The shape memory properties of biodegradable chitosan/poly(l-lactide) composites

Journal of Polymers and the Environment

Volumn 17, Issue 3, 2009, Pages 212-224

  Meng, Qinghao ^a   Hu, Jinlian ^a   Ho, Kaichiu ^b   Ji, Fenglong ^a   Chen, Shaojun ^a  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

^b Hong Kong Research Institute of Textiles and Apparel   (Hong Kong)

Author keywords

Chitosan; Poly(l lactide); Shape memory property

Indexed keywords

L-LACTIDE; MELTING TRANSITIONS; NOVEL MATERIALS; PHASE SEPARATION STRUCTURE; PLLA; POLY (L-LACTIDE); SEMICRYSTALLINES; SHAPE MEMORY BEHAVIOR; SHAPE MEMORY PROPERTY; SHAPE RECOVERY; SHAPE-MEMORY PROPERTIES; VISCOELASTIC PROPERTIES;

ATOMIC FORCE MICROSCOPY; BIOCOMPATIBILITY; BIODEGRADATION; CHITOSAN; GLASS TRANSITION; MARTENSITIC TRANSFORMATIONS; PHASE SEPARATION; SHAPE MEMORY EFFECT; SHAPE OPTIMIZATION;

CHITIN;

ATOMIC FORCE MICROSCOPY; BIODEGRADATION; CHITIN; COMPOSITE; MECHANICAL PROPERTY; POLYMER;

EID: 73349134279     PISSN: 15662543     EISSN: None     Source Type: Journal    
DOI: 10.1007/s10924-009-0141-z     Document Type: Article

References (109)

1. A Gutowska YH Bae H Jacobs J Feijen SW Kim 1994 Thermosensitive interpenetrating polymer network: synthesis, characterisation, and macromolecular release Macromolecules 27 4167 4175 10.1021/ma00093a018 1:CAS:528:DyaK2cXks1Gntrk%3D
2. K Asaka K Oguro 2000 Bending of polyelectrolyte membrane platinum composites by electric stimuli J Electroanal Chem 480 186 198 10.1016/S0022-0728(99)00458-1 1:CAS:528:DC%2BD3cXhtV2itrs%3D (Pubitemid 30564511)
3. H Feil YH Bae T Feijen SW Kim 1992 Mutual influence of pH and temperature on the swelling of ionizable and thermosensitive hydrogels Macromolecules 25 5228 5230 10.1021/ma00046a063
4. RA Siegal BA Firestone 1988 pH-dependent equilibrium swelling properties of hydrophobic polyelectrolyte copolymer gels Macromolecules 21 3254 3259 10.1021/ma00189a021
5. HY Jiang S Kelch A Lendlein 2006 Polymers move in response to light Adv Mater 18 1471 1475 10.1002/adma.200502266 1:CAS:528:DC%2BD28XlvVOgu7w%3D (Pubitemid 43893465)
6. XP Makhosaxana G Filipcsei M ZrInyi 2000 Preparation and responsive properties of magnetically soft poly(N-isopropylacrylamide) gels Macromolecules 33 1716 1719 10.1021/ma990967r (Pubitemid 30589113)
7. Hu JL, Meng QH, Zhu Y, Lu J, Zhuo HT (2007) Shape memory fibers prepared by wet, reaction, dry, melt, and electro spinning. US Patent 11/907,012, 6 Oct 2007
8. QH Meng JL Hu Y Zhu J Lu Y Liu 2007 Morphology, phase separation, thermal and mechanical property differences of shape memory fibres prepared by different spinning methods Smart Mater Struct 16 1192 1197 10.1088/0964-1726/16/ 4/030 1:CAS:528:DC%2BD2sXhtFahtrbM (Pubitemid 47160809)
9. A Lendlein R Langer 2002 Biodegradable, elastic shape-memory polymers for potential biomedical applications Science 96 1673 1676 10.1126/science.1066102 (Pubitemid 34580574)
