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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국고분자학회 폴리머 폴리머 제50권 제3호
- 발행연도
- 2026.5
- 수록면
- 423 - 430 (8page)
- DOI
- 10.7317/pk.2026.50.3.423
이용수
초록· 키워드
In this study, an antibacterial polymer was successfully synthesized by copolymerization using poly(vinyl chloride) (PVC) and 2,2’,6,6’-tetra-tert-butyl-4,4’-dihydroxybiphenyl (BP-264). Covalent incorporation was supported by Fourier transform infrared spectroscopy (FTIR), UV–Vis spectroscopy (appearance of a BP-264 absorption band near 295 nm in PVC–BP-264), and <sup>1</sup>H/<sup>13</sup>C nuclear magnetic resonance (NMR) spectra with corrected chemical-shift assignments for tert-butyl, aromatic, and phenolic signals. GPC showed a modest change in molecular-weight distribution after modification (M<sub>n</sub> 4.60×10⁴ g mol<sup>-1</sup>, M<sub>w</sub> 9.40×10⁴ g mol<sup>-1</sup>). Mechanical testing demonstrated improved ductility while maintaining strength: PVC–BP-264 reached a tensile strength of about 19 MPa and elongation at break of about 270%, accompanied by a slight decrease in modulus to about 1.9 GPa. Preliminary antibacterial screening by agar disk diffusion against Escherichia coli and Staphylococcus aureus revealed clear growth-inhibition zones for PVC–BP-264 compared with PVC. Overall, this study provides a chemistry-driven route to antibacterial PVC with a favorable balance of mechanical performance.
#poly(vinyl chloride)
#2,2’,6,6’-tetra-tert-butyl-4,4’-dihydroxybiphenyl
#antibacterial polymer
#phenolic modification
#thermal stability
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목차
- Abstract
- Introduction
- Experimental
- Results and Discussion
- References
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