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Preparation method of salt-resistant stable thickener material

A stable, thickener technology, applied in food science and other directions, can solve problems such as poor salt tolerance, and achieve the effect of strong temperature damage, high hydrodynamic volume, and high water absorption.

Inactive Publication Date: 2020-01-10
陈淑英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is: aiming at the problem of poor salt resistance of existing thickener materials, a preparation method of salt-resistant and stable thickener material is provided

Method used

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  • Preparation method of salt-resistant stable thickener material

Examples

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Effect test

Embodiment 1

[0022] Mix glycine and alanine at a molar ratio of 1:2 to obtain mixed amino acids, and then weigh 45 parts of deionized water, 15 parts of acetone, 10 parts of mixed amino acids, and 1 part of sodium hydroxide in parts by weight. In a four-neck flask, stir and mix and let it stand for 25 minutes to obtain a mixed solution and add the acid chloride dropwise to the mixed solution at a mass ratio of 1:15, maintain the pH to 10.0 with 0.5mol / L sodium hydroxide solution, and wait for the acid chloride to drop After the addition is complete, stir and mix and let stand at room temperature for 10 minutes to obtain a standing solution and add 1.0 mol / L hydrochloric acid dropwise until the pH of the standing solution reaches 2.0, collect the acidified solution and wash it with water for 6 to 8 times, then filter with suction The filter cake was collected, vacuum freeze-dried and ground, passed through a 1000-mesh sieve to obtain modified particles; according to the mass ratio of 1:7, hy...

Embodiment 2

[0024]Mix glycine and alanine at a molar ratio of 1:2 to obtain mixed amino acids, and weigh 47 parts of deionized water, 17 parts of acetone, 12 parts of mixed amino acids, and 1 part of sodium hydroxide in parts by weight. In a four-necked flask, stir and mix and let it stand for 27 minutes to obtain a mixed solution and add acid chloride dropwise to the mixed solution at a mass ratio of 1:15, maintain the pH to 10.0 with 0.5mol / L sodium hydroxide solution, wait for the acid chloride to drop After the addition is complete, stir and mix and let stand at room temperature for 12 minutes to obtain a standing solution and add 1.0 mol / L hydrochloric acid dropwise until the pH of the standing solution reaches 2.0, collect the acidified solution and wash it with water for 7 times, then suction filter and collect The filter cake was vacuum freeze-dried and ground, and passed through a 1000-mesh sieve to obtain modified particles; according to the mass ratio of 1:7, hydroquinone was ad...

Embodiment 3

[0026] Glycine and alanine were mixed at a molar ratio of 1:2 to obtain mixed amino acids, and then weighed in parts by weight 50 parts of deionized water, 20 parts of acetone, 15 parts of mixed amino acids, and 2 parts of sodium hydroxide. In a four-necked flask, stir and mix and let it stand for 30 minutes to obtain a mixed solution and add acid chloride dropwise to the mixed solution at a mass ratio of 1:15, maintain the pH to 10.0 with 0.5mol / L sodium hydroxide solution, wait for the acid chloride to drop After the addition, stir and mix and let stand at room temperature for 15 minutes to obtain a standing solution and add 1.0 mol / L hydrochloric acid dropwise until the pH of the standing solution reaches 2.0, collect the acidified solution and wash it with water for 8 times, then suction filter and collect The filter cake was vacuum freeze-dried and ground, and passed through a 1000-mesh sieve to obtain modified particles; according to the mass ratio of 1:7, hydroquinone wa...

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Abstract

The invention discloses a preparation method of a salt-resistant stable thickener material, and belongs to the technical field of food additive materials. In the technical solution of the present invention, a spatial network structure formed by association of long-chain monomers has high resistance to inorganic salts and temperature damage. Meanwhile, according to the technical solution of the present invention, polyacrylic acid material is used as a main raw material. Due to the spatial network structure and introduction of the hydrophobic long-chain monomers to reinforce the spatial structure, the polymer has higher hydrodynamic radius, water-absorbing ability and salt water resistance, thereby improving electrolyte resistance of a thickener. Meanwhile, during the polymerization of the thickener, a small amount of long-chain monomers with hydrophilic groups are copolymerized with the polymerized monomers. Due to the spatial network structure with a certain crosslinking degree in thepolymer itself and introduction of the hydrophobic long-chain monomers, the spatial network structure is enhanced, so that the polymer has higher hydrodynamic volume, water absorption and retention capacities.

Description

technical field [0001] The invention discloses a preparation method of a salt-resistant and stable thickener material, which belongs to the technical field of food additive materials. Background technique [0002] Thickeners are often called gelling agents. When used in the food industry, they can also be called pastes or food glues. Its main function is to increase the viscosity of the system and keep the system uniform and stable under certain conditions. Suspended or milky, or gel-like. When thickener is used, it can quickly increase the viscosity of the product in a short time. Its mechanism of action is to achieve the purpose of thickening by stretching the macromolecular chain structure or forming a three-dimensional network structure with water, covering the water in the network structure. , so as to play a thickening role. The thickener has the characteristics of less dosage, fast aging and good stability when used. At present, thickeners have been widely used in ...

Claims

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Application Information

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IPC IPC(8): A23L29/20C08F220/06C08F222/38
CPCA23L29/20C08F220/06C08F222/385
Inventor 陈淑英梁伟虹
Owner 陈淑英
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