CN113773569A - Antibacterial bath ball and preparation method thereof - Google Patents
Antibacterial bath ball and preparation method thereof Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K7/00—Body washing or cleaning implements
- A47K7/02—Bathing sponges, brushes, gloves, or similar cleaning or rubbing implements
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- C08K2003/2241—Titanium dioxide
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Abstract
The invention relates to the technical field of bath product production, in particular to an antibacterial bath ball and a preparation method thereof; the antibacterial bath ball is prepared from the following components in parts by weight of 93-95: 4-6: 0.07-0.1 parts of low-density polyethylene, low-density polyethylene antibacterial master batch and PE toner; the low-density polyethylene antibacterial master batch is prepared from the following raw materials in parts by weight: 93-97 parts of low-density high-pressure polyethylene, 2.5-3.6 parts of high-efficiency antibacterial agent, 2.0-4.0 parts of nano zinc oxide and 3.2-4.5 parts of silver-loaded antibacterial agent; the antibacterial bath ball prepared by the invention not only has good antibacterial and bacteriostatic properties, but also has good anti-aging property, thereby effectively prolonging the service life of the antibacterial bath ball and ensuring the quality of the antibacterial bath ball; meanwhile, the prepared bath ball also has the advantages of safety, no toxicity and difficult fading.
Description
Technical Field
The invention relates to the technical field of bath product production, in particular to an antibacterial bath ball and a preparation method thereof.
Background
The bath ball is also called bath ball and bath flower, and the English name is Bathball or Bathblower. When in steam sauna or bath, the shower gel is put on a bath ball to be foamed and then lightly rubbed on the skin to generate a large amount of foam, and the variety is various, and Polyethylene (PE) is generally used as a raw material. The bath ball is often used during bathing, a small amount of bath is squeezed and exposed on the bath ball during bathing, then a small amount of water is added, and the bath ball is gently kneaded to immediately generate a large amount of foam.
However, since the bath ball is often in contact with water, the surface of the bath ball can generate peculiar smell due to the breeding of microorganisms and even corrode the structure of the bath ball after a long time, thereby affecting the service life and the quality of the bath ball. Moreover, the bath ball produced by the prior art has different aging phenomena after being used for a long time, and the service life of the bath ball is influenced to a certain extent. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an antibacterial bath ball and a method for preparing the same.
Disclosure of Invention
The invention aims to provide an antibacterial bath ball and a preparation method thereof, the prepared antibacterial bath ball not only has good antibacterial and bacteriostatic properties, but also has good anti-aging property, the service life of the antibacterial bath ball is effectively prolonged, and the quality of the antibacterial bath ball is also ensured; meanwhile, the prepared bath ball also has the advantages of safety, no toxicity and difficult fading.
In order to achieve the purpose, the invention provides the following technical scheme:
an antibacterial bath ball is prepared from the following components in parts by weight of 93-95: 4-6: 0.07-0.1 parts of low-density polyethylene, low-density polyethylene antibacterial master batch and PE toner; the low-density polyethylene antibacterial master batch is prepared from the following raw materials in parts by weight: 93-97 parts of low-density high-pressure polyethylene, 2.5-3.6 parts of high-efficiency antibacterial agent, 2.0-4.0 parts of nano zinc oxide and 3.2-4.5 parts of silver-carrying antibacterial agent.
Further, the preparation method of the high-efficiency antibacterial agent comprises the following steps:
firstly, modifying an inorganic porous substrate;
putting the inorganic porous base material into the mixed solvent according to the solid-liquid ratio of 0.06-0.1 g/mL; adding a silane coupling agent with the mass of 8-15% of the inorganic porous base material into the mixed solvent under the condition of ultrasonic dispersion; dispersing for 30-40 min by ultrasonic; then reacting for 3-5 h under the stirring condition; after the reaction is finished, sequentially filtering, washing and drying the obtained product; the obtained solid powder is stored for standby;
secondly, preparing a high-efficiency antibacterial agent;
adding solid powder into an appropriate amount of ethanol according to a solid-liquid ratio of 0.08-0.15 g/mL, and then adding 2, 6-dimethyl-2, 6-octadienal with the mass of 10-20% of the solid powder into the ethanol under the stirring condition; and stirring and reacting for 5-8 h at the temperature of 30-50 ℃; after the reaction is finished, the solid powder is sequentially filtered, washed and dried, and the finally obtained solid powder is the finished product of the high-efficiency antibacterial agent.
