Dis/advantages Of Polymers 🫱🏻🫲🏾 Flashcards
Silicone ✅
-heat resistance
-hygienic
Neoprene ✅
-waterproof and corrosion resistant
-good chem resistance
-durable
Rubber ✅
-good abrasion resistant
-easy to clean
-good heat resistance
Polyester resin ✅
-low cost
-decent resistance to water
-resistance to weathering and ageing
Urea formaldehyde ✅
-Good adhesives properties
-water resistant
-heat resistant
Epoxy resins ✅
-Adhesive properties are resistant to chemicals
-can resist moderate temperatures
Acrylonitrile Butadiene Styrene ✅
-low melting point enables easy use in injection moulding
-high tensile strength
-can stand unfavourable environments
-polypropylene ✅
-fatigue resistant
-recyclable
-non-toxic solution
Polyvinyl chloride ✅
-long life span
-lightweight but tough
-abrasion resistant
Polyethylene terephthalate ✅
-shatter-proof
-lightweight
-high strength-to-weight ratio
Polyethylene ✅
-extremely lightweight
-recyclable
-durable
Acrylic ✅
-stronger than glass
-easy to clean
-weather resistant
Acrylic ❌
-low impact strength
-sheets tend to crack
-broken sheets have sharp edges
Polyethylene ❌
-high thermal expansion
-flammable
-poor bonding quality
Polyethylene terephthalate ❌
-flavour absorption, issues with food
-limited heat resistance
Polyvinyl chloride ❌
-most environmentally damaging
-not recyclable
-low thermal stability
Polypropylene ❌
-highly flammable
-can be harmed by UV
-poor bonding properties
Acrylonitrile Butadiene Styrene ❌
-low melting points
-poor resistance to fatigue
-plastic fumes made when printing
Epoxy resins ❌
-don’t operate at high heat
-epoxies can be brittle without modifications
-slow cure times
Urea formaldehyde ❌
-low chemical resistance
-not recyclable
-releases gases over time
Polyester Resin ❌
-strong styrene odor
-difficult to mix
-not good for bonding
Rubber ❌
-not weather-resistant
-poor resistance to hydrocarbons
Neoprene ❌
-quite expensive
-poor resistance to oxidising acids
-can absorb water over time
Silicone ❌
-high cost
-can feel sticky
