Indoor coating having humidity conditioning function and construction method thereof

A technology for interior wall coatings and functional materials, which is applied in the field of building decoration materials, can solve the problems of small moisture release of organic humidity-controlling materials, space pollution of objects, and small moisture capacity of montmorillonite, so as to achieve good indoor environment humidity adjustment and excellent The effect of using the effect

Inactive Publication Date: 2009-01-21
CHINA BUILDING MATERIALS ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these products have more or less disadvantages: the moisture analysis of silica gel shows a serious hysteresis phenomenon; the moisture capacity of montmorillonite is small; Humidity materials have a small amount of moisture relea

Method used

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  • Indoor coating having humidity conditioning function and construction method thereof
  • Indoor coating having humidity conditioning function and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0044] Acrylic emulsion 100g

[0045] Attapulgite (after pretreatment) 200 grams

[0046] Diatomaceous earth (after pretreatment) 100 grams

[0047] Light Calcium 100g

[0048] Talc powder 100g

[0049] DISPERBYK-108 15g

[0050] Alcohol Ester-12 10g

[0051] BYK-052 15g

[0052] Ammonia 10g

[0053] 350 grams of water

[0054] Prepare the humidity-adjusting paint of this example by the paint preparation method.

[0055] Test method and results: The paint was sprayed on two glass plates of 150mm×150mm according to the construction process of the present invention, and after natural drying, it was placed in an oven and dried at 80°C for 5 hours. Place two samples in a 10L airtight container with a temperature of 25°C and a relative humidity of 85%, and measure the maximum decrease in relative humidity in the container. After the relative humidity in the airtight container reaches equilibrium, change the environmental conditions in the container to 25°C and 35% relative...

example 2

[0061] styrene acrylic emulsion 400g

[0062] Sepiolite (after pretreatment) 210 grams

[0063] Ash calcium powder 80g

[0064] Lithopone 80g

[0065] Wollastonite powder 60g

[0066] Acrylic emulsion T-117A 5g

[0067] KATHON LXE 5g

[0068] Hydrochloric acid 10 grams

[0069] 150g water

[0070] Carry out functional test with the same method as Example 1, as a result, under the conditions of temperature 25°C and relative humidity 85%, the maximum reduction of relative humidity reaches 8%RH; Dehumidification under certain conditions, resulting in a maximum increase in relative humidity of 6% RH.

example 3

[0072] Vinegar Acrylic Emulsion 200g

[0073] Zeolite powder (after pretreatment) 150 grams

[0074] Kaolin (after pretreatment) 150g

[0075] Attapulgite clay 150g

[0076] Talc powder 100g

[0077] DISPERBYK-108 5 g

[0078] BYK-052 5g

[0079] water 240g

[0080] Carry out functional test with the same method as Example 1, the result is under the condition of temperature 25 ℃, relative humidity 85%, relative humidity maximum reduction amount reaches 10%RH; Dehumidification under certain conditions, resulting in a maximum increase in relative humidity of 6% RH.

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PUM

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Abstract

The invention provides internal wall decorative paint with the function of adjusting air humidity and a construction method thereof, belonging to the building material field. The paint in every 100 weight portion at least comprises 15 to 45 weight portions of a material with the function of adjusting the humidity. The internal wall decorative paint takes a porous inorganic mineral material such as sepiolite, diatomite and attapulgite as the material with the function of adjusting the humidity, is applied to the building internal wall paint, and is matched with the corresponding paint construction process. The paint construction process comprises the following steps: a substrate is polished and leveled and keeps clean and dry firstly; secondly, the paint is sprayed on the internal wall surface by a spray gun with a large-caliber nozzle of 2.5 millimeters, and the thickness of a coat is between one and two millimeters so that the paint can effectively adjust the indoor air humidity as well as has the function of decorating and the indoor air humidity is controlled within the range beneficial to the human body health; meanwhile, the paint does not pollute the environment, and has zero VOC emission. The construction process ensures that the paint effectively fulfills the humidity adjusting function aiming at the characteristic of the humidity adjusting function of the paint.

Description

technical field [0001] The invention relates to building decoration materials, in particular to a functional interior wall paint and a construction process thereof. Background technique [0002] Air relative humidity is an important parameter to measure the indoor environment, which is of great significance to human health, indoor air quality and storage of articles. Japanese scholar Nishito Miyano first proposed the concept of "humidity control materials". In recent years, humidity control materials have gradually developed, and humidity control products cover building materials, textiles and other fields. [0003] Japan has been at the forefront of the world in the development and application of humidity control materials. In recent years, Japan has obtained a number of patents on humidity control materials, mainly mixing commonly used special silica gel, montmorillonite, inorganic salts, organic polymer materials and other humidity control materials into other materials ...

Claims

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Application Information

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IPC IPC(8): C09D7/12C09D5/00C09D133/04C09D133/00C09D167/08C09D131/04C09D125/14E04F13/02E04F21/08
Inventor 侯国艳王静冀志江李海建王晓燕王继梅丁楠
Owner CHINA BUILDING MATERIALS ACAD
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