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학술지 Hydrophilic, Transparent, and Stretchable Film using Unmodified Cellulose Fibers
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저자
오지은, 박래만
발행일
202202
출처
Materials Letters, v.309, pp.1-4
ISSN
0167-577X
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.matlet.2021.131385
협약과제
21PB7200, 고내열성을 지닌 셀룰로오스 나노섬유 분리막 기술 기반 차량 시동용 고성능 배터리 시스템 개발, 박래만
초록
As interest in wearable devices increases, much research has focused on stretchable polymers. However, most semiconductor materials used in such devices are hydrophilic and stretchable polymers are hydrophobic, which arises an adhesion problem at their interfaces. In addition, most of these polymers are not biodegradable, which creates environmental problems. In this study, in order to avoid these two problems, we used cellulose, the most abundant natural polymer on earth, as a framework, and chemically cross-linked cellulose chains with epichlorohydrin to provide elasticity to the film. As a result, this hydrophilic film stretched to 196% and was insoluble in solvents. It also had the optical transmittance of 90% in the visible region.
키워드
Cellulose film, Hydrophilic, Stretchable, Transparent
KSP 제안 키워드
Cellulose film, Chemically cross-linked, Hydrophilic film, Optical transmittance, Semiconductor materials, Visible region, Wearable device, cellulose fibers, environmental problems, natural polymer, stretchable film