10. A Metcalfe A-C Desfaits I Salazkin L Yahiab WM Sokolowskic J Raymonda 2003 Cold hibernated elastic memory foams for endovascular interventions Biomaterials 24 491 497 10.1016/S0142-9612(02)00362-9 1:CAS:528: DC%2BD38XotlKgsbc%3D (Pubitemid 35287520)
11. HM Wache DJ Tartakowska A Hentrich MH Wagner 2004 Development of a polymer stent with shape memory effect as a drug delivery system J Mater Sci Mater Med 14 109 112 10.1023/A:1022007510352
12. R Langer DA Tirrell 2004 Designing materials for biology and medicine Nature 428 487 492 10.1038/nature02388 1:CAS:528:DC%2BD2cXis1GksrY%3D (Pubitemid 38480528)
13. FEFG Laroche M Fiset D Mantovani 2002 Shape memory materials for biomedical applications Adv Eng Mater 4 91 104 10.1002/1527-2648(200203)4: 3<91::AID-ADEM91>3.0.CO;2-B
14. AA Sharp HV Panchawagh A Ortega R Artale S Richardson-Burns DS Finch K Gall RL Mahajan D Restrepo 2006 Toward a self-deploying shape memory polymer neuronal electrode J Neural Eng 3 L23 L30 10.1088/1741-2560/3/4/L02 (Pubitemid 46063914)
15. Charlesby A (1960) Atomic radiation and polymers. Pergamon Press, New York, pp 198-257
16. JL Hu XM Ding XM Tao 2002 Shape memory polymers and their applications to smart textile products J China Textile Univ 19 89 93
17. Fan HJ, Hu JL, Ji FL (2004) Environmental-benign thermal-sensitive polyurethane for textile finishing. Paper presented at the world textile conference 4th AUTEX conference, Roubaix, France, June 22-24, 2004
18. Russel DA, Hayashi S, Yamada T (1999) The potential use of memory film in clothing. Paper presented at the Techtextil symposium-new protective textiles (through textile technology index database)
19. Russel A, Hayashi S, Yamada T (1999) Potential use of shape memory film in clothing. Tech Text Int 8:17-19
20. FL Ji Y Zhu JL Hu Y Liu LY Yeung GD Ye 2006 Smart polymer fibers with shape memory effect Smart Mater Struct 15 1547 1554 10.1088/0964-1726/15/6/006 1:CAS:528:DC%2BD2sXhtVWgu74%3D (Pubitemid 46069433)
21. Y Zhu Hu Jl LY Yeung Y Liu FL Ji KW Yeung 2006 Development of shape memory polyurethane fiber with complete shape recoverability Smart Mater Struct 15 1385 1394 10.1088/0964-1726/15/5/027 1:CAS:528:DC%2BD28Xht1egs7fK (Pubitemid 44418851)
22. Meng QH, Hu JL (2007) Study on poly(ε-caprolactone)-based shape memory copolymer fiber prepared by bulk polymerization and melt spinning. Polym Adv Technol. doi: 10.1002/pat.985
23. QH Meng JL Hu Y Zhu J Lu Y Liu 2007 Polycaprolactone-based shape memory segmented polyurethane fiber J Appl Polym Sci 106 2515 2523 10.1002/app.26764 1:CAS:528:DC%2BD2sXhtFSjsrnN (Pubitemid 47554267)
24. Hu JL, Meng QH, Zhu Y, Lu J, Zhuo HT (2007) Shape memory fibers prepared by wet, reaction, dry, melt, and electro spinning. US Patent 11/907,012 in USA, 9 Oct 2007
25. HM Jeong BK Ahn SM Cho BK Kim 2000 Water vapor permeability of shape memory polyurethane with amorphous reversible phase J Polym Sci B Polym Phys 38 3009 3017 10.1002/1099-0488(20001201)38:23<3009::AID-POLB30>3.0.CO;2-8 1:CAS:528:DC%2BD3cXotlait7o%3D (Pubitemid 32024050)
