A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Pentose modified water reducing agent and preparation method thereof
The invention discloses a pentose modified water reducing agent, which is prepared from the following raw materials in parts by weight: 300 to 400 parts of unsaturated polyether macromonomer, 10 to 40 parts of unsaturated carboxylic acid monomer, 10 to 60 parts of pentose acid ester, 0.5 to 3 parts of chain transfer agent, 1 to 3 parts of oxidizing agent, 0.5 to 2 parts of reducing agent and 350 to 700 parts of water. The invention also discloses a preparation method of the pentose modified water reducing agent. The prepared water reducing agent can improve the flowability of a concrete mixture, inhibit the gradual slump loss of concrete and improve the wrapping property and cohesiveness of the concrete.
本发明公开了一种五碳糖改性减水剂，包括以下按重量份数配比的原料：不饱和聚醚大单体300份‑400份，不饱和羧酸单体10份‑40份，五碳糖酸酯10份‑60份，链转移剂0.5份‑3份，氧化剂1份‑3份，还原剂0.5份‑2份，水350份‑700份。本发明还公开了一种五碳糖改性减水剂的制备方法。本发明制备所得的减水剂能提高混凝土拌合物的流动性，抑制混凝土经时坍落度损失，改善混凝土包裹性和粘聚性。
Pentose modified water reducing agent and preparation method thereof
The invention discloses a pentose modified water reducing agent, which is prepared from the following raw materials in parts by weight: 300 to 400 parts of unsaturated polyether macromonomer, 10 to 40 parts of unsaturated carboxylic acid monomer, 10 to 60 parts of pentose acid ester, 0.5 to 3 parts of chain transfer agent, 1 to 3 parts of oxidizing agent, 0.5 to 2 parts of reducing agent and 350 to 700 parts of water. The invention also discloses a preparation method of the pentose modified water reducing agent. The prepared water reducing agent can improve the flowability of a concrete mixture, inhibit the gradual slump loss of concrete and improve the wrapping property and cohesiveness of the concrete.
本发明公开了一种五碳糖改性减水剂，包括以下按重量份数配比的原料：不饱和聚醚大单体300份‑400份，不饱和羧酸单体10份‑40份，五碳糖酸酯10份‑60份，链转移剂0.5份‑3份，氧化剂1份‑3份，还原剂0.5份‑2份，水350份‑700份。本发明还公开了一种五碳糖改性减水剂的制备方法。本发明制备所得的减水剂能提高混凝土拌合物的流动性，抑制混凝土经时坍落度损失，改善混凝土包裹性和粘聚性。
Pentose modified water reducing agent and preparation method thereof
一种五碳糖改性减水剂及其制备方法
CHEN JING (author) / YAN SHENGDONG (author) / BI YAO (author) / LIU QIBIN (author) / WANG SHAOFENG (author) / YIN YI (author) / SHAN HAILIN (author) / LI DONGLAI (author) / FU LING (author)
2022-12-16
Patent
Electronic Resource
Chinese
Concrete modified water reducing agent and preparation method thereof
| European Patent Office | 2023
Modified lignosulfonate water-reducing agent and preparation method thereof
| European Patent Office | 2015
Modified lignosulfonate water reducing agent and preparation method thereof
| European Patent Office | 2021
Modified polyaspartic acid shrinkage-reducing water reducing agent and preparation method thereof
| European Patent Office | 2020
Water reducing agent, preparation method thereof and concrete using water reducing agent
| European Patent Office | 2023