DT From Book- Polymers Flashcards
What is crude oil made up of
A large number of hydrocarbon molecules which are separated and defied into more useful products
Give examples of crude oil by-products
Diesel, petrol, kerosine, bitumen, petroleum gas
What happens during cracking
The fractions are heated to break them down into individual hydrocarbons which can then be used to manufacture polymers
Name the 6 stock forms plastics are available in
Sheet, tubes, foam, film, granules, powder
What are sheets of plastic used for
Line bending, roofing, vacuum forming
What are rods and tubes used for
Machining, curtain parts
What is foam used for
Packaging, seating, flotation aids
What is plastic film used for
Food packaging, vacuum forming
What are plastic granular used for
Injection moulding, casting
What is powder used for
Dip coating, spray coating, 3D printing
What ate 3 of the plastic standard components
Machine screws, nuts and bolts, hinges
What are machene screws used for
To temporarily join parts together
What are nuts and bolts used for
To join materials together
What are hinges used for
To allow objects to open and close
What are the 3 types of plastic hinges
Butt, continues, concealed hinge
