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Sugar alcohol composition as well as preparation method and application thereof

A composition, sugar alcohol technology, applied in chemical instruments and methods, other chemical processes, materials for heat exchange, etc., can solve problems such as unfavorable popularization, high cost of antifreeze, shortened service life, etc., and achieve good snow melting and ice melting. performance, improved workability, improved early strength

Active Publication Date: 2021-06-08
JINAN SHENGQUAN GROUP SHARE HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, among the existing deicing agents, traditional deicing agents contain a large amount of chloride ions. Although they have high efficiency in melting snow and ice, they are poor in environmental protection and will cause serious corrosion to concrete, bridges, and road surfaces, and chloride ions will accumulate in soil and water. In the ecological environment around the road, a large number of plants die, and vehicle tires will be corroded, which will reduce the service life; industrial acetate deicing agent is basically non-corrosive to steel bars, etc., but its production cost is too high and its application is limited. Currently, it is mainly used for Snow melting on airport roads; although the snow melting agent added with corrosion inhibitor inhibits the corrosion of road facilities, it still has serious damage to vegetation
Antifreezes in the prior art also have the above-mentioned problems. Antifreezes containing chloride salts such as calcium chloride are corrosive to steel bars, etc., while antifreezes containing polymer water reducers and organic salts have high costs and are not conducive to large-scale production. Scale promotion and use

Method used

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  • Sugar alcohol composition as well as preparation method and application thereof
  • Sugar alcohol composition as well as preparation method and application thereof
  • Sugar alcohol composition as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] This embodiment provides a sugar alcohol composition, the preparation method is as follows:

[0058] Mix xylitol mother liquor, sodium formate, glycerol and water according to the mass ratio of 6:1:1:2 under heating to 40°C, and stir for 40 minutes to obtain the sugar alcohol composition; wherein, the solid xylitol mother liquor The content is 70%, the mass percentage of xylitol in the solid part is 78%, the mass percentage of arabitol is 20%; the mass percentage of xylitol in the obtained sugar alcohol composition is 32.76%, and the mass percentage of arabitol The mass percentage content of sugar alcohol is 8.4%, the mass percentage content of sodium formate is 10%, and the mass percentage content of glycerol is 10%.

Embodiment 2

[0060] This embodiment provides a sugar alcohol composition, the preparation method is as follows:

[0061] Mix xylitol mother liquor, glycerol and water at room temperature according to the mass ratio of 6:2:2, and stir for 30 minutes to obtain the sugar alcohol composition; wherein, the solid content of xylitol mother liquor is 60%, and the solid content of xylitol The mass percentage of sugar alcohol is 80%, the mass percentage of arabitol is 15%; the mass percentage of xylitol in the obtained sugar alcohol composition is 28.8%, and the mass percentage of arabitol is 1.8% %, the mass percentage of glycerol is 10%.

Embodiment 3

[0063] This embodiment provides a sugar alcohol composition, the preparation method is as follows:

[0064] Mix the xylitol mother liquor and water at room temperature according to the mass ratio of 9:1, and stir for 10 minutes to obtain the sugar alcohol composition; wherein, the solid content of the xylitol mother liquor is 80%, and the xylitol mass percentage in the solid part is The content is 80%, and the mass percentage of arabitol is 15%. The mass percentage of xylitol in the obtained sugar alcohol composition is 57.6%, and the mass percentage of arabitol is 10.8%.

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Abstract

The invention provides a sugar alcohol composition as well as a preparation method and application thereof. The sugar alcohol composition comprises penitol, the mass percentage of the penitol in the sugar alcohol composition is 25-70%, the freezing point is lower than -30 DEG C, and the sugar alcohol composition has the characteristics of being green, environment-friendly and non-corrosive, and can be used in snow-melting agents, anti-freezing agents and corrosion inhibitors. The sugar alcohol composition can be prepared from waste liquid such as xylitol mother liquid, the cost is low, the process is simple, a new resource recycling way is provided for the waste liquid generated in sugar alcohol processing, and the mode of resource recycling economy is met. A snow-melting agent prepared on the basis of the sugar alcohol composition has good snow-melting and deicing capabilities, and is safe and environment-friendly. The sugar alcohol composition can be used as an anti-freezing agent, can meet the construction requirements of concrete at low temperature, and improves the early strength of the concrete. The sugar alcohol composition can also be used in a corrosion inhibitor, and can significantly reduce the corrosion of a mixed solution to metals, especially carbon steel.

Description

technical field [0001] The invention belongs to the technical field of organic compositions, and in particular relates to a sugar alcohol composition and its preparation method and application. Background technique [0002] In northern China, the winter temperature is extremely low, snowfall is frequent, and roads are prone to snow and ice, which poses a great safety hazard to traffic. Therefore, it is of great significance to prevent winter roads from icing, improve travel efficiency, and reduce the incidence of traffic accidents. The current ice and snow removal methods mainly include artificial snow removal and chemical snow removal. Among them, chemical snow removal depends on deicing agents and is widely used. Deicing agents can be divided into three categories according to their active ingredients: chloride-based salts, acetates, and composites of chloride salts and non-chlorine salts. At the same time, the cold temperature in winter has caused difficulties in the con...

Claims

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Application Information

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IPC IPC(8): C09K3/18C09K5/20C23F11/12
CPCC09K3/185C09K5/20C23F11/122
Inventor 唐地源江成真韩文彬张燕高绍丰
Owner JINAN SHENGQUAN GROUP SHARE HLDG
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