Thermosets & thermoplastics

Question 1

Thermosets properties

Answer 1

More brittle than thermoplastics
Very hard & waterproof
Difficult to mould, cannot be reshaped

Question 2

UF uses & (properties)

Answer 2

Adhesive to bind materials & (good resistance to deformation by heat & tensile strength & hard/opaque )

Question 3

MF
uses & properties

Answer 3

Create surface coatings, decorative laminated
Hard & scratch resistant & opaque polymer

Question 4

Polyester resin uses

Answer 4

Used in marine industry & reinforced glass & bath tubs

Question 5

What does Epoxy resin need to be mixed with

Answer 5

Catalyst

Question 6

LDPE uses (TP)

Answer 6

(In packaging that flexiblity is required)

Question 7

HIPS (High impact polystryene) properties (TP)

Answer 7

lightweight, food safe, retain heat without deformation

Question 8

ABS properties (TP)

Answer 8

very good resistance to acids, alkalis, grease ,hard, execellent impact resistance

Question 9

PVC uses & properties

Answer 9

plumbing pipes,
(hard, tough, good chemical and weather resistance)

Question 10

PP (polyprolyene)(TP)
Uses & properties

Answer 10

Food packaging, medical equipment
execellent fatigue resistance, tough, flexible polymer

Question 11

Acrylic (PMMA)(TP)
uses & properties

Answer 11

lenses in glasses, shower trays
tough, lightweight, poor resistance to chemcials compared to many polymers