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A kind of anti-cracking thermal insulation wall building material and preparation method thereof

A technology for building materials and thermal insulation walls, applied in the field of building materials, can solve the problems of easy cracking and durability of plastering mortar, and achieve the effects of improving interface compatibility, improving thermal insulation, and reducing the compression-to-fold ratio.

Active Publication Date: 2018-01-12
MAANSHAN TIANJINYUN PAINT IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on the problems existing in the background technology, the present invention proposes a crack-resistant thermal insulation wall building material and a preparation method thereof. The problems of easy cracking and poor durability have realized the high performance of heat preservation, heat insulation and crack resistance in the true sense

Method used

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  • A kind of anti-cracking thermal insulation wall building material and preparation method thereof
  • A kind of anti-cracking thermal insulation wall building material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0020] A kind of anti-crack thermal insulation wall construction material, its raw material comprises by weight: 400 parts of cement, 70 parts of silicon micropowder, 80 parts of ash calcium powder, 160 parts of expanded vermiculite, 60 parts of quartz sand, 100 parts of hollow glass microspheres, 40 parts of rock wool silk, 80 parts of modified fly ash, 60 parts of polystyrene particles, 20 parts of wood fiber, 5 parts of polypropylene fiber, 60 parts of polyvinyl alcohol powder, 40 parts of ethylene-vinyl acetate copolymer, hydroxyethyl 20 parts of methyl cellulose;

[0021] Wherein, the method for preparing the modified fly ash includes: adding the fly ash with a particle size ≥ 20 mesh into a mixed acid solution of concentrated nitric acid and concentrated sulfuric acid with a volume ratio of 1:3, and ultrasonically treating it at 50°C for 0.5h , the ultrasonic frequency is 40KHz, and the sound intensity is 0.1W / cm 2 , cooled to room temperature, suction filtered, washed,...

Embodiment 2

[0024] A kind of anti-crack thermal insulation wall construction material, its raw material comprises by weight: 600 parts of cement, 40 parts of silicon micropowder, 220 parts of ash calcium powder, 80 parts of expanded vermiculite, 100 parts of dolomite sand, 60 parts of hollow glass microspheres , 80 parts of rock wool silk, 30 parts of modified fly ash, 120 parts of polystyrene particles, 10 parts of wood fiber, 10 parts of polypropylene fiber, 30 parts of polyvinyl alcohol powder, 80 parts of vinyl acetate-ethylene tertiary carbonate copolymer, 10 parts of carboxymethyl cellulose;

[0025] Wherein, the method for preparing the modified fly ash includes: adding the fly ash with a particle size ≥ 20 mesh into a mixed acid solution of concentrated nitric acid and concentrated sulfuric acid with a volume ratio of 1:5, and ultrasonically treating it at 30° C. for 3 hours, Ultrasonic frequency is 20KHz, sound intensity is 0.3W / cm 2 , cooled to room temperature, suction filtere...

Embodiment 3

[0028] A kind of anti-crack thermal insulation wall construction material, its raw material comprises by weight: 500 parts of cement, 55 parts of silicon micropowder, 150 parts of ash calcium powder, 120 parts of expanded vermiculite, 80 parts of sea sand, 80 parts of hollow glass microspheres, 60 parts of rock wool silk, 55 parts of modified fly ash, 90 parts of polystyrene particles, 15 parts of wood fiber, 7 parts of polypropylene fiber, 45 parts of polyvinyl alcohol powder, 60 parts of ethylene-vinyl laurate-vinyl chloride copolymer Parts, 15 parts of hydroxyethyl cellulose;

[0029] Wherein, the method for preparing the modified fly ash includes: adding the fly ash with a particle size ≥ 20 mesh into a mixed acid solution of concentrated nitric acid and concentrated sulfuric acid with a volume ratio of 1:4, and ultrasonically treating it at 40°C for 1.5h , the ultrasonic frequency is 30KHz, and the sound intensity is 0.2W / cm 2 , cooled to room temperature, suction filter...

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Abstract

The invention discloses an anti-cracking heat-preserving wall construction material and a preparation method thereof. The anti-cracking heat-preserving wall construction material is prepared from, by weight, 400-600 parts of cement, 40-70 parts of silica powder, 80-220 parts of ash-calcium powder, 80-160 parts of expanded vermiculite, 60-100 parts of sand, 60-100 parts of hollow glass beads, 40-80 parts of rock wool threads, 30-80 parts of modified fly ash, 60-120 parts of polyphenyl particles, 10-20 parts of wood fiber, 5-10 parts of polypropylene fiber, 30-60 parts of polyvinyl alcohol, 40-80 parts of dispersible latex powder and 10-20 parts of cellulose ether. The anti-cracking heat-preserving wall construction material solves the problem that finishing mortar prepared from an existing outer wall heat-preserving material is prone to cracking and poor in durability, and truly achieves heat preservation, heat isolation and high anti-cracking performance.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a heat-insulating and anti-cracking wall building material and a preparation method thereof. Background technique [0002] The external thermal insulation system of building exterior walls can bring about excellent energy-saving effects and a comfortable living environment, so people pay great attention to the long-term performance of the system. At present, the protective mortar used in the protective layer of the external wall thermal insulation system is mostly brittle cement-based material, which has a large specificity, high thermal conductivity, and high heat storage value; while the thermal insulation board is mostly organic thermal insulation material, which has low density, soft texture and large deformation. Under long-term cold and hot, cold and wet cycles, various stress repetitions, solar radiation, rain corrosion and other external erosion, there will be ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/26C04B20/02C04B111/34
CPCC04B20/023C04B28/26C04B2111/343C04B2201/20C04B2201/32C04B18/146C04B22/064C04B14/202C04B14/24C04B14/46C04B18/08C04B24/24C04B16/02C04B16/0633C04B24/2623C04B24/383C04B7/02C04B14/06C04B14/26C04B24/2688C04B14/068
Inventor 蒋子平尹万云金仁才唐翠红胡勇邱勇孙飞成刚
Owner MAANSHAN TIANJINYUN PAINT IND
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