Process for purification of isoprene

Details Process for purification of isoprene Process for purification of isoprene

1977-12-14

1979-04-03

Holler, Alan

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

2606815R, 5263402, C08F13608, C07C 704, C07C 1118

Patent

active

041478487

ABSTRACT:
A process for purifying a crude isoprene containing polymerization inhibiting materials such as acetylenes and sulfur compounds to produce high purity or polymerization grade isoprene comprising distilling the crude isoprene in the presence of at least one member selected from saturated hydrocarbons containing 6 to 8 carbon atoms, withdrawing the polymerization inhibiting materials as an overhead fraction and obtaining purified isoprene as a bottom fraction.

REFERENCES:
patent: 3285901 (1966-11-01), Forman
patent: 3442878 (1969-05-01), Gippin
patent: 3549721 (1970-12-01), Sholtis et al.
patent: 3583966 (1971-06-01), Davison
patent: 3635931 (1972-01-01), Davison
patent: 3784626 (1974-01-01), Ginnasi et al.
patent: 3851010 (1974-11-01), Rescalli et al.
patent: 3860496 (1975-01-01), Ginnasi et al.
patent: 3947506 (1976-03-01), Lybarger
patent: 3980528 (1976-09-01), Rescalli et al.

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