Gypsum-base self-flatting ground making level material and preparation process thereof

A flat ground, gypsum-based technology, applied in the field of building materials, can solve the problems of poor water resistance of hemihydrate gypsum self-leveling, high cost of epoxy self-leveling coatings, inconvenient use and transportation, etc., to improve market competitiveness, set time Suitable, high hardening strength effect

Inactive Publication Date: 2005-11-09
安徽恒泰非金属材料科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high cost of epoxy self-leveling coatings and inconvenient use and transportation; the production of cement and hemihydrate gypsum has large energy consumption and serious pollution
And the self-leveling water resistance of hemihydrate gypsum is poor

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Natural anhydrite powder 80

[0024] Alkaline Stimulator 20

[0025] Potassium salt series stimulator 0.33

[0026] Sodium salt series activator 0.33

[0027] Transition metal sulfate 0.34

[0028] Water retaining agent 0.08

[0029] Superplasticizer 1.5

[0030] Defoamer 0.3

[0031] The ground self-leveling material composed of this formula has moderate setting time, fast setting and hardening, high strength, smooth and delicate surface, and is suitable for leveling new ground in summer and repairing old ground, sandy ground and unqualified ground.

Embodiment 2

[0033] Natural anhydrite powder 80

[0034] Alkaline Stimulator 20

[0035] Potassium salt series stimulator 0.1

[0036] Sodium salt series activator 0.25

[0037] Transition metal sulfate 0.50

[0038] Water retaining agent 0.05

[0039] Water reducer 1.3

[0040] Defoamer 0.3 The ground self-leveling material composed of this formula has good fluidity, moderate setting time and high strength, and is suitable for leveling new ground.

Embodiment 3

[0042] Natural anhydrite powder 80

[0043] Alkaline Stimulator 20

[0044] Potassium salt series stimulator 0.50

[0045] Transition metal sulfate 0.50

[0046] Water retaining agent 0.05

[0047] Water reducing agent 1.2

[0048] Defoamer 0.2

[0049] fine river sand 50

[0050] The ground self-leveling material composed of this formula has good fluidity, long setting time, and high strength. It is suitable for leveling the base of the secondary ground, repairing the old ground, sandy ground and unqualified ground.

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Abstract

A self-leveling gypsum-based floor-leveling material for building is proportionally prepared from natural anhydrous gypsum, alkaline exciter, acidic exciter, water preserving agent, water decreasing agent and defoamer through grinding anhydrous gypsum, premixing others, mixing the anhydrous gypsum powder with the premixture, and stirring.

Description

technical field [0001] The invention is applied in the technical field of building materials, and in particular relates to a gypsum base ground self-leveling and leveling material and a preparation method thereof. Background technique [0002] Self-leveling is a building floor leveling material that is dry-mixed with inorganic or organic gelling materials, superplasticizers and other additives and fine river sand (quartz sand). When using, just add water according to the specified range of water-cement ratio and mix evenly. After mechanical pumping or manual construction, no manual smoothing is required, and the slurry flows under its own gravity to form a smooth surface. The self-leveling material has a high level of construction, saves labor and time, and is an ideal material for ground leveling construction. [0003] In recent years, there are common reports on the development of self-leveling products for various substrates, but they mainly focus on the development of h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
Inventor 董兵岳文海李明李祥飞
Owner 安徽恒泰非金属材料科技有限责任公司
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