1,3-Butadiene → HCID 86584203, compound

HRID 1872476Notes

Reaction equation

HRID 1872476 reaction equation
[CH2:1]=[CH:2][CH:3]=[CH2:4].[CH:5]1[CH2:10][CH2:9][CH:8]=[CH:7][CH:6]=1.C(O)CCCCCC>C1CCCCC1>[CH2:1]=[CH:2][CH:3]=[CH2:4].[CH:10]1[CH2:9][CH2:8][CH:7]=[CH:6][CH:5]=1

Participants

5

Reactant 3

HCID 78451,3-ButadieneHCID 8129HeptanolHCID 116051,3-Cyclohexadiene

Product 1

HCID 86584203HCID 86584203, compound

Reagents, catalysts & solvents 1

HCID 8078CyclohexaneSolvent

Conditions

Temperature
40 °C

Procedure

The temperature of the autoclave was raised to 40° C. and thereafter 667 g of a cyclohexane solution of 30% by weight of butadiene (Bd) (Bd: 200 g) was introduced into the autoclave to carry out a polymerization reaction at 40° C. for 2 hours, obtaining a Bd homopolymer. Then, 200 g of 1,3-cyclohexadiene (CHD) was further introduced into the autoclave to carry out a polymerization reaction at 40° C. for 5 hours. After the polymerization reaction was completed, dehydrated n-heptanol was added in an amount equimolar to Li atoms to terminate the polymerization reaction. To the resultant polymer solution, IRGANOX B215 (0037HX), available from Ciba-Geigy, was added as a stabilizer, and desolvation was effected by a conventional method. Thus, a Bd-CHD di-block copolymer was obtained.

Workup

  1. customa polymerization reaction at 40° C. for 2 hours
  2. customobtaining a Bd homopolymer
  3. customa polymerization reaction at 40° C. for 5 hours
  4. customAfter the polymerization reaction
  5. additionwas added in an amount equimolar to Li atoms
  6. customto terminate
  7. customthe polymerization reaction

Sources & evidence

ORD record
ord-73603f6f76c84e1b88f1bad87b2ce55b
Source dataset
uspto-grants-2000_08
Patent number
US06110628

Reaction notes

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