Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention relates to the technical field of accelerators, in particular to an alkali-free liquid accelerator which is prepared from the following raw material components in parts by weight: 50-60 parts of polyaluminum sulfate, 12-14 parts of tetraethoxysilane, 3-6 parts of an organic cosolvent, 4-6 parts of polyphosphoric acid, 0.5-1.5 parts of an inorganic stabilizer, 0.3-0.5 part of a viscosity modifier, 30-35 parts of calcium-based montmorillonite dispersion liquid and 15-20 parts of a solubilizing component, the alkali-free liquid accelerator provided by the invention is simple in preparation process, does not rust reinforcing steel bars, does not pollute the environment, does not hurt the body of an operator, and has the characteristics of low mixing amount, good stability, high early strength and high later strength retention rate.
本发明涉及速凝剂技术领域，具体涉及一种无碱液体速凝剂，由以下重量份原料组分制成：聚合硫酸铝50～60份，正硅酸乙酯12～14份，有机助溶剂3～6份，多聚磷酸4～6份，无机稳定剂0.5～1.5份，粘度调节剂0.3～0.5份，钙基蒙脱土分散液30‑35份，增溶组分15～20份；本发明提供一种无碱液体速凝剂，其制备工艺简单，不锈蚀钢筋，不污染环境，不伤害作业人员的身体，同时具有掺量低、稳定性好、早期强度高、后期强度保留率大的特点。
The invention relates to the technical field of accelerators, in particular to an alkali-free liquid accelerator which is prepared from the following raw material components in parts by weight: 50-60 parts of polyaluminum sulfate, 12-14 parts of tetraethoxysilane, 3-6 parts of an organic cosolvent, 4-6 parts of polyphosphoric acid, 0.5-1.5 parts of an inorganic stabilizer, 0.3-0.5 part of a viscosity modifier, 30-35 parts of calcium-based montmorillonite dispersion liquid and 15-20 parts of a solubilizing component, the alkali-free liquid accelerator provided by the invention is simple in preparation process, does not rust reinforcing steel bars, does not pollute the environment, does not hurt the body of an operator, and has the characteristics of low mixing amount, good stability, high early strength and high later strength retention rate.
本发明涉及速凝剂技术领域，具体涉及一种无碱液体速凝剂，由以下重量份原料组分制成：聚合硫酸铝50～60份，正硅酸乙酯12～14份，有机助溶剂3～6份，多聚磷酸4～6份，无机稳定剂0.5～1.5份，粘度调节剂0.3～0.5份，钙基蒙脱土分散液30‑35份，增溶组分15～20份；本发明提供一种无碱液体速凝剂，其制备工艺简单，不锈蚀钢筋，不污染环境，不伤害作业人员的身体，同时具有掺量低、稳定性好、早期强度高、后期强度保留率大的特点。
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2023
Alkali-free liquid accelerator for concrete and preparation method of alkali-free liquid accelerator
| Europäisches Patentamt | 2024