properties

?
what is a polymer
it the generic name for a combination of large molecules, made from a chain of smaller repeated chemical units called monomers
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natural polymers exist as short fibres, what has to be done to them to become usable
combed, lined up and twisted to make longer
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what are cotton and linen composed of
glucose poymer cellulose
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what is animal fibre wool composed of
protien polymer keratin
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what is hair fibres such as cashmere composed of
protein polymer keratin
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what is regerated natural fibres made from
cellulose in wood pulp
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name the process used in the manufacture of synthetic polymers
poymerisation
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name the chemical used to process synthetic polymers
petrochemicals
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name the two methods of polymerisation
addition polymerisation, condensation polymerisation
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which polymerisation is used in PVC,PTFE Acrylic
addition polymerisation
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polyester are made by which polymerisation
condensation
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what is addition polymerisation
simular monomers added to each other to form long chains called homopolymers
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what is condensation polymerisation
two different monomers are added together called copolymers
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what is elastane made by
block polymerisation
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what is block polymerisation
two different monomers are pre-formed into blocks and added together to form block copolymers
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name the three groups polymers are put into
elastomers, thermosetting polymers, thermoplastic polymers
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name a elastomer fibre
lycra
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can you use thermosetting polymers for textiles
no
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name a thermoplastic poymer fibre
acrylic, polyamide, polyester. acetate
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what is microfibre technology
combines a high number of very fine fibres into one yarn of one decitex or less
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what can microfibres be manufactured from
polyester, polyamide or acrylic
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what fabrics is microfibre technology used in
smart, technical fabrics for active wear, all weather wear, industrial
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is cotton a vegetable or natural fibre
yes to both
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what type of fibre is produced from cotton
staple fibre
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name the properties of cotton
absorbs well, non static, naturally breathable, good drape and handle, dries slower, creases, recylable and biogradable
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name some fabrics made from cotton
calico, corduroy, denim, gingham, drill, terry towelling
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name some properties of linen
strong, durable, long lasting, fast drying, cool, non-static, crisp, shrinkproof, low elasticity,dirt-repellent, recyclable, biodegadable
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what is sisal
natural sustainable fibre produced from the leaves of the agave cactus
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what is sisal used for
twines. ropes, hairbrushes, baskets, floor coverings
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name a inorganic fibre
carbon, glass, metal, ceramic fibres
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how is a carbon fibre made
by burning acrylic fibre to produce carbon
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name the properties of carbon fibre
very strong, lightweight, flame-resistant, tear resistent, low shrinkage in heat, resistant to chemicals
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what are carbon fibres used for
upholstery, sports products, protective clothing for emergency services and the armed forces
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what is glass fibre
powdered compounds of mineral origins
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properties of glass fibre
durable, strong, shatterproof, heat and cold resistance, non-stick, non-toxic, reflective, resitant to mildew, chemicals, fungus
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what is glass fibre used for
outerwear protective garments, roof coverings, light and uv filters, aerospace and miitery industries flame and heat barriers
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is a metal fibre inorganic
yes
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which metals are used to produce metal fibre
aluminium, copper, steel, silver and gold
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what is the properties of metal fibre
strong lightweight, conductive, detectable, anti-static, protection for active sports,
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what is metal fibre used for
decorative, textiles, active sportswear, workwear, industrial clothing, medical uses
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what is the blends used with metal fibre
silk. wool, polyester, cotton, alluminum
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Other cards in this set

Card 2

Front

combed, lined up and twisted to make longer

Back

natural polymers exist as short fibres, what has to be done to them to become usable

Card 3

Front

glucose poymer cellulose

Back

Preview of the back of card 3

Card 4

Front

protien polymer keratin

Back

Preview of the back of card 4

Card 5

Front

protein polymer keratin

Back

Preview of the back of card 5
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