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Plastering gypsum and preparation method thereof

A technology of painting gypsum and desulfurized gypsum, which is applied in the field of gypsum, can solve problems such as poor cohesive force and cumbersome construction operations, and achieve the effects of strong cohesive power, shortened construction period, and improved cohesive power and thermal insulation performance

Inactive Publication Date: 2017-09-15
HEFEI GUANGMIN BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing stucco gypsum has poor adhesion to the base wall, and the construction operation is cumbersome.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A plaster for plastering, comprising the following raw materials: 55 parts of desulfurized gypsum, 40 parts of modified rubber powder, 34 parts of cement, 24 parts of liquid paraffin, 20 parts of modified diatomite, 18 parts of mineral admixture, manganese slag 14 parts, 10 parts of additives and 45 parts of water;

[0031] The modified rubber powder includes the following raw materials: 24 parts of rubber powder, 20 parts of vinyltriethoxysilane, 17 parts of hydroxyethyl acrylate, 10 parts of potassium persulfate and 15 parts of water;

[0032] The auxiliary agent includes the following raw materials: 2 parts of activator, 2 parts of water-retaining agent, 1 part of binder, 1 part of water-reducing agent, 1 part of retarder, 0.8 part of anti-cracking agent and 0.4 part of water-repellent agent .

[0033] Wherein, the desulfurized gypsum is hemihydrate gypsum obtained by calcining waste residue produced after desulfurization of flue gas in a power plant, and the averag...

Embodiment 2

[0048] A plastering gypsum, comprising the following raw materials: 65 parts of desulfurized gypsum, 42 parts of modified rubber powder, 36 parts of cement, 26 parts of liquid paraffin, 22 parts of modified diatomite, 20 parts of mineral admixture, manganese slag 16 parts, 14 parts of additives and 65 parts of water;

[0049] The modified rubber powder includes the following raw materials: 26 parts of rubber powder, 21 parts of vinyltriethoxysilane, 18 parts of hydroxyethyl acrylate, 13 parts of potassium persulfate and 16 parts of water;

[0050] The auxiliary agent includes the following raw materials: 3 parts of activator, 3 parts of water-retaining agent, 2 parts of binder, 2 parts of water reducing agent, 2 parts of retarder, 1.2 parts of anti-cracking agent and 0.6 parts of water-repellent agent .

[0051] Wherein, the desulfurized gypsum is hemihydrate gypsum obtained by calcining waste residue produced after desulfurization of flue gas in a power plant, and the average ...

Embodiment 3

[0066] A plastering gypsum, comprising the following raw materials: 60 parts of desulfurized gypsum, 41 parts of modified rubber powder, 35 parts of cement, 25 parts of liquid paraffin, 21 parts of modified diatomite, 19 parts of mineral admixture, manganese slag 15 parts, 12 parts of additives and 55 parts of water;

[0067] The modified rubber powder includes the following raw materials: 24-26 parts of rubber powder, 20-21 parts of vinyltriethoxysilane, 17.5 parts of hydroxyethyl acrylate, 11.5 parts of potassium persulfate and 15.5 parts of water;

[0068] The auxiliary agent includes the following raw materials: 2.5 parts of activator, 2.5 parts of water-retaining agent, 1.5 parts of binder, 1.5 parts of water-reducing agent, 1.5 parts of retarder, 1 part of anti-cracking agent and 0.5 parts of water-repellent .

[0069] Wherein, the desulfurized gypsum is hemihydrate gypsum obtained by calcining waste residue produced after desulfurization of flue gas in a power plant, a...

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Abstract

The invention discloses plastering gypsum and a preparation method thereof, and relates to the technical field of gypsum. The plastering gypsum comprises the following raw materials in parts by weight: 55-65 parts of desulfurated gypsum, 40-42 parts of modified rubber powder, 34-36 parts of cement, 24-26 parts of liquid paraffin, 20-22 parts of modified kieselguhr, 18-20 parts of mineral admixture, 14-16 parts of manganese slag, 10-14 parts of an auxiliary agent and 45-65 parts of water. The plastering gypsum is adhered to a base wall well, a coating cannot crack and cannot drop easily, and construction is facilitated.

Description

technical field [0001] The invention relates to the technical field of gypsum, in particular to a plaster for plastering and a preparation method thereof. Background technique [0002] In recent years, the leveling requirements for building interior decoration, appearance requirements and environmental protection requirements have become higher and higher, so the interior decoration materials are required to have harmless and environmental protection characteristics, and plaster plaster is an inorganic material, non-toxic, harmless, fireproof and environmentally friendly. It is used for plastering various walls and ceilings in buildings, and the gypsum itself contains 2 crystal waters, which can discharge water when the external environment is dry, so it can adjust the indoor humidity and has fire prevention effect. However, the existing plaster plaster has poor bonding force with the base wall, and the construction operation is cumbersome. Contents of the invention [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B111/20C04B111/34
CPCC04B28/144C04B2111/00482C04B2111/20C04B2111/343C04B18/22C04B7/02C04B24/10C04B14/08C04B18/08C04B18/141C04B24/42C04B24/045C04B22/14C04B22/124C04B22/06C04B22/142C04B22/148C04B22/00C04B24/383C04B24/2623C04B22/16C04B2103/302C04B7/32C04B24/06C04B7/14C04B18/146
Inventor 黄洋
Owner HEFEI GUANGMIN BUILDING MATERIAL CO LTD
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