Light plastering anhydrite, preparation method and application

A light-weight technology for plaster plastering, applied in the field of plaster plastering, can solve the problems that plaster plastering is difficult to meet the requirements of lightness and environmental protection at the same time, and achieve the effect of shortening the decoration period, good project quality, and good workability

Inactive Publication Date: 2019-01-04
辽宁飞龙达建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem solved by the present invention is that it is difficult to satisfy the light weight and environmental protection problem at the same time for plastering plaster, and to provide a lightweight plastering plaster with light specific gravity, good heat insulation and sound insulation effect, and excellent fireproof performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment １

[0039] A light-weight plastering gypsum is composed of the following raw materials, calculated by 100 parts by weight, and the dosage of each raw material is:

[0040] High strength gypsum powder 70

[0041] Ground Calcium Carbonate 10

[0042] Vitrified Beads 15

[0043] Methylcellulose 3

[0044] Guar Gum Blend 1

[0045] Tapioca Pregelatinized Starch 1

[0046] The production method of light plaster plaster is to weigh the raw materials according to the above raw materials, and use the feeding equipment to put them into the material cabin respectively. The material cabin and the mixing cabin are connected by lifting equipment, and various raw materials enter the mixing cabin one by one. After the completion, the stirring timing starts until the specified time ends, the stirring hatch door is opened, and the finished material enters the finished product warehouse, and then is packed by the packaging machine.

[0047] The prepared lightweight plaster has been tested and ...

Embodiment 2

[0051] A light-weight plastering gypsum is composed of the following raw materials, calculated by 100 parts by weight, and the dosage of each raw material is:

[0052] High strength gypsum powder 69.5

[0053] Ground calcium carbonate 9

[0054] Vitrified Beads 16

[0055] Methylcellulose 2

[0056] Guar Gum Blend 1.5

[0057] Tapioca Pregelatinized Starch 2

[0058] The preparation method of light plaster plaster is with above-mentioned embodiment 1.

[0059]The prepared lightweight plaster has been tested and found to have a light specific gravity and a bulk density of 700kg / m³. After survival, the weight of the same volume is about 40% of that of ordinary gypsum. The thermal conductivity of the hardened body is 0.35W / (mk). For use, the plastering layer of light-weight plaster plaster hardens quickly, and the layer can be plastered about 1.3 hours after the completion of the plastering of the bottom layer. It is not necessary to wait for the base layer to dry before pla...

Embodiment 3

[0064] A light-weight plastering gypsum is composed of the following raw materials, calculated by 100 parts by weight, and the dosage of each raw material is:

[0065] High strength gypsum powder 66

[0066] Ground Calcium Carbonate 15

[0067] Vitrified Beads 12

[0068] Methylcellulose 2

[0069] Guar Gum Blend 3

[0070] Tapioca Pregelatinized Starch 2

[0071] The preparation method of light plaster plaster is with above-mentioned embodiment 1.

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Abstract

The invention belongs to building materials, and particularly relates to light plastering anhydrite which comprises, in 100 parts by weight, 65-80 parts of high-strength anhydrite powder, 4-20 parts of heavy calcium carbonate, 9-20 parts of glass beads, 1-8 parts of methylcellulose, 0.2-5 parts of guar gum mixture and 0.3-4 parts of cassava pregelatinized starch. Raw materials are accurately screened, proportions are scientifically calculated, production technologies are stable and mature, and constructability is strong. The light plastering anhydrite definitely becomes a special green environment-friendly plastering material for novel walls and ceilings in the future, and can be widely applied.

Description

technical field [0001] The invention belongs to a building material, in particular to plaster plaster. Background technique [0002] With the improvement of people's living standards, the improvement of living conditions and living environment is one of the important signs. People not only require spacious living, but also require a higher quality of living and a more comfortable living environment. With the rapid development of the construction industry, new wall materials have been widely used in the construction market due to their light weight, high strength, and energy saving. Some traditional materials are gradually being replaced by new materials. For example, the practice of using traditional cement mortar and mixed mortar for wall plastering materials is far from being able to meet the needs. These traditional plastering materials have disadvantages such as cracking, hollowing, more dust on the ground, and poor bonding performance. Secondly, due to the slow setti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B111/40
CPCC04B28/14C04B2111/00482C04B2111/40C04B2201/32C04B14/28C04B14/24C04B24/383C04B24/38
Inventor 张海涛
Owner 辽宁飞龙达建材科技有限公司
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