公开(公告)号：US20230287175A1

公开(公告)日：2023-09-14

申请号：US18017253

申请日：2021-07-15

Applicant: SABIC Global Technologies B.V.

Inventor： Anthoni Wouter Zijl Van ,  Nicolas Goyheneix ,  Lara Maria Galan-Sanchez ,  Christoph Roosen ,  Johan Pastwa ,  Safa Farajzadeh Bibalan

IPC: C08G64/30 ,  C08J11/10

CPC classification number: C08G64/307 ,  C08J11/10 ,  C08J2369/00

Abstract: Process for the production of polycarbonates comprising: providing a hydrocarbon stream A obtained by treatment of a waste plastics feedstock; supplying a feed C comprising a fraction of the hydrocarbon stream A and a fraction of a hydrocarbon stream B to a thermal cracker furnace comprising cracking coil(s); thermally cracking in the presence of steam to obtain a cracked hydrocarbon stream D; separating a product stream E comprising propylene and a product stream F comprising benzene from the cracked hydrocarbon stream D; performing a reaction and one or more separation step to obtain a product stream G comprising phenol; supplying the product stream G and acetone to a reactor and performing a reaction and one or more separation step to obtain a product stream H comprising bisphenol-A; and supplying the product stream H with phosgene or diphenyl carbonate to a reactor and performing a polymerisation reaction to obtain a polycarbonate.