Superplasticizer in aqueous phase has effects of supplement and dispersion.
液相中的超塑化剂量可以起到补充和分散的作用。
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。
This paper introduces the synthetic process of a modified amino sulfonic acid series superplasticizer.
介绍了氨基磺酸系高性能减水剂的改性合成工艺。
Based on molecular design theory of polymer, a kind of low slump loss polycarboxylate type superplasticizer was synthesized.
应用高分子设计原理，合成了一种低坍损聚羧酸系高效减水剂。
The adsorption of superplasticizer on cement particle is the be-ginning of dispersion , and it is also foundation of its function.
在水泥颗粒表面的吸附是超塑化剂分散作用的开始，也是其作用的基础。
Based on molecular design theory of polymer, a kind of low slump loss comb-like polycarboxylate type superplasticizer was synthesized.
应用高分子设计原理，合成了一种低坍损梳形聚羧酸系高效减水剂。
The results show that the fluidity of cement paste is affected by both the sulfate content and the dosage of naphthalene superplasticizer.
结果表明：减水剂掺量和水泥中硫酸盐的含量共同影响水泥浆体的流动度。
Molecules of superplasticizer can adsorb on cement particles in disordered state. This changes physicochemical properties of particle surface.
但是，他们并未对单个超塑化剂分子在水泥颗粒表面的吸附形态提出看法。
The most important technical means to make concrete with high performance is to use composite superplasticizer and super fine mineral admixture.
混凝土达到高性能最重要的技术手段是使用复合超塑化剂和超细矿物质掺合料。
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 result shows this low slump loss superplasticizer features in easy action property, high water reducing rate, and good performance of concrete, etc.
结果表明：该产品减水剂具有优良的工作性能、高减水性、混凝土性能等特性。
At last , the author exlains the effect of superplasticizer with different dosage on cement paste fluidity with principles of adsorption point at large.
最后，作者应用吸附点理论对不同掺量超塑化剂对水泥净浆流动性的影响做了较为详尽的解释。
Finally, the paper was summarized, and some prospects of future research directions to two-step synthesis of polycarboxylic superplasticizer was proposed.
最后对全文进行总结，并提出今后研究(本文此处略…)的方向及对二步法合成聚羧酸盐高效减水剂一些瞻望。
Structure of superplasticizer was characterized by IR and effects of the product on fluidity of cement paste and water reduction for concrete were investigated.
利用IR表征了其结构，并考察了产品对水泥净浆流动度和混凝土减水率的影响。
There is little effect for the soluble alkali content in cement paste when the dosage of aminosulphonate based superplasticizer is greater than its saturated amount.
当氨基磺酸盐高效减水剂掺量大于其饱和掺量时，则基本上可以不考虑可溶碱含量对水泥浆体流动度的影响。
The results show that superplasticizer has effect on clinker grinding in varying degrees, which depend on the amount of superplasticizer and the property of clinker.
结果表明，高效减水剂对水泥熟料具有不同程度的助磨作用，作用的大小与减水剂掺量及熟料自身物料特性有关；
Acrylate monomer with polyoxyethylene group chain and a series of polycarboxylic superplasticizer were synthesized and their water-reducing effects were investigated.
介绍了聚氧乙烯基烯丙酯大单体和聚羧酸减水剂的合成，并对合成的聚羧酸减水剂进行了性能考察。
By controlling those parameters, the hydroxymethylated and sulfonated ratios of melamine resin superplasticizer were enhanced, the performances of product also improved.
通过控制这些因素提高了密胺树脂高效减水剂的羟甲基化率和磺化率，改善了产物性能。
Polycarboxylate superplasticizer with carboxylic, sulfonation groups in its main chain and polyoxyethylene ether as side chains was prepared by the macromolecular reaction.
通过大分子反应，合成了一类主链带羧基、磺酸基，支链带聚氧乙烯基醚的聚羧酸系高效减水剂。
The hydration heat of cement paste was tested to investigate the influence of sulfate content in cement paste on the compatibility of cement and naphthalene superplasticizer.
同时测定水泥浆体的水化放热，确定水泥浆体中硫酸盐含量对水泥和萘系减水剂相容性的影响。
The careful control of the hydrolysis process of synthesizing technology of naphthalene-based superplasticizer strongly affects the water-reducing performance of final product.
萘系高效减水剂合成工艺中水解反应过程的控制对最终产品的减水性能影响很大。
A kind of unsaturated polyether was adopted as the reactive monomer, synthesis a new type of polycarboxylate superplasticizer with high dispersibility and long retention characters.
采用了工业化的不饱和聚醚多元醇为反应单体，合成了一种高减水率，长缓凝时间的新型聚羧酸系高效减水剂。
The compatibility of the superplasticizer with straight cement and admixture cement is investigated by testing the fluidity loss of cement pastes containing the superplasticizer added.
通过对掺高效减水剂水泥净浆流动性及流动性损失的测定试验，研究了高效减水剂与水泥及掺混合材水泥的相容性。
Mix with setretarder could make compound dispersants setretarder superplasticizer which could extend initial setting time up to 20h and no negative effect on late compressive strength.
通过缓凝三元复合制成缓凝高效减水剂，延长初凝时间至20小时以上，并且对混凝土后期强度无副作用。
According to the research, development and application of superplasticizer, and documents around the world, the critical values is analyzed and evaluated theoretically and practically.
本文根据对减水剂研究、开发和应用中的体会并结合国内外的研究资料，从理论和实践上对临界掺量问题加以分析和评价。
High performance concrete is a good example of the application of high performance cement-based materials. Superplasticizer has played the vital roles in the high performance of concrete.
高性能混凝土是高性能水泥基材料的应用典范，高效减水剂对混凝土的高性能化起着至关重要的作用。
The parameters of synthesizing technology of traditional melamine resin Superplasticizer were optimized, and the distinct parameters were ascertained through the perpendicular experiments.
以正交试验为基础优化了传统密胺树脂高效减水剂的合成工艺参数，找出了显著影响因素。
The synthetic superplasticizer has little difference in performance compared to other products around the world, but the synthetic polycarboxylate superplasticizer has good cost performance.
在与国内外同类产品的对比试验中，自制减水剂与其性能相差不大，但成本低，自制产品的性价比高。
Synthesis of ASR amino-superplasticizer was studied. The fourth monomer, agitation speed, order of feed, temperature, time, composition of feed were key factors affecting product performance.
研究了氨基磺酸盐asr高效减水剂的合成工艺，分别考察了第四单体、搅拌速度、加料顺序、温度、时间及配比等对产品性能的影响。
Synthesis of ASR amino-superplasticizer was studied. The fourth monomer, agitation speed, order of feed, temperature, time, composition of feed were key factors affecting product performance.
研究了氨基磺酸盐asr高效减水剂的合成工艺，分别考察了第四单体、搅拌速度、加料顺序、温度、时间及配比等对产品性能的影响。
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