Still further, the method for preparing the inorganic porous substrate comprises the following steps:
weighing a proper amount of tetrabutyl titanate, dripping the tetrabutyl titanate into ethanol with the volume 4-6 times of that of the ethanol, dispersing uniformly by using ultrasonic waves, slowly dripping the obtained mixed component into deionized water with the volume 20-30 times of that of the tetrabutyl titanate, mixing and stirring for 30-40 min, and fully hydrolyzing the tetrabutyl titanate;
ii, after the tetrabutyl titanate is completely hydrolyzed, washing the obtained mixed solution with ethanol, transferring the washed mixed solution into reaction equipment, adding a proper amount of ethanol to enable the volume of the mixed solution to be 65-75% of that of the reaction kettle, then adding ammonium bicarbonate with the use amount of 2-3% of deionized water into the reaction kettle, mixing and stirring uniformly, setting the temperature of the reaction kettle to be 170-190 ℃, and carrying out heat preservation reaction for 40-50 hours at the temperature;
iii, after the reaction is finished, naturally cooling the generated liquid in the reaction kettle to room temperature; then, washing the generated solution for 2-3 times by using deionized water and ethanol respectively; and then, placing the obtained solid substance in a drying box for drying treatment, wherein the obtained solid substance is the finished product of the inorganic porous base material.
Furthermore, the mixed solvent comprises 40-60% of ethanol aqueous solution, 8-15% of dodecyl trimethyl ammonium chloride, 15-20% of sodium 2-hydroxy-4-methoxybenzophenone-5-sulfonate and 2.5-3.8% of surfactant.
Furthermore, the surfactant is any one of octyl phenol polyoxyethylene ether and nonyl phenol polyoxyethylene ether.
Furthermore, the silane coupling agent is any one of 3-aminopropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
Furthermore, the average particle size of the prepared inorganic porous base material is 150-165 nm, and the pore diameter of the surface micropores is 4-6 nm.
Further, the preparation method of the silver-loaded antibacterial agent comprises the following steps: mixing and stirring shell powder with the particle size of 20-50 nm and distilled water with the mass of 8-12 times of that of the shell powder uniformly to form turbid suspension electrolyte; then, electrolyzing the silver serving as an anode in electrolyte to dissolve and separate out silver ions from the anode silver, and sequentially filtering, separating and drying the silver ions after the electrolysis is finished; then carrying out heat treatment on the obtained solid powder for 3-13 h at the temperature of 350-650 ℃ in a nitrogen atmosphere; and naturally cooling the silver oxide and the silver hydroxide adsorbed on the surface of the powder material to room temperature to obtain solid powder, namely the finished product of the silver-loaded antibacterial agent.
Furthermore, the anode current density in the electrolysis process is 50-10000A/m2The electrolysis time is set to be 10-60 min.
The preparation method of the antibacterial bath ball comprises the following steps:
i, accurately weighing all the raw materials, and then mixing and stirring low-density polyethylene, low-density polyethylene antibacterial master batches and PE toner uniformly at a rotating speed of 180-230 r/min to obtain a mixed material;
II, melting and blending the mixed material obtained in the step I, and extruding and molding the melted and blended mixed material at the temperature of 220-250 ℃ to obtain a reticular semi-finished product;
III, cooling, drawing, draining, drawing again and rolling the obtained net-shaped semi-finished product; and then sequentially slitting and embroidering the stretched semi-finished product to obtain the finished product of the antibacterial bath ball.
Compared with the prior art, the invention has the beneficial effects that:
the invention takes tetrabutyl titanate, ammonium bicarbonate and the like as raw materials for preparing the inorganic porous base material, and finally prepares the hollow porous structure inorganic porous base material with larger specific surface area. Then putting the inorganic porous base material into an ethanol water solution containing dodecyl trimethyl ammonium chloride, 2-hydroxy-4-methoxybenzophenone-5-sodium sulfonate and a surfactant, and fully dispersing the dodecyl trimethyl ammonium chloride and the 2-hydroxy-4-methoxybenzophenone-5-sodium sulfonate on the surface, the inner wall and the pores of the inorganic porous base material by ultrasonic dispersion. And chemically modifying the inorganic porous substrate by using a silane coupling agent so that the silane coupling agent is connected with the inorganic porous substrate through a chemical bond. And carrying out grafting reaction between the modified inorganic porous substrate and 2, 6-dimethyl-2, 6-octadienal, and finally successfully grafting the 2, 6-dimethyl-2, 6-octadienal on the surface, the inner wall and pores of the inorganic porous substrate. Under the dual action of silane coupling agent and 2, 6-dimethyl-2, 6-octadienal, dodecyl trimethyl ammonium chloride and 2-hydroxy-4-methoxybenzophenone-5-sodium sulfonate are effectively 'locked' on the surface and inner wall of the inorganic porous base material.
