Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber

Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber

Development of low cost products with similar or better properties is vital to its sustainability in the competitive global market. This research embarks on compositional analysis of the hard part of a weatherstrip seal product that surpassed customer's specification and development of a new fo...

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Main Author: Zuber, Fatimah
Format: Thesis
Language:English
Published: 2015
Online Access:https://ir.uitm.edu.my/id/eprint/17808/2/TM_FATIMAH%20ZUBER%20AS%2015_5.pdf
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spelling my-uitm-ir.178082018-10-18T06:36:25Z Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber 2015 Zuber, Fatimah Development of low cost products with similar or better properties is vital to its sustainability in the competitive global market. This research embarks on compositional analysis of the hard part of a weatherstrip seal product that surpassed customer's specification and development of a new formulation which incorporated ground calcium carbonate (GCC) as a secondary filler for cost reduction. Qualitative and quantitative analysis of the conformable rubber product were carried out using soxhlet extraction for extraction of the additives; and characterization techniques which include spectroscopic, chromatographic, X-ray diffraction and several thermal techniques. Test pieces from 8 new formulations were tested for their mechanical performance. Thermal analysis confirmed the presence of EPDM and carbon black in the compound. Fourier Transform Infrared (FTIR) and chromatographic analysis confirmed the processing oil in the compound to be of paraffinic origin. Presence of talc filler was proven by elemental analysis using X-ray Diffraction (XRD) and Energy Dispersive X-ray (EDX). Reformulation of the compounding ingredient with the incorporation of GCC were varied from 0 to 140 phr. At higher loading of GCC (40 to 140 phr), it shows an increase of hardness with the decrease of tensile strength, elongation at break and tear strength. Nevertheless, the mechanical properties of the new formulated vulcanizates (40 to 140 phr) were varied within customer's specification. It was also determined that the minimum amount of EPDM and CB allowed for significant contribution to the tensile and tear strength properties are 28.2 % each (equiv. to 100 phr GCC). Beyond this composition the effect is diluted by GCC. Estimation of product cost shows that an overall material cost reduction of 23.9 % are achievable at 35.5 wt % incorporation of GCC to the compound. 2015 Thesis https://ir.uitm.edu.my/id/eprint/17808/ https://ir.uitm.edu.my/id/eprint/17808/2/TM_FATIMAH%20ZUBER%20AS%2015_5.pdf text en public mphil masters Universiti Teknologi MARA Faculty of Applied Sciences
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
description Development of low cost products with similar or better properties is vital to its sustainability in the competitive global market. This research embarks on compositional analysis of the hard part of a weatherstrip seal product that surpassed customer's specification and development of a new formulation which incorporated ground calcium carbonate (GCC) as a secondary filler for cost reduction. Qualitative and quantitative analysis of the conformable rubber product were carried out using soxhlet extraction for extraction of the additives; and characterization techniques which include spectroscopic, chromatographic, X-ray diffraction and several thermal techniques. Test pieces from 8 new formulations were tested for their mechanical performance. Thermal analysis confirmed the presence of EPDM and carbon black in the compound. Fourier Transform Infrared (FTIR) and chromatographic analysis confirmed the processing oil in the compound to be of paraffinic origin. Presence of talc filler was proven by elemental analysis using X-ray Diffraction (XRD) and Energy Dispersive X-ray (EDX). Reformulation of the compounding ingredient with the incorporation of GCC were varied from 0 to 140 phr. At higher loading of GCC (40 to 140 phr), it shows an increase of hardness with the decrease of tensile strength, elongation at break and tear strength. Nevertheless, the mechanical properties of the new formulated vulcanizates (40 to 140 phr) were varied within customer's specification. It was also determined that the minimum amount of EPDM and CB allowed for significant contribution to the tensile and tear strength properties are 28.2 % each (equiv. to 100 phr GCC). Beyond this composition the effect is diluted by GCC. Estimation of product cost shows that an overall material cost reduction of 23.9 % are achievable at 35.5 wt % incorporation of GCC to the compound.
format Thesis
qualification_name Master of Philosophy (M.Phil.)
qualification_level Master's degree
author Zuber, Fatimah
spellingShingle Zuber, Fatimah
Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber
author_facet Zuber, Fatimah
author_sort Zuber, Fatimah
title Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber
title_short Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber
title_full Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber
title_fullStr Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber
title_full_unstemmed Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber
title_sort development of epdm-based high gcc loading weatherstrip seal vulcanizates / fatimah zuber
granting_institution Universiti Teknologi MARA
granting_department Faculty of Applied Sciences
publishDate 2015
url https://ir.uitm.edu.my/id/eprint/17808/2/TM_FATIMAH%20ZUBER%20AS%2015_5.pdf
_version_ 1783733604116856832

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