CN110731610A - antibacterial toothbrush and preparation method thereof - Google Patents

antibacterial toothbrush and preparation method thereof Download PDF

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Publication number
CN110731610A
CN110731610A CN201911000359.8A CN201911000359A CN110731610A CN 110731610 A CN110731610 A CN 110731610A CN 201911000359 A CN201911000359 A CN 201911000359A CN 110731610 A CN110731610 A CN 110731610A
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Prior art keywords
antibacterial
toothbrush
antibacterial agent
mixture
agent
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CN201911000359.8A
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CN110731610B (en
Inventor
韩国平
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SANXIAN GROUP CO Ltd JIANGSU
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SANXIAN GROUP CO Ltd JIANGSU
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    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/006—Antimicrobial, disinfectant bristles, handle, bristle-carrier or packaging
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B17/00—Accessories for brushes
    • A46B17/02—Devices for holding brushes in use
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0207—Bristles characterised by the choice of material, e.g. metal
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0269—Monofilament bristles
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2248—Oxides; Hydroxides of metals of copper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)

Abstract

The invention belongs to the field of toothbrush manufacturing, and particularly relates to antibacterial toothbrushes and a preparation method thereof, wherein the antibacterial toothbrush comprises a toothbrush handle and a toothbrush head, a rubber sleeve is sleeved on the toothbrush handle, and brush wires are planted on the toothbrush head, the antibacterial toothbrush is characterized in that the toothbrush handle, the rubber sleeve and the brush wires all contain antibacterial agents, wherein the antibacterial agent in the toothbrush handle is an antibacterial agent A, the antibacterial agent in the rubber sleeve is an antibacterial agent B, the antibacterial agent in the brush wires is an antibacterial agent C, the toothbrush handle contains 93-95% of mixed plastic, 3-4% of color master batch and 2-3% of antibacterial agent A, the rubber sleeve contains 93-95% of rubber material, 3-4% of color master batch and 2-3% of antibacterial agent B, and the brush wires comprise 96-97.5% of main materials, 0.5-1% of coupling agents and 2-3% of antibacterial agents C.

Description

antibacterial toothbrush and preparation method thereof
Technical Field
The invention belongs to the field of toothbrush manufacturing, and particularly relates to antibacterial toothbrushes and a preparation method thereof.
Background
The toothbrush is brushes for cleaning teeth, toothpaste is added on the toothbrush to clean the teeth when brushes the teeth, the toothbrush is a necessary article for daily life of people, and the toothbrush is a daily article, and the quality of the toothbrush is related to the oral hygiene of a user and even the body health.
The oral cavity and the teeth are of main people with bacteria invading human bodies, the toothbrush contacts the teeth and corners of the oral cavity every day, a lot of germs are hidden in gaps of the toothbrush inevitably, toothpaste is often left on bristles of the toothbrush more or less, food residues and bacteria in the oral cavity can enter the toothbrush along with the teeth, the toothbrush is placed in a wet toilet for a long time, the toothpaste contains saccharose, good conditions are provided for growth and reproduction of the bacteria, but the existing toothbrush bristles only can play a cleaning role and cannot play an antibacterial role in the oral cavity.
At present, a plurality of matched designs aiming at the toothbrush are arranged on the market, and the current matched disinfection component is designed, so that the electric toothbrush is directly exposed in the air like or placed in a brush groove matched with the electric toothbrush to easily breed a large amount of bacteria when not used, and is not beneficial to the oral health.
In order to improve the antibacterial performance of toothbrushes, there are many researches in the prior art, some of which change the working mode of toothbrushes, change manual toothbrushes into electric-driven rotary and high-frequency sound wave vibration toothbrushes, and some of which change the materials of toothbrushes, and improve the antibacterial performance of toothbrushes by improving the materials of toothbrushes.
Chinese patent application CN 108359236 a discloses antibacterial toothbrushes and a manufacturing method thereof,
the toothbrush is characterized in that a toothbrush handle, a toothbrush head and toothbrush bristles are integrally molded by bodies through injection, gaps and holes left in a plug-in type manufacturing process are avoided, and sanitary dead corners which are difficult to clean are greatly reduced.
Therefore, the improvement of toothbrush should increase its antibacterial performance, and should consider the problems of production cost and production efficiency.
