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Color fixing agent for paper surface and preparation method for color fixing agent

A color fixing agent, propylene glycol methyl ether technology, applied in papermaking, paper coatings, textiles and papermaking, etc., can solve the problems of low cationic degree of styrene-acrylic emulsion, poor water resistance of the color fixing agent, etc., and achieve good color fixing effect, Low production cost and stable performance

Active Publication Date: 2017-03-08
温州富捷科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the cationic degree of styrene-acrylic emulsion is not high, the main structure is hydrophobic, and the water resistance of the fixing agent is poor

Method used

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  • Color fixing agent for paper surface and preparation method for color fixing agent
  • Color fixing agent for paper surface and preparation method for color fixing agent

Examples

Experimental program
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Embodiment 1

[0015] In the embodiment of the present invention, a paper surface color fixing agent is composed of the following raw materials in parts by weight: 14 parts of diethylene triamine, 5 parts of boric acid, 3 parts of isoamyl alcohol, 10 parts of propylene glycol methyl ether, and 21 parts of styrene-acrylic emulsion. share.

[0016] Boric acid and deionized water are mixed to prepare a boric acid solution with a mass concentration of 27%; propylene glycol methyl ether and deionized water are mixed to prepare a propylene glycol methyl ether solution with a mass concentration of 35%. Mix styrene-acrylic emulsion and diethylenetriamine, raise the temperature to 76°C, and stir at this temperature for 25 minutes, then add isoamyl alcohol dropwise while stirring, and dropwise complete within 18 minutes, and drop to 63°C and stirred at this temperature for 68 minutes; then added boric acid solution, stirred at 93°C for 45 minutes; then added dropwise propylene glycol methyl ether solu...

Embodiment 2

[0018] In the embodiment of the present invention, a paper surface color fixing agent is composed of the following raw materials in parts by weight: 22 parts of diethylene triamine, 13 parts of boric acid, 7 parts of isoamyl alcohol, 20 parts of propylene glycol methyl ether, and 29 parts of styrene-acrylic emulsion share.

[0019] Boric acid and deionized water are mixed to prepare a boric acid solution with a mass concentration of 27%; propylene glycol methyl ether and deionized water are mixed to prepare a propylene glycol methyl ether solution with a mass concentration of 35%. Mix styrene-acrylic emulsion and diethylenetriamine, raise the temperature to 76°C, and stir at this temperature for 25 minutes, then add isoamyl alcohol dropwise while stirring, and dropwise complete within 18 minutes, and drop to 63°C and stirred at this temperature for 68 minutes; then added boric acid solution, stirred at 93°C for 45 minutes; then added dropwise propylene glycol methyl ether solu...

Embodiment 3

[0021] In the embodiment of the present invention, a paper surface color fixing agent is composed of the following raw materials in parts by weight: 16 parts of diethylene triamine, 7 parts of boric acid, 4 parts of isoamyl alcohol, 12 parts of propylene glycol methyl ether, and 23 parts of styrene-acrylic emulsion. share.

[0022] Boric acid and deionized water are mixed to prepare a boric acid solution with a mass concentration of 27%; propylene glycol methyl ether and deionized water are mixed to prepare a propylene glycol methyl ether solution with a mass concentration of 35%. Mix styrene-acrylic emulsion and diethylenetriamine, raise the temperature to 76°C, and stir at this temperature for 25 minutes, then add isoamyl alcohol dropwise while stirring, and dropwise complete within 18 minutes, and drop to 63°C and stirred at this temperature for 68 minutes; then added boric acid solution, stirred at 93°C for 45 minutes; then added dropwise propylene glycol methyl ether solu...

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Abstract

The invention discloses a color fixing agent for a paper surface and a preparation method for the color fixing agent. The color fixing agent is prepared from the following raw materials in parts by weight: 14 to 22 parts of diethylenetriamine, 5 to 13 parts of boric acid, 3 to 7 parts of isoamyl alcohol, 10 to 20 parts of propylene glycol monomethyl ether and 21 to 29 parts of styrene-acrylic emulsion. The preparation method comprises the following steps: mixing, heating and stirring the styrene-acrylic emulsion and the diethylenetriamine, adding the isoamyl alcohol dropwise, and performing cooling stirring treatment; adding a boric acid solution for heating and stirring; adding a propylene glycol monomethyl ether solution dropwise for heating stirring treatment, and reducing the temperature to room temperature to obtain the color fixing agent. The color fixing agent is used for coating the paper surface, the cationic degree of a styrene-acrylic emulsion color fixing agent is increased, the surface property of printing paper can be remarkably improved, the printing quality is improved, and particularly, the water resistance of finished paper is greatly improved. According to the color fixing agent, the color density value of the finished paper mixed with water is greatly increased, the raw materials are simple and extensive, the color fixing agent is free of formaldehyde, environment-friendly, pollution-free, low in production cost, stable in performance and suitable for industrial production, and has good color fixing effects and broad market prospect, and a production process is convenient.

Description

technical field [0001] The invention relates to the technical field of color fixing agents, in particular to a paper surface color fixing agent and a preparation method thereof. Background technique [0002] Color-fixing agent is an auxiliary agent commonly used in color-jet paper coatings to fix colorants, and its common characteristics are cationic and high molecular weight. High ionic strength, strong interaction with color dye molecules, can quickly capture and fix negatively charged color materials, and play a role in color fixation. High molecular weight cationic polymers, such as polyamine strong cationic polymers such as polyethyleneimine, polyvinylamine, polydimethyldiallylammonium chloride and polyvinylbenzyltrimethylamine chloride, can be used for solidification. color, but these commonly used fixing agents are often not water resistant. Cationic styrene-acrylic emulsion is a copolymer of styrene, acrylate and cationic monomers. During polymerization, functional...

Claims

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Application Information

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IPC IPC(8): D21H21/14D21H19/14D21H19/20
CPCD21H19/14D21H19/20D21H21/14
Inventor 不公告发明人
Owner 温州富捷科技股份有限公司
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