A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a preparation method of a high-strength ceramic tube, which belongs to the technical field of ceramic material preparation. The bamboo chips and the wheat straw are subjected to steam explosion treatment; separating is carried out to obtain plant fiber components in the bamboo fibers and the wheat straws; the extracted bamboo fibers have good toughness and mechanical strength; the good toughness and mechanical strength of the ceramic tube can be effectively enhanced, meanwhile, the plant fibers and the bamboo fibers are modified through a series of reactions such as alkali liquor, oxidizing agents, hydrochloric acid and citric acid, functional groups such as hydroxyl and carboxyl on the surfaces are increased, the crosslinking degree and the structural strength of the internal space structure of the ceramic tube are improved, and the thermal shock resistance of the ceramic tube is improved; aluminum ions are introduced into bamboo fibers and plant fibers, are adsorbed in a fiber structure by utilizing a complexing chelation effect, react with alkali liquor to generate metaaluminate ions, react to generate aluminum oxide nanoparticles, and are dispersed in fiber components, so that the mechanical strength and the structural strength of the fiber components are effectively enhanced, and the mechanical strength of the ceramic tube is improved.
本发明公开了一种高强度陶瓷管的制备方法，属陶瓷材料制备技术领域。本发明将竹片和麦秸进行汽爆处理，分离得到竹纤维和麦秸中的植物纤维成分，提取出的竹纤维本身具有良好的韧性和力学强度，有效增强陶瓷管的力学强度和韧性，同时植物纤维和竹纤维经过碱液、氧化剂、盐酸、柠檬酸等一系列反应改性，表面的羟基、羧基等官能团增加，提高陶瓷管内部空间结构的交联程度和结构强度，有利于提高陶瓷管的抗热震性能；本发明将铝离子引入竹纤维和植物纤维中，利用络合螯合作用吸附于纤维结构中，再与碱液反应生成偏铝酸根离子，再反应生成氧化铝纳米颗粒分散于纤维成分中，有效增强纤维成分本身的力学强度和结构强度，提高陶瓷管的力学强度。
The invention discloses a preparation method of a high-strength ceramic tube, which belongs to the technical field of ceramic material preparation. The bamboo chips and the wheat straw are subjected to steam explosion treatment; separating is carried out to obtain plant fiber components in the bamboo fibers and the wheat straws; the extracted bamboo fibers have good toughness and mechanical strength; the good toughness and mechanical strength of the ceramic tube can be effectively enhanced, meanwhile, the plant fibers and the bamboo fibers are modified through a series of reactions such as alkali liquor, oxidizing agents, hydrochloric acid and citric acid, functional groups such as hydroxyl and carboxyl on the surfaces are increased, the crosslinking degree and the structural strength of the internal space structure of the ceramic tube are improved, and the thermal shock resistance of the ceramic tube is improved; aluminum ions are introduced into bamboo fibers and plant fibers, are adsorbed in a fiber structure by utilizing a complexing chelation effect, react with alkali liquor to generate metaaluminate ions, react to generate aluminum oxide nanoparticles, and are dispersed in fiber components, so that the mechanical strength and the structural strength of the fiber components are effectively enhanced, and the mechanical strength of the ceramic tube is improved.
本发明公开了一种高强度陶瓷管的制备方法，属陶瓷材料制备技术领域。本发明将竹片和麦秸进行汽爆处理，分离得到竹纤维和麦秸中的植物纤维成分，提取出的竹纤维本身具有良好的韧性和力学强度，有效增强陶瓷管的力学强度和韧性，同时植物纤维和竹纤维经过碱液、氧化剂、盐酸、柠檬酸等一系列反应改性，表面的羟基、羧基等官能团增加，提高陶瓷管内部空间结构的交联程度和结构强度，有利于提高陶瓷管的抗热震性能；本发明将铝离子引入竹纤维和植物纤维中，利用络合螯合作用吸附于纤维结构中，再与碱液反应生成偏铝酸根离子，再反应生成氧化铝纳米颗粒分散于纤维成分中，有效增强纤维成分本身的力学强度和结构强度，提高陶瓷管的力学强度。
| European Patent Office | 2021
| European Patent Office | 2021