CN112341897A - Preparation method of super-hydrophobic coating on inner surface of medical infusion apparatus - Google Patents
Preparation method of super-hydrophobic coating on inner surface of medical infusion apparatus Download PDFInfo
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- CN112341897A CN112341897A CN202011034476.9A CN202011034476A CN112341897A CN 112341897 A CN112341897 A CN 112341897A CN 202011034476 A CN202011034476 A CN 202011034476A CN 112341897 A CN112341897 A CN 112341897A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
- B05D7/225—Coating inside the pipe
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K2003/023—Silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus. The invention has the following beneficial effects: the zinc oxide super-hydrophobic layer and the nano-silicon super-hydrophobic layer are adopted to form the double-layer super-hydrophobic layer, so that the hydrophobic property is greatly improved, the problem of pipe wall residue in the blood transfusion and stem cell transfusion processes of the conventional transfusion device is solved, the product performance is comprehensively improved, and the method has important clinical significance.
Description
Technical Field
The invention relates to a preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus, belonging to the technical field of super-hydrophobic materials.
Background
In clinical practice, it is found that when the existing transfusion apparatus is used for blood transfusion and stem cell transfusion, a certain amount of residues are always left on the tube wall of the transfusion apparatus, which causes waste, and especially when the stem cell transfusion is performed, stem cells are mostly adherent cells, and the waste of the stem cells can reach more than 10% in a multi-retention tube. In order to solve the problem, 0.9% of physiological saline is used for flushing the tube clinically, but no clear standard exists for how much 0.9% of physiological saline can be used for flushing the effective components in the infusion tube, and most of the conditions are sensed. Whereas 0.9% saline is not required for the treatment of the patient's condition, especially for patients who need to control the amount of fluid intake.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus, and the super-hydrophobic coating is sprayed on the inner surface of the infusion apparatus, so that the adhesion of blood and stem cells on the tube wall is greatly reduced, and the clinical problem is effectively solved.
The invention is realized by the following scheme: a preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus is characterized in that nano zinc oxide, epoxy resin, a surfactant and a dispersing agent are adopted to prepare a nano zinc oxide epoxy resin super-hydrophobic suspension, and then the nano zinc oxide epoxy resin super-hydrophobic suspension is uniformly sprayed on the inner surface of the infusion apparatus to form the super-hydrophobic coating.
A preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus comprises the following steps:
step one, preparing an ethanol/acetone solution to form a solution A;
step two, adding zinc oxide powder into the solution A in sequence, adding a small amount of hexadecyl trimethoxy silane which is a low-surface-energy active agent, and mixing and stirring to prepare a suspension A;
adding epoxy resin and a curing agent into the suspension A to form a suspension B for later use;
step four, mixing polystyrene and nano silicon particles to prepare sol, dissolving the sol into an ethanol solution, and adding epoxy resin to form a suspension C;
and step five, starting a high-pressure spraying machine, uniformly spraying the super-hydrophobic material turbid liquid C on the inner surface of the infusion apparatus, solidifying, then spraying the post-super-hydrophobic material turbid liquid B on the surface of the infusion apparatus, and solidifying to obtain the double-layer super-hydrophobic coating with excellent stability.
A preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus comprises the following steps:
step one, preparing 100 parts by mass of ethanol/acetone solution with the volume ratio of 1: 1, and uniformly mixing to form a solution A;
step two, adding 5-8 parts by mass of zinc oxide powder with the particle size of 10nm into the solution A in sequence, and then adding a small amount of hexadecyl trimethoxy silane which is a low surface energy active agent to prepare a suspension A;
adding a proper amount of epoxy resin and curing agent into the suspension A to form a suspension B for later use;
step four, mixing 5-10 parts by mass of polystyrene and 5-10 parts by mass of nano silicon particles to prepare sol, dissolving the sol into 50-60 parts by mass of ethanol solution, and adding 1-5 parts by mass of epoxy resin to form suspension C;
and step five, starting a high-pressure spraying machine, uniformly spraying the super-hydrophobic material turbid liquid C on the inner surface of the infusion apparatus, solidifying at normal temperature, then spraying the post-super-hydrophobic material turbid liquid B on the surface of the infusion apparatus, and solidifying to obtain the double-layer super-hydrophobic coating with excellent stability.
And in the second step, the suspension A is mixed and stirred for 2 hours before being prepared, and the stirring speed is 500-600 rpm.
And (3) before forming the suspension B in the third step, carrying out ultrasonic oscillation for 30 min.
And in the fifth step, the high-pressure spraying machine is started, and spraying is carried out after proper spraying pressure is set.
