Dyeing and Printing of Textiles
Telangana Open School (TOSS) · Class 12 · Community Science (Home Science)
Complete topic list for Dyeing and Printing of Textiles in Telangana Open School (TOSS) Class 12 Community Science (Home Science). Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Dyeing and Printing of Textiles
Types of Dyes
- Dyes are substances that add colour to textiles and can be natural or synthetic.
- Natural dyes come from plant, animal, and mineral sources.
- Synthetic dyes are made from coal tar and are more commonly used due to bright colours and better fastness.
Stages of Dyeing
- Dyeing can be done at four stages: fiber, yarn, fabric (piece), and garment.
- Fiber stage dyeing (dope dyeing) adds dye to the spinning solution, making colour permanent.
- Yarn dyeing is used to create patterned fabrics like checks and stripes.
Resist Dyeing Techniques
- Resist dyeing prevents colour from reaching certain areas of fabric to create patterns.
- Batik uses wax as a resist — applied with brush, then fabric is dyed and wax removed by boiling.
- Tie and dye involves tying fabric with thread or rubber bands before dyeing to create patterns.
Textile Printing Methods
- Printing applies colour in specific patterns on fabric, unlike dyeing which colours the whole material.
- Direct printing applies colour directly on white or dyed fabric using blocks or screens.
- Discharge printing removes colour from already dyed fabric to create patterns.
Key Concepts
Central concept: Textile Finishing through Dyeing and Printing
Frequently Asked Questions
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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