Low-viscosity perfusion adhesive for repairing concrete crack and preparation method thereof
A crack repair and concrete technology, applied in the field of materials, can solve the problems of poor environmental protection of the slurry, short curing time, large exothermic temperature rise, etc., and achieve the effects of low production cost, excellent flexibility and excellent flexibility.
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Embodiment 1
[0030] Put the cardanol epoxy resin in the baking workshop and heat it up to 80°C within 1 hour, and keep it warm for 8 hours; put the heated cardanol epoxy resin into the mixer, start the mixer, and add surfactant and defoamer in sequence and ester diluent, the feeding time is controlled to be 10 minutes to complete, and then mixed for 10 minutes until uniform, and the A component is prepared. Mixing of component B First mix the curing agent component evenly, then put in the accelerator and coupling agent in turn, and mix evenly.
[0031] Table 1 Example 1 perfusion glue ratio
[0032]
Embodiment 2
[0034] Put the cardanol epoxy resin in the baking workshop and heat it up to 80°C within 1 hour, and keep it warm for 8 hours; put the heated cardanol epoxy resin into the mixer, start the mixer, and add surfactant and defoamer in sequence and ester diluent, the feeding time is controlled to be 10 minutes to complete, and then mixed for 10 minutes until uniform, and the A component is prepared. Mixing of component B First mix the curing agent component evenly, then put in the accelerator and coupling agent in turn, and mix evenly.
[0035] Table 2 Example 2 perfusion glue ratio
[0036]
Embodiment 3
[0038] Put the cardanol epoxy resin in the baking workshop and heat it up to 80°C within 1 hour, and keep it warm for 8 hours; put the heated cardanol into the mixer, start the mixer, and add surfactants, defoamers and esters in sequence For the diluent, the feeding time is controlled to be 10 minutes to complete, and after the feeding is completed, mix for another 10 minutes until it is uniform, and the A component is prepared. Mixing of component B First mix the curing agent component evenly, then put in the accelerator and coupling agent in turn, and mix evenly.
[0039] Table 3 Example 3 perfusion glue ratio
[0040]
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