Styrene → Styrene-butadiene-styrene

HRID 1637294Notes

Reaction equation

HRID 1637294 reaction equation
[CH2:1]1[CH2:6]CC[CH2:3][CH2:2]1.[CH2:7]=[CH:8][C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1.C([Li])CCC.C=CC=C>O1CCCC1>[CH2:7]=[CH:8][C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1.[CH2:6]=[CH:1][CH:2]=[CH2:3].[CH2:7]=[CH:8][C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][CH:10]=1

Participants

6

Reactant 4

HCID 7501StyreneHCID 78451,3-ButadieneHCID 8078CyclohexaneHCID 178418339Butyllithium

Product 1

HCID 22280236Styrene-butadiene-styrene

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

4,800 g of cyclohexane was charged to a 10 l autoclave and with the addition of 11 g of tetrahydrofuran, 124 g of styrene monomer and 20.0 mmol of n-butyl lithium, the mixture was under polymerization for 30 minutes. Then, 552 g of 1,3-butadiene monomer was added to the reactor to polymerize the mixture for 1 hour.

Workup

  1. customthe mixture was under polymerization for 30 minutes
  2. customto polymerize the mixture for 1 hour

Sources & evidence

ORD record
ord-10ac0a73f641429596bba66ff8817f9c
Source dataset
uspto-grants-2000_03
Patent number
US06040390

Reaction notes

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