The prepared high-efficiency antibacterial agent contains certain dodecyl trimethyl ammonium chloride and 2, 6-dimethyl-2, 6-octadienal which are mutually cooperated with the silver-carrying antibacterial agent, so that the prepared high-efficiency antibacterial agent has good antibacterial performance. In addition, the high-efficiency antibacterial agent is made of nano titanium dioxide and can be cooperated with 2-hydroxy-4-methoxybenzophenone-5-sodium sulfonate and nano zinc oxide, so that the prepared high-efficiency antibacterial agent has good ultraviolet resistance and ageing resistance, and the service life of the prepared antibacterial bath ball is prolonged to a certain extent.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.
Example 1
An antibacterial bath ball is prepared from the following components in parts by weight of 93: 6: 0.07 parts of low-density polyethylene, low-density polyethylene antibacterial master batch and PE toner; the low-density polyethylene antibacterial master batch is prepared from the following raw materials in parts by weight: 93 portions of low-density high-pressure polyethylene, 2.5 portions of high-efficiency antibacterial agent, 2.0 portions of nano zinc oxide and 3.2 portions of silver-carrying antibacterial agent.
The preparation method of the high-efficiency antibacterial agent comprises the following steps:
firstly, modifying an inorganic porous substrate;
putting the inorganic porous base material into the mixed solvent according to the solid-liquid ratio of 0.06 g/mL; adding a silane coupling agent with the mass of 8% of that of the inorganic porous base material into the mixed solvent under the condition of ultrasonic dispersion; dispersing for 30min by ultrasonic; then reacting for 3 hours under the condition of stirring; after the reaction is finished, sequentially filtering, washing and drying the obtained product; the obtained solid powder is stored for standby;
secondly, preparing a high-efficiency antibacterial agent;
adding the solid powder into an appropriate amount of ethanol according to the solid-liquid ratio of 0.08g/mL, and then adding 2, 6-dimethyl-2, 6-octadienal with the mass of 10% of the solid powder into the ethanol under the stirring condition; and stirring and reacting for 5 hours at the temperature of 30 ℃; after the reaction is finished, the solid powder is sequentially filtered, washed and dried, and the finally obtained solid powder is the finished product of the high-efficiency antibacterial agent.
The preparation method of the inorganic porous substrate comprises the following steps:
weighing a proper amount of tetrabutyl titanate, dripping the tetrabutyl titanate into ethanol with the volume 4 times that of the ethanol, dispersing uniformly by ultrasonic, slowly dripping the obtained mixed component into deionized water with the volume 20 times that of the tetrabutyl titanate, mixing and stirring for 30min to fully hydrolyze the tetrabutyl titanate;
ii, after the tetrabutyl titanate is completely hydrolyzed, washing the obtained mixed solution with ethanol, transferring the washed mixed solution into reaction equipment, adding a proper amount of ethanol to enable the volume of the mixed solution to be 65% of that of the reaction kettle, then adding ammonium bicarbonate with the dosage of 2% of deionized water into the reaction kettle, mixing and stirring uniformly, setting the temperature of the reaction kettle to be 170 ℃, and preserving the heat at the temperature for reaction for 40 hours;
iii, after the reaction is finished, naturally cooling the generated liquid in the reaction kettle to room temperature; then washing the generated solution with deionized water and ethanol for 2 times respectively; and then, placing the obtained solid substance in a drying box for drying treatment, wherein the obtained solid substance is the finished product of the inorganic porous base material.
The mixed solvent consists of 40 percent of ethanol aqueous solution, 8 percent of dodecyl trimethyl ammonium chloride, 15 percent of 2-hydroxy-4-methoxy benzophenone-5-sodium sulfonate and 2.5 percent of surfactant by mass.
The surfactant is octyl phenol polyethenoxy ether.
The silane coupling agent is 3-aminopropyl triethoxy silane.
The average grain diameter of the prepared inorganic porous base material is 150nm, and the pore diameter of the surface micropores is 4 nm.
