Is AIBN a radical initiator?
It is often used as a foamer in plastics and rubber and as a radical initiator. As an azo initiator, radicals resulting from AIBN have multiple benefits over common organic peroxides.
What are Initiators in Polymerization?
initiator, a source of any chemical species that reacts with a monomer (single molecule that can form chemical bonds) to form an intermediate compound capable of linking successively with a large number of other monomers into a polymeric compound.
What is the structure of AIBN?
2,2′-Azobis(2-methylpropionitrile)
| PubChem CID | 6547 |
|---|---|
| Structure | Find Similar Structures |
| Chemical Safety | Laboratory Chemical Safety Summary (LCSS) Datasheet |
| Molecular Formula | C8H12N4 or (CH3)2(CN)CN=NC(CN)(CH3)2 |
| Synonyms | 78-67-1 2,2′-Azobis(2-methylpropionitrile) AIBN Azobisisobutyronitrile 2,2′-Azobisisobutyronitrile More… |
What is AIBN used for?
It is often used as a foamer in plastics and rubber and as a radical initiator. In most characteristic reaction, AIBN decomposes, eliminating a molecule of nitrogen gas to form two 2-cyanoprop-2-yl radicals: These radicals can initiate free-radical polymerizations and other radical-induced reactions.
Which initiator is used in radical polymerisation?
Radical Chain-Growth Polymerization When radical polymerization is desired, it must be started by using a radical initiator, such as a peroxide or certain azo compounds.
Why is benzoyl peroxide a good initiator?
The by far most important organic peroxide initiator is benzoyl peroxide (BPO). The two fragments with unpaired electrons are called free radical initiators. Following its generation, the initiating free radicals react with a monomer unit thereby creating growing polymer chains.