Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer

Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were use...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Mohit G Kheur [verfasserIn] Dilip Kakade [verfasserIn] Coward J Trevor [verfasserIn] Tabrez Amin Lakha [verfasserIn] Tania Sethi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	Color stability elastomers ultraviolet stabilizers

Übergeordnetes Werk:	In: The Journal of Indian Prosthodontic Society - Wolters Kluwer Medknow Publications, 2017, 17(2017), 4, Seite 395-400
Übergeordnetes Werk:	volume:17 ; year:2017 ; number:4 ; pages:395-400

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.4103/jips.jips_148_17

Katalog-ID:	DOAJ054811929

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allfields	10.4103/jips.jips_148_17 doi (DE-627)DOAJ054811929 (DE-599)DOAJ5bbcfe5f8861404ba5678326130e58a1 DE-627 ger DE-627 rakwb eng RK1-715 Mohit G Kheur verfasserin aut Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer. Color stability elastomers ultraviolet stabilizers Dentistry Dilip Kakade verfasserin aut Coward J Trevor verfasserin aut Tabrez Amin Lakha verfasserin aut Tania Sethi verfasserin aut In The Journal of Indian Prosthodontic Society Wolters Kluwer Medknow Publications, 2017 17(2017), 4, Seite 395-400 (DE-627)500020078 (DE-600)2202760-9 19984057 nnns volume:17 year:2017 number:4 pages:395-400 https://doi.org/10.4103/jips.jips_148_17 kostenfrei https://doaj.org/article/5bbcfe5f8861404ba5678326130e58a1 kostenfrei http://www.j-ips.org/article.asp?issn=0972-4052;year=2017;volume=17;issue=4;spage=395;epage=400;aulast=Kheur kostenfrei https://doaj.org/toc/0972-4052 Journal toc kostenfrei https://doaj.org/toc/1998-4057 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_73 GBV_ILN_74 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_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2522 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2017 4 395-400
spelling	10.4103/jips.jips_148_17 doi (DE-627)DOAJ054811929 (DE-599)DOAJ5bbcfe5f8861404ba5678326130e58a1 DE-627 ger DE-627 rakwb eng RK1-715 Mohit G Kheur verfasserin aut Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer. Color stability elastomers ultraviolet stabilizers Dentistry Dilip Kakade verfasserin aut Coward J Trevor verfasserin aut Tabrez Amin Lakha verfasserin aut Tania Sethi verfasserin aut In The Journal of Indian Prosthodontic Society Wolters Kluwer Medknow Publications, 2017 17(2017), 4, Seite 395-400 (DE-627)500020078 (DE-600)2202760-9 19984057 nnns volume:17 year:2017 number:4 pages:395-400 https://doi.org/10.4103/jips.jips_148_17 kostenfrei https://doaj.org/article/5bbcfe5f8861404ba5678326130e58a1 kostenfrei http://www.j-ips.org/article.asp?issn=0972-4052;year=2017;volume=17;issue=4;spage=395;epage=400;aulast=Kheur kostenfrei https://doaj.org/toc/0972-4052 Journal toc kostenfrei https://doaj.org/toc/1998-4057 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_73 GBV_ILN_74 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_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2522 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2017 4 395-400
allfields_unstemmed	10.4103/jips.jips_148_17 doi (DE-627)DOAJ054811929 (DE-599)DOAJ5bbcfe5f8861404ba5678326130e58a1 DE-627 ger DE-627 rakwb eng RK1-715 Mohit G Kheur verfasserin aut Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer. Color stability elastomers ultraviolet stabilizers Dentistry Dilip Kakade verfasserin aut Coward J Trevor verfasserin aut Tabrez Amin Lakha verfasserin aut Tania Sethi verfasserin aut In The Journal of Indian Prosthodontic Society Wolters Kluwer Medknow Publications, 2017 17(2017), 4, Seite 395-400 (DE-627)500020078 (DE-600)2202760-9 19984057 nnns volume:17 year:2017 number:4 pages:395-400 https://doi.org/10.4103/jips.jips_148_17 kostenfrei https://doaj.org/article/5bbcfe5f8861404ba5678326130e58a1 kostenfrei http://www.j-ips.org/article.asp?issn=0972-4052;year=2017;volume=17;issue=4;spage=395;epage=400;aulast=Kheur kostenfrei https://doaj.org/toc/0972-4052 Journal toc kostenfrei https://doaj.org/toc/1998-4057 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_73 GBV_ILN_74 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_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2522 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2017 4 395-400
allfieldsGer	10.4103/jips.jips_148_17 doi (DE-627)DOAJ054811929 (DE-599)DOAJ5bbcfe5f8861404ba5678326130e58a1 DE-627 ger DE-627 rakwb eng RK1-715 Mohit G Kheur verfasserin aut Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer. Color stability elastomers ultraviolet stabilizers Dentistry Dilip Kakade verfasserin aut Coward J Trevor verfasserin aut Tabrez Amin Lakha verfasserin aut Tania Sethi verfasserin aut In The Journal of Indian Prosthodontic Society Wolters Kluwer Medknow Publications, 2017 17(2017), 4, Seite 395-400 (DE-627)500020078 (DE-600)2202760-9 19984057 nnns volume:17 year:2017 number:4 pages:395-400 https://doi.org/10.4103/jips.jips_148_17 kostenfrei https://doaj.org/article/5bbcfe5f8861404ba5678326130e58a1 kostenfrei http://www.j-ips.org/article.asp?issn=0972-4052;year=2017;volume=17;issue=4;spage=395;epage=400;aulast=Kheur kostenfrei https://doaj.org/toc/0972-4052 Journal toc kostenfrei https://doaj.org/toc/1998-4057 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_73 GBV_ILN_74 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_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2522 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2017 4 395-400
