ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE

Thermal comfort of wheelchairs still requires improvements, since users remain on the chair for as long as 12 h a day. Increased sweating makes the skin more susceptible to colonization by fungi and bacteria, and may cause pressure ulcers. In this sense, the microencapsulation of Phase-Change Materi...
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Gespeichert in:

Autor*in:	ELISA M. BERETTA [verfasserIn] WAGNER S. ROSSI [verfasserIn] WILSON KINDLEIN JR [verfasserIn] LIANE ROLDO [verfasserIn] TATIANA L. AVILA DE CAMPOS [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Eicosane microcapsules Flexible polyurethane foam Thermal comfort Wheelchair cushion effect Engineering design

Übergeordnetes Werk:	In: Journal of Engineering Science and Technology - Taylor's University, 2010, 11(2016), 12, Seite 1818-1834
Übergeordnetes Werk:	volume:11 ; year:2016 ; number:12 ; pages:1818-1834

Links:	Link aufrufen Link aufrufen Journal toc

Katalog-ID:	DOAJ038246031

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allfieldsGer	(DE-627)DOAJ038246031 (DE-599)DOAJ385bbe0230dd4edd9c0f9ae93ebd5746 DE-627 ger DE-627 rakwb eng TA1-2040 T1-995 ELISA M. BERETTA verfasserin aut ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Thermal comfort of wheelchairs still requires improvements, since users remain on the chair for as long as 12 h a day. Increased sweating makes the skin more susceptible to colonization by fungi and bacteria, and may cause pressure ulcers. In this sense, the microencapsulation of Phase-Change Materials (PCMs) may help to enhance wheelchair cushion comfort by regulating heat exchange. This study describes the production of PCM microcapsules and their application in flexible polyurethane foams after expansion, and assesses improvements in heat exchange. Microcapsules with eicosane core coated with melamine-formaldehyde were produced. Eicosane is a thermoregulation agent whose phase-change temperature is near that of the human body’s. Microcapsules were characterized by thermogravimetric analysis, differential scanning calorimetry, scanning electron microscopy, and Fourier transform infrared spectroscopy. Then, microcapsules were applied on polyurethane foams by vacuum filtration and high-pressure air gun. Samples were exposed to a heat source and analysed by infrared thermography. The results indicate that thermal load increased in samples treated with microcapsules, especially by pressure air gun, and show that it is possible to enhance thermal comfort in wheelchair seats. Thereby, this study contributes to enhance quality of life for wheelchair users, focusing on thermal comfort provided by cushion seats made from PU foam. Eicosane microcapsules Flexible polyurethane foam Thermal comfort Wheelchair cushion effect Engineering design Engineering (General). Civil engineering (General) Technology (General) WAGNER S. ROSSI verfasserin aut WILSON KINDLEIN JR verfasserin aut LIANE ROLDO verfasserin aut TATIANA L. AVILA DE CAMPOS verfasserin aut In Journal of Engineering Science and Technology Taylor's University, 2010 11(2016), 12, Seite 1818-1834 (DE-627)671660268 (DE-600)2636397-5 18234690 nnns volume:11 year:2016 number:12 pages:1818-1834 https://doaj.org/article/385bbe0230dd4edd9c0f9ae93ebd5746 kostenfrei http://jestec.taylors.edu.my/Vol%2011%20issue%2012%20December%202016/11_12_14.pdf kostenfrei https://doaj.org/toc/1823-4690 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2016 12 1818-1834
allfieldsSound	(DE-627)DOAJ038246031 (DE-599)DOAJ385bbe0230dd4edd9c0f9ae93ebd5746 DE-627 ger DE-627 rakwb eng TA1-2040 T1-995 ELISA M. BERETTA verfasserin aut ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Thermal comfort of wheelchairs still requires improvements, since users remain on the chair for as long as 12 h a day. Increased sweating makes the skin more susceptible to colonization by fungi and bacteria, and may cause pressure ulcers. In this sense, the microencapsulation of Phase-Change Materials (PCMs) may help to enhance wheelchair cushion comfort by regulating heat exchange. This study describes the production of PCM microcapsules and their application in flexible polyurethane foams after expansion, and assesses improvements in heat exchange. Microcapsules with eicosane core coated with melamine-formaldehyde were produced. Eicosane is a thermoregulation agent whose phase-change temperature is near that of the human body’s. Microcapsules were characterized by thermogravimetric analysis, differential scanning calorimetry, scanning electron microscopy, and Fourier transform infrared spectroscopy. Then, microcapsules were applied on polyurethane foams by vacuum filtration and high-pressure air gun. Samples were exposed to a heat source and analysed by infrared thermography. The results indicate that thermal load increased in samples treated with microcapsules, especially by pressure air gun, and show that it is possible to enhance thermal comfort in wheelchair seats. Thereby, this study contributes to enhance quality of life for wheelchair users, focusing on thermal comfort provided by cushion seats made from PU foam. Eicosane microcapsules Flexible polyurethane foam Thermal comfort Wheelchair cushion effect Engineering design Engineering (General). Civil engineering (General) Technology (General) WAGNER S. ROSSI verfasserin aut WILSON KINDLEIN JR verfasserin aut LIANE ROLDO verfasserin aut TATIANA L. AVILA DE CAMPOS verfasserin aut In Journal of Engineering Science and Technology Taylor's University, 2010 11(2016), 12, Seite 1818-1834 (DE-627)671660268 (DE-600)2636397-5 18234690 nnns volume:11 year:2016 number:12 pages:1818-1834 https://doaj.org/article/385bbe0230dd4edd9c0f9ae93ebd5746 kostenfrei http://jestec.taylors.edu.my/Vol%2011%20issue%2012%20December%202016/11_12_14.pdf kostenfrei https://doaj.org/toc/1823-4690 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2016 12 1818-1834
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callnumber-first	T - Technology
author	ELISA M. BERETTA
spellingShingle	ELISA M. BERETTA misc TA1-2040 misc T1-995 misc Eicosane microcapsules misc Flexible polyurethane foam misc Thermal comfort misc Wheelchair cushion effect misc Engineering design misc Engineering (General). Civil engineering (General) misc Technology (General) ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE
