Control of Polymer Rheology Properties and Molding Processability, Examples of Molding Improvement
S11001
★What are the rheological (viscoelastic) properties of plastics!? ★What are the methods for improving actual plastic forming and processing!?
Lecturer Masataka Sugimoto, Associate Professor, Graduate School of Science and Engineering, Yamagata University Target Audience: Researchers and personnel interested in plastic molding and rheological properties Venue: Kawasaki City International Exchange Center, Conference Room 1 [Kanagawa, Kawasaki City] 10 minutes walk from Motosumiyoshi Station on the Tokyu Toyoko Line Date and Time: October 28, 2011 (Friday) 13:30-16:30 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 fees) for up to 2 people from one company *Limited to Tech-Zone members who apply by October 14. Membership registration is free. *After October 14, the [Regular Price] will be 49,350 yen (tax included, including text fees) for up to 2 people from one company.
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basic information
【Lecture Abstract】 Plastic molding processing consists of the processes of "flowing," "shaping," and "solidifying." The "flowing" process is the initial stage and can significantly influence the physical properties and functions of the final product. This presentation primarily targets those who are not very familiar with flow characteristics (rheology) in the fields of plastic material development and molding processing, as well as those who are looking to study these topics. First, I will discuss the fundamental concepts necessary for the "flowing" process (such as heat transfer and the basics of rheology), and then I will introduce specific techniques for modifying the flow properties of several polymer materials and examples of improving moldability.
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P2
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P2
Applications/Examples of results
**Program** 1. Introduction 2. Basic Concepts of Rheology 2.1 Deformation and Stress 2.2 Viscoelasticity 2.3 Rubber 3. Imparting Fluidity to Plastics 3.1 Heat Transfer in Plastic Materials 3.2 Imparting Fluidity in the Molding Process 3.3 Molecular Weight and Fluidity 4. Control of Fluidity in Plastic Materials (Testing Methods, How to Read Test Data) 4.1 Molecular Weight Between Entanglement Points in the Rubber-like Region 4.2 Linear Viscoelasticity 4.3 Time-Temperature Superposition Principle 4.4 Steady Flow 4.5 Extensional Viscosity 5. Control of Fluidity in Polymer Materials, Methods to Enhance Melt Strength 5.1 Amorphous Plastics such as PS 5.2 Polyolefins 5.3 Polyesters like PET and Polylactic Acid 5.4 Composite Plastics 6. Plastic Molding Processing and Rheological Properties 6.1 Physical Property Changes During Foaming and Foaming Agent Impregnation 6.2 Improvements in Drawdown and Thickness Distribution of Blow Molding Products 6.3 Neck-in and Multilayer Flow in Film Molding **[Q&A and Business Card Exchange]**
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