CN111995906A - Printing ventilated membrane that urine wet discolours - Google Patents
Printing ventilated membrane that urine wet discolours Download PDFInfo
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- CN111995906A CN111995906A CN202010906269.1A CN202010906269A CN111995906A CN 111995906 A CN111995906 A CN 111995906A CN 202010906269 A CN202010906269 A CN 202010906269A CN 111995906 A CN111995906 A CN 111995906A
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- water
- urine
- based ink
- printed
- breathable film
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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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
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
- A61F2013/422—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm the alarm being a colour change
Abstract
The invention relates to a urine wet color-changing printing breathable film, which comprises a PE film matrix and urine display areas printed, cured and formed on one side surface of the PE film matrix, wherein each urine display area consists of a water-based ink color-changing layer and a water-based ink color-developing layer, and the urine display areas comprise: the water-based ink color-changing layer is formed by printing, curing and molding second water-based ink containing water-soluble pigments which are dissolved and diffused in water after being dried, the water-based ink color-developing layer is formed by printing, curing and molding first water-based ink containing pigment toner which is insoluble in water after being dried, and the second water-based ink is printed after the first water-based ink is dried. The urine display area of the invention adopts the ink urine display technology, various patterns, colors and shapes can be designed according to requirements or requirements, the shapes, colors and patterns are rich and varied, and the visual effect of sudden color change before and after wetting can be achieved through color design.
Description
Technical Field
The invention belongs to the technical field of waterproof breathable films, and particularly relates to a urine-wet color-changing printed breathable film.
Background
At present, disposable absorbing articles comprise absorbing articles such as paper diapers, paper urine pads, sanitary towels and the like, the disposable absorbing articles all have the problem of needing to be replaced at proper time, and if the disposable absorbing articles are replaced too frequently, troubles and waste are brought; however, if the replacement is too late, there is a possibility that liquid leakage may occur because the absorbent capacity of the absorbent article is limited. How to dynamically detect and display the excretion situation of a user, including excretion times, excretion amount and whether the absorption capacity of the absorption article is close to saturation, has a great reference value for reasonable use of the absorption article.
Chinese published patent document (CN 202843930U) discloses a diaper with urine-displaying function, which comprises a non-permeable basement membrane and an absorbing core arranged thereon, wherein a urine-displaying strip is arranged on one surface of the non-permeable basement membrane close to the absorbing core. That is, one side of the permeable basement membrane towards the absorption core is provided with a urine display strip, and after the absorption core in contact with the urine display strip absorbs the urine and becomes wet, the urine display strip changes color or fades, so that the nursing staff is reminded to replace the paper diaper in time.
The mainstream urine display function in the prior art is mainly a hot-melt urine display technology, namely, the urine display glue formed by combining a hot melt adhesive and a substance with color sensitivity to pH value is used, when urine is soaked and is conducted to the surface of the urine display glue, the pH value of the urine display glue is changed, so that the color change of the urine display glue is caused, and the prompt effect is achieved.
However, the hot-melt type urine development technology is limited by the glue application, generally only the urine development strip of the above patent document can be made, the pattern or the shape cannot be individually designed, and the color development of the urine development glue depends on a specific pH sensitive material, so that the color change effect is also specific, and the color cannot be individually designed.
In addition, the hue of the aqueous ink mainly depends on the pigment, the pigment is uniformly distributed in a fine particle state in the binder, and the pigment particles can absorb, reflect, refract and transmit light, so that a certain color can be presented. Pigments are generally required to have vivid shades, appropriate tinctorial strength and hiding power. But in fact, both the pigment and the vehicle can change color under the irradiation of sunlight, and the color change can cause inconsistent color development after wetting, thus affecting the judgment.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the invention is to provide a urine discoloring printed breathable film, which can be used for individually designing the shape, the pattern and the color of a urine display area according to the requirements or requirements.
In order to solve the technical problems, the invention adopts the technical scheme that:
a printed breathable film capable of changing color by urine wetting comprises a PE film substrate and urine display areas printed, cured and formed on one side surface of the PE film substrate, wherein each urine display area consists of a water-based ink color changing layer and a water-based ink color developing layer, and the printed breathable film comprises a substrate body and a plurality of printed breathable films, wherein the printed breathable films are arranged on the substrate body, and the printed breathable films are arranged on the: the water-based ink color-changing layer is formed by printing, curing and molding second water-based ink containing water-soluble pigments which are dissolved and diffused in water after being dried, the water-based ink color-developing layer is formed by printing, curing and molding first water-based ink containing pigment toner which is insoluble in water after being dried, and the second water-based ink is printed after the first water-based ink is dried.