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topic	misc TA1-2040 misc T1-995 misc Eicosane microcapsules misc Flexible polyurethane foam misc Thermal comfort misc Wheelchair cushion effect misc Engineering design misc Engineering (General). Civil engineering (General) misc Technology (General)
topic_unstemmed	misc TA1-2040 misc T1-995 misc Eicosane microcapsules misc Flexible polyurethane foam misc Thermal comfort misc Wheelchair cushion effect misc Engineering design misc Engineering (General). Civil engineering (General) misc Technology (General)
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title	ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE
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title_full	ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE
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author_browse	ELISA M. BERETTA WAGNER S. ROSSI WILSON KINDLEIN JR LIANE ROLDO TATIANA L. AVILA DE CAMPOS
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author-letter	ELISA M. BERETTA
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title_sort	engineering design: eicosane microcapsules synthesis and application in polyurethane foams aiming to diminish wheelchair cushion effect on skin temperature
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title_auth	ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE
abstract	Thermal comfort of wheelchairs still requires improvements, since users remain on the chair for as long as 12 h a day. Increased sweating makes the skin more susceptible to colonization by fungi and bacteria, and may cause pressure ulcers. In this sense, the microencapsulation of Phase-Change Materials (PCMs) may help to enhance wheelchair cushion comfort by regulating heat exchange. This study describes the production of PCM microcapsules and their application in flexible polyurethane foams after expansion, and assesses improvements in heat exchange. Microcapsules with eicosane core coated with melamine-formaldehyde were produced. Eicosane is a thermoregulation agent whose phase-change temperature is near that of the human body’s. Microcapsules were characterized by thermogravimetric analysis, differential scanning calorimetry, scanning electron microscopy, and Fourier transform infrared spectroscopy. Then, microcapsules were applied on polyurethane foams by vacuum filtration and high-pressure air gun. Samples were exposed to a heat source and analysed by infrared thermography. The results indicate that thermal load increased in samples treated with microcapsules, especially by pressure air gun, and show that it is possible to enhance thermal comfort in wheelchair seats. Thereby, this study contributes to enhance quality of life for wheelchair users, focusing on thermal comfort provided by cushion seats made from PU foam.
abstractGer	Thermal comfort of wheelchairs still requires improvements, since users remain on the chair for as long as 12 h a day. Increased sweating makes the skin more susceptible to colonization by fungi and bacteria, and may cause pressure ulcers. In this sense, the microencapsulation of Phase-Change Materials (PCMs) may help to enhance wheelchair cushion comfort by regulating heat exchange. This study describes the production of PCM microcapsules and their application in flexible polyurethane foams after expansion, and assesses improvements in heat exchange. Microcapsules with eicosane core coated with melamine-formaldehyde were produced. Eicosane is a thermoregulation agent whose phase-change temperature is near that of the human body’s. Microcapsules were characterized by thermogravimetric analysis, differential scanning calorimetry, scanning electron microscopy, and Fourier transform infrared spectroscopy. Then, microcapsules were applied on polyurethane foams by vacuum filtration and high-pressure air gun. Samples were exposed to a heat source and analysed by infrared thermography. The results indicate that thermal load increased in samples treated with microcapsules, especially by pressure air gun, and show that it is possible to enhance thermal comfort in wheelchair seats. Thereby, this study contributes to enhance quality of life for wheelchair users, focusing on thermal comfort provided by cushion seats made from PU foam.
abstract_unstemmed	Thermal comfort of wheelchairs still requires improvements, since users remain on the chair for as long as 12 h a day. Increased sweating makes the skin more susceptible to colonization by fungi and bacteria, and may cause pressure ulcers. In this sense, the microencapsulation of Phase-Change Materials (PCMs) may help to enhance wheelchair cushion comfort by regulating heat exchange. This study describes the production of PCM microcapsules and their application in flexible polyurethane foams after expansion, and assesses improvements in heat exchange. Microcapsules with eicosane core coated with melamine-formaldehyde were produced. Eicosane is a thermoregulation agent whose phase-change temperature is near that of the human body’s. Microcapsules were characterized by thermogravimetric analysis, differential scanning calorimetry, scanning electron microscopy, and Fourier transform infrared spectroscopy. Then, microcapsules were applied on polyurethane foams by vacuum filtration and high-pressure air gun. Samples were exposed to a heat source and analysed by infrared thermography. The results indicate that thermal load increased in samples treated with microcapsules, especially by pressure air gun, and show that it is possible to enhance thermal comfort in wheelchair seats. Thereby, this study contributes to enhance quality of life for wheelchair users, focusing on thermal comfort provided by cushion seats made from PU foam.
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title_short	ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE
url	https://doaj.org/article/385bbe0230dd4edd9c0f9ae93ebd5746 http://jestec.taylors.edu.my/Vol%2011%20issue%2012%20December%202016/11_12_14.pdf https://doaj.org/toc/1823-4690
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ENGINEERING DESIGN: EICOSANE MICROCAPSULES SYNTHESIS AND APPLICATION IN POLYURETHANE FOAMS AIMING TO DIMINISH WHEELCHAIR CUSHION EFFECT ON SKIN TEMPERATURE

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