A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Photo-thermal dual-curing polymer concrete material as well as preparation method and application thereof
The invention provides a light-heat dual-curing polymer concrete material as well as a preparation method and application thereof. The material is prepared from the following components in parts by mass: 65 to 75 parts of fine aggregate, 25 to 35 parts of polymer monomer, 0.75 to 2.8 parts of photoinitiator and 0.85 to 2.8 parts of thermal initiator. Wherein the polymer monomer contains an epoxy functional group and an unsaturated double-bond functional group, not only can be subjected to cross-linking polymerization with the photoinitiator, but also can be subjected to ring-opening polymerization with the thermal initiator. The material is low in viscosity, and the normal-temperature viscosity is only 1 Pa.s, so that the content of bonded aggregate can be increased. The surface of the printing strip is rapidly cured to form a hard shell structure in combination with an ultraviolet light-assisted 3D printing technology, the slurry in the printing strip is heated and cured to achieve complete hardening, finally, the unsupported structural part which is excellent in mechanical property and complex in shape is obtained, and the unsupported structural part is suitable for being applied to severe environments such as the moon with the low vacuum degree, the large temperature difference and even the low-gravity condition.
本发明提供了一种光‑热双固化聚合物混凝土材料及其制备方法和应用，该材料包括以下质量分数比的组分：细骨料：聚合物单体：光引发剂：热引发剂为65～75：25～35：0.75～2.8：0.85～2.8。其中，聚合物单体含有环氧基官能团和不饱和双键官能团，既可以与光引发剂发生交联聚合，也可以与热引发剂发生开环聚合。该材料粘度低，常温粘度仅1Pa·s，有益于提高粘结骨料含量。本发明结合紫外光辅助的3D打印技术使打印条表面急速固化形成硬壳结构，并对打印条内部浆体加热固化实现完全硬化，最终获得力学性能优异、形状复杂的无支撑结构件，适合应用于真空度低、温差大甚至低重力条件的月球等严酷环境。
Photo-thermal dual-curing polymer concrete material as well as preparation method and application thereof
The invention provides a light-heat dual-curing polymer concrete material as well as a preparation method and application thereof. The material is prepared from the following components in parts by mass: 65 to 75 parts of fine aggregate, 25 to 35 parts of polymer monomer, 0.75 to 2.8 parts of photoinitiator and 0.85 to 2.8 parts of thermal initiator. Wherein the polymer monomer contains an epoxy functional group and an unsaturated double-bond functional group, not only can be subjected to cross-linking polymerization with the photoinitiator, but also can be subjected to ring-opening polymerization with the thermal initiator. The material is low in viscosity, and the normal-temperature viscosity is only 1 Pa.s, so that the content of bonded aggregate can be increased. The surface of the printing strip is rapidly cured to form a hard shell structure in combination with an ultraviolet light-assisted 3D printing technology, the slurry in the printing strip is heated and cured to achieve complete hardening, finally, the unsupported structural part which is excellent in mechanical property and complex in shape is obtained, and the unsupported structural part is suitable for being applied to severe environments such as the moon with the low vacuum degree, the large temperature difference and even the low-gravity condition.
本发明提供了一种光‑热双固化聚合物混凝土材料及其制备方法和应用，该材料包括以下质量分数比的组分：细骨料：聚合物单体：光引发剂：热引发剂为65～75：25～35：0.75～2.8：0.85～2.8。其中，聚合物单体含有环氧基官能团和不饱和双键官能团，既可以与光引发剂发生交联聚合，也可以与热引发剂发生开环聚合。该材料粘度低，常温粘度仅1Pa·s，有益于提高粘结骨料含量。本发明结合紫外光辅助的3D打印技术使打印条表面急速固化形成硬壳结构，并对打印条内部浆体加热固化实现完全硬化，最终获得力学性能优异、形状复杂的无支撑结构件，适合应用于真空度低、温差大甚至低重力条件的月球等严酷环境。
Photo-thermal dual-curing polymer concrete material as well as preparation method and application thereof
一种光-热双固化聚合物混凝土材料及其制备方法和应用
SHE WEI (author) / ZHANG LIZHI (author) / ZUO WENQIANG (author) / GENG ZIFAN (author) / SHI ZHAOXIN (author)
2025-01-21
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
/
B29C
Formen oder Verbinden von Kunststoffen
,
SHAPING OR JOINING OF PLASTICS
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
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