马来酸酐（MA）属于一类被称为环状二羧酸酐的单体。它通常用于聚合反应，以生产各种类型的聚合物，如聚（马来酸酐）（PMA）、马来酸酐基树脂和马来酸酐-丁二烯共聚物（MABS）等。这些基于MA的聚合物在各种领域中都有应用，包括聚合物共混物和涂层、环氧树脂、半导体器件、二次电池、锂离子电池、树脂薄膜、玻璃纤维、涂层、包装、水处理和药物输送系统。此外，MA可以接枝到其他聚合物上，以增强其性能和与其他材料的兼容性。接枝聚合物可应用于汽车、包装和建筑行业。由于马来酸酐具有反应性双键和反应性酸酐基团，因此马来酸酐也可在各种抗菌聚合物的开发中用作电子受体单体。马来酸的结构由四个碳分子以及两端的羧酸基团组成，中心碳原子之间有一个双键。马来酸酐在其环状分子中具有五个原子，不饱和键在引发剂存在下经历自由基聚合。 应用 马来酸酐可用作单体： 在高密度聚乙烯（HDPE）的接枝过程中，通过单体微胶囊化技术，可以将增强的功能和改进的性能引入聚合物中，用于功能涂层、膜或表面处理、粘合剂和涂层。 在聚乳酸（PLA）的功能化中，并在天然纤维生物复合材料中充当偶联剂。功能化改善了PLA和天然纤维之间的相容性和界面粘附，从而增强了所得到的生物复合材料的机械性能并扩大了其应用范围。 马来酸酐可用于合成不饱和聚酯树脂和用作合成重要产品的反应物，例如农业化学品、润滑剂添加剂，和食品酸化剂。 Maleic anhydride (MA) belongs to the class of monomers known as cyclic dicarboxylic anhydrides. It is commonly used in polymerization reactions to produce various types of polymers such as poly(maleic anhydride) (PMA), maleic anhydride-based resins, and maleic anhydride-butadiene copolymers (MABS), etc. These MA-based polymers find applications in various fields including, polymer blends and coatings, epoxy resins, semiconductor devices, secondary batteries, lithium-ion batteries, resin films, glass fiber, coatings, packaging, water treatment, and drug delivery systems. Additionally, MA can be grafted onto other polymers, to enhance their performance and compatibility with other materials. Grafted polymers find applications in the automotive, packaging, and construction industries. Maleic anhydride is also used as an electron-acceptor monomer in the development of various antimicrobial polymers due to their reactive double bonds and reactive anhydride groups.The structure of maleic acid consists of four carbon molecules along with carboxylate groups on either ends, with a double bond between the central carbon atoms. The anhydride of maleic acid has five atoms in its cyclic molecule, the unsaturated bond undergoes free radical polymerization in the presence of an initiator.
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Maleic anhydride
Dangerous GoodsCAS number：108-31-6 molecular formula：C4H2O3
overview
compound introduction
Specs
| Chinese alias | 2,5-呋喃二酮 | 马来酸酐 | 顺酐 | ||
| English alias | cis-Butenedioic anhydride | 2,5-Furandione | 2,5-furandion | DTXCID804166 | J-521668 | Maleic anhydride, 99% | NSC137653 | NSC-137653 | ||
| CAS number | 108-31-6 | molecular formula | C4H2O3 |
| molecular weight | 98.06 g/mol | Exact mass | AR |
| PSA | 43.400 Ų | logp | -0.100 |
numbering system
No numbering system information yet
physicochemical properties
No physical and chemical property information yet
Safety information
pictogram：
GHS08 , GHS05 , GHS07
Signal word：
Danger
Hazard Statement：
H314: 造成严重的皮肤灼伤和眼睛损伤 H302: 吞食有害 H318: 造成严重的眼睛损伤 H317: 可能引起皮肤过敏反应 H334: 吸入可能引起过敏或哮喘病症状或呼吸困难 H372: 通过长时间或反复暴露对器官造成损害
Statement of Preventive Measures：
P261: 避免吸入灰尘/烟雾/气体/雾/蒸汽/喷雾 P280: 戴防护手套/穿防护服/戴防护眼罩/戴防护面具。 P302+P352: 如皮肤沾染：用水充分清洗。 P321: 特殊处理（请参阅此标签上的...）。 P405: 密闭存放 P501: 将内容物/容器处理到。。。 P264: 处理后要彻底洗手。 P260: 不要吸入灰尘/烟雾/气体/雾/蒸汽/喷雾。 P284: 如果通风不良，请佩戴呼吸防护装置。 P270: 使用本产品时，请勿进食、饮水或吸烟。 P301+P330+P331: 如误吞咽：漱口。
WGK Germany：
1
Personal protective equipment：
Eyeshields,Faceshields,full-face particle respirator type N100 (US),Gloves,respirator cartridge type N100 (US),type P1 (EN143) respirator filter,type P3 (EN 143) respirator cartridges
RTECS：
ON3675000
UN Number：
2215
General hazardous chemicals：
一般危化品
Packing Group：
III
Production methods and uses
No production method and use information yet
Related
upstream information
No upstream information yet
downstream information
No downstream information yet
MSDS
Found 1 shareMSDS
108-31-6 | maleic anhydride | buthudioic anhydride
