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A kind of high-performance environmental protection spray mortar and preparation method thereof

A spraying mortar, high-performance technology, applied in the field of building materials, can solve problems such as poor performance, poor aging resistance, easy cracking, etc., achieve good working time and stability, improve flexural strength, and reduce porosity. Effect

Active Publication Date: 2018-07-24
绍兴职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing spraying mortar has good spraying performance, but it is easy to crack, has poor aging resistance and poor usability.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A kind of high-performance environmental protection spraying mortar, by weight, comprises the following components:

[0040] 50 parts of cement, 70 parts of medium sand,

[0041] 50 parts of fly ash, 2 parts of vitrified microbeads,

[0042] 30 parts of neoprene latex containing amphiphilic polymer chains,

[0043] 3 parts of polypropylene fiber, 2 parts of brucite fiber,

[0044] 1 part of tea saponin, 0.5 part of modified cellulose ether,

[0045] 0.2 part of modified polyvinyl alcohol, 0.8 part of sodium dodecylsulfonate,

[0046] 0.35 parts of water reducer, 0.2 parts of retarder, 80 parts of water.

[0047] Its preparation method comprises the following steps:

[0048] (1) Mix and stir cement, medium sand, fly ash, vitrified microspheres, water reducer and retarder for 10 minutes to obtain a mixture A;

[0049] (2) Neoprene latex containing amphiphilic polymer chain, polypropylene fiber, brucite fiber, tea saponin, modified cellulose ether, modified polyvinyl...

Embodiment 2

[0052] A kind of high-performance environmental protection spraying mortar, by weight, comprises the following components:

[0053] 80 parts of cement, 100 parts of medium sand,

[0054] 70 parts of fly ash, 6 parts of vitrified microbeads,

[0055] 40 parts of neoprene latex containing amphiphilic polymer chains,

[0056] 8 parts of polypropylene fiber, 6 parts of brucite fiber,

[0057] 3 parts of tea saponin, 1.5 parts of modified cellulose ether,

[0058] 0.6 parts of modified polyvinyl alcohol, 2 parts of sodium dodecylsulfonate,

[0059] 1 part of water reducer, 0.5 part of retarder, 100 parts of water.

[0060] Its preparation method comprises the following steps:

[0061] (1) Mix and stir cement, medium sand, fly ash, vitrified microspheres, water reducer and retarder for 30 minutes to obtain a mixture A;

[0062] (2) Neoprene latex containing amphiphilic polymer chain, polypropylene fiber, brucite fiber, tea saponin, modified cellulose ether, modified polyvinyl ...

Embodiment 3

[0065] A kind of high-performance environmental protection spraying mortar, by weight, comprises the following components:

[0066] 60 parts of cement, 80 parts of medium sand,

[0067] 55 parts of fly ash, 3 parts of vitrified microbeads,

[0068] 32 parts of neoprene latex containing amphiphilic polymer chains,

[0069] 4 parts of polypropylene fiber, 3 parts of brucite fiber,

[0070] 1.5 parts of tea saponin, 0.7 parts of modified cellulose ether,

[0071] 0.3 parts of modified polyvinyl alcohol, 1 part of sodium dodecylsulfonate,

[0072] 0.55 parts of superplasticizer, 0.3 parts of retarder, and 85 parts of water.

[0073] Its preparation method comprises the following steps:

[0074] (1) Mix and stir cement, medium sand, fly ash, vitrified microspheres, water reducer and retarder for 15 minutes to obtain a mixture A;

[0075] (2) Neoprene latex containing amphiphilic polymer chain, polypropylene fiber, brucite fiber, tea saponin, modified cellulose ether, modified p...

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Abstract

The invention discloses a high-performance environment-friendly spraying mortar, which comprises the following components in parts by weight: 50-80 parts of cement, 70-100 parts of medium sand, 50-70 parts of fly ash, and 2-6 parts of vitrified microbeads 30-40 parts of neoprene latex containing amphiphilic polymer chains, 3-8 parts of polypropylene fiber, 2-6 parts of brucite fiber, 1-3 parts of tea saponin, 0.5-0.5 parts of modified cellulose ether 1.5 parts, 0.2-0.6 parts of modified polyvinyl alcohol, 0.8-2 parts of sodium lauryl sulfonate, 0.35-1 parts of water reducer, 0.2-0.5 parts of retarder, 80-100 parts of water. The invention also discloses a preparation method of the environment-friendly spraying mortar. The spraying mortar prepared by the invention has good crack resistance, good long-term mechanical properties and durability, low preparation cost, environmental protection and is suitable for mechanical spraying.

Description

Technical field: [0001] The invention relates to the field of building materials, in particular to a high-performance environment-friendly spraying mortar. Background technique: [0002] Various projects in my country's construction industry, especially general civil buildings, require a lot of plastering, so plastering projects have always maintained an important position in architectural decoration projects. The plastering of the walls of the house is an important process with a large workload, high labor intensity and high operating skills. Plastering is basically manual work nowadays, and the efficiency is very low. [0003] With the rapid development of the construction industry and rising labor costs, more and more processes will gradually develop towards mechanized construction. In traditional decoration projects, the construction of plastering works is generally transferred by vertical transport machinery, and manually transported and constructed horizontally, whic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B14/24C04B16/06C04B14/46C04B24/16C04B24/26
CPCC04B28/04C04B2111/00482C04B14/06C04B18/08C04B14/24C04B24/2682C04B16/0633C04B14/46C04B24/00C04B24/383C04B24/2623C04B24/16C04B24/10C04B24/04C04B22/002C04B2103/302
Inventor 汤薇沈龙陈丽杨冰孙秋砚
Owner 绍兴职业技术学院
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