Research Progress on Preparation Technology of Nylon Powder 3D Printing
This paper focuses on the preparation technology of nylon(PA)powder for 3D printing,mainly introduces three 3D printing technologies of PA powder,compares their respective characteristics,and concludes that selective laser sintering(SLS)is most suitable for 3D printing of PA powder.The preparation methods of PA powder are discussed,including direct polymerization,mechanical crushing,solvent precipitation,and thermally induced phase separation.The advantages and disadvantages of the four preparation methods are compared,the modification research of PA powder is summarized,and the factors affecting PA powder SLS products are analyzed.The research can provide a reference for people engaged in PA powder 3D printing.
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