GB1361429A - Production of high molecular weight polysobutylenes - Google Patents

Production of high molecular weight polysobutylenes

Info

Publication number
GB1361429A
GB1361429A GB5453471A GB5453471A GB1361429A GB 1361429 A GB1361429 A GB 1361429A GB 5453471 A GB5453471 A GB 5453471A GB 5453471 A GB5453471 A GB 5453471A GB 1361429 A GB1361429 A GB 1361429A
Authority
GB
United Kingdom
Prior art keywords
isobutylene
high molecular
molecular weight
accelerator
nov
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5453471A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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
Priority claimed from DE19702057953 external-priority patent/DE2057953A1/en
Priority claimed from DE19712110682 external-priority patent/DE2110682A1/en
Application filed by BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1361429A publication Critical patent/GB1361429A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

1361429 Polymerizing isobutylene BADISCHE ANILIN- & SODA-FABRIK AG 24 Nov 1971 [25 Nov 1970 5 March 1971] 54534/71 Heading C3P High molecular weight polyisobutylene is prepared by polymerizing isobutylenes at below - 50‹ C. in an inert diluent in the presence of a Friedel-Crafts catalyst and an accelerator and 2 to 3000 ppm by weight of the isobutylene of R<SP>1</SP>CONR<SP>2</SP>R<SP>3</SP>, R<SP>1</SP>COOR<SP>2</SP>, R<SP>1</SP>NR<SP>2</SP>R<SP>3</SP> or R<SP>1</SP>C(OR<SP>2</SP>) 3 where R<SP>1</SP>, R<SP>2</SP> and R<SP>3</SP> are linear or branched alkyl, C 5-10 cycloalkyl or aromatic substituents, and R<SP>1</SP> may also be hydrogen or in formula R<SP>1</SP>C(OR<SP>2</SP>) 3 or an ethoxy group. The accelerator may be an alcohol and the diluent ethylene, methylene chloride, pentane or heptane. The catalyst may be boron trifluoride, boron trichloride, aluminium chloride, aluminium bromide, titanium tetrachloride or tin tetrachloride. Many suitable additives are specified and examples describe the polymerization of isobutylene in ethylene in the presence of boron trifluoride, butanol and (1) dimethyl formamide, (2) dimethyl aniline, (3) pyridine, (4) dimethyl acetamide, (5) trimethyl orthoformate, (6 and 7) triethyl orthoformate and (8) triethyl orthopropionate.
GB5453471A 1970-11-25 1971-11-24 Production of high molecular weight polysobutylenes Expired GB1361429A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702057953 DE2057953A1 (en) 1970-11-25 1970-11-25 High mol wt polyisobutylene - by polymerising isobutylene with friede catalyst, accelerator and controller
DE19712110682 DE2110682A1 (en) 1971-03-05 1971-03-05 High mol wt polyisobutylene - by polymerising isobutylene with friede catalyst, accelerator and controller

Publications (1)

Publication Number Publication Date
GB1361429A true GB1361429A (en) 1974-07-24

Family

ID=25760100

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5453471A Expired GB1361429A (en) 1970-11-25 1971-11-24 Production of high molecular weight polysobutylenes

Country Status (3)

Country Link
BE (1) BE775626A (en)
FR (1) FR2115845A5 (en)
GB (1) GB1361429A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663406A (en) * 1985-03-15 1987-05-05 Basf Aktiengesellschaft Catalyst systems for the cationic polymerization of isobutylene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4663406A (en) * 1985-03-15 1987-05-05 Basf Aktiengesellschaft Catalyst systems for the cationic polymerization of isobutylene

Also Published As

Publication number Publication date
BE775626A (en) 1972-05-19
FR2115845A5 (en) 1972-07-07

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee