TY - JOUR T1 - Alkali muameleli kupula lifi katkılı yüksek yoğunluklu polietilen kompozitlerin teknolojik özellikleri TT - The technological properties of the high density polyethylene composites filled with alkali treated cupula fiber AU - Boran Torun, Sevda AU - Peşman, Emrah AU - Dönmez Çavdar, Ayfer PY - 2019 DA - April Y2 - 2019 DO - 10.17474/artvinofd.510566 JF - Artvin Çoruh Üniversitesi Orman Fakültesi Dergisi JO - AÇÜOFD PB - Artvin Çoruh University WT - DergiPark SN - 2146-1880 SP - 73 EP - 81 VL - 20 IS - 1 LA - tr AB - Bu çalışma ile kestane kupula lifi katkılı termoplastik kompozitlerin mekanik, fiziksel ve termal özellikleri belirlenmiştir. Kupula lifi belirli oranlarda (%30, %40 ve %50) ilave edilerek polietilen kompozitleri üretilmiştir. Uyumsuzluk giderici ajan olarak maleik anhidritle graft edilmiş polietilen %3 oranında katılmıştır. Kompozitlerin teknolojik özelliklerini geliştirmek amacıyla ayrıca kupula lifleri %5 sodyum hidroksit (NaOH) ile 24 saat boyunca muamele edilmiştir. Elde edilen sonuçlar incelendiğinde, alkali muameleli kupula lifi katkılı kompozitlerde muamele edilmemiş kompozitlere göre daha iyi mekanik özellikler elde edilmiştir. Alkali ile muamele edilmiş kupula lif kompozitlerin su alma ve kalınlık artışı değerleri alkali muamelesiz kompozitlere göre kıyaslandığında özellikle %50 alkali muameleli kupula lifi katkılı kompozit örneklerinde artmıştır. KW - Kupula lifi KW - alkali muamelesi KW - yüksek yoğunluklu polietilen KW - Kompozit N2 - In this study, thermoplastic composites reinforced with cupula fiber were determined their mechanical, physical and thermal properties. The polyethylene composites made with various percentages (30, 40, and 50 wt.%) of cupula fibers were produced. The polyethylene graft maleic anyhydride as a couple agent with loading (3%) of composite was used. 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