公开(公告)号：US20250154297A1

公开(公告)日：2025-05-15

申请号：US18715296

申请日：2022-12-08

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Gert BOVEN ,  Klaas REMERIE ,  Francesco PICCHIONI ,  Hendrik VERHOOGT ,  Henky MULJANA

IPC: C08F8/32 ,  C08F8/34 ,  C08J3/24

Abstract: Process to create a thermal reversible crosslinking polypropylene system in the molten state, comprising at least the following step a) functionalization of a polypropylene grafted maleic anhydride (PPgMA) having a molecular weight of at least 9 kg/mol with an amine b) Crosslinking the functionalized polypropylene with bismaleimide to form a Diels Alder system.

公开(公告)号：US20230399448A1

公开(公告)日：2023-12-14

申请号：US18035604

申请日：2021-07-15

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Gert BOVEN ,  Francesco PICCHIONI ,  Klaas REMERIE ,  Chandrashekhar LINGANNAIAH ,  Senthil Kumar MINOR ,  Jerome VACHON

IPC: C08F255/02 ,  C09J151/06 ,  C08J5/18

CPC classification number: C08F255/02 ,  C08J2351/06 ,  C08J5/18 ,  C09J151/06

Abstract: The present invention relates to maleic acid derivatives polar group-containing polypropylene, the process to making the same by reactive extrusion in presence of a grafting agent, a polypropylene co- and/or homopolymer is put in contact with a Diels-Alder adduct which is the reaction product of a diene and a dienophile belonging to the group of maleic acid derivatives.