anhydride manufacturing MTHPA production process, the separation process includes: 1) the waste into the distillation column distillation rectification to remove the light components ; 2) process 1 column reactor to be extracted material into the extractive distillation column distillation, the tower was ...
This invention relates to a process for the manufacture of artificial resins which are obtained by causing phthalic anhydride, glycerine and castor oil to react by the application of heat. It has already been proposed to prepare resins by combining these three components; particularly insoluble... ...
1.PREPARATION OF 4-HYDROXYPHTHALIC ANHYDRIDE BY AN ALKALI MELT PROCESS FROM 4-CHLOROPHTHALIC ANHYDRIDE;4-氯代苯酐碱熔融法制备4-羟基苯酐 2.production line and technology for manufacturing phthalic anhydride苯酐生产技术及设备 3.The Dynamic Simulation of O-Xylene Oxidation to Phthalic Anhydride;邻二甲苯...
Application Plasticizer Manufacturing Raw Material.Curing agent for epoxy resin etc. Phthalic anhydride uses 1.Phthalic anhydride is one of the most important organic chemical raw materials, and its main derivatives are dibutyl phthalate; Dioctyl ester and dii...
1.Phthalic anhydride is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid. 2. It was the first anhydride of a dicarboxylic acid to be used commercially. 3.This colourless...
Phthalic anhydride 1.2 Synonyms 1,2-Benzenedicarboxylic Anhydride 1,3-dihydro-2h-imidazol-2-on 1,3-dihydro-2H-imidazol-2-one 1,3-DIHYDRO-IMIDAZOL-2-ONE 1,3-dihydroimidazolone 1,3-dihydroisobenzofuran-1,3-dione 1,3-isobenzofurandione 1H-imidazol-2(3H)-one 2(3H)-Oxo-1H-imidazole 2,3...
1, Methyl methacrylate; 2, xylene; 3, phthalic anhydride; 4, drying oils. Beverage container paint The paint pyrolysed to produce the chromatogram in Figure 10 was scraped from an aluminium can which contained a carbonated soft drink. The paint was formulated using mostly methyl met...
Discover the factors influencing phthalic anhydride (PA) markets As it’s widely used in the production of plasticizers and pigments and unsaturated polyester resins, the range of end product applications which require phthalic anhydride (PA) is vast. These products frequently end up in high volume...
6,984,289 B2 relates to a process for the production of phthalic anhydride by the oxidation of ortho-xylene with air and with a loading of 80 g to 100 g of ortho-xylene per Nm3 of air. This higher loading is said to be made possible by complete evaporation followed by superheating of...
In the production of phthalic anhydride by the oxidation of ortho-xylene with air, the ortho-xylene loading is increased without increasing the likelihood of explosion by insulating