| Journal: | Materials research |
| Database: | PERIÓDICA |
| System number: | 000312931 |
| ISSN: | 1516-1439 |
| Authors: | Almeida, Alessandra Etuko Feuzicana de Souza1 Sichieri, Eduvaldo Paulo |
| Institutions: | 1Universidade de Sao Paulo, Escola de Engenharia de Sao Carlos, Sao Carlos, Sao Paulo. Brasil |
| Year: | 2006 |
| Season: | Jul-Sep |
| Volumen: | 9 |
| Number: | 3 |
| Pages: | 321-326 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Nota breve o noticia |
| Approach: | Experimental |
| English abstract | Mineral and organic additions are often used in mortars to improve their properties. Microstructural investigation concerning the effects of styrene acrylic polymer and silica fume on the mineralogical composition of high-early-strength portland cement pastes after 28 days of hydration are presented in this paper. Thermogravimetry and derivative thermogravimetry were used to study the interaction between polymers and cement, as well as the extent of pozzolanic reaction of the mortars with silica fume. Differential scanning calorimetry and X ray diffraction were used to investigate the cement hydration and the effect of the additions. The results showed that the addition of silica fume and polymer reduces the portlandite formation due to delaying of Portland cement hydration and pozzolanic reaction |
| Disciplines: | Ingeniería, Química |
| Keyword: | Ingeniería de materiales, Química de polímeros, Cemento Portland, Propiedades mecánicas, Composición química, Termogravimetría |
| Keyword: | Engineering, Chemistry, Materials engineering, Polymer chemistry, Portland cement, Mechanical properties, Chemical composition, Thermogravimetry |
| Full text: | Texto completo (Ver HTML) |
