Title:
BORON-REMOVAL REVERSE OSMOSIS MEMBRANE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/127635
Kind Code:
A1
Abstract:
A boron-removal reverse osmosis membrane and a preparation method therefor. The boron-removal reverse osmosis membrane comprises: a support layer formed on a surface of a substrate, the support layer comprising a polymer and a pore-forming agent and having a porous structure; a desalination layer comprising a polyamide; and a nano-transition layer that is located between the support layer and the desalination layer and contacts the support layer and the desalination layer, wherein the nano-transition layer comprises a cellulose nanocrystal.
Inventors:
YANG XINGSHENG (CN)
LIANG SONGMIAO (CN)
HU LIJIE (CN)
KANG YAN (CN)
LIANG SONGMIAO (CN)
HU LIJIE (CN)
KANG YAN (CN)
Application Number:
PCT/CN2021/135768
Publication Date:
June 23, 2022
Filing Date:
December 06, 2021
Export Citation:
Assignee:
VONTRON TECH CO LTD (CN)
International Classes:
B01D69/12; B01D61/02; B01D67/00; B01D69/02; B01D71/42; B01D71/56; B01D71/68
Domestic Patent References:
| WO2016014491A1 | 2016-01-28 |
Foreign References:
| CN110141974A | 2019-08-20 | |||
| CN111054214A | 2020-04-24 | |||
| CN106739363A | 2017-05-31 |
Attorney, Agent or Firm:
LINDA LIU & PARTNERS (CN)
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