26. HM Jeong BK Ahn BK Kim 2000 Temperature sensitive water vapour permeability and shape memory effect of polyurethane with crystalline reversible phase and hydrophilic segments Polym Int 49 1714 1721 10.1002/1097-0126(200012) 49:12<1714::AID-PI602>3.0.CO;2-K 1:CAS:528:DC%2BD3cXptVWlu7c%3D
27. W Chen CY Zhu XR Gu 2002 Thermosetting polyurethanes with water-swollen and shape memory properties J Appl Polym Sci 84 1504 1512 10.1002/app.10357 1:CAS:528:DC%2BD38XisFOhur0%3D (Pubitemid 34269281)
28. S Mondal JL Hu 2006 Structural characterization and mass transfer properties of nonporous segmented polyurethane membrane: influence of hydrophilic and carboxylic group J Membr Sci 274 219 226 10.1016/j.memsci.2005. 08.016 1:CAS:528:DC%2BD28Xhs12is70%3D (Pubitemid 43247501)
29. S Mondal JL Hu 2006 Structural characterization and mass transfer properties of nonporous-segmented polyurethane membrane: influence of the hydrophilic segment content and soft segment melting temperature J Membr Sci 276 16 22 10.1016/j.memsci.2005.09.029 1:CAS:528:DC%2BD28XjtVOgt74%3D
30. S Mondal JL Hu 2007 A novel approach to excellent UV protecting cotton fabric with functionalized MWNT containing water vapor permeable PU coating J Appl Polym Sci 103 3370 3376 10.1002/app.25437 1:CAS:528:DC%2BD2sXhsVyhsb0%3D (Pubitemid 46345631)
31. S Mondal JL Hu 2007 Water vapor permeability of cotton fabrics coated with shape memory polyurethane Carbohydr Polym 67 282 287 10.1016/j.carbpol. 2006.05.030 1:CAS:528:DC%2BD28Xhtlartr3E (Pubitemid 44881129)
32. S Mondal JL Hu Y Zhu 2006 Free volume and water vapor permeability of dense segmented polyurethane membrane J Membr Sci 280 427 432 10.1016/j.memsci.2006.01.047 1:CAS:528:DC%2BD28XmvFWnt74%3D
33. H Chen Y-L Hsieh 2004 Ultrafine hydrogel fibers with dual temperature- and pH-responsive swelling behaviors J Polym Sci A Polym Chem 42 6331 6339 10.1002/pola.20461 1:CAS:528:DC%2BD2cXhtVyitbvP (Pubitemid 40002606)
34. H Chen GR Palmese YA Elabd 2005 Polyester-poly(methacrylic acid) nanocomposite membranes as breathable barriers ACS Polym Preprint 46 1202 1203 1:CAS:528:DC%2BD2MXnt1Ort7k%3D
35. H Tobushi S Hayashi K Hoshio N Miwa 2006 Influence of strain-holding conditions on shape recovery and secondary-shape forming in polyurethane-shape memory polymer Smart Mater Struct 15 1033 1038 10.1088/0964-1726/15/4/016 1:CAS:528:DC%2BD28XovFyisL0%3D (Pubitemid 44102060)
36. H Tobushi R Matsui S Hayashi D Shimada 2004 The influence of shape-holding conditions on shape recovery of polyurethane-shape memory polymer foams Smart Mater Struct 13 881 887 10.1088/0964-1726/13/4/026 1:CAS:528:DC%2BD2cXnslCnsr4%3D
37. Marco D, Eckhouse S (2006) Biodegradable self-inflating intragastric implants for curbing appetite. US Patent 20070156248 in USA
38. Lendlein A, Langer RS (2004) Self-expanding device for the gastrointestinal or urogenital area. WO/2004/073690, PCT/US2004/004776 in USA
