Required thermosetting polymers Flashcards
What is melamine formaldehyde known for?
Stiff and hardwearing with good resistance to heat and staining
Commonly used for kitchen work surfaces.
What is phenol formaldehyde used for?
Electrical fittings and pan handles
It is hard and a good electrical and heat insulator.
What are the properties of urea formaldehyde (UF)?
Stiff, hard, and an excellent electrical insulator
Extensively used for electrical fittings.
Fill in the blank: Melamine formaldehyde is used for _______.
kitchen work surfaces
True or False: Urea formaldehyde is a poor electrical insulator.
False
List the applications of phenol formaldehyde.
- Electrical fittings
- Pan handles
What is the form of polyester resin before it sets?
It is in a two-part liquid form.
What happens to polyester resin when it is mixed?
The resin sets hard but is brittle.
What are two applications of polyester resin?
- Glass-fibre reinforced polymer (GRP) boat hulls
- Car body panels
What is the form of epoxy resin before it sets?
It is in a two-part liquid form.
What happens to epoxy resin when it is mixed?
The resin sets hard and has good insulating properties.
What are two applications of epoxy resin?
- Used as an adhesive
- For casing electrical components