The preparation method of the silver-carrying antibacterial agent comprises the following steps: mixing and stirring shell powder with the particle size of 20nm and distilled water with the mass of 8 times of that of the shell powder uniformly to form turbid suspension electrolyte; then, electrolyzing the silver serving as an anode in electrolyte to dissolve and separate out silver ions from the anode silver, and sequentially filtering, separating and drying the silver ions after the electrolysis is finished; then carrying out heat treatment on the obtained solid powder for 3h at the temperature of 350 ℃ in the nitrogen atmosphere; and naturally cooling the silver oxide and the silver hydroxide adsorbed on the surface of the powder material to room temperature to obtain solid powder, namely the finished product of the silver-loaded antibacterial agent.
The anode current density in the electrolytic process is 50A/m2The electrolysis time was set to 60 min.
The preparation method of the antibacterial bath ball comprises the following steps:
i, accurately weighing all the raw materials, and then mixing and stirring low-density polyethylene, low-density polyethylene antibacterial master batches and PE toner uniformly at a rotating speed of 180r/min to obtain a mixed material;
II, melting and blending the mixed material obtained in the step I, and extruding and molding the melted and blended mixed material at the temperature of 220 ℃ to obtain a reticular semi-finished product;
III, cooling, drawing, draining, drawing again and rolling the obtained net-shaped semi-finished product; and then sequentially slitting and embroidering the stretched semi-finished product to obtain the finished product of the antibacterial bath ball.
Example 2
The main difference between this example and example 1 is that the specific mixture ratio of each raw material is different, specifically: the antibacterial bath ball is prepared from the following components in percentage by weight of 94: 5: 0.09 parts of low-density polyethylene, low-density polyethylene antibacterial master batch and PE toner; the low-density polyethylene antibacterial master batch is prepared from the following raw materials in parts by weight: 95 portions of low-density high-pressure polyethylene, 3.2 portions of high-efficiency antibacterial agent, 3.0 portions of nano zinc oxide and 4.0 portions of silver-carrying antibacterial agent.
The preparation method of the high-efficiency antibacterial agent comprises the following steps:
firstly, modifying an inorganic porous substrate;
putting the inorganic porous base material into the mixed solvent according to the solid-liquid ratio of 0.08 g/mL; under the condition of ultrasonic dispersion, adding a silane coupling agent with the mass of 12% of that of the inorganic porous base material into the mixed solvent; dispersing for 35min by ultrasonic; then reacting for 4 hours under the condition of stirring; after the reaction is finished, sequentially filtering, washing and drying the obtained product; the obtained solid powder is stored for standby;
secondly, preparing a high-efficiency antibacterial agent;
adding the solid powder into an appropriate amount of ethanol according to the solid-liquid ratio of 0.12g/mL, and then adding 2, 6-dimethyl-2, 6-octadienal with the mass of 15% of the solid powder into the ethanol under the stirring condition; and stirring and reacting for 6h at the temperature of 40 ℃; after the reaction is finished, the solid powder is sequentially filtered, washed and dried, and the finally obtained solid powder is the finished product of the high-efficiency antibacterial agent.
The preparation method of the inorganic porous substrate comprises the following steps:
weighing a proper amount of tetrabutyl titanate, dripping the tetrabutyl titanate into ethanol with the volume 5 times that of the ethanol, dispersing uniformly by ultrasonic, slowly dripping the obtained mixed component into deionized water with the volume 25 times that of the tetrabutyl titanate, mixing and stirring for 35min to fully hydrolyze the tetrabutyl titanate;
ii, after the tetrabutyl titanate is completely hydrolyzed, washing the obtained mixed solution with ethanol, transferring the washed mixed solution into reaction equipment, adding a proper amount of ethanol to enable the volume of the mixed solution to be 70% of that of the reaction kettle, then adding ammonium bicarbonate with the use amount of 2.5% of deionized water into the reaction kettle, mixing and stirring uniformly, setting the temperature of the reaction kettle to be 180 ℃, and preserving the temperature at the temperature for reaction for 45 hours;
iii, after the reaction is finished, naturally cooling the generated liquid in the reaction kettle to room temperature; then washing the generated solution with deionized water and ethanol for 2 times respectively; and then, placing the obtained solid substance in a drying box for drying treatment, wherein the obtained solid substance is the finished product of the inorganic porous base material.