Disclosure of Invention
In order to overcome the technical problems, the invention provides antibacterial toothbrushes which are simple in preparation method and good in antibacterial effect.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows:
antibacterial toothbrush, comprising a brush handle and a brush head, wherein the brush handle is sleeved with a rubber sleeve, and brush filaments are planted on the brush head;
preferably, the brush handle, the rubber sleeve and the brush filaments all contain an antibacterial agent, wherein the antibacterial agent in the brush handle is an antibacterial agent A; the antibacterial agent in the rubber sleeve is an antibacterial agent B; the antibacterial agent in the brush filaments is an antibacterial agent C;
preferably, the brush handle comprises 93-95% of mixed plastic, 3-4% of color master batch, 2-3% of antibacterial agent A;
preferably, the mixed plastic is prepared from a mixture of polypropylene, polycarbonate and polyurethane;
preferably, the mass ratio of the polypropylene to the polycarbonate to the polyurethane is 3-5:1-2: 1;
preferably, the mass ratio of the polypropylene to the polycarbonate to the polyurethane is 4:2: 1;
preferably, the antibacterial agent A is a mixture of zinc oxide, copper oxide and ammonium dihydrogen phosphate;
preferably, the mass ratio of the zinc oxide to the copper oxide to the ammonium dihydrogen phosphate is 2-3:1-2: 1;
preferably, the rubber sleeve comprises 93-95% of rubber compound, 3-4% of color master batch, and 2-3% of antibacterial agent B;
preferably, the rubber material is silica gel, wherein a curing agent used by the silica gel is a water-based curing agent;
preferably, the antibacterial agent B is a mixture of potassium sorbate, calcium propionate and sodium benzoate;
preferably, the mixing mass ratio of the potassium sorbate, the calcium propionate and the sodium benzoate is 1-3:1-2: 1-2;
preferably, the brush filaments comprise 96-97.5% of main material, 0.5-1% of coupling agent and 2-3% of antibacterial agent C;
preferably, the main material of the brush filaments is a mixture of plant fiber, cellulose and polyethylene terephthalate;
preferably, the mass ratio of the plant fiber to the mixture of the cellulose and the polyethylene terephthalate is 4-6:2-4: 1-2;
preferably, the antibacterial agent C is prepared from extracts of tea leaves, common andrographis herbs, horseradish and garden balsam stems;
preferably, the tea, the common andrographis herb, the horseradish and the garden balsam stem are respectively in parts by weight: 1-5 parts of tea, 2-7 parts of common andrographis herb, 5-10 parts of horseradish and 6-9 parts of garden balsam stem;
preferably, the preparation method of the antibacterial agent C comprises the following steps;
(1) pulverizing folium Camelliae sinensis, herba Andrographitis, and herba horseradish, mixing, adding sodium carbonate, adding ethanol, and heating for extraction to obtain extractive solution 1 and residue;
(2) adding ethanol into the residue, extracting for 1-2 hr, adding citric acid, heating, and extracting for 1-2 hr to obtain extractive solution 2;
(3) mixing the extract 1 and the extract 2, adding sorbitol and VE, and concentrating to obtain mixed extract of folium Camelliae sinensis, herba Andrographitis and horseradish;
(4) adding caulis et folium Gaultheriae Yunnanensis into methanol, ultrasonic extracting, extracting with ethyl acetate, concentrating, dissolving in methanol, and recrystallizing to obtain herba Speranskiae Tuberculatae extract;
(5) mixing the mixed extract of folium Camelliae sinensis, herba Andrographitis and horseradish with the extract of herba Speranskiae Tuberculatae, and decolorizing to obtain antibacterial agent C.
Preferably, in the step (1), the addition amount of the sodium carbonate is 0.05-0.2% of the total mass of the tea, the common andrographis herb and the horseradish;
preferably, the amount of ethanol used in step (1) is 3-5 times of the total mass of the tea leaves, the common andrographis herbs and the horseradish trees;
preferably, the amount of ethanol used in the step (2) is 2-4 times of the mass of the residue;
preferably, in the step (2), the addition amount of the citric acid is 0.01-0.05% of the mass of the residue;
preferably, in the step (3), the sorbitol is used in an amount of 0.5-1% of the mass of the residue;
preferably, in the step (3), the amount of VE is 0.3-0.6% of the mass of the residue;
preferably, in the step (4), the methanol is 3-5 times of the mass of the garden balsam stem;
preferably, in the step (4), the ultrasound is 80-100Hz, and the power is 200-600W;
preferably, the preparation method of the brush filaments comprises the following steps:
(1) mixing plant fiber, cellulose and polyethylene glycol terephthalate to obtain a mixture 1;
(2) adding the antibacterial agent C and the silane coupling agent into a mixture of ethanol and water to obtain a mixture 2;
(3) adding the mixture 2 into the mixture 1, stirring and concentrating, extruding solid particles through a screw machine, and drying the solid particles;
(4) and (3) putting the dried solid particles into a melt spinning machine for spinning, and finally cooling and forming to prepare the antibacterial bristles.
