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Environment-friendly interior wall coating material with calcined shell powder as base stock and preparation method of environment-friendly interior wall coating material

A technology of interior wall paint and shell powder, applied in the direction of starch paint, cellulose paint, coating, etc., can solve the problems of shortage of raw materials such as high polymer titanium dioxide, high production cost of liquid paint, complex paint production process, etc., to achieve Good construction effect, good covering effect, good low temperature resistance effect

Active Publication Date: 2013-03-20
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These liquid paints are usually based on high molecular polymers, bonded with various adhesives, and use titanium dioxide as the main pigment. The rising cost of raw materials faced by paint manufacturers mainly comes from the price increase of titanium dioxide. The continued rise, coupled with rising prices for petrochemical raw materials such as propylene, has made these liquid coatings costly and expensive to produce
Most liquid coatings use organic solvents, especially some anti-corrosion coatings, which contain high volatile organic compounds. These coatings will release some toxic and harmful components during use. If they are in this environment for a long time, they will cause physical discomfort
Most paints stop at reducing harmful components, and there are few products that consider the function of removing some harmful components
Moreover, the coating production process is relatively complicated, and at the same time, it faces the shortage of raw materials such as polymers and titanium dioxide.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh 4.0 g of cellulose, 1.0 g of sodium benzoate, and 95 g of distilled water, put them in a beaker and heat them in a water bath at 90°C to make cellulose colloid. Weigh 4.0 g of cornstarch, 2.0 g of sodium hydroxide, and 94 g of distilled water, put them in a beaker and heat them in a water bath at 90°C to make starch colloid. Pour 125 g of distilled water into the container, and then add 45 g of cellulose colloid, 10 g of ethylene glycol, 5 g of TH-5040, 3.0 g of HT-503, and stir for 10 minutes. After observing that all the raw materials are fully dissolved, proceed to the next step. Slowly add 220 g of cooked shell powder (200 mesh, calcined at 200°C for 12 hours) in batches, and stir for another 30 minutes. Add 45 g of starch colloid, stir for 5 minutes, then sequentially add 35 g of styrene-acrylic emulsion (solid content: 46%, pH value: 9, viscosity: 1000MPa·s), lauryl alcohol ester (purchased from Changzhou Xuanyuan Chemical Co., Ltd. ) 5.0 g, AMP-95 2.5 g, s...

Embodiment 2

[0032] Weigh 3.0 g of cellulose, 0.7 g of sodium benzoate, and 96.3 g of distilled water, put them in a beaker and heat them in a water bath at 95°C to make cellulose colloid. Weigh 3.0 g of cornstarch, 1.5 g of sodium hydroxide, and 95.5 g of distilled water, put them in a beaker and heat them in a water bath at 85°C to make starch colloid. Pour 112.5 g of distilled water into the container, and then add 40 g of cellulose colloid, 7.5 g of ethylene glycol, 8.0 g of SKR-3060, and 2.0 g of PA-311, and stir for 10 minutes. After observing that all raw materials are fully dissolved, proceed to the next step. Slowly add 245 g of cooked shell powder (200 mesh, calcined at 200°C for 10 hours) in batches, and stir for another 30 minutes. Add 40 g of starch colloid, stir for 5 minutes, then sequentially add 35 g of styrene-acrylic emulsion (solid content: 47%, pH value: 8, viscosity: 3000MPa·s), lauryl alcohol ester (k-12, purchased from Nanjing Tonghai Technology Co., Ltd.) 5.0 g, A...

Embodiment 3

[0035] Weigh 2.5 g of cellulose, 0.5 g of sodium benzoate, and 97 g of distilled water, put them in a beaker and heat them in a water bath at 85°C to make cellulose colloid. Weigh 2.5 g of cornstarch, 0.5 g of sodium hydroxide, and 97 g of distilled water, put them in a beaker and heat them in a water bath at 95°C to make starch colloid. Pour 106.5 g of distilled water into the container, and then add 35 g of cellulose colloid, 7.5 g of ethylene glycol, 10 g of SKR-3060, and 1.0 g of HT-503, and stir for 10 minutes. After observing that all raw materials are fully dissolved, proceed to the next step. Slowly add 265 g of cooked shell powder (200 mesh, calcined at 400°C for 8 hours) in batches, and stir for another 30 minutes. Add 35 g of starch colloid, stir for 5 minutes, and then sequentially add 35 g of styrene-acrylic emulsion (solid content: 48%, pH: 7, viscosity: 2000MPa·s), lauryl alcohol ester (purchased from Changzhou Xuanyuan Chemical Co., Ltd. company) 2.5 g, AMP-95...

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Abstract

The invention relates to a coating material and a preparation method thereof, and in particular relates to an environment-friendly interior wall coating material with calcined shell powder as base stock and a preparation method of the environment-friendly interior wall coating material. The environment-friendly interior wall coating material comprises the following components in percentage by weight: 44-53 percent of calcined shell powder, 7.0-9.0 percent of starch gel, 7.0-9.0 percent of cellulose gel, 7.0-9.5 percent of styrene-acrylic emulsion, 1.0-2.0 percent of glycol, 1.0-2.0 percent of dispersing agent, 0.5-1.5 percent of coalescing agent, 0.5-1.5 percent of defoaming agent, 0.2-0.6 percent of multifunctional additive and the balance of water. The coating material produced by using the preparation method not only accords with basic standards of national coating materials, is resistant to alkali, scouring and low temperature and good in covering effect and construction effect, but also has the function of better adsorbing harmful gases, such as formaldehyde and is an environment-friendly purely natural nuisanceless interior wall coating material.

Description

Technical field: [0001] The invention relates to a coating and a preparation method thereof, in particular to an environment-friendly interior wall coating using cooked shell powder as a base material and a preparation method thereof. Background technique: [0002] At present, interior wall paints include liquid paints and powder paints, and common wall paints are liquid paints. These liquid paints are usually based on high molecular polymers, bonded with various adhesives, and use titanium dioxide as the main pigment. The rising cost of raw materials faced by paint manufacturers mainly comes from the price increase of titanium dioxide. The continued rise, coupled with rising prices for petrochemical feedstocks such as propylene, has made these liquid coatings costly and expensive to produce. Most of the liquid coatings use organic solvents, especially some anti-corrosion coatings, which have a high content of volatile organic compounds. These coatings will release some tox...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D101/02C09D103/02C09D7/12
Inventor 衣悦涛冯大伟刘广洋靳志明张洪霞
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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