Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses

Microcrystalline cellulose (MCC) was surface modified by two approaches, namely a plasma treatment in liquid using a Y-shaped tube for oxygen flow (MCC-P) and a TEMPO mediated oxidation (MCC-T). Both treatments led to the surface functionalization of cellulose as illustrated by FTIR and XPS results....
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Denis Mihaela Panaitescu [verfasserIn] Sorin Vizireanu [verfasserIn] Sergiu Alexandru Stoian [verfasserIn] Cristian-Andi Nicolae [verfasserIn] Augusta Raluca Gabor [verfasserIn] Celina Maria Damian [verfasserIn] Roxana Trusca [verfasserIn] Lavinia Gabriela Carpen [verfasserIn] Gheorghe Dinescu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	cellulose plasma in liquids polyhydroxyalkanoate polymer composites thermal properties DMA

Übergeordnetes Werk:	In: Polymers - MDPI AG, 2011, 12(2020), 7, p 1510
Übergeordnetes Werk:	volume:12 ; year:2020 ; number:7, p 1510

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/polym12071510

Katalog-ID:	DOAJ00957848X

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520			\|a Microcrystalline cellulose (MCC) was surface modified by two approaches, namely a plasma treatment in liquid using a Y-shaped tube for oxygen flow (MCC-P) and a TEMPO mediated oxidation (MCC-T). Both treatments led to the surface functionalization of cellulose as illustrated by FTIR and XPS results. However, TEMPO oxidation had a much stronger oxidizing effect, leading to a decrease of the thermal stability of MCC by 80 °C. Plasma and TEMPO modified celluloses were incorporated in a poly(3-hydroxybutyrate) (PHB) matrix and they influenced the morphology, thermal, and mechanical properties of the composites (PHB-MCC-P and PHB-MCC-T) differently. However, both treatments were efficient in improving the fiber–polymer interface and the mechanical properties, with an increase of the storage modulus of composites by 184% for PHB-MCC-P and 167% for PHB-MCC-T at room temperature. The highest increase of the mechanical properties was observed in the composite containing plasma modified cellulose although TEMPO oxidation induced a much stronger surface modification of cellulose. This was due to the adverse effect of more advanced degradation in this last case. The results showed that Y-shaped plasma jet oxidation of cellulose water suspensions is a simple and cheap treatment and a promising method of cellulose functionalization for PHB and other biopolymer reinforcements.
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spelling	10.3390/polym12071510 doi (DE-627)DOAJ00957848X (DE-599)DOAJcb2b9848d2fb42459a9b2591000b8291 DE-627 ger DE-627 rakwb eng QD241-441 Denis Mihaela Panaitescu verfasserin aut Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Microcrystalline cellulose (MCC) was surface modified by two approaches, namely a plasma treatment in liquid using a Y-shaped tube for oxygen flow (MCC-P) and a TEMPO mediated oxidation (MCC-T). Both treatments led to the surface functionalization of cellulose as illustrated by FTIR and XPS results. However, TEMPO oxidation had a much stronger oxidizing effect, leading to a decrease of the thermal stability of MCC by 80 °C. Plasma and TEMPO modified celluloses were incorporated in a poly(3-hydroxybutyrate) (PHB) matrix and they influenced the morphology, thermal, and mechanical properties of the composites (PHB-MCC-P and PHB-MCC-T) differently. However, both treatments were efficient in improving the fiber–polymer interface and the mechanical properties, with an increase of the storage modulus of composites by 184% for PHB-MCC-P and 167% for PHB-MCC-T at room temperature. The highest increase of the mechanical properties was observed in the composite containing plasma modified cellulose although TEMPO oxidation induced a much stronger surface modification of cellulose. This was due to the adverse effect of more advanced degradation in this last case. The results showed that Y-shaped plasma jet oxidation of cellulose water suspensions is a simple and cheap treatment and a promising method of cellulose functionalization for PHB and other biopolymer reinforcements. cellulose plasma in liquids polyhydroxyalkanoate polymer composites thermal properties DMA Organic chemistry Sorin Vizireanu verfasserin aut Sergiu Alexandru Stoian verfasserin aut Cristian-Andi Nicolae verfasserin aut Augusta Raluca Gabor verfasserin aut Celina Maria Damian verfasserin aut Roxana Trusca verfasserin aut Lavinia Gabriela Carpen verfasserin aut Gheorghe Dinescu verfasserin aut In Polymers MDPI AG, 2011 12(2020), 7, p 1510 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:12 year:2020 number:7, p 1510 https://doi.org/10.3390/polym12071510 kostenfrei https://doaj.org/article/cb2b9848d2fb42459a9b2591000b8291 kostenfrei https://www.mdpi.com/2073-4360/12/7/1510 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 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 12 2020 7, p 1510
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language	English
source	In Polymers 12(2020), 7, p 1510 volume:12 year:2020 number:7, p 1510
sourceStr	In Polymers 12(2020), 7, p 1510 volume:12 year:2020 number:7, p 1510
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topic_facet	cellulose plasma in liquids polyhydroxyalkanoate polymer composites thermal properties DMA Organic chemistry
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container_title	Polymers
authorswithroles_txt_mv	Denis Mihaela Panaitescu @@aut@@ Sorin Vizireanu @@aut@@ Sergiu Alexandru Stoian @@aut@@ Cristian-Andi Nicolae @@aut@@ Augusta Raluca Gabor @@aut@@ Celina Maria Damian @@aut@@ Roxana Trusca @@aut@@ Lavinia Gabriela Carpen @@aut@@ Gheorghe Dinescu @@aut@@
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callnumber-first	Q - Science
author	Denis Mihaela Panaitescu
