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Preparation of a Cationic Environment-Friendly Fixing Agent

机译：阳离子型环保固色剂的制备

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Initially waste feather protein was used to prepare a reactive cationic crosslinking modified agent, WLS, as a starting material which was used to prepare a quaternary ammonium type cationic environment-friendly fixing agent (named WLSPR) for dyeing cotton fabric with reactive dyes after solid colour processing. In this paper, the degree of staining on white cloth from colored cloth after a soaping process was assessed (by determination of the K/S value) as well as the washing fastness etc. as the evaluation indices. The optimum synthetic conditions of fixing agent WLSPR were determined, and the structure and properties of the additives characterised. The results show that the maximum absorption wavelength of the cationic protein fixing agent WLSPR is 195nm. Synthesis of the environment-friendly fixing agent WLSPR using optimum conditions can reduce white staining during soap washing, effectively improving the cotton fabric in terms of colour fastness to washing and rubbing fastness. Based on infrared spectral characterisation, it was confirmed that the protein-based cationic auxiliary additives were synthesised.
机译：最初，废羽毛蛋白用于制备反应性阳离子交联改性剂WLS，作为原料，用于制备季铵型阳离子型环保型固色剂（称为WLSPR），用于固色后用反应性染料对棉织物进行染色处理。在本文中，评估了肥皂处理后有色织物在白布上的沾污程度（通过确定K / S值）以及耐洗牢度等作为评价指标。确定了固色剂WLSPR的最佳合成条件，并表征了添加剂的结构和性能。结果表明，阳离子蛋白固定剂WLSPR的最大吸收波长为195nm。在最佳条件下合成环保型固色剂WLSPR可以减少肥皂洗涤过程中的白色污染，有效改善棉织物的耐洗色牢度和耐摩擦色牢度。基于红外光谱表征，证实了合成了基于蛋白质的阳离子辅助添加剂。

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