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Anti-cracking caulking mortar and preparation method thereof

A mortar and additive technology, which is applied in the field of building materials, can solve the problems of affecting the use and the performance and quality of the mortar, and achieve the effects of high compressive strength, reduction of cracks, and strong cohesion.

Active Publication Date: 2014-12-10
厦门鑫中堃混凝土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the performance and quality of mortar are different, which affects the use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] An anti-crack caulking mortar, made of the following raw materials in parts by weight (kg): 1.5 sodium thiocyanate, 12 calcium silicate hydrate, 13 bentonite, 8 anhydrous sodium metasilicate, 3 sodium humate, pearl Shell 25, stalactite 55, glycerol triglyceride 4, water, additive 23, cement 135, nepheline 55, sand 170;

[0016] The auxiliary agent is made of the following raw materials in parts by weight (kg): polyisobutylene 1.1, stainless steel fiber 6.5, acetylene carbon black 2.5, lead isooctanoate 0.5, dipentaerythritol hexaacrylate 4.5, methyl methacrylate 2.5, amino resin 1. Organic bentonite 1.2, tartaric acid 0.7, magnesium borate whiskers 1.5, fumed aluminum oxide 1.5, epoxy acrylate 3.5, polytetrafluoroethylene micropowder 2.5, peppermint oil 0.4, sodium dodecylbenzene sulfonate 0.2, over Ammonium sulfate 0.1, potassium persulfate 0.1, water 16; the preparation method is: water, sodium dodecylbenzene sulfonate, dipentaerythritol hexaacrylate, methyl metha...

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Abstract

The invention discloses anti-cracking caulking mortar which is prepared from the following raw materials in parts by weight: 1-2 parts of sodium thiocyanate, 10-13 parts of tobermorite, 10-15 parts of bentonite, 7-9 parts of anhydrous sodium metasilicate, 2-4 parts of sodium humate, 20-30 parts of pearl shells, 50-60 parts of stalactite, 3-5 parts of glycerin triglycerate, a proper amount of water, 20-25 parts of additives, 130-140 parts of cement, 50-60 parts of nepheline and 160-180 parts of sand. The mortar is high in binding power, high in compressive strength and good in peaceability, flowability, water-retaining property and constructability, as well as reduces the drying shrinkage and reduces the cracking phenomenon due to the adoption of nepheline, and due to adoption of the additives, the compressive strength and the breaking strength of mortar are improved, and the peaceability, sag resistance, the thixotropy and the settling resistance of mortar are also improved.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to an anti-crack caulking mortar and a preparation method thereof. Background technique [0002] Mortar is a common material for construction and is an essential material in construction. According to performance, mortar can be divided into many types, such as combined mortar, caulking mortar, thermal insulation mortar, etc.; [0003] At present, the performance and quality of mortar are different, which affects the use. Specifically, the factors that affect the performance of mortar include the workability, fluidity, water retention of freshly mixed mortar, and the strength of hardened mortar. New mortars need to be researched to have excellent construction and processability, sag resistance, thixotropy, anti-settling properties, storage stability, improved pumpability and shear thinning, and new materials need to be found , in order to improve its performance and strength, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B24/24C04B14/04
Inventor 朱兴堂朱亮亮陈军彦
Owner 厦门鑫中堃混凝土有限公司
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