Rheological and Processing Properties of Poly(lactic acid) Composites Filled with Ground Chestnut Shell

被引：24

作者：

Barczewski, Mateusz ^{[1
]}

Mysiukiewicz, Olga ^{[1
]}

机构：

[1] Poznan Univ Tech, Inst Mat Technol, Fac Mech Engn & Management, Polymer Proc Div, Piotrowo 3, PL-61138 Poznan, Poland

来源：

POLYMER-KOREA | 2018年 / 42卷 / 02期

关键词：

poly(lactic acid); chestnut; composite; rheology; POLYPROPYLENE/WOOD-FLOUR COMPOSITES; MECHANICAL-PROPERTIES; POLYMER COMPOSITES; BIOCOMPOSITES; FIBERS; PLA;

D O I：

10.7317/pk.2018.42.2.267

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Rheological behavior of the poly(lactic acid) (PLA) composites filled with ground chestnut shell (CN) was investigated. Application of various measuring techniques: small amplitude oscillatory shearing rheomety and capillary rheometry, allowed to determine in detail changes of rheological behavior and potential processing limitations of fully biodegradable composites modified by an organic waste filler. Different influence of the ground chestnut shell filler on PLA-based composites flow behavior was observed during rotational and capillary rheometry. Incorporation of particle shaped natural filler resulted in strong increase of composites' complex viscosity. However, due to occurrence of significant wall slip during capillary flow, materials containing ground chestnut were characterized by improved processability which result in increased melt flow index (ME).

引用

页码：267 / 274

页数：8

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