Preparation method of light-resistant water-based paint and adhesive

A water-based coating and adhesive technology, applied in the direction of adhesives, wax coatings, adhesive additives, etc., can solve the problems of poor anti-wear performance, no anti-aging, general light resistance, etc., and achieve improved aging resistance and aging resistance. The effect of obvious performance and good gloss

Inactive Publication Date: 2016-06-22
韩志龙
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the acrylic resin coatings in the prior art have general light resistance, poor abrasion resistance, poor film-forming properties, poor water resistance, and no anti-aging properties. Therefore, it needs to be modified to protect the safety of life and property.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A preparation method for lightfast water-based paint and adhesive, specifically comprising the steps of:

[0019] (1) Add 470 parts of deionized water to the reaction kettle in parts by weight, add 120 parts of acrylic resin to the bottom of the kettle, raise the temperature to 40°C, add 46 parts of ammonia water dropwise, adjust the pH to 7-8, stir for two hours, and raise the temperature to 70 Add emulsifier at ℃, stir for half an hour, heat up to 78°C, add 5 parts of initiator, dropwise add 50 parts of styrene and 290 parts of butyl acrylate mixed monomer, the dropping time is controlled at three hours, the first half hour takes half Add dropwise at a speed of 78°C. When half of the dropwise addition occurs, a solution of 10 parts of methylolacrylamide and 1.5 parts of diacetone acrylamide dissolved in 40 parts of water is added dropwise to the reactor, and the remaining three parts of the monomer are added dropwise. One-third of the time, add 1 part of silane coupli...

Embodiment 2

[0028] The difference from the above implementation 1 is that in this example, step (3) is to add 38% film-forming emulsion A and 33% film-forming emulsion B by mass fraction, and add 15% mass fraction of 30% acrylic resin Liquid, 5% mass fraction of wetting agent, 2% mass fraction of film-forming aid PM, 4% mass fraction of wear-resistant wax emulsion, 2% mass fraction of absolute ethanol, 0.05-0.08% mass fraction of water and mix uniformly for defoaming agent, and finally adjust the pH to 8-9 with ammonia water to obtain a water-based high-gloss wear-resistant coating and adhesive.

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PUM

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Abstract

The invention discloses a preparation method of a light-resistant water-based paint and an adhesive, and belongs to the technical field of water-based paints and adhesives. The method particularly comprises the steps that water, emulsifier and acrylic resin are added into a reaction kettle, the emulsifier is completely added to the kettle bottom, a continuous dripping method is adopted, and two kinds of emulsions with different film-forming temperatures are obtained, wherein the dripping temperature ranges from 78 DEG C to 80 DEG C; a graphene solution is added in the dripping process, and the two emulsions are blended according to a certain mass percentage. According to the preparation method of the light-resistant water-based paint and the adhesive, the emulsions have the property of being soft inside and hard outside, are provided with water-based coatings which are better in film-forming property and lustrousness and are suitable for being widely applied to the printing and packaging industry; the product is environmentally friendly, high in luminosity, high in abrasion resistance and capable of achieving an excellent waterproof effect, the anti-ultraviolet property of the coatings is effectively improved, and the anti-aging property of the acrylic emulsion is obviously improved.

Description

technical field [0001] The invention belongs to the technical field of preparation of water-based paints and adhesives, and more specifically relates to a preparation method of light-resistant water-based paints and adhesives. Background technique [0002] Coating materials are widely used in the printing and packaging industry, and are in direct or indirect contact with human beings all the time. Toxic and harmful coatings have always threatened people's health. The largest market for acrylic resin coatings is car paint. In addition, it is widely used in light industry, household appliances, metal household appliances, aluminum products, coil industry, instrumentation, construction, textiles, plastic products, wood products, papermaking and other industries. In these fields of use, most of the coatings need to withstand long-term ultraviolet radiation, rain erosion and various abrasions, and the coatings are required not only to have high gloss, but also to have good other ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/00C09D133/00C09D191/06C09D7/12C09J151/00C09J133/00C09J191/06C09J11/04C08F265/00C08F220/18C08F212/08C08F220/58C08F2/30C08F2/26
CPCC08F2/26C08F2/30C08F265/00C08K2201/014C08L2201/08C08L2205/025C08L2205/035C09D7/62C09D7/70C09D151/003C09J11/04C09J151/003C08L51/003C08L33/00C08L91/06C08K13/06C08K9/00C08K3/04C08K7/24C08F220/1804
Inventor 韩志龙
Owner 韩志龙
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