Title:
MODIFIED POLYMER MEMBRANE MATERIAL HAVING SURFACE COMPOSITE GRAFTED PHOSPHORYLCHOLINE AND HEPARIN ANTICOAGULANT COATING AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/046044
Kind Code:
A1
Abstract:
The present application relates to a modified polymer membrane material having a surface composite grafted phosphorylcholine and heparin anticoagulant coating. A preparation method for the modified polymer membrane material comprises the following steps: S1. preparing a polymer membrane material; S2. chemically grafting unsaturated phosphorylcholine and N-(3-aminopropyl)methacrylamide on the surface of the polymer membrane material; S3. cleaning the grafted polymer membrane material obtained in step S2; and S4. grafting heparin on the cleaned grafted polymer membrane material obtained in step S3 by using a carbodiimide chemical method.
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WO/2018/003821 | COPOLYMER AND APPLICATION THEREFOR |
WO/2001/021326 | WATER-SOLUBLE COATING AGENTS BEARING INITIATOR GROUPS AND COATING PROCESS |
Inventors:
HU YANFEI (CN)
LIU HUAN (CN)
HU DIE (CN)
CHEN JINTING (CN)
LIU HUAN (CN)
HU DIE (CN)
CHEN JINTING (CN)
Application Number:
PCT/CN2022/120718
Publication Date:
March 30, 2023
Filing Date:
September 23, 2022
Export Citation:
Assignee:
JENSCARE SCIENT CO LTD (CN)
International Classes:
A61L33/06; A61L33/00; C08J5/18; C08J7/12; C08J7/16; C08L75/04
Foreign References:
CN113877006A | 2022-01-04 | |||
CN112316218A | 2021-02-05 | |||
US5344455A | 1994-09-06 | |||
US5229172A | 1993-07-20 | |||
EP0947205A2 | 1999-10-06 | |||
US20050266038A1 | 2005-12-01 |
Attorney, Agent or Firm:
ADVANCE CHINA IP LAW OFFICE (CN)
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