METHOD FOR PREPARING RECYCLED ABS RESIN

Title:

METHOD FOR PREPARING RECYCLED ABS RESIN

Document Type and Number:

WIPO Patent Application WO/2023/182664

Kind Code:

A1

Abstract:

The present invention relates to a method for preparing a recycled ABS resin, comprising the steps of: preparing an extrusion feed comprising an acrylonitrile butadiene styrene (ABS) base resin containing polyurethane, a metal carboxylic acid salt, and a polyhydric alcohol; and performing a depolymerization reaction of the polyurethane and extruding the extrusion feed, by feeding an extrusion feed into an extruder.

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Inventors:

LEE SANG HO (KR)
OH HYUN TAEK (KR)
HEO SEONG BEOM (KR)
KIM GYO HEE (KR)
CHA SEON CHEOL (KR)
KIM SEO HWA (KR)
KIM YEONG MIN (KR)
SHIN SANG CHEOL (KR)

Application Number:

PCT/KR2023/002303

Publication Date:

September 28, 2023

Filing Date:

February 16, 2023

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

C08J11/22; B29B9/06; B29B11/10

Domestic Patent References:

WO2021023889A1

2021-02-11

Foreign References:

KR20020056162A	2002-07-10
CN102618010A	2012-08-01
JPH06155474A	1994-06-03
JP2000505125A	2000-04-25

Attorney, Agent or Firm:

P&P PATENT LAW FIRM (KR)

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