Characteristics of silica nanoparticles, dispersion and aggregation, surface modification techniques and evaluation methods.
S11109
★Characterization of Silica Surface! Evaluation of Surface Property Changes Due to Surface Modification! ★Control of Wettability! Addition of Dispersants!
Lecturer Takashi Takei, Associate Professor, Department of Urban Environment Sciences, Tokyo Metropolitan University, Major in Environmental Harmony and Material Chemistry Target Audience: Researchers and technical management personnel interested in silica microparticles Venue: Kawasaki City Educational and Cultural Center, Room 1【Kanagawa, Kawasaki】 10 minutes on foot from JR and Keikyu Line "Kawasaki" Station, 5 minutes by bus Date and Time: November 29, 2011 (Tuesday) 12:30-16:30 Capacity: 30 people *Please apply early as there may be a rush of applications. Participation Fee: [Early Bird Discount Price] 46,200 yen (tax included, including text costs) for up to 2 people from one company *Limited to Tech-Zone members who apply by November 15. Membership registration is free. *After November 15, the [Regular Price] will be 49,350 yen (tax included, including text costs) for up to 2 people from one company.
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basic information
**Course Objectives and Aims** Silica microparticles are one of the inorganic materials widely used in industry, and their applications are so diverse that they are hard to fully grasp. When dispersing silica microparticles in a solvent or heterogeneous solid, the physical properties of the dispersion system greatly depend on the dispersion state of the microparticles. Therefore, controlling and evaluating the characteristics of silica's surface and interface is important. This course will introduce the basic properties of silica microparticles, methods for surface evaluation, surface modification techniques, and the evaluation and preparation of dispersion systems.
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P2
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P2
Applications/Examples of results
1. Basic Properties and Manufacturing Methods of Silica 1.1 Diversity of Silica Materials and Their Applications/Properties 1.2 Manufacturing Methods of Silica Nanoparticles 2. Fundamentals of Dispersion and Aggregation 2.1 Types and Characteristics of Dispersion Systems 2.2 Governing Factors of Dispersion and Aggregation 3. Characterization of Silica Surfaces 3.1 Properties of Surface Hydroxyl Groups and Qualitative/Quantitative Analysis 3.2 Evaluation of Surface Energy 4. Surface Modification Methods and Their Evaluation 4.1 Classification of Surface Modification Methods and Their Objectives 4.2 Liquid Phase Modification Methods 4.3 Gas Phase Modification Methods 4.4 Qualitative/Quantitative Analysis of Surface Modification Agents 4.5 Evaluation Methods for Changes in Surface Properties Due to Surface Modification 5. Preparation and Evaluation of Dispersion Systems 5.1 Evaluation Methods for Dispersion/Aggregation in Liquid 5.2 Addition of Dispersants 5.3 Dispersion through Surface Modification 5.4 Control of Wettability and Its Evaluation 5.5 Evaluation Methods for Dispersion/Aggregation in Solids 【Q&A and Business Card Exchange】
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