Processing and in vitro Degradation of Starch/EVOH Thermoplastic Blends
This paper describes the processing dependence of the mechanical properties of three blends of starch/ethylene vinyl alcohol (EVOH) with potential uses as biomaterials. These blends exhibit a distinct rheological behaviour and mechanical performance. Using shear controlled orientation in injection m...
Gespeichert in:
Veröffentlicht in: | Polymer international 1997-08, Vol.43 (4), p.347-352 |
---|---|
Hauptverfasser: | , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
container_end_page | 352 |
---|---|
container_issue | 4 |
container_start_page | 347 |
container_title | Polymer international |
container_volume | 43 |
creator | Reis, Rui L. Mendes, Sandra C. Cunha, António M. Bevis, Michael J. |
description | This paper describes the processing dependence of the mechanical properties of three blends of starch/ethylene vinyl alcohol (EVOH) with potential uses as biomaterials. These blends exhibit a distinct rheological behaviour and mechanical performance. Using shear controlled orientation in injection moulding (Scorim) it was possible to induce anisotropy into the mouldings and to simultaneously enhance stiffness and ductility. Degradation was studied in simulated physiological solutions (Hank’s balanced salt solution) with and without added bovine serum. Both the dry weight loss and the changes in mechanical properties were determined for ageing periods up to 80 days. The degradation behaviour proved to be strongly dependent on the formulation of the material studied, and on the addition of proteins. The susceptibility of the starch/EVOH blends to degradation when sterilised with ethylene oxide (EtO) was also studied, and showed that the polymers could stand one EtO sterilisation cycle. However, two consecutive cycles severely degraded the polymer structure and properties. © 1997 SCI |
doi_str_mv | 10.1002/(SICI)1097-0126(199708)43:4<347::AID-PI764>3.0.CO;2-C |
format | Article |
fullrecord | <record><control><sourceid>wiley_pasca</sourceid><recordid>TN_cdi_pascalfrancis_primary_2782097</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>PI764</sourcerecordid><originalsourceid>FETCH-LOGICAL-g2684-a5b55d068b2b8ddd93ad223e2de4a1947aa76b499b55bbaa05cd94f81e933e153</originalsourceid><addsrcrecordid>eNo90E1P3DAQBmALFalb4D_k0AMcsvgrcbwtSDTAEilikfi8jSaxd3EJycqOCvz7Zgnak6XxO680DyEnjE4Zpfz48LbIiyNGtYop4-kh01rR7EiKmfwtpJrNzorz-KZQqTwVUzrNF794nO-QyXbjG5lQneg4Y1R8Jz9C-EspzbTWEzK_8V1tQ3DtKsLWRK6N_rned9G5XXk02LuujbpldNujr5-PLx4WV9Hds_Wv3brB0Ls6-tPY1oR9srvEJtiDr3eP3F9e3OVXcbmYF_lZGa94mskYkypJDE2zileZMUYLNJwLy42VyLRUiCqtpNZDrKoQaVIbLZcZs1oIyxKxR36OvWsMNTZLj23tAqy9e0X_AVxlfLh6iD2MsTfX2I_tN6OwEYUNKGx4YMMDIyhIARIGUBg84dMTBFDIF8AhHwdDcTwWu9Db920x-hdIlVAJPF7PoSzVtebzEp7Ef0IDfu4</addsrcrecordid><sourcetype>Index Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Processing and in vitro Degradation of Starch/EVOH Thermoplastic Blends</title><source>Access via Wiley Online Library</source><creator>Reis, Rui L. ; Mendes, Sandra C. ; Cunha, António M. ; Bevis, Michael J.</creator><creatorcontrib>Reis, Rui L. ; Mendes, Sandra C. ; Cunha, António M. ; Bevis, Michael J.</creatorcontrib><description>This paper describes the processing dependence of the mechanical properties of three blends of starch/ethylene vinyl alcohol (EVOH) with potential uses as biomaterials. These blends exhibit a distinct rheological behaviour and mechanical performance. Using shear controlled orientation in injection moulding (Scorim) it was possible to induce anisotropy into the mouldings and to simultaneously enhance stiffness and ductility. Degradation was studied in simulated physiological solutions (Hank’s balanced salt solution) with and without added bovine serum. Both the dry weight loss and the changes in mechanical properties were determined for ageing periods up to 80 days. The degradation behaviour proved to be strongly dependent on the formulation of the material studied, and on the addition of proteins. The susceptibility of the starch/EVOH blends to degradation when sterilised with