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Questions and Answers
What is the primary purpose of using chemicals and dyes in the textile industry?
What is the primary purpose of using chemicals and dyes in the textile industry?
- To enhance the tactile quality of the fabric
- To increase the durability of the fabric
- To reduce the weight of the fabric
- To impart colour and aesthetic appeal to the fabric (correct)
What is the main source of dyes used in the textile industry?
What is the main source of dyes used in the textile industry?
- Natural sources such as plants and insects
- Biotechnology-derived organisms
- Recycled materials from post-consumer waste
- Synthetic sources such as petroleum-based compounds (correct)
What is the primary factor that determines the type of dye used in the textile industry?
What is the primary factor that determines the type of dye used in the textile industry?
- Environmental impact of the dye
- Cost of the dye
- Colour intensity required
- Type of fabric being dyed (correct)
What is a common challenge faced by textile manufacturers when using dyes?
What is a common challenge faced by textile manufacturers when using dyes?
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What is a potential environmental concern associated with the use of dyes in the textile industry?
What is a potential environmental concern associated with the use of dyes in the textile industry?
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Study Notes
Chemicals and Dyes Used in Textile Industry
- The textile industry relies heavily on dyes and chemicals to produce fabrics with desired colors, textures, and properties.
Sources of Dyes
- Natural dyes are derived from plants, insects, and minerals, such as indigo, madder, and weld.
- Synthetic dyes are manufactured from petroleum-based chemicals, offering a broader range of colors and higher colorfastness.
Uses of Dyes in Textile Industry
- Dyes are used to impart color, aesthetic appeal, and functionality to fabrics, making them suitable for various applications.
- Different types of dyes, such as acid, basic, mordant, and vat dyes, are used for specific fibers, like cotton, wool, and silk.
- Dyes can also influence fabric properties, such as wrinkle resistance, water repellency, and UV protection.
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