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Patent Searching and Data


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)
Application Number:
PCT/CN2018/092326
Publication Date:
December 26, 2019
Filing Date:
June 22, 2018
Export Citation:
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Assignee:
SHANDONG HAOYUE NEW MAT CO LTD (CN)
International Classes:
A61L15/24; C08L33/02; A61L15/60; C08J3/24; C08J7/12; C08J7/14
Foreign References:
CN107501580A2017-12-22
CN106749803A2017-05-31
CN1696181A2005-11-16
US4051086A1977-09-27
EP91302895A1991-04-02
JPH07242709A1995-09-19
CN1696181A2005-11-16
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
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