| 초록 |
Crystallization of precipitated calcium carbonate(PCC) is an issue in papermaking industry in terms of bulk and strength properties of paper sheets. Polyacrylamide is a universal polyelectrolyte that is applied widely to various areas, such as water treatment, mineral processing, soil recovery, paper industry, and biological applications and so on. The crystallization of PCC is determined by a number of strictly defined parameters, such as morphology, structure, size, specific surface area, brightness, oil adsorption, chemical purity, and so on. Therefore, the control of crystal shape and size is fundamental from the viewpoint of technical application. The aim of this study is to control crystallization of PCC with anionic polyacrylamide in carbonation process. Simultaneously, morphology of PCC was observed closely with FE-SEM and XRD technique. |
