以羧甲基纤维素(CMC)、竹粉(BP)为主要原料,以聚乙二醇二缩水甘油醚(PEGDE)为交联剂,制备了可降解CMC/BP吸水树脂。探究了BP用量、交联剂用量和反应温度对CMC/BP吸水树脂性能的影响,通过X射线衍射仪、傅里叶变换红外光谱仪、扫描电子显微镜对CMC/BP吸水树脂的微观形貌、结构进行表征并测试了其吸水性能和保水性能。结果表明当CMC用量为4g,BP用量为5g,PEGDE用量为13mL,反应温度为60℃时,制备的CMC/BP吸水树脂吸水率达到21.1g/g,吸水120h后保水率达到55%,吸水和保水性能最好。
A degradable CMC/BP water-absorbing resin was prepared using carboxymethyl cellulose (CMC) and bamboo powder (BP) as the main raw materials,and polyethylene glycol diglycidyl ether (PEGDE) as the crosslinking agent.The effects of BP dosage,crosslinking agent dosage,and reaction temperature on the performance of CMC/BP water-absorbing resin were investigated.The microstructure and morphology of the CMC/BP water-absorbing resin were characterized by X-ray diffractometer,Fourier transforms infrared spectrometer and scanning electron microscope,and its water absorption and water retention properties were tested.The results showed that when the CMC dosage was 4g,the BP dosage was 5g,the PEGDE dosage was 13mL,and the reaction temperature was 60℃,the prepared CMC/BP water-absorbing resin had a water absorption rate of 21.1g/g,and a water retention rate of 55% after 120 hours of water absorption,achieving the best water absorption and water retention properties.
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基金资助
四川省成都市龙泉驿区科技计划项目(2022-34-7);自然资源部离子型稀土资源与环境重点实验室开放基金项目(2022IRERE402);高分子材料工程国家重点实验室开放课题(sklpme2018-4-22);江西省稀土清洁生产重点实验室开放基金(E03MYB0310);西华大学重点科研基金项目(Z1620118)
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