Abstract
In this work amorphous poly(L-lactide-co-D,L-lactide) (PLLA/PDLLA) was blended with four different commercial adipates to obtain films with enhanced mechanical and thermal properties. Efficiency of plasticizers was evaluated by studying their compatibility with the polymer and their effect on its glass transition temperature. All plasticizers were compatible with the matrix up to a critical composition depending on its molar mass. The addition of plasticizers caused a decrease in elastic modulus and tensile stress, meanwhile elongation at break had a maximum increase for polyadipates with the lower molar mass. Monomeric adipate showed some migration at concentration higher than 10 mass%, while the addition of the higher molar mass plasticizer lead to eventual phase separation. Polyadipates with low molar mass showed a promising behaviour to overcome the brittleness in PLLA/PDLLA films.
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References
A Corti G Vallini A Perea F Cioni R Solaro E Chielini et al. (1992) Composting Microbial Eco-systems for Testing the Biodegradability of starch-filled polyethylene films, in Biodegradable Polymers and Plastics RSC, Redwood Press Ltd. Melksham, Wiltshire
R Auras B Harte S Selke (2004) Macromol. Biosci. 4 835 Occurrence Handle10.1002/mabi.200400043 Occurrence Handle1:CAS:528:DC%2BD2cXns1yns7g%3D
R Tharanathan (2003) Trends in Food Science & Technology 14 71 Occurrence Handle10.1016/S0924-2244(02)00280-7 Occurrence Handle1:CAS:528:DC%2BD3sXjtFWlsbw%3D
JM Fang PA Fowler C Escrig R González JA Costa L Chamudis (2005) Carbohydr. Polym. 60 39 Occurrence Handle10.1016/j.carbpol.2004.11.018 Occurrence Handle1:CAS:528:DC%2BD2MXisFyisr0%3D
O Martin L Avérous (2001) Polymer 42 6209 Occurrence Handle10.1016/S0032-3861(01)00086-6 Occurrence Handle1:CAS:528:DC%2BD3MXisF2nsL8%3D
Z Kulinski E Piorkowska (2005) Polymer 45 10290 Occurrence Handle10.1016/j.polymer.2005.07.101
N Ljungberg B Wesslén (2003) Polymer 44 7679 Occurrence Handle10.1016/j.polymer.2003.09.055 Occurrence Handle1:CAS:528:DC%2BD3sXos1Cgtbo%3D
D Balafas KJ Shaw FB Whitfield (1999) Food Chem. 65 279 Occurrence Handle10.1016/S0308-8146(98)00240-4 Occurrence Handle1:CAS:528:DyaK1MXitlait7o%3D
N Ljungberg B Wesslén (2005) Biomacromolecules 6 1789 Occurrence Handle10.1021/bm050098f Occurrence Handle1:CAS:528:DC%2BD2MXjtVWnsrg%3D
N Ljungberg B Wesslén (2002) J. Appl. Polym. Sci. 86 1227 Occurrence Handle10.1002/app.11077 Occurrence Handle1:CAS:528:DC%2BD38XmslCitL8%3D
Y Wang JF Mano (2005) J. Therm. Anal. Cal. 80 171 Occurrence Handle10.1007/s10973-005-0631-8 Occurrence Handle1:CAS:528:DC%2BD2MXktl2ksrY%3D
R Sothornvit JM Kotcha (2001) J. Food Eng. 50 149 Occurrence Handle10.1016/S0260-8774(00)00237-5
S Rosen et al. (1982) Fundamental Principles of Polymeric Materials Wiley USA
V Krevelen et al. (1990) Properties of polymers, 3rd edn Elsevier The Netherlands
AFM Barton et al. (1985) Handbook of Solubility Parameters and other cohesive Parameters CRC Press Boca Raton, Fl 142
T Malmgren J Mays M Pyda (2006) J. Therm. Anal. Cal. 83 35 Occurrence Handle10.1007/s10973-005-7066-0 Occurrence Handle1:CAS:528:DC%2BD28XitF2nsLY%3D
WS Drumond CG Mothé SH Wang (2006) J. Therm. Anal. Cal. 85 173 Occurrence Handle10.1007/s10973-005-7341-0 Occurrence Handle1:CAS:528:DC%2BD28XnsFOqurg%3D
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Martino, V.P., Ruseckaite, R.A. & Jiménez, A. Thermal and mechanical characterization of plasticized poly (L-lactide-co-D,L-lactide) films for food packaging. J Therm Anal Calorim 86, 707–712 (2006). https://doi.org/10.1007/s10973-006-7897-3
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DOI: https://doi.org/10.1007/s10973-006-7897-3