Scouring is the process by which all natural and adventitious impurities such as oil, wax, fat etc are removed to produce hydrophilic and clean textile material.

Objectives of Scouring Process:

• To make the fabric highly hydrophilic.
• To remove impurities such as oil, wax, fat, cotton seeds etc.
• To make the fabric ready for next operation.

Forms of Scouring/ Types of Different Scouring:

• Fabric Scouring
  • Rope form ( Keir Boiler)
  • Open width Form ( Continuous Machine)

• Yarn Scouring:
  • Hank form
  • Package form
  • Continuous Sheet warp form

Scouring process depends on:

• The type of cotton
• The color of cotton
• The cleanliness of cotton
• Twist and count of yarn
• The contraction of fabric

The changes occurs of cotton fabric during Scouring:

• Oil are converted into soap
• Proteins are hydrolyzed into soluble degradation product.
• Simple amino Compounds are dissolved or hydrolyzed to ammonia.
• Pectose and Pectins are changed soluble salt of pectic acid.
• Mineral matter is dissolved.
• Unsoapiniable oils and waxes are emulsified by the soluble soap.
• Dust particles are removed or break down.

View all posts