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：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：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.