Fluorescent active cellulose gel based on polyionic liquid as well as preparation and application thereof

• Main Authors: SONG WENQI, ZI SHUAI, YANG JINTENG, LIU YUKUN, GAO BO, LUO CHEN
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2020
• Subjects: ADHESIVES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MEASURING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; PHYSICS; POLISHES; TESTING; THEIR PREPARATION OR CHEMICAL WORKING-UP; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention discloses fluorescent active cellulose gel based on polyionic liquid as well as preparation and application thereof. The fluorescent active cellulose gel is obtained by reacting a PIL macromolecular modification reagent with cellulose treated by a urea alkaline aqueous solution at 40-80 DEG C, wherein the PIL macromolecular modification reagent is obtained by RAFT copolymerization reaction of an ionic liquid monomer and a luminous monomer. The gel has good luminescence capability. According to the method disclosed by the invention, through the design of the PIL macromolecular chain modification compound which contains halogen or epoxy, and has a functional group capable of reacting with cellulose, the compound can react in a harsh water alkaline environment and under a homogeneous condition, and can react with dissolved cellulose in an alkaline solvent system. 本发明公开了一种基于聚离子液体的荧光活性纤维素凝胶及其制备和应用，该荧光活性纤维素凝胶由离子液体单体与发光单体经RAFT共聚反应得到的PIL大分子改性试剂与经尿素碱性水溶液处理的纤维素在40～80℃反应而获得的，其具有良好的发光能力。本发明的方法通过PIL大分子链改性化合物