Preparation and Determination of Antimicrobial Property of Cation-Exchanged Ecuadorian Natural Zeolite to be Used as Filler for Polyethylene and Polypropylene Matrices

Zeolites are crystalline aluminosilicates with nanoporous structure, tasteless and non-toxic materials. In this study, silver ion-exchanged zeolite, which was prepared from the natural Ecuadorian zeolites was used as reinforcement material in low-density polyethylene (LDPE) and polypropylene (PP). P...

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Bibliographic Details
Published in:Journal of polymers and the environment 2018-06, Vol.26 (6), p.2566-2578
Main Authors: Baykara, Haci, Martinez, Mauricio Cornejo, Rey, Denis Viera, Urbina, Diego Sánchez, Paredes, Cecilia, Rigail-Cedeño, Andres, Aviles, Maria Olivia
Format: Article
Language:English
Subjects:
Aluminosilicates
Aluminum silicates
Bacteria
Cation exchanging
Chemistry
Chemistry and Materials Science
E coli
Environmental Chemistry
Environmental Engineering/Biotechnology
ESCHERICHIA COLI
Food packaging
FOURIER TRANSFORM SPECTROMETERS
Fourier transforms
Industrial Chemistry/Chemical Engineering
Infrared analysis
Infrared spectroscopy
ION EXCHANGE
Low density polyethylenes
Materials Science
Mechanical analysis
Mechanical properties
Microbiological analysis
NANOSCIENCE AND NANOTECHNOLOGY
Original Paper
PACKAGING
Polyethylene
POLYETHYLENES
Polymer matrix composites
Polymer Sciences
Polymers
POLYPROPYLENE
SCANNING ELECTRON MICROSCOPY
SILVER
SILVER IONS
TENSILE PROPERTIES
THERMAL GRAVIMETRIC ANALYSIS
Thermogravimetric analysis
TOXIC MATERIALS
X-RAY DIFFRACTION
ZEOLITES
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Summary:Zeolites are crystalline aluminosilicates with nanoporous structure, tasteless and non-toxic materials. In this study, silver ion-exchanged zeolite, which was prepared from the natural Ecuadorian zeolites was used as reinforcement material in low-density polyethylene (LDPE) and polypropylene (PP). Polymers were filled with 1, 2 and 3 wt% concentrations of natural zeolite (Z) and silver ion exchanged zeolite (ZA). Zeolites and composites were characterized by X-ray diffractometry, Fourier transform infrared spectroscopy, scanning electron microscope, thermogravimetric analysis and mechanical analysis techniques. Microbiological analysis of silver ion exchanged zeolite showed effective antibacterial property against Escherichia coli bacteria. PP/ZA composites showed better tensile strengths in all mixes comparing to pure PP. ZAPE2 and ZAPP1 showed the best mechanical properties among all the composites based on polyethylene and PP, respectively. The composites prepared are potential candidates to be used in food packaging, and ZA type zeolites can be used as filler for the preparation of various composites.
ISSN:1566-2543
1572-8919
DOI:10.1007/s10924-017-1153-8