Preferably, the mixture of ethanol and water in the step (2) is 30-50% of ethanol water solution, and the dosage of the ethanol water solution is 4-6 times of the total mass of the antibacterial agent and the coupling agent;
preferably, the stirring concentration in the step (3) is performed at a low temperature of 5-15 ℃ and ensures uniform coating of the mixture 1 on the mixture 2;
preferably, the drying temperature in the step (3) is 60-80 ℃, and the time is 1-2 h;
preferably, the temperature of the melt spinning in the step (4) is 200-250 ℃;
preferably, the cooling in step (4) is carried out at-5-0 ℃ for 1-2 h;
another objective of the invention is to provide a preparation method of the antibacterial toothbrush, which comprises the following preparation steps:
(1) injecting polypropylene, polycarbonate and polyurethane into a mold, adding color master and an antibacterial agent A, and performing injection molding to form a brush handle and a brush head;
(2) dissolving potassium sorbate, calcium propionate and sodium benzoate in water, adding a water-based curing agent, adding color master into silica gel, stirring and dispersing, and curing the silica gel with the water-based curing agent to form a rubber sleeve;
(3) and then the toothbrush bristles are fixed on the brush head.
Preferably, the particle size mesh number of the antibacterial agent A is 5000-;
description of the drawings: in order to distinguish the antibacterial agents used in each part, the antibacterial agents used in the brush handle, the rubber sleeve and the brush wire are respectively named as a bactericide A, a bactericide B and a bactericide C.
Compared with the prior art, the invention has the technical advantages that:
(1) the particle size of the antibacterial agent A is smaller, and the formed brush handle has uniform color;
(2) the antibacterial agents B, C are all antibacterial agents with good dispersibility, and can be uniformly mixed with silica gel or main materials, and the surface color of the formed toothbrush is ;
(3) the antibacterial agent C is prepared by extracting components such as tea leaves, common andrographis herbs, horseradish, garden balsam stems and the like, and the components are subjected to synergistic action after extraction of effective components, so that the antibacterial agent C has a good antibacterial effect;
(4) in the extraction process of the antibacterial agent C, citric acid, sorbitol, VE and other components are used, and can effectively promote the extraction of effective components in the raw materials for preparing the antibacterial agent C, so that the antibacterial effect of the antibacterial agent C is further enhanced ;
(5) the preparation method of the brush filaments is beneficial to improving the firmness of the brush filaments, enables the brush filaments not to be easily infected with bacteria, and has good antibacterial activity;
(6) the toothbrush prepared by the invention has a good antibacterial effect.
Detailed Description
Example 1
The antibacterial toothbrush comprises a toothbrush handle and a toothbrush head, wherein a rubber sleeve is sleeved on the toothbrush handle, and brush filaments are planted on the toothbrush head;
the toothbrush handle of the toothbrush in the embodiment comprises 94% of mixed plastic, 3% of color master batch and 3% of antibacterial agent A;
wherein the mixed plastic is prepared from a mixture of polypropylene, polycarbonate and polyurethane in a mass ratio of 4:2: 1;
the antibacterial agent A is a mixture of zinc oxide, copper oxide and ammonium dihydrogen phosphate in a mass ratio of 3:2: 1;
the rubber sleeve of the toothbrush comprises 94% of rubber material, 4% of color master batch and 2% of antibacterial agent B;
wherein the sizing material is silica gel; the antibacterial agent B is a mixture of potassium sorbate, calcium propionate and sodium benzoate in a mass ratio of 2:1: 1;
the brush filaments of the toothbrush comprise 97 percent of main material, 1 percent of coupling agent and 2 percent of antibacterial agent C;
wherein the brush filaments are made of a mixture of plant fibers, cellulose and polyethylene glycol terephthalate in a mass ratio of 5:2: 2;
the antibacterial agent C is prepared from extracts of folium Camelliae sinensis, herba Andrographitis, herba Solani Nigri, and caulis et folium Gaultheriae Yunnanensis;
according to the parts by weight, the tea, the common andrographis herb, the horseradish and the garden balsam stem are respectively as follows: 3 parts of tea, 5 parts of common andrographis herb, 7 parts of horseradish and 8 parts of garden balsam stem;
the preparation method of the antibacterial agent C comprises the following steps;
(1) pulverizing folium Camelliae sinensis, herba Andrographitis, and horseradish, mixing, adding sodium carbonate 0.1% of total weight of folium Camelliae sinensis, herba Andrographitis, and horseradish, adding 4 times of ethanol, heating to 50 deg.C, extracting to obtain extractive solution 1 and residue;
(2) adding 3 times of ethanol into the residue, extracting for 1h, adding citric acid 0.03% of the residue, heating to 50 deg.C, and extracting for 1h to obtain extractive solution 2;
(3) mixing the extract 1 and the extract 2, adding 0.6% of sorbitol and 0.5% of VE into the residue by mass, and concentrating to obtain mixed extract of tea, common andrographis herb and horseradish;
(4) adding caulis et folium Gaultheriae Yunnanensis into 4 times of methanol, ultrasonic extracting at 100Hz and power of 200W, extracting with ethyl acetate, concentrating, dissolving in methanol, and recrystallizing to obtain herba Speranskiae Tuberculatae extract;
(5) mixing the mixed extract of folium Camelliae sinensis, herba Andrographitis and horseradish with the extract of herba Speranskiae Tuberculatae, and decolorizing to obtain antibacterial agent C.
