Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Thickening type foam stabilizing admixture suitable for 3D printing concrete, preparation method of thickening type foam stabilizing admixture and 3D printing concrete
The invention relates to the field of concrete materials, and particularly discloses a thickening type foam stabilizing admixture suitable for 3D printing concrete, a preparation method of the thickening type foam stabilizing admixture and the 3D printing concrete. The foam stabilizing admixture is obtained by modifying guar gum and then forming a chain segment A, a chain segment B and a chain segment C on a guar gum molecular chain; the structural formula of the chain segment A is as shown in the following formula (I): # imgabs0 # formula (I), wherein M represents alkali metal ions; the structural formula of the chain segment B is as shown in the following formula (II): # imgabs 1 # formula (II), M represents alkali metal ions, and R1 and R2 are C6-C10; the structural formula of the chain segment C is as shown in the following formula (III): # imgabs2, in the formula (III), M represents alkali metal ions, and n is an integer of 20-50. The foam stabilizing admixture provided by the invention not only can improve the bubble stability of the 3D printing concrete, but also can improve the dispersity and the state retentivity of bubble pore structure slurry of the 3D printing concrete.
本申请涉及混凝土材料领域，具体公开了一种适用于3D打印混凝土的增稠型稳泡外加剂及其制备方法以及3D打印混凝土：稳泡外加剂由通过对瓜尔胶改性，进而在瓜尔胶分子链上形成链段A、链段B及链段C而得到；链段A结构式如下式(Ⅰ)所示：#imgabs0#式(I)中，M表示碱金属离子；链段B结构式如下式(Ⅱ)所示：#imgabs1#式(Ⅱ)中，M表示碱金属离子，R1、R2为C6‑C10；链段C结构式如下式(Ⅲ)所示：#imgabs2#式(Ⅲ)中，M表示碱金属离子，n为20‑50的整数。本申请提供的稳泡外加剂，不仅可以提高3D打印混凝土的气泡稳定性，而且可以提高3D打印混凝土的气泡孔结构浆体分散性、浆体状态保持性。
Thickening type foam stabilizing admixture suitable for 3D printing concrete, preparation method of thickening type foam stabilizing admixture and 3D printing concrete
The invention relates to the field of concrete materials, and particularly discloses a thickening type foam stabilizing admixture suitable for 3D printing concrete, a preparation method of the thickening type foam stabilizing admixture and the 3D printing concrete. The foam stabilizing admixture is obtained by modifying guar gum and then forming a chain segment A, a chain segment B and a chain segment C on a guar gum molecular chain; the structural formula of the chain segment A is as shown in the following formula (I): # imgabs0 # formula (I), wherein M represents alkali metal ions; the structural formula of the chain segment B is as shown in the following formula (II): # imgabs 1 # formula (II), M represents alkali metal ions, and R1 and R2 are C6-C10; the structural formula of the chain segment C is as shown in the following formula (III): # imgabs2, in the formula (III), M represents alkali metal ions, and n is an integer of 20-50. The foam stabilizing admixture provided by the invention not only can improve the bubble stability of the 3D printing concrete, but also can improve the dispersity and the state retentivity of bubble pore structure slurry of the 3D printing concrete.
本申请涉及混凝土材料领域，具体公开了一种适用于3D打印混凝土的增稠型稳泡外加剂及其制备方法以及3D打印混凝土：稳泡外加剂由通过对瓜尔胶改性，进而在瓜尔胶分子链上形成链段A、链段B及链段C而得到；链段A结构式如下式(Ⅰ)所示：#imgabs0#式(I)中，M表示碱金属离子；链段B结构式如下式(Ⅱ)所示：#imgabs1#式(Ⅱ)中，M表示碱金属离子，R1、R2为C6‑C10；链段C结构式如下式(Ⅲ)所示：#imgabs2#式(Ⅲ)中，M表示碱金属离子，n为20‑50的整数。本申请提供的稳泡外加剂，不仅可以提高3D打印混凝土的气泡稳定性，而且可以提高3D打印混凝土的气泡孔结构浆体分散性、浆体状态保持性。
Thickening type foam stabilizing admixture suitable for 3D printing concrete, preparation method of thickening type foam stabilizing admixture and 3D printing concrete
一种适用于3D打印混凝土的增稠型稳泡外加剂及其制备方法以及3D打印混凝土
YU CHENG (Autor:in) / YU JINYAO (Autor:in) / LI ZHEN (Autor:in) / ZHANG QIAN (Autor:in) / LIU JIAPING (Autor:in)
16.04.2024
Patent
Elektronische Ressource
Chinesisch
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