国产一区二区黄色,日韩欧美在线免费观看,性生交大片免费观看1,欧美在线一区二区三区四区

順酐由苯經(jīng)催化氧化或由丁烯或丁烷用空氣氧化而制得，溶于乙醇、乙醚和丙酮，難溶于石油醚和四氯化碳，與熱水作用而成馬來酸;

Maleic anhydride is produced by catalytic oxidation of benzene or oxidation of butene or butane with air. It is soluble in ethanol, ether, and acetone, but insoluble in petroleum ether and carbon tetrachloride. It reacts with hot water to form maleic acid;

順酐的外觀是白色片狀結(jié)晶，有粉末狀、針狀、片狀、丸狀、棒狀、團(tuán)塊狀或熔融物質(zhì)，相對密度是1.480，熔點(diǎn)在52.8°℃，沸點(diǎn)是202.2℃，閃點(diǎn):110.0°℃。

The appearance of maleic anhydride is a white crystalline flake, with powder, needle, flake, pellet, rod, clump or molten substances. The relative density is 1.480, the melting point is 52.8 ° C, the boiling point is 202.2 ° C, and the flash point is 110.0 ° C.

順酐的作用:用于雙烯合成、制藥物、農(nóng)藥、染料中間體及制聚酯樹脂、醇酸樹脂、馬來酸等有機(jī)酸，也用作脂肪和油防腐劑等，不飽和聚酯樹脂、醇酸樹脂、、長效碘胺的原料。也是涂料、馬來松香、聚馬來酐、順酐-苯乙烯共聚物的共聚單體，也是油墨助劑、造紙助劑、增塑劑、酒石酸、富馬酸、四氫呋喃等的有機(jī)化工原料。

The function of maleic anhydride: used in the synthesis of dienes, pharmaceuticals, pesticides, dye intermediates, as well as in the production of organic acids such as polyester resin, alkyd resin, maleic acid, etc. It is also used as a preservative for fats and oils, and as a raw material for the production of unsaturated polyester resin, alkyd resin, and long-acting iodoamine. It is also a comonomer of coatings, maleic rosin, polymaleic anhydride, and maleic anhydride styrene copolymers. It is also an organic chemical raw material for the production of ink additives, papermaking additives, plasticizers, tartaric acid, fumaric acid, tetrahydrofuran, and other chemicals.

有了 順酐廠家上面的小總結(jié)，希望對廣大客戶有所幫助，如果有什么不理解的或者尋求幫助的請點(diǎn)擊我們的網(wǎng)站：http://cursosgold.com或者來電咨詢，我們會盡全力為您解決

With the summary above from the manufacturers of maleic anhydride, we hope it can be helpful to our customers. If you have any questions or need help, please click on our website: http://cursosgold.com Or call to inquire, we will do our best to solve it for you