Demonstrating the mechanism and efficacy of water-induced shape memory and the influence of water on the thermal properties of oriented poly(d,l-lactide)
ABSTRACT Achieving water‐induced shape‐memory property in poly(D,L‐lactide) (PDLLA), generated by means of advanced processing methods, opens possibilities to develop novel bioresorbable medical devices with shape‐memory properties activated by the human body without external heat. The main phenomen...
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| Veröffentlicht in: | Journal of applied polymer science 2013-12, Vol.130 (6), p.4209-4218 |
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| creator | Paakinaho, Kaarlo Hukka, Terttu Inkeri Kastinen, Tuuva Kellomäki, Minna |
| description | ABSTRACT
Achieving water‐induced shape‐memory property in poly(D,L‐lactide) (PDLLA), generated by means of advanced processing methods, opens possibilities to develop novel bioresorbable medical devices with shape‐memory properties activated by the human body without external heat. The main phenomena that affect the molecular movements that enable the water‐induced shape‐memory effect in an oriented PDLLA in an aqueous environment at physiological temperature are related to the water driven disruption of the intermolecular dipole‐dipole and/or hydrogen bonding of the oriented PDLLA chains and the subsequent decrease of the glass transition temperature (Tg) to the range of physiological temperature. The diffused water in the polymer matrix decreased the energy needed to finish the glass transition process explaining the higher shape‐recovery rate of the γ‐irradiated PDLLA with respect to the non‐γ‐irradiated PDLLA in an aqueous environment at physiological temperatures. The water‐induced decrease in the Tg was thermally reversible. The efficacy of the generated shape‐memory was tested with PDLLA shape‐memory nails in a pullout test, in which the pullout force of the PDLLA nails increased 360% during a seven day test period in vitro at 37°C. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4209–4218, 2013 |
| doi_str_mv | 10.1002/app.39513 |
| format | Article |
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Achieving water‐induced shape‐memory property in poly(D,L‐lactide) (PDLLA), generated by means of advanced processing methods, opens possibilities to develop novel bioresorbable medical devices with shape‐memory properties activated by the human body without external heat. The main phenomena that affect the molecular movements that enable the water‐induced shape‐memory effect in an oriented PDLLA in an aqueous environment at physiological temperature are related to the water driven disruption of the intermolecular dipole‐dipole and/or hydrogen bonding of the oriented PDLLA chains and the subsequent decrease of the glass transition temperature (Tg) to the range of physiological temperature. The diffused water in the polymer matrix decreased the energy needed to finish the glass transition process explaining the higher shape‐recovery rate of the γ‐irradiated PDLLA with respect to the non‐γ‐irradiated PDLLA in an aqueous environment at physiological temperatures. The water‐induced decrease in the Tg was thermally reversible. The efficacy of the generated shape‐memory was tested with PDLLA shape‐memory nails in a pullout test, in which the pullout force of the PDLLA nails increased 360% during a seven day test period in vitro at 37°C. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4209–4218, 2013</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.39513</identifier><identifier>CODEN: JAPNAB</identifier><language>eng</language><publisher>Hoboken, NJ: Blackwell Publishing Ltd</publisher><subject>Applied sciences ; Aqueous environments ; biodegradable ; Biological and medical sciences ; biomedical applications ; Diffusion rate ; Effectiveness ; Exact sciences and technology ; Finishes ; Forms of application and semi-finished materials ; Materials science ; Medical sciences ; Miscellaneous ; Nails ; Polymer industry, paints, wood ; Polymers ; Reproduction ; Shape memory ; stimuli-sensitive polymers ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Technology of polymers ; Technology. Biomaterials. Equipments ; Thermal properties</subject><ispartof>Journal of applied polymer science, 2013-12, Vol.130 (6), p.4209-4218</ispartof><rights>Copyright © 2013 Wiley Periodicals, Inc.