The preparation method of the brush wire in the embodiment comprises the following steps:
(1) mixing plant fiber, cellulose and polyethylene glycol terephthalate to obtain a mixture 1;
(2) adding the antibacterial agent C and the silane coupling agent into 40% ethanol aqueous solution with the concentration 5 times of the total mass of the antibacterial agent C and the silane coupling agent to obtain a mixture 2;
(3) adding the mixture 2 into the mixture 1, stirring and concentrating at 10 ℃, extruding solid particles through a screw machine, and drying the solid particles for 1h at 70 ℃;
(4) and (3) putting the dried solid particles into a melt spinning machine for spinning at 200 ℃, and finally cooling and forming at-2 ℃ for 1h to prepare the antibacterial bristles.
The preparation method of the antibacterial toothbrush in this embodiment includes the following preparation steps:
(1) injecting polypropylene, polycarbonate and polyurethane into a mold, adding color master and an antibacterial agent A, and performing injection molding to form a brush handle and a brush head; wherein the grain size and the mesh number of the antibacterial agent A are 6000 meshes;
(2) dissolving potassium sorbate, calcium propionate and sodium benzoate in water, adding a water-based curing agent, adding color master into silica gel, stirring and dispersing, and curing the silica gel with the water-based curing agent to form a rubber sleeve;
(3) and then the toothbrush bristles are fixed on the brush head.
Example 2
The antibacterial toothbrush comprises a toothbrush handle and a toothbrush head, wherein a rubber sleeve is sleeved on the toothbrush handle, and brush filaments are planted on the toothbrush head;
the toothbrush handle of the toothbrush in the embodiment comprises 93% of mixed plastic, 4% of color master batch and 3% of antibacterial agent A;
wherein the mixed plastic is prepared from a mixture of polypropylene, polycarbonate and polyurethane in a mass ratio of 3:1: 1;
the antibacterial agent A is a mixture of zinc oxide, copper oxide and ammonium dihydrogen phosphate in a mass ratio of 2:1: 1;
the rubber sleeve of the toothbrush comprises 93% of rubber material, 4% of color master batch and 3% of antibacterial agent B;
wherein the sizing material is silica gel, and the curing agent used by the silica gel is a water-based curing agent;
the antibacterial agent B is a mixture of potassium sorbate, calcium propionate and sodium benzoate in a mass ratio of 1:1: 1;
the filaments of the toothbrush comprise 96% of main material, 1% of coupling agent and 3% of antibacterial agent C;
wherein the brush filaments are made of a mixture of plant fibers, cellulose and polyethylene glycol terephthalate in a mass ratio of 4:2: 1;
the antibacterial agent C is prepared from extracts of folium Camelliae sinensis, herba Andrographitis, herba Solani Nigri, and caulis et folium Gaultheriae Yunnanensis;
according to the parts by weight, the tea, the common andrographis herb, the horseradish and the garden balsam stem are respectively as follows: 1 part of tea, 2 parts of common andrographis herb, 5 parts of horseradish and 6 parts of garden balsam stem;
the preparation method of the antibacterial agent C comprises the following steps;
(1) pulverizing folium Camelliae sinensis, herba Andrographitis, and horseradish, mixing, adding sodium carbonate 0.05% of total weight of folium Camelliae sinensis, herba Andrographitis, and horseradish, adding 3 times of ethanol, heating to 50 deg.C, extracting to obtain extractive solution 1 and residue;
(2) adding 2 times of ethanol into the residue, extracting for 1h, adding citric acid 0.01% of the residue, heating to 50 deg.C, and extracting for 1h to obtain extractive solution 2;
(3) mixing the extract 1 and the extract 2, adding 0.5% of sorbitol and 0.3% of VE into the residue by mass, and concentrating to obtain mixed extract of tea, common andrographis herb and horseradish;
(4) adding caulis et folium Gaultheriae Yunnanensis into 3 times of methanol, ultrasonic extracting at 80Hz and power of 200W, extracting with ethyl acetate, concentrating, dissolving in methanol, and recrystallizing to obtain herba Speranskiae Tuberculatae extract;
(5) mixing the mixed extract of folium Camelliae sinensis, herba Andrographitis and horseradish with the extract of herba Speranskiae Tuberculatae, and decolorizing to obtain antibacterial agent C.
The preparation method of the brush wire in the embodiment comprises the following steps:
(1) mixing plant fiber, cellulose and polyethylene glycol terephthalate to obtain a mixture 1;
(2) adding the antibacterial agent C and the silane coupling agent into 30% ethanol aqueous solution with the concentration 4 times of the total mass of the antibacterial agent C and the silane coupling agent to obtain a mixture 2;
(3) adding the mixture 2 into the mixture 1, stirring and concentrating at 5 ℃, extruding solid particles through a screw machine, and drying the solid particles at 60 ℃ for 12 hours;
(4) and (3) putting the dried solid particles into a melt spinning machine for spinning at 200 ℃, and finally cooling and forming at-5 ℃ for 1h to prepare the antibacterial bristles.
