Optimal photoinitiator concentration for light-cured dental resins

In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material propert...
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Autor*in:	Kun Wang [verfasserIn] Bei Li [verfasserIn] Ke Ni [verfasserIn] Zhengzhi Wang [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth

Übergeordnetes Werk:	In: Polymer Testing - Elsevier, 2021, 94(2021), Seite 107039-
Übergeordnetes Werk:	volume:94 ; year:2021 ; pages:107039-

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.polymertesting.2020.107039

Katalog-ID:	DOAJ057049831

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520			\|a In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins.
650		4	\|a Photopolymerization
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650		4	\|a Curing depth
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allfields	10.1016/j.polymertesting.2020.107039 doi (DE-627)DOAJ057049831 (DE-599)DOAJ25eed88ea90b4eba8863a4cd3be2f0b4 DE-627 ger DE-627 rakwb eng TP1080-1185 Kun Wang verfasserin aut Optimal photoinitiator concentration for light-cured dental resins 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins. Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth Polymers and polymer manufacture Bei Li verfasserin aut Ke Ni verfasserin aut Bei Li verfasserin aut Zhengzhi Wang verfasserin aut In Polymer Testing Elsevier, 2021 94(2021), Seite 107039- (DE-627)320530280 (DE-600)2015673-X 18732348 nnns volume:94 year:2021 pages:107039- https://doi.org/10.1016/j.polymertesting.2020.107039 kostenfrei https://doaj.org/article/25eed88ea90b4eba8863a4cd3be2f0b4 kostenfrei http://www.sciencedirect.com/science/article/pii/S0142941820322686 kostenfrei https://doaj.org/toc/0142-9418 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 94 2021 107039-
spelling	10.1016/j.polymertesting.2020.107039 doi (DE-627)DOAJ057049831 (DE-599)DOAJ25eed88ea90b4eba8863a4cd3be2f0b4 DE-627 ger DE-627 rakwb eng TP1080-1185 Kun Wang verfasserin aut Optimal photoinitiator concentration for light-cured dental resins 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins. Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth Polymers and polymer manufacture Bei Li verfasserin aut Ke Ni verfasserin aut Bei Li verfasserin aut Zhengzhi Wang verfasserin aut In Polymer Testing Elsevier, 2021 94(2021), Seite 107039- (DE-627)320530280 (DE-600)2015673-X 18732348 nnns volume:94 year:2021 pages:107039- https://doi.org/10.1016/j.polymertesting.2020.107039 kostenfrei https://doaj.org/article/25eed88ea90b4eba8863a4cd3be2f0b4 kostenfrei http://www.sciencedirect.com/science/article/pii/S0142941820322686 kostenfrei https://doaj.org/toc/0142-9418 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 94 2021 107039-
allfields_unstemmed	10.1016/j.polymertesting.2020.107039 doi (DE-627)DOAJ057049831 (DE-599)DOAJ25eed88ea90b4eba8863a4cd3be2f0b4 DE-627 ger DE-627 rakwb eng TP1080-1185 Kun Wang verfasserin aut Optimal photoinitiator concentration for light-cured dental resins 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins. Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth Polymers and polymer manufacture Bei Li verfasserin aut Ke Ni verfasserin aut Bei Li verfasserin aut Zhengzhi Wang verfasserin aut In Polymer Testing Elsevier, 2021 94(2021), Seite 107039- (DE-627)320530280 (DE-600)2015673-X 18732348 nnns volume:94 year:2021 pages:107039- https://doi.org/10.1016/j.polymertesting.2020.107039 kostenfrei https://doaj.org/article/25eed88ea90b4eba8863a4cd3be2f0b4 kostenfrei http://www.sciencedirect.com/science/article/pii/S0142941820322686 kostenfrei https://doaj.org/toc/0142-9418 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 94 2021 107039-
allfieldsGer	10.1016/j.polymertesting.2020.107039 doi (DE-627)DOAJ057049831 (DE-599)DOAJ25eed88ea90b4eba8863a4cd3be2f0b4 DE-627 ger DE-627 rakwb eng TP1080-1185 Kun Wang verfasserin aut Optimal photoinitiator concentration for light-cured dental resins 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins. Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth Polymers and polymer manufacture Bei Li verfasserin aut Ke Ni verfasserin aut Bei Li verfasserin aut Zhengzhi Wang verfasserin aut In Polymer Testing Elsevier, 2021 94(2021), Seite 107039- (DE-627)320530280 (DE-600)2015673-X 18732348 nnns volume:94 year:2021 pages:107039- https://doi.org/10.1016/j.polymertesting.2020.107039 kostenfrei https://doaj.org/article/25eed88ea90b4eba8863a4cd3be2f0b4 kostenfrei http://www.sciencedirect.com/science/article/pii/S0142941820322686 kostenfrei https://doaj.org/toc/0142-9418 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 94 2021 107039-