39. Hayashi S, Tasaka Y, Hayashi N, Akita Y (Feb 2004) Development of smart polymer materials and its various applications. Technical review, vol 41, No 1. Mitsubishi Heavy Industries, Ltd
40. C Liu H Qin PT Mather 2007 Review of progress in shape-memory polymers J Mater Chem 17 1543 1558 10.1039/b615954k 1:CAS:528:DC%2BD2sXjvF2qu7c%3D (Pubitemid 46584580)
41. DJ Maitland MF Metzger D Schumann A Lee TS Wilson 2002 Photothermal properties of shape memory polymer micro-actuators for treating stroke Lasers Surg Med 30 1 11 10.1002/lsm.10007 (Pubitemid 34101495)
42. Small W IV, Wilson TS, Benett WJ, Loge JM, Maitland DJ (2005) Laser-activated shape memory polymer intravascular thrombectomy device. Opt Express 13:8204-8213
43. Small W IV, Metzger MF, Wilson TS, Maitland DJ (2005) Laser-activated shape memory polymer microactuator for thrombus removal following ischemic stroke: preliminary in vitro analysis. IEEE J Sel Top Quantum Electron 11:892-901
44. Buckley PR, McKinley GH, Wilson TS, Small W IV, Benett WJ Bearinger JP, McElfresh MW, Maitland DJ (2006). Inductively heated shape memory polymer for the magnetic actuation of medical devices. Paper presented at the IEEE transactions on biomedical engineering
45. AM Schmidt 2006 Electromagnetic activation of shape memory polymer networks containing magnetic nanoparticles Macromol Rapid Commun 27 1168 1172 10.1002/marc.200600225 1:CAS:528:DC%2BD28XosVensb0%3D (Pubitemid 44231099)
46. JM Hampikian BC Heaton FC Tong Z Zhang CP Wong 2006 Mechanical and radiographic properties of a shape memory polymer composite for intracranial aneurysm coils Mater Sci Eng C 26 1373 1379 10.1016/j.msec.2005.08.026 1:CAS:528:DC%2BD28Xot1yqs7Y%3D (Pubitemid 44163177)
47. Smart Surgery (2004) Future materials (through textile technology index), pp 33-34
48. Langer RS, Lendlein A (2003) biodegradable shape memory polymeric sutures. World Patent WO 2003088818 A2
49. WM Huang CW Lee HP Teo 2006 Thermomechanical behavior of a polyurethane shape memory polymer foam J Intell Mater Syst Struct 17 753 760 10.1177/1045389X06055768 1:CAS:528:DC%2BD28XpslWjtL8%3D (Pubitemid 44232487)
50. Yasuo S (1998) Shape-memory, biodegradable and absorbable material. US Patent19980189973
51. Mather PT, Liu C, Burstone CJ (Dec, 2005) Shape memory polymer orthodontic appliances, and methods of making and using the same. European Patent EP1844097, World Patent 2006071520, 2006
52. Liu C, Mather PT, Burstone C (2006) Proceedings of the annual technical conference - society of plastics engineers, 64th, society of plastics engineers, Brookfield, CT, USA, pp 1356-1360
53. Y Ikada H Tsuji 2000 Biodegradable polyesters for medical and ecological applications Macromol Rapid Commun 21 117 132 10.1002/(SICI)1521-3927(20000201) 21:3<117::AID-MARC117>3.0.CO;2-X 1:CAS:528:DC%2BD3cXhtF2qtLo%3D
