摘要
Stimuli-responsive polymers are considered as smart materials as they can respond to subtle changes in external stimuli, such as pH, temperature, light, magnetic field, etc. Natural rubber (NR) is one of the most important renewable resources, offering excellent flexibility and fatigue resistance. In this work, temperature responsiveness was introduced to NR via a crosslinking reaction with poly(N-isopropylacrylamide) (PNIPAM) using benzoyl peroxide as a free radical crosslinker. PNIPAM was chosen because it is a well-known temperature-responsive polymer with a lower critical solution temperature near the human body temperature, enabling applications in biomedical fields. The crosslinked materials between PNIPAM and NR were characterized using Fourier transform infrared spectroscopy, differential scanning calorimetry, thermogravimetric analysis, and X-ray photoelectron spectroscopy. The effects of polymer and crosslinker concentration, reaction temperature, and reaction time on the gel content were studied. The temperature responsiveness of the crosslinked polymers was investigated and the lower critical solution temperature was found to be in the range 30-34 °C. Based on these results, we demonstrated a straightforward strategy for preparing crosslinked polymers between PNIPAM and NR. The introduction of temperature responsiveness into NR will lead to new responsive rubber-based materials and expand the range of potential applications.Keywordstemperature-responsive polymerpoly(N-isopropylacrylamide)natural rubbercrosslinkingReferences(1).H. Almeida, M. H. Amaral, and P. Lobão, J. Appl. Pharm. Sci., 2, 01 (2012).Google Scholar(2).J.-K. Chen and C.-J. Chang, Materials, 7, 805 (2014).CrossRefGoogle Scholar(3).M. A. Ward and T. K. Georgiou, Polymers, 3, 1215 (2011).CrossRefGoogle Scholar(4).R. Liu, M. Fraylich, and B. R. Saunders, Colloid Polym. 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A, 372, 115 (2010).CrossRefGoogle ScholarCopyright information© The Polymer Society of Korea and Springer Sciene Business Media Dordrecht 2016Authors and AffiliationsPattaraporn Nuntahirun1Oraphin Yamamoto2Peerasak Paoprasert1Email author1.Department of Chemistry, Faculty of Science and TechnologyThammasat UniversityPathumthaniThailand2.National Metal and Materials Technology CenterPathumthaniThailand About this article CrossMark Print ISSN 1598-5032 Online ISSN 2092-7673 Publisher Name The Polymer Society of Korea About this journal Reprints and Permissions Article actions function trackAddToCart() { var buyBoxPixel = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "springer_com.buybox", product: "10.1007/s13233-016-4114-5_Preparation and temperature-respon", productStatus: "add", productCategory : { 1 : "ppv" }, customEcommerceParameter : { 9 : "link.springer.com" } }); buyBoxPixel.sendinfo(); } function trackSubscription() { var subscription = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "springer_com.buybox" }); subscription.sendinfo({linkId: "inst. subscription info"}); } window.addEventListener("load", function(event) { var viewPage = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "SL-article", product: "10.1007/s13233-016-4114-5_Preparation and temperature-respon", productStatus: "view", productCategory : { 1 : "ppv" }, customEcommerceParameter : { 9 : "link.springer.com" } }); viewPage.sendinfo(); }); Log in to check your access to this article Buy (PDF)EUR 34,95 Unlimited access to full article Instant download (PDF) Price includes local sales tax if applicable Find out about institutional subscriptions Export citation .RIS Papers Reference Manager RefWorks Zotero .ENW EndNote .BIB BibTeX JabRef Mendeley Share article Email Facebook Twitter LinkedIn Cookies We use cookies to improve your experience with our site. 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