N-isopropylcyclohexylamine-containing supramolecular phase material and preparation method and application thereof
A technology of isopropylcyclohexylamine and phase change materials, which is applied in the field of phase change materials, can solve the problems of low phase transition temperature and small phase transition enthalpy, and achieves fast phase transition speed, good plastic crystallinity and high product purity. Effect
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Embodiment 1
[0056] The preparation process of N-isopropylcyclohexylamine-trifluoroacetic acid supramolecular phase change material: 3mmol N-isopropylcyclohexylamine and 10mL deionized water (or deionized water / methanol volume ratio 1:1, deionized Deionized water / ethanol volume ratio 1:1, deionized water / ethyl acetate volume ratio 1:1, deionized water / acetone volume ratio 1:1) were mixed, and 3 mmol trifluoroacetic acid was added while stirring. The mixed solution was stirred for 10 min, filtered to obtain a clear solution, volatile and grown at normal temperature and pressure, and colorless transparent crystals were obtained after standing for ten days.
Embodiment 2
[0058] The preparation process of N-isopropylcyclohexylamine-trifluoromethanesulfonic acid supramolecular phase change material is as follows: 3mmol N-isopropylcyclohexylamine and 10mL deionized water (or deionized water / methanol volume ratio 1 : 1, deionized water / ethanol volume ratio 1:1, deionized water / ethyl acetate volume ratio 1:1, deionized water / acetone volume ratio 1:1) mix, add 3mmol trifluoromethyl sulfonic acid. The mixed solution was stirred for 10 min, filtered to obtain a clear solution, volatile and grown at normal temperature and pressure, and colorless transparent crystals were obtained after standing for two days.
Embodiment 3
[0060] The preparation process of N-isopropylcyclohexylamine-perchloric acid supramolecular phase change material is: 3mmol N-isopropylcyclohexylamine and 10mL deionized water (or deionized water / methanol volume ratio 1: 1, Deionized water / ethanol volume ratio 1:1, deionized water / ethyl acetate volume ratio 1:1, deionized water / acetone volume ratio 1:1) were mixed, and 3mmol perchloric acid was added while stirring. The mixed solution was stirred for 10 min, filtered to obtain a clear solution, and volatilized and grown at normal temperature and pressure. After standing for a week, colorless transparent crystals were obtained.
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