COMPRESSION MOLDING OF SANDWICH PLATE USING WASTE CORD ASSEMBLAGE OF SYNTHETIC FABRICS : Melting Behavior of Waste Cord by Infrared Heating

概要

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The sandwich-type heat insulating board with fiber assemblage as a core layer was molded by applying a compression molding method to the waste cord assemblage whose surface layer was melted partially beforehand by an infrared heating technique. The fairly small themal conductivity could be achieved for the present molded plastic board. In the complex phenomena during the molding process, this paper focused on the melting behavior of thermoplastic waste cord of synthetic fabrics heated by the infrared heaters. The melting test was performed in the special closed furnace. The temperature response and distributions in the wast cord assemblage were measured by using thermocouples and the melting behavior was observed for various heating power of the infrared heaters. Moreover, the melting rate was measured for the waste cord assemblages with various void ratios. The simple compression molding method described in this paper shows promise as a contribution towards the recycling of wastes of thermoplastic fibrous material, and the experimental results obtained here may be contribute to the establishment of the optimum molding system.
社団法人日本材料学会の論文
1998-06-15