Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
For investigating the relationship between thermal properties and biodegradability of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), several films of PHBV containing different polyhydroxyvalerate (HV) fractions were subjected to degradation in different conditions for up to 49 days. Different...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Springer US
2016
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| Online Access: | http://hdl.handle.net/1721.1/105261 |
| _version_ | 1826203176401895424 |
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| author | Shang, Longan Fei, Qiang Zhang, Yan Hui Wang, Xian Zheng Fan, Dai-Di Chang, Ho Nam |
| author2 | Massachusetts Institute of Technology. Department of Biology |
| author_facet | Massachusetts Institute of Technology. Department of Biology Shang, Longan Fei, Qiang Zhang, Yan Hui Wang, Xian Zheng Fan, Dai-Di Chang, Ho Nam |
| author_sort | Shang, Longan |
| collection | MIT |
| description | For investigating the relationship between thermal properties and biodegradability of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), several films of PHBV containing different polyhydroxyvalerate (HV) fractions were subjected to degradation in different conditions for up to 49 days. Differential scanning calorimetry (DSC), thermogravimetry (TG), specimen weight loss and scanning electron microscopy (SEM) were performed to characterize the thermal properties and enzymatic biodegradability of PHBV. The experimental results suggest that the degradation rates of PHBV films increase with decreasing crystallinity; the degradability of PHBV occurring from the surface is very significant under enzymatic hydrolysis; the crystallinity of PHBV decreased with the increase of HV fraction in PHBV; and no decrease in molecular weight was observed in the partially-degraded polymer. |
| first_indexed | 2024-09-23T12:32:46Z |
| format | Article |
| id | mit-1721.1/105261 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T12:32:46Z |
| publishDate | 2016 |
| publisher | Springer US |
| record_format | dspace |
| spelling | mit-1721.1/1052612022-10-01T09:42:08Z Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Shang, Longan Fei, Qiang Zhang, Yan Hui Wang, Xian Zheng Fan, Dai-Di Chang, Ho Nam Massachusetts Institute of Technology. Department of Biology Fei, Qiang For investigating the relationship between thermal properties and biodegradability of poly (3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV), several films of PHBV containing different polyhydroxyvalerate (HV) fractions were subjected to degradation in different conditions for up to 49 days. Differential scanning calorimetry (DSC), thermogravimetry (TG), specimen weight loss and scanning electron microscopy (SEM) were performed to characterize the thermal properties and enzymatic biodegradability of PHBV. The experimental results suggest that the degradation rates of PHBV films increase with decreasing crystallinity; the degradability of PHBV occurring from the surface is very significant under enzymatic hydrolysis; the crystallinity of PHBV decreased with the increase of HV fraction in PHBV; and no decrease in molecular weight was observed in the partially-degraded polymer. Ningbo Natural Science Foundation (Grant 2006A610043) Science and Technology Department of Zhejiang Provincial Government (Grant 2007R10020) 2016-11-08T17:55:04Z 2016-11-08T17:55:04Z 2011-09 2016-08-18T15:43:56Z Article http://purl.org/eprint/type/JournalArticle 1566-2543 1572-8900 http://hdl.handle.net/1721.1/105261 Shang, Longan et al. “Thermal Properties and Biodegradability Studies of Poly(3-Hydroxybutyrate-Co-3-Hydroxyvalerate).” Journal of Polymers and the Environment 20.1 (2012): 23–28. en http://dx.doi.org/10.1007/s10924-011-0362-9 Journal of Polymers and the Environment Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. Springer Science+Business Media, LLC application/pdf Springer US Springer US |
| spellingShingle | Shang, Longan Fei, Qiang Zhang, Yan Hui Wang, Xian Zheng Fan, Dai-Di Chang, Ho Nam Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) |
| title | Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) |
| title_full | Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) |
| title_fullStr | Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) |
| title_full_unstemmed | Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) |
| title_short | Thermal Properties and Biodegradability Studies of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) |
| title_sort | thermal properties and biodegradability studies of poly 3 hydroxybutyrate co 3 hydroxyvalerate |
| url | http://hdl.handle.net/1721.1/105261 |
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