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Micro-expanded fireproof heat-insulating mortar and preparation method thereof

A fire-proof and thermal insulation mortar and micro-expansion technology, which is applied in the field of mortar preparation, can solve the problems of mortar shrinkage and deformation, cracks, etc., and achieve the effects of good thermal insulation performance, small linear shrinkage rate, and excellent crack resistance

Active Publication Date: 2017-09-01
清远肆柒柒新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the general mortar has drying shrinkage, creep and temperature difference effects, which will cause the mortar to shrink and deform and cracks will appear. Therefore, how to reduce the cracks has put forward new requirements for the production of new mortar.

Method used

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  • Micro-expanded fireproof heat-insulating mortar and preparation method thereof
  • Micro-expanded fireproof heat-insulating mortar and preparation method thereof
  • Micro-expanded fireproof heat-insulating mortar and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 Preparation of micro-expansion fireproof and thermal insulation mortar

[0029] Component weight ratio: 150 parts of cement; 200 parts of quartz sand; 25 parts of heavy calcium powder; 15 parts of redispersible latex powder; 70 parts of functional materials;

[0030] The weight ratio of the functional material components: 50 parts of vitrified microbeads; 50 parts of vermiculite; 15 parts of lignin; 5 parts of graphite powder;

[0031] Preparation method: Mix cement, quartz sand, redispersible latex powder, heavy calcium powder and functional materials, and stir evenly.

Embodiment 2

[0032] Example 2 Preparation of micro-expansion fireproof and thermal insulation mortar

[0033] Component weight ratio: 150 parts of cement; 200 parts of quartz sand; 25 parts of heavy calcium powder; 15 parts of redispersible latex powder; 70 parts of functional materials;

[0034] The weight ratio of the functional material components: 30 parts of vitrified microbeads; 30 parts of vermiculite; 20 parts of lignin; 10 parts of graphite powder;

[0035] Preparation method: Mix cement, quartz sand, redispersible latex powder, heavy calcium powder and functional materials, and stir evenly.

Embodiment 3

[0036] Example 3 Preparation of micro-expansion fireproof and thermal insulation mortar

[0037] Component weight ratio: 120 parts of cement; 200 parts of quartz sand; 20 parts of heavy calcium powder; 20 parts of redispersible latex powder; 60 parts of functional materials;

[0038] The weight ratio of the functional material components: 50 parts of vitrified microbeads; 50 parts of vermiculite; 15 parts of lignin; 5 parts of graphite powder;

[0039] Preparation method: Mix cement, quartz sand, redispersible latex powder, heavy calcium powder and functional materials, and stir evenly.

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Abstract

The invention relates to the technical field of preparation of mortar, and particularly discloses micro-expanded fireproof heat-insulating mortar and a preparation method thereof. The micro-expanded fireproof heat-insulating mortar contains the following components in parts by weight: 100-150 parts of cement, 150-300 parts of quartz sand, 20-40 parts of heavy calcium powder, 10-20 parts of redispersible powder and 50-80 parts of functional material; the functional material contains the following components in parts by weight: 30-50 parts of glass bead, 30-50 parts of vermiculite, 10-20 parts of lignin and 5-10 parts of graphite powder. All the components are selected from non-toxic components, thus being environment-friendly and pollution-free; the prepared micro-expanded fireproof heat-insulating mortar can be prevented from generating cracks due to shrinkage in drying, and has excellent anti-cracking property; in addition, the micro-expanded fireproof heat-insulating mortar is good in heat-insulating property, and high in strength and flame-retardant degree.

Description

technical field [0001] The invention relates to the technical field of mortar preparation, in particular to a micro-expansion fireproof and thermal insulation mortar and a preparation method thereof. Background technique [0002] Mortar is made by mixing cementitious materials (cement, lime, clay, etc.) and fine aggregate (sand) with water, and is generally used for masonry, walls or floors in humid environments or in water; Commonly used are cement mortar, mixed mortar (or cement-lime mortar), lime mortar and clay mortar. [0003] For general mortar, it only needs to meet good workability, and the hardened mortar has the required strength and cohesion. However, common mortar has drying shrinkage, creep, and temperature difference effects, which will cause the mortar to shrink and deform, resulting in cracks. Therefore, how to reduce the cracks has put forward new requirements for the production of new mortar. In addition, with the improvement of people's requirements for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
CPCC04B28/00C04B2111/28C04B2201/32C04B2201/50C04B14/06C04B14/28C04B24/26C04B18/027C04B14/202C04B24/32C04B22/02
Inventor 不公告发明人
Owner 清远肆柒柒新材料科技有限公司
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