SU946169A1 - METHOD OF CLEANING ISOPRENE - Google Patents

METHOD OF CLEANING ISOPRENE

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Publication number
SU946169A1
SU946169A1 SU2986341/04A SU2986341A SU946169A1 SU 946169 A1 SU946169 A1 SU 946169A1 SU 2986341/04 A SU2986341/04 A SU 2986341/04A SU 2986341 A SU2986341 A SU 2986341A SU 946169 A1 SU946169 A1 SU 946169A1
Authority
SU
USSR - Soviet Union
Prior art keywords
isoprene
isobutylene
formaldehyde
synthesis
cleaning
Prior art date
Application number
SU2986341/04A
Other languages
Russian (ru)
Inventor
В.Н. Чуркин
В.А. Горшков
С.Ю. Павлов
В.И. Бутин
Original Assignee
В.Н. Чуркин
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by В.Н. Чуркин filed Critical В.Н. Чуркин
Priority to SU2986341/04A priority Critical patent/SU946169A1/en
Application granted granted Critical
Publication of SU946169A1 publication Critical patent/SU946169A1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Способ очистки изопрена, выделенного из продуктов синтеза его на основе изобутилена и формальдегида, от примесей, мешающих стереорегулярной полимеризации, путем экстрактивной ректификации в присутствии разделяющего агента, отличающийся тем, что, с целью снижения энергозатрат, в качестве разделяющего агента используют высококипящий побочный продукт, образующийся на стадиях синтеза или разложения диметилдиоксана в изопрен в процессе его производства из изобутилена и формальдегида, или высококипящий побочный продукт, образующийся в процессе одностадийного производства изопрена из изобутилена и формальдегида.The method of purification of isoprene, isolated from the products of its synthesis on the basis of isobutylene and formaldehyde, from impurities that interfere with stereoregular polymerization, by extractive distillation in the presence of a separating agent, characterized in that, in order to reduce energy consumption, a high-boiling byproduct formed at the stages of the synthesis or decomposition of dimethyldioxane into isoprene during its production from isobutylene and formaldehyde, or a high-boiling by-product formed in The process of one-stage production of isoprene from isobutylene and formaldehyde.

SU2986341/04A 1980-06-20 1980-06-20 METHOD OF CLEANING ISOPRENE SU946169A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2986341/04A SU946169A1 (en) 1980-06-20 1980-06-20 METHOD OF CLEANING ISOPRENE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2986341/04A SU946169A1 (en) 1980-06-20 1980-06-20 METHOD OF CLEANING ISOPRENE

Publications (1)

Publication Number Publication Date
SU946169A1 true SU946169A1 (en) 2000-07-27

Family

ID=60523804

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2986341/04A SU946169A1 (en) 1980-06-20 1980-06-20 METHOD OF CLEANING ISOPRENE

Country Status (1)

Country Link
SU (1) SU946169A1 (en)

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