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CN-121971221-A - Oral care protective film for improving sexual interest and preventing sexually transmitted diseases and preparation method thereof

CN121971221ACN 121971221 ACN121971221 ACN 121971221ACN-121971221-A

Abstract

The invention discloses an oral care protective film for improving sexual interest and preventing sexually transmitted diseases and a preparation method thereof, and relates to the technical field of medical appliances, comprising the following steps that S1, a base material film is prepared, namely a base material layer film with the thickness of 10-50 microns is prepared by adopting aqueous polyurethane resin through a tape casting molding method or a film blowing method; S2, constructing a composite functional layer, namely uniformly dispersing an antibacterial antiviral agent in an aqueous polyurethane solution, coating one surface of a substrate layer through precise coating equipment to form the composite functional layer, drying and curing at 50-70 ℃, and setting the composite functional layer to contain an effective amount of a broad-spectrum antibacterial antiviral agent, so that the infection risk of sexually transmitted diseases can be obviously reduced, and the use safety is improved. Meanwhile, the edible flavor agent and the warm feeling preparation which are embedded in the microencapsulation are adopted in the sensory enhancement layer, so that pleasant flavor can be released and comfortable warm feeling can be generated in the use process, and the sexual interest experience is effectively improved.

Inventors

  • LIU XIAOMIN

Assignees

  • 舒奈美生物科技(广州)有限公司

Dates

Publication Date
20260505
Application Date
20251220

Claims (8)

  1. 1. The oral care protective film for improving sexual interest and preventing sexually transmitted diseases is characterized by comprising a substrate layer (1), wherein a composite functional layer (2) is arranged on the outer side of the substrate layer (1), a sense enhancing layer (3) is arranged on the outer side of the composite functional layer (2), the substrate layer (1), the composite functional layer (2) and the sense enhancing layer (3) are fixedly connected with a flexible supporting ring (4) arranged on the top of the substrate layer, the composite functional layer (2) contains an effective amount of broad-spectrum antibacterial antiviral agent, and the sense enhancing layer (3) contains a microencapsulated embedded edible flavor agent and a warm feeling preparation.
  2. 2. The oral protective film for improving sexual interest and preventing sexually transmitted diseases according to claim 1, wherein the broad-spectrum antibacterial antiviral agent in the composite functional layer (2) is selected from natural antibacterial agents and quaternary ammonium salt compounds, wherein the natural antibacterial agents comprise chitosan, tea polyphenols and derivatives, and the quaternary ammonium salt compounds comprise benzalkonium chloride and cetrimonium bromide.
  3. 3. The oral protective film for improving sexual interest and preventing sexually transmitted diseases according to claim 1, wherein the antibacterial antiviral agent is combined with the base material layer (1) by a coating method, wherein the composite functional layer (2) formed by the coating method is a continuous coating layer with a thickness of 1-10 μm, and the antibacterial antiviral agent is distributed in the coating layer in a surface-enriched form, and the surface concentration thereof is 5 times or more the internal concentration of the base material layer (1).
  4. 4. The oral care protective film for improving sexual interest and preventing sexually transmitted diseases according to claim 1, wherein the complex functional layer (2) is further integrated with an intelligent warning system, the intelligent warning system comprises indicator molecules sensitive to characteristic enzymes of pathogens and pH sensitive dyes sensitive to changes of pH values outside the range of 4.5 to 8.5, the indicator molecules are covalently bonded and embedded in a polymer network of the substrate layer (1), and the color of the indicator molecules or the pH sensitive dyes is changed reversibly or irreversibly when the indicator molecules or the pH sensitive dyes are contacted with a risk pathogen or abnormal body fluid, and the change color difference delta E is more than 5 so as to be convenient for naked eyes to recognize.
  5. 5. The oral care protective film for improving sexual interest and preventing sexually transmitted diseases according to claim 1, wherein the microcapsule embedding technology in the sensory enhancement layer (3) is specifically that the wall material of the microcapsule is gelatin-acacia complex, sodium alginate, the core material of the microcapsule is food grade essence, flavor or phase change material, the phase change temperature of the phase change material is 30-36 ℃, the phase change material is used for absorbing heat or releasing heat when contacting an oral cavity to generate a warm sensation, the average particle size of the microcapsule is 10-100 microns, the content is released by breaking through friction pressure or saliva wetting effect, the surface of the sensory enhancement layer (3) is provided with a micron-sized convex texture structure through embossing or laser engraving, and the texture structure covers more than 30% of the area of a tongue surface contact area.
  6. 6. An oral protective film for improving sexual interest and preventing sexually transmitted diseases, comprising the method for producing an oral protective film for improving sexual interest and preventing sexually transmitted diseases according to any one of claims 1 to 5, characterized in that: the method comprises the following steps: s1, preparing a substrate film, namely preparing a substrate layer (1) film with the thickness of 10-50 micrometers by adopting aqueous polyurethane resin through a tape casting method or a film blowing method; S2, constructing a composite functional layer, namely uniformly dispersing an antibacterial antiviral agent in an aqueous polyurethane solution, coating one surface of a substrate layer (1) through precise coating equipment to form the composite functional layer (2), and drying and curing at 50-70 ℃; s3, preparing a sensory enhancement layer, namely preparing microcapsules loaded with a flavor and a warming agent by a fluidized bed coating method or an in-situ polymerization method, mixing the microcapsules with an aqueous adhesive, and applying the microcapsules on the surface of the composite functional layer (2) in a spraying manner to form a sensory enhancement layer (3); s4, post-treatment and integration, namely cutting the obtained composite film, and carrying out hot press on the periphery and a prefabricated flexible supporting frame (4) or bonding the periphery and the prefabricated flexible supporting frame through water-soluble glue; And S5, sterilizing and packaging, namely placing the integrated product into an aluminum foil package, and performing terminal sterilization by adopting gamma rays or electron beams to ensure the sterility of the product.
  7. 7. The method for preparing the oral care protective film for improving sexual interest and preventing sexually transmitted diseases according to claim 6, wherein in the step S2, the construction of the composite functional layer (2) adopts a multilayer coextrusion process, specifically: A1, respectively feeding polymer master batch containing broad-spectrum antibacterial antiviral agent, polymer master batch containing pH sensitive dye, polymer master batch containing indicator molecule sensitive to pathogen characteristic enzyme and base material polymer master batch into different extruders A2, extruding the base material layer (1), the middle warning layer containing pH sensitive dye and indicator molecules and the surface protective layer containing broad-spectrum antibacterial antiviral agent through a co-extrusion die head with a three-layer structure, and shaping by a cooling roller to form an integrated composite film.
  8. 8. The method for preparing oral care protective film for improving sexual interest and preventing sexually transmitted diseases according to claim 6, wherein in the step S3, the construction of the sensory enhancement layer (3) adopts an electrospinning technique, specifically: B1, dissolving a polymer material, a flavor microcapsule and a thermal preparation in a solvent together to form spinning solution; and B2, spinning the spinning solution into nano-to-micron-sized fibers under a high-voltage electrostatic field, and directly depositing the nano-to-micron-sized fibers on the surface of the composite functional layer (2) to form a sensory enhancement layer (3) with a high specific surface area and a porous structure, wherein the structure can promote the rapid absorption of saliva and the efficient release of microcapsules.

