Fabrication and Processing of Engineering Materials - Polymerization - Addition Polymerization
3 important questions on Fabrication and Processing of Engineering Materials - Polymerization - Addition Polymerization
Describe the initiation stage in addition polymerization.
An active center is formed by reaction between an initiator and a monomer unit.
Describe the propagation stage in addition polymerization.
By addition of multiple monomer units the chain grows. This is the propagation stage.
In what two ways can the propagation end?
- The active ends of two propagation chains may react and form one chain. This is also called combination.
- Two propagation chains may form two dead chains. This is called disproportionation.
- Two propagation chains may form two dead chains. This is called disproportionation.
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