Реакция #572104

ord-154895bc7a1d482dbd0a004fe8adda10

Уравнение реакции

CC(C)c1ccccc1.[O-]O
cumene hydroperoxide
C=C(C)C(=O)OC
methyl methacrylate
CCCCCCCCCCCCS
n-dodecyl mercaptan
O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
tetrasodium pyrophosphate
C=CC(=C)C
isoprene
CCCCCCCCCCCCOS(=O)(=O)[O-].[Na+]
sodium lauryl sulfate
→
C=C(C)C(=O)OC.C=CC(=C)C
isoprene methyl methacrylate

Реактанты

—
ice water
CC(C)c1ccccc1.[O-]O
cumene hydroperoxide
C=C(C)C(=O)OC
methyl methacrylate
CCCCCCCCCCCCS
n-dodecyl mercaptan
—
ferrous sulfate heptahydrate
O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
tetrasodium pyrophosphate
C=CC(=C)C
isoprene
CCCCCCCCCCCCOS(=O)(=O)[O-].[Na+]
sodium lauryl sulfate

Реагенты

Нет

Растворители

O
water

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    Температураis maintained between 25°-28° C.
  2. 2
    Другое12 grams of the copolymer are recovered

Методика

An isoprene-methyl methacrylate copolymer is prepared according to Example 17, except that the polymerization temperature is maintained between 25°-28° C. by cooling with ice water. The quantities of the reactants are as follows: 50 grams isoprene, 28 grams methyl methacrylate, 0.16 grams n-dodecyl mercaptan, 0.16 grams cumene hydroperoxide, 150 ml. deionized water, 0.30 grams ferrous sulfate heptahydrate, 0.28 grams tetrasodium pyrophosphate, 0.78 grams sodium lauryl sulfate, and 2.43 grams Triton X-405® (70% aqueous). 12 grams of the copolymer are recovered and the NMR spectrum of the copolymer shows that the copolymer contains 66.7 mole percent isoprene.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US04533482uspto-grants-1985_08