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:	http://ir.uitm.edu.my/id/eprint/17808/ http://ir.uitm.edu.my/id/eprint/17808/2/TM_FATIMAH%20ZUBER%20AS%2015_5.pdf

id	uitm-17808
recordtype	eprints
spelling	uitm-178082018-10-18T06:36:25Z http://ir.uitm.edu.my/id/eprint/17808/ Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber 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 NonPeerReviewed text en http://ir.uitm.edu.my/id/eprint/17808/2/TM_FATIMAH%20ZUBER%20AS%2015_5.pdf Zuber, Fatimah (2015) Development of EPDM-based high GCC loading weatherstrip seal vulcanizates / Fatimah Zuber. Masters thesis, Universiti Teknologi MARA.
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Teknologi MARA
building	UiTM Institutional Repository
collection	Online Access
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
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
publishDate	2015
url	http://ir.uitm.edu.my/id/eprint/17808/ http://ir.uitm.edu.my/id/eprint/17808/2/TM_FATIMAH%20ZUBER%20AS%2015_5.pdf
first_indexed	2023-09-18T22:59:07Z
last_indexed	2023-09-18T22:59:07Z
_version_	1777418053636587520

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

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