Saadia Riaz, Abdul Jabbar, Hina Siddiqui, Ambreen Sarwar, Idrees Bashir, M. Iqbal Choudhary
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引用次数: 0
摘要
尝试用一种双功能交联化合物--六亚甲基二异氰酸酯来改性棉和涤纶/棉(P/C)织物,使织物的纤维素部分与所选的分散染料共价连接。通过 ATR-FTIR、SEM-EDX、拉伸强度测试、吸水率测试和热重分析(TGA),对改性织物的化学成分、形态和强度进行了检测。结果验证了交联剂在中性条件下与纤维素织物的结合。交联纤维采用轧染-干固染色法,用市场上出售的带有氨基和/或羟基的分散染料进行染色。通过测量 K/S 值,分析改性纤维与未经处理的染色样品的色深对比。采用 ISO 标准协议对染色织物的牢度特性进行了研究。结果表明,改性织物具有良好的整体牢度。
Chemical Modification of Cellulose and Polyester/Cellulose Blended Fabric to Make It Disperse Dyeable: A Sustainable Approach to Achieve Dyeing of P/C Blend with Disperse Dyes
An attempt was made to modify the cotton and polyester/cotton (P/C) fabric with a bi-functional cross-linking compound, hexamethylene diisocyanate, to covalently link the cellulosic part of the fabric with the selected disperse dyes. The chemical composition, morphology, and strength of the modified fabric were examined by ATR–FTIR, SEM–EDX, tensile strength testing, water absorbency test, and thermogravimetric analysis (TGA). The results verified the binding of the cross-linker with the cellulose fabric under neutral conditions. The cross-linked fibers were dyed with commercially available disperse dyes bearing amino and/or hydroxyl groups by using the pad–dry–cure dyeing method. The K/S values were measured to analyze the depth of shade on the modified fibers in comparison with the respective untreated dyed samples. The fastness properties of the dyed fabrics were studied by employing ISO standard protocols. It was observed that the modified fabrics have a good overall fastness.
期刊介绍:
-Chemistry of Fiber Materials, Polymer Reactions and Synthesis-
Physical Properties of Fibers, Polymer Blends and Composites-
Fiber Spinning and Textile Processing, Polymer Physics, Morphology-
Colorants and Dyeing, Polymer Analysis and Characterization-
Chemical Aftertreatment of Textiles, Polymer Processing and Rheology-
Textile and Apparel Science, Functional Polymers