📋 Workflow
Full workflow, products add-to-cart directly1
Purify monomer
30 minDistill or column-pass the monomer to remove inhibitor and impurities.
💡 Tip Deoxygenation raises molecular weight
⚠️ Caution Monomers are often flammable
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2
Set up reaction
30 minDissolve monomer and initiator in solvent in a flask and degas.
💡 Tip Purge with N₂ to remove oxygen
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3
Polymerize
HoursStir at constant temperature until the target conversion.
💡 Tip Lower temperature gives higher MW
⚠️ Caution Control temperature to avoid runaway
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4
Precipitate
1 hPour the solution into a nonsolvent such as methanol to precipitate the polymer.
💡 Tip Vigorous stirring prevents clumping
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5
Dry & weigh
HoursVacuum-dry the polymer and weigh to calculate yield.
⚠️ 5 Common Beginner Mistakes
- ① Oxygen poisons the polymerization
- ② Runaway at high temperature
- ③ Wrong initiator level hurts conversion
- ④ Poor precipitation leaves oligomers
- ⑤ Unpurified monomer inhibits growth
❓ FAQ
+Low molecular weight?
Lower initiator, temperature, or extend time.
+Impure product?
Re-precipitate multiple times.
+Control dispersity?
Use controlled/RAFT polymerization.