Calcium lignosulphonate

Study on the Application of superplasticizer Made from modified Calcium Lignosulphonate

改性木质素磺酸钙制备高效减水剂的应用研究

Study on corrosion-inhibition performances of calcium lignosulphonate of different relative molecular weights

不同分子质量木质素磺酸钙缓蚀性能研究

The dispersion performance of the three kinds of dispersant ( sodiumhexametaphosphate , sodium silicate and calcium lignosulphonate ) was also studied .

考察了三种分散剂（六偏磷酸钠，硅酸钠和木素磺酸钙）对矿泥的分散效果。

The recycle of calcium lignosulphonate from pulped waste liquor in pulp industry has a dual significance whether from the perspective of energy use or environmental protection .

作为造纸废弃物的木质素磺酸钙，其再利用具有废弃物资源化利用和环境保护的双重意义。

The spherical ligninbased cation exchange resin was prepared with calcium lignosulphonate as raw material in a cheap and non-toxic dispersing medium by reversed phase suspension polymerization .

以木素磺酸钙为原料，在一种价廉无毒的分散介质中通过反相悬浮聚合制备了球形木素基正离子交换树脂。

SO_4 ~ ( 2 - ) extraction determined and setting time measurement of cements with various F ~ - contents show that F ~ - is a major factor affecting abnormal setting of Wusong slag cement added with calcium lignosulphonate .

通过化学和红外光谱分析，由SO4~（2-）溶出量和掺不同量F~-的水泥凝结时间表明，F~-是影响吴凇矿渣水泥掺木质素磺酸钙异常凝结的重要因素。

Influence of calcium lignosulphonate ( CL ) - sodium bicarbonate ( SB ) on the hydration heat evolved rate of fly ash cement and its mechanism are investigated by the measurement of hydration heat evolved rate , SEM , DTA etc.

通过水化热，SEM，DTA等测试方法研究了木质素磺酸钙（CL）-碳酸氢钠（SB）复合外加刺对粉煤灰水泥水化放热的影响及机理。

In the circumstance of fixed water-binder ratio and cement pastes content , high range water-reducing agent could increase free shrinkage of mortars . Compared to control sample , free shrinkage of mortars with calcium lignosulphonate was more at early age , but it was less after 14 days .

在固定水胶比和水泥浆体量的情况下，与基准样相比，掺高效减水剂增大了砂浆自由收缩值，掺木钙增大了砂浆早期自由收缩值、降低了砂浆后期自由收缩值；