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Low reaction temperature phenolic resin grouting reinforcement material and preparation method thereof

A technology of reaction temperature and phenolic resin, which is applied in the field of low reaction temperature phenolic resin grouting reinforcement materials and its preparation, can solve the problems of unguaranteed use and untested toughening effect, so as to avoid poor toughness and superior durable resistance Effects of electrostatic properties, enhanced strength and toughness

Inactive Publication Date: 2019-02-22
山东润义金新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above patents all use alcohols as tougheners or chain extenders to modify the material to enhance the flexibility of the material, and add conventional antistatic agents to improve the antistatic performance of the material, but the toughening effect of the material has not been tested. Not guaranteed for use in complex formation environments

Method used

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  • Low reaction temperature phenolic resin grouting reinforcement material and preparation method thereof
  • Low reaction temperature phenolic resin grouting reinforcement material and preparation method thereof
  • Low reaction temperature phenolic resin grouting reinforcement material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Weigh 120g of 37wt% formaldehyde solution, 110g of phenol, 1.5g of NaOH, 10g of acrylic acid, 15g of 5wt% polyvinyl alcohol solution and stir at 80°C for 2h, then add 0.02g of azobisisobutyronitrile and stir for 2h at 80°C , and then add 5g of urea and continue to keep warm for 1h to obtain component A; weigh 120g of p-toluenesulfonic acid, 60g of 85wt% phosphoric acid, and 20g of water and mix evenly to obtain component B.

[0042] Mix component A and component B uniformly according to the volume ratio A:B=4:1, and react to obtain low reaction temperature phenolic resin grouting reinforcement material.

Embodiment 2

[0044] Weigh 60g of glyoxal, 50g of glutaraldehyde, 100g of phenol, 1g of NaOH, 1g of triethanolamine, 20g of acrylic acid, 10g of 8wt% polyvinyl alcohol solution and stir at 80°C for 2h, then add 0.1g of azobisisobutyronitrile Stir and react at 80°C for 2 hours, then add 3g of urea and keep warm for 1 hour to obtain component A; weigh 120g of p-toluenesulfonic acid, 60g of 85% phosphoric acid, and 20g of water and mix evenly to obtain component B.

[0045] Mix component A and component B uniformly according to volume ratio A:B=4:1, and react to obtain low reaction temperature phenolic resin grouting reinforcement material.

Embodiment 3

[0047] Weigh 40g of 37wt% formaldehyde solution, 40g of paraformaldehyde, 90g of phenol, 0.5g of NaOH, 0.5g of triethylamine, 0.5g of glyoxal, 15g of acrylic acid, 8g of 10wt% polyvinyl alcohol solution and stir at 80°C for 2h. Then add 0.05g of azobisisobutyronitrile, stir and react at 80°C for 2h, then add 10g of urea and keep warm for 1h to obtain component A; weigh 100g of p-toluenesulfonic acid, 50g of 38% hydrochloric acid, and 20g of water and mix evenly. That is, component B is obtained.

[0048] Mix component A and component B uniformly according to volume ratio A:B=2:1, and react to obtain low reaction temperature phenolic resin grouting reinforcement material.

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Abstract

The invention belongs to the technical field of phenolic resin grouting reinforcement materials and in particular relates to a low reaction temperature phenolic resin grouting reinforcement material and a preparation method thereof. The low reaction temperature phenolic resin grouting reinforcement material is composed of a component A and a component B which are mixed. The component A comprises an aldehyde compound, phenol, a basic catalyst, a modifier, an initiator and urea. The component B comprises an organic acid, an inorganic acid and water. The modifier is a mixture of a polyvinyl alcohol solution and acrylic acid. The toughness of the low reaction temperature phenolic resin grouting reinforcement material is improved obviously. The low reaction temperature phenolic resin grouting reinforcement material is excellent in antistatic property, adjustable in curing speed at constant temperature, high in induration strength and low in inner reaction temperature. The invention also provides a simple and feasible preparation method.

Description

technical field [0001] The invention belongs to the technical field of phenolic resin grouting materials, and in particular relates to a low reaction temperature phenolic resin grouting reinforcement material and a preparation method thereof. Background technique [0002] In the process of coal mine production, geological structures such as faults, folds, and fracture development zones are often encountered. The coal and rock mass is loose and broken, and large-scale roof caving and water seepage accidents are prone to occur, which seriously threatens the safe production of coal mines. Therefore, the improvement of broken coal rock mass reinforcement materials and technology becomes imperative. [0003] Broken coal and rock mass reinforcement mainly adopts grouting method, and traditional grouting materials can be divided into two categories: cement grouting materials and chemical grouting materials. Cement-based grouting materials are not suitable for rapid reinforcement o...

Claims

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Application Information

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IPC IPC(8): C08F283/00C08F220/06C08G14/12C08G14/08
CPCC08F283/002C08G14/08C08G14/12C08F220/06
Inventor 秦起俊尚伟赵政张朋
Owner 山东润义金新材料科技股份有限公司
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