Preferably, the first water-based ink consists of the following components in percentage by mass: 45-60% of water-soluble acrylic resin, 15-25% of pigment toner, 15-25% of water and 2-10% of first auxiliary agent.
Preferably, the first auxiliary agent comprises an ultraviolet absorbent and one or more of a wetting agent, a dispersing agent, a filler, a viscosity regulator, an antioxidant, a film forming auxiliary agent and a leveling agent.
Preferably, the ultraviolet absorbent is phenyl salicylate, and the mass percentage of the ultraviolet absorbent in the first water-based ink is 1.5% -2%.
Preferably, the second water-based ink consists of the following components in percentage by mass: 25-40% of water-soluble acrylic resin, 15-20% of water-soluble pigment, 30-40% of water, 5-10% of alcohol and 2-10% of second auxiliary agent.
Preferably, the second auxiliary agent comprises one or more of a wetting agent, a dispersing agent, a filler, a viscosity regulator, an antioxidant, a film forming auxiliary agent and a leveling agent.
Preferably, the wetting agent is one or more of ethanol, propanol, isopropanol and butanol; the dispersant is one or more of ink dispersant SP-724, ink dispersant LD-403, polymer wetting dispersant HT-5083 and water-oil universal dispersant HT-5082; the filler is one or two of nano calcium carbonate and nano silicon dioxide; the viscosity modifier is APAO; the antioxidant is one or more of antioxidant 1010, antioxidant 168 and antioxidant 264; the flatting agent is one or two of polydimethylsiloxane aqueous emulsion and polyether modified organic silicon aqueous emulsion; the film-forming additive is an alcohol ester dodecafilm-forming additive.
Further, the printed breathable film also comprises a flow guide edge area, wherein the flow guide edge area comprises a waterproof breathable film layer and a liquid absorption assembly arranged on the PE film substrate at the edge of the urine display area, one end of the waterproof breathable film layer is compounded on the PE film substrate on one side, far away from the urine display area, of the liquid absorption assembly in a hot-pressing mode, and the other end of the waterproof breathable film layer covers the liquid absorption assembly and extends to partially cover the urine display area.
Preferably, the imbibition subassembly includes imbibition main part and water conservancy diversion bundle body, imbibition main part bonds and establishes on PE membrane base member and leaves the interval with urine apparent district, water conservancy diversion bundle body connects imbibition main part and water-based ink discoloration layer.
Preferably, the liquid absorption main body is a viscose fiber net layer and macromolecular water-absorbent resin particles filled in the viscose fiber net layer, and the flow guide bundle body is a viscose fiber strip.
Compared with the prior art, the invention has the following beneficial effects:
the urine display area of the invention adopts the ink urine display technology, various patterns, colors and shapes can be designed according to requirements or requirements, the shapes, colors and patterns are rich and varied, and the visual effect of sudden color change before and after wetting can be achieved through color design.
In addition, the connecting material of the water-based ink color changing layer and the water-based ink color developing layer adopts water-soluble acrylic resin, and the water-soluble acrylic resin is transparent under the dry condition and can turn white when meeting water, so that the color of the wet urine is more pure and obvious.
Moreover, the water-based ink color development layer contains the ultraviolet absorber, and the ultraviolet absorber can absorb incident ultraviolet rays and then convert the absorbed ultraviolet rays into molecular vibration energy and heat energy, so that the damage of the ultraviolet rays to pigment toner is blocked or slowed down, the effect of indirectly enabling the water-based ink color development layer not to be discolored is achieved, and the color development consistency of the printed breathable film after being wetted by urine is ensured.
Drawings
FIG. 1 is a schematic view of the structure of a printed breathable film according to embodiments 1-3 of the present invention.
FIG. 2 is a partial cross-sectional view of a printed breathable film of examples 1-3 of the present invention.
FIG. 3 is a schematic view of the structure of a printed breathable film according to embodiments 4-6 of the present invention.
FIG. 4 is a partial cross-sectional view of a printed breathable film of examples 4-6 of the present invention.
