Studies on the physical properties of modified starch-filled HDPE film

Studies on the physical properties of modified starch-filled HDPE film

To improve the physical properties of starch‐filled polyolefin, starch was modified into more hydrophobic material by the introduction of cholesterol unit, and the different starch‐compositioned high‐density polyethlene (HDPE) films were prepared with addition of either native starch or modified sta...

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Veröffentlicht in:Journal of applied polymer science 1996-06, Vol.60 (11), p.1977-1984
Hauptverfasser: Kang, Bong Gyu, Yoon, Sung Hwa, Lee, Suck Hyun, Yie, Jae Eue, Yoon, Byung Seon, Suh, Moon Ho
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Sprache:eng
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Applied sciences
Exact sciences and technology
Natural polymers
Physicochemistry of polymers
Starch and polysaccharides
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container_end_page 1984
container_issue 11
container_start_page 1977
container_title Journal of applied polymer science
container_volume 60
creator Kang, Bong Gyu
Yoon, Sung Hwa
Lee, Suck Hyun
Yie, Jae Eue
Yoon, Byung Seon
Suh, Moon Ho
description To improve the physical properties of starch‐filled polyolefin, starch was modified into more hydrophobic material by the introduction of cholesterol unit, and the different starch‐compositioned high‐density polyethlene (HDPE) films were prepared with addition of either native starch or modified starch to compare their physical properties. The addition of either native starch or modified starch resulted in decreased crystallinities in all the different composite films containing starch. Interestingly, HDPE‐blown films containing more than 10% native starch (HDPE/ST) showed a steeper decrease in crystallinity than correspondent HDPE containing the modified starch (HDPE/MS). Improvement of the dispersion and adhesion in HDPE/MS and HDPE/ST were also observed; but at high starch content, the HDPE/MS films showed higher tensile strength and elongation than the HDPE/ST. The degradation of HDPE/MS films in active sludge condition was much faster than that of the HDPE/ST films, although the degradation rate of HDPE/MS films in α‐amylase condition were slower than the one of HDPE/ST films. © 1996 John Wiley & Sons, Inc.
doi_str_mv 10.1002/(SICI)1097-4628(19960613)60:11<1977::AID-APP22>3.0.CO;2-X
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source Wiley Online Library Journals Frontfile Complete
subjects Applied sciences
Exact sciences and technology
Natural polymers
Physicochemistry of polymers
Starch and polysaccharides
title Studies on the physical properties of modified starch-filled HDPE film
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