Evaluation of Physicochemical and Antifungal Properties of Polylactic Acid-Thermoplastic Starch-Chitosan Biocomposites

被引：12
作者：
Rodriguez-Nunez, Jesus R. [1 ]
Dominguez-Lopez, Anaiz [2 ]
Dominguez-Lopez, Carolina [2 ]
Quintana Owen, Patricia [3 ]
Lopez-Cervantes, Jaime [4 ]
Sanchez-Machado, Dalia I. [4 ]
Felix, Dora E. Rodriguez [5 ]
Plasencia Jatomea, Maribel [6 ]
Pena Caballero, Vicente [1 ]
Santana, Tomas J. Madera [2 ]
机构：
[1] Univ Guanajuato, Dept Ingn Agroind, Div Ciencias Salud & Ingn, Campus Celaya Salvatierra, Guanajuato, Mexico
[2] Ctr Invest Alimentac & Desarrollo AC, CTAOV, Hermosillo, Sonora, Mexico
[3] IPN, Ctr Invest & Estudios Avanzados, Unidad Merida, Cordemex, Merida Yucatan, Mexico
[4] Inst Tecnol Sonora, Dept Biotecnol & Ciencias Alimentarias, Obregon, Sonora, Mexico
[5] Univ Sonora, Dept Invest Polimeros & Mat, Hermosillo, Sonora, Mexico
[6] Univ Sonora, Dept Ciencias Quim Biol, Hermosillo, Sonora, Mexico
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2017年 / 56卷 / 01期
关键词：
Antifungal activity; biocomposite; chitosan; physicochemical properties; PLA; thermoplastic starch; ANTIMICROBIAL PROPERTIES; FILMS; TECHNOLOGIES; BLENDS;
D O I：
10.1080/03602559.2016.1211683
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Biocomposites of polylactic acid, thermoplastic starch, chitosan powder, and chitosan lyophilized powder were prepared using an extrusion process. The color, thermal, structural, mechanical, morphology, and antimicrobial properties were evaluated. The addition of thermoplastic starch and chitosan (chitosan powder and chitosan lyophilized powder) produced significant changes in color and heterogeneous surface morphology of the polylactic acid biocomposites. The thermal, mechanical, and morphometric properties of the material showed changes with the addition of thermoplastic starch and chitosan (chitosan powder and chitosan lyophilized powder). The biocomposites formulated with chitosan powder and chitosan lyophilized powder showed antifungal activity when evaluating this property. The biocomposites produced could be used in packaging applications.
引用
收藏
页码：44 / 54
页数：11
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