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Nano-aerogel modified bi-component ceramic tile backing adhesive as well preparation method and use method thereof

A nano-airgel, two-component technology, applied in the direction of adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve the problem of limited bond strength of vitrified tiles, falling off of vitrified tiles, and inability to effectively solve the problem of sticking The problem of large stress in the brick layer can be solved to solve the problem of easy hollowing and falling off and improve the bonding strength

Active Publication Date: 2019-03-26
SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the products currently on the market are single-component products of the modified acrylic emulsion type. Even some two-component products are simply used with dry powder of cement mortar. This material has limited bond strength to vitrified bricks (no more than 0.5MPa ), can not effectively solve the large stress caused by the drying shrinkage of the tile layer, it can be used to paste vitrified tiles of 300mm*300mm and below, but there will still be large size vitrified tiles above 600mm*600mm risk of shedding

Method used

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  • Nano-aerogel modified bi-component ceramic tile backing adhesive as well preparation method and use method thereof
  • Nano-aerogel modified bi-component ceramic tile backing adhesive as well preparation method and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Step 1. Preparation of component A:

[0042] Add 21kg of tap water and 80kg of acrylate copolymer emulsion into the pre-dispersion tank, start stirring, then add 0.2kg of silane coupling agent, 0.2kg of defoaming agent, and 1.3kg of propylene glycol in turn under stirring at 400-500 rpm. Stir and mix for 15 minutes at 500-700 rpm, filter and pack through a 100-mesh filter, and set aside.

[0043] Step 2, preparation of component B:

[0044] Add 68kg of gray cement, 9kg of quartz sand, 18kg of Shuangfei powder, 5.5kg of nano-silica airgel, and 0.5kg of modified synthetic silicate into the production tank, and then stir for 25 ~30min until uniform. Measured and packaged by a fully automatic packaging machine, ready for use.

[0045] Step 3. Prepare nano-airgel modified two-component tile adhesive:

[0046] According to the ratio of component A: component B = 1:1. Add the powder of component B into the liquid material of component A under stirring and stir well.

[0...

Embodiment 2

[0050] Step 1. Preparation of component A:

[0051] Add 23kg of tap water and 75kg of acrylate copolymer emulsion into the pre-dispersion tank, start stirring, and then add 0.3kg of silane coupling agent, 0.15kg of defoamer, and 1.5kg of propylene glycol in turn under stirring at a speed of 400 to 500 rpm. Stir and mix for 15 minutes at 500-700 rpm, filter and pack through a 100-mesh filter, and set aside.

[0052] Step 2, preparation of component B:

[0053] Add 65kg of gray cement, 10kg of quartz sand, 17kg of Shuangfei powder, 7kg of nano-silica airgel, and 1kg of modified synthetic silicate into the production tank in sequence, and then stir for 25-30 minutes at a speed of 35-45 rpm , to uniformity. Measured and packaged by a fully automatic packaging machine, ready for use.

[0054] Step 3. Prepare nano-airgel modified two-component tile adhesive:

[0055] According to the ratio of component A: component B = 1:1. Add the powder of component B into the liquid material...

Embodiment 3

[0059] Step 1. Preparation of component A:

[0060] Add 24kg of tap water and 70kg of acrylate copolymer emulsion into the pre-dispersion tank, start stirring, and then add 0.4kg of silane coupling agent, 0.1kg of defoamer, and 1.7kg of propylene glycol in sequence under stirring at a speed of 400 to 500 rpm. Stir and mix for 15 minutes at 500-700 rpm, filter and pack through a 100-mesh filter, and set aside.

[0061] Step 2, preparation of component B:

[0062] Add 62kg of gray cement, 11kg of quartz sand, 16kg of Shuangfei powder, 8.5kg of nano-silica airgel, and 1.5kg of modified synthetic silicate into the production tank, and then stir for 25 ~30min until uniform. Measured and packaged by a fully automatic packaging machine, ready for use.

[0063] Step 3. Prepare nano-airgel modified two-component tile adhesive:

[0064] According to the ratio of component A: component B = 1:1. Add the powder of component B into the liquid material of component A under stirring and ...

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Abstract

The invention provides a nano-aerogel modified bi-component ceramic tile backing adhesive as well a preparation method and use method thereof. The backing adhesive is prepared by mixing the followingcomponents in parts by weight: a compound A containing 21-24 parts of water, 70-80 parts of an acrylate copolymer emulsion, 0.2-0.4 part of a silane coupling agent, 0.1-0.2 part of a defoaming agent and 1.3-1.7 parts of propylene glycol; a component B containing 62-68 parts of ash concrete, 9-11 parts of quartz sand, 16-18 parts of calcium and magnesium powder, 5.5-8.5 parts of nano-silicon dioxide aerogel and 0.5-1.5 parts of modified synthetic silicate; and the weight ratio of the component A to the component B is 1 to (0.8-1.2). According to the preparation method, the bonding strength andcapacity, for resisting the drying shrinkage stress of a tiling layer, of the ceramic tile backing adhesive are substantially improved, the problems that a vitrified brick is easy to fall and hollow are thoroughly solved; and the preparation method is simple, feasible, environment-friendly and energy-saving and is an effective way for promoting the research and development of building energy-conservation new techniques and the popularization and application of new products.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a nano-airgel modified two-component ceramic tile adhesive and a preparation method and application method thereof. Background technique [0002] With the development and progress of the modern decoration industry, technological innovation, and people's demand for improvement of the living environment, new building materials are stimulated to replace traditional building materials and are widely used in interior decoration. Vitrified tiles are loved by the majority of owners because of their high luminosity, high hardness, less color difference, and the texture of natural stone. They are widely used in building interior floor and wall decoration. However, due to the low water absorption rate of vitrified tiles (≤0.5%), the bonding force of cement slurry, cement mortar and other materials used to paste traditional ceramic tiles on the back of vitrified tiles is greatly ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/00C09J11/04C09J11/06C09J11/08
CPCC08K2201/011C09J11/04C09J11/06C09J11/08C09J133/00C08K13/06C08K9/10C08K3/34C08K5/053C08K3/36C08K7/26
Inventor 徐新祥王鹏程王红梅胡基如刘述敏
Owner SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD
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