Fibres + Fabrics Flashcards

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
Q

What is weaving

A

The interlacing of yarns at a right angle

26
Q

Warp

A

Stronger thread that run in the direction of the length of fabric

27
Q

Weft

A

Weaker thread that runs in the direction of the width of fabric

28
Q

Selvage

A

Side of the woven fabric that stops fraying

29
Q

Straight grain

A

The direction of the warp thread through the fabric

30
Q

Bias

A

Is the diagonal line of fabric

Stretches along this line

31
Q

What is knitting

A

The linking together of loops of yarn in stitches

32
Q

Advantages of knitting

A

Stretchy
Warm
Comforable

33
Q

What is a non woven fabric

A

Are made directly from fibres without being made into yarn