VARIATIONS OF THE ANIONS POLYMERIZATION DEGREE OF CAO-SIO2-P2O5H2O CBC MATERIALS DURING HYDRATION

Authors
FENG XP YANG NR
Citation
Xp. Feng et Nr. Yang, VARIATIONS OF THE ANIONS POLYMERIZATION DEGREE OF CAO-SIO2-P2O5H2O CBC MATERIALS DURING HYDRATION, Cement and concrete research, 27(3), 1997, pp. 407-413
Citations number
8
Categorie Soggetti
Construcion & Building Technology","Material Science
Journal title
Cement and concrete research → ACNP
ISSN journal
00088846
Volume
27
Issue
3
Year of publication
1997
Pages
407 - 413
Database
ISI
SICI code
0008-8846(1997)27:3<407:VOTAPD>2.0.ZU;2-D
Abstract
Changes in the polymeric distribution of anions during the hydration p rocess of the CBC developed from CaO-SiO2-P2O5-H2O system were studied by IR and NMR (Si-29, P-31) measurements. It was revealed that the ab sorption band of -OH in OHAp moved close to that of the standard OHAp mineral; for the sample hydrated at 365 days, there was 77.28% of the silicate appearing as SiO2, and a little polymerized phosphate [P2O7]( 4-) was also found in the same sample. (C) 1997 Elsevier Science Ltd.