公开(公告)号：US20210253752A1

公开(公告)日：2021-08-19

申请号：US17213703

申请日：2021-03-26

Applicant: BASF SE

Inventor： Rosa Corberan Roc ,  Klaus Muehlbach ,  Thomas Wettling ,  Sergei V. Kostjuk ,  Irina Vasilenko ,  Dmitryi Shiman

IPC: C08F110/10 ,  C08F10/10 ,  C08F4/14

Abstract: The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 80 mol %. The present invention further relates to novel isobutene polymers.

公开(公告)号：US10975180B2

公开(公告)日：2021-04-13

申请号：US16074229

申请日：2017-02-13

Applicant: BASF SE

Inventor： Rosa Corberan Roc ,  Klaus Muehlbach ,  Thomas Wettling ,  Sergei V. Kostjuk ,  Irina Vasilenko ,  Dmitryi Shiman

IPC: C08F110/10

Abstract: The present invention relates to a process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 70 mol %, which comprises polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or an alkylaluminum halide-donor complex effective as a polymerization catalyst, wherein the aluminum trihalide or alkylaluminum halide is treated with at least one inorganic hydrate.

公开(公告)号：US09963521B2

公开(公告)日：2018-05-08

申请号：US13765031

申请日：2013-02-12

Applicant: BASF SE

Inventor： Thomas Wettling ,  Stefan Hirsch ,  Markus Brym ,  Markus Weis ,  Rosa Corberan Roc ,  Klaus Muehlbach ,  Robert Haschick ,  Andreas Daiss ,  Marco-Christian Volland

IPC: C08F110/10 ,  C08F4/52 ,  C08F4/70

CPC classification number: C08F4/52 ,  C08F4/70 ,  C08F110/10 ,  C08F4/14 ,  C08F2/06 ,  C08F2/38 ,  C08F2500/01 ,  C08F2500/04

Abstract: Preparation of isobutene homopolymers having a weight-average molecular weight of 75 000 to 10 000 000 by polymerization of isobutene, by (a) performing the polymerization at −80° C. to −190° C., (b) using, as an inert solvent, optionally halogenated C1 to C5 hydrocarbons, (c) using, as a polymerization catalyst, a Lewis acid complex, (d) performing the polymerization in the presence of at least one reaction accelerator in the form of an ethylenically saturated hydrocarbon compound comprising one oxygen atom and no abstractable proton, and (e) performing the polymerization in the presence of at least one chain length regulator comprising one tertiary olefinic carbon atom.

公开(公告)号：US11629206B2

公开(公告)日：2023-04-18

申请号：US17213703

申请日：2021-03-26

Applicant: BASF SE

Inventor： Rosa Corberan Roc ,  Klaus Muehlbach ,  Thomas Wettling ,  Sergei V. Kostjuk ,  Irina Vasilenko ,  Dmitryi Shiman

IPC: C08F4/14 ,  C08F10/10 ,  C08F110/10

Abstract: The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 80 mol %. The present invention further relates to novel isobutene polymers.

公开(公告)号：US10975175B2

公开(公告)日：2021-04-13

申请号：US16318749

申请日：2017-07-14

Applicant: BASF SE

Inventor： Rosa Corberan Roc ,  Klaus Muehlbach ,  Thomas Wettling ,  Sergei V. Kostjuk ,  Irina Vasilenko ,  Dmitryi Shiman ,  Ivan Berazianka

IPC: C08F10/10 ,  C08F4/10 ,  C08F4/14 ,  C08F4/16 ,  C08F4/26 ,  B01J27/24 ,  B01J31/00 ,  C08F4/18 ,  C08K5/19 ,  C08K5/3445 ,  C08K5/3472 ,  C08K5/353 ,  C08K5/50 ,  B01J31/02

Abstract: The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 70 mol %. The present invention further relates to novel isobutene polymers.

公开(公告)号：US11359034B2

公开(公告)日：2022-06-14

申请号：US16634697

申请日：2018-08-07

Applicant: BASF SE

Inventor： Rosa Corberan Roc ,  Klaus Muehlbach ,  Thomas Wettling ,  Sergei V. Kostjuk ,  Irina Vasilenko ,  Dmitryi Shiman

IPC: C08F10/10

Abstract: The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 70 mol %. The present invention further relates to novel isobutene polymers.

公开(公告)号：US10968294B2

公开(公告)日：2021-04-06

申请号：US16073586

申请日：2017-02-13

Applicant: BASF SE

Inventor： Rosa Corberan Roc ,  Klaus Muehlbach ,  Thomas Wettling ,  Sergei V. Kostjuk ,  Irina Vasilenko ,  Dmitryi Shiman

IPC: C08F4/14 ,  C08F10/10 ,  C08F110/10

Abstract: The present invention relates to a process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per homo- or copolymer chain end of at least 70 mol % which comprises polymerizing isobutene or an isobutene-comprising monomer mixture in the presence of an aluminum trihalide-donor complex effective as a polymerization catalyst or of an alkylaluminum halide-donor complex, said complex comprising, as the donor, a mixture of at least two organic compounds with at least one ether function each.

公开(公告)号：US10731035B2

公开(公告)日：2020-08-04

申请号：US16307723

申请日：2017-06-08

Applicant: BASF SE

Inventor： Ruth Lohwasser ,  Natalie Beatrice Janine Herle ,  Rosa Corberan Roc ,  Axel Hust

IPC: C08L77/00 ,  C08L23/22 ,  C08L77/06 ,  B29C45/00 ,  C08L35/00 ,  C08L77/02 ,  B29K77/00

Abstract: A thermoplastic molding composition containing A) 20 to 99.9 wt % of a thermoplastic polyamide, B) 0.1 to 40 wt % of an alkenylsuccinic acid derivative obtained by reaction of polyiso-butene (B1) having a number-average molecular weight Mn of 10,000 to 50,000 at temperatures of 180° C. to 250° C. with maleic acid or derivatives thereof (B2) in a stoichiometric ratio of at least 2 equivalents of α,β-unsaturated mono- and dicarboxylic acid or derivatives thereof (B2) per reactive double bond in the polyisobutene (B1) for a duration of at least 15 minutes to 10 hours and up to 10 bar of positive pressure, wherein the derivatives are anhydrides, mono- or dialkyl esters, and mixed esters, and wherein the reactive double bonds are the sum total of the terminal α- and β-double bonds in the polyisobutene (B1), and C) 0 to 60 wt % of further additives, wherein the weight percentages for the components A) to C) sum to 100%.