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Synthesis process of architectural waterproof material methyl sodium silicate

A technology for sodium methyl silicate and building waterproofing, applied in the direction of silicon organic compounds, can solve the problems of social resource waste, increased cost, water resource pollution, etc., and achieve the effect of extending service life, preventing surface cracking, and protecting water resources

Inactive Publication Date: 2009-06-03
武汉春申高新技术有限公司
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Problems solved by technology

Because the sodium hydroxide solution containing strong alkali will cause pollution of water resources
In order to meet the qualified water discharge standard, a large amount of basic chemical raw material acid can only be used to neutralize the waste liquid, which increases the cost of treating the waste liquid and causes a waste of social resources

Method used

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  • Synthesis process of architectural waterproof material methyl sodium silicate

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Embodiment Construction

[0010] During implementation, the organic silicon functional chemical material in the present invention—sodium methyl silicate is synthesized by mixing cotton yarn bleaching waste liquid A and methyl silicate B in a weight ratio of A:B=4:1. The specific operation procedure is that after the cotton yarn bleaching waste liquid is settled in the sedimentation tank, it is poured into the reaction kettle according to the above formula as component A, and the methyl silicic acid of component B is added into the reaction kettle, stirred and mixed evenly, and heated to 90-95°C After 1-2h of heat preservation, precipitate and filter to obtain sodium methyl silicate.

[0011] Further introduce the implementation of the present invention below by embodiment:

[0012] 1. Take 800kg of cotton yarn bleaching waste liquid and put it into the reaction kettle, and gradually raise the temperature to 90°C.

[0013] 2. Take 200kg of methyl silicic acid and put it into the reaction kettle, stir e...

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Abstract

The invention discloses a synthesis process of waterproof material methyl sodium silicate in construction industry. The synthesis process comprises the following steps: firstly, cotton bleaching efflue is infiltrated into a reaction vessel; then methyl- silicic acid is added for forming mixture; the mixture is greatly stirred and heated until the temperature reaches 90 to 95 DEG C; the temperature is kept for 2hs, and the methyl sodium silicate solution is obtained after the processes of sedimentation and filtration. The waterproof material methyl sodium silicate has a simple process and low manufacturing cost, particularly the waste cotton bleaching liquor is selected and used as main raw materials, not only the waste is converted to useful materials and a great deal of water resource is saved, but also the general goal of saving resources, protecting the environment and pursuing economic efficiency in human production is realized.

Description

technical field [0001] The invention relates to the manufacture of building waterproof materials, in particular to a synthesis process of sodium methyl silicate, a waterproof material used in the building industry. Background technique [0002] The sustainable development of human beings requires human beings to start from resource conservation, environmental protection and economic benefits. At present, the production of functional chemical building material organosilicon-sodium methyl silicate mainly consists of mixing methyl silicic acid and sodium hydroxide aqueous solution, heating the mixture at 90-95°C for 2 hours, adding water, and filtering to obtain methyl silicon Sodium acid solution. This method will consume a large amount of basic chemical raw material sodium hydroxide, and the production cost is relatively high. In addition, the current cotton yarn bleaching process in the textile industry is to mix water, sodium hydroxide, hydrogen peroxide, etc. into a high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F7/04
Inventor 黄菁华
Owner 武汉春申高新技术有限公司
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