ethylene oxide (EtO) was also studied, and showed that the polymers could stand one EtO sterilisation cycle. However, two consecutive cycles severely degraded the polymer structure and properties. © 1997 SCI</description><identifier>ISSN: 0959-8103</identifier><identifier>EISSN: 1097-0126</identifier><identifier>DOI: 10.1002/(SICI)1097-0126(199708)43:4<347::AID-PI764>3.0.CO;2-C</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>Applied sciences ; biodegradable polymers ; biomaterials ; degradation ; Exact sciences and technology ; Mechanical properties ; Physical properties ; Polymer industry, paints, wood ; processing ; Properties and testing ; sterilisation ; Technology of polymers</subject><ispartof>Polymer international, 1997-08, Vol.43 (4), p.347-352</ispartof><rights>Copyright © 1997 SCI</rights><rights>1997 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2F%28SICI%291097-0126%28199708%2943%3A4%3C347%3A%3AAID-PI764%3E3.0.CO%3B2-C$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2F%28SICI%291097-0126%28199708%2943%3A4%3C347%3A%3AAID-PI764%3E3.0.CO%3B2-C$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>309,310,314,780,784,789,790,1417,23930,23931,25140,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2782097$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Reis, Rui L.</creatorcontrib><creatorcontrib>Mendes, Sandra C.</creatorcontrib><creatorcontrib>Cunha, António M.</creatorcontrib><creatorcontrib>Bevis, Michael J.</creatorcontrib><title>Processing and in vitro Degradation of Starch/EVOH Thermoplastic Blends</title><title>Polymer international</title><addtitle>Polym. Int</addtitle><description>This paper describes the processing dependence of the mechanical properties of three blends of starch/ethylene vinyl alcohol (EVOH) with potential uses as biomaterials. These blends exhibit a distinct rheological behaviour and mechanical performance. Using shear controlled orientation in injection moulding (Scorim) it was possible to induce anisotropy into the mouldings and to simultaneously enhance stiffness and ductility. Degradation was studied in simulated physiological solutions (Hank’s balanced salt solution) with and without added bovine serum. Both the dry weight loss and the changes in mechanical properties were determined for ageing periods up to 80 days. The degradation behaviour proved to be strongly dependent on the formulation of the material studied, and on the addition of proteins. The susceptibility of the starch/EVOH blends to degradation when sterilised with ethylene oxide (EtO) was also studied, and showed that the polymers could stand one EtO sterilisation cycle. However, two consecutive cycles severely degraded the polymer structure and properties. © 1997 SCI</description><subject>Applied sciences</subject><subject>biodegradable polymers</subject><subject>biomaterials</subject><subject>degradation</subject><subject>Exact sciences and technology</subject><subject>Mechanical properties</subject><subject>Physical properties</subject><subject>Polymer industry, paints, wood</subject><subject>processing</subject><subject>Properties and testing</subject><subject>sterilisation</subject><subject>Technology of polymers</subject><issn>0959-8103</issn><issn>1097-0126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1997</creationdate><recordtype>article</recordtype><recordid>eNo90E1P3DAQBmALFalb4D_k0AMcsvgrcbwtSDTAEilikfi8jSaxd3EJycqOCvz7Zgnak6XxO680DyEnjE4Zpfz48LbIiyNGtYop4-kh01rR7EiKmfwtpJrNzorz-KZQqTwVUzrNF794nO-QyXbjG5lQneg4Y1R8Jz9C-EspzbTWEzK_8V1tQ3DtKsLWRK6N_rned9G5XXk02LuujbpldNujr5-PLx4WV9Hds_Wv3brB0Ls6-tPY1oR9srvEJtiDr3eP3F9e3OVXcbmYF_lZGa94mskYkypJDE2zileZMUYLNJwLy42VyLRUiCqtpNZDrKoQaVIbLZcZs1oIyxKxR36OvWsMNTZLj23tAqy9e0X_AVxlfLh6iD2MsTfX2I_tN6OwEYUNKGx4YMMDIyhIARIGUBg84dMTBFDIF8AhHwdDcTwWu9Db920x-hdIlVAJPF7PoSzVtebzEp7Ef0IDfu4</recordid><startdate>199708</startdate><enddate>199708</enddate><creator>Reis, Rui L.</creator><creator>Mendes, Sandra C.</creator><creator>Cunha, António M.</creator><creator>Bevis, Michael J.