A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
HIGH-STRENGTH SELF-HEALING CAPSULE AND PRODUCTION PROCESS THEREOF
Provided is a high-strength self-healing capsule and a supporting production process thereof, belongs to the field of self-healing of concrete, comprising: healing agent and maltose; further comprising: mixing cement, silica fume and expansive materials evenly to obtain healing agent powder; mixing the healing agent powder with maltose to obtain healing agent composite powder; pre-pressing the healing agent composite powder to form fine granules; sieving the fine granules made from the pre-pressing, and granulating to obtain capsule core granules; and spraying polyvinyl alcohol (PVA) solution to the capsule core granules, while blowing hot air to remove moisture on the surface of the capsule core granules, for the PVA solution to form a film on the surface of the capsule core granules, drying, and then obtaining. On the basis of the process of the present invention, according to the engineering service environment and use requirements of the cement-based materials, suitable healing agent raw materials can be selected and combined to efficiently produce capsules, so that they can play a targeted role in self-healing.
HIGH-STRENGTH SELF-HEALING CAPSULE AND PRODUCTION PROCESS THEREOF
Provided is a high-strength self-healing capsule and a supporting production process thereof, belongs to the field of self-healing of concrete, comprising: healing agent and maltose; further comprising: mixing cement, silica fume and expansive materials evenly to obtain healing agent powder; mixing the healing agent powder with maltose to obtain healing agent composite powder; pre-pressing the healing agent composite powder to form fine granules; sieving the fine granules made from the pre-pressing, and granulating to obtain capsule core granules; and spraying polyvinyl alcohol (PVA) solution to the capsule core granules, while blowing hot air to remove moisture on the surface of the capsule core granules, for the PVA solution to form a film on the surface of the capsule core granules, drying, and then obtaining. On the basis of the process of the present invention, according to the engineering service environment and use requirements of the cement-based materials, suitable healing agent raw materials can be selected and combined to efficiently produce capsules, so that they can play a targeted role in self-healing.
HIGH-STRENGTH SELF-HEALING CAPSULE AND PRODUCTION PROCESS THEREOF
CHANG HONGLEI (author) / LIU JIAN (author) / XIE QUANYI (author)
2024-08-01
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
HIGH-STRENGTH SELF-REPAIRING CAPSULE AND PRODUCTION PROCESS THEREFOR
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Green self-healing concrete capsule and preparation method thereof
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