发明名称 THERMOPLASTIC POLYURETHANE FOAM FILMS
摘要 PURPOSE: A method for manufacturing a thermoplastic poly urethane foam film for high-frequency bonding and a thermoplastic poly urethane foam film manufactured by the same are provided to completely remove surface nonuniformity of a foaming TPU film and to reduce the weight of a TPU film over 20%. CONSTITUTION: A method for manufacturing a thermoplastic poly urethane foam film for high-frequency bonding using a T-die extruder comprises following steps. Thermoplastic poly urethane is foamed and the foamed thermoplastic poly urethane is extruded by the T-die extruder at a time so that the thermoplastic poly urethane foam film is manufactured.
申请公布号 KR20100056629(A) 申请公布日期 2010.05.28
申请号 KR20080115516 申请日期 2008.11.20
申请人 PARK, HEE DAE 发明人 PARK, HEE DAE
分类号 B29C47/00;B29C47/04;B29D7/01 主分类号 B29C47/00
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