A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
AMPHIPATHIC MULTIFUNCTIONAL HYBRID NANOPARTICLE, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Disclosed is an amphiphilic multifunctional hybrid nanoparticle. The nanoparticle of the present invention has a detachable hydrophilic organic polymer with both a water-soluble long chain and a hydrophobic long hydrocarbon functional group attached to the surface, wherein the body of the nanoparticle is a silica or an organofunctional group substituted silica or an organofunctional group substituted silicon-oxygen bond network, and the nanoparticle contains a free organosiloxane with hydrophobic long hydrocarbon functional groups and a fatty acid or fatty acid ester or aluminum complex of fatty acid with hydrophobic long hydrocarbon functional groups. The nanoparticle can reduce the water permeability of the cement-based material; the cement-based material has the internal hydration products and interfaces are hydrophobized, further reducing the possibility that the harmful particles erode the cement-based material through moisture penetration; furthermore, Si—Al oxides participate is beneficial to the improvement of its mechanical properties.
AMPHIPATHIC MULTIFUNCTIONAL HYBRID NANOPARTICLE, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
Disclosed is an amphiphilic multifunctional hybrid nanoparticle. The nanoparticle of the present invention has a detachable hydrophilic organic polymer with both a water-soluble long chain and a hydrophobic long hydrocarbon functional group attached to the surface, wherein the body of the nanoparticle is a silica or an organofunctional group substituted silica or an organofunctional group substituted silicon-oxygen bond network, and the nanoparticle contains a free organosiloxane with hydrophobic long hydrocarbon functional groups and a fatty acid or fatty acid ester or aluminum complex of fatty acid with hydrophobic long hydrocarbon functional groups. The nanoparticle can reduce the water permeability of the cement-based material; the cement-based material has the internal hydration products and interfaces are hydrophobized, further reducing the possibility that the harmful particles erode the cement-based material through moisture penetration; furthermore, Si—Al oxides participate is beneficial to the improvement of its mechanical properties.
AMPHIPATHIC MULTIFUNCTIONAL HYBRID NANOPARTICLE, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF
SHU XIN (author) / RAN QIANPING (author) / YANG YONG (author) / WANG XIUMEI (author) / LIU JINZHI (author) / ZHANG JIANGANG (author) / ZHAO HONGXIA (author)
2021-05-27
Patent
Electronic Resource
English
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