Title:
HIGH-ABSORBABILITY RESIN AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/241986
Kind Code:
A1
Abstract:
A sodium polyacrylate high-absorbability resin for absorbing blood and having a gradually-changed hierarchical structure, and a preparation method therefor. The high-absorbability resin is a sodium polyacrylate resin undergoing surface modification, wherein the surface modification comprises performing surface crosslinking by using a polyvalent metallic salt solution A, and a solution B prepared by a compound containing an epoxy group and a solvent.
Inventors:
YANG ZHILIANG (CN)
YANG HAO (CN)
MA YANYU (CN)
YANG YANG (CN)
ZHANG XIANG (CN)
YAO MEIQIN (CN)
YAO JINSHUI (CN)
YANG HAO (CN)
MA YANYU (CN)
YANG YANG (CN)
ZHANG XIANG (CN)
YAO MEIQIN (CN)
YAO JINSHUI (CN)
Application Number:
PCT/CN2018/092326
Publication Date:
December 26, 2019
Filing Date:
June 22, 2018
Export Citation:
Assignee:
SHANDONG HAOYUE NEW MAT CO LTD (CN)
International Classes:
A61L15/24; C08L33/02; A61L15/60; C08J3/24; C08J7/12; C08J7/14
Foreign References:
CN107501580A | 2017-12-22 | |||
CN106749803A | 2017-05-31 | |||
CN1696181A | 2005-11-16 | |||
US4051086A | 1977-09-27 | |||
EP91302895A | 1991-04-02 | |||
JPH07242709A | 1995-09-19 | |||
CN1696181A | 2005-11-16 |
Other References:
ZHU YOULIANGWU GUOQIANG: "Synthesis of water absorption resin with core-shell structure", PLASTICS, vol. 34, no. 1, 2005, pages 23 - 26
See also references of EP 3812422A4
See also references of EP 3812422A4
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