Linked Life Data

21381645

Source:http://linkedlifedata.com/resource/pubmed/id/21381645

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SubjectPredicateObjectContext
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pubmed-article:21381645pubmed:abstractTextFrom the point of better biocompatibility and sustainability, biobased shape memory polymers (SMPs) are highly desired. We used 1,3-propanediol, sebacic acid, and itaconic acid, which have been industrially produced via fermentation or extraction with large quantities as the main raw materials for the synthesis of biobased poly(propylene sebacate). Diethylene glycol was used to tailor the flexibility of the polyester. The resulted polyesters were found to be promising SMPs with excellent shape recovery and fixity (near 100% and independent of thermomechanical cycles). The switching temperature and recovery speed of the SMPs are tunable by controlling the composition of the polyesters and their curing extent. The continuously changed switching temperature ranging from 12 to 54 °C was realized. Such temperature range is typical for biomedical applications in the human body. The molecular and crystalline structures were explored to correlate to the shape memory behavior. The combination of potential biocompatibility and biodegradability of the biobased SMPs makes them suitable for fabricating biomedical devices.lld:pubmed
pubmed-article:21381645pubmed:languageenglld:pubmed
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pubmed-article:21381645pubmed:authorpubmed-author:ZhangLiqunLlld:pubmed
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pubmed-article:21381645pubmed:authorpubmed-author:LiuYanpuYlld:pubmed
pubmed-article:21381645pubmed:authorpubmed-author:ChenYongwenYlld:pubmed
pubmed-article:21381645pubmed:authorpubmed-author:ZhaoJianqingJlld:pubmed
pubmed-article:21381645pubmed:authorpubmed-author:ZhouWen YouWYlld:pubmed
pubmed-article:21381645pubmed:authorpubmed-author:GuoBaochunBlld:pubmed
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pubmed-article:21381645pubmed:year2011lld:pubmed
pubmed-article:21381645pubmed:articleTitleBiobased poly(propylene sebacate) as shape memory polymer with tunable switching temperature for potential biomedical applications.lld:pubmed
pubmed-article:21381645pubmed:affiliationDepartment of Polymer Materials and Engineering, South China University of Technology, Guangzhou 510640, China. psbcguo@scut.edu.cnlld:pubmed
pubmed-article:21381645pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:21381645pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed