废皮屑基碳量子点的制备及其作为蒙囿剂的应用初探  

Fabrication of Carbon Quantum Dots Derived from Waste Dandruff and their Application as Masking Agents

作　　者：石鑫 申佳露 何珍 辜海彬[1,2] SHI Xin;SHEN Jialu;HE Zhen;GU Haibin(Key Laboratory of Leather Chemistry and Engineering of Ministry of Education,Sichuan University,Chengdu 610065,China;National Engineering Laboratory for Clean Technology of Leather Manufacture,Sichuan University,Chengdu 610065,China)

机构地区：[1]四川大学皮革化学与工程教育部重点实验室,四川成都610065 [2]四川大学制革清洁技术国家工程实验室,四川成都610065

出　　处：《皮革科学与工程》2024年第4期19-27,35,共10页Leather Science and Engineering

基　　金：四川大学“大学生创新创业训练计划”(C2023124125)。

摘　　要：碳量子点(CQDs)作为一种新型零维碳基纳米材料,具有优异的光致发光性能、生物相容性、生物可降解性等,且易于改性。近年来,以天然生物质原料为合成前体来制备CQDs的研究广受关注。文章以脱灰牛皮废弃物(废皮屑)为原料,通过分别加入柠檬酸、海藻酸钠和衣康酸实现功能改性,采用一锅水热法合成了4种废皮屑基CQDs,并初步探索了CQDs在鞣制工段中作为蒙囿剂的应用。结果表明,合成的CQDs在365 nm紫外光照射下可发射蓝色荧光,微观形貌呈类球形,具有良好的分散性与稳定性,且在无铬金属鞣制体系中表现出较好的蒙囿效果。Carbon quantum dots(CQDs),as a novel kind of zero-dimensional carbon-based nanomaterials,has excellent photoluminescence performance,biocompatibility,biodegradability,and is easy to be modified.In recent years,research on the preparation of CQDs using natural biomass raw materials as synthetic precursors had received widespread attention.This article used delimed cattlehide waste dandruff as raw material and achieved its functional modification by adding citric acid,sodium alginate,and itaconic acid,respectively.Four types of dandruff-based CQDs were synthesized using the one-pot hydrothermal method,and the application of these CQDs as masking agents in the tanning process was preliminarily explored.Results indicated that the synthesized CQDs could emit blue fluorescence under 365 nm ultraviolet light irradiation and displayed a spherical morphology and good dispersion and stability.They also exhibited good masking effect in chromium-free metal tanning systems.

关 键 词：生物质 皮革 固体废弃物 废皮屑 CQDs 鞣制 蒙囿剂 

分 类 号：TS513[轻工技术与工程—皮革化学与工程] TS59