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Gypsum base plastering mortar and gypsum base gravity flowing levelling mortar

A plastering mortar, gypsum-based technology, applied in the field of gypsum-based plastering mortar, gypsum-based self-leveling mortar or dry-mixed mortar, can solve problems such as inability to store moisture, adjust air humidity, and have no fire prevention or prolonged ignition.

Inactive Publication Date: 2006-11-15
BEIJING SOULLEADER TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, all building materials are cement-based building materials. Its structure has very low porosity, cannot store much water, cannot adjust indoor air humidity, and does not have the function of preventing fire or prolonging fire.

Method used

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  • Gypsum base plastering mortar and gypsum base gravity flowing levelling mortar
  • Gypsum base plastering mortar and gypsum base gravity flowing levelling mortar
  • Gypsum base plastering mortar and gypsum base gravity flowing levelling mortar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0144] A kind of gypsum-based plastering mortar or dry-mixed mortar, is characterized in that it is the mortar or dry-mixed mortar that it is made of the raw material of following weight % (also can represent with parts by weight):

[0145] Alpha / beta hemihydrate gypsum 20%

[0146] Quartz sand 16% (grain size 0-1mm)

[0147] 14% (grain size is 1-2mm)

[0148] Ca(OH) 2 5%

[0149] Fly ash (dry) 1.5%

[0150] Slag (ground) 0.5%

[0151] Limestone (ground) 3%

[0152] Pumice 3%

[0153] Scoria 1%

[0154] Ceramsite 0.2%

[0155] Polystyrene foam lightweight aggregate 0.5%

[0156] Expanded Perlite 0.35%

[0157] Zeolite 0.15%

[0158] Vinyl acetate and ethylene copolymer resin 5%

[0159] Methyl Hydroxyethyl / Methyl Hydroxypropyl Cellulose Ether 5%

[0160] Sulfonated melamine formaldehyde resin 0.3%

[0161] Gluconate 0.2%

[0162] Lignosulfonate 0.3%

[0163] Tartaric acid 4%

[0164] Calcium Sugar 2%

...

Embodiment 2

[0174] A gypsum-based plastering mortar or dry-mixed mortar, characterized in that it is a mortar or dry-mixed mortar made of the following raw materials in % by weight:

[0175] Alpha / beta hemihydrate gypsum 19%

[0176] Quartz sand 14% (grain size 0-1mm)

[0177] 16% (grain size is 1-2mm)

[0178] Ca(OH) 2 4%

[0179] Fly ash (dry) 0.5%

[0180] Slag (ground) 2.0%

[0181] Limestone (ground) 2%

[0182] Pumice 4%

[0183] Scoria 2%

[0184] Ceramsite 0.4%

[0185] Polystyrene foam lightweight aggregate 0.35%

[0186] Expanded Perlite 0.45%

[0187] Zeolite 0.1%

[0188] Vinyl acetate and ethylene copolymer resin 4%

[0189] Methyl Hydroxyethyl / Methyl Hydroxypropyl Cellulose Ether 6%

[0190] Sulfonated melamine formaldehyde resin 0.2%

[0191] Gluconate 0.3%

[0192] Lignosulfonate 0.2%

[0193] Tartaric acid 3%

[0194] Calcium Sugar 4%

[0195] Citric Acid 3%

[0196] Zinc salt 3.5%

[01...

Embodiment 3

[0204] A gypsum-based plastering mortar or dry-mixed mortar, characterized in that it is a mortar or dry-mixed mortar made of the following raw materials in % by weight:

[0205] Alpha / beta hemihydrate gypsum 20%

[0206] Quartz sand 15% (grain size 0-1mm)

[0207] 15% (grain size is 1-2mm)

[0208] Ca(OH) 2 5%

[0209] Fly ash (dry) 1.0%

[0210] Slag (ground) 1.0%

[0211] Limestone (ground) 3%

[0212] Pumice 2%

[0213] Scoria 2%

[0214] Ceramsite 0.2%

[0215] Polystyrene foam lightweight aggregate 0.4%

[0216] Expanded Perlite 0.4%

[0217] Zeolite 0.10%

[0218] Vinyl acetate and ethylene copolymer resin 5%

[0219] Methyl Hydroxyethyl / Methyl Hydroxypropyl Cellulose Ether 5%

[0220] Sulfonated melamine formaldehyde resin 0.3%

[0221] Gluconate 0.3%

[0222] Lignosulfonate 0.3%

[0223] Tartaric acid 3%

[0224] Calcium Sugar 3%

[0225] Citric Acid 3%

[0226] Zinc salt 3%

[0227]...

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Abstract

A gypsum-based mortar for plastering is prepared from semi-hydrated gypsum, quartz sand, Ca(OH)2, powdered coal ash, slag, lime stone, hoolamite, volcanic dregs, haydite, polystyrene foam, expanded pearlite, zeolite, and ethene-vinyl acetate copolymer resin. Agypsum-based mortar for automatic leveling is prepared from semi- hydrated gypsum, quartz sand, Ca(OH)2, powdered coal ash, slag, lime stone, ethene-vinyl acetate copolymer resin, methyl hydroxyethyl (or hydroxypropyl) cellulose ether, sulfonated cyanuramide-formaldehyde resin and gluconate.

Description

technical field [0001] The present invention relates to a gypsum-based mortar, more specifically to a gypsum-based plastering mortar (or dry-mixed mortar) and a gypsum-based self-leveling mortar or dry-mixed mortar. Background technique [0002] At present, the building materials used are all cement-based building materials. Its structure has a very low porosity, cannot store much water, cannot adjust the indoor air humidity, and does not have the function of preventing fire or prolonging fire. [0003] Due to the above problems in the prior art, there is an urgent need on the market for a building material that can store more moisture, can regulate indoor air humidity, and can prevent fire or prolong the function of igniting. Contents of the invention [0004] The technical problem to be solved by this invention is to overcome the deficiencies in the prior art, to provide a kind of high porosity that can absorb the moisture in the air, and release the gypsum-based plaster...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14C04B14/04C04B14/06C04B18/08
CPCY02W30/91
Inventor 刘峰岳
Owner BEIJING SOULLEADER TECH DEV
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