54. H Urayama T Kanamori Y Kimura 2002 Properties and biodegradability of polymer blends of poly(l-lactide)s with different optical purity of the lactate units Macromol Mater Eng 287 116 121 10.1002/1439-2054(20020201)287:2<116:: AID-MAME116>3.0.CO;2-Z 1:CAS:528:DC%2BD38XitVCit7s%3D
55. JP Penning DW Grijpma AJ Pennings 1993 Hot-drawing of poly(lactide) networks J Mater Sci Lett 12 1048 1051 10.1007/BF00420216 1:CAS:528: DyaK3sXkslCnt7o%3D
56. JM Schakenraad MJ Hardonk J Feijen I Molenaar 1990 Enzymatic activity toward poly (l-lactic acid) implants J Biomed Mater Res 24 529 545 10.1002/jbm.820240502 1:CAS:528:DyaK3cXks1Ghsr0%3D (Pubitemid 20269701)
57. JM Schakenraad JA Oosterbaan P Nieuwenhuis 1988 Biodegradable hollow fibres for the controlled release of drugs Biomaterials 9 116 120 10.1016/0142-9612(88)90082-8 1:CAS:528:DyaL1cXhtFyrtbs%3D (Pubitemid 18035347)
58. HD Kim EH Bae IC Kwon RR Pal JD Nam DS Lee 2004 Effect of PEG-PLLA diblock copolymer on macroporous PLLA scaffolds by thermally induced phase separation Biomaterials 25 2319 2329 10.1016/j.biomaterials.2003.09.011 1:CAS:528:DC%2BD2cXktlaksw%3D%3D (Pubitemid 38111183)
59. H Yoshimoto YM Shin H Terai JP Vacanti 2003 A biodegradable nanofiber scaffold by electrospinning an its potential for bone tissue engineering Biomaterials 24 2077 2082 10.1016/S0142-9612(02)00635-X 1:CAS:528: DC%2BD3sXhslGqtLo%3D (Pubitemid 36298779)
60. JW Leenslag AJ Pennings R Bos FR Rozema G Boering 1987 Resorbable materials of poly(l-lactide). VI. In vivo and in vitro degradation Biomaterials 8 311 314 10.1016/0142-9612(87)90121-9 1:CAS:528:DyaL2sXls1WlsLg%3D (Pubitemid 17131448)
61. RRM Bos FR Rozema G Boering 1991 Degradation of and tissue reaction to biodegradable poly(l-lactide) for use as internal fixation of fractures. A study in rats Biomaterials 12 32 36 10.1016/0142-9612(91)90128-W 1:CAS:528: DyaK3MXhslWhtLc%3D
62. Lu X, Sun Z, Cai W (2007) Structure and shape memory effects of poly(L-lactide) and its copolymers. Physica Scripta T:T129. Second international symposium on functional materials, 2007, pp 231-235 (Pubitemid 351282197)
63. Lu X, Cai W, Zhao L (2005) Study on the shape memory behavior of poly(l-lactide). Mater Sci Forum 475-479(III). PRICM 5: the fifth pacific rim international conference on advanced materials and processing, 2005, pp 2399-2402 (Pubitemid 40499637)
64. Shikinami Y (2001) Shape memory biodegradable and absorbable material. US Patent 6281262 B1
65. Jordan G (2008) Balloon Geometry for delivery and deployment of shape memory polymer stent with flares. US Patent 20080132988
66. Moaddeb S, Shaolian SM, Shaoulian E, Rhee R, Anderson SC (2007) Shape memory devices and methods for reshaping heart anatomy. US Patent 7285087
67. Mather PT, Liu C, Campo CJ (2007) blends of amorphous and semicrystalline polymers having shape memory properties. US Patent 7208550
68. X Zheng S Zhou X Li J Weng 2006 Shape memory properties of poly(d, l-lactide)/hydroxyapatite composites Biomaterials 27 4288 4295 10.1016/j.biomaterials.2006.03.043 1:CAS:528:DC%2BD28XksFygu7o%3D (Pubitemid 44275242)