The labels in the figure are: 10. a PE film substrate; 20. a urine development zone; 21. a water-based ink color development layer; 22. a water-based ink color-changing layer; 30. a flow guiding edge area; 31. a waterproof breathable film layer; 32. a liquid suction main body; 33. a flow guiding bundle body; 34. polymeric water-absorbent resin particles.
Detailed Description
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
Example 1
As shown in fig. 1-2, the present embodiment provides a printed breathable film with color change due to urine wet, comprising a PE film substrate 10 and urine display regions 20 printed and cured on one side surface of the PE film substrate 10, wherein each urine display region 20 is composed of an aqueous ink color-changing layer 22 and an aqueous ink color-developing layer 21, wherein: the water-based ink color-changing layer 22 is formed by printing and curing second water-based ink containing water-soluble pigment which is dissolved and diffused when being dried and then being in water, the water-based ink color-developing layer 21 is formed by printing and curing first water-based ink containing pigment toner which is insoluble when being dried and then being printed with second water-based ink after being dried, and the PE film substrate 10 is a waterproof and breathable PE film.
In this embodiment, the first aqueous ink is composed of the following components in percentage by mass: 45-60% of water-soluble acrylic resin, 15-25% of pigment toner, 15-25% of water and 2-10% of first auxiliary agent, wherein the pigment toner is insoluble in water after drying. The first auxiliary agent comprises an ultraviolet absorbent and one or more of a wetting agent, a dispersing agent, a filler, a viscosity regulator, an antioxidant, a film forming auxiliary agent and a flatting agent. The specific formula of the first water-based ink is shown in table 1, and the component values are the mass percentages of the first water-based ink. Preferably, the first water-based ink can be ink from manufacturers such as Runlihua, Jinlongyuan, Fulitte and the like.
In this embodiment, the second aqueous ink is composed of the following components in percentage by mass: 25-40% of water-soluble acrylic resin, 15-20% of water-soluble pigment, 30-40% of water, 5-10% of alcohol and 2-10% of second auxiliary agent, wherein the water-soluble pigment is dissolved and diffused in water after being dried. The second auxiliary agent comprises one or more of a wetting agent, a dispersing agent, a filler, a viscosity regulator, an antioxidant, a film forming auxiliary agent and a flatting agent. The specific formulation of the second aqueous ink is shown in table 2, and the component values are the mass percentages of the second aqueous ink. Preferably, the second water-based ink can be Guangdong Huashi chemical urine development ink.
The urine development discoloration process for the printed breathable films of this example was: before wetting, the visual pattern effect that the superposition of yellow and blue of the water-based ink color changing layer 22 and the water-based ink color developing layer 21 shows is green, and after wetting, the water-soluble pigment in the water-based ink color changing layer 22 is contacted with urine and is rapidly dissolved by the urine, and the blue element gradually disappears along with the diffusion of the urine, so that only the yellow color of the water-based ink color developing layer 21 is left, namely, the color change before and after wetting is changed from green to yellow, and the effect of color changing and the effect of reminding replacement are visually generated. Meanwhile, the connecting material of the water-based ink color-changing layer 22 and the water-based ink color-developing layer 21 adopts water-soluble acrylic resin which is transparent under the dry condition and can turn white when meeting water, so that the color after wetting by urine is more pure and obvious.
Example 2
The difference between the embodiment 2 and the embodiment 1 is only that the formulas of the first water-based ink and the second water-based ink are slightly different, the specific formula of the first water-based ink is shown in table 1, and the component values are the mass percentages of the first water-based ink; the specific formulation of the second aqueous ink is shown in table 2, and the component values are the mass percentages of the second aqueous ink. The printed breathable film of example 2 was colored yellow with a red plus green overlay before wetting, and was colored red after wetting, with the red and yellow color change visible upon washing.
Example 3
The difference between the embodiment 3 and the embodiment 1 is only that the formulas of the first water-based ink and the second water-based ink are slightly different, the specific formula of the first water-based ink is shown in table 1, and the component values are the mass percentages of the first water-based ink; the specific formulation of the second aqueous ink is shown in table 2, and the component values are the mass percentages of the second aqueous ink. The printed breathable film of the embodiment 3 is purple when the blue and red are superposed before wetting, blue when the wet is blue, and the color change of the blue and the purple can be seen clearly.