</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope></search><sort><creationdate>199708</creationdate><title>Processing and in vitro Degradation of Starch/EVOH Thermoplastic Blends</title><author>Reis, Rui L. ; Mendes, Sandra C. ; Cunha, António M. ; Bevis, Michael J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g2684-a5b55d068b2b8ddd93ad223e2de4a1947aa76b499b55bbaa05cd94f81e933e153</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1997</creationdate><topic>Applied sciences</topic><topic>biodegradable polymers</topic><topic>biomaterials</topic><topic>degradation</topic><topic>Exact sciences and technology</topic><topic>Mechanical properties</topic><topic>Physical properties</topic><topic>Polymer industry, paints, wood</topic><topic>processing</topic><topic>Properties and testing</topic><topic>sterilisation</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Reis, Rui L.</creatorcontrib><creatorcontrib>Mendes, Sandra C.</creatorcontrib><creatorcontrib>Cunha, António M.</creatorcontrib><creatorcontrib>Bevis, Michael J.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><jtitle>Polymer international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Reis, Rui L.</au><au>Mendes, Sandra C.</au><au>Cunha, António M.</au><au>Bevis, Michael J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Processing and in vitro Degradation of Starch/EVOH Thermoplastic Blends</atitle><jtitle>Polymer international</jtitle><addtitle>Polym. Int</addtitle><date>1997-08</date><risdate>1997</risdate><volume>43</volume><issue>4</issue><spage>347</spage><epage>352</epage><pages>347-352</pages><issn>0959-8103</issn><eissn>1097-0126</eissn><abstract>This paper describes the processing dependence of the mechanical properties of three blends of starch/ethylene vinyl alcohol (EVOH) with potential uses as biomaterials. These blends exhibit a distinct rheological behaviour and mechanical performance. Using shear controlled orientation in injection moulding (Scorim) it was possible to induce anisotropy into the mouldings and to simultaneously enhance stiffness and ductility. Degradation was studied in simulated physiological solutions (Hank’s balanced salt solution) with and without added bovine serum. Both the dry weight loss and the changes in mechanical properties were determined for ageing periods up to 80 days. The degradation behaviour proved to be strongly dependent on the formulation of the material studied, and on the addition of proteins. The susceptibility of the starch/EVOH blends to degradation when sterilised with ethylene oxide (EtO) was also studied, and showed that the polymers could stand one EtO sterilisation cycle. However, two consecutive cycles severely degraded the polymer structure and properties. © 1997 SCI</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/(SICI)1097-0126(199708)43:4<347::AID-PI764>3.0.CO;2-C</doi><tpages>6</tpages></addata></record> |
fulltext | fulltext |
identifier | ISSN: 0959-8103 |
ispartof | Polymer international, 1997-08, Vol.43 (4), p.347-352 |
issn | 0959-8103 1097-0126 |
language | eng |
recordid | cdi_pascalfrancis_primary_2782097 |
source | Access via Wiley Online Library |
subjects | Applied sciences biodegradable polymers biomaterials degradation Exact sciences and technology Mechanical properties Physical properties Polymer industry, paints, wood processing Properties and testing sterilisation Technology of polymers |
title | Processing and in vitro Degradation of Starch/EVOH Thermoplastic Blends |
url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-23T05%3A35%3A47IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-wiley_pasca&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Processing%20and%20in%20vitro%20Degradation%20of%20Starch/EVOH%20Thermoplastic%20Blends&rft.jtitle=Polymer%20international&rft.au=Reis,%20Rui%20L.&rft.date=1997-08&rft.volume=43&rft.issue=4&rft.spage=347&rft.epage=352&rft.pages=347-352&rft.issn=0959-8103&rft.eissn=1097-0126&rft_id=info:doi/10.1002/(SICI)1097-0126(199708)43:4%3C347::AID-PI764%3E3.0.CO;2-C&rft_dat=%3Cwiley_pasca%3EPI764%3C/wiley_pasca%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |