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Patent Searching and Data


Title:
PREPARATION METHOD OF THERMOPLASTIC RESIN
Document Type and Number:
WIPO Patent Application WO/2018/110825
Kind Code:
A3
Abstract:
The present invention relates to a preparation method of a thermoplastic resin and, more particularly, to a method for preparing a thermoplastic resin, the method comprising: A) coagulating emulsion-polymerized latex with acid; B) treating the coagula (slurry) with alkali, followed by dehydration; and C) treating the dehydrated wet powder with acid, followed by dehydration. According to the present invention, there is an effect of providing a method for preparing a thermoplastic resin exhibiting reduced gas generation, color improvement, and excellent thermal stability.

Inventors:
KIM, In Soo (LG Chem Research Park, 188 Munji-ro,Yuseong-gu, Daejeon, 34122, KR)
LEE, Hyung Sub (LG Chem Research Park, 188 Munji-ro,Yuseong-gu, Daejeon, 34122, KR)
JU, Min Cheol (LG Chem Research Park, 188 Munji-ro,Yuseong-gu, Daejeon, 34122, KR)
SHIN, Min Seung (LG Chem Research Park, 188 Munji-ro,Yuseong-gu, Daejeon, 34122, KR)
HONG, Sung Won (LG Chem Research Park, 188 Munji-ro,Yuseong-gu, Daejeon, 34122, KR)
Application Number:
KR2017/012161
Publication Date:
September 07, 2018
Filing Date:
October 31, 2017
Export Citation:
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Assignee:
LG CHEM, LTD. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
C08F6/22; C08F297/04; C08J3/12; C08L25/12; C08L55/02
Foreign References:
JPH07188329A1995-07-25
KR20090038510A2009-04-21
KR101146072B12012-05-14
KR20160028357A2016-03-11
JP2000007728A2000-01-11
US5698666A1997-12-16
Attorney, Agent or Firm:
NEWKOREA PATENT & LAW FIRM (5th Fl, Singwan 433, Seolleung-ro,Gangnam-gu, Seoul, 06212, KR)
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