Zobrazeno 1 - 10
of 89
pro vyhledávání: '"S. SHAKRA"'
Publikováno v:
Al-Azhar Bulletin of Science. 25:51-62
The aim of this present study is to evaluate the performance and efficiency of dyeing of cotton, wool and polyamide from dry skin Allium cepa and henna fabrics with natural dyes obtained as extracts leaves. In recent years, an upsurge of interest in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9735221b42c2501ebca694f1ed66dd3
https://doi.org/10.21608/absb.2014.25182
https://doi.org/10.21608/absb.2014.25182
Publikováno v:
Al-Azhar Bulletin of Science- Basic Science Sector. 24:17-36
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ffca4db187467e46dd36e7224d25758
https://doi.org/10.21608/absb.2013.6406
https://doi.org/10.21608/absb.2013.6406
Publikováno v:
Al-Azhar Bulletin of Science- Basic Science Sector. 24:125-140
Azo disperse dyes Ia-f - Va-f were synthesized from corresponding amines, where IR and visible spectra were evaluated. The prepared dyes were used for dyeing polyester, polyester woolen type and wool fibres.A range of bright and leveled shade have be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4f129e0e6aad97c10d557e02ae5e38e1
https://doi.org/10.21608/absb.2013.6491
https://doi.org/10.21608/absb.2013.6491
Publikováno v:
Research Journal of Textile and Apparel. 16:139-147
New disazo and polyazo ureido reactive dyes incorporating different reactive systems were synthesized and applied to cotton fabric by the exhaust dyeing method. Different factors affecting the dye ability and fastness properties of such dyes are inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08996546cb25628994842b38399142a0
https://doi.org/10.1108/rjta-16-03-2012-b014
https://doi.org/10.1108/rjta-16-03-2012-b014
Publikováno v:
Bulletin of the Chemical Society of Japan. 67:1286-1289
The synthesis, spectral characteristics, and analytical application of 2,3-Dichloro-6-(3-carboxy-2-hydroxy-1-naphthylazo)quinoxaline (DCHNAQ) are described. A simple, rapid, selective, and sensitive spectrophotometric method for the determination of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5e668b49ec8106c971542d4b7b92843
https://doi.org/10.1246/bcsj.67.1286
https://doi.org/10.1246/bcsj.67.1286
Autor:
M. M. Abou Sekkina, S. Shakra
Publikováno v:
Polymer Photochemistry. 3:65-76
A number of selected monoazo derivatives were prepared and recrystallized from an appropriate solvent. Data have been taken on the behaviour of their spectra and dielectric properties before and after exposure to various gamma radiation doses (10 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8731f71b02004cf468a4bd1b610e1bb7
https://doi.org/10.1016/0144-2880(83)90045-3
https://doi.org/10.1016/0144-2880(83)90045-3
Autor:
S. Shakra, I.K. Hakim
Publikováno v:
Polymer Photochemistry. 6:125-133
Six monoazo dyes were prepared and recrystallized from the appropriate solvent. Their UV and visible spectra were measured. The dipole moments of these dyes were obtained from measurements of their static dielectric constants and refractive indices o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::487789fbb6c8fd47669442065bd9a00a
https://doi.org/10.1016/0144-2880(85)90019-3
https://doi.org/10.1016/0144-2880(85)90019-3
Publikováno v:
Polymer Photochemistry. 7:65-76
Fourteen vat dyes from a commercial source were used in this investigation. Their lightfastness was measured by (a) the Blue Scale, (b) the CIE system, and (c) the Hunter L,a,b scale. From the results obtained, it was found that the Hunter L,a,b scal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::206a9e370ea07a10f43b79decfe0a1c6
https://doi.org/10.1016/0144-2880(86)90040-0
https://doi.org/10.1016/0144-2880(86)90040-0
Publikováno v:
Angewandte Makromolekulare Chemie. 93:75-81
Characteristic fading curves of some monoazo dyes on polyester films were examined. The slopes of these curves were dependent upon both the physical as well as the chemical properties of the dyes. Only for those dyes, which were capable of forming in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df3395c1e51dbf43b9779d59eda58608
https://doi.org/10.1002/apmc.1981.050930108
https://doi.org/10.1002/apmc.1981.050930108
Publikováno v:
Angewandte Makromolekulare Chemie. 75:53-62
Dyeing of polyester materials with disperse dyes at a high temperature in the absence of carriers and at different ranges of dyebath pH was studied. It was found that the behaviour of the dye as well as the magnitude of dye uptake at different pH's a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::893bf25b94418f2cdfdd2b866a464c5c
https://doi.org/10.1002/apmc.1979.050750104
https://doi.org/10.1002/apmc.1979.050750104