The preparation method of the antibacterial toothbrush in this embodiment includes the following preparation steps:
(1) injecting polypropylene, polycarbonate and polyurethane into a mold, adding color master and an antibacterial agent A, and performing injection molding to form a brush handle and a brush head; wherein the particle size and the mesh number of the antibacterial agent A are 5000 meshes;
(2) dissolving potassium sorbate, calcium propionate and sodium benzoate in water, adding a water-based curing agent, adding color master into silica gel, stirring and dispersing, and curing the silica gel with the water-based curing agent to form a rubber sleeve;
(3) and then the toothbrush bristles are fixed on the brush head.
Example 3
The antibacterial toothbrush comprises a toothbrush handle and a toothbrush head, wherein a rubber sleeve is sleeved on the toothbrush handle, and brush filaments are planted on the toothbrush head;
the toothbrush handle of the toothbrush in the embodiment comprises 95% of mixed plastic, 3% of color master batch and 2% of antibacterial agent A;
wherein the mixed plastic is prepared from a mixture of polypropylene, polycarbonate and polyurethane in a mass ratio of 5:2: 1;
the antibacterial agent A is a mixture of zinc oxide, copper oxide and ammonium dihydrogen phosphate in a mass ratio of 3:2: 1;
the rubber sleeve of the toothbrush comprises 95 percent of rubber material, 3 percent of color master batch and 2 percent of antibacterial agent B;
wherein the sizing material is silica gel, and the curing agent used by the silica gel is a water-based curing agent;
the antibacterial agent B is a mixture of potassium sorbate, calcium propionate and sodium benzoate in a mass ratio of 3:2: 2;
the brush filaments of the toothbrush comprise 97.5 percent of main material, 0.5 percent of coupling agent and 2 percent of antibacterial agent C;
wherein the brush filaments are made of a mixture of plant fibers, cellulose and polyethylene glycol terephthalate in a mass ratio of 5:4: 2;
the antibacterial agent C is prepared from extracts of folium Camelliae sinensis, herba Andrographitis, herba Solani Nigri, and caulis et folium Gaultheriae Yunnanensis;
according to the parts by weight, the tea, the common andrographis herb, the horseradish and the garden balsam stem are respectively as follows: 5 parts of tea, 7 parts of common andrographis herb, 10 parts of horseradish and 9 parts of garden balsam stem;
the preparation method of the antibacterial agent C comprises the following steps;
(1) pulverizing folium Camelliae sinensis, herba Andrographitis, and horseradish, mixing, adding sodium carbonate 0.2% of total weight of folium Camelliae sinensis, herba Andrographitis, and horseradish, adding 5 times of ethanol, heating to 50 deg.C, extracting to obtain extractive solution 1 and residue;
(2) adding 4 times of ethanol into the residue, extracting for 2h, adding citric acid 0.05% of the residue, heating to 50 deg.C, and extracting for 2h to obtain extractive solution 2;
(3) mixing the extracting solution 1 and the extracting solution 2, adding 1% of sorbitol and 0.6% of VE into the residue by mass, and concentrating to obtain a mixed extract of tea, common andrographis herb and horseradish;
(4) adding caulis et folium Gaultheriae Yunnanensis into 5 times of methanol, ultrasonic extracting at 100Hz and 600W, extracting with ethyl acetate, concentrating, dissolving in methanol, and recrystallizing to obtain herba Speranskiae Tuberculatae extract;
(5) mixing the mixed extract of folium Camelliae sinensis, herba Andrographitis and horseradish with the extract of herba Speranskiae Tuberculatae, and decolorizing to obtain antibacterial agent C.
The preparation method of the brush wire in the embodiment comprises the following steps:
(1) mixing plant fiber, cellulose and polyethylene glycol terephthalate to obtain a mixture 1;
(2) adding the antibacterial agent C and the silane coupling agent into 50% ethanol aqueous solution with the concentration 6 times of the total mass of the antibacterial agent C and the silane coupling agent to obtain a mixture 2;
(3) adding the mixture 2 into the mixture 1, stirring and concentrating at 15 ℃, extruding solid particles through a screw machine, and drying the solid particles for 2 hours at 80 ℃;
(4) and (3) putting the dried solid particles into a melt spinning machine for spinning at 250 ℃, and finally cooling and forming at 0 ℃ for 1-2h to prepare the antibacterial bristles.
