Self-lubricating composite filler for intelligent dressing and preparation method thereof
A composite filler and self-lubricating technology, used in pharmaceutical formulations, pharmaceutical science, drug delivery, etc., can solve the problems of poor conductivity, short service life, and poor durability of dressings, prevent slippage, improve wear resistance, and increase strength. and durability effect
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[0032] Example 1
[0033] The self-lubricating composite filler for smart dressing provided in this embodiment includes the following raw materials by mass percentage: 21% of hydroxyapatite; 5% of fluorinated graphene; 42% of calcium carbonate; 30% of conductive polymer; agent 2%. The hydroxyapatite is in the shape of nanorods, with a diameter of 10-15 nm and an aspect ratio of 10-13. The calcium carbonate is spherical calcium carbonate with a particle size of 40-50 μm. The molecular structural formula of the conductive polymer is:
[0034]
[0035] The adjuvant is a mixed adjuvant formed by transglutaminase (TG) and polyphenol oxidase (PPO).
[0036] A preparation method of a self-lubricating composite filler for intelligent dressing provided by the present invention includes the following steps: (1) Preparation of grade ingredients: respectively adding hydroxyapatite and calcium carbonate to a V-type mixer according to the mass ratio, and at 50 Under the condition of ...
Example Embodiment
[0037] Example 2
[0038] The self-lubricating composite filler for smart dressing provided in this embodiment includes the following raw materials by mass percentage: 21% of hydroxyapatite; 5% of fluorinated graphene; 42% of calcium carbonate; 30% of conductive polymer; agent 2%. The hydroxyapatite is in the shape of nano rods, with a diameter of 12-15 nm and an aspect ratio of 12-15. The calcium carbonate is spherical calcium carbonate with a particle size of 40-50 μm. The molecular structural formula of the conductive polymer is:
[0039]
[0040] The auxiliary agent is a mixed auxiliary agent formed by glutaraldehyde and polyphenol oxidase (PPO).
[0041] A preparation method of self-lubricating composite filler for intelligent dressing provided by the present invention includes the following steps: (1) preparation of grade ingredients: respectively adding hydroxyapatite and calcium carbonate to a V-type mixer according to mass ratio, and at 80 Under the condition o...
Example Embodiment
[0042] Example 3
[0043] The self-lubricating composite filler for smart dressing provided in this embodiment includes the following raw materials by mass percentage: 21% of hydroxyapatite; 5% of fluorinated graphene; 42% of calcium carbonate; 30% of conductive polymer; agent 2%. The hydroxyapatite is in the shape of nanorods, with a diameter of 10-15 nm and an aspect ratio of 12-14. The calcium carbonate is spherical calcium carbonate with a particle size of 40-45 μm. The molecular structural formula of the conductive polymer is:
[0044]
[0045] The auxiliary agent is a mixed auxiliary agent formed by transglutaminase (TG) and glutaraldehyde.
[0046] A preparation method of a self-lubricating composite filler for intelligent dressing provided by the present invention includes the following steps: (1) Preparation of grade ingredients: respectively adding hydroxyapatite and calcium carbonate to a V-type mixer according to the mass ratio, at 70 Under the condition of ...
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