Preparation method of ultrahigh modulus silicate

A silicate and silicate solution technology, applied in the direction of silicate, alkali metal silicate, etc., can solve the problems of difficult modulus, low modulus, brittle coating film, etc., and achieve the improvement of salt spray resistance Effect

Active Publication Date: 2016-08-31
SUZHOU JIREN HIGH TECH MATERIAL CO LTD
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  • Abstract
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Problems solved by technology

However, the silicate used in coatings currently has the following problems: 1) the existing silicate product has a low modulus, and the coating film is relatively brittle; 2) even if the silica sol is combined, the modulus is increased, and the performance is slightly improved; however, Still not very ideal; 3) Using the existing technology, it is difficult to achieve a technological breakthrough, and it is difficult to achieve a substantial increase in the modulus

Method used

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  • Preparation method of ultrahigh modulus silicate
  • Preparation method of ultrahigh modulus silicate
  • Preparation method of ultrahigh modulus silicate

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

[0027] The modulus of the national standard industrial silicate is generally 2.2-3.6. A single sodium silicate molecule in the sodium silicate aqueous solution should have three situations of 2:1, 3:1 and 4:1 according to the ratio of silicon to sodium, and its molecular structure is :

[0028]

[0029] The modulus M of a silicate is its degree of polymerization. Although it is commonly known as silicate, in essence, silicon atoms and their derived atomic structures do not belong to inorganic acids, but should belong to inorganic alcohols, so silicates can also be named sodium silyl ether alcohols. It has neither the properties of an acid nor the characteristic molecular structure of an acid.

[0030] From the above molecular structure, it can be seen that a typical silicon polyol...

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Abstract

The invention discloses a preparation method of ultrahigh modulus silicate. The preparation method successively comprises the following steps: dilution, activated carbon absorption treatment, cation exchange resin exchange, conversion to organic phase, removal of solvent water, etherification polymerization, neutralization, alkalization reaction, removal of organic solvent, and water addition for regulating solid content. By the preparation method of the scheme, ultrahigh modulus sodium silicate, potassium silicate or lithium silicate with high added value can be prepared. The product can be applied to a waterborne inorganic zinc-rich anticorrosive paint and other fields. Flexibility of the waterborne inorganic zinc-rich anticorrosive paint with the application of the ultrahigh modulus silicate can pass a 2mm bend axis test, shock resistance can reach 50 Kg.cm, and salt spray resistance can be effectively raised.

Description

technical field [0001] The invention relates to the field of silicate preparation, in particular to a preparation method of ultra-high modulus silicate. Background technique [0002] In the production of industrial sodium silicate, the raw materials are quartz sand and soda ash, and the two are mixed according to a certain molar ratio and sent to a reverberatory kiln. After being calcined at high temperature, dissolved in water, the package is liquid sodium silicate, commonly known as silicate. [0003] High modulus silicate generally refers to a liquid silicate with a modulus between 3.8 and 4.5 and a concentration of 30%. High modulus silicate is mainly used in water-based inorganic zinc-rich anti-corrosion coatings, in underground engineering, and also in foundation reinforcement and soil stabilizers in civil engineering. Several large-scale chemical industry companies abroad, such as Japan, use sodium silicate as the base material and compound with different curing agen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C01B33/32
CPCC01B33/32
Inventor 王宇晖
Owner SUZHOU JIREN HIGH TECH MATERIAL CO LTD
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