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3983-658615c387f5b3081b8c656c052ffe730edd5de526bfed27d551a50e8e91eaf23</citedby><cites>FETCH-LOGICAL-c3983-658615c387f5b3081b8c656c052ffe730edd5de526bfed27d551a50e8e91eaf23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.39513$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.39513$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27761871$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Paakinaho, Kaarlo</creatorcontrib><creatorcontrib>Hukka, Terttu Inkeri</creatorcontrib><creatorcontrib>Kastinen, Tuuva</creatorcontrib><creatorcontrib>Kellomäki, Minna</creatorcontrib><title>Demonstrating the mechanism and efficacy of water-induced shape memory and the influence of water on the thermal properties of oriented poly(d,l-lactide)</title><title>Journal of applied polymer science</title><addtitle>J. Appl. Polym. Sci</addtitle><description>ABSTRACT
Achieving water‐induced shape‐memory property in poly(D,L‐lactide) (PDLLA), generated by means of advanced processing methods, opens possibilities to develop novel bioresorbable medical devices with shape‐memory properties activated by the human body without external heat. The main phenomena that affect the molecular movements that enable the water‐induced shape‐memory effect in an oriented PDLLA in an aqueous environment at physiological temperature are related to the water driven disruption of the intermolecular dipole‐dipole and/or hydrogen bonding of the oriented PDLLA chains and the subsequent decrease of the glass transition temperature (Tg) to the range of physiological temperature. The diffused water in the polymer matrix decreased the energy needed to finish the glass transition process explaining the higher shape‐recovery rate of the γ‐irradiated PDLLA with respect to the non‐γ‐irradiated PDLLA in an aqueous environment at physiological temperatures. The water‐induced decrease in the Tg was thermally reversible. The efficacy of the generated shape‐memory was tested with PDLLA shape‐memory nails in a pullout test, in which the pullout force of the PDLLA nails increased 360% during a seven day test period in vitro at 37°C. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4209–4218, 2013</description><subject>Applied sciences</subject><subject>Aqueous environments</subject><subject>biodegradable</subject><subject>Biological and medical sciences</subject><subject>biomedical applications</subject><subject>Diffusion rate</subject><subject>Effectiveness</subject><subject>Exact sciences and technology</subject><subject>Finishes</subject><subject>Forms of application and semi-finished materials</subject><subject>Materials science</subject><subject>Medical sciences</subject><subject>Miscellaneous</subject><subject>Nails</subject><subject>Polymer industry, paints, wood</subject><subject>Polymers</subject><subject>Reproduction</subject><subject>Shape memory</subject><subject>stimuli-sensitive polymers</subject><subject>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</subject><subject>Technology of polymers</subject><subject>Technology. Biomaterials. Equipments</subject><subject>Thermal properties</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp10d9qFDEUBvBBLLi2vfANBkRowWmTyWSSuSxVt0q1FfwD3oRscuKmZpIxmaHOo_i2ZnfrXghehFyc3_dx4BTFM4zOMEL1uRyGM9JRTB4VC4w6VjVtzR8XizzDFe86-qR4mtIdQhhT1C6K36-gDz6NUY7Wfy_HNZQ9qLX0NvWl9LoEY6ySai6DKe_lCLGyXk8KdJnWctjoPsR5Szdh642bwCvY-zL47SS_2EtXDjEMEEcLaUNCtODH3DYEN5_ol65yUo1Ww-lRcWCkS3D88B8Wn9-8_nR5VV3fLN9eXlxXinScVC3lLaaKcGboiiCOV1y1tFWI1sYAIwi0phpo3a4M6JppSrGkCDh0GKSpyWFxsuvNi_2cII2it0mBc9JDmJLATcNZw1HdZPr8H3oXpujzdlkRhjtEui6r051SMaQUwYgh2l7GWWAkNkcS-Uhie6RsXzw0yqSkM1F6ZdM-UDPWYs5wduc7d28dzP8vFBe3t3-bq13CphF-7RMy_hAtI4yKrx-W4v3H5burL4SJb-QPrFmxTQ</recordid><startdate>20131215</startdate><enddate>20131215</enddate><creator>Paakinaho, Kaarlo</creator><creator>Hukka, Terttu Inkeri</creator><creator>Kastinen, Tuuva</creator><creator>Kellomäki, Minna</creator><general>Blackwell Publishing Ltd</general><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>8BQ</scope></search><sort><creationdate>20131215</creationdate><title>Demonstrating the mechanism and efficacy of water-induced shape memory and the influence of water on the thermal