And in the fifth step, starting the high-pressure spraying machine, setting a proper spraying pressure, uniformly spraying the super-hydrophobic material suspension C on the inner surface of the infusion apparatus, curing for 2 hours at normal temperature, then spraying the post-super-hydrophobic material suspension B on the surface of the infusion apparatus, curing for 30 minutes at 100 ℃, and curing for 10 minutes at 5 ℃ to prepare the double-layer super-hydrophobic coating with excellent stability.
The invention has the beneficial effects that: the zinc oxide super-hydrophobic layer and the nano-silicon super-hydrophobic layer are adopted to form the double-layer super-hydrophobic layer, so that the hydrophobic property is greatly improved, the problem of pipe wall residue in the blood transfusion and stem cell transfusion processes of the conventional transfusion device is solved, the product performance is comprehensively improved, and the method has important clinical significance.
Detailed Description
The present invention is further illustrated below, but the scope of the invention is not limited to the disclosure.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
Example 1: a preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus comprises the following steps:
step one, preparing 100 parts by mass of ethanol/acetone solution with the volume ratio of 1: 1, and uniformly mixing to form a solution A;
step two, sequentially adding 5 parts by weight of zinc oxide powder with the particle size of 10nm into the solution A, then adding a small amount of low-surface-energy active agent hexadecyl trimethoxy silane, and mixing and stirring for 2 hours at the rotating speed of 500rpm to obtain suspension A;
thirdly, adding a proper amount of epoxy resin and a curing agent into the suspension A, and carrying out ultrasonic oscillation for 30min to form a suspension B for later use;
step four, mixing 5 parts by mass of polystyrene and 5 parts by mass of nano-silicon particles to prepare sol, dissolving the sol into 50 parts by mass of ethanol solution, and adding 1 part by mass of epoxy resin to form suspension C;
and step five, starting a high-pressure spraying machine, setting a proper spraying pressure, uniformly spraying the super-hydrophobic material suspension C on the inner surface of the infusion apparatus, curing for 2 hours at normal temperature, then spraying the post-super-hydrophobic material suspension B on the surface of the infusion apparatus, curing for 30 minutes at 100 ℃, and curing for 10 minutes at 5 ℃ to prepare the double-layer super-hydrophobic coating with excellent stability.
Example 2: a preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus comprises the following steps:
step one, preparing 100 parts by mass of ethanol/acetone solution with the volume ratio of 1: 1, and uniformly mixing to form a solution A;
step two, sequentially adding 8 parts by mass of zinc oxide powder with the particle size of 10nm into the solution A, then adding a small amount of low-surface-energy active agent hexadecyl trimethoxy silane, and mixing and stirring for 2 hours at the rotating speed of 600rpm to obtain suspension A;
thirdly, adding a proper amount of epoxy resin and a curing agent into the suspension A, and carrying out ultrasonic oscillation for 30min to form a suspension B for later use;
step four, mixing 10 parts by mass of polystyrene and 10 parts by mass of nano-silicon particles to prepare sol, dissolving the sol into 60 parts by mass of ethanol solution, and adding 5 parts by mass of epoxy resin to form suspension C;
and step five, starting a high-pressure spraying machine, setting a proper spraying pressure, uniformly spraying the super-hydrophobic material suspension C on the inner surface of the infusion apparatus, curing for 2 hours at normal temperature, then spraying the post-super-hydrophobic material suspension B on the surface of the infusion apparatus, curing for 30 minutes at 100 ℃, and curing for 10 minutes at 5 ℃ to prepare the double-layer super-hydrophobic coating with excellent stability.
Example 3: a preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus comprises the following steps:
step one, preparing 100 parts by mass of ethanol/acetone solution with the volume ratio of 1: 1, and uniformly mixing to form a solution A;
step two, sequentially adding 7 parts by mass of zinc oxide powder with the particle size of 10nm into the solution A, then adding a small amount of low-surface-energy active agent hexadecyl trimethoxy silane, and mixing and stirring for 2 hours at the rotating speed of 550rpm to obtain suspension A;
thirdly, adding a proper amount of epoxy resin and a curing agent into the suspension A, and carrying out ultrasonic oscillation for 30min to form a suspension B for later use;
step four, mixing 8 parts by mass of polystyrene and 8 parts by mass of nano-silicon particles to prepare sol, dissolving the sol into 55 parts by mass of ethanol solution, and adding 3 parts by mass of epoxy resin to form suspension C;
and step five, starting a high-pressure spraying machine, setting a proper spraying pressure, uniformly spraying the super-hydrophobic material suspension C on the inner surface of the infusion apparatus, curing for 2 hours at normal temperature, then spraying the post-super-hydrophobic material suspension B on the surface of the infusion apparatus, curing for 30 minutes at 100 ℃, and curing for 10 minutes at 5 ℃ to prepare the double-layer super-hydrophobic coating with excellent stability.
