METHOD FOR PREPARING RECYCLED ABS RESIN

Title:

METHOD FOR PREPARING RECYCLED ABS RESIN

Document Type and Number:

WIPO Patent Application WO/2024/071600

Kind Code:

A1

Abstract:

The present invention provides a method for preparing a recycled acrylonitrile-butadiene-styrene (ABS) resin, comprising the steps of: preparing an extrusion feed including an ABS-based resin, which comprises a polyurethane, and a metal carboxylate or a hydrate of the metal carboxylate; and supplying the extrusion feed to an extruder, thereby depolymerizing the polyurethane and extruding the extrusion feed, wherein the master index (M) value satisfies 0.2≤M≤0.6.

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Inventors:

KIM DO DAM (KR)
LEE SANG HO (KR)
KANG JUE HYUNG (KR)
KIM JUN SIK (KR)
PARK JONG SUH (KR)
OH HYUN TAEK (KR)

Application Number:

PCT/KR2023/009381

Publication Date:

April 04, 2024

Filing Date:

July 04, 2023

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C08J11/22; B29B9/06; B29B11/10

Foreign References:

KR101985542B1

2019-06-03

Attorney, Agent or Firm:

P&P PATENT LAW FIRM (KR)

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