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Highcliffe 11-13

Smart and Modern Materials

QuestionAnswer
What is a smart fabric? It is a fabric that can react to outside conditions without human intervention.
Define a smart fabric. In simple terms, smart textiles can sense electrical, thermal, chemical, magnetic, or other physical responses from the environment, and adapt or respond to them.
What do smart fabrics do? Smart materials sense the conditions around them, and react in some way.
What does hydrochromic mean? Changes colour in contact with water.
What is the name of a fabric that changes colour with temperature? Thermochromic.
What does photochromic mean? Responds to light by changing colour.
What are conductive fabrics? Conductive fabrics have metal fibres or conductive printing inks/coatings on the surface. GORIX is a carbonising fibre that is conductive used in heated car seats and for motorbike clothing. SOFT SWITCH has conductive fibres that have pressure sensor use
What sort of fabric is gore-tex? This is a laminated fabric, made up of different layers that have different functions. Gore-tex is widely used for outdoor wear..
Name a biomimetic fabric and explain why it is biomimetic. Fastskin, developed by Speedo, mimicks sharkskin so it channels water away from the body making the swimmer more aerodynamic.
What is microencapsulation? Micro-encapsulation allows fibres and fabrics to be impregnated with microscopic bubbles of perfumes, anti bacterial properties, anti-allergenic properties, insect repellents, and carbon digesters to absorb smells.
What is an alginate dressing? These are highly absorbent, biodegradable dressings derived from seaweed. They promote healing of tissues and prevent bacterial infection. They are used on wounds that are really weeping,
What is nanotechnology? Thin layers of nanoparticles (very tiny particles of a substance) can be attached to common fibres and fabrics. The layers are so thin that they don’t change the feel of the fabric.
What are microfibres? 60 times finer than human hair Made from polyester or polyamide Very strong Water-repellent Absorbent Breathable Very good
What are microfibres used for? Hosiery Sportswear Water- repellent outdoor wear Cleaning cloths
What is Nomex? Nomex– very resistant to fire and so used in firefighter uniforms and racing driver
Created by: Highcliffe
 

 



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