2339 Week 4 Asyn_Agencies of Decay in Polymers (copy) (copy) Flashcards
1
Q
Examples of irreversible changes to polymers
A
2
Q
Agencies of decay in polymers
A
- also oxygen, heat/ light and oxygen
3
Q
Photodegregation
A
4
Q
mechanical degradation of polymers
A
- drive belt
5
Q
Biological degradation of polymers
A
6
Q
Impurities in polymers causing decay
A
7
Q
Chemical degradation of polymers eg. hydrolysis
A
hydrolase- an enzyme which supports hydrolysis
8
Q
Radiation as an agent of decay in polymers
A
9
Q
Types of change to molecules as a result of polymer degradation
A
10
Q
There are three kinds of reaction routes in polymer decay (3)
A
11
Q
What are free radicals and homolytic fission
A
