Question 13 (Textile Engineering & Fibre Science)
Out of the following, the one which is NOT a surfactant is
| (A) | Reducing agent |
| (B) | Wetting agent |
| (C) | Detergent |
| (D) | Dispersing agent |
[Show Answer]
A
Frequently Asked Questions | FAQs
What is the purpose of a surfactant?
Surfactants are commonly used in textile processing for a variety of purposes. The main purpose of surfactants in textiles is to help wet out and penetrate the fibers, yarns, or fabrics being processed, which can improve the effectiveness of subsequent processing steps such as dyeing or finishing.
Specifically, surfactants can be used in textile processing for the following purposes:
Wetting agents: Surfactants can be used as wetting agents to improve the ability of water to wet out and penetrate the fibers, yarns, or fabrics being processed. This can improve the effectiveness of subsequent processing steps such as dyeing or finishing.
Emulsifiers: Surfactants can be used as emulsifiers to help mix together immiscible substances, such as oil and water. This can be useful in textile processing for operations such as scouring, bleaching, or dyeing, where oil-based impurities need to be removed from fabrics or where oil-based dyes need to be emulsified and dispersed evenly throughout the fabric.
Foaming agents: Surfactants can be used as foaming agents to create a stable foam that can be used to clean fabrics or to apply chemical treatments such as sizing or finishing.
Lubricants: Surfactants can be used as lubricants to improve the performance of spinning, weaving, or knitting processes by reducing friction and increasing the smoothness of the fibers or yarns.
Overall, surfactants play an important role in textile processing by helping to wet out and penetrate the fibers, yarns, or fabrics being processed, and by improving the effectiveness of subsequent processing steps such as dyeing or finishing.