缩合聚丙烯酸-胺化聚脂聚合物作为混凝土的高效减水剂

SP-173: Fifth CANMET/ACI International Conference on Superplasticizers and Other Chemical Admixtures in Concrete Pub Date : 1997-09-01 DOI:10.14359/6178

A. Jeknavorian, L. Roberts, H. K. L. Jardine, D. Darwin

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引用次数: 7

摘要

一种新的梳状聚合物家族已经被开发出来，它克服了传统的高范围减水剂(通常被称为高效减水剂)通常表现出的许多性能缺陷。本文讨论了与梳状聚合物型高效减水剂相关的一些理论考虑，并报告了几个关键的性能优势，如在不延长凝结时间的情况下延长坍落度寿命，坍落度和空气性能随水泥牌号的变化最小，以及砂浆流动试验中的线性掺量响应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Condensed Polyacrylic Acid-Aminated Polyet her Polymers as Superplasticizers for Concrete

A new family of comb polymers has been developed that have been found to overcome many performance shortcomings typically exhibited by conventional high range water reducing agents, commonly referred to as superplasticizers. This paper discusses some theoretical considerations associated with comb polymer type superplasticizers, and reports on several key performance advantages such as extended slump life without prolonged set time, minimal variation in slump and air performance as a function of cement brand, and linear dosage response in mortar flow tests.

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SP-173: Fifth CANMET/ACI International Conference on Superplasticizers and Other Chemical Admixtures in Concrete

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