RO81031B1 - Procedeu de obtinere a divinilbenzenului - Google Patents

Procedeu de obtinere a divinilbenzenului

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Publication number
RO81031B1
RO81031B1 RO102232A RO10223280A RO81031B1 RO 81031 B1 RO81031 B1 RO 81031B1 RO 102232 A RO102232 A RO 102232A RO 10223280 A RO10223280 A RO 10223280A RO 81031 B1 RO81031 B1 RO 81031B1
Authority
RO
Romania
Prior art keywords
divinylbenzene
mmhg
degrees
crude
ethylvinylbenzene
Prior art date
Application number
RO102232A
Other languages
English (en)
Other versions
RO81031A2 (ro
Inventor
Georgeta Maria-Antonia Csomontanyi
Mihai Mihailescu
Dumitru Goidea
Dorin Virgil Pascu
Leonida Costea
Original Assignee
Institutul De Cercetari Inginerie Tehnologica Si Proiectari Pentru Rafinarii
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 Institutul De Cercetari Inginerie Tehnologica Si Proiectari Pentru Rafinarii filed Critical Institutul De Cercetari Inginerie Tehnologica Si Proiectari Pentru Rafinarii
Priority to RO80102232A priority Critical patent/RO81031A2/ro
Publication of RO81031B1 publication Critical patent/RO81031B1/ro
Publication of RO81031A2 publication Critical patent/RO81031A2/ro

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

Abstract

Procedeu de obtinere a divinilbenzenului, din amestecul rezultat la dehidrogenarea dietilbenzenului, caracterizat prin aceea ca, în vederea separarii avansate, divinilbenzenul brut cu un continut de 55...60% divinilbenzen, 30...35%etilvinilbenzen, 2 ...5% produse grele ori rasini polivinilice, 1000 ppm dinitrofenol si ulei termostabil, de preferinta cu punctul de topire (de fierbere) minim 300 degree C/760 mmHg, luat în raport de greutate de 6: 1, este supus distilarii într-o coloana care are temperatura în blaz de 80...120 degree C, temperatura la vîrf de 70...95 degree C si un vid de 3...15 mmHg, apoi reziduul de blaz este refolosit la o sarja proaspata de produs brut.
RO80102232A 1980-09-27 1980-09-27 Procedeu de obtinere a divinilbenzenului RO81031A2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO80102232A RO81031A2 (ro) 1980-09-27 1980-09-27 Procedeu de obtinere a divinilbenzenului

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO80102232A RO81031A2 (ro) 1980-09-27 1980-09-27 Procedeu de obtinere a divinilbenzenului

Publications (2)

Publication Number Publication Date
RO81031B1 true RO81031B1 (ro) 1983-01-30
RO81031A2 RO81031A2 (ro) 1983-02-01

Family

ID=20109009

Family Applications (1)

Application Number Title Priority Date Filing Date
RO80102232A RO81031A2 (ro) 1980-09-27 1980-09-27 Procedeu de obtinere a divinilbenzenului

Country Status (1)

Country Link
RO (1) RO81031A2 (ro)

Also Published As

Publication number Publication date
RO81031A2 (ro) 1983-02-01

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