Poly(vinyl butyral) based polymer networks with dual-responsive shape memory and self-healing properties
In this work, polymer networks are prepared by a simple cross-linked reaction of poly(vinyl butyral) (PVB) and hexamethylene diisocyanate. The cross-linked reaction was evaluated by Fourier transition infrared spectroscopy, degree of swelling and gel content. The polymer networks show high mechanica...
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| Veröffentlicht in: | Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2014-01, Vol.2 (24), p.9169-9177 |
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| container_end_page | 9177 |
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| container_issue | 24 |
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| container_title | Journal of materials chemistry. A, Materials for energy and sustainability |
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| creator | Bai, Yongkang Chen, Yu Wang, Qihua Wang, Tingmei |
| description | In this work, polymer networks are prepared by a simple cross-linked reaction of poly(vinyl butyral) (PVB) and hexamethylene diisocyanate. The cross-linked reaction was evaluated by Fourier transition infrared spectroscopy, degree of swelling and gel content. The polymer networks show high mechanical strength with tensile modulus and tensile strength over 1 GPa and 40 MPa, respectively, at rt. With PVB as switching domain, the polymer networks exhibit excellent thermal- and solvent-induced shape memory properties. Also, the influence of cross-linked density and solvents' properties on solvent-induced recovery speed were carefully investigated. Moreover, with the assistance of a shape memory effect, the polymer networks also show scratch self-healing behavior which was monitored using optical and scanning electron microscopy. |
| doi_str_mv | 10.1039/c4ta00856a |
| format | Article |
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| identifier | ISSN: 2050-7488 |
| ispartof | Journal of materials chemistry. A, Materials for energy and sustainability, 2014-01, Vol.2 (24), p.9169-9177 |
| issn | 2050-7488 2050-7496 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1551049130 |
| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Crosslinking Density Networks Shape memory Solvents Sustainability Switching theory Tensile strength |
| title | Poly(vinyl butyral) based polymer networks with dual-responsive shape memory and self-healing properties |
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