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⵵/ȣ 2018 / ȣ: V.30,no.2,Jun
1() ڷ ƹ EVA/Itaconated EPDM ü ġ (I)
2(Ÿ) Effect of 1,6-Hexamethylenediamine Content on the Properties/ Adhesive Strength of EVA/Itaconated EPDM Blend Foams (I)
() , ̿*, 1, ̵1, 輺2
(Ÿ) Hyun-Ji Jung, Young-Hee Lee*, Jung-Soo Kim1, Dong-Jin Lee1 and Sung Yeol Kim2
Ҽ() λб ý۰а, 1ѱŹ, 2ϴб к
Ҽ(Ÿ) Pusan National University, 1Korea Institute of Footwear and Leather Technology, Kyungpook National U
/ 107 ~ 116 : 10
() Korean
ʷ Abstract 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.
Ű Keywords EVA foam, adhesive strength, non-UV adhesion, itaconated EPDM, amidation reaction
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Reference http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2018_v30n2_107&ordernum=

                                                                            
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