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Surface-decorative mortar and preparation method thereof

A technology of facing mortar and quartz sand, which is applied in the field of building materials, can solve the problems such as easy whitening of facing mortar, and achieve the effect of convenient application method, simple production process and long-lasting color

Active Publication Date: 2014-09-17
SICHUAN INSITITUTE OF BUILDING RES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a facing mortar and its preparation method, which can solve the problem that the existing facing mortar is easy to whiten

Method used

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  • Surface-decorative mortar and preparation method thereof
  • Surface-decorative mortar and preparation method thereof
  • Surface-decorative mortar and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A facing mortar is composed of the following raw materials in parts by weight: 65 parts of aluminate cement, 10 parts of Portland cement, 25 parts of hemihydrate gypsum, 160 parts of 40-70 mesh quartz sand, 70-100 mesh quartz sand 240 parts, 9 parts of latex powder, 0.4 parts of cellulose ether, 9 parts of iron oxide red, 0.3 parts of retarder, 90 parts of water. The preparation method is as follows:

[0028] The preparation method is as follows:

[0029] (1) Dry mix aluminate cement, Portland cement, hemihydrate gypsum, quartz sand, latex powder, retarder and pigment to a uniform state to obtain dry powder;

[0030] (2) Add water into the mixer, then add the dry powder into the mixer and stir for 2 to 3 minutes to get the finished product.

[0031] The mortar properties of the present embodiment are as follows.

[0032] Table 2 Performance index of facing mortar in Example 1

[0033]

Embodiment 2

[0035] A facing mortar is composed of the following raw materials in parts by weight: 75 parts of aluminate cement, 5 parts of Portland cement, 20 parts of hemihydrate gypsum, 140 parts of 40-70 mesh quartz sand, 70-100 mesh quartz sand 210 parts, 9 parts of latex powder, 0.4 parts of cellulose ether, 4 parts of iron oxide red, 0.2 parts of retarder, and 85 parts of water. The preparation method is the same as in Example 1.

[0036] The mortar properties of the present embodiment are as follows.

[0037] Table 3 Performance index of facing mortar in Example 2

[0038]

Embodiment 3

[0040] A facing mortar is composed of the following raw materials in parts by weight: 60 parts of aluminate cement, 10 parts of Portland cement, 30 parts of hemihydrate gypsum, 152 parts of 40-70 mesh quartz sand, 70-100 mesh quartz sand 228 parts, 6 parts of latex powder, 0.3 parts of cellulose ether, 3 parts of iron oxide red, 0.15 parts of retarder, 80 parts of water. The preparation method is the same as in Example 1.

[0041] The mortar properties of the present embodiment are as follows.

[0042] Table 4 Performance index of facing mortar in Example 3

[0043]

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Abstract

The invention discloses a surface-decorative mortar for solving the problems that an existing surface-decorative mortar is easily whitened and solving the problems of crisis plant growth. The surface-decorative mortar consists of the following raw materials in parts by weight: 40-80 parts of aluminate cement, 1-30 parts of Portland cement, 20-30 parts of semi-hydrated gypsum, 350-400 parts of quartz sand, 4-12 parts of latex powder, 0.1-0.5 parts of cellulose ether, 0.01-0.5 parts of a retarder, 1-9 parts of a pigment and 75-90 parts of water, wherein the sum of the aluminate cement, the Portland cement and the semi-hydrated gypsum is 100 parts. The surface-decorative mortar disclosed by the invention does not have whitening phenomenon, is good in stain resistance, low in water absorbing capacity, high in bonding strength, good in long-term application performance, durable in color and luster and good in water-proof and air-permeable performance.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a facing mortar and a preparation method thereof. Background technique [0002] Finishing mortar is a new type of finishing material imported from abroad in my country. Cement-based finishing mortar can be used for interior and exterior wall surface and ceiling decoration. It has good water repellency and air permeability, and it is compatible with various base surfaces (concrete, cement Mortar, etc.) have good adhesion, not easy to peel off and crack; by choosing aggregates of different particle sizes, good texture and wall decoration effect can be achieved. Compared with paint, cement-based finishing mortar is not only simple and fast in construction, but also has excellent long-term stability; compared with ceramic tiles, cement-based finishing mortar is light in weight, and it will not be affected by negative wind The phenomenon of brick falling occurs ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
Inventor 薛伶俐黎红兵梁爽刘延年
Owner SICHUAN INSITITUTE OF BUILDING RES
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