p1- classification of polymer Flashcards
corn starch
bio-polymer
-made from high-starch veg such as corn, potatoes
uses: packaging products, straws, vending cups, disposable cups and cutlery
potatopak
bio-polymer
-made from potato starch
uses: single-use food items, food trays, bin bags
biopol
bio-polymer
- made from bacteria drown in cultures
uses: packaging products, carrier bags, pill coverings
polylactic acid (PLA)
bio-polymer (synthetic)
-made from corn kernels or cane sugar
uses: packaging, single-use bottles, plant pots, 3d printing
PHA
bio-polymer
-made from bacteria grown in cultures
-fully compostable
uses: packaging, medical uses, screws
lactide
bio-polymer (synthetic)
-fully compostable, water soluble
PLA and cellulose based
uses: biomedical applications, slow-release medication, washing machine sachets
Glycolide
bio-polymer (synthetic)
- fully compostable
-PLA and cellulose based
uses: food films, bags, packaging wrap
degradation
occurs when:
-light, UV light, oxygen, water
occurs because of the action of micro-organisms