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The effect of surface roughness on biodegradability of poly (3-hydroxybutyrate) was investigated. The PHB film prepared by cooling the molten polymer slowly (-0.5℃/min) had higher crystallinity and melting temperature than that prepared by quenching...
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Poly ( 3 - hydroxybutyrate ) 표면 형태가 생분해에 미치는 영향 = Effect of Surface Roughness on Biodegradability of Poly ( 3 - hydroxybutyrate )
한글로보기https://www.riss.kr/link?id=A19705868
- 저자
- 발행기관
- 학술지명
- 권호사항
-
발행연도
1999
-
작성언어
-
-
KDC
400
-
등재정보
KCI등재
-
자료형태
학술저널
- 발행기관 URL
-
수록면
249-255(7쪽)
- 제공처
- 소장기관
-
0
상세조회 -
0
다운로드
부가정보
다국어 초록 (Multilingual Abstract)
The effect of surface roughness on biodegradability of poly (3-hydroxybutyrate) was investigated. The PHB film prepared by cooling the molten polymer slowly (-0.5℃/min) had higher crystallinity and melting temperature than that prepared by quenching into liquid nitrogen followed by annealing at 90℃ for 2 hours. However, the former sample was found to degrade faster than the latter due to presence of microscopic crack. Roughening the surface of a PHB film by hot pressing under a coarse surfaced plate accelerated the bioerosion considerably of the sample in comparison with the sample having the same thermal history but smooth surface. [Poly (3-hydroxybutyrate), biodegradability, surface roughness, the modified Sturm test].
The effect of surface roughness on biodegradability of poly (3-hydroxybutyrate) was investigated. The PHB film prepared by cooling the molten polymer slowly (-0.5℃/min) had higher crystallinity and melting temperature than that prepared by quenching into liquid nitrogen followed by annealing at 90℃ for 2 hours. However, the former sample was found to degrade faster than the latter due to presence of microscopic crack. Roughening the surface of a PHB film by hot pressing under a coarse surfaced plate accelerated the bioerosion considerably of the sample in comparison with the sample having the same thermal history but smooth surface. [Poly (3-hydroxybutyrate), biodegradability, surface roughness, the modified Sturm test].
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