자외선/오존 조사에 의한 Poly(butylene adipate-co-terephthalate) 필름의 광산화

이덕훈; 김연우; 정진영; 유민형; 장진호

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자료유형: 학술저널

저자정보: 이덕훈 (금오공과대학교 소재디자인공학전공) 김연우 (금오공과대학교 소재디자인공학전공) 정진영 (금오공과대학교 소재디자인공학전공) 유민형 (금오공과대학교 소재디자인공학전공) 장진호 (금오공과대학교 소재디자인공학전공)

저널정보: 한국섬유공학회 한국섬유공학회지 한국섬유공학회지 제56권 제4호

발행연도: 2019.1

수록면: 193 - 197 (5page)

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연구배경

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연구결과

초록· 키워드

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Biodegradable poly(butylene adipate-co-terephthalate) (PBAT) film was modified by UV/ozone irradiation. The surface properties of the irradiated PBAT were characterized by surface roughness, contact angles, ESCA, and ATR analyses. The UV/ozone treatment uniformly roughened the film surface, where the maximum surface roughness of the unirradiated sample increased from 74 nm to 239 nm with UV energy of $15.9J/cm^2$. The modified PBAT became more hydrophilic as indicated by lower water contact angles of $10^{\circ}$ compared to the $72^{\circ}$ of the unirradiated PBAT. In addition, surface energy increased from $44.8mJ/m^2$ for the unirradiated PBAT to $50.1mJ/m^2$ with a larger UV energy of up to $15.9J/cm^2$. In addition, the improvement in hydrophilicity was caused by the introduction of polar groups containing oxygen bonds such as C-O and C=O resulting in higher O1s/C1s, which in turn resulted in a higher dyeability of the modified film to a cationic dye. The increased dyeability may have resulted from the photochemically introduced anionic and dipolar dyeing sites on the photo-oxidized PBAT surface.

#PBAT #surface modification #$UV/O_3$ irradiation #hydrophilicity #dyeability

참고문헌 (20)

참고문헌 신청

R. Shogren / 2019 / Plant-based Materials and Transitioning to a Circular Economy / Sustain. Product. Consum 19:194~215

A. Diaz / 2014 / Synthesis, Properties and Applications of Polymers Derived from Diols and Dicarboxylic Acids : from Polyesters to Polyesteramides / Int. J. Mol. Sci 15:7064~7123

R. A. Gross / 2002 / Biodegradable Polymers for the Environment / Science 297:803~807

M. T. Zumstein / 2018 / Biodegradation of Synthetic Polymers in Soils : Tracking Carbon into CO2 and Microbial Biomass / Sci. Adv 4:EAAS9024

F. Muroi / 2017 / Characterization of a Poly(butylene adipate-co-terephthalate)Hydrolase from the Aerobic Mesophilic Bacterium Bacillus pumilus / Polym. Degrad. Stabil 137:11~22

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