Cyanuric chloride derivative as well as preparation method and application in anti-wrinkle finishing agent of cyanuric chloride derivative and finishing method of pure silk fabric
A technology of cyanuric chloride derivatives and polycyanuric chloride derivatives, which is applied in fiber treatment, animal fiber, textiles and papermaking, and can solve problems such as loss of strength, high price, and poor washing fastness
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[0049] The present invention also provides a kind of preparation method of above-mentioned cyanuric chloride derivative, comprising:
[0050] Cyanuric chloride (CNC) and iminodiacetic acid (IDA) take place substitution reaction under alkaline condition, generate the cyanuric chloride derivative of formula (I) structure;
[0051] Formula (I);
[0052] In formula (I), R 1 and R 2 Each is independently Cl or N(CH 2 COOH) 2 .
[0053] During the reaction, the function of the base is to neutralize the HCl generated by the reaction, and promote the reaction to move towards the positive reaction direction. Above-mentioned alkali can be NaOH or KOH etc., and the present invention preferably adopts NaOH.
[0054] When R 1 and R 2 All are Cl, that is, when the product is a compound of formula (I a) structure, the preparation method can be specifically:
[0055] At 0°C to 5°C, react cyanuric chloride, iminodiacetic acid and alkali in a solvent with a molar ratio of 1:(0.7~1):(...
Embodiment 1
[0075] Embodiment 1 prepares compound I a
[0076] Add CNC, IDA, NaOH and water to the reaction vessel, the molar ratio of CNC, IDA and NaOH n(CNC):n(IDA):n(NaOH)=1:0.8:2.44. React at 0-5°C for 30min. After the reaction was completed, filter, and the filtrate was acidified with 5 mol / L hydrochloric acid to pH ~ 2, resulting in a large amount of white precipitate, which was filtered, and the filter cake was extracted with ether, and the ether was removed by rotary evaporation to obtain a white solid, which was dried in vacuo. The calculated yield was 22.01%.
[0077] The product obtained in this example is subjected to infrared spectrum analysis, nuclear magnetic resonance analysis, mass spectrometry and elemental analysis successively, and the analysis results are as follows:
[0078] Infrared spectrum analysis result: 3062.5cm -1 It is the stretching vibration association peak of -OH- and methylene, 1716.0cm -1 It is the stretching vibration of carbonyl (C=O) in carboxylic...
Embodiment 2
[0086] Embodiment 2 prepares compound I a
[0087] Add CNC, IDA, NaOH and water to the reaction vessel, the molar ratio of CNC, IDA and NaO n(CNC):n(IDA):n(NaOH)=1:0.8:2.45. React at 0-5°C for 1h. After the reaction was completed, filter, and the filtrate was acidified with 5 mol / L hydrochloric acid to pH ~ 2, resulting in a large amount of white precipitate, which was filtered, and the filter cake was extracted with ether, and the ether was removed by rotary evaporation to obtain a white solid, which was dried in vacuo. The calculated yield was 46.65%.
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