Invention Grant
- Patent Title: Composition for interfacial polymerization of polyamide and manufacturing method for water treatment separation membrane using same
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Application No.: US16756652Application Date: 2019-06-20
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Publication No.: US11718712B2Publication Date: 2023-08-08
- Inventor: Eunkyoung Byun , Youngju Lee , Lakwon Choi , Chong Kyu Shin
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Priority: KR 20180070933 2018.06.20 KR 20180070938 2018.06.20 KR 20180070940 2018.06.20
- International Application: PCT/KR2019/007438 2019.06.20
- International Announcement: WO2019/245296A 2019.12.26
- Date entered country: 2020-04-16
- Main IPC: C08G69/44
- IPC: C08G69/44 ; C08G69/04 ; B01D61/02 ; B01D67/00 ; B01D69/10 ; B01D71/56 ; C02F1/44 ; C09D177/10 ; B01D69/00
Abstract:
Provided is a composition for interfacial polymerizing polyamide including an amine compound; and one or more types of compounds selected from among a purine-based compound and a pyrimidine-based compound of Chemical Formula 1:
wherein, in Chemical Formula 1:
X is N or NH;
Y is O or OH;
Z is O, OH or NH2;
R1 and R2 are each hydrogen or a substituted or unsubstituted alkyl group; and
is a single bond or a double bond,
and a method for manufacturing a water-treatment membrane and a water-treatment membrane using the same.
wherein, in Chemical Formula 1:
X is N or NH;
Y is O or OH;
Z is O, OH or NH2;
R1 and R2 are each hydrogen or a substituted or unsubstituted alkyl group; and
is a single bond or a double bond,
and a method for manufacturing a water-treatment membrane and a water-treatment membrane using the same.
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