Method of improving bonding performance of fiber bundle and potassium magnesium phosphate cement-based material
A technology of potassium magnesium phosphate cement and bonding performance, which is applied in the manufacture of fiber-reinforced potassium magnesium phosphate cement composite materials, and in the field of improving the bonding performance of fiber bundles and potassium magnesium phosphate cement-based materials, and can solve problems such as fiber bundle breakage and achieve Fast curing, high bond strength, and strong permeability
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[0032] Example 1: Take 2 parts by mass of sodium fluorosilicate, 10 parts by mass of dead burnt magnesia powder and 100 parts by mass of sodium silicate aqueous solution (modulus 3.0, Baume degree 50.3), using a planetary liquid mixer Stir the mixed solution at a speed of 60-90r / min for 3-5 minutes to obtain a new type of fiber infiltrant with a controllable curing speed. Use the new fiber infiltration agent to evenly brush the surface of the glass fiber bundle and fully infiltrate the glass fiber bundle. After the glass fiber bundle is treated for 3 days (cured), use the DL-5000 electronic tensile testing machine to perform the axial tensile test, and at the same time The processed glass fiber bundles and the glass fiber bundles treated with epoxy resin sizing agent are subjected to axial tensile test; MPC-based material slurry is prepared according to a certain ratio, and it is casted and compacted. Among them, glass fibers treated in different ways are supplemented The fiber...
Example Embodiment
[0035] Example 2: Take 8-10 parts by mass of sodium fluorosilicate, 15-20 parts by mass of dead burnt magnesia powder and 100 parts by mass of sodium silicate aqueous solution (modulus is 2.6~2.8, Baume degree is 38.4~ 48.3). Use a planetary liquid mixer to stir the mixed solution at a speed of 60-90 r / min for 2 to 3 minutes to obtain a new type of fiber sizing agent with a controllable curing speed. The surface of the carbon fiber bundle is evenly painted with a new type of fiber infiltration agent to fully infiltrate the carbon fiber bundle. After the carbon fiber bundle has been treated for 3 days (cured), use the DL-5000 electronic tensile testing machine to perform the axial tensile test, and at the same time, the untreated carbon fiber And the carbon fiber bundles treated with epoxy resin sizing agent are subjected to axial tensile test; MPC-based material slurry is prepared according to a certain proportion, and it is cast and compacted. Among them, carbon fiber bundles t...
Example Embodiment
[0038] Example 3: Take 8-10 parts by mass of sodium fluorosilicate, 15-20 parts by mass of dead burnt magnesia powder and 100 parts by mass of sodium silicate aqueous solution (modulus is 2.6~2.8, Baume degree is 38.4~ 48.3). Use a planetary liquid mixer to stir the mixed solution at a speed of 60-90 r / min for 2 to 3 minutes to obtain a new type of fiber sizing agent with a controllable curing speed. The surface of the basalt fiber bundle is evenly coated with the new fiber infiltration agent to fully infiltrate the basalt fiber bundle. After the basalt fiber bundle has been treated for 3 days (cured), use the DL-5000 electronic tensile testing machine to perform the axial tensile test, and at the same time The treated basalt fiber bundles and the basalt fiber bundles treated with epoxy resin infiltration agent are subjected to axial tensile test; MPC-based material slurry is prepared according to a certain mix ratio, and it is casted and compacted, and basalt fibers treated in ...
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