The preparation method of the antibacterial toothbrush in this embodiment includes the following preparation steps:
(1) injecting polypropylene, polycarbonate and polyurethane into a mold, adding color master and an antibacterial agent A, and performing injection molding to form a brush handle and a brush head; wherein the particle size mesh number of the antibacterial agent A is 8000 meshes;
(2) dissolving potassium sorbate, calcium propionate and sodium benzoate in water, adding a water-based curing agent, adding color master into silica gel, stirring and dispersing, and curing the silica gel with the water-based curing agent to form a rubber sleeve;
(3) and then the toothbrush bristles are fixed on the brush head.
Comparative example 1
The difference compared to example 1 is only in the type of antimicrobial agent a.
The structure of the antibacterial toothbrush in the comparative example is the same as that of example 1;
the toothbrush handle of the toothbrush in the comparative example comprises 94% of mixed plastic, 3% of color master batch and 3% of antibacterial agent A;
wherein the mixed plastic is prepared from a mixture of polypropylene, polycarbonate and polyurethane in a mass ratio of 4:2: 1;
the antibacterial agent A is a mixture of zinc oxide and ammonium dihydrogen phosphate with the mass ratio of 3: 1;
the raw materials for preparing the rubber sleeve of the toothbrush are the same as those in the example 1;
the raw materials for preparing the filaments of the toothbrush are the same as those in example 1;
the preparation of the brush filaments described in this comparative example was the same as in example 1.
The procedure for making the antibacterial toothbrush described in this comparative example is the same as example 1.
Comparative example 2
The difference from example 1 is only in the type of the antibacterial agent B.
The antibacterial toothbrush comprises a brush handle and a brush head, wherein the brush handle is sleeved with a rubber sleeve, and brush filaments are planted on the brush head;
the toothbrush handle of this comparative example was made from the same materials as in example 1;
the rubber sleeve of the toothbrush comprises 94% of rubber material, 4% of color master batch and 2% of antibacterial agent B;
wherein the sizing material is silica gel; the antibacterial agent B is a mixture of calcium propionate and sodium benzoate with the mass ratio of 1: 1;
the raw materials for preparing the filaments of the toothbrush are the same as those in example 1;
the preparation of the brush filaments described in this comparative example was the same as in example 1.
The procedure for making the antibacterial toothbrush described in this comparative example is the same as example 1.
Comparative example 3
The difference from example 1 is only in the kind of the antibacterial agent C.
The structure of the antibacterial toothbrush in the comparative example is the same as that of example 1;
the toothbrush handle of this comparative example was prepared as in example 1;
the raw materials for preparing the rubber sleeve of the toothbrush are the same as those in example 1;
the brush filaments of the toothbrush comprise 97 percent of main material, 1 percent of coupling agent and 2 percent of antibacterial agent C;
wherein the brush filaments are made of a mixture of plant fibers, cellulose and polyethylene glycol terephthalate in a mass ratio of 5:2: 2;
the antibacterial agent C is prepared from extracts of folium Camelliae sinensis, semen Benincasae, herba Solani Nigri, and caulis et folium Gaultheriae Yunnanensis;
according to the weight parts, the tea, the Chinese waxgourd seeds, the horseradish and the garden balsam stem are respectively as follows: 3 parts of tea, 5 parts of Chinese waxgourd seeds, 7 parts of horseradish and 8 parts of garden balsam stems;
the preparation method of the antibacterial agent C comprises the following steps;
(1) pulverizing folium Camelliae sinensis, semen Benincasae, and herba Horseradish, mixing, adding sodium carbonate 0.1% of total weight of folium Camelliae sinensis, semen Benincasae, and herba Horseradish, adding 4 times of ethanol, heating to 50 deg.C, extracting to obtain extractive solution 1 and residue;
(2) adding 3 times of ethanol into the residue, extracting for 1h, adding citric acid 0.03% of the residue, heating to 50 deg.C, and extracting for 1h to obtain extractive solution 2;
(3) mixing the extract 1 and the extract 2, adding 0.6% of sorbitol and 0.5% of VE into the residue by mass, and concentrating to obtain mixed extract of tea, semen Benincasae and horseradish;
(4) adding caulis et folium Gaultheriae Yunnanensis into 4 times of methanol, ultrasonic extracting at 100Hz and power of 200W, extracting with ethyl acetate, concentrating, dissolving in methanol, and recrystallizing to obtain herba Speranskiae Tuberculatae extract;
(5) mixing the mixed extract of folium Camelliae sinensis, semen Benincasae and horseradish with the extract of herba Speranskiae Tuberculatae, and decolorizing to obtain antibacterial agent C.
The preparation of the brush filaments described in this comparative example was the same as in example 1.
The procedure for making the antibacterial toothbrush described in this comparative example is the same as example 1.
Comparative example 4
The difference from example 1 is only in the kind of the antibacterial agent C.
