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Glazed hollow bead thermal insulation mortar and preparation process thereof

A technology of thermal insulation mortar and vitrified microbeads, applied in sustainable waste treatment, solid waste management, climate sustainability, etc., can solve the problems of thermal insulation mortar flammability, low weather resistance, low product strength, etc. Effects of performance and workability

Inactive Publication Date: 2011-03-30
沈杰铭
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a kind of vitrified microbead thermal insulation mortar, which solves the problem of high water absorption, easy pulverization, and volume shrinkage during slurry stirring in most of the thermal insulation mortars in the prior art. Large, easy to cause problems such as low strength and hollowing and cracking in the later stage of the product, and the present invention overcomes the defects of flammability of thermal insulation mortar, poor fireproof performance, harmful gas generated at high temperature, aging resistance, low weather resistance, and large rebound during construction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] It is prepared from the following raw materials according to the ratio of parts by weight, 42.5R ordinary silicon cement: 400 mesh lime calcium powder: 40-70 mesh sand: lignin: polypropylene short fiber: silica fume: composite resin rubber powder = 360:102 :600:4:1:43:26.

[0027] The preparation process comprises the following steps:

[0028] Arrange the screening machine at the lower part of the mixing tower, lift the screened sand of different grades to the top of the tower, and send it to each sand bin;

[0029] After the small amount of lignin and polypropylene short fiber are measured separately by the platform scale, they are pre-mixed with the above-mentioned other mixtures through a small mixer, and then enter the large mixer after pre-mixing. The mixing time is 120-180 seconds;

[0030] The uniformly mixed mortar is packaged in bags to obtain a finished product.

Embodiment 2

[0032] It is prepared from the following raw materials according to the ratio of parts by weight, 42.5R ordinary silicon cement: 400 mesh lime calcium powder: 40-70 mesh sand: lignin: polypropylene short fiber: silica fume: composite resin rubber powder = 300:80 : 550: 3: 1: 30: 22; its preparation process is the same as in Example 1.

Embodiment 3

[0034] It is prepared from the following raw materials according to the ratio of parts by weight, 42.5R ordinary silicon cement: 400 mesh lime calcium powder: 40-70 mesh sand: lignin: polypropylene short fiber: silica fume: composite resin rubber powder = 420:120 : 700: 8: 2: 60: 38; its preparation process is the same as in Example 1.

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Abstract

The invention relates to a glazed hollow bead thermal insulation mortar and a preparation process thereof, which are applicable to interior and exterior thermal insulation plastering projects of enclosure walls of multi-storey and high-rise buildings and the like, as well as fire prevention and thermal insulation projects and thermal insulation transformation projects of old buildings. The glazed hollow bead thermal insulation mortar is prepared by the raw materials of ordinary Portland cement, ash calcium powder, sand, lignin, polypropylene staple fiber, silica fume and composite resin rubber powder in parts by weight, and can overcome great hydroscopicity and easy pulverization of expanded perlite, large volume shrinkage during stirring of slurry, and easy emergence of the phenomena of low strength, hollowing, cracking and the like during the late stage of a product, simultaneously make up for defects of flammability of polyphenyl granular organic material, poor fireproof performance, production of harmful gas due to high temperature, low aging resistance and weather resistance, large rebound resilience during construction and the like, and enhance and improve comprehensive performance and construction performance of the thermal insulation mortar.

Description

technical field [0001] The present invention relates to a thermal insulation mortar, in particular to a vitrified bead thermal insulation mortar and its preparation process, which is suitable for reinforced concrete, aerated concrete, blocks, sintered bricks, non-sintered bricks and light-weight concrete of multi-story and high-rise buildings. Internal and external thermal insulation and plastering projects of enclosure walls such as wall materials, as well as fire and thermal insulation projects such as basements, garages, stairs, corridors, fire exits, etc., and are especially suitable for thermal insulation renovation projects of old buildings. Background technique [0002] Insulation mortar refers to a kind of building material used for the construction of insulation layer on the surface of the building. The construction of the insulation layer is generally divided into three layers. The first layer is to apply a layer of adhesive mortar on the leveled wall, which is com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B14/06C04B14/22
CPCC04B28/04C04B22/064Y02W30/91C04B14/06C04B16/0633C04B18/146C04B20/008C04B24/24
Inventor 沈杰铭
Owner 沈杰铭
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