Characterization and ageing study of poly(lactic acid) films plasticized with oligomeric lactic acid

被引：177

作者：

Burgos, Nuria ^{[1
]}

Martino, Veronica P. ^{[2
]}

Jimenez, Alfonso ^{[1
]}

机构：

[1] Univ Alicante, Analyt Chem Nutr & Food Sci Dept, E-03080 Alicante, Spain

[2] Univ Strasbourg, LIPHT ECPM, EAc CNRS 4379, F-67087 Strasbourg 2, France

来源：

POLYMER DEGRADATION AND STABILITY | 2013年 / 98卷 / 02期

关键词：

Poly(lactic acid); Plasticization; Oligomeric lactic acid; Ageing; TRIBUTYL CITRATE; MECHANICAL-PROPERTIES; MELTING BEHAVIOR; GLYCOL); BLENDS; POLY(L-LACTIDE); CRYSTALLIZATION; POLYLACTIDES; PLA;

D O I：

10.1016/j.polymdegradstab.2012.11.009

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Poly(lactic acid) (PLA) was melt-blended with a bio-based oligomeric lactic acid (OLA) plasticizer at different concentrations between 15 wt% and 25 wt% in order to enhance PLA ductility and to get a fully biodegradable material with potential application in films manufacturing. OLA was an efficient plasticizer for PLA, as it caused a significant decrease on glass transition temperature (T-g) while improving considerably ductile properties. Only one T-g value was observed in all cases and no apparent phase separation was detected. Films obtained by compression moulding were stored during 3 months under ambient controlled conditions and thermal, mechanical, structural and oxygen barrier properties were studied in order to evaluate the stability of the PLA-OLA films over time. Blends with 20 and 25 wt% OLA remained stable and compatible with PLA within the ageing period. Besides, PLA-20 wt% OLA formulation was the only one which maintained its amorphous state with adequate thermal, mechanical and oxygen barrier properties for flexible films manufacturing. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：651 / 658

页数：8

共 30 条

[1]

ASTM, 2001, STANDARD TEST METHOD

[2] Thermal and mechanical properties of plasticized poly(L-lactic acid) [J].

Baiardo, M ;

Frisoni, G ;

Scandola, M ;

Rimelen, M ;

Lips, D ;

Ruffieux, K ;

Wintermantel, E .

JOURNAL OF APPLIED POLYMER SCIENCE, 2003, 90 (07) :1731-1738

[3] Processing of poly(lactic acid): Characterization of chemical structure, thermal stability and mechanical properties [J].

Carrasco, F. ;

Pages, P. ;

Gamez-Perez, J. ;

Santana, O. O. ;

Maspoch, M. L. .

POLYMER DEGRADATION AND STABILITY, 2010, 95 (02) :116-125

[4]

Fiori S, 2009, Patent WO, Patent No. [W02009092825, 02009092825, 2009/092825, 2009092825]

[5] Aging of poly(lactide)/poly(ethylene glycol) blends. Part 2. Poly(lactide) with high stereoregularity [J].

Hu, Y ;

Hu, YS ;

Topolkaraev, V ;

Hiltner, A ;

Baer, E .

POLYMER, 2003, 44 (19) :5711-5720

[6] Poly-Lactic Acid: Production, Applications, Nanocomposites, and Release Studies [J].

Jamshidian, Majid ;

Tehrany, Elmira Arab ;

Imran, Muhammad ;

Jacquot, Muriel ;

Desobry, Stephane .

COMPREHENSIVE REVIEWS IN FOOD SCIENCE AND FOOD SAFETY, 2010, 9 (05) :552-571

[7] Poly(ethylene glycol-co-propylene glycol) as a Macromolecular Plasticizing Agent for Polylactide: Thermomechanical Properties and Aging [J].

Jia, Zhiyuan ;

Tan, Juanjuan ;

Han, Changyu ;

Yang, Yurning ;

Dong, Lisong .

JOURNAL OF APPLIED POLYMER SCIENCE, 2009, 114 (02) :1105-1117

[8] Plasticization of poly(L-lactide) with poly(propylene glycol) [J].

Kulinski, Z. ;

Piorkowska, E. ;

gadzinowska, K. ;

Stasiak, M. .

BIOMACROMOLECULES, 2006, 7 (07) :2128-2135

[9] Crystallization, structure and properties of plasticized poly(L-lactide) [J].

Kulinski, Z ;

Piorkowska, E .

POLYMER, 2005, 46 (23) :10290-10300

[10] Effect of plasticizers on mechanical and barrier properties of rice starch film [J].

Laohakunjit, N ;

Noomhorm, A .

STARCH-STARKE, 2004, 56 (08) :348-356

← 1 2 3 →