Textile materials are made from natural or synthetic f____-forming polymers
Fibre
1 of 14
A polymer is a generic name for a combination of large what that are made up from smaller m?
Molecules, monomers
2 of 14
Natural polymers exist as short fibres that must be co___, l____-up and whated to make them longer?
Combed, length, twisted
3 of 14
Vegetable fibres like what two examples are made up of the g____ polymer known as?
Linen, cotton, glucose, cellulose
4 of 14
The animal fibres like wool and cashmere have a protein polymer called?
Keratin
5 of 14
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
6 of 14
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
7 of 14
Once this is done they're pushed through a what?
Spinneret
8 of 14
There are two methods of polymerisation, known as A______ (the plus sign) and C______ (droplets from cool drinks)
Addition, condensation
9 of 14
Elastane is made by what polymerisation? (hint this is also called the same as a method of printing)
Block
10 of 14
Block polymerisation is where how many monomers are preformed in b___?
2, blocks
11 of 14
Elas____ can be stretched an return to their what like Lycra?
Elastomers, original shape
12 of 14
(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
13 of 14
Thermo_____ are long chain molecules that aren't what linked. They what when reheated. Give examples of the fibres (i.e.synthetic)
Comments
No comments have yet been made