Chemical and thermomechanical tailoring of the shape memory effect in poly(ε-caprolactone)-based systems
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Abstract
The thermally activated shape memory response of polymeric materials results from a combination of the material molecular architecture with the thermal/deformational history, or ‘programming’. In this work, we investigate the shape memory response of systems based on poly(ε-caprolactone) (PCL) so as to explore the adoption of proper chemical and thermomechanical tailoring routes. Cross-linked semicrystalline PCL-based materials are prepared by different molecular architectures starting from linear, three- and four-arms star PCL functionalized with methacrylate end groups, allowing to tune the melting temperature, T m, ranging between 36 and 55 °C. The materials’ ability to display the shape memory is investigated by the application of proper thermomechanical cycles on specimens deformed at two different temperatures (23 and 65 °C, i.e. below and above the T m, respectively). The shape memory response is studied under dynamic thermal conditions in thermally activated recovery tests, to identify the typical transformation temperatures, and under isothermal conditions at given recovery temperatures, to monitor shape recovery as a function of time. All the specimens are capable of full recovery on specific thermal ranges influenced by both melting and deformation temperatures. Specimens deformed above T m are able to recover the whole deformation in a very narrow temperature region close to T m, while those deformed at room temperature display broader recovery processes, those onset at about 30 °C. Isothermal tests reveal that when the deformed material is subjected to a constant recovery temperature, the amount of recovered strain and the time required strongly depend on the particular combination of melting temperature, deformation temperature and recovery temperature.
Keywords
Shape Memory Deformation Temperature Shape Memory Effect Shape Recovery Shape Memory PolymerNotes
Acknowledgements
The authors thank Prof. Francesco Pilati of the University of Modena and Reggio Emilia (Italy) for the fruitful scientific discussion and his fundamental support. The authors would like to acknowledge Regione Lombardia and INSTM Consortium (Firenze, Italy) for providing financial support to the present research.
Supplementary material
References
- 1.Otsuka K, Wayman CM (1999) Shape memory materials. University Press, CambridgeGoogle Scholar
- 2.Huang WM, Ding Z, Wang CC, Wei J, Zhao Y, Purnawali H (2010) Mater Today 13(7–8):51Google Scholar
- 3.Leng JS, Lan X, Liu YJ, Du SY (2011) Prog Mater Sci 56(7):1077. doi: 10.1016/J.Pmatsci.2011.03.001 CrossRefGoogle Scholar
- 4.Lendlein A, Langer R (2002) Science 296(5573):1673. doi: 10.1126/science.1066102 CrossRefGoogle Scholar
- 5.Yakacki CM, Shandas R, Safranski D, Ortega AM, Sassaman K, Gall K (2008) Adv Funct Mater 18(16):2428. doi: 10.1002/Adfm.200701049 CrossRefGoogle Scholar
- 6.Xie T, Rousseau IA (2009) Polymer 50(8):1852. doi: 10.1016/J.Polymer.2009.02.035 CrossRefGoogle Scholar
