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Polymer cement-based modified mortar

A cement-based, modified sand technology, applied in the field of building decoration, can solve the problems of poor toughness, high brittleness, unsatisfactory cohesion, frost resistance and impermeability, and achieves improved flexibility, good early strength, The effect of improving the thermal insulation effect

Inactive Publication Date: 2019-04-26
SUZHOU BIZUNION ARCHITECTURAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the above-mentioned technical problems, the present invention provides a polymer cement-based modified mortar, which uses various materials to improve the mortar and reinforce the structure, which solves the existing problems of mortar material cohesion, frost resistance and impermeability Unsatisfactory strength, poor toughness, and high brittleness

Method used

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Embodiment 1

[0015] This embodiment discloses a polymer cement-based modified mortar, including the following raw materials measured in parts by mass:

[0016]

[0017]

Embodiment 2

[0019] This embodiment discloses a polymer cement-based modified mortar, including the following raw materials measured in parts by mass:

[0020]

Embodiment 3

[0022] This embodiment discloses a polymer cement-based modified mortar, including the following raw materials measured in parts by mass:

[0023]

[0024]

[0025] Among them, the cement is a mixture of aluminate cement and Portland cement; the mass ratio of aluminate cement to Portland cement is 2:1. Sulphoaluminate cement undergoes hydration reaction after being mixed with water, and produces high early strength after hardening, and the strength increases steadily in the later period. When combined with Portland cement, the early strength of the mortar is good, and the frost resistance and waterproof performance are good. The polymer emulsion is polyacrylate emulsion and ethylene-vinyl acetate copolymer emulsion; the mass ratio of polyacrylate emulsion to ethylene-vinyl acetate copolymer emulsion is 1:1. Polyacrylate emulsion has good performance improvement in anti-seepage and waterproof, and ethylene-vinyl acetate copolymer emulsion has good performance improvement ...

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Abstract

The invention discloses polymer cement-based modified mortar. The polymer cement-based modified mortar comprises the following raw materials in parts by mass: 200 to 350 parts of fine sand, 80 to 140parts of cement, 20 to 30 parts of ceramic powder, 15 to 25 parts of clay, 10 to 30 parts of rubber powder, 5 to 15 parts of diatomite, 5 to 15 parts of graphite powder, 8 to 20 parts of polymer emulsion, 5 to 10 parts of basalt fiber, 3 to 8 parts of polyacrylonitrile fiber, 2 to 5 parts of a water-reducing agent, 1 to 3 parts of a defoaming agent, 2 to 5 parts of a coupling agent and 50 to 150 parts of water. The polymer cement-based modified mortar has advantages of high structural strength, high waterproofness, high toughness, high bending strength, high volume stability, high durability,high freezing resistance, high early strength and good use effect, and is not liable to crack.

Description

technical field [0001] The invention relates to the field of architectural decoration, in particular to a polymer cement-based modified mortar. Background technique [0002] Ordinary mortar has a low tension-compression ratio, large dry shrinkage deformation, poor impermeability, crack resistance, corrosion resistance, and high density, so its application range is greatly limited. With the development of industry, to further improve the performance of mortar, it is necessary to improve the performance of cementing materials, so polymer mortar appeared. Use polymers to modify cement mortar so that while maintaining the advantages of the original inorganic materials of cement, such as compressive strength, flexural strength, and aging resistance, organic materials with strong cohesive force, good deformability, and strong sealing are added. characteristics, so that the cohesive force, frost resistance and impermeability of cement mortar have been greatly improved. However, f...

Claims

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Application Information

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IPC IPC(8): C04B28/06
CPCC04B28/06C04B2201/50C04B14/06C04B7/02C04B18/023C04B14/10C04B16/04C04B14/08C04B14/024C04B24/2641C04B14/46C04B16/0658C04B2103/302C04B2103/50C04B24/42
Inventor 刘丰袁涛
Owner SUZHOU BIZUNION ARCHITECTURAL ENG CO LTD
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