The mixed solvent consists of 45 percent of ethanol aqueous solution, 10 percent of dodecyl trimethyl ammonium chloride, 18 percent of 2-hydroxy-4-methoxy benzophenone-5-sodium sulfonate and 3.0 percent of surfactant.
The surfactant is nonylphenol polyoxyethylene ether.
The silane coupling agent is 3-aminopropyl trimethoxy silane.
The average grain diameter of the prepared inorganic porous base material is 160nm, and the pore diameter of the surface micropores is 5 nm.
The preparation method of the silver-carrying antibacterial agent comprises the following steps: mixing and stirring shell powder with the particle size of 35nm and distilled water with the mass of 10 times of that of the shell powder uniformly to form turbid suspension electrolyte; then, electrolyzing the silver serving as an anode in electrolyte to dissolve and separate out silver ions from the anode silver, and sequentially filtering, separating and drying the silver ions after the electrolysis is finished; then carrying out heat treatment on the obtained solid powder for 8 hours at the temperature of 500 ℃ in the nitrogen atmosphere; and naturally cooling the silver oxide and the silver hydroxide adsorbed on the surface of the powder material to room temperature to obtain solid powder, namely the finished product of the silver-loaded antibacterial agent.
The anode current density in the electrolytic process is 5000A/m2The electrolysis time was set to 30 min.
Example 3
The main difference between this example and example 1 is that the specific mixture ratio of each raw material is different, specifically: the antibacterial bath ball is prepared from the following components in percentage by weight of 95: 4: 0.1 of low-density polyethylene, low-density polyethylene antibacterial master batch and PE toner; the low-density polyethylene antibacterial master batch is prepared from the following raw materials in parts by weight: 97 portions of low-density high-pressure polyethylene, 3.6 portions of high-efficiency antibacterial agent, 4.0 portions of nano zinc oxide and 4.5 portions of silver-carrying antibacterial agent.
The preparation method of the high-efficiency antibacterial agent comprises the following steps:
firstly, modifying an inorganic porous substrate;
putting the inorganic porous base material into the mixed solvent according to the solid-liquid ratio of 0.1 g/mL; under the condition of ultrasonic dispersion, adding a silane coupling agent with the mass of 15% of that of the inorganic porous base material into the mixed solvent; dispersing for 40min by ultrasonic; then reacting for 5 hours under the condition of stirring; after the reaction is finished, sequentially filtering, washing and drying the obtained product; the obtained solid powder is stored for standby;
secondly, preparing a high-efficiency antibacterial agent;
adding the solid powder into an appropriate amount of ethanol according to the solid-liquid ratio of 0.15g/mL, and then adding 2, 6-dimethyl-2, 6-octadienal with the mass of 20% of the solid powder into the ethanol under the stirring condition; and the mixture is stirred and reacted for 8 hours at the temperature of 50 ℃; after the reaction is finished, the solid powder is sequentially filtered, washed and dried, and the finally obtained solid powder is the finished product of the high-efficiency antibacterial agent.
The preparation method of the inorganic porous substrate comprises the following steps:
weighing a proper amount of tetrabutyl titanate, dripping the tetrabutyl titanate into ethanol with the volume 6 times that of the ethanol, dispersing uniformly by ultrasonic, slowly dripping the obtained mixed component into deionized water with the volume 30 times that of the tetrabutyl titanate, mixing and stirring for 40min to fully hydrolyze the tetrabutyl titanate;
ii, after the tetrabutyl titanate is completely hydrolyzed, washing the obtained mixed solution with ethanol, transferring the washed mixed solution into reaction equipment, adding a proper amount of ethanol to enable the volume of the mixed solution to account for 75% of that of the reaction kettle, then adding ammonium bicarbonate with the use amount of 3% of deionized water into the reaction kettle, mixing and stirring uniformly, setting the temperature of the reaction kettle to 190 ℃, and preserving the heat at the temperature for reaction for 50 hours;
iii, after the reaction is finished, naturally cooling the generated liquid in the reaction kettle to room temperature; then, the generated solution is washed for 3 times by deionized water and ethanol respectively; and then, placing the obtained solid substance in a drying box for drying treatment, wherein the obtained solid substance is the finished product of the inorganic porous base material.
The mixed solvent consists of 60 percent ethanol water solution, 15 percent of dodecyl trimethyl ammonium chloride, 20 percent of 2-hydroxy-4-methoxy benzophenone-5-sodium sulfonate and 3.8 percent of surfactant by mass.
