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Spectral, dyeing and antimicrobial properties of some monoazo naphthalimide dyes on polyamide

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Title Statement Spectral, dyeing and antimicrobial properties of some monoazo naphthalimide dyes on polyamide
 
Added Entry - Uncontrolled Name Shaki, H ; Amirkabir University of Technology
Gharanjig, K ; Institute for Color Science and Technology
Khosravi, A ; Amirkabir University of Technology
 
Uncontrolled Index Term Antimicrobial activity;Monoazo dyes;Nylon fabric;Polyamide;Spectral property
 
Summary, etc. <!--[if gte mso 9]><xml> <o:OfficeDocumentSettings> <o:RelyOnVML /> <o:AllowPNG /> </o:OfficeDocumentSettings> </xml><![endif]--> <p class="Abstract" style="text-align: justify;"><span lang="EN-GB">A series of monoazo disperse dyes based on naphthalimide has been applied on to the nylon fabrics. The build-up values and dyeing properties of these dyes, such as leveling, and wash, light and rub fastnesses on nylon fabrics have been assessed. The dyes N-2-aminomethylpyridine-1,8-naphthalimide- azo-4″-N,N-diethyl meta toluidine (<strong>A)</strong> and N-2-aminomethylpyridine-1,8-naphthalimide-azo-2″- acetylamino-4″- N,N- diethyl aniline (<strong>B) </strong>show higher build-up values on polyamide fabrics as compared to the dyes N-2-aminomethylpyridine-1,8-naphthalimide- azo- 4″- N-hydroxy ethyl-N- ethyl aniline (<strong>C)</strong> and N-2-aminomethylpyridine-1,8-naphthalimide- azo- 4″- N-hydroxy ethyl-N- ethyl aniline quaternized with 1- bromobutane (<strong>D)</strong>. All of the applied dyes exhibit excellent rub fastness, good wash fastness and moderate light fastness on nylon fabrics. In addition, the molar extinction coefficient, wavelengths of the maximum absorption and solvatochromism effects have also been studied using chloroform, toluene, and DMF as solvents. Positive solvatochromism occurs when toluene is replaced by DMF as solvent. The antimicrobial properties of dyed fabrics are evaluated against various bacteria; the dyed fabrics exhibit antimicrobial efficacy against both Gram-positive and Gram-negative bacteria.</span></p><p class="MsoNormal" style="margin-bottom: .0001pt; text-align: justify; line-height: 200%; mso-layout-grid-align: none; text-autospace: none;"> </p> <!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:TrackMoves /> <w:TrackFormatting /> <w:PunctuationKerning /> <w:ValidateAgainstSchemas /> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:DoNotPromoteQF /> <w:LidThemeOther>EN-US</w:LidThemeOther> <w:LidThemeAsian>X-NONE</w:LidThemeAsian> <w:LidThemeComplexScript>AR-SA</w:LidThemeComplexScript> <w:Compatibility> <w:BreakWrappedTables /> <w:SnapToGridInCell /> <w:WrapTextWithPunct /> <w:UseAsianBreakRules /> <w:DontGrowAutofit /> 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Publication, Distribution, Etc. Indian Journal of Fibre & Textile Research (IJFTR)
2016-02-23 14:27:31
 
Electronic Location and Access application/pdf
http://op.niscair.res.in/index.php/IJFTR/article/view/5565
 
Data Source Entry Indian Journal of Fibre & Textile Research (IJFTR); ##issue.vol## 40, ##issue.no## 4 (2015): Indian Journal of Fibre & Textile Research
 
Language Note en
 
Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJFTR/article/download/5565/13084
http://op.niscair.res.in/index.php/IJFTR/article/download/5565/13085
http://op.niscair.res.in/index.php/IJFTR/article/download/5565/13563
http://op.niscair.res.in/index.php/IJFTR/article/download/5565/13570
http://op.niscair.res.in/index.php/IJFTR/article/download/5565/15122
http://op.niscair.res.in/index.php/IJFTR/article/download/5565/15123