Synthesis method of phosphate
A synthesis method and phosphoric acid ester technology, which are applied in the fields of phosphorus organic compounds, chemical instruments and methods, and compounds of Group 5/15 elements of the periodic table, etc. Problems such as poor reproducibility of color and luster products, to achieve the effects of product stability, mild conditions and high esterification rate
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[0028]Example 1
[0029]A method for synthesizing phosphate ester, including the following steps: 15kg fatty alcohol polyoxyethylene ether (C12H25(OC2H4)2OH) into the reaction kettle, add 2.7kg P2O5Add the feeding box, set the temperature of the reactor to 40℃, set the feeding box rotation speed 25r / s through the smart display 7, and complete the feeding in 2 hours.2O5During the feeding process, the circulating pump is started at the same time, and the intelligent display 11 controls the speed of the circulating liquid to circulate at 8ml / s, P2O5After the addition, the temperature of the reaction kettle was increased to 70°C, and the reaction was continued for 6 hours, and the reaction was ended to obtain a colorless transparent phosphate.
[0030]QB / T 2949-2008 phosphate ester was used to determine the content of phosphate ester active substance, and the content of phosphate monoester and diester in phosphate ester was detected by potentiometric titration method in "Synthesis of Fatty Al...
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[0031]Example 2
[0032]A method for synthesizing phosphate ester, including the following steps: 6.25kg fatty alcohol polyoxyethylene ether (C12H25(OC2H4)2OH) into the reactor, add 1.25kg P2O5Add the feeding box, set the temperature of the reaction kettle to 50℃, set the feeding box rotation speed 12r / s through the smart display 7, and complete the feeding in 2 hours.2O5During the feeding process, the circulating pump is started at the same time, and the intelligent display screen 11 controls the circulating fluid external circulation speed of 4ml / s, P2O5After the addition, the temperature of the reaction kettle was increased to 80° C., and the reaction was continued for 5 hours to complete the reaction to obtain a colorless phosphate.
[0033]After testing, the obtained phosphoric ester active matter content is 98.2%, of which the phosphoric acid monoester content is 33.4%, the phosphoric acid diester content is 62.7%, and the obtained phosphoric acid ester product is a colorless and tr...
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[0034]Example 3
[0035]A method for synthesizing phosphate esters, including the following steps: 10kg of tristyrenol polyoxyethylene ether (C50H82O17) Into the reactor, add 2kg P2O5Add the feeding box, set the temperature of the reactor to 55℃, set the feeding box rotation speed to 18r / s through the smart display 7, and the feeding is completed in 2 hours.2O5During the feeding process, the circulating pump is activated at the same time, and the intelligent display screen 11 controls the circulating fluid external circulation speed of 6ml / s, P2O5After the addition, the temperature of the reaction kettle was increased to 85°C, and the reaction was continued for 7 hours to complete the reaction to obtain a light yellow phosphate.
[0036]After testing, the obtained phosphoric acid ester active matter content is 83.2%, of which the phosphoric acid monoester content is 27.4%, the phosphoric acid diester content is 52.1%, and the obtained phosphoric acid ester product is a light yellow soluti...
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