Biological & Smart Finishes

Question 1

What is biostoning?

Answer 1

• uses enzymes that act on dye to create a washed-out look
• gives a stonewashed finish on denim without using pumice stones
• less harsh chemicals used

Question 2

What is biopolishing?

Answer 2

• uses enzymes to remove excess fibre and cellulosic pilling: smooth appearance
• improves wearing properties

Question 3

What is a disadvantage of biological finishes?

Answer 3

there’s a high cost for enzyme and equipment purchase

Question 4

Name four smart finishing techniques

Answer 4

• solvation chromism
• photochromic
• electrochromic
• thermochromic

Question 5

Photochromic

Answer 5

change in colour based on UV level in light, eg. sunglasses

Question 6

Electrochromic

Answer 6

change in colour in response to an applied electric current

Question 7

Thermochromic

Answer 7

change between coloured and colourless in response to temperature changes e.g mugs

Question 8

Solvation chromism

Answer 8

change colour in response to moisture levels (e.g, nappies)