Styrene → Styrene-butadiene-styrene

HRID 1502926Notes

Reaction equation

HRID 1502926 reaction equation
[CH2:1]=[CH:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[CH2:9]=[CH:10][CH:11]=[CH2:12]>>[CH2:1]=[CH:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.[CH2:9]=[CH:10][CH:11]=[CH2:12].[CH2:1]=[CH:2][C:3]1[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1

Participants

3

Reactant 2

HCID 7501StyreneHCID 78451,3-Butadiene

Product 1

HCID 22280236Styrene-butadiene-styrene

Procedure

Using the same polymerisation process as in Example 8, a styrene-butadiene-styrene triblock copolymer in vinyl medium (SBS) is prepared, with the following copolymer composition by weight: styrene (23%) and butadiene (77%) (vinyl content in polybutadiene: 31%), with Mw=245,000 g/mol and polydispersity index=1.9.

Sources & evidence

ORD record
ord-9566e84005f44718bfed31b37df14f67
Source dataset
uspto-grants-2015_12
Patent number
US09211532B2

Reaction notes

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