23 Jul Preparation method of neodymium-zinc-cobalt alloy/polypropylene stent material
Abstract
The invention belongs to the technical field of biomedical materials and relates to a preparation method of a neodymium-zinc-cobalt alloy/polypropylene stent material. The preparation method of the stent material comprises the steps of cleaning of the polypropylene stent material, surface modification, catalytic activation and chemical plating of neodymium-zinc-cobalt alloy. The preparation method has the advantages that the organic carbon overflow rate of the stent material is reduced by 99% or over, the Moh’s hardness can reach 6.3, and the metal ion overflow rate is smaller than 1 ppm through a human body fluid corrosion simulation test for 180 days, namely the material has extremely high biological environment reliability. The neodymium-zinc-cobalt alloy/polypropylene stent material can be used for stent materials of tissue engineering, is bright and clear in application prospects and has huge market potential.
Year: 2016
Country: CN
Doc No: 106086838