Description

Oral care protective film for improving sexual interest and preventing sexually transmitted diseases and preparation method thereof Technical Field The invention relates to the technical field of medical instruments, in particular to an oral protective film for improving sexual interest and preventing sexually transmitted diseases and a preparation method thereof. Background The oral protective film is a physical barrier device specially designed for oral scenes, and has the core function of isolating oral cavity and genital area through a film and blocking body fluid exchange to prevent sexually transmitted diseases. According to the patent name, the mouth-crossing sleeve comprises a frame, a bag and a bag, wherein the frame is positioned at one end of the mouth-crossing sleeve, the shape of the mouth-crossing sleeve is in a lip line shape, the bag is connected with the frame to form the other end of the mouth-crossing sleeve, the shape of the mouth-crossing sleeve is in a duck egg shape or other shapes close to an oral cavity, the diameter of the mouth-crossing sleeve is far greater than that of a common male condom, and the outer edge of the frame is bent towards the bag direction and is matched with the arc shape of the face of a user. The technical scheme effectively solves various defects in oral delivery, and particularly comprises the following steps of being universal for men and women, having no foreign body sensation, enabling a user to have no wrapping sensation and thoroughly blocking the transmission of diseases. Based on the prior art, the existing oral care protective film for improving sexual interest and preventing sexually transmitted diseases and the preparation method thereof still have the following problems that the traditional product only has a basic physical isolation function, lacks active antibacterial and antiviral capabilities to effectively prevent sexually transmitted diseases, has monotonous sensory experience and cannot improve sexual interest, and lacks a risk prompting mechanism, so that a user cannot intuitively perceive potential pathogens or abnormal body fluid risks in the using process. Disclosure of Invention Aiming at the defects of the prior art, the oral care protective film for improving sexual interest and preventing sexually transmitted diseases and the preparation method thereof are provided, and the problems that the traditional product only has a basic physical isolation function, lacks active antibacterial and antiviral capabilities to effectively prevent sexually transmitted diseases, is monotonous in sensory experience and cannot improve sexual interest, and secondly lacks a risk prompting mechanism, so that a user cannot intuitively perceive potential pathogens or abnormal body fluid risks in the using process are solved. The oral care protective film for improving sexual interest and preventing sexually transmitted diseases comprises a substrate layer, wherein a composite functional layer is arranged on the outer side of the substrate layer, a sense enhancing layer is arranged on the outer side of the composite functional layer, the substrate layer, the composite functional layer and the sense enhancing layer are fixedly connected with a flexible supporting ring arranged on the top of the substrate layer, the composite functional layer and the sense enhancing layer, the composite functional layer comprises an effective amount of broad-spectrum antibacterial antiviral agent, and the sense enhancing layer comprises a microencapsulated embedded food-grade flavor agent and a warm feeling preparation. Preferably, the broad-spectrum antibacterial antiviral agent in the composite functional layer is selected from natural antibacterial agents and quaternary ammonium salt compounds, wherein the natural antibacterial agents comprise chitosan, tea polyphenol and derivatives, and the quaternary ammonium salt compounds comprise benzalkonium chloride and cetrimonium bromide. Preferably, the antibacterial antiviral agent is combined with the substrate layer by a coating mode, wherein the composite functional layer formed by the coating mode is a continuous coating layer with the thickness of 1-10 micrometers, and the antibacterial antiviral agent is distributed in the coating layer in a surface-enriched mode, and the surface concentration of the antibacterial antiviral agent is more than 5 times of the internal concentration of the substrate layer. Preferably, the intelligent warning system is further integrated in the composite functional layer of the composite functional layer, and comprises an indicator molecule sensitive to pathogen characteristic enzymes and a pH sensitive dye sensitive to changes of pH values outside the range of 4.5 to 8.5, wherein the indicator molecule is covalently bonded and embedded in a polymer network of the substrate layer, and the color of the indicator molecule or the pH sensitive dye is changed reversibly or irreversibly when the in