Effect of the talc filler on structural, water vapor barrier and mechanical properties of poly(lactic acid) composites

被引：25
|
作者：
Buzarovska, Aleksandra [1 ]
Bogoeva-Gaceva, Gordana [1 ]
Fajgar, Radek [2 ]
机构：
[1] Fac Technol & Met, Rudjer Boskov 16, Skopje 1000, Macedonia
[2] Acad Sci Czech Republic, Inst Chem Proc Fundamentals, Razvojova 135, CR-16502 Prague, Czech Republic
来源：
JOURNAL OF POLYMER ENGINEERING | 2016年 / 36卷 / 02期
关键词：
composites; packaging; poly(lactic acid); talc; CRYSTALLIZATION KINETICS; NANOCOMPOSITES; PLA; POLY(L-LACTIDE); FILMS; BIOCOMPATIBILITY; MONTMORILLONITE; MICROPARTICLES; NANOPARTICLES; POLYMER;
D O I：
10.1515/polyeng-2015-0014
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) based composite films with different content of talc (5-15 wt%) were prepared by the solvent casting method. The effect of talc on morphological, structural, thermal, barrier and mechanical properties of neat PLA was investigated. The PLA/talc composites revealed a polymorphic crystalline structure, as demonstrated by X-ray diffraction (XRD) study and differential scanning calorimetry (DSC) analysis. The PLA/talc composites also exhibited significantly improved barrier properties (up to 55% compared to neat PLA), as shown by water vapor permeability (WVP) tests. The puncture measurements showed improved mechanical properties at lower content of talc (up to 5 wt%), and increased brittleness of the PLA/talc composite films at higher talc concentrations.
引用
收藏
页码：181 / 188
页数：8
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