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Polymer anchoring agent

A technology of anchoring agent and polymer, which is applied in the field of high-performance polymer anchoring agent and its preparation, can solve the problems of no expansion, etc., and achieve the effect of strong penetration, good toughness and broad application prospects

Inactive Publication Date: 2013-04-24
ANHUI JIATAI COAL MINING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the invention of this application is to overcome the disadvantages of the existing unsaturated resin anchoring agent that does not have expansion and be beneficial to the realization of full-length anchoring, and provide a high-performance polymer anchoring agent, which has good toughness, strong penetration, and coal seam Advantages of good adhesion to rock formations

Method used

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Embodiment Construction

[0023] A kind of polymer anchoring agent of the present invention, it is made up of A group material and B group material, wherein:

[0024] The components of group A materials in parts by mass are as follows:

[0025]

[0026]

[0027] The components of group B materials in parts by mass are as follows:

[0028] Polyisocyanate 90-95 parts

[0029] Stone powder above 30 mesh 10-70 parts

[0030] Suspending agent 1-20 parts

[0031] At the site of use, the above-mentioned equal-quality group A materials and equal-quality group B materials are uniformly mixed to obtain the polymer anchoring agent of the present invention.

[0032] The functionality of the above polyether is greater than 0 and less than or equal to 4, and the hydroxyl value is between 1 and 1000. The structural formula of the polyether monomer is HO-CH2-O-CH2-OH, which is a mixture of one or more polyethers , such as the polyether produced by Jiangsu Zhongshan Chemical Co., Ltd., its trade name can be o...

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Abstract

The invention relates to a polymer anchoring agent and preparation method thereof. The polymer anchoring agent is composed of a group A of materials and a group B of materials; the group A of materials is composed of 20-50 parts of polyglycol ether, 5-10 parts of epoxy resin, 1 part of acetic acid, 2 parts of triethylene diamine, 1 part of water removing agents MS-plus, 2 parts of hard bubble silicone oil DC 5357, 1-5 parts of alpha-alpha methyl styrene, 10-70 parts of mountain flour larger than 20 meshes, and 1-20 parts of suspending agents; the group B of materials is composed of 90-95 parts of polyisocyanates, 10-70 parts of mountain flour larger than 30 mu (granular ratio), and 1-20 parts of suspending agents; and the group A of materials and the group B of materials identical in quality are mixed uniformly in a field so as to obtain the polymer anchoring agent. The polymer anchoring agent has the advantages of being good in toughness, strong in seepage force, and good in adhesiveness with coal seams and rock stratums. Due to the fact that the polymer anchoring agent rapidly expands when foamed and solidified, the polymer anchoring agent can conveniently achieve anchoring of an anchor stock in full length, plays a role in filling batholiths cracks, effectively improves anchoring force, and enhances self carrying capacity of surrounding country rocks.

Description

technical field [0001] The invention relates to a polymer anchoring agent, in particular to a high-performance polymer anchoring agent made of isocyanate, epoxy resin and the like and a preparation method thereof. Background technique [0002] In recent years, unsaturated resin anchoring agent has been widely used in my country. This anchoring agent has the advantages of fast bearing, large anchoring force, safety and reliability, easy operation, and low labor intensity. However, unsaturated resin anchoring agent does not have expansibility. It is not conducive to the realization of full-length anchorage and other shortcomings. . Contents of the invention [0003] The purpose of the invention of this application is to overcome the shortcomings of the existing unsaturated resin anchoring agent that does not have expansion and be beneficial to the realization of full-length anchoring, and provide a high-performance polymer anchoring agent, which has good toughness and strong...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/14C08G18/66C08G18/48C08G18/58
Inventor 莫维永
Owner ANHUI JIATAI COAL MINING TECH
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