Technical Textiles Flashcards Preview

Design Technology 2017-2018 (GCSE AQA) > Technical Textiles > Flashcards

Flashcards in Technical Textiles Deck (6):
1

What are technical textiles?

Textile materials and products that are manufactured for their technical and performance properties

2

Conductive fabrics

Conductive fabrics either have:
- conductive fibres woven into them
- conductive powders impregnated into them
Conductive fabrics are often called electronic textiles or e-textiles

3

Fire resistant fabrics

Nomex used to make firefighter suits
Thickens when heated to protect the wearer
Other useful properties:
- Flexible to allow movement
- Lightweight
- Flame resistant
- Breathable
- Durable
- Abrasion resistant
By law in children's nightwear and cotton/viscous furnishings

4

Kevlar

Very light polymer material
Tensile strength over 8 times that of steel
Doesn't melt
Used in extreme temperatures
• -196 °C to 450 °C
Resists attacks from many different chemicals
Uses of Kevlar:
• bulletproof vests
• face masks
• motorcycle safety clothing

5

What are microfibres?

Very thin synthetic fibres
Polymide and polyester are micro fibres used in sportswear and lingerie
Bigger surface area
Tencel microfiber used in shirts

6

Microencapsulation

Some micro fibres incorporate microencapsulation
Fibres hold chemicals in tiny capsules which gradually break
Releases chemicals like perfume, insecticides or antiseptics
Uses:
•outdoor clothing - repels bugs
•scented fabrics - clothing and soft furniture