69. J Knowles S Roller 2001 Efficacy of chitosan, carvacrol, and a hydrogen peroxide-based biocide against foodborne microorganisms in suspension and adhered to stainless steel J Food Protect 64 1542 1548 1:CAS:528: DC%2BD3MXnvVGisb0%3D
70. N-LE Helander IM R Ahvenainen J Rhoades S Roller 2001 Chitosan disrupts the barrier properties of the outer membrane of gram-negative bacteria Int J Food Microbiol 71 235 244 10.1016/S0168-1605(01)00609-2 (Pubitemid 33123347)
71. HYD Liu X Wang L Sun 2004 Chitosan kills bacteria through cell membrane damage Int J Food Microbiol 95 147 155 10.1016/j.ijfoodmicro.2004.01.022 1:CAS:528:DC%2BD2cXmt1Whtbg%3D (Pubitemid 38993324)
72. J Je S Kim 2006 Antimicrobial action of novel chitin derivative Biochim Biophys Acta 1760 104 109 1:CAS:528:DC%2BD2MXhtlWqt7bI (Pubitemid 41790637)
73. A Zhu M Zhang J Wu J Shen 2002 Covalent immobilization of chitosan/heparin complex with a photosensitive hetero-bifunctional crosslinking reagent on PLA surface Biomaterials 23 4657 4665 10.1016/S0142-9612(02)00215-6 1:CAS:528:DC%2BD38XmsVeqs7s%3D (Pubitemid 36151618)
74. L Li S Ding C Zhou 2004 Preparation and degradation of PLA/chitosan composite materials J Appl Polym Sci 91 274 277 10.1002/app.12954 1:CAS:528:DC%2BD2cXivF2isLc%3D (Pubitemid 38014215)
75. F Sébastien G St'ephane A Copinet V Coma 2006 Novel biodegradable films made from chitosan and poly(lactic acid) with antifungal properties against mycotoxinogen strains Carbohydr Polym 65 185 193 10.1016/j.carbpol.2006. 01.006 (Pubitemid 44107510)
76. Suyatma NE, Copinet A, Tighzert L, Coma V (2004) Mechanical and barrier properties of biodegradable films made from chitosan and poly (lactic acid) blends. J Polym Environ 12(1):1-6
77. Merck D (1988) Merck FT-IR Atlas. VCH Publishers
78. JL Hu FL Ji YW Wong 2005 Dependency of the shape memory properties of a polyurethane upon thermomechanical cyclic conditions Polym Int 54 600 605 10.1002/pi.1745 1:CAS:528:DC%2BD2MXht1ekt74%3D (Pubitemid 40234306)
79. A Lendlein S Kelch 2002 Shape-memory polymers Angew Chem Int Ed 41 2034 2057 10.1002/1521-3773(20020617)41:12<2034::AID-ANIE2034>3.0.CO;2-M 1:CAS:528:DC%2BD38XltVWgsbc%3D
80. BK Kim SY Lee M Xu 1996 Polyurethane having shape memory effect Polymer 37 5781 5793 10.1016/S0032-3861(96)00442-9 1:CAS:528:DyaK2sXntlSntA%3D%3D (Pubitemid 126396665)
81. QH Meng JL Hu Y Zhu 2007 Shape-memory polyurethane/multiwalled carbon nanotube fibers J Appl Polym Sci 106 837 848 10.1002/app.26517 1:CAS:528:DC%2BD2sXpsVOgtb8%3D (Pubitemid 47384062)
82. S Ray K Yamada M Okamoto A Ogami K Ueda 2003 New polylactide/layered silicate nanocomposites. 3. High-performance biodegradable materials Chem Mater 15 1456 1465 10.1021/cm020953r 1:CAS:528:DC%2BD3sXhsF2ksbg%3D
83. S Ray K Yamada M Okamoto Y Fujimoto A Ogami K Ueda 2003 New polylactide/layered silicate nanocomposites. 5. Designing of materials with desired properties Polymer 44 6633 6646 10.1016/j.polymer.2003.08.021
