Synthesis, characterization and biodegradation of biodegradable-cum-photoactive liquid-crystalline copolyesters derived from ferulic acid
Novel biodegradable-cum-photoactive liquid-crystalline copolyester was prepared by melt polycondensation of ferulic acid (FA), 4-hydroxybenzoic acid (HBA) and d,l-lactic acid (LA) in the presence of acetic anhydride and a transesterification catalyst. The chemical structures and properties of the sy...
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| Veröffentlicht in: | Polymer (Guilford) 2007-09, Vol.48 (19), p.5541-5547 |
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| creator | Du, Jie Fang, Yuanyuan Zheng, Yubin |
| description | Novel biodegradable-cum-photoactive liquid-crystalline copolyester was prepared by melt polycondensation of ferulic acid (FA), 4-hydroxybenzoic acid (HBA) and d,l-lactic acid (LA) in the presence of acetic anhydride and a transesterification catalyst. The chemical structures and properties of the synthesized copolyesters were characterized by means of viscosity measurements, Fourier transform infrared spectroscopy (FT-IR), proton nuclear magnetic resonance spectroscopy (1H NMR), differential scanning calorimetry (DSC), thermogravimetry (TGA), polarizing light microscopy (PLM) and ultraviolet spectroscopy (UV). It was found that modestly increasing LA content and adjusting feed ratios could enhance the solubility and biodegradability of the copolyesters, still retaining the liquid crystallinity. The obtained copolyester could degrade in phosphate buffer solution (pH 7.2) with enzyme proteinase K, and could crosslink by UV-irradiation at ambient temperature. |
| doi_str_mv | 10.1016/j.polymer.2007.07.040 |
| format | Article |
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The chemical structures and properties of the synthesized copolyesters were characterized by means of viscosity measurements, Fourier transform infrared spectroscopy (FT-IR), proton nuclear magnetic resonance spectroscopy (1H NMR), differential scanning calorimetry (DSC), thermogravimetry (TGA), polarizing light microscopy (PLM) and ultraviolet spectroscopy (UV). It was found that modestly increasing LA content and adjusting feed ratios could enhance the solubility and biodegradability of the copolyesters, still retaining the liquid crystallinity. The obtained copolyester could degrade in phosphate buffer solution (pH 7.2) with enzyme proteinase K, and could crosslink by UV-irradiation at ambient temperature.</description><identifier>ISSN: 0032-3861</identifier><identifier>EISSN: 1873-2291</identifier><identifier>DOI: 10.1016/j.polymer.2007.07.040</identifier><identifier>CODEN: POLMAG</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Biopolymers ; Exact sciences and technology ; Liquid-crystalline polymers (LCP) ; Organic polymers ; Photochemistry ; Physicochemistry of polymers ; Polymers with particular properties ; Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><ispartof>Polymer (Guilford), 2007-09, Vol.48 (19), p.5541-5547</ispartof><rights>2007 Elsevier Ltd</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c467t-3c753b5463f85ba309c31b5cc9724bcb494e4d937412d4bf2b572a159a12b76b3</citedby><cites>FETCH-LOGICAL-c467t-3c753b5463f85ba309c31b5cc9724bcb494e4d937412d4bf2b572a159a12b76b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0032386107007252$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19050402$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Du, Jie</creatorcontrib><creatorcontrib>Fang, Yuanyuan</creatorcontrib><creatorcontrib>Zheng, Yubin</creatorcontrib><title>Synthesis, characterization and biodegradation of biodegradable-cum-photoactive liquid-crystalline copolyesters derived from ferulic acid</title><title>Polymer (Guilford)</title><description>Novel biodegradable-cum-photoactive liquid-crystalline copolyester was prepared by melt polycondensation of ferulic acid (FA), 4-hydroxybenzoic acid (HBA) and d,l-lactic acid (LA) in the presence of acetic anhydride and a transesterification catalyst. The chemical structures and properties of the synthesized copolyesters were characterized by means of viscosity measurements, Fourier transform infrared spectroscopy (FT-IR), proton nuclear magnetic resonance spectroscopy (1H NMR), differential scanning calorimetry (DSC), thermogravimetry (TGA), polarizing light microscopy (PLM) and ultraviolet spectroscopy (UV). It was found that modestly increasing LA content and adjusting feed ratios could enhance the solubility and biodegradability of the copolyesters, still retaining the liquid crystallinity. The obtained copolyester could degrade in phosphate buffer solution (pH 7.2) with enzyme proteinase K, and could crosslink by UV-irradiation at ambient temperature.