Patent application number | Description | Published |
20080221285 | Solvent-Stable Metal Complexes Having Slightly Coordinating Counter Anions as Polymerisation Catalysts - The invention relates to a solvent-stable metal catalyst having slightly coordinating counter anions of formula I [M(L) | 09-11-2008 |
20080249264 | Method For Producing Highly Reactive Isobutylene Homo-Or Copolymers from Technical Flows of C4-Hydrocarbon Using Bronsted Acid Catalyst Complexes - Preparation of highly reactive isobutene homo- or copolymers with M | 10-09-2008 |
20080249267 | Method for Producing Highly Reactive Isobutylene Homo-or Copolymers Using Boron-Containing Catalyst Complexes - Preparation of highly reactive isobutene homo- or copolymers having M | 10-09-2008 |
20080293900 | Method for Producing Highly Reactive Isobutylene Homo-or Copolymers Using Metal-Containing Catalyst Complexes - Preparation of highly reactive isobutene homo- or copolymers having M | 11-27-2008 |
20090018298 | COPOLYMERS FORMED BY RADICAL POLYMERIZATION - Certain copolymers formed from alkenes and one or more activated alkenes. In particular copolymers of isobutylene and one or more activated alkenes. Activated alkenes are, for example, selected from alkyl acrylates, alkyl methacrylates, maleic anhydride, or isobutenyl succinic anhydride. | 01-15-2009 |
20090023882 | PROCESS FOR PREPARATION OF POLYISOBUTYLENE WHOSE CONTENT OF TERMINAL DOUBLE BONDS IS MORE THAN 50% FROM AN INDUSTRIAL C4 HYDROCARBON STREAM COMPRISING 1-BUTENE, 2-BUTENE AND ISOBUTENE - Preparation of polyisobutylene having a content of terminal double bonds of more than 50% by polymerizing isobutene using a polymerization catalyst customary therefor from a technical 1-butene-, 2-butene- and isobutene-containing C | 01-22-2009 |
20090105432 | METHOD FOR POLYMERISING ETHYLENICALLY UNSATURATED POLYISOBUTENE - The invention relates to a method for polymerising ethylenically unsaturated monomers, wherein ethylenically unsaturated monomers are polymerised in the presence of a solvent-stable transition metal complex having slightly co-ordinating anions as polymer catalysts. The invention also relates to specific solvent-stable transition metal complexes having slightly co-ordinating anions. The invention also relates to highly reactive copolymers which are made of monomers comprising isobutene and at least one vinylaromatic compound which can be obtained according to said inventive method. | 04-23-2009 |
20100170636 | SEMI-INTERPENETRATING NETWORK HAVING A PHASE OF A LINEAR NONCROSSLINKED ISOBUTENE POLYMER - A description is given of a semi-interpenetrating network having a first phase of a linear noncrosslinked isobutene polymer and a second phase of a crosslinked polymer, wherein the crosslinked polymer is obtained by crosslinking molecular enlargement reaction in the presence of the isobutene polymer. The crosslinked polymer is preferably obtained by free-radical polymerization of ethylenically unsaturated monomers comprising at least one polyethylenically unsaturated monomer. The networks are suitable as molding compounds having gas and moisture barrier effect or as adhesives. | 07-08-2010 |
20100292422 | METHOD FOR PRODUCING COPOLYMERS MADE FROM ISOBUTENE AND AT LEAST ONE VINYLAROMATIC COMPONENT - The invention relates to a method for producing copolymers made from isobutene and at least one vinylaromatic component. Said method consists of polymerising isobutene or a hydrocarbon mixture containing isobutene with at least one vinylaromatic compound in the presence of a solvent-stable transistion metal complex comprising slightly co-ordinating anions as a polymerisation catalyst. The invention also relates to copolymers made of isobutene and at least one vinylaromatic compound, which can be obtained by means of said inventive method, in addition to specific functionalisation products therefrom. | 11-18-2010 |