High temperature resistant hydraulic adhesive material and mortar made from it

A technology of high temperature resistance and hydraulic adhesive, which is applied in the field of building materials, can solve the problems of reduced strength of building materials and damage to hardened slurry systems, and achieve the effects of reducing the possibility of carbonization, ensuring stability, and avoiding metastable phases

Active Publication Date: 2021-06-11
唐山易博达科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Building materials with cement as the main cementitious material usually cannot withstand high temperatures. This is because the hydration products based on ettringite decompose at 70 degrees, causing damage to the hardened slurry system and making the building materials Reduced strength

Method used

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  • High temperature resistant hydraulic adhesive material and mortar made from it
  • High temperature resistant hydraulic adhesive material and mortar made from it

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A mortar made of high-temperature-resistant hydraulic adhesive material is characterized in that it is obtained by uniformly mixing the following raw materials in weight proportions, including:

[0032] High temperature resistant hydraulic adhesive 400 parts

[0033] Quartz sand 350 parts

[0034] Mineral powder 100 parts

[0035] Dolomite powder 150 parts

[0036] Polycarboxylate high-performance water reducer 1 part

[0037] Sodium gluconate 0.5 parts

[0038] Among them, in the high-temperature-resistant hydraulic adhesive material, the content of tricalcium silicate is 40%, the content of dicalcium silicate is 10%, the content of amorphous silica is 50%, and the content of quartz sand is 20-100 mesh.

Embodiment 2

[0040] A mortar made of high-temperature-resistant hydraulic adhesive material is characterized in that it is obtained by uniformly mixing the following raw materials in weight proportions, including:

[0041] High temperature resistant hydraulic adhesive 400 parts

[0042] Quartz sand 350 parts

[0043] Metakaolin 100 parts

[0044] Dolomite powder 150 parts

[0045] Polycarboxylate high-performance water reducer 1 part

[0046] Sodium gluconate 0.5 parts

[0047] Among them, in the high-temperature-resistant hydraulic adhesive material, the content of tricalcium silicate is 40%, the content of dicalcium silicate is 10%, the content of amorphous silica is 50%, and the content of quartz sand is 20-100 mesh.

Embodiment 3

[0049] High temperature resistant hydraulic adhesive 400 parts

[0050] Quartz sand 350 parts

[0051] Mineral powder 100 parts

[0052] Talc powder 150 parts

[0053] Polycarboxylate high-performance water reducer 1 part

[0054] Sodium gluconate 0.5 parts

[0055] Among them, in the high-temperature-resistant hydraulic adhesive material, the content of tricalcium silicate is 40%, the content of dicalcium silicate is 10%, the content of amorphous silica is 50%, and the content of quartz sand is 20-100 mesh.

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Abstract

The invention discloses a high-temperature-resistant hydraulic rubber material. The mineral composition of the high-temperature-resistant hydraulic rubber material includes tricalcium silicate, dicalcium silicate, and amorphous silica powder, wherein the weight content of tricalcium silicate is 25%-50%, the weight content of dicalcium silicate is 25%-40%, amorphous silica powder is 25%-50%, and the calcium / silicon ratio is less than 2. The invention also discloses a mortar made of high-temperature-resistant hydraulic adhesive material, which is obtained by uniformly mixing the following raw materials in weight proportions, including: 350-650 parts of high-temperature-resistant hydraulic adhesive material, 200-500 parts of sand , active mineral admixture 50-200 parts, refractory filler 100-200 parts, dispersant 0.5-5 parts. The mortar thus formulated has excellent high temperature resistance and can be used for construction of building parts exposed to high temperature.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a high-temperature-resistant hydraulic adhesive material and mortar made from the high-temperature-resistant hydraulic adhesive material. Background technique [0002] At present, the main representative of hydraulic cementitious materials is Portland cement, and the main clinker minerals of cement are tricalcium silicate, dicalcium silicate, C 3 A,C 4 AF and gypsum, the hydration products of cement are mainly ettringite, hydrated calcium silicate gel. Building materials with cement as the main cementitious material usually cannot withstand high temperatures. This is because the hydration products based on ettringite decompose at 70 degrees, causing damage to the hardened slurry system and making the building materials Reduced strength. Therefore, the technology of high-temperature-resistant building materials based on high-temperature-resistant hydraulic adhesive materials s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/02
CPCC04B28/02C04B2201/50C04B14/06C04B18/141C04B14/28C04B24/10C04B2103/302C04B14/106C04B14/042
Inventor 李莉张夕夕李小林
Owner 唐山易博达科技有限公司
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