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Liquid alkali-free accelerator for sprayed concrete and preparation method of liquid alkali-free accelerator

MING YANG / LI LING / CHEN PING / GAN GUOXING / PAN GELIN / XIANG WEIHENG / HU CHENG / LI QING / XIAO DUNKAI / WANG PENGHUAI

The invention discloses a liquid alkali-free accelerator for sprayed concrete, which is prepared from the following components in parts by weight: 40 to 50 parts of aluminum sulfate, 5 to 10 parts of triethanolamine, 3 to 7 parts of magnesium fluosilicate, 2 to 6 parts of polyamide-amine dendrimer, 1 to 3 parts of glycerol and 50 to 70 parts of water. The density of the liquid alkali-free accelerator for sprayed concrete is 1.28-1.36 g/cm < 3 >, the pH value of the liquid alkali-free accelerator is 7.3-7.8, and the solid content of the liquid alkali-free accelerator is 35-45%. The liquid alkali-free accelerator provided by the invention has excellent stability, can improve early strength, has no loss to later strength, and has good adaptability.

本发明公开了一种喷射混凝土用液体无碱速凝剂，按照重量份计，由以下组分组成：硫酸铝40～50份、三乙醇胺5～10份、氟硅酸镁3～7份、聚酰胺‑胺型树状高分子2～6份、丙三醇1～3份、水50～70份。喷射混凝土用液体无碱速凝剂密度为1.28～1.36g/cm3、pH值为7.3～7.8、固含量为35～45％。本发明液体无碱速凝剂具有优异的稳定性，能够提高早期强度、对于后期强度无损失，并且能够具有良好的适应性。

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Liquid alkali-free accelerator for sprayed concrete and preparation method of liquid alkali-free accelerator

MING YANG / LI LING / CHEN PING / GAN GUOXING / PAN GELIN / XIANG WEIHENG / HU CHENG / LI QING / XIAO DUNKAI / WANG PENGHUAI

The invention discloses a liquid alkali-free accelerator for sprayed concrete, which is prepared from the following components in parts by weight: 40 to 50 parts of aluminum sulfate, 5 to 10 parts of triethanolamine, 3 to 7 parts of magnesium fluosilicate, 2 to 6 parts of polyamide-amine dendrimer, 1 to 3 parts of glycerol and 50 to 70 parts of water. The density of the liquid alkali-free accelerator for sprayed concrete is 1.28-1.36 g/cm < 3 >, the pH value of the liquid alkali-free accelerator is 7.3-7.8, and the solid content of the liquid alkali-free accelerator is 35-45%. The liquid alkali-free accelerator provided by the invention has excellent stability, can improve early strength, has no loss to later strength, and has good adaptability.

本发明公开了一种喷射混凝土用液体无碱速凝剂，按照重量份计，由以下组分组成：硫酸铝40～50份、三乙醇胺5～10份、氟硅酸镁3～7份、聚酰胺‑胺型树状高分子2～6份、丙三醇1～3份、水50～70份。喷射混凝土用液体无碱速凝剂密度为1.28～1.36g/cm3、pH值为7.3～7.8、固含量为35～45％。本发明液体无碱速凝剂具有优异的稳定性，能够提高早期强度、对于后期强度无损失，并且能够具有良好的适应性。

Liquid alkali-free accelerator for sprayed concrete and preparation method of liquid alkali-free accelerator

MING YANG / LI LING / CHEN PING / GAN GUOXING / PAN GELIN / XIANG WEIHENG / HU CHENG / LI QING / XIAO DUNKAI / WANG PENGHUAI

The invention discloses a liquid alkali-free accelerator for sprayed concrete, which is prepared from the following components in parts by weight: 40 to 50 parts of aluminum sulfate, 5 to 10 parts of triethanolamine, 3 to 7 parts of magnesium fluosilicate, 2 to 6 parts of polyamide-amine dendrimer, 1 to 3 parts of glycerol and 50 to 70 parts of water. The density of the liquid alkali-free accelerator for sprayed concrete is 1.28-1.36 g/cm < 3 >, the pH value of the liquid alkali-free accelerator is 7.3-7.8, and the solid content of the liquid alkali-free accelerator is 35-45%. The liquid alkali-free accelerator provided by the invention has excellent stability, can improve early strength, has no loss to later strength, and has good adaptability.

本发明公开了一种喷射混凝土用液体无碱速凝剂，按照重量份计，由以下组分组成：硫酸铝40～50份、三乙醇胺5～10份、氟硅酸镁3～7份、聚酰胺‑胺型树状高分子2～6份、丙三醇1～3份、水50～70份。喷射混凝土用液体无碱速凝剂密度为1.28～1.36g/cm3、pH值为7.3～7.8、固含量为35～45％。本发明液体无碱速凝剂具有优异的稳定性，能够提高早期强度、对于后期强度无损失，并且能够具有良好的适应性。

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Titel:

Liquid alkali-free accelerator for sprayed concrete and preparation method of liquid alkali-free accelerator

Weitere Titelangaben:

一种喷射混凝土用液体无碱速凝剂及其制备方法

Beteiligte:

MING YANG (Autor:in) / LI LING (Autor:in) / CHEN PING (Autor:in) / GAN GUOXING (Autor:in) / PAN GELIN (Autor:in) / XIANG WEIHENG (Autor:in) / HU CHENG (Autor:in) / LI QING (Autor:in) / XIAO DUNKAI (Autor:in) / WANG PENGHUAI (Autor:in)

Erscheinungsdatum:

31.03.2023

Medientyp:

Patent

Format:

Elektronische Ressource

Sprache:

Chinesisch

Klassifikation:

IPC: C04B Kalk , LIME

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