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Single-component gypsum-based water-resistant putty and construction method thereof

A technology of water-resistant putty and construction method, used in filling slurry, covering/lining, construction, etc., can solve problems such as easy cracking and water resistance, and achieve the effects of good water resistance, convenient grinding and lower production costs

Inactive Publication Date: 2019-05-28
ZHEJIANG ZHIQIANG PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the single-component putty on the market is mostly cement-based and lime-calcium powder-based, which has many shortcomings such as easy cracking, thin-layer scraping, and water resistance. There are too many quality accidents caused by putty quality problems

Method used

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  • Single-component gypsum-based water-resistant putty and construction method thereof
  • Single-component gypsum-based water-resistant putty and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0085] Take 30g of desulfurized gypsum, 3g of white cement, 36.05g of organic fillers, 8g of inorganic fillers and 5g of additives, stir and mix for a period of time, pack and pack to obtain powdery finished products;

[0086] Mix the powdery one-component gypsum-based water-resistant putty with water at a weight ratio of 1:0.48;

[0087] Stir the mixture for 5 minutes, let it stand for 3 minutes, add 5% inorganic filler accounting for the weight of the total mixture, stir for a while, then add water accounting for 8% of the weight of the total mixture and continue stirring for a period of time;

[0088] Apply the mixed gypsum-based water-resistant putty on the surface of the mortar or concrete base with a batch scraper. Depending on the flatness of the base, control the thickness of the application between 2-5mm, and perform grinding and repairing within 24 hours. After the repair is completed, the next step of construction can be carried out.

Embodiment 2

[0090] Take 35g of desulfurized gypsum, 5g of white cement, 36.05g of organic fillers, 5g of inorganic fillers and 7g of additives, stir and mix for a period of time, pack and pack to obtain powdery finished products;

[0091] Mix the powdery one-component gypsum-based water-resistant putty with water at a weight ratio of 1:0.48;

[0092] Stir the mixture for 6 minutes, let it stand for 3 minutes, add 3% inorganic filler accounting for the weight of the total mixture, stir for a while, then add water accounting for 6% of the weight of the total mixture and continue stirring for a period of time;

[0093] Apply the mixed gypsum-based water-resistant putty on the surface of the mortar or concrete base with a batch scraper. Depending on the flatness of the base, control the thickness of the application between 2-5mm, and perform grinding and repairing within 24 hours. After the repair is completed, the next step of construction can be carried out.

Embodiment 3

[0095] Take 32g of desulfurized gypsum, 4g of white cement, 45g of organic filler, 5g of inorganic filler and 3.62g of additives, stir and mix for a period of time, pack and pack to obtain a powdery finished product;

[0096] Mix the powdery one-component gypsum-based water-resistant putty with water at a weight ratio of 1:0.48;

[0097] Stir the mixture for 5 minutes, let it stand for 3 minutes, add 5% inorganic filler accounting for the weight of the total mixture, stir for a while, then add water accounting for 8% of the weight of the total mixture and continue stirring for a period of time;

[0098] Apply the mixed gypsum-based water-resistant putty on the surface of the mortar or concrete base with a batch scraper. Depending on the flatness of the base, control the thickness of the application between 2-5mm, and perform grinding and repairing within 24 hours. After the repair is completed, the next step of construction can be carried out.

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Abstract

The invention provides single-component gypsum-based water-resistant putty and a construction method thereof. The single-component gypsum-based water-resistant putty adopts powder packaging and is prepared from the components in percentage by weight: 30-35% of desulfurized gypsum, 3-5% of white cement, 36.05-58.38% of an organic filler, 5-10% of an inorganic filler, 3.62-7.0% of an additive, 0.15-0.40% of a water-retaining thickener, 0.01-0.05% of an expanding agent, 0.1-0.2% of an anti-settling agent, and 0.015-0.04% of a thickening starch agent. The single-component gypsum-based water-resistant putty is mixed through a stirrer and then discharged to be packaged into powder products, and packaging and transporting are convenient; and the single-component gypsum-based water-resistant puttyhas the advantages of being quickly dried within two hours, and being easy to smear in batches, low in cost, single in component, easy to construct, moderate in strength, capable of being applied inbatches in a thick-layer mode, good in water resistance, high in anti-crack capacity and the like.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a single-component gypsum-based water-resistant putty and a construction method thereof. Background technique [0002] At present, the single-component putty on the market is mostly cement-based and lime-calcium powder-based, which has many shortcomings such as easy cracking, thin-layer scraping, and water resistance. There are too many quality accidents caused by putty quality problems. [0003] Therefore, how to improve the flexibility of the putty so that it can be scraped in thick layers, and dry quickly, can be manually applied and mechanically sprayed, and the strength meets the construction requirements, etc., is a technical problem that needs to be solved urgently. Contents of the invention [0004] In order to solve at least one of the technical problems in the above-mentioned related technologies, the present invention provides a single-component gypsum-based water-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/34E04F13/04
Inventor 张伟卢志强金敏敏
Owner ZHEJIANG ZHIQIANG PAINT
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