- 7.Gall K, Mikulas M, Munshi NA, Beavers F, Tupper M (2000) J Intel Mater Syst Struct 11(11):877Google Scholar
- 8.Sokolowski WM, Tan SC (2007) J Spacecraft Rockets 44(4):750. doi: 10.2514/1.22854 CrossRefGoogle Scholar
- 9.Hu J (2007) Shape memory polymers and textiles. Woodhead Publishing, CambridgeCrossRefGoogle Scholar
- 10.Browne AL, Johnson NL (2008) Hood assembly utilizing active materials based mechanisms. US Patent US2008197674Google Scholar
- 11.Browne AL, Johnson NL (2005) Shape memory polymer seat assemblies. US Patent US2005218710Google Scholar
- 12.Alexander PW, Browne AL, Johnson NL, Mankame N, Muhammad H, Wanke T (2007) Active material based tunable property automotive brackets. WO2007056639Google Scholar
- 13.Lendlein A, Behl M, Hiebl B, Wischke C (2010) Expert Rev Med Devic 7(3):357. doi: 10.1586/Erd.10.8 CrossRefGoogle Scholar
- 14.Pitt CG (1990) Drugs Pharm Sci 45:71Google Scholar
- 15.Barot G, Rao IJ (2006) Z Angew Math Phys 57(4):652. doi: 10.1007/S00033-005-0009-6 CrossRefGoogle Scholar
- 16.Westbrook KK, Parakh V, Chung T, Mather PT, Wan LC, Dunn ML, Qi HJ (2010) J Eng Mater-T Asme 132 (4). doi: 10.1115/1.4001964
- 17.Xu WX, Yin RY, Lin L, Yu Y (2008) Prog Chem 20(1):140Google Scholar
- 18.Ren WT, Kline WM, McMullan PJ, Griffin AC (2011) Phys Status Solidi B 248(1):105. doi: 10.1002/Pssb.201083972 CrossRefGoogle Scholar
- 19.Liu YP, Gall K, Dunn ML, Greenberg AR, Diani J (2006) Int J Plast 22(2):279. doi: 10.1016/J.Ijplas.2005.03.004 CrossRefGoogle Scholar
- 20.Wang ZD, Li ZF, Wang LY, Xiong ZY, Wang ZD, Li ZF, Wang LY, Xiong ZY (2010) J Appl Polym Sci 118(3):1406. doi: 10.1002/App.32420 Google Scholar
- 21.Chen X, Nguyen TD (2011) Mech Mater 43(3):127. doi: 10.1016/J.Mechmat.2011.01.001 CrossRefGoogle Scholar
- 22.Lendlein A, Kelch S (2002) Angewandte Chemie Int Edn 41(12):2034CrossRefGoogle Scholar
- 23.Liu C, Qin H, Mather PT (2007) J Mater Chem 17(16):1543. doi: 10.1039/B615954k CrossRefGoogle Scholar
- 24.Song L, Hu W, Wang GJ, Niu GG, Zhang HB, Cao H, Wang KJ, Yang HA, Zhu SQ (2010) Macromol Biosci 10(10):1194. doi: 10.1002/Mabi.201000028 CrossRefGoogle Scholar
- 25.Liu CD, Mather PT (2002) J Appl Med Plast 6(2):47Google Scholar
- 26.Behl M, Lendlein A (2007) Soft Matter 3(1):58. doi: 10.1039/B610611k CrossRefGoogle Scholar
- 27.Alteheld A, Feng YK, Kelch S, Lendlein A (2005) Angewandte Chemie-Int Edn 44(8):1188. doi: 10.1002/anie.200461360 CrossRefGoogle Scholar
- 28.Miaudet P, Derre A, Maugey M, Zakri C, Piccione PM, Inoubli R, Poulin P (2007) Science 318(5854):1294. doi: 10.1126/Science.1145593 CrossRefGoogle Scholar
- 29.Xie T (2010) Nature 464(7286):267. doi: 10.1038/Nature08863 CrossRefGoogle Scholar
- 30.Kratz K, Madbouly SA, Wagermaier W, Lendlein A (2011) Adv Mater 23(35):4058. doi: 10.1002/Adma.201102225 CrossRefGoogle Scholar
- 31.Chen SJ, Hu JL, Yuen CWM, Chan LK, Zhuo HT (2010) Polym Adv Technol 21(5):377. doi: 10.1002/Pat.1523 Google Scholar
- 32.Luo XF, Mather PT (2010) Adv Funct Mater 20(16):2649. doi: 10.1002/Adfm.201000052 CrossRefGoogle Scholar
- 33.Zotzmann J, Behl M, Hofmann D, Lendlein A (2010) Adv Mater 22(31):3424. doi: 10.1002/Adma.200904202 CrossRefGoogle Scholar