spellingShingle	Denis Mihaela Panaitescu misc QD241-441 misc cellulose misc plasma in liquids misc polyhydroxyalkanoate misc polymer composites misc thermal properties misc DMA misc Organic chemistry Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses
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topic_title	QD241-441 Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses cellulose plasma in liquids polyhydroxyalkanoate polymer composites thermal properties DMA
topic	misc QD241-441 misc cellulose misc plasma in liquids misc polyhydroxyalkanoate misc polymer composites misc thermal properties misc DMA misc Organic chemistry
topic_unstemmed	misc QD241-441 misc cellulose misc plasma in liquids misc polyhydroxyalkanoate misc polymer composites misc thermal properties misc DMA misc Organic chemistry
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title	Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses
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title_full	Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses
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author_browse	Denis Mihaela Panaitescu Sorin Vizireanu Sergiu Alexandru Stoian Cristian-Andi Nicolae Augusta Raluca Gabor Celina Maria Damian Roxana Trusca Lavinia Gabriela Carpen Gheorghe Dinescu
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title_sort	poly(3-hydroxybutyrate) modified by plasma and tempo-oxidized celluloses
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title_auth	Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses
abstract	Microcrystalline cellulose (MCC) was surface modified by two approaches, namely a plasma treatment in liquid using a Y-shaped tube for oxygen flow (MCC-P) and a TEMPO mediated oxidation (MCC-T). Both treatments led to the surface functionalization of cellulose as illustrated by FTIR and XPS results. However, TEMPO oxidation had a much stronger oxidizing effect, leading to a decrease of the thermal stability of MCC by 80 °C. Plasma and TEMPO modified celluloses were incorporated in a poly(3-hydroxybutyrate) (PHB) matrix and they influenced the morphology, thermal, and mechanical properties of the composites (PHB-MCC-P and PHB-MCC-T) differently. However, both treatments were efficient in improving the fiber–polymer interface and the mechanical properties, with an increase of the storage modulus of composites by 184% for PHB-MCC-P and 167% for PHB-MCC-T at room temperature. The highest increase of the mechanical properties was observed in the composite containing plasma modified cellulose although TEMPO oxidation induced a much stronger surface modification of cellulose. This was due to the adverse effect of more advanced degradation in this last case. The results showed that Y-shaped plasma jet oxidation of cellulose water suspensions is a simple and cheap treatment and a promising method of cellulose functionalization for PHB and other biopolymer reinforcements.
abstractGer	Microcrystalline cellulose (MCC) was surface modified by two approaches, namely a plasma treatment in liquid using a Y-shaped tube for oxygen flow (MCC-P) and a TEMPO mediated oxidation (MCC-T). Both treatments led to the surface functionalization of cellulose as illustrated by FTIR and XPS results. However, TEMPO oxidation had a much stronger oxidizing effect, leading to a decrease of the thermal stability of MCC by 80 °C. Plasma and TEMPO modified celluloses were incorporated in a poly(3-hydroxybutyrate) (PHB) matrix and they influenced the morphology, thermal, and mechanical properties of the composites (PHB-MCC-P and PHB-MCC-T) differently. However, both treatments were efficient in improving the fiber–polymer interface and the mechanical properties, with an increase of the storage modulus of composites by 184% for PHB-MCC-P and 167% for PHB-MCC-T at room temperature. The highest increase of the mechanical properties was observed in the composite containing plasma modified cellulose although TEMPO oxidation induced a much stronger surface modification of cellulose. This was due to the adverse effect of more advanced degradation in this last case. The results showed that Y-shaped plasma jet oxidation of cellulose water suspensions is a simple and cheap treatment and a promising method of cellulose functionalization for PHB and other biopolymer reinforcements.
abstract_unstemmed	Microcrystalline cellulose (MCC) was surface modified by two approaches, namely a plasma treatment in liquid using a Y-shaped tube for oxygen flow (MCC-P) and a TEMPO mediated oxidation (MCC-T). Both treatments led to the surface functionalization of cellulose as illustrated by FTIR and XPS results. However, TEMPO oxidation had a much stronger oxidizing effect, leading to a decrease of the thermal stability of MCC by 80 °C. Plasma and TEMPO modified celluloses were incorporated in a poly(3-hydroxybutyrate) (PHB) matrix and they influenced the morphology, thermal, and mechanical properties of the composites (PHB-MCC-P and PHB-MCC-T) differently. However, both treatments were efficient in improving the fiber–polymer interface and the mechanical properties, with an increase of the storage modulus of composites by 184% for PHB-MCC-P and 167% for PHB-MCC-T at room temperature. The highest increase of the mechanical properties was observed in the composite containing plasma modified cellulose although TEMPO oxidation induced a much stronger surface modification of cellulose. This was due to the adverse effect of more advanced degradation in this last case. The results showed that Y-shaped plasma jet oxidation of cellulose water suspensions is a simple and cheap treatment and a promising method of cellulose functionalization for PHB and other biopolymer reinforcements.
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title_short	Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses
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Poly(3-hydroxybutyrate) Modified by Plasma and TEMPO-Oxidized Celluloses

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