Preparation method of quadruple hydrogen bond supramolecular material

By accurately controlling the molar ratio of ureidopyrimidone and diaminotriazine, using mild reaction conditions and appropriate catalysts and precipitants, high-purity, high-performance quadrupolecular supramolecular materials are prepared, which solves the problems of high-temperature long-term reactions, complex synthesis routes and high environmental risks in the prior art, and achieves the improvement of the stability and functionality of the material.

CN119751909APending Publication Date: 2025-04-04HEBEI UNIV OF ENG
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Patent Information

Application Number
CN202411938325.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

The existing preparation methods for quadrupolecular hydrogen bond supramolecular materials have problems such as high temperature long-term reactions, complex synthesis routes, expensive and complex raw materials and high environmental risks, and it is difficult to meet the needs of high performance and low cost.

Method used

The molar ratio of ureidopyrimidinone and diaminotriazine was controlled at 1:0.8-1.2, triethylamine was used as a catalyst, and reacted under mild conditions of 20-50°C. Quadruple hydrogen bonded supramolecular material was prepared by precipitant of methanol or ethanol and vacuum suction filtration, washing, and drying.

Benefits of technology

It improves the purity and performance of the product, reduces the chance of side reactions, reduces the cost of raw materials and environmental burden, ensures the stability and functionality of the material, and is suitable for a variety of application fields.

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Abstract

The invention relates to the technical field of high polymer chemistry, in particular to a quadruple hydrogen bond supramolecular material preparation method, which comprises the following steps: dissolving ureido pyrimidone and diaminotriazine in toluene, chloroform or dimethyl sulfoxide according to a molar ratio of 1: (0.8-1.2) and a concentration sum of 0.5-2.0 mol / L, adding triethylamine which accounts for 0.5-5% of the total mass of the raw materials as a catalyst, stirring and reacting at 20-50 DEG C for 12-72 hours, filtering, washing and drying to obtain the quadruple hydrogen bond supramolecular material. Dropwise adding methanol or ethanol into the reaction solution to precipitate a solid, carrying out suction filtration with a 0.45 [mu] m cellulose ester filter membrane at a speed of 10-15 mL / min, washing with a precipitant for 3-5 times, drying at 40-60 DEG C under a specific vacuum degree for 12-24 hours, and turning over at regular time to make the residual solvent and water content lower than 0.3%. The method has the advantages of remarkable and accurate raw material ratio, mild reaction conditions, proper amount of catalyst, excellent precipitant and fine post-treatment, ensures sufficient reaction of reactants, reduces side reactions, improves the purity performance of the product, reduces the cost, reduces the environmental influence, improves the stability and safety of the material, and has a wide application prospect.
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