论文部分内容阅读
长春市宽城化学外加剂厂在东北地区混凝土化学外加剂专家顾问组的指导下,研制成功T-25℃混凝土防冻剂。于1988年10月9日经长春市科委组织有关专家,通过了市级技术鉴定。 T-25℃混凝土防冻剂系列产品采用亚硝酸钠、硫酸钠、三乙醇胺、减水剂等复合精加工而制成。其水溶液掺入混凝土中,能降低冰点,在混凝土硬化过程中,促进和提高水化反应。
Changchun City Kuancheng Chemical Admixture Factory under the guidance of the expert advisor group of concrete admixtures in Northeast China, successfully developed the T-25°C concrete antifreeze agent. On October 9, 1988, the relevant experts were organized by the Changchun Science and Technology Commission and passed the municipal technical appraisal. T-25 °C concrete antifreeze series products using sodium nitrite, sodium sulfate, triethanolamine, water reducing agent and other compound finishing. The aqueous solution is incorporated into the concrete to reduce the freezing point and promote and improve the hydration reaction during the concrete hardening process.