CN215874424U - Water-soluble degradable toilet seat - Google Patents
Water-soluble degradable toilet seat Download PDFInfo
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- CN215874424U CN215874424U CN202120108927.2U CN202120108927U CN215874424U CN 215874424 U CN215874424 U CN 215874424U CN 202120108927 U CN202120108927 U CN 202120108927U CN 215874424 U CN215874424 U CN 215874424U
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Abstract
The utility model provides a water-soluble degradable toilet seat, which comprises five layers: the toilet seat comprises a central layer, an upper surface layer, a lower surface layer and an adhesive layer between the central layer and the upper surface layer and between the central layer and the lower surface layer, wherein the central layer is a water-soluble film layer, the upper surface layer and the lower surface layer are medical sterile paper layers, and the shape of the toilet seat is the same as that of a top view of the toilet seat. The water-soluble film layer is formed by a polyvinyl alcohol normal-temperature water-soluble film. The thickness of the polyvinyl alcohol normal-temperature water-soluble film is 20-40 micrometers. The toilet seat cushion formed by covering the water-soluble film with the medical sterile paper, disclosed by the utility model, has the advantages that the water-soluble film can be dissolved in water at normal temperature within 60 seconds, the sterile paper can be digested by microorganisms subsequently, the toilet seat cannot be blocked, the toilet seat cushion is flexible and comfortable, and is sterile, bacteriostatic and fragrant, so that different experiences are brought to people.
Description
Technical Field
The utility model relates to the technical field of hygienic products, in particular to a water-soluble degradable toilet seat and a preparation method thereof.
Background
At present, toilet facilities are mostly adopted in toilets in public places. Although the facility is civilized and convenient, the cross infection or pollution of some diseases is easy to generate in use, which brings trouble to users and prevents people from using the public toilet seat normally.
Chinese utility model patent with application number CN200720008590.8 discloses a sanitary toilet seat formed by laminating and pressing multiple layers of U-shaped sheets, wherein the one layer of the bottom surface of the toilet seat is coated with non-setting adhesive and has an anti-adhesive paper layer, and the bottom surface is provided with a sucker for fixing. The user tears off the uppermost sheet to ensure that the brand new disposable sanitary toilet seat is used.
But the thin sheet material in the technical scheme is not degradable and is not friendly to the environment; after the use, a special collecting bag is needed for collection and is specially processed by managers, which is labor-consuming. Meanwhile, the multilayer toilet seat cushion is directly placed on the seat and is easy to be polluted, and a user can easily tear off the multilayer thin sheet at one time, so that waste is caused.
The chinese utility model patent with application number 201720878642.0 discloses a water-soluble degradable toilet seat and a fixing device thereof, wherein the sanitary pad is made of water-soluble degradable material. The sanitary pad made of the water-soluble degradable material is directly adhered to the toilet seat to be contacted with a human body, is easy to adhere to the human body in the using process, causes discomfort to the human body, leaves adhesive marks on the toilet seat and is not beneficial to subsequent use. And the water-soluble degradable material has slow dissolution speed, and the toilet is in danger of blockage when frequently used.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model aims to provide the water-soluble degradable toilet seat which is flexible, comfortable and sterile, is clean, sanitary and high in comfort level, is convenient to use, directly enters the toilet bowl after being used, is flushed into a sewer along with excrement to be decomposed and dissolved, and reduces the environmental pollution.
The utility model adopts the following technical scheme:
a water-soluble degradable toilet seat comprises five layers: the toilet seat comprises a central layer, an upper surface layer, a lower surface layer and an adhesive layer between the central layer and the upper surface layer and between the central layer and the lower surface layer, wherein the central layer is a water-soluble film layer, the upper surface layer and the lower surface layer are medical sterile paper layers, and the shape of the toilet seat is the same as that of a top view of the toilet seat.
Preferably, the water-soluble film layer is formed by a polyvinyl alcohol normal-temperature water-soluble film.
Preferably, the thickness of the polyvinyl alcohol normal-temperature water-soluble film is 20-40 micrometers.
Preferably, the polyvinyl alcohol normal-temperature water-soluble film comprises the following components in percentage by mass: 55.0 to 68.0 percent of polyvinyl alcohol, 10.6 to 17.0 percent of plasticizer, 2.0 to 4.8 percent of reinforcing agent, 1.0 to 4.8 percent of emulsifier, 1.0 to 4.4 percent of release agent and the balance of water.
Preferably, the polyvinyl alcohol normal-temperature water-soluble film comprises the following components in percentage by mass: 60.0-62.0% of polyvinyl alcohol, 13.0-15.0% of plasticizer, 2.0-4.4% of reinforcing agent, 1.0-4.4% of emulsifier, 1.0-4.2% of release agent and the balance of water.
Preferably, the plasticizer is glycerol, the reinforcing agent is soluble starch, the emulsifier is tween 80, and the release agent is simethicone.
