Process for producing nan-hydroxyl kietyoite/carbon nano-pipe compound coating

A composite technology of nano-hydroxyapatite and carbon nanotubes, which is applied in the field of biomedical materials, can solve the problems of large difference in thermal expansion coefficient and weakened bonding force, and achieve the effects of reducing sintering temperature, enhancing bonding force, and avoiding damage
CN1772969AInactive Publication Date: 2006-05-17XIAMEN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAMEN UNIV
Publication Date
2006-05-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The present invention provides a method for preparing nano hydroxyapatite / carbon nano tube composite coating by adopting electrophoresis deposition process. Said method includes the following steps: base pretreatment, preparing nano-grade HA and CNTs electrophoresis deposition soliquoid, making the electrophoresis deposition soliquoid undergo the processes of standing still, ultrasonic treatment and centrifugal separation, removing upper layer suspended liquor, making electrophoresis deposition treatment and sintering under the argon atmosphere so as to obtain the invented target product.
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Description

Technical field

[0001] The invention relates to a nano-hydroxyapatite / carbon nanotube composite coating, in particular to a method for preparing a novel carbon nanotube / nano-hydroxyapatite composite coating using an electrophoretic deposition method, and the composite prepared thereby The coating has good mechanical properties and is expected to become a novel biomedical material. Background technique

[0002] Since the 1970s, hydroxyapatite (Hydroxyapatite, referred to as HA, chemical formula Ca 10 (PO 4 ) 6 (OH) 2 ) The preparation of bioceramic coatings has aroused great interest among researchers in chemistry, materials science, biology, and clinical medicine. HA has good biocompatibility and biological activity. It is the main inorganic component of human hard tissues (bone and teeth). After being implanted in the human body, it can form a close combination with human tissues in a short time. However, Ha has high brittleness and low strength, and its flexural strength and fr...

Claims

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