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Design Technology 4th Form > Textiles and Fibres > Flashcards

Textiles and Fibres Flashcards

1
Q

Define natural polymers

A

Can come from a plant, insects and animals where they are usually some form of protein.

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2
Q

Give 6 examples of natural polymers?

A

Cotton, Linen, Hemp, Jute, Silk, Wool

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3
Q

Give the properties of cotton?

A

Absorbent, strong, hardwearing, smooth, easy to care for.

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4
Q

Give the properties of linen?

A

Strong, absorbent, hardwearing.

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5
Q

Give the properties of hemp?

A

Absorbent, non-static, naturally lustrous, strong

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6
Q

Give the properties of Jute?

A

Very absorbent, high tensile strength, antistatic.

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7
Q

Give the properties of wool?

A

Warm, absorbent, low flammability, good elasticity, crease resistant, strong.

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8
Q

Define a manufactured polymer?

A

Usually hardwearing. They all tend to come from oil or minerals and are, therefore, not sustainable and not biodegradable.

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9
Q

Name 5 manufactured polymers?

A

Polyester, Nylon, Polypropylene, Acrylic, Lycra

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10
Q

Give the properties of Polyester?

A

Strong when wet and dry, flame resistant, thermoforming (can be shaped by heat) hardwearing.

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11
Q

Give the properties of Nylon?

A

Strong and hardwearing, thermoforming, good elasticity. Resistant to chemicals and perspiration.

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12
Q

Give properties of Polypropylene?

A

Thermoforming with a low melting point, strong, crease and chemical resistant, hardwearing and durable

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13
Q

Give properties of Lycra?

A

Strong except when wet, thermoforming, good insulator

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14
Q

Give 3 uses of cotton?

A

Clothing, bed sheets, canvas

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15
Q

Give 3 uses of linen?

A

Light weight, table cloth, soft furnishings

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16
Q

Give 3 uses of hemp?

A

Clothing, carpets, ropes

17
Q

Give 3 uses of Jute?

A

Bags, carpets, yarn

18
Q

Give 3 uses of silk?

A

Clothing (luxury), knitwear, soft furnishings

19
Q

Give 3 uses of wool?

A

Warm clothing, carpets, blankets

20
Q

Wool advs and disadvs?

A

A: Warm, Low flamibility
D:Shrink easily, dries slowly

21
Q

Silk advs and disadvs?

A

A: Absorbent, comfortable
D: Creases, expensive

22
Q

Cotton advs and disadvs?

A

A: Absorbent, Hardwearing
D: Creases, flammable

23
Q

Polyester advs and disadvs?

A

A: Strong when wet & dry, crease/flame resistent
D: Poor absorbency

24
Q

Nylon advs and disadvs?

A

A:Strong and hardwearing
D: Poor absorbency

25
Q

Acrylic advs and disadvs?

A

A: Strong, good insulator
D: Poor absorbency, flammable

26
Q

Lycra advs?

A

A: Elastic, light-weight

27
Q

What is a blended fibre?

A

A mix of 2 or more different fibres which could be natural or manufactured polymers

Design Technology 4th Form (6 decks)

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