公开(公告)号：US20250083371A1

公开(公告)日：2025-03-13

申请号：US18280582

申请日：2023-02-16

Applicant: LG CHEM, LTD.

Inventor： Sang Ho LEE ,  Hyun Taek OH ,  Seong Beom HEO ,  Gyo Hee KIM ,  Seon Cheol CHA ,  Seo Hwa KIM ,  Yeong Min KIM ,  Sang Cheol SHIN

IPC: B29C48/00 ,  B29C48/78 ,  B29K55/02 ,  B29K75/00 ,  B29K105/26 ,  C08J11/24 ,  C08L55/02

Abstract: Provided is a method for preparing a recycled ABS resin, and the method for preparing a recycled ABS resin includes: preparing an extrusion feed including an acrylonitrile butadiene styrene (ABS) base resin including polyurethane, a metal carboxylic acid salt, and a polyhydric alcohol; and supplying the extrusion feed to an extruder to perform a depolymerization reaction of the polyurethane and extruding the extrusion feed.