METHOD FOR MANUFACTURING CARBOXYMETHYL CELLULOSE PARTICLES, CARBOXYMETHYL CELLULOSE PARTICLES MANUFACTURED THEREBY, AND ABSORBENT ARTICLE COMPRISING SAME

WIPO Patent Application WO/2020/180117

A1

The present invention relates to a method for manufacturing carboxymethyl cellulose particles, cellulose inducer particles manufactured by the method, and an absorbent article comprising same, wherein the method comprises: (1) a step of reacting a cellulose raw material with an alkalizer to obtain alkalized cellulose; (2) a step of reacting the alkalized cellulose with a carboxy methylating agent to obtain carboxymethyl cellulose; (3) a primary cross-linking step of reacting the carboxymethyl cellulose with a core cross-linker to obtain a slurry-state carboxymethyl cellulose cross-linked body; (4) a step of filtering the slurry-state carboxymethyl cellulose cross-linked body, followed by cleaning and dehydration; (5) a secondary cross-linking step of reacting the carboxymethyl cellulose cross-linked body undergoing step (4) with a surface cross-linker to obtain carboxymethyl cellulose having a core-shell structure; and (6) a step of drying and pulverizing the carboxymethyl cellulose having a core-shell structure to obtain carboxymethyl cellulose particles having a core-shell structure.

PARK SOO HEE (KR)
KIM HEE SOO (KR)
KIM SANG YOB (KR)

PCT/KR2020/003085

September 10, 2020

March 04, 2020

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LOTTE FINE CHEMICAL CO LTD (KR)

C08J3/12; A61L15/60; C08B1/08; C08B11/12; C08B15/00; C08J3/075; C08J3/24; C08K5/00; C08K5/053; C08K5/1515

KR20180066723A	2018-06-19
KR20180071852A	2018-06-28
KR20180067940A	2018-06-21
JP2012077157A	2012-04-19
JP2016053144A	2016-04-14
KR20010105311A	2001-11-28
JP2005263858A	2005-09-29
KR20010105311A	2001-11-28

TNI IP LAW FIRM (KR)

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