Although the invention has been described and illustrated in some detail, it should be understood that various modifications may be made to the described embodiments or equivalents may be substituted, as will be apparent to those skilled in the art, without departing from the spirit of the invention.
Claims (7)
1. A preparation method of a super-hydrophobic coating on the inner surface of a medical infusion apparatus is characterized by comprising the following steps: the super-hydrophobic coating is formed by preparing a nano zinc oxide epoxy resin super-hydrophobic suspension by adopting nano zinc oxide, epoxy resin, a surfactant and a dispersing agent, and then uniformly spraying the suspension on the inner surface of an infusion apparatus.
2. The preparation method of the super-hydrophobic coating on the inner surface of the medical infusion set according to claim 1, characterized in that: which comprises the following steps:
step one, preparing an ethanol/acetone solution to form a solution A;
step two, adding zinc oxide powder into the solution A in sequence, adding a small amount of hexadecyl trimethoxy silane which is a low-surface-energy active agent, and mixing and stirring to prepare a suspension A;
adding epoxy resin and a curing agent into the suspension A to form a suspension B for later use;
step four, mixing polystyrene and nano silicon particles to prepare sol, dissolving the sol into an ethanol solution, and adding epoxy resin to form a suspension C;
and step five, starting a high-pressure spraying machine, uniformly spraying the super-hydrophobic material turbid liquid C on the inner surface of the infusion apparatus, solidifying, then spraying the post-super-hydrophobic material turbid liquid B on the surface of the infusion apparatus, and solidifying to obtain the double-layer super-hydrophobic coating with excellent stability.
3. The preparation method of the super-hydrophobic coating on the inner surface of the medical infusion set according to claim 1, characterized in that: which comprises the following steps:
step one, preparing 100 parts by mass of ethanol/acetone solution with the volume ratio of 1: 1, and uniformly mixing to form a solution A;
step two, adding 5-8 parts by mass of zinc oxide powder with the particle size of 10nm into the solution A in sequence, and then adding a small amount of hexadecyl trimethoxy silane which is a low surface energy active agent to prepare a suspension A;
adding a proper amount of epoxy resin and curing agent into the suspension A to form a suspension B for later use;
step four, mixing 5-10 parts by mass of polystyrene and 5-10 parts by mass of nano silicon particles to prepare sol, dissolving the sol into 50-60 parts by mass of ethanol solution, and adding 1-5 parts by mass of epoxy resin to form suspension C;
and step five, starting a high-pressure spraying machine, uniformly spraying the super-hydrophobic material turbid liquid C on the inner surface of the infusion apparatus, solidifying at normal temperature, then spraying the post-super-hydrophobic material turbid liquid B on the surface of the infusion apparatus, and solidifying to obtain the double-layer super-hydrophobic coating with excellent stability.
4. The preparation method of the super-hydrophobic coating on the inner surface of the medical infusion set according to claim 3, characterized in that: and in the second step, the suspension A is mixed and stirred for 2 hours before being prepared, and the stirring speed is 500-600 rpm.
5. The preparation method of the super-hydrophobic coating on the inner surface of the medical infusion set according to claim 3, characterized in that: and (3) before forming the suspension B in the third step, carrying out ultrasonic oscillation for 30 min.
6. The preparation method of the super-hydrophobic coating on the inner surface of the medical infusion set according to claim 3, characterized in that: and in the fifth step, the high-pressure spraying machine is started, and spraying is carried out after proper spraying pressure is set.
7. The preparation method of the super-hydrophobic coating on the inner surface of the medical infusion set according to claim 3, characterized in that: and in the fifth step, starting the high-pressure spraying machine, setting a proper spraying pressure, uniformly spraying the super-hydrophobic material suspension C on the inner surface of the infusion apparatus, curing for 2 hours at normal temperature, then spraying the post-super-hydrophobic material suspension B on the surface of the infusion apparatus, curing for 30 minutes at 100 ℃, and curing for 10 minutes at 5 ℃ to prepare the double-layer super-hydrophobic coating with excellent stability.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113522931A (en) * | 2021-07-09 | 2021-10-22 | 浙江工业大学 | Mineral oxidation acid production inhibition method based on in-situ rapid film formation on surface of sulfurized mineral |
| CN114231127A (en) * | 2021-12-08 | 2022-03-25 | 北京科技大学 | Super-hydrophobic antibacterial coating loaded with antibacterial nano composite microspheres and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113522931A (en) * | 2021-07-09 | 2021-10-22 | 浙江工业大学 | Mineral oxidation acid production inhibition method based on in-situ rapid film formation on surface of sulfurized mineral |
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| CN114231127A (en) * | 2021-12-08 | 2022-03-25 | 北京科技大学 | Super-hydrophobic antibacterial coating loaded with antibacterial nano composite microspheres and preparation method thereof |
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Application publication date: 20210209 |