Example 4
Embodiment 4 is further modified based on embodiment 1, and specifically includes: the printed breathable film further comprises a flow guiding edge area 30, the flow guiding edge area 30 comprises a waterproof breathable film layer 31 and a liquid absorption component arranged on the PE film substrate 10 at the edge of the urine display area 20, one end of the waterproof breathable film layer 31 is hot-pressed and compounded on the PE film substrate 10 at one side of the liquid absorption component far away from the urine display area 20, the other end of the waterproof breathable film layer 31 covers the liquid absorption component and extends to partially cover the urine display area 20, and the area of the urine display area 20 covered by the waterproof breathable film layer 31 at the corresponding position is 5% -50% of the urine display area 20 at the corresponding position, more preferably 10% -25%, as shown in figures 3-4.
The imbibition assembly comprises an imbibition main body 32 and a flow guide bundle body 33, wherein the imbibition main body 32 is adhered to the PE film substrate 10 and is spaced from the urine display area 20, the flow guide bundle body 33 is connected with the imbibition main body 32 and the water-based ink color changing layer 22, the imbibition main body 32 is a viscose fiber net layer and macromolecular water-absorbent resin particles 34 filled in the viscose fiber net layer, and the flow guide bundle body 33 is a viscose fiber strip.
The specific formulation of the first aqueous ink in this example 4 is shown in table 1, and the component values are the mass percentages of the first aqueous ink; the specific formulation of the second aqueous ink is shown in table 2, and the component values are the mass percentages of the second aqueous ink. The printed breathable film of example 4 was yellow plus blue superimposed to appear green before wetting, and yellow after wetting, with the color change between green and yellow visible.
In the embodiment, the flow guide edge area 30 is arranged at the edge of the urine display area 20, the waterproof breathable film layer 31 of the flow guide edge area 30 covers the isolation liquid absorption assembly, so that urine can be prevented from directly entering the liquid absorption assembly without passing through the urine display area 20, the urine is ensured to firstly act with the water-based ink color changing layer 22 in the urine display area 20 so as to dissolve and diffuse water-soluble pigments in the water-based ink color changing layer 22, and the waterproof breathable film layer 31 is arranged at the back side of the urine display area 20 far away from the PE film substrate 10 and is colorless or white, so that the visual effects of the water-based ink color changing layer 22 and the water-based ink color changing layer 21 are not influenced; then the urine dissolved and diffused with pigments is absorbed and guided by the liquid absorption component of the guide edge area 30, and the water-soluble pigments are separated from the color development area of the water-based ink color development layer 21, so that the color change of the urine development area 20 is more visual and accurate, and meanwhile, the visual effect of color mutation can be presented in the guide edge area 30, and the double color change area is larger in area and better in reminding effect.
The liquid absorption assembly of this embodiment includes imbibition main part 32 and water conservancy diversion beam body 33, imbibition main part 32 includes viscose fiber net layer and fills the polymer absorbent resin granule 34 in it, water conservancy diversion beam body 33 also preferably adopts the viscose fiber strip, utilize viscose fiber's the good characteristics of imbibition nature to dissolve the urine water-soluble pigment of diffusion in urine apparent district 20 and lead the urine water conservancy diversion and leave urine apparent district 20 to urine in the water conservancy diversion limit district 30 is preserved water through polymer absorbent resin granule 34, reduce and flow back and influence the color change effect.
Preferably, one end of the stream guidance bundle body 33 of the present embodiment is embedded between the water-based ink color changing layer 22 and the water-based ink color developing layer 21, and the embedded end of the stream guidance bundle body 33 is in a net distribution structure, which is beneficial for stream guidance.
Example 5
The difference between the embodiment 5 and the embodiment 4 is only that the formulations of the first water-based ink and the second water-based ink are slightly different, the specific formulation of the first water-based ink is shown in table 1, and the component values are the mass percentages of the first water-based ink; the specific formulation of the second aqueous ink is shown in table 2, and the component values are the mass percentages of the second aqueous ink. The printed breathable film of example 5 appeared yellow with the color red plus green superimposed before wetting, and red after wetting, with the color change between red and yellow visible.
Example 6
The difference between the embodiment 6 and the embodiment 4 is only that the formulations of the first water-based ink and the second water-based ink are slightly different, the specific formulation of the first water-based ink is shown in table 1, and the component values are the mass percentages of the first water-based ink; the specific formulation of the second aqueous ink is shown in table 2, and the component values are the mass percentages of the second aqueous ink. The printed breathable film of example 6 was blue plus red superimposed to appear purple before wetting, and blue after wetting, with the blue and purple color change visible.
