A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Concrete aggregate as well as preparation method and application thereof
The invention provides concrete aggregate as well as a preparation method and application thereof, and belongs to the technical field of building materials. The concrete aggregate comprises a first inner core and a second inner core, wherein the first inner core comprises composite phase change material particles and a porous cement-based material; the first shell layer is formed on the outer surface of the first inner core, and the first shell layer comprises a cement-based packaging material; wherein the composite phase change material particle comprises a second inner core, the second inner core comprises an inorganic hydrated salt phase change material and a porous medium material, and the inorganic hydrated salt phase change material is loaded in pores of the porous medium material; the second shell layer is formed on the outer surface of the second inner core, and the second shell layer sequentially comprises a hydrophobic layer, a polymer layer and a hydrophilic layer from inside to outside. A dehydration channel of the inorganic hydrated salt phase change material is effectively blocked by utilizing a double-shell structure, and the thermal performance of the concrete aggregate is improved.
本公开提供了一种混凝土骨料及其制备方法和应用，属于建筑材料技术领域。该混凝土骨料包括：第一内核，第一内核包括复合相变材料颗粒和多孔水泥基材料；以及第一壳层，形成于第一内核的外表面，第一壳层包括水泥基封装材料；其中，复合相变材料颗粒包括：第二内核，第二内核包括无机水合盐相变材料和多孔介质材料，无机水合盐相变材料负载在多孔介质材料的孔隙内；以及第二壳层，形成于第二内核的外表面，第二壳层由内至外依次包括疏水层、聚合物层和亲水层。本公开利用双壳层结构有效阻断了无机水合盐相变材料的脱水通道，提高了混凝土骨料的热性能。
Concrete aggregate as well as preparation method and application thereof
The invention provides concrete aggregate as well as a preparation method and application thereof, and belongs to the technical field of building materials. The concrete aggregate comprises a first inner core and a second inner core, wherein the first inner core comprises composite phase change material particles and a porous cement-based material; the first shell layer is formed on the outer surface of the first inner core, and the first shell layer comprises a cement-based packaging material; wherein the composite phase change material particle comprises a second inner core, the second inner core comprises an inorganic hydrated salt phase change material and a porous medium material, and the inorganic hydrated salt phase change material is loaded in pores of the porous medium material; the second shell layer is formed on the outer surface of the second inner core, and the second shell layer sequentially comprises a hydrophobic layer, a polymer layer and a hydrophilic layer from inside to outside. A dehydration channel of the inorganic hydrated salt phase change material is effectively blocked by utilizing a double-shell structure, and the thermal performance of the concrete aggregate is improved.
本公开提供了一种混凝土骨料及其制备方法和应用，属于建筑材料技术领域。该混凝土骨料包括：第一内核，第一内核包括复合相变材料颗粒和多孔水泥基材料；以及第一壳层，形成于第一内核的外表面，第一壳层包括水泥基封装材料；其中，复合相变材料颗粒包括：第二内核，第二内核包括无机水合盐相变材料和多孔介质材料，无机水合盐相变材料负载在多孔介质材料的孔隙内；以及第二壳层，形成于第二内核的外表面，第二壳层由内至外依次包括疏水层、聚合物层和亲水层。本公开利用双壳层结构有效阻断了无机水合盐相变材料的脱水通道，提高了混凝土骨料的热性能。
Concrete aggregate as well as preparation method and application thereof
混凝土骨料及其制备方法和应用
LYU SHILEI (author) / WANG JINGBO (author) / WU WENZE (author)
2024-11-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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