The structure of the antibacterial toothbrush in the comparative example is the same as that of example 1;
the toothbrush handle of this comparative example was prepared as in example 1;
the raw materials for preparing the rubber sleeve of the toothbrush are the same as those in example 1;
the brush filaments of the toothbrush comprise 97 percent of main material, 1 percent of coupling agent and 2 percent of antibacterial agent C;
wherein the brush filaments are made of a mixture of plant fibers, cellulose and polyethylene glycol terephthalate in a mass ratio of 5:2: 2;
the antibacterial agent C is prepared from extracts of folium Camelliae sinensis, herba Andrographitis, herba Solani Nigri, herba Speranskiae Tuberculatae, and Glycyrrhrizae radix;
according to the parts by weight, the tea, the common andrographis herb, the horseradish, the garden balsam stem and the liquorice are respectively as follows: 3 parts of tea, 5 parts of common andrographis herb, 7 parts of horseradish, 8 parts of garden balsam stem and 3 parts of liquorice;
the preparation method of the antibacterial agent C comprises the following steps;
(1) pulverizing folium Camelliae sinensis, herba Andrographitis, herba Wasabiae Japonicae, and Glycyrrhrizae radix, mixing, adding sodium carbonate 0.1% of total weight of folium Camelliae sinensis, herba Andrographitis, herba Wasabiae Japonicae, and Glycyrrhrizae radix, adding 4 times of ethanol, heating to 50 deg.C, and extracting to obtain extractive solution 1 and residue;
(2) adding 3 times of ethanol into the residue, extracting for 1h, adding citric acid 0.03% of the residue, heating to 50 deg.C, and extracting for 1h to obtain extractive solution 2;
(3) mixing the extract 1 and the extract 2, adding 0.6% of sorbitol and 0.5% of VE into the residue by mass, and concentrating to obtain mixed extract of tea, herba Andrographitis, horseradish and Glycyrrhrizae radix;
(4) adding caulis et folium Gaultheriae Yunnanensis into 4 times of methanol, ultrasonic extracting at 100Hz and power of 200W, extracting with ethyl acetate, concentrating, dissolving in methanol, and recrystallizing to obtain herba Speranskiae Tuberculatae extract;
(5) mixing the mixed extracts of folium Camelliae sinensis, herba Andrographitis, horseradish and Glycyrrhrizae radix with the extract of herba Speranskiae Tuberculatae, and decolorizing to obtain antibacterial agent C.
The preparation of the brush filaments described in this comparative example was the same as in example 1.
The procedure for making the antibacterial toothbrush described in this comparative example is the same as example 1.
Comparative example 5
The difference compared with example 1 is only in the method for producing the antibacterial agent C.
The structure of the antibacterial toothbrush in the comparative example is the same as that of example 1;
the toothbrush handle of this comparative example was prepared as in example 1;
the raw materials for preparing the rubber sleeve of the toothbrush are the same as those in example 1;
the brush filaments of the toothbrush comprise 97 percent of main material, 1 percent of coupling agent and 2 percent of antibacterial agent C;
wherein the brush filaments are made of a mixture of plant fibers, cellulose and polyethylene glycol terephthalate in a mass ratio of 5:2: 2;
the antibacterial agent C is prepared from extracts of folium Camelliae sinensis, herba Andrographitis, herba Solani Nigri, and caulis et folium Gaultheriae Yunnanensis;
according to the parts by weight, the tea, the common andrographis herb, the horseradish and the garden balsam stem are respectively as follows: 3 parts of tea, 5 parts of common andrographis herb, 7 parts of horseradish and 8 parts of garden balsam stem;
the preparation method of the antibacterial agent C comprises the following steps;
(1) pulverizing folium Camelliae sinensis, herba Andrographitis, and horseradish, mixing, adding sodium carbonate 0.1% of total weight of folium Camelliae sinensis, herba Andrographitis, and horseradish, adding 4 times of ethanol, heating to 50 deg.C, extracting to obtain extractive solution 1 and residue;
(2) adding 3 times of ethanol into the residue, extracting for 1h, heating to 50 deg.C, and extracting for 1h to obtain extractive solution 2;
(3) - (5) same as in example 1;
the preparation method of the brush wire in this example is the same as that of example 1;
the method of making the antibacterial toothbrush described in this example is the same as example 1.
Examples of effects
The toothbrushes of examples 1 to 3 or comparative examples 1 to 4 are sterilized at 120 ℃ under high pressure, 1mL of 107cfu/mL of bacterial liquid is added, after the action is carried out for 10 hours at 25 ℃, the liquid is sucked for pouring culture, viable bacteria count is carried out, and the sterilization rate is calculated (0 month); further, the toothbrush was immersed in a sucrose solution having a mass concentration of 10% for three minutes every day, taken out and then rinsed with tap water for 1 minute, and after 6 months of the above treatment, the bactericidal rate was also counted for 10 hours, and the results are shown in tables 1 and 2.
Test of bacteriostatic Effect in Table 10 months
Figure BDA0002241128250000111
Figure BDA0002241128250000121
Therefore, the antibacterial toothbrush provided by the application has better antibacterial performance.
