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Production and Characterization of Polyethylene/Calcium Carbonate Composite Materials by Using Calcium Carbonate Dry and Wet Coated With Different Fatty Acids

conference contribution
posted on 2023-02-16, 04:04 authored by Ilhan Ozen, Suleyman Simsek, Feride Eren
In this study, calcium carbonate (CaCO3) was coated by suitable chemicals using aqueous or dry coating methods in the optimum conditions. Uncoated calcium carbonate having a mean particle size (d50) of 1.6 microns and a top cut (d98) of 8 microns was provided commercially and it was dry and wet coated with saturated fatty acids whose carbon numbers vary between 14 and 18. Coating amount was adjusted to 0.5-2%. Particle size and particle size distribution of the calcium carbonates before and after coating were investigated. After characterization of the coated calcium carbonates, they were incorporated into linear low density polyethylene (LLDPE) in changing amounts using a twin screw extruder. The effects of coating chemicals, coating conditions and filler amount on composite materials were studied by evaluating the thermal (DSC and TGA) and appearance (Scanning Electron Microscope (SEM)) analyses.

History

Volume

21

Pagination

183-187

Location

TURKEY, Izmir

Start date

2012-11-09

End date

2012-11-11

ISSN

0967-3911

eISSN

1478-2391

Language

English

Publication classification

E1.1 Full written paper - refereed

Title of proceedings

POLYMERS & POLYMER COMPOSITES

Event

3rd International Polymeric Composites Symposium, Exhibition and Workshop

Issue

3

Publisher

ISMITHERS