Paper Title:
29Si and 27Al MAS-NMR Studies of Fly Ash Changes during the Polymerization of Mineral Polymer
  Abstract

Mineral polymer is a new category of inorganic non-mental materials, which was manufactured from fly ash in this paper. Changes of fly ash in the polymerization can be described as: (1) Q4(0Al) is the main form of Si element in fly ash, with 67.5%content.During the solidification of mineral polymer, the content of Q4(0Al) decrease from 38.7%(3d) to 28.2%(7d) and 26%(14d), then increased to 37.8% in 28 d product; (2) the intensity of Q2(0Al) and Q3(1Al) decrease at first stage, then increase finally during the solidification of mineral polymer; (3) content of Q4(2Al)increase from 14.6%(3d), 39.2%(7d), 40.6% (14d) and decreased to 23.1% in product curing for 28 d product;(4)octahedral aluminum were the main form of Al element in fly ash, which decreased during the polymerization, simultaneously, tetrahedral aluminum increased. The experimental results provided a good basis for understanding the reactive mechanism of polymerization.

  Info
Periodical
Advanced Materials Research (Volumes 156-157)
Edited by
Jingtao Han, Zhengyi Jiang and Sihai Jiao
Pages
794-798
DOI
10.4028/www.scientific.net/AMR.156-157.794
Citation
Y. M. Nie, M. H. Xia, F. S. Niu, S. X. Liu, "29Si and 27Al MAS-NMR Studies of Fly Ash Changes during the Polymerization of Mineral Polymer", Advanced Materials Research, Vols. 156-157, pp. 794-798, 2011
Online since
October 2010
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Feng Li, Xiang Dong Liu, Yuan He Guo
Abstract:In this paper, with sodium carbonate as an auxiliary agent in the fly ash, the mixtures were sintered at 880°C for 90 min, then dissolved by...
1170
Authors: Dong Dong Wang, Wei Li Tian, Cheng Qi Wang
Chapter 8: Constructional Materials
Abstract:Experiments on adiabatic temperature rise are systematically carried out in this paper, the characteristics of adiabatic temperature rise of...
917
Authors: Rui Gang Wang
Chapter 1: Material Science and Engineering
Abstract:The activate effect of various activator on fly ash was studied according to the comparative tests of cement strength. The result shows that...
52
Authors: Ho Jae Lee, Jang Hwa Lee, Do Gyeum Kim
Chapter 2: Materials Science and Engineering
Abstract:This research analyzes the microstructure of hardened blended cement pastes. Fly ash was used to replace Portland cement type I paste. Test...
350
Authors: Bogdan Iliev Bogdanov, Yancho Hristov, Dimitar Petrov Georgiev, Irena Markovska
Chapter 07: Applied Chemistry
Abstract:A lightweight inorganic polymer is obtained using ash from thermal power plants, metakaolinite and lightweight aggregate. This inorganic...
580