Anionic softener is not so used as cationic softener. Anionic softener is applied on cellulosic and its blend textile materials.
Properties of Anionic Softener: Properties of anionic softener are given below.
- Anionic softener is applied on cellulose and its blend.
- Anionic softener is not permanent and not fast to repeated washing.
- It is not stable in hard water.
- It has not enough affinity to cellulose.
- Examples of anionic softener is oil, fat, wax, soap, sulphated and sulphonated oils and sulphated fatty alcohol.
Methods of Application: Anionic softener is applied on the fabric by the following way.
- Fad – dry – calender
- Exhaust Method (Jigger / Winch)
Advantages And Disadvantages Of Anionic Softener: The advantages and disadvantages of anionic softener are given below.
Advantages Of Anionic Softener:
- Anionic softener is compatible with direct dyes, optical brightener, starch, resigns etc.
Disadvantages Of Anionic Softener:
- Anionic softener gives temporary finish on the textile materials.
- It gives poor softness.
- Because of less substantively, wastages become high.
Uses of Anionic Softener: Anionic softener is used in the following cases.
- Anionic softener is used to modify the softness of resin treated fabrics.
- Anionic softener is used as the lubricant for fiber during carding and drawing in spinning.
Anionic softener has lots of limitation for this reason its application area is smaller than cationic softener or nonionic softener.
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