</description><subject>Applied sciences</subject><subject>Biopolymers</subject><subject>Exact sciences and technology</subject><subject>Liquid-crystalline polymers (LCP)</subject><subject>Organic polymers</subject><subject>Photochemistry</subject><subject>Physicochemistry of polymers</subject><subject>Polymers with particular properties</subject><subject>Preparation, kinetics, thermodynamics, mechanism and catalysts</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqFUU2L2zAUFKWFpml_QkGX9lRn9WU7PpWybHcXFvaw7VlIT8-NgmxlJTuQ_oP-68ok0N4WHjx4zMwbZgj5yNmGM95c7TeHGE4Dpo1grN0so9grsuLbVlZCdPw1WTEmRSW3DX9L3uW8Z4yJWqgV-fN0GqcdZp-_UNiZZGDC5H-byceRmtFR66PDX8m48yn2_11swArmoTrs4hQL0x-RBv88e1dBOuXJhOBHpBAXf5iLcqauyB_R0T7FgfaY5uCBGvDuPXnTm5Dxw2Wvyc_vNz-u76qHx9v7628PFaimnSoJbS1trRrZb2trJOtAclsDdK1QFqzqFCrXyVZx4ZTtha1bYXjdGS5s21i5Jp_PuocUn-fiSg8-A4ZgRoxz1pJx0ZRwXgTyTrVSFTdrUp-BkGLOCXt9SH4w6aQ500tDeq8vDemlIb2MYoX36fLAZDChT2YEn_-RO1YX2GLk6xmHJZajLyoZPI6AzieESbvoX_j0FxXdrYI</recordid><startdate>20070910</startdate><enddate>20070910</enddate><creator>Du, Jie</creator><creator>Fang, Yuanyuan</creator><creator>Zheng, Yubin</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>7SR</scope><scope>F28</scope><scope>JG9</scope></search><sort><creationdate>20070910</creationdate><title>Synthesis, characterization and biodegradation of biodegradable-cum-photoactive liquid-crystalline copolyesters derived from ferulic acid</title><author>Du, Jie ; Fang, Yuanyuan ; Zheng, Yubin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c467t-3c753b5463f85ba309c31b5cc9724bcb494e4d937412d4bf2b572a159a12b76b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Biopolymers</topic><topic>Exact sciences and technology</topic><topic>Liquid-crystalline polymers (LCP)</topic><topic>Organic polymers</topic><topic>Photochemistry</topic><topic>Physicochemistry of polymers</topic><topic>Polymers with particular properties</topic><topic>Preparation, kinetics, thermodynamics, mechanism and catalysts</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Jie</creatorcontrib><creatorcontrib>Fang, Yuanyuan</creatorcontrib><creatorcontrib>Zheng, Yubin</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Materials Research Database</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Du, Jie</au><au>Fang, Yuanyuan</au><au>Zheng, Yubin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis, characterization and biodegradation of biodegradable-cum-photoactive liquid-crystalline copolyesters derived from ferulic acid</atitle><jtitle>Polymer (Guilford)</jtitle><date>2007-09-10</date><risdate>2007</risdate><volume>48</volume><issue>19</issue><spage>5541</spage><epage>5547</epage><pages>5541-5547</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>Novel biodegradable-cum-photoactive liquid-crystalline copolyester was prepared by melt polycondensation of ferulic acid (FA), 4-hydroxybenzoic acid (HBA) and d,l-lactic acid (LA) in the presence of acetic anhydride and a transesterification catalyst. The chemical structures and properties of the synthesized copolyesters were characterized by means of viscosity measurements, Fourier transform infrared spectroscopy (FT-IR), proton nuclear magnetic resonance spectroscopy (1H NMR), differential scanning calorimetry (DSC), thermogravimetry (TGA), polarizing light microscopy (PLM) and ultraviolet spectroscopy (UV). It was found that modestly increasing LA content and adjusting feed ratios could enhance the solubility and biodegradability of the copolyesters, still retaining the liquid crystallinity. The obtained copolyester could degrade in phosphate buffer solution (pH 7.2) with enzyme proteinase K, and could crosslink by UV-irradiation at ambient temperature.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.polymer.2007.07.040</doi><tpages>7</tpages></addata></record> |
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| ispartof | Polymer (Guilford), 2007-09, Vol.48 (19), p.5541-5547 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Biopolymers Exact sciences and technology Liquid-crystalline polymers (LCP) Organic polymers Photochemistry Physicochemistry of polymers Polymers with particular properties Preparation, kinetics, thermodynamics, mechanism and catalysts |
| title | Synthesis, characterization and biodegradation of biodegradable-cum-photoactive liquid-crystalline copolyesters derived from ferulic acid |
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