Utilization of Red Apple Peel Extract in Dyeing of Wool Fabric

ABSTRACT

The utilization of natural colorants in textile dyeing and printing has come to the forefront of production of textile goods. Extractions of natural dyes from waste materials and their utilization in coloration of textiles have positive impact economically and ecologically. In this study, red apple (Malus domestica) peel extract was used in dyeing of wool fabric in presence of mordant. Adopting pre-, meta-, and post-mordanting methods; four mordants were used; namely, Fe⁺², Cu⁺², Al⁺³, and Sn⁺², were used in dyeing of wool with red apple peel (RAP) extract. The effects of various dyeing conditions; namely, dye concentration, pH, time, and temperature of dyeing on the dyeability of wool with RAP extract were studied. The dyeing characteristics of the dyed wool fabrics were assessed by determination of their color strength and the CIELAB color system. The kinetics of dye adsorption were investigated at the assigned optimum dyeing condition. Results of this study proved that the dyeing operation of wool fabric with RAP extract fits well with a second-order reaction. Wool fabrics dyed using meta-mordanting method exhibited adequate to very good fastness properties against washing, rubbing, perspiration, and light.

摘要

天然着色剂在纺织印染中的应用已成为纺织品生产的前沿. 从废弃材料中提取天然染料并将其用于纺织品染色在经济和生态方面具有积极影响. 在本研究中, 红苹果 (Malus domestica) 果皮提取物用于在媒染剂存在下对羊毛织物进行染色. 采用前,中,后媒染方法; 使用四种媒染剂; 将Fe+2,Cu+2,Al+3和Sn+2用于红苹果皮提取物对羊毛的染色. 不同染色条件的影响; 即. 研究了染料浓度,pH值,染色时间和染色温度对RAP萃取羊毛染色性能的影响. 通过测定染色羊毛织物的颜色强度和CIELAB颜色系统, 评估了染色羊毛织物的染色特性. 在指定的最佳染色条件下, 研究了染料吸附动力学. 研究结果表明, RAP萃取物对羊毛织物的染色符合二级反应. 用媒染法染色的羊毛织物具有良好的耐洗,耐摩擦,耐汗渍和耐光牢度.

KEYWORDS:

• Wool
• apple peel
• dyeing
• mordant
• kinetic
• fabric

关键词:

• 羊毛
• 苹果皮
• 染色
• 媒染剂
• 动力学
• 织物

Disclosure statement

No potential conflict of interest was reported by the author(s).

Research highlights

• This manuscript proposes a new method for coloration of wool fabric with natural dyes extracted from red apple peels in presence of mordants.

• The dyeing operation of wool fabric with RAP extract fits well with a second-order reaction.

• The dyed fabrics have adequate to very good fastness properties toward washing, light, rubbing, and perspiration.