Introduction of a case study on the adsorption of non-ionic polymers onto colloidal silica.
We would like to introduce a case study conducted by Majerika Japan Co., Ltd. to predict the optimal amount of dispersant by measuring relaxation time. Dispersants (PVP: nonionic polymer) were added to colloidal silica at concentrations of 0%, 1%, 2%, 3%, and 4%, and relaxation time measurements were carried out. When using water as the bulk liquid, the Rsp value tended to continue increasing, but when using the supernatant obtained from a ultracentrifuge, the Rsp value reached a steady state. 【Case Summary】 ■ Experiment - Dispersants were added to colloidal silica, and relaxation time measurements were conducted. ■ Results - Using the supernatant obtained from the ultracentrifuge as the bulk liquid resulted in the Rsp value reaching a steady state. *For more details, please refer to the PDF document or feel free to contact us.
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Our company was established with the cooperation of Mageleka, Inc. in the United States and Resonance Systems in Germany. We engage in the import and sales of analytical instruments, as well as the sales of analytical consumables, contract measurement services, technical consulting, and collaborative research. We believe it is a great joy to assist, even in a small way, with research and quality control, and we will think together with you as closely as possible as analysts, so please feel free to contact us with your requests.