Invention Grant
- Patent Title: Polyamide reverse osmosis composite membrane and preparation method thereof
- Patent Title (中): 聚酰胺反渗透复合膜及其制备方法
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Application No.: US11996030Application Date: 2005-08-24
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Publication No.: US07766173B2Publication Date: 2010-08-03
- Inventor: Moo-Kyung Moon , Je-Kang Yoo , Sun-Yong Lee , Youn-Kook Kim , Hyoung-Jun Ahn , Doo-Won Han
- Applicant: Moo-Kyung Moon , Je-Kang Yoo , Sun-Yong Lee , Youn-Kook Kim , Hyoung-Jun Ahn , Doo-Won Han
- Applicant Address: KR Kongju
- Assignee: Woongjincoway Co., Ltd.
- Current Assignee: Woongjincoway Co., Ltd.
- Current Assignee Address: KR Kongju
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2005-0068203 20050727
- International Application: PCT/KR2005/002789 WO 20050824
- International Announcement: WO2007/013710 WO 20070201
- Main IPC: B01D39/00
- IPC: B01D39/00 ; B01D39/14 ; B01D61/00 ; B01D11/00
Abstract:
An amine aqueous solution for forming an active layer of a polyamide reverse osmosis composite membrane is prepared, which consists of 0.1 through 20 weight % of polyfunctional aromatic amine monomer, 0.1 through 20 weight % of multi-functional tertiary alcohol amine, 0.1 through 20 weight % of strong acid, and 40 through 99.7 weight % of water.
Public/Granted literature
- US20080237118A1 Polyamide Reverse Osmosis Composite Membrane and Preparation Method Thereof Public/Granted day:2008-10-02
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