Fibres + Fabrics Flashcards

(33 cards)

1
Q

Desirable properties of cotton

A

Absorbent
Cool
Easy to was and dry

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2
Q

UnDesirable properties of cotton

A

Creases
Shrinks
Not stretchy

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3
Q

Cotton fabrics

A

Towelling
Cotton
denim

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4
Q

Production stages of linen

A
Grows from faux plant 
1m high
Stems pulled by their roots
Left to soak and rot (retting)
Fibres are separated from woody bits
Combed and spun 
Long fibres= fine yarn.       Short fibres = course yarn
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5
Q

Desirable properties of linen

A

Absorbent
Hard wearing
Easy to wash

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6
Q

UnDesirable properties of linen

A

Creases
Shrinks
Difficult to dye

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7
Q

Linen fabrics

A

Cambric
Canvas
Damash

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8
Q

Production stages of wool

A

Fleece is removed from sheep
Wool is graded
Cleaned and combed ( carding)
SPun

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9
Q

Desirable properties of wool

A

Warm
Soft
Stretchy

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10
Q

UnDesirable properties of wool

A

Shrinks if washed carelessly
Doesn’t dry easily
Itchy

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11
Q

Production stages of silk

A
Comes from silkworm
SW lay eggs and feed on mulberry tree
Spins silk cocoons
Cocoons are heated and fibres are removed
Thread is wound on to a real
Spun
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12
Q

Desirable properties of silk

A

Lightweight
Warm
Crease resistant
Smooth

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13
Q

UnDesirable properties of silk

A

Damaged easily
Flammable
Damaged by moths

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14
Q

Silk fabrics

A

Wild silk chiffon

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15
Q

Stages of production of cotton

A
Comes from cotton plant(boll)
Fibres are 2-3cm long
Bolls are picked
Fibres are separated from the seeds (ginning)
Pressed into bales 
Cotton is graded
Fibres are combed and spun
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16
Q

What are regenerated fibres made of

A

That contain cellulose because they come from plants

17
Q

Production of regenerated fibres

A

Cellulose from trees +cotton waste is pulped and mixed with chemicals
Liquid is forced through tiny holes in a spinneret
Yarn is twisted and cut

18
Q

Desirable properties of regenerated fabrics

A

Absorbant
Easy to dye
Cool

19
Q

UnDesirable properties of regenerated fabrics

A

Crease easy

Not durable

20
Q

Regenerated fabrics

A

Viscose (uses:light weight cloth)

21
Q

Production of synthetic fibres

A

Chemicals from petroleum are mixed to produce thick liquid
Forced through the holes of the spinneret
Long fibres are twisted together to make yarn

22
Q

Desirable properties of synthetic fabrics

A

Strong
Elastic
Durable

23
Q

UnDesirable properties of synthetic fabrics

A

Not absorbent
Clingy
Static

24
Q

Synthetic fabrics

A

Nylon
Polyester
Acrylic

25
What is weaving
The interlacing of yarns at a right angle
26
Warp
Stronger thread that run in the direction of the length of fabric
27
Weft
Weaker thread that runs in the direction of the width of fabric
28
Selvage
Side of the woven fabric that stops fraying
29
Straight grain
The direction of the warp thread through the fabric
30
Bias
Is the diagonal line of fabric | Stretches along this line
31
What is knitting
The linking together of loops of yarn in stitches
32
Advantages of knitting
Stretchy Warm Comforable
33
What is a non woven fabric
Are made directly from fibres without being made into yarn