公开(公告)号：US12286525B2

公开(公告)日：2025-04-29

申请号：US17639131

申请日：2020-09-04

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Tamara Marijke Eggenhuisen ,  Shigeru Haba ,  Eduardus Ludovicus Louisa Broekaart ,  Sijun Li

IPC: C08K5/41 ,  C08K5/00 ,  C08K5/08

Abstract: The present invention relates a polycarbonate composition comprising polycarbonate, acid stabiliser and at least one anthraquinone based colorant having at least one hydroxyl group, wherein the composition has a transmission of at least 80% in an infrared light wavelength range of from 760-1120 nm, wherein transmission is determined on an injection moulded plaque having a thickness of 2 mm prepared by injection moulding the composition at a maximum temperature of 320° C. and at a residence time of 10 minutes. Preferably the composition has a transmission of at most 10% in the visible light wavelength range of from 380-740 nm.

公开(公告)号：US20220289943A1

公开(公告)日：2022-09-15

申请号：US17639131

申请日：2020-09-04

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Tamara Marijke Eggenhuisen ,  Shigeru Haba ,  Eduardus Ludovicus Louisa Broekaart ,  Sijun Li

IPC: C08K5/08 ,  C08K5/00 ,  C08K5/41

Abstract: The present invention relates a polycarbonate composition comprising polycarbonate, acid stabiliser and at least one anthraquinone based colorant having at least one hydroxyl group, wherein the composition has a transmission of at least 80% in an infrared light wavelength range of from 760-1120 nm, wherein transmission is determined on an injection moulded plaque having a thickness of 2 mm prepared by injection moulding the composition at a maximum temperature of 320° C. and at a residence time of 10 minutes. Preferably the composition has a transmission of at most 10% in the visible light wavelength range of from 380-740 nm.