allfieldsSound	10.4103/jips.jips_148_17 doi (DE-627)DOAJ054811929 (DE-599)DOAJ5bbcfe5f8861404ba5678326130e58a1 DE-627 ger DE-627 rakwb eng RK1-715 Mohit G Kheur verfasserin aut Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer. Color stability elastomers ultraviolet stabilizers Dentistry Dilip Kakade verfasserin aut Coward J Trevor verfasserin aut Tabrez Amin Lakha verfasserin aut Tania Sethi verfasserin aut In The Journal of Indian Prosthodontic Society Wolters Kluwer Medknow Publications, 2017 17(2017), 4, Seite 395-400 (DE-627)500020078 (DE-600)2202760-9 19984057 nnns volume:17 year:2017 number:4 pages:395-400 https://doi.org/10.4103/jips.jips_148_17 kostenfrei https://doaj.org/article/5bbcfe5f8861404ba5678326130e58a1 kostenfrei http://www.j-ips.org/article.asp?issn=0972-4052;year=2017;volume=17;issue=4;spage=395;epage=400;aulast=Kheur kostenfrei https://doaj.org/toc/0972-4052 Journal toc kostenfrei https://doaj.org/toc/1998-4057 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_73 GBV_ILN_74 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_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_2522 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_4338 GBV_ILN_4367 GBV_ILN_4700 AR 17 2017 4 395-400
language	English
source	In The Journal of Indian Prosthodontic Society 17(2017), 4, Seite 395-400 volume:17 year:2017 number:4 pages:395-400
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authorswithroles_txt_mv	Mohit G Kheur @@aut@@ Dilip Kakade @@aut@@ Coward J Trevor @@aut@@ Tabrez Amin Lakha @@aut@@ Tania Sethi @@aut@@
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author	Mohit G Kheur
spellingShingle	Mohit G Kheur misc RK1-715 misc Color stability misc elastomers misc ultraviolet stabilizers misc Dentistry Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer
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topic_title	RK1-715 Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer Color stability elastomers ultraviolet stabilizers
topic	misc RK1-715 misc Color stability misc elastomers misc ultraviolet stabilizers misc Dentistry
topic_unstemmed	misc RK1-715 misc Color stability misc elastomers misc ultraviolet stabilizers misc Dentistry
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title	Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer
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title_full	Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer
author_sort	Mohit G Kheur
journal	The Journal of Indian Prosthodontic Society
journalStr	The Journal of Indian Prosthodontic Society
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author_browse	Mohit G Kheur Dilip Kakade Coward J Trevor Tabrez Amin Lakha Tania Sethi
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author-letter	Mohit G Kheur
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title_sort	effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer
callnumber	RK1-715
title_auth	Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer
abstract	Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer.
abstractGer	Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer.
abstract_unstemmed	Aim and Objective: The aim and objective of the study is to evaluate effect of ultraviolet (UV) stabilizer (UV absorber Chimassorb 81) on color change of pigmented silicone elastomer when commercially available (red and yellow), and newly developed pigments (sicotrans red and sicopal brown) were used. Materials and Methods: Two commercially available pigments – red (P112 Brilliant Red) and yellow (P106 Yellow) and two newly developed pigments – sicotrans red and sicopal brown were studied. In total eight groups made up of nine samples each were fabricated using elastomer with the combinations of the above pigments and UV stabilizer (Chimassorb 81). Groups 1, 3, 5, and 7 contain elastomer in combination with sicotrans red, sicopal brown, yellow and red pigments, respectively. Similarly, groups 2, 4, 6, and 8 along with elastomer and pigments (sicotrans sed, sicopal brown, yellow and red, respectively) contain the UV stabilizer (Chimassorb 81). Samples were subjected to aging in an accelerated weathering chamber (Weather-Ometer). Color values CIE (Commission Internationale d'Eclairage) L, a, and b * were measured at baseline and after 1000 h of weathering. Change in color (Delta E) was calculated. Results: All groups showed a significant color change at 1000 h. Groups 1, 2, 3, and 4 showed a statistically significant less change in both colors (sico trans red and sicopal brown) compared to groups 5,6,7, and 8 (commercial pigments-Red and Yellow). Overall, the change in the color in groups with the UV stabilizer (Chimassorb) was less when compared to the groups where the stabilizer was not used. Conclusion: The newly developed pigment led to increased color stability as compared to commercially available pigments. Addition of UV stabilizer, Chimassorb led to a further reduction in color change of the pigmented elastomer.
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container_issue	4
title_short	Effect of newly developed pigments and ultraviolet absorbers on the color change of pigmented silicone elastomer
url	https://doi.org/10.4103/jips.jips_148_17 https://doaj.org/article/5bbcfe5f8861404ba5678326130e58a1 http://www.j-ips.org/article.asp?issn=0972-4052;year=2017;volume=17;issue=4;spage=395;epage=400;aulast=Kheur https://doaj.org/toc/0972-4052 https://doaj.org/toc/1998-4057
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author2	Dilip Kakade Coward J Trevor Tabrez Amin Lakha Tania Sethi
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up_date	2024-07-04T00:41:57.797Z
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