Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of high-toughness foamy carbon
The invention discloses a preparation method of high-toughness foamy carbon, which belongs to the field of foamy carbon materials. The petroleum asphalt, high-density fraxinus mandshurica and the likeare mixed and stirred; a microorganism source is provided for biogas slurry subjected to pre-sedimentation treatment; a microbial fermentation self-crosslinking effect is used; the stability of a system is enhanced, castor oil is added and decomposed by microorganisms to generate lipophilic ester groups, the ester groups can be grafted to the surface of a hard component under the self-crosslinking action of the microorganisms, and the binding force of a two-phase interface is improved by combining pretreated zeolite, so that the crack resistance and the mechanical property of the material canbe effectively improved in the final carbonization and puffing process, and the toughening effect can be achieved. The invention solves the problem that currently common foamy carbon has certain hardness, but has high brittleness, and cannot satisfy the basic requirements as a structural material.
本发明公开了一种高韧性泡沫碳的制备方法，属于泡沫碳材料领域。本发明采用石油沥青和高致密度的水曲柳等混合搅拌，与经预沉降处理的沼液提供微生物来源，通过微生物发酵自交联作用，增强体系的稳定性，添加蓖麻油经微生物分解产生亲油性的酯基，并可在微生物的自交联作用下使得酯基接枝到硬质成分表面，结合预处理沸石提高两相界面的结合力，便于在最后的碳化膨化过程中，能够有效提高本材料的抗裂和机械性能，能达增韧的效果。本发明解决了目前常用泡沫碳具有一定硬度，但脆性也大，无法满足作为结构材料基本要求的问题。
Preparation method of high-toughness foamy carbon
The invention discloses a preparation method of high-toughness foamy carbon, which belongs to the field of foamy carbon materials. The petroleum asphalt, high-density fraxinus mandshurica and the likeare mixed and stirred; a microorganism source is provided for biogas slurry subjected to pre-sedimentation treatment; a microbial fermentation self-crosslinking effect is used; the stability of a system is enhanced, castor oil is added and decomposed by microorganisms to generate lipophilic ester groups, the ester groups can be grafted to the surface of a hard component under the self-crosslinking action of the microorganisms, and the binding force of a two-phase interface is improved by combining pretreated zeolite, so that the crack resistance and the mechanical property of the material canbe effectively improved in the final carbonization and puffing process, and the toughening effect can be achieved. The invention solves the problem that currently common foamy carbon has certain hardness, but has high brittleness, and cannot satisfy the basic requirements as a structural material.
本发明公开了一种高韧性泡沫碳的制备方法，属于泡沫碳材料领域。本发明采用石油沥青和高致密度的水曲柳等混合搅拌，与经预沉降处理的沼液提供微生物来源，通过微生物发酵自交联作用，增强体系的稳定性，添加蓖麻油经微生物分解产生亲油性的酯基，并可在微生物的自交联作用下使得酯基接枝到硬质成分表面，结合预处理沸石提高两相界面的结合力，便于在最后的碳化膨化过程中，能够有效提高本材料的抗裂和机械性能，能达增韧的效果。本发明解决了目前常用泡沫碳具有一定硬度，但脆性也大，无法满足作为结构材料基本要求的问题。
Preparation method of high-toughness foamy carbon
一种高韧性泡沫碳的制备方法
ZHANG ZHEWEI (Autor:in)
28.04.2020
Patent
Elektronische Ressource
Chinesisch
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