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Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends

S. M. Al-Salem, M. H. Behbehani, A. Al-Hazza’a, J. C. Arnold, S. M. Alston, A. A. Al-Rowaih, F. Asiri, S. F. Al-Rowaih, H. Karam, Cris Arnold Orcid Logo, Sue Alston Orcid Logo

Journal of Material Cycles and Waste Management

Swansea University Authors: Cris Arnold Orcid Logo, Sue Alston Orcid Logo

Abstract

In this study, the properties of virgin linear low-density polyethylene (LLDPE) and its blends with reclaimed plastic solid waste (PSW) are investigated by thermogravimetry, differential scanning calorimetry (DSC), infrared spectroscopy and scanning electron microscopy (SEM). The PSW constituted pol...

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Published in: Journal of Material Cycles and Waste Management
ISSN: 1438-4957 1611-8227
Published: 2019
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URI: https://cronfa.swan.ac.uk/Record/cronfa50451
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spelling 2019-07-02T11:57:39.4397998 v2 50451 2019-05-20 Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends 9f36b5062fc7093b5cbfc547cf452709 0000-0002-8937-1355 Cris Arnold Cris Arnold true false 031a3fc4df0b3c95331bd0fcef5cf708 0000-0003-0496-3296 Sue Alston Sue Alston true false 2019-05-20 GENG In this study, the properties of virgin linear low-density polyethylene (LLDPE) and its blends with reclaimed plastic solid waste (PSW) are investigated by thermogravimetry, differential scanning calorimetry (DSC), infrared spectroscopy and scanning electron microscopy (SEM). The PSW constituted polyolefin (PO) polymers recycled mechanically via extrusion/blown-film and exposed to accelerated weathering tests to determine the change in their degradation behaviour. The oxidation products determined using the FTIR analysis and thermal stability studies points toward the blend constituting 25% of waste by weight as the most stable. Changes in crystallinity of the polymers were attributed to the crystal size change as a consequence of the weathering mechanism. The DSC results revealed that both oxidation induction temperature (OIT) and crystallinity were affected by the PO waste content. This points towards the impact of polymers immiscibility and polydispersity within the matrix of the blends due to chain scission reaction and oxidation with the UV exposure. Journal Article Journal of Material Cycles and Waste Management 1438-4957 1611-8227 Weathering, FTIR, Waste, Polyolefin, Crystallinity 31 12 2019 2019-12-31 10.1007/s10163-019-00868-8 COLLEGE NANME General Engineering COLLEGE CODE GENG Swansea University 2019-07-02T11:57:39.4397998 2019-05-20T09:33:59.4297668 College of Engineering Engineering S. M. Al-Salem 1 M. H. Behbehani 2 A. Al-Hazza’a 3 J. C. Arnold 4 S. M. Alston 5 A. A. Al-Rowaih 6 F. Asiri 7 S. F. Al-Rowaih 8 H. Karam 9 Cris Arnold 0000-0002-8937-1355 10 Sue Alston 0000-0003-0496-3296 11 0050451-02072019115713.pdf Al-Salem2019v2.pdf 2019-07-02T11:57:13.1300000 Output 1279748 application/pdf Accepted Manuscript true 2020-05-04T00:00:00.0000000 false eng
title Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends
spellingShingle Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends
Cris, Arnold
Sue, Alston
title_short Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends
title_full Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends
title_fullStr Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends
title_full_unstemmed Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends
title_sort Study of the degradation profile for virgin linear low-density polyethylene (LLDPE) and polyolefin (PO) plastic waste blends
author_id_str_mv 9f36b5062fc7093b5cbfc547cf452709
031a3fc4df0b3c95331bd0fcef5cf708
author_id_fullname_str_mv 9f36b5062fc7093b5cbfc547cf452709_***_Cris, Arnold_***_0000-0002-8937-1355
031a3fc4df0b3c95331bd0fcef5cf708_***_Sue, Alston_***_0000-0003-0496-3296
author Cris, Arnold
Sue, Alston
author2 S. M. Al-Salem
M. H. Behbehani
A. Al-Hazza’a
J. C. Arnold
S. M. Alston
A. A. Al-Rowaih
F. Asiri
S. F. Al-Rowaih
H. Karam
Cris Arnold
Sue Alston
format Journal article
container_title Journal of Material Cycles and Waste Management
publishDate 2019
institution Swansea University
issn 1438-4957
1611-8227
doi_str_mv 10.1007/s10163-019-00868-8
college_str College of Engineering
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hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
active_str 0
description In this study, the properties of virgin linear low-density polyethylene (LLDPE) and its blends with reclaimed plastic solid waste (PSW) are investigated by thermogravimetry, differential scanning calorimetry (DSC), infrared spectroscopy and scanning electron microscopy (SEM). The PSW constituted polyolefin (PO) polymers recycled mechanically via extrusion/blown-film and exposed to accelerated weathering tests to determine the change in their degradation behaviour. The oxidation products determined using the FTIR analysis and thermal stability studies points toward the blend constituting 25% of waste by weight as the most stable. Changes in crystallinity of the polymers were attributed to the crystal size change as a consequence of the weathering mechanism. The DSC results revealed that both oxidation induction temperature (OIT) and crystallinity were affected by the PO waste content. This points towards the impact of polymers immiscibility and polydispersity within the matrix of the blends due to chain scission reaction and oxidation with the UV exposure.
published_date 2019-12-31T04:16:21Z
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