Title:
METHOD FOR PREPARING SUPER ABSORBENT POLYMER
Document Type and Number:
WIPO Patent Application WO/2022/169227
Kind Code:
A1
Abstract:
The present invention relates to a method of preparing a superabsorbent polymer and, more specifically, to a method of preparing a superabsorbent polymer, the method being capable of more efficiently producing a superabsorbent polymer having excellent absorbance and an appropriate gel hardness by utilizing a combination of a particular polymerization initiator and a chelating agent in a crosslinking polymerization step.
Inventors:
LEE SERIN (KR)
YANG SEUNG HUN (KR)
KIM JU EUN (KR)
CHO JOONIL (KR)
LEE HOYONG (KR)
LEE JUNGMIN (KR)
YANG SEUNG HUN (KR)
KIM JU EUN (KR)
CHO JOONIL (KR)
LEE HOYONG (KR)
LEE JUNGMIN (KR)
Application Number:
PCT/KR2022/001592
Publication Date:
August 11, 2022
Filing Date:
January 28, 2022
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C08J3/12; A61F13/53; A61L15/24; A61L15/60; C08F2/10; C08F2/44; C08F20/02; C08J3/075; C08J3/24; C08L101/14
Domestic Patent References:
| WO2020059871A1 | 2020-03-26 |
Foreign References:
| KR101245467B1 | 2013-03-25 | |||
| KR102165459B1 | 2020-10-14 | |||
| KR20180128463A | 2018-12-03 | |||
| KR20160035569A | 2016-03-31 |
Other References:
REINHOLD SCHWALM: "UV Coatings: Basics, Recent Developments and New Application", 2007, ELSEVIER, pages: 115
See also references of EP 4166599A4
See also references of EP 4166599A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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