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Gypsum-base self-adjusting wet inner wall render material and preparation method thereof

A gypsum-based, construction gypsum powder technology, applied in the field of ecological building materials, can solve the problems of unfavorable environmental protection and energy saving, and achieve the effects of low production cost, good moisture absorption and release performance, and simple production process

Inactive Publication Date: 2009-07-22
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, air conditioning equipment is usually used to adjust the indoor air humidity, which is not conducive to environmental protection and energy saving

Method used

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  • Gypsum-base self-adjusting wet inner wall render material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0015] Gypsum-based self-humidity interior wall plastering material, which is composed of building gypsum powder, modified natural zeolite, redispersible latex powder SWFO1 (or called redispersible latex powder SWFO1), retarder and water retention agent; The building gypsum powder and modified natural zeolite account for the two gross mass percentages respectively: building gypsum powder 75%, modified natural zeolite 25%; 1.5%, the water-retaining agent accounts for 1.2% of the total mass of the building gypsum powder and the modified natural zeolite; the retarder accounts for 0.002% of the mass of the building gypsum powder. The water-retaining agent is methyl cellulose, and the setting retarder is citric acid.

[0016] Such as figure 1 As shown, the preparation method of the above-mentioned gypsum-based self-humidity-adjusting interior wall plastering material comprises the following steps: 1) select Henan Xinyang to produce clinoptilolite natural zeolite, and be 7% sulfuri...

Embodiment 2

[0019] Gypsum-based self-humidity interior wall plastering material, which is mixed by building gypsum powder, modified natural zeolite, redispersible latex powder SWFO1, retarder and water retention agent; said building gypsum powder, modified natural zeolite The percentages of the total mass of the two are: 65% of the construction gypsum powder and 35% of the modified natural zeolite; the redispersible latex powder SWFO1 accounts for 1.5% of the total mass of the construction gypsum powder and the modified natural zeolite. 1.2% of the total mass of gypsum powder and modified natural zeolite; retarder accounts for 0.002% of the mass of construction gypsum powder. The water-retaining agent is methyl cellulose, and the setting retarder is citric acid.

[0020] The preparation method of the above-mentioned gypsum-based self-humidity-adjusting interior wall plastering material comprises the following steps: 1) select the natural zeolite produced by Henan Gongyi City Yili Filter M...

Embodiment 3

[0023] Gypsum-based self-humidity interior wall plastering material, which is mixed by building gypsum powder, modified artificial zeolite, redispersible latex powder SWFO1, retarder and water retention agent; said building gypsum powder, modified artificial zeolite are made of The percentages of the total mass of the two are: construction gypsum powder 80, modified artificial zeolite 20; redispersible emulsion powder SWFO1 accounts for 1.5% of the total mass of construction gypsum powder and modified artificial zeolite, and the water retaining agent accounts for 1.5% of the total mass of construction gypsum powder and modified artificial zeolite. 1.2% of the total mass of gypsum powder and modified artificial zeolite; retarder accounts for 0.002% of the mass of construction gypsum powder. The water-retaining agent is methyl cellulose, and the setting retarder is citric acid.

[0024] The preparation method of the above-mentioned gypsum-based self-humidity-adjusting interior w...

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Abstract

The invention relates to a gypsum-based self-humidity-adjusting interior wall plastering material and a preparation method thereof. Gypsum-based self-humidity-adjusting interior wall plastering material, which is composed of building gypsum powder, modified zeolite, redispersible latex powder SWF01, retarder and water retention agent; the building gypsum powder and modified zeolite account for two The total mass percentages are respectively: 65-90% of building gypsum powder, 10-35% of modified zeolite; 1-3% of the total mass of building gypsum powder and modified zeolite accounted for by redispersible latex powder SWF01. It accounts for 0.8-1.5% of the total mass of building gypsum powder and modified zeolite; the retarder accounts for 0.001%-0.005% of the mass of building gypsum powder; the water-retaining agent is methyl cellulose, and the retarder is Citric acid or citrate. The prepared gypsum-based self-humidity-regulating interior wall plastering material has the characteristics of low cost, convenient use, and good humidity-regulating effect; it can be widely used in various civil construction projects, museums, libraries, art galleries, and bookstores.

Description

technical field [0001] The invention belongs to the technical field of ecological building materials, and in particular relates to a gypsum-based self-humidity-adjusting interior wall plastering material and a preparation method thereof. technical background [0002] Air humidity is an important environmental parameter. Relative humidity is very important to human production and life. Appropriate relative humidity is beneficial to people's physical and mental health, protection and preservation of objects, improvement of work and study efficiency and product quality. At present, air conditioning equipment is usually used to adjust the indoor air humidity, which is not conducive to environmental protection and energy saving. Therefore, it is one of the main development directions of building materials to use environmentally friendly and economical inorganic intelligent humidity regulating materials to regulate indoor air humidity. [0003] "Humidity-regulating material" refe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B14/04C04B24/38C04B24/04
CPCC04B14/047C04B2111/00517C04B28/14
Inventor 姜洪义王一萍
Owner WUHAN UNIV OF TECH