Invention Grant
- Patent Title: Method for preparing super absorbent polymer
-
Application No.: US16955406Application Date: 2019-08-16
-
Publication No.: US11648531B2Publication Date: 2023-05-16
- Inventor: Yoon Jae Min , Jong Hun Song , Gicheul Kim , Jae Yul Kim , Heechang Woo
- Applicant: LG Chem, Ltd.
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: Lerner David LLP
- Priority: KR 20180139898 2018.11.14
- International Application: PCT/KR2019/010417 2019.08.16
- International Announcement: WO2020/101150A 2020.05.22
- Date entered country: 2020-06-18
- Main IPC: B01J20/26
- IPC: B01J20/26 ; B01J20/28 ; B01J20/30 ; C08F120/06 ; C08F2/16

Abstract:
The method for preparing a super absorbent polymer according to the present disclosure reduces the generating amount of a fine powder while realizing the same particle size distribution in the process of pulverizing the dried polymer, thereby reducing the load of the fine powder reassembly, drying, pulverizing and classifying steps.
Information query