1.主要用于不饱和聚酯树脂、醇酸树脂、农药马拉硫磷、低毒农药4049、长效碘胺的原料。也是涂料、马来松香、聚马来酐、顺酐-苯乙烯共聚物。也是油墨助剂、造纸助剂、增塑剂和酒石酸、富马酸、四氢呋喃等的有机化工原料。用作环氧树脂的固化，在有机合成中可用于制造丁二酸、丁二酸酐等。在医药工业中用作制造长效磺胺等药物。食品工业中用于制造酸味剂苹果酸及酒石酸等。
1. It is mainly used in the production of unsaturated polyester resin, alkyd resin, malathion, 4049 and long-acting iodamine. It is also coating, maleic rosin, polymaleic anhydride, maleic anhydride styrene copolymer. It is also an organic chemical raw material for the production of ink additives, paper additives, plasticizers and tartaric acid, fumaric acid, tetrahydrofuran, etc. It can be used as curing agent of epoxy resin, succinic acid and succinic anhydride in organic synthesis. In the pharmaceutical industry, it is used to manufacture long-acting sulfonamides and other drugs. In the food industry, it is used to make sour agents such as malic acid and tartaric acid.
用作环氧树脂的固化剂。本品是重要的基本有机原料之一，主要用于制不饱和聚酯树脂、醇酸树脂、尼龙-4等，也是纸张处理剂、胶黏剂、油墨、油漆、剂、除草剂、杀虫剂、植物生长调节剂的主要原料。
Used as curing agent of epoxy resin. This product is one of the important basic organic raw materials. It is mainly used for making unsaturated polyester resin, alkyd resin, nylon-4, etc. it is also the main raw material for producing paper treatment agent, adhesive, ink, paint, bactericide, herbicide, insecticide, plant growth regulator.
2.测定具有共轭双键有机化合物的试剂。也用于合成树脂、涂料、农药、医药、食品、及润滑油添加剂等。
2. Reagents for the determination of conjugated double bond organic compounds. It is also used in synthetic resin, coating, pesticide, medicine, food, lubricating oil additive, etc.
3.用于有机合成，合成纤维中间体。用作分析试剂，如测定具有共轭双键有机化合物的试剂。
3. Used in organic synthesis, synthetic fiber intermediates. Used as an analytical reagent, such as for the determination of organic compounds with conjugated double bonds.
4.用作环氧树脂的固化剂，参考用量19～27质量份，因反应性和挥发性大，不宜单独使用，多与他酸酐或增韧剂（如均苯四酸二酐）混熔使用。固化条件160～200℃/(2～4h)。也可用于与EVA和PE共混物接枝，制备热熔胶新型聚合物，提高黏合力。
4. As curing agent of epoxy resin, the reference dosage is 19-27 phr. Because of high reactivity and volatility, it is not suitable to be used alone. It is often mixed with other anhydride or toughening agent (such as pyromellitic dianhydride). The curing conditions were 160-200 ℃ (2-4h). It can also be used to graft EVA and PE blends to prepare new hot melt adhesive polymers and improve the adhesion.
还可用作丙烯酸酯乳液的改性单体及与SBS接枝。在有机合成中可用于制造丁二酸、丁二酸酐、γ-丁内酯、四氢呋喃、丁二酰亚胺、丁二酰氯、不饱和聚酯树脂、顺丁烯二酸二丁酯（增塑剂）等产品。农药工业中用于制造马拉硫磷、马来酰肼及剂、除草剂等。在医药工业中用于制造长效磺胺、氨茶碱等药物。食品工业中用于制造酸味剂苹果酸及酒石酸等。还用作造纸施胶剂、润滑油降凝剂、水质稳定剂、油墨添加剂、织物柔软整理剂及用于制造表面活性剂等。
It can also be used as a modified monomer for the production of acrylate emulsion and grafting with SBS. In organic synthesis, it can be used to produce succinic acid, succinic anhydride, γ - butyrolactone, tetrahydrofuran, succinimide, succinyl chloride, unsaturated polyester resin, dibutyl maleate (Plasticizer) and other products. In pesticide industry, malathion, maleic hydrazide, fungicide and herbicide are used. In the pharmaceutical industry, it is used to manufacture long-acting sulfanilamide, aminophylline and other drugs. In the food industry, it is used to make sour agents such as malic acid and tartaric acid. It is also used as paper sizing agent, lubricating oil pour point depressant, water quality stabilizer, ink additive, fabric softening agent and surfactant.
