The solubility of disperse dyes and their mixture in supercritical carbon dioxide is an important property in study and development of supercritical fluid dyeing technology.In this study,solubilities of C.I.Disperse R...The solubility of disperse dyes and their mixture in supercritical carbon dioxide is an important property in study and development of supercritical fluid dyeing technology.In this study,solubilities of C.I.Disperse Red 73,C.I.Disperse Blue 183 and their mixture in supercritical CO2 are measured at temperatures from 343.2 to 383.2 K and pressures from 12 to 28 MPa with a static recirculation method.Under the experimental conditions for the binary(C.I.Disperse Red 73+CO2 or C.I.Disperse Blue 183+CO2) and ternary(C.I.Disperse Red 73+C.I.Disperse Blue 183+CO2) systems,the solubilities increase with pressure.The solubility of C.I.Disperse Blue 183 decreases with the increase of temperature when the pressure is lower than 16 MPa,and the trend is opposite when the pressure is higher than 16 MPa.However,there is no crossover pressure for C.I.Disperse Red 73.The solubilities are also affected by molecular polarity of dyes.The co-solvent effect exhibited in the dissolving process of mixed dyes promotes their dissolution in supercritical CO2.The experimental data of solubilities of C.I.Disperse Red 73,C.I.Disperse Blue 183,and their mixture are correlated with the Chrastil model and Mendez-Santiago/Teja model. The former is more accurate.展开更多
国际纺织品生态研究和检验协会(International Association for Research and Testing in the Field of Textile Ecology)于1992年发布Oeko-Tex标准100的有关纺织品中有毒物质的测试标准。以后陆续在1995年,1997年,1999年发布了修正版,...国际纺织品生态研究和检验协会(International Association for Research and Testing in the Field of Textile Ecology)于1992年发布Oeko-Tex标准100的有关纺织品中有毒物质的测试标准。以后陆续在1995年,1997年,1999年发布了修正版,并于1999年12月21日发布了2000年版,这个版本与过去几个版本有着明显的不同。近二年内已有详细报道。今年(2002年2月9日)发布了最新版本,该版内容与2000版本相比,又有许多处作了重大改变,本文对该版本全文披露报导,并分析与2000年版的差别。使有关行业不断跟踪掌握发达国家的“绿色技术壁垒”动态,作出调整,以利于我国纺织品积极参予国际竞争,顺利进入国际市场。展开更多
基金Supported by the Natural Science Foundation of Zhejiang Province（M203035）
文摘The solubility of disperse dyes and their mixture in supercritical carbon dioxide is an important property in study and development of supercritical fluid dyeing technology.In this study,solubilities of C.I.Disperse Red 73,C.I.Disperse Blue 183 and their mixture in supercritical CO2 are measured at temperatures from 343.2 to 383.2 K and pressures from 12 to 28 MPa with a static recirculation method.Under the experimental conditions for the binary(C.I.Disperse Red 73+CO2 or C.I.Disperse Blue 183+CO2) and ternary(C.I.Disperse Red 73+C.I.Disperse Blue 183+CO2) systems,the solubilities increase with pressure.The solubility of C.I.Disperse Blue 183 decreases with the increase of temperature when the pressure is lower than 16 MPa,and the trend is opposite when the pressure is higher than 16 MPa.However,there is no crossover pressure for C.I.Disperse Red 73.The solubilities are also affected by molecular polarity of dyes.The co-solvent effect exhibited in the dissolving process of mixed dyes promotes their dissolution in supercritical CO2.The experimental data of solubilities of C.I.Disperse Red 73,C.I.Disperse Blue 183,and their mixture are correlated with the Chrastil model and Mendez-Santiago/Teja model. The former is more accurate.
文摘国际纺织品生态研究和检验协会(International Association for Research and Testing in the Field of Textile Ecology)于1992年发布Oeko-Tex标准100的有关纺织品中有毒物质的测试标准。以后陆续在1995年,1997年,1999年发布了修正版,并于1999年12月21日发布了2000年版,这个版本与过去几个版本有着明显的不同。近二年内已有详细报道。今年(2002年2月9日)发布了最新版本,该版内容与2000版本相比,又有许多处作了重大改变,本文对该版本全文披露报导,并分析与2000年版的差别。使有关行业不断跟踪掌握发达国家的“绿色技术壁垒”动态,作出调整,以利于我国纺织品积极参予国际竞争,顺利进入国际市场。