Preferably, the adhesive layer between the central layer and the upper and lower surface layers is formed by a polyvinyl alcohol aqueous adhesive, and the adhesive comprises the following components in percentage by mass: 10-14.5% of polyvinyl alcohol, 3.0-6.1% of starch, 0.01-0.10% of salicylic acid, 2.8-5.7% of thickening agent KJ-200, 0.3-0.7% of essence and the balance of water.
The KJ-200 is a KJ-200 glue thickening agent.
The utility model also provides a preparation method of the water-soluble degradable toilet seat pad, which comprises the following steps;
step 1, coating a water-soluble film on a film laminating machine, uniformly coating a water-soluble adhesive on the upper surface of the water-soluble film through a glue coating roller, and laminating medical sterile paper and the water-soluble film into a whole through hot pressing by using a heating roller;
and 3, cutting and forming the water-soluble film with the upper surface and the lower surface which are thermally laminated with the medical sterile paper after heating and embossing.
Preferably, the heated roller has a temperature of 110 ℃.
Preferably, the preparation method of the water-soluble film comprises the following steps: firstly, adding a proper amount of water into polyvinyl alcohol for dissolving, then heating the polyvinyl alcohol to 70-80 ℃ in a water bath, adding a reinforcing agent, a plasticizer, an emulsifier and a release agent, then uniformly stirring, standing for 2 hours, defoaming, and drying to form a film by adopting a steel belt tape casting method after 24 hours.
The polyvinyl alcohol water-based adhesive is prepared by heating, mixing and stirring preparation raw materials.
Compared with the prior art, the utility model has the beneficial effects that:
1. the toilet seat pad is formed by covering the water-soluble film with the medical sterile paper, wherein the water-soluble film can be dissolved in 60 seconds when meeting water at normal temperature, and the sterile paper can be digested by microorganisms later and cannot block a toilet.
2. The toilet seat cushion formed by covering the water-soluble film with the medical sterile paper is flexible, comfortable, sterile, bacteriostatic and fragrant, and brings different experiences to people.
Drawings
FIG. 1: the structure of the water-soluble degradable toilet seat cushion layer is shown schematically;
FIG. 2: the water-soluble degradable toilet seat cushion of the utility model is in a shape chart;
wherein: 1-medical sterile paper layer; 2-a water-soluble film layer; 3-adhesive layer, 4-toilet seat pad of the utility model.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, a water-soluble degradable toilet seat 4 comprises five layers: the toilet seat comprises a central layer 1, an upper surface layer 2, a lower surface layer 2 and an adhesive layer 3 between the central layer and the upper surface layer and between the central layer and the lower surface layer, wherein the central layer 1 is a water-soluble film layer, the upper surface layer 2 and the lower surface layer 2 are medical sterile paper layers, and the shape of the toilet seat 4 is the same as that of the top view of the toilet seat. The water-soluble film layer is formed by a polyvinyl alcohol normal-temperature water-soluble film, and the thickness of the water-soluble film layer is 20-40 micrometers.
The polyvinyl alcohol normal-temperature water-soluble film comprises the following components in percentage by mass: 55.0 to 68.0 percent of polyvinyl alcohol, 10.6 to 17.0 percent of plasticizer, 2.0 to 4.8 percent of reinforcing agent, 1.0 to 4.8 percent of emulsifier, 1.0 to 4.4 percent of release agent and the balance of water.
Preferably, the polyvinyl alcohol normal-temperature water-soluble film comprises the following components in percentage by mass: 60.0-62.0% of polyvinyl alcohol, 13.0-15.0% of plasticizer, 2.0-4.4% of reinforcing agent, 1.0-4.4% of emulsifier, 1.0-4.2% of release agent and the balance of water.
Preferably, the plasticizer is glycerol, the reinforcing agent is soluble starch, the emulsifier is tween 80, and the release agent is simethicone.
The adhesive layer between the central layer and the upper and lower surface layers is formed by polyvinyl alcohol aqueous adhesive, and the adhesive comprises the following components in percentage by mass: 10-14.5% of polyvinyl alcohol, 3.0-6.1% of starch, 0.01-0.10% of salicylic acid, 2.8-5.7% of thickening agent KJ-200, 0.3-0.7% of essence and the balance of water.
The preparation method of the water-soluble degradable toilet seat comprises the following steps;
step 1, coating a water-soluble film on a film laminating machine, uniformly coating a water-soluble adhesive on the upper surface of the water-soluble film through a glue coating roller, and laminating medical sterile paper and the water-soluble film into a whole through hot pressing by using a heating roller;
and 3, cutting and forming the water-soluble film with the upper surface and the lower surface which are thermally laminated with the medical sterile paper after heating and embossing.
The temperature of the heated rolls was 110 ℃.
The preparation method of the water-soluble film comprises the following steps: firstly, adding a proper amount of water into polyvinyl alcohol for dissolving, then heating the polyvinyl alcohol to 70-80 ℃ in a water bath, adding a reinforcing agent, a plasticizer, an emulsifier and a release agent, then uniformly stirring, standing for 2 hours, defoaming, and drying to form a film by adopting a steel belt tape casting method after 24 hours.
