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A platform for research: civil engineering, architecture and urbanism
Nano cement paste
The invention relates to the technical field of building materials, in particular to nano cement paste. The nano cement paste comprises, by mass, 40-60 parts of portland cement, 12-28 parts of modified nano-silica, 10-18 parts of nano-magnesia, 0.08-0.24 part of retarder etidronic acid, 0.8-1.8 parts of defoamer tributyl phosphate, 4-12 parts of soot, 0.8-2.4 parts of polypropylene fibers, 0.2-0.8 part of glass fibers, 4-8 parts of gas channeling inhibitor and 2-6 parts of early strength agent. The thickening time and the coagulation time of the nano cement paste can meet the construction safety requirement of squeezing cement in a deep well; by the adoption of the nano cement paste, the penetrability of nano cement is improved, and effective blocking of a deep stratum is achieved. According to the nano cement paste, hydrophilic group nanomaterials are introduced for preparing the cement paste, the liquid rheology characteristic of the cement paste is improved by means of the modification function of cement paste by the nanomaterials, and the strength at the middle stage and later stage of the cement paste is improved.
Nano cement paste
The invention relates to the technical field of building materials, in particular to nano cement paste. The nano cement paste comprises, by mass, 40-60 parts of portland cement, 12-28 parts of modified nano-silica, 10-18 parts of nano-magnesia, 0.08-0.24 part of retarder etidronic acid, 0.8-1.8 parts of defoamer tributyl phosphate, 4-12 parts of soot, 0.8-2.4 parts of polypropylene fibers, 0.2-0.8 part of glass fibers, 4-8 parts of gas channeling inhibitor and 2-6 parts of early strength agent. The thickening time and the coagulation time of the nano cement paste can meet the construction safety requirement of squeezing cement in a deep well; by the adoption of the nano cement paste, the penetrability of nano cement is improved, and effective blocking of a deep stratum is achieved. According to the nano cement paste, hydrophilic group nanomaterials are introduced for preparing the cement paste, the liquid rheology characteristic of the cement paste is improved by means of the modification function of cement paste by the nanomaterials, and the strength at the middle stage and later stage of the cement paste is improved.
Nano cement paste
FAN JIACHEN (author) / ZHAO YUNLONG (author) / XU DAN (author) / XU KAI (author) / XU ZAI (author) / ZHAO WEIDA (author)
2015-09-23
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
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