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Water-based environmental protection colorful texture paint and preparation method thereof

A textured paint, environmentally friendly technology, applied in multi-color effect paint, coating and other directions, can solve the problems of flammability, environmental pollution, toxicity, etc., and achieve good compatibility, easy dispersion, and good repeatability.

Active Publication Date: 2016-09-14
GANSU GLDARK NEW MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a water-based environment-friendly colorful texture paint to solve the problem that the existing colorful paint contains organic solvents, which makes the product toxic, flammable, and pollutes the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0034] 3. The preparation process of acid hydrolyzed hydroxypropyl starch is as follows: in deionized water, add a swelling inhibitor relative to the starch mass ratio of 13%, add sodium hydroxide accounting for 1.0% of the starch mass, mix and stir until dissolved, and add the step (1) Adjust the prepared acid-thinned starch into 35% starch milk, stir and alkalinize for 40 minutes, heat up to 42°C, add propylene oxide accounting for 5% of the starch mass, etherify for 14 hours, add 10% hydrochloric acid to adjust the pH to 7.0, after centrifugal dehydration, drying and sieving, the acid hydrolyzed hydroxypropyl starch can be obtained;

[0035] 4. The preparation process of acid-thinned starch used in the preparation process of acid-thinned carboxymethyl starch and acid-thinned hydroxypropyl starch is as follows: add HCl solution with a mass percentage concentration of 0.6% to the starch, and prepare starch with a concentration of 38%. Milk, heated to 50°C, acidolysis for 2 ho...

Embodiment 1

[0042] 1. Preparation of colored particles

[0043] Weigh 750g of esterified starch, 100g of plasticizer glycerin, and 300g of organic pigment Hansa yellow, add them to a high-speed mixer and mix for 5 minutes, at a temperature of 100°C and a speed of 50 rpm, plasticize and extrude in a single-screw extruder , after extrusion, cooling, pulverization and granulation to prepare granules with a particle size of 0.1 mm.

[0044] 2. Preparation of Colorful Textured Coatings

[0045] Take 300g of demineralized water, 10g of thickener hydroxyethyl cellulose, 8g of dispersant polycarboxylate sodium salt, 4g of wetting agent fatty acid polyoxyethylene ether AEO-9, 30g of titanium dioxide, 50g of talc powder, and 50g of calcium carbonate, and add them to disperse In the machine, stir and disperse at 1000r / min for 10min, add 300g of compound modified starch emulsion, 200g of colored granules, 20g of propylene glycol, 5g of defoaming agent fatty acid metal soap, and 3g of neutralizing a...

Embodiment 2

[0056] 1. Preparation of colored particles

[0057] Weigh 780g of etherified starch, 140g of plasticizer ethylene glycol, and 320g of organic pigment permanent orange, and add them to a high-speed mixer and mix them for 6 minutes at a temperature of 110°C and a speed of 60 rpm. Extruded, cooled, pulverized and granulated to prepare granules with a particle size of 0.5 mm.

[0058] 2. Preparation of Colorful Textured Coatings

[0059] Take 250g of demineralized water, 10g of thickener carboxymethyl cellulose, 4g of polycarboxylate sodium salt as a dispersant, 3g of wetting agent sorbitan monostearate, 10g of titanium dioxide, 50g of talcum powder, and 50g of calcium carbonate, and add them to disperse In the machine, stir and disperse at 1100r / min for 15min, then add 360g of emulsion, 250g of colored particles, 10g of propylene glycol, 2g of defoaming agent organic phosphate, and 1g of neutralizing agent potassium hydroxide, and stir and disperse evenly to obtain a water-base...

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Abstract

The invention discloses a water-based environment-friendly colorful texture paint and a preparation method thereof to solve the problems that the existing colorful paint contains an organic solvent, which makes the product toxic, flammable and pollutes the environment. Its composition is calculated in parts by mass: 30-50 parts of emulsion, 20-40 parts of colored particles, 0.5-1.5 parts of thickener, 0.4-0.8 parts of dispersant, 0.2-0.4 parts of wetting agent, 0.5-2 parts of propylene glycol , 0.2-0.5 parts of defoamer, 1-3 parts of titanium dioxide, 3-5 parts of talcum powder, 1-5 parts of calcium carbonate, 0.1-0.3 parts of neutralizer, 10-40 parts of demineralized water. The invention uses modified starch and pigments as raw materials to prepare colored granules, and uses colored granules and compound modified starch emulsion as raw materials to prepare environmentally friendly colorful particle coatings, which have the characteristics of environmental protection, no bleeding, good compatibility, good repeatability and the like.

Description

technical field [0001] The invention belongs to the field of environmental protection coatings, in particular to a water-based environmental protection colorful texture coating and a preparation method thereof. Background technique [0002] Multi-color paint is a composite suspension dispersion paint composed of granular substances of different colors, sizes and shapes that are incompatible with the paint. It usually contains two or more color particles, forming various color patterns. One-time construction can get colorful patterns with different shades and levels, and can receive remarkable decorative effects after use. Multi-color paint can be used to paint surfaces that require multiple colors, and the state of wallpaper can be simulated by using multi-color paint. Moreover, many applications of colorful paint cannot be replaced by wallpaper. For example, colorful paint can easily paint irregular surfaces, and can also be used for exterior wall painting. It has the c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D151/02C09D5/29C09D7/12C08F251/00
Inventor 田映良马青斌崔芸郑旺斌杨万年
Owner GANSU GLDARK NEW MATERIAL
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