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SU605400A1 - METHOD OF OBTAINING BOTTLE KNOB - Google Patents

METHOD OF OBTAINING BOTTLE KNOB

Info

Publication number
SU605400A1
SU605400A1 SU02194905/05A SU2194905A SU605400A1 SU 605400 A1 SU605400 A1 SU 605400A1 SU 02194905/05 A SU02194905/05 A SU 02194905/05A SU 2194905 A SU2194905 A SU 2194905A SU 605400 A1 SU605400 A1 SU 605400A1
Authority
SU
USSR - Soviet Union
Prior art keywords
methyl chloride
chloride
catalyst
solution
concentrated
Prior art date
Application number
SU02194905/05A
Other languages
Russian (ru)
Inventor
В.Н. Забористов
Н.В. Лемаев
П.А. Вернов
А.П. Троицкий
А.Г. Лиакумович
Б.З. Яковлев
В.П. Кичигин
Л.Я. Перлин
М.М. Яманова
Original Assignee
В.Н. Забористов
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. Забористов filed Critical В.Н. Забористов
Priority to SU02194905/05A priority Critical patent/SU605400A1/en
Application granted granted Critical
Publication of SU605400A1 publication Critical patent/SU605400A1/en

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

1. Способ получения бутилкаучука сополимеризацией изобутилена с изопреном в среде метилхлорида при (-30) - (-100)С в присутствии в качестве катализатора хлористого алюминия, отличающийся тем, что, с целью повышения активности катализатора, повышения молекулярного веса продукта и увеличения производительности установки, сначала готовят раствор катализатора в хлористом метиле концентрацией от 0,08 до 2 вес.%, затем разбавляют концентрированный раствор непосредственно перед полимеризатором при (-30) - (-90)С и времени контакта основной массы хлористого метила с хлористым алюминием от 10с до 10 с при соотношении потоков концентрированного раствора катализатора и растворителя от 1 : 3 до 1 : 99.2. Способ по п.1, отличающийся тем, что, с целью его упрощения, разбавление производят возвратной метилхлоридизобутиленовой фракцией при соотношении фракции и концентрированного раствора хлористого алюминия от 24 : 1 до 0,1 : 1,0.3. Способ по п.2, отличающийся тем, что метилхлоридизобутиленовая фракция перед использованием переиспаряется от тяжелокипящих примесей при 10 - 60С.1. The method of producing butyl rubber by copolymerization of isobutylene with isoprene in methyl chloride at (-30) - (-100) C in the presence of aluminum chloride as a catalyst, characterized in that, in order to increase the catalyst activity, increase the molecular weight of the product and increase plant capacity , first prepare a solution of the catalyst in methyl chloride with a concentration of from 0.08 to 2 wt.%, then dilute the concentrated solution immediately before the polymerizer at (-30) - (-90) C and the contact time of the main mass of chloride of methyl chloride with aluminum from 10c to 10 seconds at a ratio of concentrated catalyst solution flows and the solvent of 1: 3 to 1: 99.2. The method according to claim 1, characterized in that, in order to simplify it, the dilution is produced by returning the methyl chloride isobutylene fraction with a ratio of fraction and concentrated aluminum chloride solution from 24: 1 to 0.1: 1.0. The method according to claim 2, characterized in that the methyl chloride isobutylene fraction is re-evaporated from heavy boiling impurities at 10-60 ° C before use.

SU02194905/05A 1975-04-23 1975-04-23 METHOD OF OBTAINING BOTTLE KNOB SU605400A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU02194905/05A SU605400A1 (en) 1975-04-23 1975-04-23 METHOD OF OBTAINING BOTTLE KNOB

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU02194905/05A SU605400A1 (en) 1975-04-23 1975-04-23 METHOD OF OBTAINING BOTTLE KNOB

Publications (1)

Publication Number Publication Date
SU605400A1 true SU605400A1 (en) 1999-12-10

Family

ID=60520837

Family Applications (1)

Application Number Title Priority Date Filing Date
SU02194905/05A SU605400A1 (en) 1975-04-23 1975-04-23 METHOD OF OBTAINING BOTTLE KNOB

Country Status (1)

Country Link
SU (1) SU605400A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2415154C1 (en) * 2009-09-16 2011-03-27 Открытое акционерное общество "Нижнекамскнефтехим" Butyl rubber synthesis method
RU2470037C2 (en) * 2007-08-31 2012-12-20 Эксонмобил Кемикэл Пейтентс Инк. Method of reducing deposits in polymerisation vessels

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2470037C2 (en) * 2007-08-31 2012-12-20 Эксонмобил Кемикэл Пейтентс Инк. Method of reducing deposits in polymerisation vessels
RU2415154C1 (en) * 2009-09-16 2011-03-27 Открытое акционерное общество "Нижнекамскнефтехим" Butyl rubber synthesis method

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