Specialist - Polymers Flashcards
Thermoforming Polymer
A polymer that can be reheated and reshaped
Thermo-setting polymer
A polymer that once set can not be reshaped.
The main countries that produces crude oil that makes synthetic polymers.
Russia, USA, Saudi Arabia.
How is oil transported to refineries.
Either by pipes or by ship.
What is the main impact of extraction and material production on the environment?
Deforestation, CO2 emissions, disturbance to the sea environment, oil pipes can leak and affect sea life and birds.
Lifecycle Analysis
an analysis of all the environmental impacts related to a product from the extraction of the raw material to its use and disposal.
What are the stock forms of polymers?
Granules, Rod, sheet, tube, resin, powder.
Why are pigments added to polymers?
- To add colour
Why are light stabilisers added during the manufacturing process of polymers?
To reduce degradation caused by UV light.
Why are plasticisers added to polymers?
To make them more flexible.
How can polymer based products be strengthened?
Using Frame structures.
How does the use of triangulation form the basis of structures?
It provides strength, stiffness and rigidity.
Why would a texture be added to a torch?
To improve the grip so that it doesn’t slip out of the hand.
Why would you want kitchenware to have a smooth finish?
So they are easy to clean.
What does the term planned obsolescence or built in obsolescence mean?
A product that is designed with a limited lifespan.