Polymerization Inhibitors
Polymerization Inhibitors are reagents which are used to prevent undesirable polymerization by light or heat. It can be used when storing highly reactive monomers. General-purpose reagents such as hydroquinone and nitrosamine are available.
Examples of Application
- Preservative stabilizer (monomer, UV ink, UV paint, photosensitive resin)
- Prevention of polymerization during distillation of monomers.
- Prevention of polymerization during production of monomers and oligomers, and during heating/mixing of monomers.
- Suspension of polymerization when an abnormal polymerization is observed.
- Suspension of polymerization once the target polymerization is attained.
High Performance Polymerization Inhibitors
- Strong polymerization inhibiting effect even with at low concentration.
- Monomers can be safely stored for long periods.
- Effective as preservation stabilizers of composition for photo-radical polymerization.
- Provide strong polymerization inhibiting effect in an oxygen-free environment.
Mechanism of Polymerization Inhibition (Presumed)
Comparison of Polymerization Inhibiting Effects
Cupferron and Aluminium salt show stronger polymerization inhibiting effect, than other polymerization inhibitor at high temperature.
Conditions
- Purified styrene
- Concentration of polymerization Inhibitor : 1,000 ppm
- Heating temperature: 120°C
- Under nitrogen gas flow
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For research use or further manufacturing use only. Not for use in diagnostic procedures.
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