The surfactant is octyl phenol polyethenoxy ether.
The silane coupling agent is 3-aminopropyl triethoxy silane.
The average grain diameter of the prepared inorganic porous base material is 165nm, and the pore diameter of the surface micropores is 6 nm.
The preparation method of the silver-carrying antibacterial agent comprises the following steps: mixing shell powder with the particle size of 50nm and distilled water with the mass of 12 times of the shell powder, and uniformly stirring to form turbid suspension electrolyte; then, electrolyzing the silver serving as an anode in electrolyte to dissolve and separate out silver ions from the anode silver, and sequentially filtering, separating and drying the silver ions after the electrolysis is finished; then carrying out heat treatment on the obtained solid powder for 13h at the temperature of 650 ℃ in a nitrogen atmosphere; and naturally cooling the silver oxide and the silver hydroxide adsorbed on the surface of the powder material to room temperature to obtain solid powder, namely the finished product of the silver-loaded antibacterial agent.
The anode current density in the electrolytic process is 10000A/m2The electrolysis time was set to 10 min.
Comparative example 1: the main differences between this embodiment and embodiment 1 are: replacing the high-efficiency antibacterial agent with an equivalent amount of inorganic porous base material with similar particle size grades;
comparative example 2: the main differences between this embodiment and embodiment 1 are: the raw materials do not contain silver-carrying antibacterial agents;
performance testing
The antibacterial bath balls prepared by examples 1 to 3 and comparative examples 1 to 2 were respectively referred to as experimental examples 1 to 3 and comparative examples 1 to 2; and the antibacterial performance, the anti-aging performance and other related performances of the groups of antibacterial bath balls are respectively detected; the data obtained are reported in tables 1 and 2:
1. and (3) testing the breaking performance: determination of tensile Properties of plastics according to GB/T1040.3-2006 part 3: test conditions for films and sheets tensile strength (N); then, carrying out ultraviolet aging test on each group of samples to be tested respectively, and then testing the tensile strength of the samples to be tested; wherein, the ultraviolet aging conditions are as follows: ultraviolet irradiation at 60 deg.C for 8 hr; the illumination intensity is 0.89w/m2(ii) a Lamp type, UVA-340;
2. fading test: scrubbing for 40 times by using a daily washing article, and observing whether the fading phenomenon exists or not;
3. safety tests: carrying out safety and health requirement detection on the bath ball according to GB 18401-2010 national textile product basic safety standard, and observing whether adverse reactions exist;
4. and (3) antibacterial testing: detecting the antibacterial performance of the bath ball according to GB/T31420-2015 test method for the antibacterial performance of the plastic surface;
TABLE 1
TABLE 2
As can be seen from the relevant data in tables 1 and 2, the antibacterial bath ball prepared by the invention not only has good antibacterial and bacteriostatic properties, but also has good anti-aging property, thereby effectively prolonging the service life of the antibacterial bath ball and ensuring the quality of the antibacterial bath ball. Meanwhile, the prepared bath ball also has the advantages of safety, no toxicity and difficult fading. Therefore, the bath ball product prepared by the invention has wider market prospect and is more suitable for popularization.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. An antibacterial bath ball, which is characterized in that: the antibacterial bath ball is prepared from the following components in parts by weight of 93-95: 4-6: 0.07-0.1 parts of low-density polyethylene, low-density polyethylene antibacterial master batch and PE toner; the low-density polyethylene antibacterial master batch is prepared from the following raw materials in parts by weight: 93-97 parts of low-density high-pressure polyethylene, 2.5-3.6 parts of high-efficiency antibacterial agent, 2.0-4.0 parts of nano zinc oxide and 3.2-4.5 parts of silver-carrying antibacterial agent.
2. The antibacterial bath ball as claimed in claim 1, wherein the preparation method of the high-efficiency antibacterial agent comprises the following steps:
firstly, modifying an inorganic porous substrate;
putting the inorganic porous base material into the mixed solvent according to the solid-liquid ratio of 0.06-0.1 g/mL; adding a silane coupling agent with the mass of 8-15% of the inorganic porous base material into the mixed solvent under the condition of ultrasonic dispersion; dispersing for 30-40 min by ultrasonic; then reacting for 3-5 h under the stirring condition; after the reaction is finished, sequentially filtering, washing and drying the obtained product; the obtained solid powder is stored for standby;
secondly, preparing a high-efficiency antibacterial agent;
adding solid powder into an appropriate amount of ethanol according to a solid-liquid ratio of 0.08-0.15 g/mL, and then adding 2, 6-dimethyl-2, 6-octadienal with the mass of 10-20% of the solid powder into the ethanol under the stirring condition; and stirring and reacting for 5-8 h at the temperature of 30-50 ℃; after the reaction is finished, the solid powder is sequentially filtered, washed and dried, and the finally obtained solid powder is the finished product of the high-efficiency antibacterial agent.
