polymers Flashcards
sqeeze bottles toys flexible pipes
LDP(linEar)
OIL SEALS GASKETS
NON STICK SURFACE COATED UTENSILS
TEFLON1
bucket dustbin
bottles pipes
HDP
substituent for wool in making commercial fibres as orlon or acrilan
polyacronitrile
making sheets brushes
bristles of brushes
textile industry
nylon 66
manufacture of tyre cords fabrics and ropes
nylon 6
=========is the best knoiwn eg for polyesters
dacron or terelene
used in blending with cotton and wool fibres and also as glass reinforcing materilals in safety helmets etc
terelene or dacron
used for sming phonograph ,cobs,records,electrical switches and handles of utensils
bakelite
manfacture of unbreakable crockery
melamin formaldehyde
autotires floor tiles footwear comp
cable insulation
good sub for rubber
BUNA S
nstursl rubber is a linear polymer of
isoprene (2 methyl
manufacture of conveyer belts ,gaskets and hoses …resistance to vegetable and mineral oils
neoprene
natural rubber is a linear polymer of
isoprene (2 methyl 1,3 buta diene )
cis 1 ,4 polyisoprene
resistant to action of petrol .lubricating oil and organic solvents
used in making oil seals,tank lining etc
BUNA N
=========is one of the imp classes of biodegradable polymers
aliphatic polyesters
used in speciality packaging
orthopaedic devices
and in controlled release of drugs
PHBV
manufac of ropes toys pipes fibre
polypropene
manuf of paints and lacquers
glyptal
rain coats hand bags vinyl flooring water pipes
PVC
insulator wrapping materialmanufca of toys radio and television cabinets
polystyrene
