Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application

Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application

In this research, dielectric, mechanical and thermal properties of various types of fillers filled epoxy thin film composites were studied. The fillers and epoxy were prepared using ultrasonic mixing and the thin film composites were fabricated using spin coating method. In the first stage, the prop...

Full description

Saved in:
Bibliographic Details
Main Author: Poh, Chen Ling
Format: Thesis
Language:English
Published: 2015
Subjects:
TA404 Composite materials
Online Access:http://eprints.usm.my/37251/1/POH_CHEN_LING_24_Pages.pdf
Tags: Add Tag
No Tags, Be the first to tag this record!
id my-usm-ep.37251
record_format uketd_dc
spelling my-usm-ep.372512019-04-12T05:25:56Z Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application 2015 Poh, Chen Ling TA404 Composite materials In this research, dielectric, mechanical and thermal properties of various types of fillers filled epoxy thin film composites were studied. The fillers and epoxy were prepared using ultrasonic mixing and the thin film composites were fabricated using spin coating method. In the first stage, the properties of mineral calcium carbonate (mineral CaCO3) and precipitated calcium carbonate (precipitated CaCO3) filled epoxy thin film composites were investigated. It was found that precipitated CaCO3 exhibited higher dielectric properties and tensile strength than mineral CaCO3 whereas mineral CaCO3 exhibited higher thermal properties and modulus than precipitated CaCO3. In the second stage, the properties of various types of fillers (precipitated CaCO3, Barium titanate (BaTiO3) and multi-walled carbon nanotube (MWCNT)) were investigated. It was found that BaTiO3 and MWCNT exhibited higher specific capacitance and dielectric constant than precipitated CaCO3. Since dielectric and capacitance properties are important for the capacitor application, MWCNT was chosen in the functionalization study in the third stage. Various types of functionalization using polyoxyethylene octyl phenyl ether (Triton X-100), sodium dodecyl sulfate (SDS), and 3-(aminopropyl)triethoxy silane (AMPTES) treated MWCNT were used to treat MWCNT. It was found that treated MWCNT had improvement in dielectric and mechanical properties. Slightly similar dielectric properties were observed in the comparison of two different epoxies (DER 332 epoxy and OP 392 epoxy) with 1.5 vol% untreated MWCNT and Triton X-100 and SDS treated MWCNT. OP 392 epoxy thin film composites exhibited higher glass transition temperature (Tg) and lower tensile strength compared to that of DER 332 epoxy thin film composites. Overall, Triton X-100 treated MWCNT filled OP 392 epoxy thin composite is the most suitable material for the dielectric application 2015 Thesis http://eprints.usm.my/37251/ http://eprints.usm.my/37251/1/POH_CHEN_LING_24_Pages.pdf application/pdf en public masters Universiti Sains Malaysia Pusat Pengajian Kejuruteraan Bahan dan Sumber Mineral
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic TA404 Composite materials
spellingShingle TA404 Composite materials
Poh, Chen Ling
Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application
description In this research, dielectric, mechanical and thermal properties of various types of fillers filled epoxy thin film composites were studied. The fillers and epoxy were prepared using ultrasonic mixing and the thin film composites were fabricated using spin coating method. In the first stage, the properties of mineral calcium carbonate (mineral CaCO3) and precipitated calcium carbonate (precipitated CaCO3) filled epoxy thin film composites were investigated. It was found that precipitated CaCO3 exhibited higher dielectric properties and tensile strength than mineral CaCO3 whereas mineral CaCO3 exhibited higher thermal properties and modulus than precipitated CaCO3. In the second stage, the properties of various types of fillers (precipitated CaCO3, Barium titanate (BaTiO3) and multi-walled carbon nanotube (MWCNT)) were investigated. It was found that BaTiO3 and MWCNT exhibited higher specific capacitance and dielectric constant than precipitated CaCO3. Since dielectric and capacitance properties are important for the capacitor application, MWCNT was chosen in the functionalization study in the third stage. Various types of functionalization using polyoxyethylene octyl phenyl ether (Triton X-100), sodium dodecyl sulfate (SDS), and 3-(aminopropyl)triethoxy silane (AMPTES) treated MWCNT were used to treat MWCNT. It was found that treated MWCNT had improvement in dielectric and mechanical properties. Slightly similar dielectric properties were observed in the comparison of two different epoxies (DER 332 epoxy and OP 392 epoxy) with 1.5 vol% untreated MWCNT and Triton X-100 and SDS treated MWCNT. OP 392 epoxy thin film composites exhibited higher glass transition temperature (Tg) and lower tensile strength compared to that of DER 332 epoxy thin film composites. Overall, Triton X-100 treated MWCNT filled OP 392 epoxy thin composite is the most suitable material for the dielectric application
format Thesis
qualification_level Master's degree
author Poh, Chen Ling
author_facet Poh, Chen Ling
author_sort Poh, Chen Ling
title Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application
title_short Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application
title_full Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application
title_fullStr Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application
title_full_unstemmed Characterization Of Filled Epoxy Thin Film Composites For Dielectric Application
title_sort characterization of filled epoxy thin film composites for dielectric application
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Kejuruteraan Bahan dan Sumber Mineral
publishDate 2015
url http://eprints.usm.my/37251/1/POH_CHEN_LING_24_Pages.pdf
_version_ 1747820656560439296

Similar Items