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Journals / Tekstil ve Mühendis / 2018 / Cilt: 25 - Sayı: 109

PRODUCTION AND ANALYSIS OF THERMO-WATER RESPONSIVE POLYURETHANE NANOCOMPOSITES CONTAINING CELLULOSE NANOCRYSTALLITE (NANOWHISKER)

SELÜLOZ NANOKRİSTALİT(NANOWHISKER) İÇEREN SICAKLIK-SU DUYARLI POLİÜRETAN NANOKOMPOZİT FİLMLERİN ÜRETİMİ VE KARAKTERİZASYONU

NAZİFE KORKMAZ MEMİŞ
SİBEL KAPLAN
Pages
9–21
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

According to the results, it was found that mechanical properties of the films improved as expected.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:In this study, smart nanocomposite films possessing both thermal and water/moisture responsiveness were produced with addition of cellulose nanocrystallite (nanowhisker) (5, 10 and 20 wt%) as nanofiller material.
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Key Findings & Data:The water/moisture responsiveness was obtained by this modification which is easier than chemical synthesis of the polymer and dual sensitivity of the produced nanocomposite films were examined in detail by thermo-mechanical-aqueous shape memory test procedures.
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Conclusion & Impact:According to the results, it was found that mechanical properties of the films improved as expected.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

In this study, smart nanocomposite films possessing both thermal and water/moisture responsiveness were produced with addition of cellulose nanocrystallite (nanowhisker) (5, 10 and 20 wt%) as nanofiller material. The water/moisture responsiveness was obtained by this modification which is easier than chemical synthesis of the polymer and dual sensitivity of the produced nanocomposite films were examined in detail by thermo-mechanical-aqueous shape memory test procedures. Additionally, particle distribution and matrix-nanofiller interactions of the produced films were investigated by SEM, FT-IR and XRD analyzes. According to the results, it was found that mechanical properties of the films improved as expected. Moreover, besides thermal sensitivity, water/moisture sensitivity increased proportional to the cellulose nanocrystallite (nanowhisker) concentration.

Özet

Bu çalışmada, yaygın olarak kullanılan şekil hafızalı polimerlerden poliüretana eklenen selüloz nanokristalit (nanowhisker) dolgu maddesi (%5, 10, 20) ile sıcaklığın yanı sıra su/neme duyarlı akıllı nanokompozit filmler üretilmiştir. Kimyasal senteze göre daha ucuz ve kolay olan bu modifikasyonla elde edilen ikinci (su/nem) duyarlılık, termal-mekanik-sulu şekil hafıza test prosedürleri ile ayrıntılı olarak incelenmiştir. Ayrıca, üretilen nanokompozit filmlerde partikül dağılımı ve matris-nanodolgu etkileşimleri SEM, FT-IR ve XRD analizleriyle belirlenmiştir. Elde edilen sonuçlara göre, beklendiği gibi nanodolgu malzemesinin yapının mekanik özelliklerinde iyileşmenin yanı sıra sıcaklık duyarlılığa ek olarak selüloz nanokristalit (nanowhisker) konsantrasyonuyla doğru orantılı artan su/nem duyarlılığını da oluşturduğu tespit edilmiştir.

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Cite This Article

MEMİŞ, N. K., KAPLAN, S. (2018). PRODUCTION AND ANALYSIS OF THERMO-WATER RESPONSIVE POLYURETHANE NANOCOMPOSITES CONTAINING CELLULOSE NANOCRYSTALLITE (NANOWHISKER). Tekstil ve Mühendis, Cilt: 25 - Sayı: 109, 9–21. https://ajindex.com/articles/366045

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