木质素解聚产物改性三聚氰胺系陶瓷添加剂的研究及应用

doi:10.16552/j.cnki.issn1001-1625.2024.1615

硅酸盐通报 ›› 2025, Vol. 44 ›› Issue (7): 2608-2616.DOI: 10.16552/j.cnki.issn1001-1625.2024.1615

木质素解聚产物改性三聚氰胺系陶瓷添加剂的研究及应用

陈涛¹, 李思宇¹, 曾奇斌¹, 刘以凡¹, 刘明华^1,2

1.福州大学环境与安全工程学院,福州 350108;
2.莆田学院环境与生物工程学院,莆田 351100

收稿日期:2024-12-25 修订日期:2025-02-16 出版日期:2025-07-15 发布日期:2025-07-24
通信作者: 刘明华,博士,教授。E-mail:mhliu2000@fzu.edu.cn
作者简介:陈涛(1999—),男,硕士研究生。主要从事环境友好材料的研究。E-mail:2421070866@qq.com
基金资助:
国家自然科学基金面上项目(22278082)

Research and Application of Lignin Depolymerisation Products Modified Melamine-Based Ceramic Additives

CHEN Tao¹, LI Siyu¹, ZENG Qibin¹, LIU Yifan¹, LIU Minghua^1,2

1. College of Environmental and Safety Engineering, Fuzhou University, Fuzhou 350108, China;
2. College of Environmental and Biological Engineering, Putian College, Putian 351100, China

Received:2024-12-25 Revised:2025-02-16 Published:2025-07-15 Online:2025-07-24

摘要/Abstract

摘要： 为解决传统三聚氰胺系(SMF)陶瓷添加剂生产成本高及贮存稳定性差的问题,以木质素解聚产物为原料,采用四步法制备了木质素解聚产物改性三聚氰胺系(SLMF)陶瓷添加剂,并通过单因素实验优化制备条件。利用傅里叶变换红外光谱、元素分析、热重分析、凝胶渗透色谱表征材料结构与性能。结果显示,SLMF中成功引入木质素结构,热稳定性显著优于SMF。应用性能研究表明,SLMF在球磨6 min、掺量为0.5%(质量分数)时,陶瓷浆料表现出优异性能:流出时间17.45 s,黏度2.57×10^-2 Pa·s,厚化度1.25,平均粒径1 011.35 nm,生坯抗折强度2.95 MPa。相比SMF,SLMF在助磨、分散和增强性能上均显著提升。微观形貌和XRD分析表明,SLMF可有效减小颗粒粒径,降低颗粒间空隙,提高生坯致密度和结晶度,从而增强生坯强度。与市售其他添加剂相比,SLMF综合性能优异,具有广阔的应用前景。

关键词: 木质素解聚产物, 三聚氰胺, 陶瓷添加剂, 助磨性能, 分散性能, 增强性能

Abstract: To address the high production cost and poor storage stability of traditional melamine (SMF) ceramic additives, lignin depolymerisation products were used as raw materials to prepare lignin depolymerisation products modified melamine (SLMF) ceramic additives through a four-step method. Single-factor experiments were conducted to optimize the preparation conditions. Fourier transform infrared spectroscopy, elemental analysis, thermogravimetric analysis, gel permeation chromatography were used to characterize the structure and properties of materials. The results show that SLMF successful introduces lignin structure and its thermal stability is significantly better than that of SMF. Application performance tests demonstrate that SLMF achieves excellent results at 0.5% (mass fraction) addition and a ball milling time of 6 min, and ceramic slurry exhibits excellent performance: outflow time is 17.45 s, viscosity is 2.57×10^-2 Pa·s, thickening rate is 1.25, average particle size is 1 011.35 nm, and green body flexural strength reaches 2.95 MPa. Compared to SMF, SLMF shows significant improvements in grinding aid, dispersing, and strengthening properties. Microstructure and XRD analyses reveal that SLMF effectively reduces particle size, decreases voids, improves green body density, and enhances crystallinity, resulting in higher green body strength. Compared with commercial additives, SLMF demonstrates superior overall performance and promising application potential.

Key words: lignin depolymerisation product, melamine, ceramic additive, grinding aid property, dispersing property, strengthening property

中图分类号:

TQ174

陈涛, 李思宇, 曾奇斌, 刘以凡, 刘明华. 木质素解聚产物改性三聚氰胺系陶瓷添加剂的研究及应用[J]. 硅酸盐通报, 2025, 44(7): 2608-2616.

CHEN Tao, LI Siyu, ZENG Qibin, LIU Yifan, LIU Minghua. Research and Application of Lignin Depolymerisation Products Modified Melamine-Based Ceramic Additives[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2025, 44(7): 2608-2616.

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木质素解聚产物改性三聚氰胺系陶瓷添加剂的研究及应用

Research and Application of Lignin Depolymerisation Products Modified Melamine-Based Ceramic Additives

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