Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density Polyethylene

The recycling of waste polyurethane (PU) using radiation-induced grafting was investigated. The grafting of waste PU onto a high-density polyethylene (HDPE) matrix was carried out using a radiation technique with maleic anhydride (MAH). HDPE pellets and PU powders were immersed in a MAH-acetone solu...

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Main Authors: Jong-Seok Park, Youn-Mook Lim, Young-Chang Nho
Format: Article
Language:English
Published: MDPI AG 2015-12-01
Series:Materials
Subjects:
Online Access:http://www.mdpi.com/1996-1944/9/1/13
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author Jong-Seok Park
Youn-Mook Lim
Young-Chang Nho
author_facet Jong-Seok Park
Youn-Mook Lim
Young-Chang Nho
author_sort Jong-Seok Park
collection DOAJ
description The recycling of waste polyurethane (PU) using radiation-induced grafting was investigated. The grafting of waste PU onto a high-density polyethylene (HDPE) matrix was carried out using a radiation technique with maleic anhydride (MAH). HDPE pellets and PU powders were immersed in a MAH-acetone solution. Finally, the prepared mixtures were irradiated with an electron beam accelerator. The grafted composites were characterized by Fourier transformed infrared spectroscopy (FT-IR), surface morphology, and mechanical properties. To make a good composite, the improvement in compatibility between HDPE and PU is an important factor. Radiation-induced grafting increased interfacial adhesion between the PU domain and the HDPE matrix. When the absorbed dose was 75 kGy, the surface morphology of the irradiated PU/HDPE composite was nearly a smooth and single phase, and the elongation at break increased by approximately three times compared with that of non-irradiated PU/HDPE composite.
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spelling doaj.art-7f6098ad1f6844e19f3a5cff86fd7d572022-12-22T03:54:53ZengMDPI AGMaterials1996-19442015-12-01911310.3390/ma9010013ma9010013Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density PolyethyleneJong-Seok Park0Youn-Mook Lim1Young-Chang Nho2Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute, 1266 Sinjeong-dong, Jeongeup-si, Jeollabuk-do 580-185, KoreaRadiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute, 1266 Sinjeong-dong, Jeongeup-si, Jeollabuk-do 580-185, KoreaRadiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute, 1266 Sinjeong-dong, Jeongeup-si, Jeollabuk-do 580-185, KoreaThe recycling of waste polyurethane (PU) using radiation-induced grafting was investigated. The grafting of waste PU onto a high-density polyethylene (HDPE) matrix was carried out using a radiation technique with maleic anhydride (MAH). HDPE pellets and PU powders were immersed in a MAH-acetone solution. Finally, the prepared mixtures were irradiated with an electron beam accelerator. The grafted composites were characterized by Fourier transformed infrared spectroscopy (FT-IR), surface morphology, and mechanical properties. To make a good composite, the improvement in compatibility between HDPE and PU is an important factor. Radiation-induced grafting increased interfacial adhesion between the PU domain and the HDPE matrix. When the absorbed dose was 75 kGy, the surface morphology of the irradiated PU/HDPE composite was nearly a smooth and single phase, and the elongation at break increased by approximately three times compared with that of non-irradiated PU/HDPE composite.http://www.mdpi.com/1996-1944/9/1/13wastepolyurethaneradiation graftingrecyclingpolyethylene
spellingShingle Jong-Seok Park
Youn-Mook Lim
Young-Chang Nho
Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density Polyethylene
Materials
waste
polyurethane
radiation grafting
recycling
polyethylene
title Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density Polyethylene
title_full Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density Polyethylene
title_fullStr Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density Polyethylene
title_full_unstemmed Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density Polyethylene
title_short Radiation-Induced Grafting with One-Step Process of Waste Polyurethane onto High-Density Polyethylene
title_sort radiation induced grafting with one step process of waste polyurethane onto high density polyethylene
topic waste
polyurethane
radiation grafting
recycling
polyethylene
url http://www.mdpi.com/1996-1944/9/1/13
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AT younmooklim radiationinducedgraftingwithonestepprocessofwastepolyurethaneontohighdensitypolyethylene
AT youngchangnho radiationinducedgraftingwithonestepprocessofwastepolyurethaneontohighdensitypolyethylene