Paper Title:
Effect of Molecular Weight of Long-Side-Chain of Polycarboxylic Acid Type Water-Reducer on Hydration of C3A
  Abstract

Several polycarboxylic acid type water-reducing agents (PCs) with different side-chain structure have been synthesized. The effect of side-chain structure of PCs on hydration of C3A has been investigated by XRD, TG-DSC and SEM. The results show that PCs restrain hydration of C3A as a whole, but accelerate the transformation from C2AH8 to Al (OH) 3 and C3AH6; for structure of the PCs, the bigger molecular weight of long-side-chain of PCs is advantage to restrain hydration of C3A. And it also is better to formation of six-party flake hydrated products. But the little molecular weight of long-side-chain of PCs tends to form the cube-shaped hydrated products.

  Info
Periodical
Chapter
Chapter 1: Frontiers of Building Engineering
Edited by
Dongye Sun, Wen-Pei Sung and Ran Chen
Pages
250-256
DOI
10.4028/www.scientific.net/AMM.71-78.250
Citation
H. B. Tan, B. G. Ma, K. Ke, J. Xiao, "Effect of Molecular Weight of Long-Side-Chain of Polycarboxylic Acid Type Water-Reducer on Hydration of C3A", Applied Mechanics and Materials, Vols. 71-78, pp. 250-256, 2011
Online since
July 2011
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