Oils, waxes, and fats are all types of lipids, which are organic compounds that are insoluble in water but soluble in organic solvents such as ether, chloroform, and benzene. These compounds are present in different fibers and play important roles in their properties and characteristics.
Chemistry & properties of Oils
Here are some general characteristics of the oils present in different fibers:
Oil in cotton fiber
Cotton fibers contain a small amount of natural oil that is composed of fatty acids, glycerides, and other lipids. These oils contribute to the strength, flexibility, and water resistance of the fibers. Cottonseed oil, which is derived from cotton seeds, is used in a variety of industrial and food applications due to its high level of unsaturated fatty acids and antioxidants.
Oil in wool fiber
Wool fibers contain natural oil that is secreted by the sebaceous glands of sheep. These oils contribute to the softness, flexibility, and water resistance of the fibers. Wool oil is also used in various industrial and cosmetic applications due to its emollient and moisturizing properties.
Oil in silk fiber
Silk fibers also contain natural oil, which is composed of a mixture of fatty acids, phospholipids, and cholesterol. These oils contribute to the strength, flexibility, and water resistance of the fibers. Silk oil is also used in various cosmetic and medicinal applications due to its anti-inflammatory and wound-healing properties.
Oil in synthetic fiber
Synthetic fibers, such as polyester and nylon, do not contain natural oils. However, they can be treated with various chemicals to impart specific properties, such as lubrication, water resistance, or antistatic properties.
Overall, the chemistry and properties of oils present in different fibers play an important role in determining the characteristics and performance of the fibers. Understanding the composition and behavior of these oils is important for developing new fibers with improved properties and applications.
Chemistry & properties of Waxes
Here are some general characteristics of the waxes present in different fibers:
Wax in cotton fiber
Cotton fibers contain a small amount of natural wax that gives them a slightly glossy appearance and provides some protection against water and other liquids. The wax is composed of fatty acids, alcohols, and hydrocarbons, and its composition can vary depending on the specific variety of cotton. The wax helps to protect the fibers from moisture and also helps to reduce friction between the fibers during processing.
Wax in wool fiber
Wool fibers also contain natural wax, which is secreted by the sebaceous glands of sheep. The wax helps to lubricate the fibers and prevent them from becoming brittle and breaking. The main component of wool wax is lanolin, which is a complex mixture of esters, fatty acids, and alcohols. Lanolin is also used in various cosmetic and medicinal applications due to its emollient and moisturizing properties.
Wax in silk fiber
Silk fibers contain a complex mixture of proteins and lipids, including waxes such as ceramides and cholesterol esters. These waxes play a critical role in the structure and properties of silk fibers, helping to provide strength, flexibility, and water resistance.
In general, the waxes present in different fibers play an important role in determining their properties and characteristics. They contribute to the water resistance, lubrication, and durability of the fibers, and also play a role in the processing and manufacturing of textile products. Understanding the chemistry and properties of these waxes is important for developing new fibers and improving the performance of existing ones.
Chemistry & properties of Fats
Here are some general characteristics of the fats that can be present in different fibers:
Fat in cotton fiber
Cotton fibers contain a small amount of natural fats that are composed of glycerides and fatty acids. These fats contribute to the strength and durability of the fibers, and also play a role in the processing and manufacturing of textile products.
Fat in wool fiber
Wool fibers also contain natural fats, which are composed of a mixture of glycerides, fatty acids, and sterols. These fats help to lubricate the fibers and prevent them from becoming brittle and breaking. They also contribute to the softness and flexibility of the fibers.
Fat in silk fiber
Silk fibers contain a complex mixture of proteins and lipids, including fats such as glycerides, fatty acids, and sterols. These fats play a critical role in the structure and properties of silk fibers, helping to provide strength, flexibility, and water resistance.
In general, the fats present in different fibers contribute to their strength, durability, and flexibility, and play a role in the processing and manufacturing of textile products. While their presence may be less common than oils and waxes, they still play an important role in determining the properties and characteristics of the fibers. Understanding the chemistry and properties of these fats is important for developing new fibers and improving the performance of existing ones.
Md. Anwar Hossen is a dynamic faculty of Apparel Engineering department at Textile Engineering College, Noakhali. He is serving as “Foreman” (1st class gazetted officer) since 08th November, 2021. Before getting recommendation by BPSC as Foreman, he served for 03 years 01 month and 12 days as an “Inspector (Technical)” at Department of Textiles. Recently, Mr. Anwar achieved his Master’s of Science in Textile Engineering from Daffodil International University (DIU). He achieved his Bachelor of Science in Textile Engineering from Dhaka University of Engineering & Technology (DUET) in 2019. In 2013, he completed a Diploma in Textile Engineering degree from Begumganj Textile Engineering College, Noakhali (TECN). Learn More>>