可用于水泥缓凝剂
2020-03-05T21:03:02+00:00建筑砂浆中,应用于水泥的缓凝剂有哪些? 百家号
2023年9月26日 水泥缓凝剂种类较多,主要有以下几种:硫酸铝酸钠、磷酸钠、硫酸镁及磷酸钙等。为了改善水泥的性能,常用的缓凝剂有:三乙醇胺、聚羧酸减水剂、木质素磺酸盐等。在应用中,根据实际情况选择合适的缓凝剂。在 商品混凝土 中掺入缓凝剂的目的是为了延长水泥的水化硬化时间,使 新拌混凝土 能在较长时间内保持塑性,从而调节新拌混凝土的 凝结时间 。 硬化影响 播报 编辑 (1)对强度的影响,掺入过量会造成混凝土24小时甚 缓凝剂百度百科缓凝剂有多种,常见有的葡萄糖酸钠、白糖、柠檬酸钠等。根据不同工地要求配于减水剂使用不同的缓凝剂。缓凝剂影响混凝土初凝时间,不影响混凝土的强度。有些水下作业的混 水泥缓凝剂都有哪些? 15 百度知道缓凝剂是一种能推迟水泥水化反应,从而延缓混凝土凝结时间的外加剂。缓凝剂大致可分为有机和无机两大类。较常使用的缓凝剂有以下几类。 ①羟基羧酸盐,如酒石酸、酒石酸甲钠、柠檬酸、水杨酸等。 ②多烃基碳水化 缓凝剂 知乎缓凝剂作为油井水泥最重要的三种外加剂之一,被用来延迟水泥架水化反应,延长水泥众稠化时间。缓凝剂主要被用来延长油井水泥水化的诱导期,从而达到调节水泥稠化时间的作 缓凝水泥百度百科
混凝土缓凝剂 百度百科
混凝土缓凝剂 外文名 concrete reatarder 优 势 延缓混凝土初凝和终凝时间 性 质 不影响混凝土质量 常用的主要有木质素类、糖类、磷酸盐、酒石 酸盐、葡萄糖酸盐、柠檬酸及其盐 水泥缓凝剂是一种能推迟水泥水化反应,从而延长混凝土的凝结时间,使新拌混凝土较长时间保持塑性,方便浇注,提高施工效率,同时对混凝土后期各项性能不会造成不良影响的 水泥缓凝剂 快懂百科用于石油钻井、完井或固井作业的水泥浆的缓凝剂 从分子量的大小或合成方法的角度可以分为有机物类缓凝剂和聚合物类缓凝剂两大类。 有机物类缓凝剂中,研究较多的有机物主要是有机膦酸(盐),其有不少品种适合用 油井水泥缓凝剂 百度百科CNA CN60A CN6A CNA CN A CN A CN A CN 6 A CN6 A CN 6A CN A CN A CN A Authority CN China Prior art keywords parts plasterboard water agent proof type Prior art date CNA 一种防水型石膏板及其制作方法 Google PatentsCNA CN40A CN4A CNA CN A CN A CN A CN 4 A CN4 A CN 4A CN A CN A CN A Authority CN China Prior art keywords gypsum corrosion resistant cement resistant type borax Prior art date CNA 耐腐蚀型石膏 Google Patents
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