Fabric Dyeing

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what factors determine the type of dye to use to colour a fabric?
what fabric is being dyed, intensity of the desired colour.
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what are the four main types of dyes, and what fibres are they used on?
1. reactive dyes- cotton, viscose 2. direct dyes- paler shades (cotton) 3. acid dyes- nylon, tactels 4. disperse dyes- polyester
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how do you prepare a dye recipe?
1. use water to fill containers 2. add other chemicals and mordent (fixative) 3. put in to dying tube, and add fabric sample
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how can computers be used to control the dying process?
1. verify the colour change observations 2. read colour and determine the amendments needed to be made 3. controls the temperature, time, chemical content, and running condition of machinery 4. calculates the amount of dye, chemicals, and liquid need
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why do dye houses carry out wash tests on the fabric they dye?
to see if any dye comes off the fabric when is is washed
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what quality control procedures are in place?
checking and calibrating the equipment, and checking fabrics against the tolerances
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Other cards in this set

Card 2

Front

1. reactive dyes- cotton, viscose 2. direct dyes- paler shades (cotton) 3. acid dyes- nylon, tactels 4. disperse dyes- polyester

Back

what are the four main types of dyes, and what fibres are they used on?

Card 3

Front

1. use water to fill containers 2. add other chemicals and mordent (fixative) 3. put in to dying tube, and add fabric sample

Back

Preview of the back of card 3

Card 4

Front

1. verify the colour change observations 2. read colour and determine the amendments needed to be made 3. controls the temperature, time, chemical content, and running condition of machinery 4. calculates the amount of dye, chemicals, and liquid need

Back

Preview of the back of card 4

Card 5

Front

to see if any dye comes off the fabric when is is washed

Back

Preview of the back of card 5
View more cards

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