★What is the difference between crystalline plastics and amorphous plastics? What is interlayer adhesion in co-extrusion? ★What is a T-die? What is a circular die?
Lecturer Chair Researcher, Packaging Science Research Institute, Dr. Yoshihiko Kuzu (Formerly of Toyo Seikan Co., Ltd.) Target Audience: Engineers interested in molding technology, technical sales departments, technical management departments, etc. Venue: Scheduled to be held in Tokyo (Nihonbashi) Access: 4 minutes from Exit B3 of Higashi-Nihonbashi Station on the Toei Asakusa Line, towards Asakusabashi/ Oshiage Date and Time: December 16, 2011 (Friday) 10:30 AM - 4:30 PM Capacity: 30 participants. *Registration will close once full. Please apply early. Participation Fee: [Early Bird Discount Price] 46,200 yen (tax included, including text costs) for 2 participants from one company. *Limited to Tech-Zone members who apply by December 2. Membership registration is free. *After December 2, the [Regular Price] will be 49,350 yen (tax included, including text costs) per participant.
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【Lecture Summary】 Extrusion molding is the foundation of plastic molding. The molded products are diverse, including films, sheets, pipes, hoses, tubes, specially shaped extrusions for civil engineering and construction materials, and foamed sheets. Additionally, extrusion molding is applied in the forming of parisons in blow molding. The properties required for molded products vary, and to achieve these properties, resin compounding is performed. Co-extrusion molding is applied as a means to this end. In the first half of this seminar, the basics of extrusion molding and the extrusion technologies for various products will be introduced. The second half will discuss co-extrusion technology in films, sheets, and blow molding, as well as the characteristics and applications of co-extruded products.
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1. Basic Edition Q What types of resins are used in extrusion molding? Q What is the difference between crystalline plastics and amorphous plastics? Q What are the melting point (Tm) and glass transition temperature (Tg) of plastics? Q What is extrusion molding? Q What are the types of extrusion molding? Q What is the purpose of co-extrusion molding? Q What is the principle of screw extrusion? 2. Materials, Manufacturing, and Processing Edition Q What are the characteristics of molten resins suitable for extrusion molding? Q What is the relationship between molding conditions and the properties of molded products? Q What are the characteristics of single-axis extrusion and double-axis extrusion? Q What is interlayer adhesion in co-extrusion? Q What is the method for producing biaxially stretched films? Q What are the molding methods for engineering plastic films and sheets? Q What are the applications of large blow molding? Q What are the methods for profile extrusion molding? Q What are the methods for foam extrusion molding? 3. Equipment Edition Q What are the types and structures of screws? Q What is a T-die? Q What is a circular die? Q What is a stack plate die? Q What are the types of co-extrusion dies for film and sheet molding? Q What is the die structure of co-extrusion blow molding machines? Q What is three-dimensional blow molding? Q What is exchange blow molding?
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