Polymers Flashcards
Urea Formaldehyde?
Type: Thermo setting plastics
Eg: Plug sockets
Properties: Stiff and hard, Heat resistant, Good electrical conductor
Polyvinyl Chloride (PVC)
Type: Thermoforming plastics
Eg: tubes for sinks and stuff
Properties: Hard and tough. Weather resistant. Rigid or flexible. Chemical resistant
Epoxy Resin
Type: Thermosetting plastics
Eg: super glue
Properties: electrical insulator. Good chemical and wear resistant. Often used as an adhensive to bond different materials
High density polythene (HDPE)
Type: Thermoforming plastics
Eg: mostly used as carrier for chemicals (bleach, gas, oil and others)
Properties : Hard and stiff and an Excellent chemcial resistant
High Impact polystyrene (HIPS)
Type: Thermoforming plastics
Eg: mostly on yogurt containers
Properties: tough and rigid. Good impact resistance. Lightweight
Acryclic (PMMA)
Type: Thermoforming plastics
Eg: light on cars (cover)
Properties: hard, excellent optical properties. Resistent to weather but can scratch easily
Melamin Formaldehyde (MF)
Type: Thermosetting plastics
Eg: surface of kitchen areas (table)
Properties: stiff, hard and strong. Heat resistant. Resistant of scratching and staining
Polypropylene (PP)
Type: thermoforming plastics
Eg: school chairs
Properties: Tough. Good heat and chemical resistant. Lightwieght and fatigue resistant
Polyethylene Terephthate (PET)
Type: thermoforming plastics
Eg: water bottles or any bottle plastic
Properties: tough and durable. Lightweight. Food safe and low costs
Polyester Resin
Type: thermosetting plastics
Eg: boats
Properties: birttle. But tough when laminated with glass fibre. Hard and uv resistant
Phenol formaldehye (PF)
Type: thermosetting
Eg: handles of cooking bowls and sutff
Properties: hard. Heat and chemical resistant. Good insulator. Limited colours
Bioplastics
Type: bioplastics
Eg: plastic containers
Properties: made from plant - based material. Corn starch common. Biodegradeable. Non - recyclable
