Permeable water plugging modified phenolic resin injecting paste material for underground coal mine and preparation method
A technology of phenolic resin and grouting materials, applied in the direction of chemical instruments and methods, drilling compositions, etc., can solve problems such as not fundamentally solving water leakage, unable to withstand long-term water pressure, and unsatisfactory water blocking effect, etc. Achieve the effect of simple construction, high pressure and fast curing time
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Example Embodiment
[0023] Example one:
[0024] A component preparation
[0025] Put 30 parts of phenol, 60 parts of formaldehyde, and 4 parts of barium hydroxide into the reactor and heat to 40 parts. 0 C stops heating and automatically rises to 70 0 C keep warm, take samples and test every 30 minutes, when the emulsification point reaches 25-35ml, add 1 part of oxalic acid for neutralization, when the pH is 7-8, add 5 parts of urea for dehydration, take samples every 30 minutes for testing, when the viscosity is 40 —80 mpa﹒ s (25 0 C) When, re-sampling and testing, qualified discharge sealed packaging;
[0026] B component preparation
[0027] Put 40 parts of phenol sulfonic acid, 40 parts of phosphoric acid, and 20 parts of p-toluene sulfonic acid into the mixing tank for stirring. After 30 minutes, samples are taken for testing, and the materials are sealed and packaged after passing the test.
[0028] The inspection product indicators are as follows:
[0029] Viscosity 25 0 C A component 60 mpa﹒ s ...
Example Embodiment
[0038] Embodiment two:
[0039] A component preparation
[0040] Put 65 parts of formaldehyde, 25 parts of phenol and 5 parts of barium hydroxide into the reaction kettle, and heat to the material temperature of 40 0 C, stop heating, automatically rise to 65 0 Keep the temperature at C and take samples every 30 minutes for testing. When the emulsification point reaches between 35-40ml, add 1.2 parts of oxalic acid for neutralization. When the PH value reaches 7-8, add 3.8 parts of urea and then dehydrate. Take samples every 30 minutes for testing. When the viscosity is 40-80 mpa. s (25 0 C), take samples for testing, discharge the materials and seal the package after passing the test;
[0041] B component preparation
[0042] Put 60 parts of phenol sulfonic acid, 20 parts of phosphoric acid, and 20 parts of p-toluene sulfonic acid into the mixing tank for stirring. After 30 minutes, samples will be taken for testing, and the materials will be sealed and packaged after passing the tes...
Example Embodiment
[0052] Example three
[0053] A component preparation
[0054] Put 64 parts of formaldehyde, 22 parts of phenol, and 6 parts of barium hydroxide into the reactor and heat to the material temperature of 40 0 C, stop heating, automatically rise to 65 0 Keep the temperature at C and take samples every 30 minutes for testing. When the emulsification point reaches 35-40ml, add 1.5 parts of oxalic acid for neutralization, when the PH value reaches 7-8, add 6.5 parts of urea for dehydration, take samples every 30 minutes for testing, when the viscosity is 40-80 mpa. s (25 0 C), take another sample for testing, and seal the package after passing the test;
[0055] B component preparation
[0056] Put 80 parts of phenol sulfonic acid, 10 parts of phosphoric acid, and 10 parts of p-toluene sulfonic acid into the mixing tank for stirring. After 30 minutes, samples will be taken for testing, and the materials will be sealed and packaged after being qualified.
[0057] The inspection product indic...
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