84. SI Marras I Zuburtikudis C Panayiotou 2007 Nanostructure versus microstructure: morphological and thermomechanical characterization of poly(l-lactic acid)/layered silicate hybrids Eur Polym J 43 2191 2206 10.1016/j.eurpolymj.2007.03.013 1:CAS:528:DC%2BD2sXmt1Kis70%3D (Pubitemid 46863424)
85. H-SX Xiao Hu Li Zhong-Ming 2007 Morphology and properties of poly(l-lactide) (PLLA) filled with hollow glass beads Macromol Mater Eng 292 646 654 10.1002/mame.200600504 (Pubitemid 46980925)
86. VM Correlo LF Boesel M Bhattacharya JF Mano NM Neves RL Reis 2005 Properties of melt processed chitosan and aliphatic polyester blends Mater Sci Eng A 403 57 68 10.1016/j.msea.2005.04.055 (Pubitemid 41110235)
87. D Lewitus S McCarthy EA Ophir S Kenig 2006 The effect of nanoclays on the properties of PLLA-modified polymers part 1: mechanical and thermal properties J Environ Polym Degr 14 171 177 10.1007/s10924-006-0007-6 1:CAS:528: DC%2BD28Xnt1ajtrk%3D (Pubitemid 44088864)
88. T Miyata T Masuko 1998 Crystallization behaviour of poly(l-lactide) Polymer 39 5515 5521 10.1016/S0032-3861(97)10203-8 1:CAS:528:DyaK1cXlsFKqt7k%3D
89. P Srimoaon N Dangseeyun P Supaphol 2004 Multiple melting behavior in isothermally crystallized poly(trimethylene terephthalate) Eur Polym J 40 599 608 10.1016/j.eurpolymj.2003.11.003 1:CAS:528:DC%2BD2cXhtVClt7w%3D
90. P Supapho 2001 Crystallization and melting behavior in syndiotactic polypropylene: origin of multiple melting phenomenon J Appl Polym Sci 82 1083 1097 10.1002/app.1943 (Pubitemid 32863886)
91. T Ke X Sun 2003 Melting behavior and crystallization kinetics of starch and poly(lactic acid) composites J Appl Polym Sci 89 1203 1210 10.1002/app.12162 1:CAS:528:DC%2BD3sXks1Khsbk%3D (Pubitemid 36700131)
92. QH Meng JL Hu 2008 Self-organizing alignment of carbon nanotube in shape memory segmented fiber prepared by in situ polymerization and melt spinning Compos A 39 314 321 10.1016/j.compositesa.2007.10.007 (Pubitemid 351179443)
93. JR Lin LW Chen 1998 Study on shape-memory behavior of polyether-based polyurethanes. II. Influence of soft-segment molecular weight J Appl Polym Sci 69 1575 1586 10.1002/(SICI)1097-4628(19980822)69:8<1575::AID-APP12>3.0. CO;2-U 1:CAS:528:DyaK1cXltFygsrw%3D
94. Y Cao Y Guan J Du J Luo Y Peng CW Yip ASC Chan 2002 Hydrogen-bonded polymer network-poly(ethylene glycol) complexes with shape memory effect J Mater Chem 12 2957 2960 10.1039/b207024n 1:CAS:528:DC%2BD38Xntlyhs7g%3D
95. ZG Wei R Sandstrom S Miyazaki 1998 Shape-memory materials and hybrid composites for smart systems: part I shape-memory materials J Mater Sci 33 3743 3762 10.1023/A:1004692329247 1:CAS:528:DyaK1cXmvF2ntrg%3D (Pubitemid 128692134)
96. Q Meng J Hu Y Zhu 2008 Properties of shape memory polyurethane used as a low temperature thermoplastic orthotic material: influence of hard segment content J Biomater Sci Polym Edn 19 1437 1454 10.1163/156856208786140355 1:CAS:528:DC%2BD1cXhsVClt7bE
