Fabrication of a dual-purpose biodegradable superabsorbent from flax fiber

亚麻纤维制备双用途可生物降解超吸收剂

• 批准号: 520470-2017
• 负责人: Tabil, Lope
• 金额: $ 1.82万
• 依托单位: University of Saskatchewan
• 依托单位国家: 加拿大
• 项目类别: Engage Grants Program
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=640597
• 关键词: Fabrication; dual; purpose; biodegradable; superabsorbent

Superabsorbent hydrogels are high-value biomaterials utilized as water absorbent, immobilizer or as cellcarriers. They find application in several sectors such as packaging, agricultural, biomedical, tissue engineeringand regenerative medicine industries. Cellulosic materials could be used as a sustainable source material for thefabrication of superabsorbent hydrogels. Seed flax production byproduct, mainly flax fiber, is a cellulose-richmaterial that has not been researched and used as raw material for superabsorbent fabrication. There is a lack oftechnology and technical information to modify this natural fiber to superabsorbent hydrogels.The main objective of this project is to fabricate superabsorbent hydrogels from intact and chemically modifiedflax fiber. The fibrous material will be processed through sol-gel mechanism to turn it into a superabsorbentmaterial. The potential application of the fabricated hydrogels will be tested for bioenergy/energy application asextreme water absorbents for water-bioethanol mixture and greenhouse/agriculture application as a moisturereservoir in the soil. The mechanical, physical and water-absorption performance of the fabricated hydrogelswill be tested and compared with commercial superabsorbents through standard procedures.

超吸水性水凝胶是用作吸水剂、固定剂或细胞载体的高价值生物材料。他们发现应用在几个部门，如包装，农业，生物医学，组织工程和再生医学行业。纤维素材料可以作为一种可持续的高吸水性水凝胶材料。亚麻籽生产的副产品，主要是亚麻纤维，是一种富含纤维素的材料，尚未被研究和用作高吸水性材料制造的原料。目前还缺乏将天然亚麻纤维改性成高吸水性水凝胶的技术和信息，本项目的主要目标是用天然亚麻纤维和化学改性亚麻纤维制备高吸水性水凝胶。纤维材料将通过溶胶-凝胶机制处理，使其成为超导电材料。所制备的水凝胶的潜在应用将被测试用于生物能源/能源应用作为水-生物乙醇混合物的极端吸水剂和温室/农业应用作为土壤中的水分储存器。将通过标准程序测试所制造的水凝胶的机械、物理和吸水性能，并与商业超吸收剂进行比较。