- 34.Behl M, Bellin I, Kelch S, Wagermaier W, Lendlein A (2009) Adv Funct Mater 19(1):102. doi: 10.1002/Adfm.200800850 CrossRefGoogle Scholar
- 35.Bellin I, Kelch S, Langer R, Lendlein A (2006) Proc Nat Acad Sci USA 103(48):18043. doi: 10.1073/Pnas.0608586103 CrossRefGoogle Scholar
- 36.Sun L, Huang WM (2010) Soft Matter 6:4403. doi: 10.1039/c0sm00236d CrossRefGoogle Scholar
- 37.Moeller M, Hedrick JL, Degée P, Dubois P (2001) Ring Opening Polymerization. In: Buschow KHJr, Robert WC, Merton CF et al. (eds) Encyclopedia of Materials: Science and Technology. Elsevier, Oxford, pp 8202-8216. doi: 10.1016/b0-08-043152-6/01470-4
- 38.Lendlein A, Schmidt AM, Schroeter M, Langer R (2005) J Polym Sci Pol Chem 43(7):1369. doi: 10.1002/Pola.20598 CrossRefGoogle Scholar
- 39.Sanda F, Sanada H, Shibasaki Y, Endo T (2002) Macromolecules 35(3):680. doi: 10.1021/Ma011341f CrossRefGoogle Scholar
- 40.Khonakdar HA, Jafari SH, Rasouli S, Morshedian J, Abedini H (2007) Macromol Theor Simul 16(1):43. doi: 10.1002/Mats.200600041 CrossRefGoogle Scholar
- 41.Gall K, Yakacki CM, Liu YP, Shandas R, Willett N, Anseth KS (2005) J Biomed Mater Res A 73A(3):339. doi: 10.1002/Jbm.A.30296 CrossRefGoogle Scholar
- 42.Liu YP, Gall K, Dunn ML, McCluskey P (2003) Smart Mater Struct 12(6):947CrossRefGoogle Scholar
- 43.Hu JL, Ji FL, Wong YW (2005) Polym Int 54(3):600. doi: 10.1002/Pi.1745 CrossRefGoogle Scholar
- 44.Wong YS, Xiong Y, Venkatraman SS, Boey FYC (2008) J Biomater Sci Polym Edn 19(2):175CrossRefGoogle Scholar
- 45.Xie T, Page KA, Eastman SA (2011) Adv Funct Mater 21(11):2057. doi: 10.1002/Adfm.201002579 CrossRefGoogle Scholar
- 46.Yakacki CM, Nguyen TD, Likos R, Lamell R, Guigou D, Gall K (2011) Polymer 52(21):4947. doi: 10.1016/J.Polymer.2011.08.027 CrossRefGoogle Scholar
- 47.Yakacki CM, Shandas R, Lanning C, Rech B, Eckstein A, Gall K (2007) Biomaterials 28(14):2255. doi: 10.1016/J.Biomaterials.2007.01.030 CrossRefGoogle Scholar
- 48.Azra C, Plummer CJG, Manson JAE (2011) Smart Materials & Structures 20 (8). doi: 10.1088/0964-1726/20/8/082002
- 49.Meyerhoff G, Appelt B (1979) Macromolecules 12(5):968CrossRefGoogle Scholar
- 50.Miller RL (1992) Crystallographic data for various polymers. In: E.H. BJaI (ed) Polymer Handbook, 3rd Ed. John Wiley and Sons, New York, p VI/62Google Scholar
- 51.Jain SR, Sekkar V, Krishnamurthy VN (1993) J Appl Polym Sci 48(9):1515CrossRefGoogle Scholar
- 52.Flory PJ (1953) Principles of polymer chemistry. Cornell University Press, IthacaGoogle Scholar
- 53.Wang SF, Yaszemski MJ, Knight AM, Gruetzmacher JA, Windebank AJ, Lu LC (2009) Acta Biomater 5(5):1531. doi: 10.1016/J.Actbio.2008.12.015 CrossRefGoogle Scholar
- 54.Nojima S, Hashizume K, Rohadi A, Sasaki S (1997) Polymer 38(11):2711CrossRefGoogle Scholar
- 55.Wang SF, Yaszemski MJ, Gruetzmacher JA, Lu LC (2008) Polymer 49(26):5692. doi: 10.1016/J.Polymer.2008.10.021 CrossRefGoogle Scholar
- 56.Fu Q, Men Y, Strobl G (2003) Polymer 44(6):1927CrossRefGoogle Scholar
- 57.Men YF, Rieger J, Strobl G (2003) Phys Rev Lett 91 (9). doi: 10.1103/Physrevlett.91.095502