Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films

Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking feat...
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Autor*in:	Junyoung Park [verfasserIn] Nahee Kim [verfasserIn] Kevin Injoe Jung [verfasserIn] Soomin Yoon [verfasserIn] Seung Man Noh [verfasserIn] Joona Bang [verfasserIn] Hyun Wook Jung [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties

Übergeordnetes Werk:	In: Polymers - MDPI AG, 2011, 13(2021), 19, p 3296
Übergeordnetes Werk:	volume:13 ; year:2021 ; number:19, p 3296

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/polym13193296

Katalog-ID:	DOAJ054934753

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520			\|a Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications.
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allfields	10.3390/polym13193296 doi (DE-627)DOAJ054934753 (DE-599)DOAJ921a58b8e5be467ba03045d37db86015 DE-627 ger DE-627 rakwb eng QD241-441 Junyoung Park verfasserin aut Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications. silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties Organic chemistry Nahee Kim verfasserin aut Kevin Injoe Jung verfasserin aut Soomin Yoon verfasserin aut Seung Man Noh verfasserin aut Joona Bang verfasserin aut Hyun Wook Jung verfasserin aut In Polymers MDPI AG, 2011 13(2021), 19, p 3296 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:13 year:2021 number:19, p 3296 https://doi.org/10.3390/polym13193296 kostenfrei https://doaj.org/article/921a58b8e5be467ba03045d37db86015 kostenfrei https://www.mdpi.com/2073-4360/13/19/3296 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 13 2021 19, p 3296
spelling	10.3390/polym13193296 doi (DE-627)DOAJ054934753 (DE-599)DOAJ921a58b8e5be467ba03045d37db86015 DE-627 ger DE-627 rakwb eng QD241-441 Junyoung Park verfasserin aut Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications. silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties Organic chemistry Nahee Kim verfasserin aut Kevin Injoe Jung verfasserin aut Soomin Yoon verfasserin aut Seung Man Noh verfasserin aut Joona Bang verfasserin aut Hyun Wook Jung verfasserin aut In Polymers MDPI AG, 2011 13(2021), 19, p 3296 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:13 year:2021 number:19, p 3296 https://doi.org/10.3390/polym13193296 kostenfrei https://doaj.org/article/921a58b8e5be467ba03045d37db86015 kostenfrei https://www.mdpi.com/2073-4360/13/19/3296 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 13 2021 19, p 3296
allfields_unstemmed	10.3390/polym13193296 doi (DE-627)DOAJ054934753 (DE-599)DOAJ921a58b8e5be467ba03045d37db86015 DE-627 ger DE-627 rakwb eng QD241-441 Junyoung Park verfasserin aut Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications. silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties Organic chemistry Nahee Kim verfasserin aut Kevin Injoe Jung verfasserin aut Soomin Yoon verfasserin aut Seung Man Noh verfasserin aut Joona Bang verfasserin aut Hyun Wook Jung verfasserin aut In Polymers MDPI AG, 2011 13(2021), 19, p 3296 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:13 year:2021 number:19, p 3296 https://doi.org/10.3390/polym13193296 kostenfrei https://doaj.org/article/921a58b8e5be467ba03045d37db86015 kostenfrei https://www.mdpi.com/2073-4360/13/19/3296 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 13 2021 19, p 3296
allfieldsGer	10.3390/polym13193296 doi (DE-627)DOAJ054934753 (DE-599)DOAJ921a58b8e5be467ba03045d37db86015 DE-627 ger DE-627 rakwb eng QD241-441 Junyoung Park verfasserin aut Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications. silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties Organic chemistry Nahee Kim verfasserin aut Kevin Injoe Jung verfasserin aut Soomin Yoon verfasserin aut Seung Man Noh verfasserin aut Joona Bang verfasserin aut Hyun Wook Jung verfasserin aut In Polymers MDPI AG, 2011 13(2021), 19, p 3296 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:13 year:2021 number:19, p 3296 https://doi.org/10.3390/polym13193296 kostenfrei https://doaj.org/article/921a58b8e5be467ba03045d37db86015 kostenfrei https://www.mdpi.com/2073-4360/13/19/3296 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 13 2021 19, p 3296
allfieldsSound	10.3390/polym13193296 doi (DE-627)DOAJ054934753 (DE-599)DOAJ921a58b8e5be467ba03045d37db86015 DE-627 ger DE-627 rakwb eng QD241-441 Junyoung Park verfasserin aut Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications. silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties Organic chemistry Nahee Kim verfasserin aut Kevin Injoe Jung verfasserin aut Soomin Yoon verfasserin aut Seung Man Noh verfasserin aut Joona Bang verfasserin aut Hyun Wook Jung verfasserin aut In Polymers MDPI AG, 2011 13(2021), 19, p 3296 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:13 year:2021 number:19, p 3296 https://doi.org/10.3390/polym13193296 kostenfrei https://doaj.org/article/921a58b8e5be467ba03045d37db86015 kostenfrei https://www.mdpi.com/2073-4360/13/19/3296 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 13 2021 19, p 3296
