The invention provides a neutron shielding polymer composite material, a preparation method, a wire rod and application, relates to the technical field of 3D printing materials, and can realize uniform distribution of boron nitride nanosheets in a polyethylene matrix, and printing and molding into a complex-shaped workpiece with neutron shielding performance through FDM is realized. The composite material comprises the following components in percentage by mass: 80-98.8% of a polyethylene matrix; 1-20% of boron nitride nanosheet; 0.2-2% of a plasticizing modifier; the preparation process of the polymer composite material comprises the following steps: mixing the raw materials, and melting and granulating at 150-190 DEG C to obtain the polymer composite material. The technical scheme provided by the invention is suitable for the process of 3D printing and material preparation.
本发明提供了一种中子屏蔽的聚合物复合材料、制备方法、线材及应用,涉及3D打印材料技术领域,能够实现氮化硼纳米片在聚乙烯基体中的均匀分布,通过FDM打印成型为具有中子屏蔽性能的复杂形状制件;该复合材料的组分包括:聚乙烯基体,质量百分比为80‑98.8%;氮化硼纳米片,质量百分比为1‑20%;增塑改性剂,质量百分比为0.2‑2%;所述聚合物复合材料的制备过程包括:将上述原料混合后在150‑190℃环境下熔融造粒得到。本发明提供的技术方案适用于3D打印以及材料制备的过程中。
Neutron shielding polymer composite material, preparation method, wire rod and application
一种中子屏蔽的聚合物复合材料、制备方法、线材及应用
2021-05-04
Patent
Elektronische Ressource
Chinesisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / 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 / B64G Raumfahrt , COSMONAUTICS / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / G21F Schutz gegen Röntgenstrahlung, Gammastrahlung, Korpuskularstrahlung oder Teilchenbeschuss , PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT |
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