Magnesium oxychloride cement coating for exterior walls and preparation method of coating

A technology for magnesium oxychloride cement and exterior wall coatings, applied in the field of coatings, can solve the problems of wasting manpower, material and financial resources, difficult construction, peeling off into pieces, etc., and achieves the effects of convenient construction and operation, good fire resistance and good cold resistance.
CN104446320AActive Publication Date: 2015-03-25QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
Publication Date
2015-03-25

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Abstract

The invention relates to the technical field of coatings, in particular to a preparation method of a magnesium oxychloride cement coating for exterior walls. The method comprises steps as follows: evenly mixing light-burned powder, fly ash or silica fume, straw or sawdust as well as a sand and soil mixture in the mass ratio of 100:(5-20):(10-70):(20-110) to form a base material; adding a magnesium chloride aqueous solution with the mass percent ranging from 20 to 25 to the base material, and evenly mixing the mixture to form the coating for coating the exterior walls, wherein the mass ratio of the light-burned powder to the magnesium chloride aqueous solution is in a range of 1:(1-2.6). The coating for the exterior walls is good in fireproof performance, good in cold resistance, simple in process, convenient to construct and operate, low in cost and quite suitable for popularization and application in northwest regions and has a certain thermal insulation effect.
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Description

technical field

[0001] The invention relates to the technical field of coatings, in particular to an exterior wall coating and a preparation method thereof. Background technique

[0002] There are many exterior wall coating materials and technologies, but there are also many problems, such as drumming, cracking, and peeling off. Once the above problems occur, it is difficult to repair and maintain. It is relatively complicated, and it also wastes a lot of manpower, material and financial resources, so it is relatively difficult to promote in vast agricultural and pastoral areas.

[0003] With the needs of new rural construction, while focusing on the development of rural economy, improving the living conditions of farmers and herdsmen is also an issue that cannot be ignored. Especially in the northwest region, where the natural conditions are relatively harsh, there is an urgent need for housing insulation. However, the performance requirements of coatings in harsh environm...

Claims

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