Method for producing highly reactive isobutylene homo- or copolymers using metal-containing catalyst complexes
The invention relates to the production of highly reactive isobutylene homo- or copolymers with Mn = 500 to 45,000 by polymerizing isobutylene in liquid phase in the presence of a dissolved, dispersed or supported boron-containing catalyst complex by using, as a catalyst complex, a Bronsted compound...
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| creator | HANEFELD PHILLIP VOIT BRIGITTE BOEHM VOLKER SIGL MARCUS ROEPER MICHAEL HIJAZI AHMED NARAYANAN RADHA KRISHNAN CHALLAND NINA KUEHN FRITZ ELMAR |
| description | The invention relates to the production of highly reactive isobutylene homo- or copolymers with Mn = 500 to 45,000 by polymerizing isobutylene in liquid phase in the presence of a dissolved, dispersed or supported boron-containing catalyst complex by using, as a catalyst complex, a Bronsted compound (I) [H]m+1 [R R R B-(-A-BR R -)n-R ] Lx (I), in which: R to R represent aliphatic, heterocyclic or aromatic fluorine-containing hydrocarbon radicals, which are independent of one another and which each have 1 to 18 carbon atoms or silyl groups containing C1 to C18 hydrocarbon radicals; A represents a bridge member that, via its nitrogen atoms forms bonds which are covalent to the boron atoms; L represents neutral solvent molecules; n = 0 or 1; m = 0 or 1, and; x = 0. |
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| subjects | ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Method for producing highly reactive isobutylene homo- or copolymers using metal-containing catalyst complexes |
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