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Organic and inorganic compound photo-initiation potential soil curing agent and preparation method thereof

A soil curing agent and inorganic composite technology, applied in the field of organic-inorganic composite light-initiated latent soil curing agent and its preparation, can solve the problems of easy cracking, water stability, low impact strength, poor weather resistance, etc., and achieve strong adhesion , low toxicity, good durability

Active Publication Date: 2018-12-07
BEIJING MUNICIPAL CONSTR +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The prepared organic-inorganic light-initiated latent soil curing agent can solve the problems of poor weather resistance and low impact strength of a single organic epoxy resin soil curing agent and large drying shrinkage, easy cracking and poor water stability of a single inorganic soil curing agent

Method used

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  • Organic and inorganic compound photo-initiation potential soil curing agent and preparation method thereof
  • Organic and inorganic compound photo-initiation potential soil curing agent and preparation method thereof
  • Organic and inorganic compound photo-initiation potential soil curing agent and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Step a. Weigh 20g of epoxy resin, 3g of photoinitiator, 10g of epoxy diluent 501 and 1g of silicon powder and mix evenly with 37g of distilled water, and stir at room temperature for 6 hours.

[0025] Step b. A certain amount of 25g of sodium silicate was mixed in 5g of distilled water, and stirred for 10min. Step c. The solution prepared in step b is added dropwise to the solution prepared in step a under stirring, and then the mixed solution is stirred and reacted at room temperature for 6 hours.

[0026] Step d. The prepared soil is solidified with a dosage of 0.02%, evenly sprayed with silty soil, then mixed with 4% cement and mixed evenly, through a series of physical and chemical reaction processes, so as to achieve stable and durable soil solidification Effect. According to the test method of JTGE51 (T0805), the unconfined compressive strength of the reinforced soil was tested for 7d, 28d and 90d. In order to reflect the reinforcement effect of organic and inor...

Embodiment 2

[0029] Step a. Weigh 20g of epoxy resin, 3g of photoinitiator, 10g of epoxy diluent 501 and 2g of silicon powder and mix them evenly with 25g of distilled water, and stir at room temperature for 6 hours.

[0030] Step b. A certain amount of 30 g of sodium silicate silicon precursor was mixed with 5 g of distilled water, and stirred for 10 min.

[0031] Step c. Add the solution prepared in step b to the solution prepared in step dropwise under stirring, then stir and react at room temperature for 6 hours.

[0032]Step d. The prepared soil is solidified with an amount of 0.02%, evenly sprayed into the clay soil, and then mixed with 6% cement and mixed evenly. After a series of physical and chemical reaction processes, the stable and long-lasting effect of soil solidification is achieved. . According to the test method of JTG E51 (T0805), the unconfined compressive strength of the reinforced soil was tested for 7d, 28d and 90d. In order to reflect the reinforcement effect of or...

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Abstract

The invention provides an organic and inorganic compound photo-initiation potential soil curing agent and a preparation method thereof, and belongs to the field of municipal and construction engineering new materials. The curing agent is prepared from silicon precursor, silicon powder, epoxy resin, a diluting agent, a photo-initiator and a solvent, wherein the silicon precursor is formed into an inorganic silicon network by a sol-gel method; the photo-initiator is self-decomposed to prepare free radicals or cations under a lighting environment; the epoxy resin is initiated to perform epoxide ring-opening to perform a polymerization reaction; and finally the inorganic silicon is compounded with epoxy resin crosslinked induration on the nano-layer. The diluting agent can be used for reducingthe viscosity of epoxy resin to accelerate the curing speed. The soil curing agent has the characteristics of good mobility, small volatile materials, no toxicity, good toughness, high curing speed and the like.

Description

technical field [0001] The invention relates to an organic-inorganic composite light-initiated latent soil curing agent and a preparation method thereof. It belongs to the category of new materials for municipal and construction projects, and the field of fine chemical technology. Background technique [0002] With the rapid development of society, according to incomplete statistics, by 2020, China will have 200 cities with a population of more than 1 million, and the total planned highway mileage will be about 8,600 kilometers. However, traditional soil reinforcement materials such as cement, lime, and fly ash generally have disadvantages such as large dosage, low early strength, high transportation cost, poor water resistance, easy cracking, and narrow applicable soil range, and emit a large amount of carbon dioxide. The macro national policy of "energy saving and emission reduction". The emergence of soil stabilizer effectively solves this problem. The soil stabilizer ...

Claims

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Application Information

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IPC IPC(8): C04B28/26
CPCC04B28/26C04B2111/00732C04B2201/50C04B24/281C04B18/146C04B2103/0068
Inventor 郭飞姜瑜孔恒张丽丽白震王凯丽高胜雷田治州郝亮张志恩韩春梅王渭林雪冰张亚珍吴涛
Owner BEIJING MUNICIPAL CONSTR
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