Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Polyether modified polysiloxane and preparation method thereof as well as efficient defoaming agent and preparation method thereof
The invention relates to the technical field of concrete admixtures, in particular to polyether modified polysiloxane and a preparation method thereof, and an efficient defoaming agent and a preparation method thereof. The efficient defoaming agent is prepared by mixing polyether modified polysiloxane and an emulsifier in water, and stirring at the heating temperature of 60-90 DEG C. The defoaming agent prepared from polyether modified polysiloxane has good hydrolysis resistance and long-term storage stability, and when the defoaming agent is applied to concrete, the concrete workability is good, harmful bubbles in the concrete can be effectively eliminated, the defoaming agent is good in foam stabilizing performance, the size stability of the foam is good, and the defoaming agent has good water resistance and long-term storage stability. The foam is fine and soft, the early concrete material is good in flowing property, the mechanical property of the concrete material can be effectively improved, and the service life of the concrete material is prolonged.
本发明涉及混凝土外加剂技术领域，特别涉及一种聚醚改性聚硅氧烷及其制备方法、高效消泡剂及其制备方法。该高效消泡剂由聚醚改性聚硅氧烷和乳化剂混合于水中的混合物，经60～90℃加热温度下搅拌处理制得。本发明采用聚醚改性聚硅氧烷制备出的消泡剂，具有良好的抗水解性和长期储存稳定性，而且其应用于混凝土中时，混凝土和易性好，可有效消除混凝土有害气泡，其匀泡性能较好，泡沫的尺寸稳定性能好，泡沫细腻柔软早期混凝土物料的流动性能良好，可有效提高混凝土材料的力学性能，延长混凝土材料的使用寿命。
Polyether modified polysiloxane and preparation method thereof as well as efficient defoaming agent and preparation method thereof
The invention relates to the technical field of concrete admixtures, in particular to polyether modified polysiloxane and a preparation method thereof, and an efficient defoaming agent and a preparation method thereof. The efficient defoaming agent is prepared by mixing polyether modified polysiloxane and an emulsifier in water, and stirring at the heating temperature of 60-90 DEG C. The defoaming agent prepared from polyether modified polysiloxane has good hydrolysis resistance and long-term storage stability, and when the defoaming agent is applied to concrete, the concrete workability is good, harmful bubbles in the concrete can be effectively eliminated, the defoaming agent is good in foam stabilizing performance, the size stability of the foam is good, and the defoaming agent has good water resistance and long-term storage stability. The foam is fine and soft, the early concrete material is good in flowing property, the mechanical property of the concrete material can be effectively improved, and the service life of the concrete material is prolonged.
本发明涉及混凝土外加剂技术领域，特别涉及一种聚醚改性聚硅氧烷及其制备方法、高效消泡剂及其制备方法。该高效消泡剂由聚醚改性聚硅氧烷和乳化剂混合于水中的混合物，经60～90℃加热温度下搅拌处理制得。本发明采用聚醚改性聚硅氧烷制备出的消泡剂，具有良好的抗水解性和长期储存稳定性，而且其应用于混凝土中时，混凝土和易性好，可有效消除混凝土有害气泡，其匀泡性能较好，泡沫的尺寸稳定性能好，泡沫细腻柔软早期混凝土物料的流动性能良好，可有效提高混凝土材料的力学性能，延长混凝土材料的使用寿命。
Polyether modified polysiloxane and preparation method thereof as well as efficient defoaming agent and preparation method thereof
一种聚醚改性聚硅氧烷及其制备方法、高效消泡剂及其制备方法
LIN YANMEI (Autor:in) / FANG YUNHUI (Autor:in) / CHEN ZHANHUA (Autor:in) / SHEN QIANG (Autor:in) / CHEN HAO (Autor:in) / KE YULIANG (Autor:in) / YAO LIANGKE (Autor:in) / YAN QIONG (Autor:in) / YANG QIAO (Autor:in) / GUO YUANQIANG (Autor:in)
29.03.2024
Patent
Elektronische Ressource
Chinesisch
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2024