Effects of EVA-g-MA and EVACO compatibilizers/tougheners on morphological and mechanical properties of PP/EVA/HNT blend polymer nanocomposites
Yazarlar (3)
Salih Doğu
Doç. Dr. Emre TEKAY Yalova Üniversitesi, Türkiye
Prof. Dr. Sinan ŞEN Yalova Üniversitesi, Türkiye
Makale Türü Özgün Makale (SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale)
Dergi Adı JOURNAL OF COMPOSITE MATERIALS (Q2)
Dergi ISSN 0021-9983 Dergi Bilgileri (2020)
Dergi Tarandığı Indeksler SCI
Makale Dili İngilizce Basım Tarihi 07-2020
Kabul Tarihi – Yayınlanma Tarihi 09-12-2019
Cilt / Sayı / Sayfa 54 / 16 / 2195–2215 DOI 10.1177/0021998319893423
Makale Linki https://journals.sagepub.com/doi/10.1177/0021998319893423
UAK Araştırma Alanları
Polimer Bilimi ve Teknolojileri
Özet
A series of polypropylene (PP)/poly(ethylene- co-vinyl acetate) (EVA) blend nanocomposites was produced by utilizing different amounts of organophilic halloysite nanotube (Org-HNT) and EVA-based compatibilizers/tougheners. They were prepared by using either only EVA elastomer or using EVA with the compatibilizers which are maleic anhydride grafted EVA (EVA-g-MA) and poly(ethylene-vinyl acetate-carbon monoxide) (EVACO) as well as maleic anhydride grafted PP (PP-g-MA). The morphology–mechanical property relationship was investigated as a function of nature of the compatibilizer and the amount of aluminosilicate nanotube/compatibilizer. The composites prepared without using the EVA-based compatibilizers in all nanotube loading degrees (1%, 3%, 5%) exhibited nanotube aggregates as evidenced by scanning electron microscope analyses. On the other hand, EVA-g-MA and EVACO provided a good dispersion of HNTs at both PP–EVA interface and in the PP matrix. The use of compatibilizers together with 3% Org-HNT resulted in PP/EVA blend nanocomposites with higher tensile modulus and toughness when compared to PP/EVA blend. Particularly, EVACO compatibilizer having highly polar carbonyl group at its backbone provided the highest toughness and Young’s modulus as well as impact resistance for the 3% Org-HNT loaded nanocomposite while retaining the yield strength as an indication of a good balance between stiffness/toughness.
Anahtar Kelimeler
BM Sürdürülebilir Kalkınma Amaçları
Atıf Sayıları
Effects of EVA-g-MA and EVACO compatibilizers/tougheners on morphological and mechanical properties of PP/EVA/HNT blend polymer nanocomposites

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