Hexafluoropropylene-based quaternary ammonium salt cationic surfactant, synthesizing method and use
A technology of surfactant and base quaternary ammonium salt, which is applied in the field of perfluoropropenyl quaternary ammonium salt cationic surfactant and its synthesis, can solve the problems of limiting cationic surfactant and the like, and achieves good water solubility, easy control and synthesis simple method effect
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Example Embodiment
[0023] Example one:
[0024]
[0025] Will C 7 F 15 COOCH 3 (42.8g, 0.10mol) and H 2 NCH 2 CH 2 N(C 2 H 5 ) 2 15.6g, 0.12mol) was added to the reaction flask, heated to 90~120℃ for reaction while stirring, the methanol produced during the reaction was distilled off at the same time, and the excess ethyldiamine compound H was distilled off under reduced pressure. 2 NCH 2 CH 2 N(C 2 H 5 ) 2 , That is, the corresponding amide C 7 F 15 CONHCH 2 CH 2 N(C 2 H 5 ) 2 Crude. The crude product is distilled under reduced pressure, and the fractions in the range of 140~160℃ / 20mmHg are collected to obtain amide C. 7 F 15 CONHCH 2 CH 2 N(C 2 H 5 ) 2 The refined product is 46.5g, and the yield is 93.0%.
[0026] The amide C7F obtained by the above reaction 15 CONHCH 2 CH 2 N(C 2 H 5 ) 2 Add to the reaction flask, keep the reaction temperature between -5℃~10℃ under the condition of ice bath cooling, slowly add 3-bromopropene dropwise with stirring, after the addition, heat to 50℃~100℃ for react...
Example Embodiment
[0027] Embodiment two:
[0028]
[0029] Will C 7 F 15 COOCH 3 (42.8g, 0.10mol) and H 2 NCH 2 CH 2 N(CH 3 ) 2 12.5g, 0.12mol) was added to the reaction flask, heated to 90~120℃ for reaction while stirring, and the methanol produced during the reaction was distilled off at the same time, and the excess methyldiamine compound H was distilled off under reduced pressure. 2 NCH 2 CH 2 N(CH 3 ) 2 , That is, the corresponding amide C 7 F 15 CONHCH 2 CH 2 N(CH 3 ) 2 Crude. The crude product is distilled under reduced pressure, and the fractions in the range of 130~155℃ / 20mmHg are collected to obtain amide C. 7 F 15 CONHCH 2 CH 2 N(CH 3 ) 2 The refined product is 50.5g, and the yield is 95.0%.
[0030] The amide C obtained by the above reaction 7 F 15 CONHCH 2 CH 2 N(CH 3 ) 2 Add to the reaction flask, keep the reaction temperature between -5°C and 10°C under ice-bath cooling, slowly add 3-chloropropene dropwise with stirring, and after the addition, heat to 50°C to 100°C for reaction Af...
Example Embodiment
[0031] Embodiment three:
[0032]
[0033] Will C 8 F 17 O 2 COOCH 3 (51.0g, 0.10mol) and H 2 NCH 2 CH 2 N(CH 3 ) 2 12.5g, 0.12mol) was added to the reaction flask, heated to 90~120℃ for reaction while stirring, and the methanol produced during the reaction was distilled off at the same time, and the excess methyldiamine compound H was distilled off under reduced pressure. 2 NCH 2 CH 2 N(CH 3 ) 2 , That is, the corresponding amide C 7 F 15 CONHCH 2 CH 2 N(CH 3 ) 2 Crude. The crude product is distilled under reduced pressure, and the fractions in the range of 130~170℃ / 20mmHg are collected to obtain amide C 8 F 17 O 2 CONHCH 2 CH 2 N(CH 3 ) 2 The refined product is 55.3g, and the yield is 91.0%.
[0034] The amide C obtained by the above reaction 8 F 17 O 2 CONHCH 2 CH 2 N(CH 3 ) 2 Add to the reaction flask, keep the reaction temperature between -5℃~10℃ under the condition of ice bath cooling, slowly add 3-chloropropene dropwise with stirring, after the addition, heat to 50℃~100℃ fo...
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