allfieldsSound	10.1016/j.polymertesting.2020.107039 doi (DE-627)DOAJ057049831 (DE-599)DOAJ25eed88ea90b4eba8863a4cd3be2f0b4 DE-627 ger DE-627 rakwb eng TP1080-1185 Kun Wang verfasserin aut Optimal photoinitiator concentration for light-cured dental resins 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins. Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth Polymers and polymer manufacture Bei Li verfasserin aut Ke Ni verfasserin aut Bei Li verfasserin aut Zhengzhi Wang verfasserin aut In Polymer Testing Elsevier, 2021 94(2021), Seite 107039- (DE-627)320530280 (DE-600)2015673-X 18732348 nnns volume:94 year:2021 pages:107039- https://doi.org/10.1016/j.polymertesting.2020.107039 kostenfrei https://doaj.org/article/25eed88ea90b4eba8863a4cd3be2f0b4 kostenfrei http://www.sciencedirect.com/science/article/pii/S0142941820322686 kostenfrei https://doaj.org/toc/0142-9418 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2088 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 AR 94 2021 107039-
language	English
source	In Polymer Testing 94(2021), Seite 107039- volume:94 year:2021 pages:107039-
sourceStr	In Polymer Testing 94(2021), Seite 107039- volume:94 year:2021 pages:107039-
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth Polymers and polymer manufacture
isfreeaccess_bool	true
container_title	Polymer Testing
authorswithroles_txt_mv	Kun Wang @@aut@@ Bei Li @@aut@@ Ke Ni @@aut@@ Zhengzhi Wang @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	320530280
id	DOAJ057049831
language_de	englisch
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callnumber-first	T - Technology
author	Kun Wang
spellingShingle	Kun Wang misc TP1080-1185 misc Photopolymerization misc Photoinitiator misc Conversion misc Mechanical properties misc Curing depth misc Polymers and polymer manufacture Optimal photoinitiator concentration for light-cured dental resins
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topic_title	TP1080-1185 Optimal photoinitiator concentration for light-cured dental resins Photopolymerization Photoinitiator Conversion Mechanical properties Curing depth
topic	misc TP1080-1185 misc Photopolymerization misc Photoinitiator misc Conversion misc Mechanical properties misc Curing depth misc Polymers and polymer manufacture
topic_unstemmed	misc TP1080-1185 misc Photopolymerization misc Photoinitiator misc Conversion misc Mechanical properties misc Curing depth misc Polymers and polymer manufacture
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title	Optimal photoinitiator concentration for light-cured dental resins
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title_full	Optimal photoinitiator concentration for light-cured dental resins
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title_sort	optimal photoinitiator concentration for light-cured dental resins
callnumber	TP1080-1185
title_auth	Optimal photoinitiator concentration for light-cured dental resins
abstract	In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins.
abstractGer	In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins.
abstract_unstemmed	In this paper, we study the optimal photoinitiator (camphorquinone, CQ) concentration for light-cured dental resins by combining such properties as the degree of conversion, mechanical properties, and curing depth (the depth at which the hardness is 80% of the surface hardness). The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. The presented study offers a method to determine the optimal photoinitiator concentration for light-cured resins and establishes the correlations between the photoinitiators, polymerization kinetics, and mechanical properties of the light-cured resins.
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title_short	Optimal photoinitiator concentration for light-cured dental resins
url	https://doi.org/10.1016/j.polymertesting.2020.107039 https://doaj.org/article/25eed88ea90b4eba8863a4cd3be2f0b4 http://www.sciencedirect.com/science/article/pii/S0142941820322686 https://doaj.org/toc/0142-9418
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doi_str	10.1016/j.polymertesting.2020.107039
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up_date	2024-07-04T00:06:41.766Z
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The material properties of the light-cured dental resins (Bis-GMA/TEGDMA in a mass ratio of 70:30) are characterized by in-situ near-infrared (NIR) spectroscopy and nanoindentation tests. Experimental results indicate that the degree of conversion (DC) and mechanical properties such as elastic modulus and hardness increase, while the curing depth decreases with the increase of CQ concentration. However, above a certain concentration (~0.5 wt%), these properties do not benefit from the further increasing CQ concentration because of potential self-annihilation between free radicals. 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Optimal photoinitiator concentration for light-cured dental resins

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