公开(公告)号：US12187818B2

公开(公告)日：2025-01-07

申请号：US18573887

申请日：2022-07-01

Applicant: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY

Inventor： Hanging Jiang ,  Junchao Huang

IPC: C08B37/08 ,  A23L33/24 ,  C08J3/24 ,  C08J9/00 ,  C08K5/31 ,  C08L5/08

Abstract: Provided are a chitin-based superabsorbent materials and method of preparation thereof. The superabsorbent material comprises chitin crosslinked by an epoxy crosslinker, and guanidine attached to the crosslinked chitin. The preparation method includes dissolving chitin in an aqueous solvent to form a solution; reacting the dissolved chitin with an epoxy crosslinker and guanidine, or a salt thereof, thereby forming a hydrogel; and drying the hydrogel.

公开(公告)号：US20240262936A1

公开(公告)日：2024-08-08

申请号：US18573887

申请日：2022-07-01

Applicant: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY

Inventor： Hanqing Jiang ,  Junchao Huang

IPC: C08B37/08 ,  A23L33/24 ,  C08J3/24 ,  C08J9/00 ,  C08K5/31 ,  C08L5/08

CPC classification number: C08B37/003 ,  A23L33/24 ,  C08J3/24 ,  C08J9/0028 ,  C08K5/31 ,  C08L5/08 ,  C08J2205/022 ,  C08J2305/08

Abstract: Provided are a chitin-based superabsorbent materials and method of preparation thereof. The superabsorbent material comprises chitin crosslinked by an epoxy crosslinker, and guanidine attached to the crosslinked chitin. The preparation method includes dissolving chitin in an aqueous solvent to form a solution; reacting the dissolved chitin with an epoxy crosslinker and guanidine, or a salt thereof, thereby forming a hydrogel; and drying the hydrogel.