Table 1: first aqueous ink formulation Table in inventive examples 1-6
2: second Water-based ink formulation Table in inventive examples 1-6
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a printing ventilated membrane that urine wet discolours which characterized in that: the urine display area comprises a PE film matrix and urine display areas printed and cured on one side surface of the PE film matrix, wherein each urine display area consists of a water-based ink color changing layer and a water-based ink color changing layer, and the urine display areas comprise: the water-based ink color-changing layer is formed by printing, curing and molding second water-based ink containing water-soluble pigments which are dissolved and diffused in water after being dried, the water-based ink color-developing layer is formed by printing, curing and molding first water-based ink containing pigment toner which is insoluble in water after being dried, and the second water-based ink is printed after the first water-based ink is dried.
2. The printed urine discoloring breathable film of claim 1, wherein: the first water-based ink comprises the following components in percentage by mass: 45-60% of water-soluble acrylic resin, 15-25% of pigment toner, 15-25% of water and 2-10% of first auxiliary agent.
3. The printed urine discoloring breathable film of claim 2, wherein: the first auxiliary agent comprises an ultraviolet absorbent and one or more of a wetting agent, a dispersing agent, a filler, a viscosity regulator, an antioxidant, a film forming auxiliary agent and a flatting agent.
4. The printed urine discoloring breathable film of claim 3, wherein: the ultraviolet absorbent is phenyl salicylate, and the mass percentage of the ultraviolet absorbent in the first water-based ink is 1.5-2%.
5. The printed urine discoloring breathable film of claim 1, wherein: the second water-based ink comprises the following components in percentage by mass: 25-40% of water-soluble acrylic resin, 15-20% of water-soluble pigment, 30-40% of water, 5-10% of alcohol and 2-10% of second auxiliary agent.
6. The printed urine discoloring breathable film of claim 5, wherein: the second auxiliary agent comprises one or more of a wetting agent, a dispersing agent, a filler, a viscosity regulator, an antioxidant, a film forming auxiliary agent and a flatting agent.
7. The printed urine discoloring breathable film of claim 3 or 5, wherein: the wetting agent is one or more of ethanol, propanol, isopropanol and butanol; the dispersant is one or more of ink dispersant SP-724, ink dispersant LD-403, polymer wetting dispersant HT-5083 and water-oil universal dispersant HT-5082; the filler is one or two of nano calcium carbonate and nano silicon dioxide; the viscosity modifier is APAO; the antioxidant is one or more of antioxidant 1010, antioxidant 168 and antioxidant 264; the flatting agent is one or two of polydimethylsiloxane aqueous emulsion and polyether modified organic silicon aqueous emulsion; the film-forming additive is an alcohol ester dodecafilm-forming additive.
8. The printed urine discoloring breathable film of claim 1, wherein: the printed breathable film also comprises a flow guide edge area, wherein the flow guide edge area comprises a waterproof breathable film layer and a liquid absorption assembly arranged on the PE film substrate at the edge of the urine display area, one end of the waterproof breathable film layer is compounded on the PE film substrate at one side, far away from the urine display area, of the liquid absorption assembly in a hot-pressing mode, and the other end of the waterproof breathable film layer covers the liquid absorption assembly and extends to partially cover the urine display area.
9. The printed urine discoloring breathable film of claim 8, wherein: the imbibition subassembly includes imbibition main part and water conservancy diversion bundle body, imbibition main part bonds and establishes on the PE membrane base member and leaves the interval with urine display area, water conservancy diversion bundle body coupling imbibition main part and water-based ink discoloration layer.
10. The printed urine discoloring breathable film of claim 9, wherein: the liquid absorption main body is a viscose fiber net layer and macromolecular water-absorbing resin particles filled in the viscose fiber net layer, and the flow guide bundle body is a viscose fiber strip.
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| CN202010906269.1A CN111995906A (en) | 2020-09-01 | 2020-09-01 | Printing ventilated membrane that urine wet discolours |
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| CN202010906269.1A CN111995906A (en) | 2020-09-01 | 2020-09-01 | Printing ventilated membrane that urine wet discolours |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115537064A (en) * | 2022-09-27 | 2022-12-30 | 广东佳景科技股份有限公司 | Gravure printing sterile water-based ink for breathable film of paper diaper and preparation method and application thereof |
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