Aqueous alkyd acrylic resin printing ink and preparation method thereof

A technology of alkyd acrylic and resin ink, applied in the direction of ink, application, coating, etc., can solve the problems of material performance deterioration, etc., and achieve the effects of reduced VOC content, good weather resistance, and good color retention

Inactive Publication Date: 2012-10-24
LANZHOU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the resin has poor compatibility due to differences in molecular weight or functional group structure, although it can be uniformly dispersed under the action of a solvent,

Method used

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  • Aqueous alkyd acrylic resin printing ink and preparation method thereof
  • Aqueous alkyd acrylic resin printing ink and preparation method thereof
  • Aqueous alkyd acrylic resin printing ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

The preparation method of water-based alkyd acrylic resin printing ink, carries out batching by above-mentioned component, and its steps are:

The preparation steps of drier are:

(1) Add soyoleic acid, pentaerythritol, and benzoic acid in sequence according to the formula in a reaction vessel equipped with a stirring device, an oil-water separator, and a thermometer, protect with nitrogen, start stirring and condense water, and heat up to 180°C within 1 hour;

(2) When the temperature reaches 120°C, add 35%~40% xylene;

(3) When the temperature reaches 180°C, start to keep warm, keep warm for 40 minutes, and control the temperature at 180-200°C; add 1 / 2 of the formula of phthalic anhydride and maleic anhydride and the remaining xylene, and add the remaining phthalic anhydride and maleic anhydride after 10 minutes; raise the temperature to make the temperature Control at 210-220°C, keep warm for 1h;

(4) Raise the temperature so that the temperature is controlled at 220-230°C...

Example Embodiment

[0001] The invention relates to polymer chemistry and polymer coating composition technology.

In a 500ml four-necked flask equipped with a stirring device, an oil-water separator and a thermometer, 60g of soyoleic acid, 17.54g of pentaerythritol, and 1.65g of benzoic acid were successively added, protected by nitrogen gas, stirring and condensed water were started, and the temperature was raised to 180°C within 1h (wherein When the temperature reaches 120°C, add 3g of xylene); when the temperature reaches 180°C, start to keep warm, keep the heat for 40 minutes, and control the temperature at 180-200°C; add 8.27g of phthalic anhydride, 0.27g of maleic anhydride and 5.46g of xylene, and add the rest after 10 minutes 8.27g phthalic anhydride and 0.27g maleic anhydride; raise the temperature to control the temperature at 210-220°C, and keep it for 1 hour; continue to raise the temperature to control the temperature at 220-230°C, and start measuring the acid value after holding it ...

Example Embodiment

Embodiment 2. Preparation of drier

Dissolve 8.33g of emulsifier CO-436 in 88.89g of water, add 2.78g of ethylene glycol, 5.56g of cobalt isooctanoate, 22.22g of manganese isooctanoate, 22.22g of zirconium isooctanoate, disperse at a high speed of 1500r / mim, and stir for 2 hours to obtain Drier for alkyd acrylic hybrid emulsion.

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Abstract

The invention relates to an aqueous alkyd acrylic resin printing ink and a preparation method thereof. According to the invention, high-molecular alkyd resin with main chain containing unsaturated double bond is synthesized through molecular design. Alkyd resin is subjected to free radical graft copolymerization with acrylic monomer. A reaction system is neutralized by using an amine compound, such that water-reducible alkyd acrylic resin is synthesized. Molecular chains of alkyd and acrylic resins are connected through chemical bond, such that the compatibility of the two resins is improved. In a material curing and shaping process, phase separation of the resin is avoided. Deionized water, a pigment, a filling material, an antifoaming agent, a dispersing agent, a siccative, and alkyd acrylic hybrid emulsion are uniformly dispersed, such that the aqueous alkyd acrylic resin printing ink is obtained.

Description

technical field [0001] The invention relates to polymer chemistry and polymer coating composition technology. Background technique [0002] Most of the polymers used in traditional coating inks are solvent-based, and the main varieties are: alkyd resin, acrylic resin, phenolic resin, epoxy resin, polyurethane resin, amino resin and their mutual modification. These resins will use a large amount of organic solvents in the application of late coating inks and in the construction process. These solvents will volatilize into the atmosphere during construction and material curing, which is harmful to the health of construction workers, pollutes the environment, and causes energy waste. With the increasing awareness of environmental protection in various countries around the world, the restrictions on the content of volatile organic compounds (VOC) in inks are becoming increasingly strict in environmental protection regulations, and the ink industry is developing towards low pol...

Claims

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Application Information

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IPC IPC(8): C09D11/00C09D151/08C09D7/12C08F283/01C08F220/06C08F220/14C08F212/08C08F220/18C08F220/28C08G63/52C08G63/49
Inventor 杨保平吴纯崔锦峰周应萍郭军红李延华李军陈碧碧魏小赟倾彩霞崔卓
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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