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Alcohol-free fountain solution containing k-carrageenan-konjac gum compound and preparation method of alcohol-free fountain solution

A konjac gum and alcohol-free technology is applied in the field of alcohol-free fountain solution and its preparation, which can solve the problems of easy dehydration and shrinkage, small elasticity, and high gel brittleness, and achieves the effects of good wetting and improved durability.

Inactive Publication Date: 2016-09-28
HEFEI ALL ROUND POLYMER MATERIAL FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The gel formed by κ-carrageenan has the advantages of low required concentration and high transparency, but there are problems such as high brittleness, low elasticity, and easy dehydration and shrinkage of the gel. These problems can be solved by synergistic effect with other food gums. question

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0023] In this embodiment, an alcohol-free dampening solution containing κ-carrageenan-konjac gum compound comprises the following components and contents in parts by weight: 80 parts of deionized water, 12 parts of κ-carrageenan, 8 parts of konjac gum, tea 4 parts of polyphenols, 3 parts of ancient oil, 2 parts of sorbitol, 4 parts of pH regulator, 2 parts of polysorbate-80.

[0024] The resistivity of deionized water at 25°C is 10 18 mΩ·cm; the pH regulator is formed by mixing phosphoric acid and ammonium dihydrogen phosphate, and the mass ratio of phosphoric acid and ammonium dihydrogen phosphate is 2:1.

[0025] Specific steps are as follows:

[0026] (1) Preparation of κ-carrageenan-konjac gum-tea polyphenol microspheres:

[0027] ①. Dissolve κ-carrageenan, konjac gum and tea polyphenols in deionized water as the water phase for later use;

[0028] ②. Measure Taikoo oil, the volume ratio of Taikoo oil to deionized water is 5:1, add sorbitol to it, fully dissolve and st...

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Abstract

The invention discloses an alcohol-free fountain solution containing a k-carrageenan-konjac gum compound. The alcohol-free fountain solution comprises the following raw materials in parts by weight: 70-85 parts of deionized water, 10-15 parts of k-carrageenan, 6-10 parts of konjac gum, 3-6 parts of tea polyphenol, 2-5 parts of Turkey red oil, 1-3 parts of sorbitol, 3-6 parts of pH conditioning agent and 1-3 parts of polysorbate-80. According to the alcohol-free fountain solution, through the k-carrageenan-konjac gum compound acting as a hydrophilic film-forming agent, the durability of a water film is improved, so that the alcohol-free fountain solution has good wettability and permeability when in use. When k-carrageenan-konjac gum-tea polyphenol microspheres which have the characteristics of low mean particle size and tea polyphenol slow release are used in the alcohol-free fountain solution, the release of tea polyphenol is retarded, the oxidation resistance of tea polyphenol is improved greatly, and the use stability of the alcohol-free fountain solution is ensured.

Description

technical field [0001] The invention relates to the technical field of offset printing fountain solution, in particular to an alcohol-free fountain solution compounded with κ-carrageenan-konjac gum and a preparation method thereof. Background technique [0002] Offset printing uses the two natural laws of immiscibility of oil and water and selective adsorption of solids to liquids, and builds the copied graphics and blank parts on the surface of the unified printing plate after technical treatment, so that the blank part has Strong water absorption performance, the graphic part is lipophilic and water repellent. In the printing process, water is supplied to the entire printing plate first, so that the blank part of the layout absorbs water to form a water film, and then ink is supplied to the printing plate. At this time, since a layer of water film already exists in the blank part of the printing plate, the ink cannot be adsorbed on the blank part, and the graphic part abs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41N3/08
CPCB41N3/08
Inventor 王贵东宋睿
Owner HEFEI ALL ROUND POLYMER MATERIAL FACTORY
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