Thermoplastic starch plasticized by an ionic liquid
Thermoplastic starch (TPS) plasticized by 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) was obtained by melt processing. The resulting electrically conductive TPS samples were less hygroscopic than glycerol plasticized TPS samples. Despite this lower water uptake, [BMIM]Cl seems to be intrinsicall...
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| Veröffentlicht in: | Carbohydrate polymers 2010-09, Vol.82 (2), p.256-263 |
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| container_title | Carbohydrate polymers |
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| creator | Sankri, Abdulkader Arhaliass, Abdellah Dez, Isabelle Gaumont, Annie Claude Grohens, Yves Lourdin, Denis Pillin, Isabelle Rolland-Sabaté, Agnès Leroy, Eric |
| description | Thermoplastic starch (TPS) plasticized by 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) was obtained by melt processing. The resulting electrically conductive TPS samples were less hygroscopic than glycerol plasticized TPS samples. Despite this lower water uptake, [BMIM]Cl seems to be intrinsically a more efficient plasticizer of starch. [BMIM]Cl plasticized TPS samples show a much higher elongation at break in the rubbery state than the glycerol plasticized TPS samples. Their unusually low rubbery Young's modulus for thermoplastic starch (0.5
MPa) suggests a strong reduction of hydrogen bonds between the starch chains due to the presence of the ionic liquid. A detailed IR spectroscopy analysis supports this interpretation. |
| doi_str_mv | 10.1016/j.carbpol.2010.04.032 |
| format | Article |
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| subjects | Applied sciences Chemical Sciences Electrical conductivity Exact sciences and technology Interactions Ionic liquids Mechanical properties Natural polymers Organic chemistry Physicochemistry of polymers Plasticization Polymers Starch and polysaccharides Thermoplastic starch |
| title | Thermoplastic starch plasticized by an ionic liquid |
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