Bonding mortar capable of being used for bonding large boards and preparation method of bonding mortar

A technology for bonding mortar and quartz sand, which is applied in the field of building materials and can solve problems such as unsatisfactory

Active Publication Date: 2022-06-07
临海市忠信新型建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, although the original adhesive mortar has good cohesiveness, it can no longer meet the needs of such large-sized cera...

Method used

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  • Bonding mortar capable of being used for bonding large boards and preparation method of bonding mortar

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Add dropwise a hydrochloric acid solution with a concentration of 0.1 mol / L to the ethanol dispersion of the ultrafine silica aerogel to adjust the pH to 2, to prepare a silica aerogel dispersion with a concentration of 0.04 g / ml, and add 0.02 g 3-(methacryloyloxy)propyltrimethoxysilane was mixed with 10ml of water, hydrolyzed at room temperature for 30min, then added with 25ml of silica aerogel dispersion, reacted at 60°C and 500rpm for 40h, the reaction ended After filtering, the solid was washed and then dried, and the solid was placed in a mixed solution consisting of a suspension of 50 ml of Pasteurella spp. and a mixed solution of 50 ml of calcium acetate and urea for immersion treatment for 20 hours, and the volume of the solid and the liquid was controlled during immersion. The ratio is 1:4, and after the immersion is finished, the modified silica aerogel is prepared by taking out and washing and drying;

[0026] (2) In parts by weight, measure 70 parts of P...

Embodiment 2

[0028] (1) Add dropwise a hydrochloric acid solution with a concentration of 0.1 mol / L to the ethanol dispersion of the ultrafine silica aerogel to adjust the pH to 2, to prepare a silica aerogel dispersion with a concentration of 0.06 g / ml, and add 0.05 g 3-(methacryloyloxy)propyltrimethoxysilane was mixed with 10ml of water, hydrolyzed at room temperature for 50min, then added 25ml of silica aerogel dispersion, reacted at 60°C and 600rpm for 50h, the reaction was over After filtering, the solid was washed and then dried, and the solid was placed in a mixed solution composed of a suspension of 50 ml of Pasteurella spp. and a mixed solution of 50 ml of calcium acetate and urea for immersion treatment for 30 hours, and the volume of the solid and liquid was controlled during immersion. The ratio is 1:5, and after the immersion is finished, the modified silica aerogel is prepared by taking out and washing and drying;

[0029] (2) In parts by weight, measure 80 parts of Portland ...

Embodiment 3

[0031] (1) Add dropwise a hydrochloric acid solution with a concentration of 0.1 mol / L to the ethanol dispersion of the ultrafine silica aerogel to adjust the pH to 2, to prepare a silica aerogel dispersion with a concentration of 0.05 g / ml, and add 0.03 g 3-(methacryloyloxy)propyltrimethoxysilane was mixed with 10ml of water, hydrolyzed at room temperature for 40min, then added 25ml of silica aerogel dispersion, reacted at 60°C and 500rpm for 40h, the reaction was over After filtering, the solid was washed and then dried, and the solid was placed in a mixed solution consisting of a suspension of 50 ml of Pasteurella spp. and a mixed solution of 50 ml of calcium acetate and urea for immersion treatment for 20 hours, and the volume of the solid and the liquid was controlled during immersion. The ratio is 1:5, and after the immersion is completed, the modified silica aerogel is obtained by taking out and washing and drying;

[0032] (2) In parts by weight, measure 75 parts of Po...

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Abstract

The invention discloses adhesive mortar capable of being used for large board bonding, which is prepared from the following components in parts by weight: 70 to 80 parts of Portland cement, 20 to 30 parts of sulphoaluminate cement, 8 to 10 parts of hydroxyethyl methyl cellulose, 2 to 3 parts of modified silicon oxide aerogel and 80 to 100 parts of quartz sand, the modified silicon oxide aerogel is prepared by the following steps: firstly, carrying out surface silanization treatment on superfine silicon oxide aerogel by adopting 3-(methacryloyloxy) propyltrimethoxysilane, and then inducing carbonate precipitation by adopting microorganisms to carry out modification. The invention also discloses a preparation method of the adhesive mortar, and the adhesive mortar prepared by the invention not only has good tensile adhesive strength, but also has good mechanical properties, excellent sagging resistance and good volume stability.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a bonding mortar that can be used for bonding large boards and a preparation method thereof. Background technique [0002] The commonly used bonding mortar is mainly used for the pasting of ceramic tiles. With the pursuit of beautiful things, the size of ceramic tiles is getting larger and larger, from 400 × 400mm to 1200 × 1200 mm, and even large-sized ceramic tiles such as the entire wall appear. Slabs. In this case, although the original bonding mortar has good adhesion, it can no longer meet the needs of laying such large-sized tiles and large slabs. It not only requires excellent adhesion, but also requires a certain anti-sag. sex, volume stability. SUMMARY OF THE INVENTION [0003] The technical problem to be solved by the present invention is: in view of the deficiencies in the prior art, a bonding mortar that can be used for large board bonding and a prepar...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B20/02
CPCC04B28/06C04B20/023C04B2111/00637C04B2201/10C04B7/02C04B24/383C04B14/064C04B14/06Y02W30/91
Inventor 胡莹莹范树景安艳菲
Owner 临海市忠信新型建材有限公司
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