Polymers

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  • Created by: Abigail
  • Created on: 05-03-15 17:48
Textile materials are made from natural or synthetic f____-forming polymers
Fibre
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A polymer is a generic name for a combination of large what that are made up from smaller m?
Molecules, monomers
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Natural polymers exist as short fibres that must be co___, l____-up and whated to make them longer?
Combed, length, twisted
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Vegetable fibres like what two examples are made up of the g____ polymer known as?
Linen, cotton, glucose, cellulose
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The animal fibres like wool and cashmere have a protein polymer called?
Keratin
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Regenerated natural fibres like ? are manufactured from the cellulose in what pulp -this is what in chemicals and extruded through a what and put into a what bath to create filaments?
Viscose, modal, wood, dissolved, spinneret, acid
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Most synthetic polymers are manufactured from whatchemicals using the process called poly______ to produce long chains of polymers. Converted by a sol____ or mel____?
Petro, polymerisation, solution, melted
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Once this is done they're pushed through a what?
Spinneret
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There are two methods of polymerisation, known as A______ (the plus sign) and C______ (droplets from cool drinks)
Addition, condensation
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Elastane is made by what polymerisation? (hint this is also called the same as a method of printing)
Block
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Block polymerisation is where how many monomers are preformed in b___?
2, blocks
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Elas____ can be stretched an return to their what like Lycra?
Elastomers, original shape
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(hint it SETS them) Thermo_____ has cross-l____ between the long chain molecules, set with what but cannot be what. Is NOT used for?
Thermosetting, links, heat, softened, textiles
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Thermo_____ are long chain molecules that aren't what linked. They what when reheated. Give examples of the fibres (i.e.synthetic)
Thermoplastic, cross, soften, acetate, polyester, acrylic, etc
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Other cards in this set

Card 2

Front

A polymer is a generic name for a combination of large what that are made up from smaller m?

Back

Molecules, monomers

Card 3

Front

Natural polymers exist as short fibres that must be co___, l____-up and whated to make them longer?

Back

Preview of the front of card 3

Card 4

Front

Vegetable fibres like what two examples are made up of the g____ polymer known as?

Back

Preview of the front of card 4

Card 5

Front

The animal fibres like wool and cashmere have a protein polymer called?

Back

Preview of the front of card 5
View more cards

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