97. QH Meng JL Hu S Mondal 2008 Thermal sensitive shape recovery and mass transfer properties of polyurethane/modified MWNT composite membranes synthesized via in situ solution pre-polymerization J Membr Sci 319 102 110 10.1016/j.memsci.2008.03.032 1:CAS:528:DC%2BD1cXms1Oqtbw%3D
98. BS Lee BC Chun Y-C Chung KI Sul JW Cho 2001 Structure and thermomechanical properties of polyurethane block copolymers with shape memory effect Macromolecules 34 6431 6437 10.1021/ma001842l 1:CAS:528: DC%2BD3MXlsFWgsrc%3D (Pubitemid 34217160)
99. FK Li X Zhang JA Hou M Xu XL Luo DZ Ma BK Kim 1996 Studies on thermally stimulated shape memory effect of segmented polyurethanes J Appl Polym Sci 64 1511 1516 10.1002/(SICI)1097-4628(19970523)64:8<1511::AID-APP8>3.0.CO;2-K
100. BK Kim SY Lee 1998 Polyurethane ionomers having shape memory effects Polymer 39 2803 2808 10.1016/S0032-3861(97)00616-2 1:CAS:528:DyaK1cXislSlur8%3D
101. JT Garrett CA Siedlecki J Runt 2001 Microdomain morphology of poly(urethane urea) multiblock copolymers Macromolecules 34 7066 7070 10.1021/ma0102114 1:CAS:528:DC%2BD3MXmtlWitbc%3D (Pubitemid 34217052)
102. H Tan J Li M Guo R Du X Xie Y Zhong Q Fu 2005 Phase behavior and hydrogen bonding in biomembrane mimicing polyurethanes with long side chain fluorinated alkyl phosphatidylcholine polar head groups attached to hard block Polymer 46 7230 7239 10.1016/j.polymer.2005.06.032 1:CAS:528:DC%2BD2MXns1Smsrs%3D (Pubitemid 41125181)
103. RS McLean BB Sauer 1997 Tapping-mode AFM studies using phase detection for resolution of nanophases in segmented polyurethanes and other block copolymers Macromolecules 30 8314 8317 10.1021/ma970350e 1:CAS:528: DyaK1cXhs1Ghug%3D%3D
104. Aneja A, Wilkes GL (2004) Hard segment connectivity in low molecular weight model 'trisegment' polyurethanes based on monols. Polym 45:927-935
105. SY Li XZ Tang YP Luo XM Xu 1998 The study of a thermoplastic polyurethane ionomer system Eur Polym J 34 1899 1902 10.1016/S0014-3057(98)00027-5 1:CAS:528:DyaK1MXisFSk
106. H Tobushi T Hashimoto N Ito S Hayashi E Yamada 1998 Shape fixity and shape recovery in a film of shape memory polymer of polyurethane series J Intell Mater Syst Struct 9 127 136 10.1177/1045389X9800900206 1:CAS:528: DyaK1MXmtlSntw%3D%3D
107. B Bogdanov V Toncheva E Schacht L Finelli B Sarti M Scandol 1999 Physical properties of poly(ester-urethanes) prepared from different molar mass polycaprolactone-diols Polymer 40 3171 3182 10.1016/S0032-3861(98)00552-7 1:CAS:528:DyaK1MXhslWmsL4%3D (Pubitemid 30122612)
108. M Peesan P Supaphol R Rujiravanit 2005 Preparation and characterization of hexanoyl chitosan/polylactide blend films Carbohydr Polym 60 343 350 10.1016/j.carbpol.2005.01.008 1:CAS:528:DC%2BD2MXktFajs74%3D
109. M Peesan P Supaphol R Rujiravanit 2007 Effect of casting solvent on characteristics of hexanoyl chitosan/polylactide blend films J Appl Polym Sci 105 1844 1852 10.1002/app.26341 1:CAS:528:DC%2BD2sXntl2itrw%3D