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논문 기본 정보

자료유형
학술저널
저자정보
Nibras Abdul-Ameer Abou (Middle Technical University) Khawla Kareem (Ministry of Education) Ali J. Al-Sarray (Mustansiriyah University) Basma Esam Jasim (Middle Technical University) Shaimaa B. Al-baghdadi (University of Technology-Iraq) Ahmed A. Ahmed (Mustansiriyah University)
저널정보
한국고분자학회 폴리머 폴리머 제49권 제2호
발행연도
2025.3
수록면
246 - 252 (7page)
DOI
10.7317/pk.2025.49.2.246

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초록· 키워드

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This study investigates the enhancement of poly(vinyl chloride) (PVC) properties through the incorporation of zinc oxide (ZnO) nanoparticles and chitosan to improve its resistance to UV-induced photodegradation. The nanocomposites were synthesized by blending ZnO and chitosan with PVC, followed by comprehensive characterization using X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), atomic force microscopy (AFM), and Fourier transform infrared (FTIR). XRD confirmed the crystalline structure of ZnO-chitosan nanoparticles with a crystal size of 25.38 nm, while FE-SEM analysis revealed an average grain size of 76.68 nm, indicating the successful formation of nanoscale materials. AFM demonstrated a significant reduction in surface roughness and photodegradation in the nanocomposite films compared to pure PVC. FTIR analysis revealed lower photodegradation indices (IPO, ICO, IOH) in the nanocomposites across UV irradiation durations of 0, 50, 100, 150, 200, 250, and 300 h, indicating a delayed formation of carbonyl and hydroxyl groups. Weight loss and viscosity measurements further confirmed enhanced UV stability, attributed to the synergistic effect of ZnO's UV-shielding properties and chitosan's radical-scavenging capabilities. These results highlight the potential of ZnO-chitosan nanocomposites to significantly extend the service life of PVC in harsh environments.

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Abstract
Introduction
Experimental
Results and discussion
Conclusions
References

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