language	English
source	In Polymers 13(2021), 19, p 3296 volume:13 year:2021 number:19, p 3296
sourceStr	In Polymers 13(2021), 19, p 3296 volume:13 year:2021 number:19, p 3296
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties Organic chemistry
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container_title	Polymers
authorswithroles_txt_mv	Junyoung Park @@aut@@ Nahee Kim @@aut@@ Kevin Injoe Jung @@aut@@ Soomin Yoon @@aut@@ Seung Man Noh @@aut@@ Joona Bang @@aut@@ Hyun Wook Jung @@aut@@
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callnumber-first	Q - Science
author	Junyoung Park
spellingShingle	Junyoung Park misc QD241-441 misc silica nanoparticles misc epoxy group misc PEG hydrogel misc UV crosslinking misc rheological properties misc surface properties misc Organic chemistry Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films
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topic_title	QD241-441 Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films silica nanoparticles epoxy group PEG hydrogel UV crosslinking rheological properties surface properties
topic	misc QD241-441 misc silica nanoparticles misc epoxy group misc PEG hydrogel misc UV crosslinking misc rheological properties misc surface properties misc Organic chemistry
topic_unstemmed	misc QD241-441 misc silica nanoparticles misc epoxy group misc PEG hydrogel misc UV crosslinking misc rheological properties misc surface properties misc Organic chemistry
topic_browse	misc QD241-441 misc silica nanoparticles misc epoxy group misc PEG hydrogel misc UV crosslinking misc rheological properties misc surface properties misc Organic chemistry
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title	Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films
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title_full	Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films
author_sort	Junyoung Park
journal	Polymers
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author_browse	Junyoung Park Nahee Kim Kevin Injoe Jung Soomin Yoon Seung Man Noh Joona Bang Hyun Wook Jung
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title_sort	effect of silica nanoparticles blocked with epoxy groups on the crosslinking and surface properties of peg hydrogel films
callnumber	QD241-441
title_auth	Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films
abstract	Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications.
abstractGer	Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications.
abstract_unstemmed	Silica nanoparticles (G-SiNPs) blocked with 3-glycidoxypropyl trimethoxysilane (GPTS) were newly applied to hydrogel films for improving film coating properties and to distribute the epoxy groups on the film surface. The effects of the content of epoxy-functionalized G-SiNPs on the crosslinking features by photo-induced radical polymerization and the surface mechanical properties of the hydrogel films containing poly(ethylene glycol) dimethacrylate (PEGDMA) and glycidyl methacrylate (GMA) were investigated. The real-time elastic modulus of various PEG hydrogel mixtures with prepared particles was monitored using a rotational rheometer. The distribution of epoxy groups on the crosslinked film surface was directly and indirectly estimated by the elemental analysis of Si and Br. The surface mechanical properties of various hydrogel films were measured by nano-indentation and nano-scratch tests. The relationship between the rheological and surface properties of PEG-based hydrogel films suggests that the use of small amounts of G-SiNPs enhances the surface hardness and crosslinked network of the film and uniformly distributes sufficient epoxy groups on the film surface for further coating applications.
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container_issue	19, p 3296
title_short	Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films
url	https://doi.org/10.3390/polym13193296 https://doaj.org/article/921a58b8e5be467ba03045d37db86015 https://www.mdpi.com/2073-4360/13/19/3296 https://doaj.org/toc/2073-4360
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doi_str	10.3390/polym13193296
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up_date	2024-07-04T01:10:28.342Z
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Effect of Silica Nanoparticles Blocked with Epoxy Groups on the Crosslinking and Surface Properties of PEG Hydrogel Films

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