TABLE 26 month bacteriostasis test
Therefore, the antibacterial toothbrush provided by the application has good long-acting antibacterial performance.
The present invention is specifically illustrated in , which is not intended to limit the scope of the invention, but rather is intended to cover all equivalent implementations and modifications without departing from the scope of the invention.

Claims (10)

  1. The antibacterial toothbrush comprises a toothbrush handle and a toothbrush head, wherein a rubber sleeve is sleeved on the toothbrush handle, and brush filaments are planted on the toothbrush head, and the antibacterial toothbrush is characterized in that the toothbrush handle, the rubber sleeve and the brush filaments all contain antibacterial agents, wherein the antibacterial agent in the toothbrush handle is an antibacterial agent A, the antibacterial agent in the rubber sleeve is an antibacterial agent B, and the antibacterial agent in the brush filaments is an antibacterial agent C;
    the brush handle comprises 93-95% of mixed plastic, 3-4% of color master batch and 2-3% of antibacterial agent A; the rubber sleeve comprises 93-95% of rubber material, 3-4% of color master batch and 2-3% of antibacterial agent B; the brush wire comprises 96-97.5% of main material, 0.5-1% of coupling agent and 2-3% of antibacterial agent C.
  2. 2. The antibacterial toothbrush of claim 1, wherein said mixed plastic in the handle is prepared from a mixture of polypropylene, polycarbonate and polyurethane; the mass ratio of the polypropylene to the polycarbonate to the polyurethane is 3-5:1-2: 1.
  3. 3. The antibacterial toothbrush of claim 1, wherein the antibacterial agent a is a mixture of zinc oxide, copper oxide, ammonium dihydrogen phosphate.
  4. 4. The antibacterial toothbrush of claim 1, wherein the antibacterial agent B is a mixture of potassium sorbate, calcium propionate and sodium benzoate.
  5. 5. The antibacterial toothbrush according to claim 1, wherein the main material of the filaments is a mixture of plant fiber, cellulose and polyethylene terephthalate.
  6. 6. The antibacterial toothbrush of claim 1, wherein the antibacterial agent C is prepared from extracts of tea leaves, andrographis paniculata, horseradish and speranskia tuberculata.
  7. 7. The antibacterial toothbrush according to claim 6, wherein the tea leaves, the common andrographis herb, the horseradish and the garden balsam stem are respectively in parts by weight: 1-5 parts of tea, 2-7 parts of common andrographis herb, 5-10 parts of horseradish and 6-9 parts of garden balsam stem.
  8. 8. The antibacterial toothbrush according to claim 7, wherein the antibacterial agent C is prepared by a method comprising the steps of;
    (1) pulverizing folium Camelliae sinensis, herba Andrographitis, and herba horseradish, mixing, adding sodium carbonate, adding ethanol, and heating for extraction to obtain extractive solution 1 and residue;
    (2) adding ethanol into the residue, extracting for 1-2 hr, adding citric acid, heating, and extracting for 1-2 hr to obtain extractive solution 2;
    (3) mixing the extract 1 and the extract 2, adding sorbitol and VE, and concentrating to obtain mixed extract of folium Camelliae sinensis, herba Andrographitis and horseradish;
    (4) adding caulis et folium Gaultheriae Yunnanensis into methanol, ultrasonic extracting, extracting with ethyl acetate, concentrating, dissolving in methanol, and recrystallizing to obtain herba Speranskiae Tuberculatae extract;
    (5) mixing the mixed extract of folium Camelliae sinensis, herba Andrographitis and horseradish with the extract of herba Speranskiae Tuberculatae, and decolorizing to obtain antibacterial agent C.
  9. 9. The antibacterial toothbrush according to any of claims 1-7, wherein the filaments are prepared by a method comprising:
    (1) mixing plant fiber, cellulose and polyethylene glycol terephthalate to obtain a mixture 1;
    (2) adding the antibacterial agent C and the silane coupling agent into a mixture of ethanol and water to obtain a mixture 2;
    (3) adding the mixture 2 into the mixture 1, stirring and concentrating, extruding solid particles through a screw machine, and drying the solid particles;
    (4) and (3) putting the dried solid particles into a melt spinning machine for spinning, and finally cooling and forming to prepare the antibacterial bristles.
  10. 10, a method of making the antibacterial toothbrush of any of claims 1-9 , comprising the steps of:
    (1) injecting polypropylene, polycarbonate and polyurethane into a mold, adding color master and an antibacterial agent A, and performing injection molding to form a brush handle and a brush head;
    (2) dissolving potassium sorbate, calcium propionate and sodium benzoate in water, adding a water-based curing agent, adding color master into silica gel, stirring and dispersing, and curing the silica gel with the water-based curing agent to form a rubber sleeve;
    (3) and then the toothbrush bristles are fixed on the brush head.
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