한국염색가공학회지 (Textile Coloration and Finishing)

  • 제30권2호
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  • Pages.107-116
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  • 2018
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  • 1229-0033(pISSN)
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  • 2234-036X(eISSN)
한국염색가공학회 (The Korean Society of Dyers and Finishers)
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헥사메텔렌 디아민이 EVA/Itaconated EPDM 블렌드 발포체의 물성 및 접착강도에 미치는 영향 (I)

Effect of 1,6-Hexamethylenediamine Content on the Properties/Adhesive Strength of EVA/Itaconated EPDM Blend Foams (I)

  • 정현지 (부산대학교 유기소재시스템공학과) ;
  • 이영희 (부산대학교 유기소재시스템공학과) ;
  • 김정수 (한국신발피혁연구원) ;
  • 이동진 (한국신발피혁연구원) ;
  • 김성열 (경북대학교 기계공학부)
  • Jung, Hyun-Ji (Department of Organic Material Science and Engineering, Pusan National University) ;
  • Lee, Young-Hee (Department of Organic Material Science and Engineering, Pusan National University) ;
  • Kim, Jung-Soo (Korea Institute of Footwear and Leather Technology) ;
  • Lee, Dong-Jin (Korea Institute of Footwear and Leather Technology) ;
  • Kim, Sung Yeol (School of Mechanical Engineering, Kyungpook National University)
  • 투고 : 2018.06.05
  • 심사 : 2018.06.24
  • 발행 : 2018.06.27
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초록

Simplification of the manufacturing process in shoe making is essential to improve productivity and reduce production costs. To improve the adhesion of EVA foam used as a midsole, EVA/itaconated EPDM(EPDM-g-IA)(80/20wt%) blend was prepared using Torque Rheometer-Plasti-Corder, and 1,6-hexamethylenediamine/crosslinking agent/foaming agent/additive were mixed, followed by amidation reaction and foaming to prepare EVA/EPDM-g-IA foam for shoe midsole. In this study, we investigate the effect of the content of 1,6-hexamethylenediamine(0, 0.5, 1.0, 2.0, 3.0) on the mechanical properties, water-contact angle and adhesion of EVA/itaconated EPDM foam. As the content of 1,6-hexamethylenediamine increased, mechanical properties such as tensile strength, tear strength, tensile elastic modulus, hardness, and water-contact angle were lowered, but elongation at break and compression set(%) were increased. Both normal type and non-UV type adhesive strength increased with increasing diamine content. In particular, it was found that the adhesion strength of the non-UV type adhesion increased sharply with increasing diamine content. As a result, an adherend rupture occurs in a foam sample having a content of 1,6-hexamethylenediamine of 3phr. From this, it can be seen that the EVA/itaconated EPDM foam for shoe midsoles, which can be used for non-UV adhesion without primer and UV treatments, have been developed.

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참고문헌

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