3. The antibacterial bath ball as claimed in claim 2, wherein the preparation method of the inorganic porous substrate comprises the following steps:
weighing a proper amount of tetrabutyl titanate, dripping the tetrabutyl titanate into ethanol with the volume 4-6 times of that of the ethanol, dispersing uniformly by using ultrasonic waves, slowly dripping the obtained mixed component into deionized water with the volume 20-30 times of that of the tetrabutyl titanate, mixing and stirring for 30-40 min, and fully hydrolyzing the tetrabutyl titanate;
ii, after the tetrabutyl titanate is completely hydrolyzed, washing the obtained mixed solution with ethanol, transferring the washed mixed solution into reaction equipment, adding a proper amount of ethanol to enable the volume of the mixed solution to be 65-75% of that of the reaction kettle, then adding ammonium bicarbonate with the use amount of 2-3% of deionized water into the reaction kettle, mixing and stirring uniformly, setting the temperature of the reaction kettle to be 170-190 ℃, and carrying out heat preservation reaction for 40-50 hours at the temperature;
iii, after the reaction is finished, naturally cooling the generated liquid in the reaction kettle to room temperature; then, washing the generated solution for 2-3 times by using deionized water and ethanol respectively; and then, placing the obtained solid substance in a drying box for drying treatment, wherein the obtained solid substance is the finished product of the inorganic porous base material.
4. The antibacterial bath ball as claimed in claim 2, wherein: the mixed solvent consists of 40-60% of ethanol aqueous solution, 8-15% of dodecyl trimethyl ammonium chloride, 15-20% of sodium 2-hydroxy-4-methoxybenzophenone-5-sulfonate and 2.5-3.8% of surfactant.
5. The antibacterial bath ball as claimed in claim 4, wherein: the surfactant is any one of octyl phenol polyoxyethylene ether and nonyl phenol polyoxyethylene ether.
6. The antibacterial bath ball as claimed in claim 2, wherein: the silane coupling agent is any one of 3-aminopropyltriethoxysilane and 3-aminopropyltrimethoxysilane.
7. An antimicrobial bath ball as defined in claim 3, wherein: the average particle size of the prepared inorganic porous base material is 150-165 nm, and the pore diameter of the surface micropores is 4-6 nm.
8. The antibacterial bath ball according to claim 1, wherein the preparation method of the silver-loaded antibacterial agent comprises the following steps: mixing and stirring shell powder with the particle size of 20-50 nm and distilled water with the mass of 8-12 times of that of the shell powder uniformly to form turbid suspension electrolyte; then, electrolyzing the silver serving as an anode in electrolyte to dissolve and separate out silver ions from the anode silver, and sequentially filtering, separating and drying the silver ions after the electrolysis is finished; then carrying out heat treatment on the obtained solid powder for 3-13 h at the temperature of 350-650 ℃ in a nitrogen atmosphere; and naturally cooling the silver oxide and the silver hydroxide adsorbed on the surface of the powder material to room temperature to obtain solid powder, namely the finished product of the silver-loaded antibacterial agent.
9. The antibacterial bath ball as claimed in claim 8, wherein: the anode current density is 50-10000A/m 2 in the electrolysis process, and the electrolysis time is set to be 10-60 min.
10. A method for preparing the antibacterial bath ball according to any one of claims 1 to 9, characterized by comprising the steps of:
i, accurately weighing all the raw materials, and then mixing and stirring low-density polyethylene, low-density polyethylene antibacterial master batches and PE toner uniformly at a rotating speed of 180-230 r/min to obtain a mixed material;
II, melting and blending the mixed material obtained in the step I, and extruding and molding the melted and blended mixed material at the temperature of 220-250 ℃ to obtain a reticular semi-finished product;
III, cooling, drawing, draining, drawing again and rolling the obtained net-shaped semi-finished product; and then sequentially slitting and embroidering the stretched semi-finished product to obtain the finished product of the antibacterial bath ball.
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