Tile gap filling mortar

A mortar and tile technology, applied in the field of mortar for tile caulking

Inactive Publication Date: 2015-06-24
许勤峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the above-mentioned technical problems, the present invention provides a ceramic tile caulking mortar, and the present invention solves the technical problems of poor adhesion and easy cracking in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Example 1: A ceramic tile joint mortar, the components and parts by weight are 370 parts of ordinary Portland cement, 520 parts of sand, 40 parts of heavy calcium powder, 2 parts of polymer xanthan gum powder, and hydroxypropyl 0.25 parts of base methyl cellulose, 5 parts of redispersible latex powder, 1 part of water repellent, 1 part of glass water, 1 part of water reducing agent.

[0013] Take ordinary Portland cement, sand, heavy calcium powder, polymer xanthan gum powder, hydroxypropyl methyl cellulose, redispersible latex powder, water-repellent, glass water, and water-reducing agent and mix together in proportion. Add clean water to the mixer in the proportion of 25-30% of the weight of the material to mix evenly for about 20 minutes to obtain a mortar with good workability and strong adhesion. Comprehensive performance of the bonding mortar: consistency 6.6 g / cm·s, water retention rate 0.145kg / m 3 , 7d shrinkage rate 2.95*10 -4 , 28d shrinkage rate 6.32*10 -4 , The...

Embodiment 2

[0014] Example 2: A tile joint mortar, the components and parts by weight are 395 parts of ordinary portland cement, 550 parts of sand, 45 parts of heavy calcium powder, 2.5 parts of polymer xanthan gum powder, and hydroxypropyl 0.5 parts of methyl cellulose, 7.5 parts of redispersible latex powder, 1.5 parts of water repellent, 2 parts of glass water, 2.5 parts of water reducing agent.

[0015] Take ordinary Portland cement, sand, heavy calcium powder, polymer xanthan gum powder, hydroxypropyl methyl cellulose, redispersible latex powder, water-repellent, glass water, and water-reducing agent and mix together in proportion. Add clean water to the mixer in the proportion of 25-30% of the weight of the material to mix evenly for about 20 minutes to obtain a mortar with good workability and strong adhesion. Comprehensive performance of the bonding mortar: consistency 6.8g / cm·s, water retention rate 0.135kg / m 3 , 7d shrinkage rate 2.25*10 -4 , 28d shrinkage rate 5.45*10 -4 , The bon...

Embodiment 3

[0016] Example 3: A tile joint mortar, the components and parts by weight are 420 parts of ordinary Portland cement, 580 parts of sand, 50 parts of heavy calcium powder, 3 parts of polymer xanthan gum powder, and hydroxypropyl 0.75 parts of base methyl cellulose, 10 parts of redispersible latex powder, 2 parts of water repellent, 3 parts of glass water, 5 parts of water reducing agent.

[0017] Take ordinary Portland cement, sand, heavy calcium powder, polymer xanthan gum powder, hydroxypropyl methyl cellulose, redispersible latex powder, water-repellent, glass water, and water-reducing agent and mix together in proportion. Add clean water to the mixer in the proportion of 25-30% of the weight of the material to mix evenly for about 20 minutes to obtain a mortar with good workability and strong adhesion. Comprehensive performance of the bonding mortar: consistency 6.3g / cm·s, water retention rate 0.142kg / m 3 , 7d shrinkage rate 2.65*10 -4 , 28d shrinkage rate 6.04*10 -4 , The bond...

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Abstract

A tile gap filling mortar comprises a base material and an additive, and the base material comprises, by weight, 370-420 parts of ordinary Portland cement, 520-580 parts of sand and 40-50 parts of heavy calcium powder; and the additive comprises, by weight, 2-3 parts of high-molecular xanthan gum powder, 0.25-0.75 parts of hydroxypropyl methyl cellulose, 5-10 parts of re-dispersible latex powder, 1-2 parts of a water repellent, 1-3 parts of glass water and 1-5 parts of a water reducer. The increase of the additive improves the water retention and the bonding force of the mortar, reduces the shrinkage of the mortar and increases the ageing resistance of the mortar, so the mortar can effectively fill gaps between tiles, and slit cracking is avoided. The addition of the water glass makes the adhesion stress and the acid and alkali resistance of the mortar enhanced. The addition of the water repellent enhances the corrosion resistance of the gap filling mortar to make a permanent waterproof film formed.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a mortar used for tile joint filling. Background technique [0002] At present, the mortar for tile joint filling is to mix sand, cement, water-repellent agent and water on site according to a certain ratio to make simple cement mortar for the joint filling of ceramic tiles. Although this type of mortar is added with a small amount of water-repellent agent and other additives, the water-repellent function of the mortar is improved to a certain extent, but the strength of this type of mortar for caulking is not high, and the gap between tiles is the strength of the entire floor or wall. The lower places are prone to cracking and damage, the bonding force is not strong, and the phenomenon of pan-alkaline water is prone to occur. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B24/38
Inventor 许勤峰
Owner 许勤峰
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