂：顺酐的化学性质使其可以用作溶剂，它能溶解多种物质，特别是一些难以溶解的物质。此外，由于其引发聚合反应的特性，它还可以用作引发剂，如用于引发丙烯酸酯等单体的聚合。

2. Solvent and initiator: The chemical properties of maleic anhydride make it suitable for use as a solvent, as it can dissolve various substances, especially those that are difficult to dissolve. In addition, due to its ability to initiate polymerization reactions, it can also be used as an initiator, such as for initiating the polymerization of monomers such as acrylic esters.

3、塑料添加剂：在塑料加工中，顺酐可以作为添加剂，改善塑料的加工性能、耐热性、耐化学腐蚀性等。通过与其他添加剂的配合使用，可以制造出性能的塑料产品。

3. Plastic additives: In plastic processing, maleic anhydride can be used as an additive to improve the processing performance, heat resistance, chemical corrosion resistance, and other properties of plastics. By combining with other additives, high-performance plastic products can be manufactured.

4、医药合成：在医药行业中，顺酐是药物合成的关键原料之一。它可以合成多种药物，如维生素A、D等，为人类的健康做出了贡献。此外，顺酐还用于合成一些抗生素和药等。

4. Pharmaceutical synthesis: In the pharmaceutical industry, maleic anhydride is one of the key raw materials for drug synthesis. It can synthesize various drugs such as vitamin A, D, etc., making contributions to human health. In addition, maleic anhydride is also used to synthesize some antibiotics and anti-inflammatory drugs.

5、其他化工产品：除了上述应用外，顺酐还可以用作香料、农药、染料等化工产品的原料。通过与其他化合物的反应，可以制造出各种精细化工产品。

5. Other chemical products: In addition to the above applications, maleic anhydride can also be used as a raw material for the production of chemical products such as spices, pesticides, dyes, etc. By reacting with other compounds, various fine chemical products can be manufactured.

然而，需要注意的是，顺酐是一种有毒物质，长期接触或误用可能对健康造成影响。因此，在操作顺酐时应采取严格的防护措施，确保工作人员的与健康。同时，为了确保顺酐的应用效果和性，建议在人员的指导下进行相关操作。

However, it should be noted that maleic anhydride is a toxic substance, and long-term exposure or misuse may have an impact on health. Therefore, strict protective measures should be taken when operating maleic anhydride to ensure the safety and health of workers. At the same time, in order to ensure the application effect and safety of maleic anhydride, it is recommended to carry out relevant operations under the guidance of professionals.