properties of oriented poly(d,l-lactide)</title><author>Paakinaho, Kaarlo ; Hukka, Terttu Inkeri ; Kastinen, Tuuva ; Kellomäki, Minna</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3983-658615c387f5b3081b8c656c052ffe730edd5de526bfed27d551a50e8e91eaf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Applied sciences</topic><topic>Aqueous environments</topic><topic>biodegradable</topic><topic>Biological and medical sciences</topic><topic>biomedical applications</topic><topic>Diffusion rate</topic><topic>Effectiveness</topic><topic>Exact sciences and technology</topic><topic>Finishes</topic><topic>Forms of application and semi-finished materials</topic><topic>Materials science</topic><topic>Medical sciences</topic><topic>Miscellaneous</topic><topic>Nails</topic><topic>Polymer industry, paints, wood</topic><topic>Polymers</topic><topic>Reproduction</topic><topic>Shape memory</topic><topic>stimuli-sensitive polymers</topic><topic>Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases</topic><topic>Technology of polymers</topic><topic>Technology. Biomaterials. Equipments</topic><topic>Thermal properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Paakinaho, Kaarlo</creatorcontrib><creatorcontrib>Hukka, Terttu Inkeri</creatorcontrib><creatorcontrib>Kastinen, Tuuva</creatorcontrib><creatorcontrib>Kellomäki, Minna</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>METADEX</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Paakinaho, Kaarlo</au><au>Hukka, Terttu Inkeri</au><au>Kastinen, Tuuva</au><au>Kellomäki, Minna</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Demonstrating the mechanism and efficacy of water-induced shape memory and the influence of water on the thermal properties of oriented poly(d,l-lactide)</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. Appl. Polym. Sci</addtitle><date>2013-12-15</date><risdate>2013</risdate><volume>130</volume><issue>6</issue><spage>4209</spage><epage>4218</epage><pages>4209-4218</pages><issn>0021-8995</issn><eissn>1097-4628</eissn><coden>JAPNAB</coden><abstract>ABSTRACT
Achieving water‐induced shape‐memory property in poly(D,L‐lactide) (PDLLA), generated by means of advanced processing methods, opens possibilities to develop novel bioresorbable medical devices with shape‐memory properties activated by the human body without external heat. The main phenomena that affect the molecular movements that enable the water‐induced shape‐memory effect in an oriented PDLLA in an aqueous environment at physiological temperature are related to the water driven disruption of the intermolecular dipole‐dipole and/or hydrogen bonding of the oriented PDLLA chains and the subsequent decrease of the glass transition temperature (Tg) to the range of physiological temperature. The diffused water in the polymer matrix decreased the energy needed to finish the glass transition process explaining the higher shape‐recovery rate of the γ‐irradiated PDLLA with respect to the non‐γ‐irradiated PDLLA in an aqueous environment at physiological temperatures. The water‐induced decrease in the Tg was thermally reversible. The efficacy of the generated shape‐memory was tested with PDLLA shape‐memory nails in a pullout test, in which the pullout force of the PDLLA nails increased 360% during a seven day test period in vitro at 37°C. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 130: 4209–4218, 2013</abstract><cop>Hoboken, NJ</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/app.39513</doi><tpages>10</tpages></addata></record> |
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| subjects | Applied sciences Aqueous environments biodegradable Biological and medical sciences biomedical applications Diffusion rate Effectiveness Exact sciences and technology Finishes Forms of application and semi-finished materials Materials science Medical sciences Miscellaneous Nails Polymer industry, paints, wood Polymers Reproduction Shape memory stimuli-sensitive polymers Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases Technology of polymers Technology. Biomaterials. Equipments Thermal properties |
| title | Demonstrating the mechanism and efficacy of water-induced shape memory and the influence of water on the thermal properties of oriented poly(d,l-lactide) |
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