The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical Properties
A series of novel amphiphilic block polyurethanes (PUHE) have been successfully synthesized by solution polymerization of the derived PHB-diol and poly(ethylene glycol) with a coupling agent of 1,6-hexamethylene diisocyanate (HDI), while the PHB-diol was prepared via the transesterification of PHB a...
Saved in:
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2016-01-01
|
| Series: | Journal of Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2016/9635165 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850221318266421248 |
|---|---|
| author | Dan Xue Xiaodong Fan Zengping Zhang Wei Lv |
| author_facet | Dan Xue Xiaodong Fan Zengping Zhang Wei Lv |
| author_sort | Dan Xue |
| collection | DOAJ |
| description | A series of novel amphiphilic block polyurethanes (PUHE) have been successfully synthesized by solution polymerization of the derived PHB-diol and poly(ethylene glycol) with a coupling agent of 1,6-hexamethylene diisocyanate (HDI), while the PHB-diol was prepared via the transesterification of PHB and ethylene glycol. The hydroxyl contents in PHB-diols range from 1.36 to 1.99 (the molar ratio) as determined by nonaqueous titration. The molecular weight and chemical compositions of PUHE and PHB-diol were investigated by GPC, 1H NMR, and FTIR in detail, which confirm the successful synthesis of PUHE. The tensile strength and elongation at break of PUHE could reach as high as 20 MPa and 210%, as the content of PHB in PUHE is 33%. TGA curves indicate that block-bonding between PHB-diol and PEG increases the thermal stability of PHB-diol. Film degradation of PUHE was studied by weight loss and scanning electron microscope (SEM). It could be concluded that degradation occurred gradually from the surface to the inside and that the degradation rate could be controlled by adjusting the PHB/PEG ratios. These properties make PUHE able to be used as a biodegradable thermoplastic elastomer. |
| format | Article |
| id | doaj-art-6cb2ab57aa464402afd2c6de167beea6 |
| institution | OA Journals |
| issn | 2090-9063 2090-9071 |
| language | English |
| publishDate | 2016-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Chemistry |
| spelling | doaj-art-6cb2ab57aa464402afd2c6de167beea62025-08-20T02:06:44ZengWileyJournal of Chemistry2090-90632090-90712016-01-01201610.1155/2016/96351659635165The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical PropertiesDan Xue0Xiaodong Fan1Zengping Zhang2Wei Lv3School of Science, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, ChinaSchool of Science, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, ChinaKey Laboratory for Special Area Highway Engineering of Ministry of Education, Chang’an University, Xi’an, Shaanxi 710064, ChinaOil and Gas Technology Research Institute, Changqing Oilfield Company, Xi’an, Shaanxi 710018, ChinaA series of novel amphiphilic block polyurethanes (PUHE) have been successfully synthesized by solution polymerization of the derived PHB-diol and poly(ethylene glycol) with a coupling agent of 1,6-hexamethylene diisocyanate (HDI), while the PHB-diol was prepared via the transesterification of PHB and ethylene glycol. The hydroxyl contents in PHB-diols range from 1.36 to 1.99 (the molar ratio) as determined by nonaqueous titration. The molecular weight and chemical compositions of PUHE and PHB-diol were investigated by GPC, 1H NMR, and FTIR in detail, which confirm the successful synthesis of PUHE. The tensile strength and elongation at break of PUHE could reach as high as 20 MPa and 210%, as the content of PHB in PUHE is 33%. TGA curves indicate that block-bonding between PHB-diol and PEG increases the thermal stability of PHB-diol. Film degradation of PUHE was studied by weight loss and scanning electron microscope (SEM). It could be concluded that degradation occurred gradually from the surface to the inside and that the degradation rate could be controlled by adjusting the PHB/PEG ratios. These properties make PUHE able to be used as a biodegradable thermoplastic elastomer.http://dx.doi.org/10.1155/2016/9635165 |
| spellingShingle | Dan Xue Xiaodong Fan Zengping Zhang Wei Lv The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical Properties Journal of Chemistry |
| title | The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical Properties |
| title_full | The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical Properties |
| title_fullStr | The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical Properties |
| title_full_unstemmed | The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical Properties |
| title_short | The Synthesis of Hydroxybutyrate-Based Block Polyurethane from Telechelic Diols with Robust Thermal and Mechanical Properties |
| title_sort | synthesis of hydroxybutyrate based block polyurethane from telechelic diols with robust thermal and mechanical properties |
| url | http://dx.doi.org/10.1155/2016/9635165 |
| work_keys_str_mv | AT danxue thesynthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties AT xiaodongfan thesynthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties AT zengpingzhang thesynthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties AT weilv thesynthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties AT danxue synthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties AT xiaodongfan synthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties AT zengpingzhang synthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties AT weilv synthesisofhydroxybutyratebasedblockpolyurethanefromtelechelicdiolswithrobustthermalandmechanicalproperties |