superplasticizer

Study on the Retarding Performance of Aminosulfonic Acid-Based Superplasticizer

氨基磺酸系高效减水剂ASP缓凝性能研究

NF acyclic superplasticizer has been made mainly of acetone and formaldehyde under certain reaction conditions.

NF脂肪族系高效减水剂系是以丙酮、甲醛为主要原料，辅以适量磺化剂、引发剂，在一定反应条件下合成的新型高性能减水剂，是一种羟基磺酸盐高缩合物。

adsorptive characteristics and action mode of aliphatic superplasticizer

脂肪族高效减水剂的吸附特征与作用机理

Experimental Research on a Type of Superplasticizer of Poly-carboxylic Acid

一种聚羧酸型高效减水剂的实验研究

There's 7-8 million tons of production capacity superplasticizer, which expected to be revenue growth of 10 %.

公司有 7-8 万吨高效减水剂产能, 预计该业务收入将会有10%的增长.

For the control of slump loss, generally some setretarder ( mainly glucide) is mixed with the superplasticizer to delay the setting time of concrete.

对于坍落度损失的控制一般是复合缓凝剂（主要是糖类）以延长混凝土的凝结时间。

The development condition and the problems in practice of Naphthalene series superplasticizer were also analysed.

分析了萘系高效减水剂的发展状况及应用中存在的问题.

Aminosulfonic acid series superplasticizer ( ASP) has high water reducing rate and low slump loss with time elapsed, but shortcomings such as expensive price, low workable performance, easy bleeding and segregation of concrete limit its application.

低坍落度损失高效减水剂氨基磺酸系高效减水剂ASP具有减水率高、坍落度损失小等特点，但其价格较高、混凝土易泌水离析，限制了其工程应用。

The gained achievements have a certain guiding significance for the industrial production of Naphthalene series superplasticizer.

所得成果对萘系高效减水剂的工业生产具有一定的指导意义.

The major reason for the occurring of nonconformance between cement and superplasticizer lies in the fact that large amount of superplasticizer is absorbed by hydrates.

水泥与超塑化剂相适应性不好主要是水泥水化产物吸附大量的超塑化剂所致。

Study on Technology of Modified Aminosulfonic Acid-based Superplasticizer by Vegetable Tannin

栲胶改性氨基磺酸系减水剂的工艺研究

compatibility of high belite cement, portland cement and ordinary portland cement with superplasticizer and effect of mineral admixtures on the compatibility of high belite cement have been studied with the test of the workability of concrete as reaffirmation.

研究了高效减水剂与高贝利特水泥、硅酸盐水泥、普通硅酸盐水泥的相容性以及矿物掺合料对高贝利特水泥相容性的影响，并以混凝土工作性指标进行验证。

the incorporation of melamine resin superplasticizer can improve compressive strength of sulpho aluminate cement in all ages.

密胺树脂减水剂的掺入能有效提高硫铝酸盐水泥的早期和后期强度。

Its conclusions are favourable to the synthesis of a new copolymer superplasticizer.

该工作结论有利于合成一类新型共聚物类高效减水剂.

Main factors influencing concrete adiabatic temperature rise are discussed theoretically. The influences of initial casting temperature, superplasticizer and fly ash on the adiabatic temperature rise and the temperature rise rate of concrete were studied.

从理论上讨论了影响混凝土绝热温升的主要因素，并通过实验分析了初始入模温度、掺加粉煤灰和减水剂等因素对混凝土绝热温升和温升速率的影响。

Superplasticizer mainly absorbs on the cement hydrates covering the surface of cement particles instead of on the surface of unhydrated particles.

超塑化剂主要是大量吸附在水泥颗粒表面的水化产物上而不是吸附在未水化水泥颗粒表面。

The synthetic technology of aminosulfonic acid-based superplasticizer with low residual quantity of free phenol and formaldehyde was studied, and its structure, relative molecular mass and its distribution were also studied with IR and GPC.

研究了低苯酚和甲醛残留的氨基磺酸系高效减水剂（ASP）的合成工艺，通过IR和GPC研究了其结构、分子量及分布。

Study was made of auxiliary-plasticizing effects of 5 retarders on cement-superplasticizer-retarder ternary compound.

研究了5种缓凝剂在水泥、 高效减水剂 和缓凝剂三元复合体系中的辅助塑化效应.

A new alkali-free amino sulfonic acid-based superplasticizer was prepared using different alkali lye.

使用不同的碱性调节剂,制备不含碱的新型氨基磺酸系高效减水剂.

Study of adsorbability of cement for superplasticizer with different clinker modulus and mineral composition

熟料率值及矿物组成不同的水泥对高效减水剂吸附性能的研究