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Glucosamide-terminated polyether surfactant as well as preparation method and application thereof

A surfactant and capped polyether technology, which is applied in chemical instruments and methods, additives, transportation and packaging, etc., can solve the problems of poor biocompatibility and high critical micelle concentration, reduce irritation and improve biological Degradation characteristics, high yield effect

Active Publication Date: 2021-08-27
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional polyetheramine surfactants have the disadvantages of high critical micelle concentration (cmc) and poor biocompatibility.

Method used

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  • Glucosamide-terminated polyether surfactant as well as preparation method and application thereof
  • Glucosamide-terminated polyether surfactant as well as preparation method and application thereof
  • Glucosamide-terminated polyether surfactant as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Preparation of glucosamide-terminated polyether surfactant: Add 20g (about 10mmol) of polyetheramine M2070 and 0.178g (1mmol) of gluconolactone to a mixed solution of 50mL of ethanol and methanol, and control the temperature At 25°C, reflux and stir the reaction for 24h: It can be observed that the color of the solution turns yellow as the reaction progresses. After the reaction, the crude product obtained by the reaction was added to ethanol for cooling and recrystallization, and the ethanol was removed by rotary evaporation to obtain 0.72 g of a yellow liquid (glucosamide-capped polyether surfactant). The yield of polyether surfactant was 33.1%.

[0032] The NMR test result of the yellow liquid that embodiment 1 obtains is as follows:

[0033] 1 H NMR (400MHz, DMSO) δ4.55(s, 5.4H), 3.94(d, J=24.7Hz, 2.1H), 3.54(s, 16.60H), 3.50(d, J=11.5Hz, 124H), 3.41 (d, J = 16.0Hz, 20.25H), 3.35 (d, J = 20.8Hz, 10.11H), 3.24 (s, 4.28H), 1.05 (d, J = 6.2Hz, 30.51H).

[0034] In ...

Embodiment 2

[0039] Preparation of glucosamide-terminated polyether surfactant: 100 g (about 50 mmol) of polyetheramine M2070 and 1.78 g (10 mmol) of gluconolactone were added to 150 mL of n-butanol and isoamyl alcohol mixed solution, Control the temperature at 70°C, reflux and stir the reaction for 48h: It can be observed that the color of the solution turns yellow as the reaction progresses. After the reaction, the crude product obtained by the reaction was added to ethanol for cooling and recrystallization, and the ethanol was removed by rotary evaporation to obtain 15.04 g of a yellow liquid (glucamide-terminated polyether surfactant). The yield of ether surfactant was 68%.

Embodiment 3

[0041] Preparation of glucosamide-terminated polyether surfactant: 40 g (about 20 mmol) of polyetheramine M2070 and 1.78 g (10 mmol) of gluconolactone were added to 80 mL of isopropanol solution, and the temperature was controlled at 60 °C, stirred for 72 hours: It can be observed that the color of the solution turns yellow as the reaction progresses. After the reaction was finished, the crude product obtained from the reaction was added to ethanol for cooling and recrystallization, and the ethanol was removed by rotary evaporation to obtain 18.15 g of yellow liquid (glucosamide-terminated polyether surfactant), which was calculated to obtain glucosamide-terminated polyether The yield of type surfactant was 82%.

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Abstract

The invention relates to the technical field of surfactants, in particular to a glucosamide-terminated polyether surfactant as well as a preparation method and application thereof. The preparation method of the glucosamide-terminated polyether surfactant comprises the following steps: (1) adding glucolactone and polyether amine M2070 into an organic solvent, and heating for reaction to obtain a crude product; and (2) adding the crude product into ethanol, cooling, recrystallizing, and carrying out rotary evaporation treatment to obtain the final product glucosamide-terminated polyether surfactant. The obtained surfactant not only has better surface performance than polyether amine, but also has the characteristics of small irritation to human, easiness in degradation and the like of a glycosyl surfactant, and in addition, the surfactant is relatively simple in synthesis process, relatively high in yield, suitable for industrial production and wide in application prospect.

Description

technical field [0001] The invention relates to the technical field of surfactants, in particular to a glucamide-terminated polyether surfactant, a preparation method and application thereof. Background technique [0002] With the development of society and the enhancement of people's awareness of environmental protection, the preparation of green surfactants from natural renewable resources has become a research hotspot. As an amphiphilic polymer compound, polyetheramine surfactants are widely used in the fields of epoxy materials, polyurethane synthesis, and fuel detergents because they contain both amino and ether bond functional groups. However, traditional polyetheramine surfactants have the disadvantages of high critical micelle concentration (cmc) and poor biocompatibility. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the technical idea of ​​the present invention is: construct the novel glucosamide-terminated polyethe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01F17/42B01F17/22B01F17/38C10M149/14C08G65/332C10N30/04C09K23/42C09K23/22C09K23/38
CPCC10M149/14C08G65/3328C10M2217/06C09K23/16
Inventor 葛新吴思远宋伟丽刘学民
Owner JIANGNAN UNIV
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