The polyvinyl alcohol aqueous adhesive is prepared by heating, mixing and stirring the preparation raw materials.
Example 1:
the thickness of the polyvinyl alcohol normal-temperature water-soluble film is 30 micrometers, and the water-soluble film comprises the following components in percentage by mass: 61.6% of polyvinyl alcohol, 14.0% of glycerol, 4.2% of soluble starch, 804.2% of tween, 4.0% of simethicone and the balance of water.
The aqueous adhesive is polyvinyl alcohol aqueous adhesive, and comprises the following components in percentage by mass: 13.7 percent of polyvinyl alcohol, 5.5 percent of starch, 0.04 percent of salicylic acid, 5.7 percent of thickening agent KJ-200, 0.3 percent of essence and the balance of water.
Example 2:
the thickness of the polyvinyl alcohol normal-temperature water-soluble film is 25 micrometers, and the water-soluble film comprises the following components in percentage by mass: 55% of polyvinyl alcohol, 17.0% of glycerol, 2.1% of soluble starch, 804.8% of tween, 4.4% of simethicone and the balance of water.
The aqueous adhesive is polyvinyl alcohol aqueous adhesive, and comprises the following components in percentage by mass: 10 percent of polyvinyl alcohol, 6.1 percent of starch, 0.01 percent of salicylic acid, 4.1 percent of thickening agent KJ-200, 0.5 percent of essence and the balance of water.
Example 3:
the thickness of the polyvinyl alcohol normal-temperature water-soluble film is 40 micrometers, and the water-soluble film comprises the following components in percentage by mass: 68% of polyvinyl alcohol, 10.6% of glycerol, 4.8% of soluble starch, 801.0% of tween, 1.0% of simethicone and the balance of water.
The aqueous adhesive is polyvinyl alcohol aqueous adhesive, and comprises the following components in percentage by mass: 14.5 percent of polyvinyl alcohol, 3.0 percent of starch, 0.1 percent of salicylic acid, 2.8 percent of thickening agent KJ-200, 0.7 percent of essence and the balance of water.
Compared with the prior art, the utility model has the beneficial effects that:
1. the toilet seat pad is formed by covering the water-soluble film with the medical sterile paper, wherein the water-soluble film can be dissolved in 60 seconds when meeting water at normal temperature, and the sterile paper can be digested by microorganisms later and cannot block a toilet.
2. The toilet seat cushion formed by covering the water-soluble film with the medical sterile paper is flexible, comfortable, sterile, bacteriostatic and fragrant, and brings different experiences to people.
The applicant has described and illustrated embodiments of the present invention in detail with reference to the drawings attached hereto, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (4)
1. A water-soluble degradable toilet seat cushion is characterized by comprising five layers: the toilet seat comprises a central layer, an upper surface layer, a lower surface layer and an adhesive layer between the central layer and the upper surface layer and between the central layer and the lower surface layer, wherein the central layer is a water-soluble film layer, the upper surface layer and the lower surface layer are medical sterile paper layers, and the shape of the toilet seat is the same as that of a top view of the toilet seat.
2. The water-soluble degradable toilet seat pad according to claim 1, wherein the water-soluble film layer is made of polyvinyl alcohol normal temperature water-soluble film.
3. The water-soluble degradable toilet seat according to claim 2, wherein the thickness of the polyvinyl alcohol film is 20-40 μm.
4. The water-soluble degradable toilet seat according to claim 1, wherein the adhesive layer between the center layer and the upper and lower surface layers is formed by a polyvinyl alcohol based water-based adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120108927.2U CN215874424U (en) | 2021-01-15 | 2021-01-15 | Water-soluble degradable toilet seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120108927.2U CN215874424U (en) | 2021-01-15 | 2021-01-15 | Water-soluble degradable toilet seat |
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| Publication Number | Publication Date |
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| CN215874424U true CN215874424U (en) | 2022-02-22 |
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| CN202120108927.2U Active CN215874424U (en) | 2021-01-15 | 2021-01-15 | Water-soluble degradable toilet seat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918050A (en) * | 2021-01-27 | 2021-06-08 | 山东优化新材料有限公司 | Water-soluble degradable toilet seat and preparation method thereof |
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2021
- 2021-01-15 CN CN202120108927.2U patent/CN215874424U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918050A (en) * | 2021-01-27 | 2021-06-08 | 山东优化新材料有限公司 | Water-soluble degradable toilet seat and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shandong New Technology Optimization Co.,Ltd. Assignor: Shandong optimization New Material Co.,Ltd. Contract record no.: X2023980038056 Denomination of utility model: A water-soluble and biodegradable toilet seat cushion Granted publication date: 20220222 License type: Common License Record date: 20230714 |
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| EE01 | Entry into force of recordation of patent licensing contract |