water reducing agent
[建] 减水剂;水还原剂
2025-09-09 19:17 浏览次数 11
[建] 减水剂;水还原剂
a new type of un-naphthalene water reducing agent and composite superfine powder for high performance concrete has been developed and utilized.
使用非萘系高效减水剂和复合超细粉体配制的高性能混凝土具有较好的流动性、抗压强度和抗渗性。
the effects of fly ash, water retention agent, re-dispersible latex powder and water reducing agent on performance of mortar were .
研究了粉煤灰、保水剂、可再分散乳胶粉、减水剂等对砂浆性能的影响,并探讨各种外加剂对砂浆的改性机理。
a low cost retarded high range water reducing agent gcl1 was prepared via oxidation and sulfonation modification using calcium lignosulfonate as primary raw material.
研究了木素磺酸钙的氧化磺化等复合改性工艺 ,合成了以木素磺酸钙为主要原料的低成本缓凝高效减水剂gcl1。
an air entraining high range water reducing agent was synthesized by way of oxidization and grafted- sulfonation of black liquor of reed pulp(sodium lignosulfonate)and its performance was studied.
通过对芦苇造纸黑液氧化、接枝磺化合成工艺,研制出具有引气性能的高效减水剂,并对其性能进行了研究。
high efficiency water reducing agent is a kind of additive agent, which can reduce mixing water greatly while maintaining unchanged landslide.
高效减水剂是指在保持混凝土坍落度基本相同的条件下能大幅度减少拌和用水量的外加剂。
by addition of compound additives made of some cheap components, the production cost of melamine water reducing agent is greatly decreased so that the spread and application value increases.
通过掺入某些廉价组分制成复合型外加剂,使得三聚氰胺减水剂的生产成本大幅降低,从而提高其推广应用价值。
the result shows that the amino sulfonic acid is the high performance water reducing agent with very high dispersiveness (water reducing rate is up to 30 %) and good performance of molding.
结果表明:氨基磺酸系高性能减水剂除具有很高的分散性(减水率高达30%),还具有良好的保塑性能;
this text has introduced the synthetic method of the high performance water reducing agent of amino sulfonic acid and production application.
介绍了氨基磺酸系高性能减水剂的合成方法及生产应用。
addition of high range water reducing agent can shorten construction period and enhance labour efficiency.
掺加高效减水剂可缩短施工工期,提高劳动效率。
the basic synthetic process parameters of water reducing agent of melamine series is thoroughly studied so as to provide necessary technical basis for industrial production.
深入研究了三聚氰胺系列减水剂的基本合成工艺参数,为其工业化生产提供必要的技术依据;
the water reducing agent of cement was prepared via sulfonation of semi-chemical pulping black liquor.
半化学浆黑液进行磺化改性制备水泥减水剂,并对改性工艺进行优化。
when high flowing pump concrete of c60 is produced, more water and water reducing agent is used. so it often appears segregation and bleeding.
配制c60高流态泵送砼时,需要采用较大用水量和减水剂掺量,故拌合物常有离析和泌水趋势。
testing results for effects of high range water reducing agent on hydration temperature elevation, heat emission and strength of the concrete were presented.
介绍了高效减水剂对混凝土水化温度升高、放热率及强度影响的试验结果。
main types and performance of amphipathic polymer in water reducing agent in concrete in china were briefly introduced.
简述了国内混凝土减水剂用两亲性聚合物主要类型和性能及研究进展。
chemical structure , mechanism , performance characteristics of jm-pca(i) carboxylic high range water reducing agent and its application in high performance concrete are presented.
本文介绍jmpca(i)聚羧酸系高效减水剂的化学结构、作用机理、性能特点及其高性能混凝土的应用。
thus for vapor-cured hpc and its formulations, naphthalene series high range water reducing agent with low sodium sulfate should be given priority.
对于蒸汽养护的hpc制品,应该优先采用硫酸钠含量低的萘系高效减水剂。
at present, water reducing agent and fly ash compound mixing additives are mainly used in cement concrete, but their application in cement stabilized macadam is rare.
目前,减水剂和粉煤灰复合掺加外加剂主要是应用于水泥混凝土,应用于水泥稳定碎石的具体研究极少。
the invention relates to a polycarboxylate composite water reducing agent suitable for low-cementitious material concrete and a preparation method thereof.
本发明涉及一种聚羧酸复合减水剂及其制备方法,适用于低胶凝材料混凝土。