Phthalic acid derivative gelator and preparation method and application thereof
A technology of phthalic acid and phthalic anhydride, applied in the field of phthalic acid-derived gelling factors, can solve problems such as not forming industrialization advantages, achieve superior gel ability, reduce gel concentration, and improve thermodynamics The effect of stability
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Embodiment 1
[0054] Embodiment 1 phthalic acid organogel preparation
[0055] (1) Phthalic acid gelling factor
[0056] Preparation method: Dissolve 148.12mg (1mmol) of phthalic anhydride in excess dichloromethane, stir at room temperature and dissolve completely, then dissolve 269.31mg (1mmol) of octadecylamine (NH 2 (CH 2 ) 17 CH 3 ) slowly poured into the solution, and mechanically stirred for 6 hours to obtain a white precipitate, which was filtered, and the filter cake was recrystallized with methanol and dried in vacuum to obtain the phthalic acid gel factor. Its structural formula is as follows,
[0057]
[0058] (2) Test results
[0059] Such as figure 1 As shown, the FT-IR detection results showed that the gels formed by the two gelling factors had hydrogen bonding. Such as figure 2 with Figure 5 As shown, the DSC and rheological spectra show that the gel formed by the two-component gelling factor has higher thermodynamic stability and greater mechanical strength. S...
Embodiment 2
[0065] Embodiment 2 phthalic acid organogel preparation
[0066] (1) Phthalic acid gelling factor
[0067] The preparation method is as follows: Dissolve 205.17mg (1mmol) of 3-acetamidophthalic anhydride in excess dichloromethane, stir at room temperature to dissolve completely, and dissolve 241.28mg (1mmol) of hexadecylamine (NH 2 (CH 2 ) 15 CH 3 ) slowly poured into the solution, and mechanically stirred for 6 hours to obtain a white precipitate, which was filtered, and the filter cake was recrystallized with methanol and dried in vacuum to obtain the phthalic acid gel factor. Its structure is as follows,
[0068]
[0069] (2) Test results
[0070] Such as Image 6 As shown, the FT-IR detection results showed that the gels formed by the two gelling factors had hydrogen bonding. Such as Figure 7 with Figure 10 As shown, the DSC and rheological spectra show that the gel formed by the two-component gelling factor has higher thermodynamic stability and greater mech...
Embodiment 3
[0076] Embodiment 3 phthalic acid organogel preparation
[0077] (1) Phthalic acid gelling factor
[0078] The preparation method is as follows: Dissolve 204.8mg (1mmol) of 4-tert-butylphthalic anhydride in excess dichloromethane, stir at room temperature to dissolve completely, then slowly pour 185.21mg (1mmol) of dodecylamine into the solution , and mechanically stirred for 6 hours to obtain a white precipitate, which was filtered, and the filter cake was recrystallized with methanol and dried in vacuum to obtain the phthalic acid gel factor. Its structure is as follows,
[0079]
[0080] (2) Test results
[0081] Such as Figure 11 As shown, the FT-IR detection results indicated that hydrogen bonding existed in the gel formed by the gelling factor (n=12). Such as Figure 12 with Figure 15 As shown, the DSC and rheological spectra show that the gel formed by the phthalic acid gelling factor (n=12) has better thermodynamic stability and mechanical strength. Such as...
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