CN113355765A - Bamboo charcoal powder brush yarn and preparation method thereof - Google Patents
Bamboo charcoal powder brush yarn and preparation method thereof Download PDFInfo
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- CN113355765A CN113355765A CN202110683338.1A CN202110683338A CN113355765A CN 113355765 A CN113355765 A CN 113355765A CN 202110683338 A CN202110683338 A CN 202110683338A CN 113355765 A CN113355765 A CN 113355765A
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- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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- 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
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- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/04—Preparing bristles
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- 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
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The application relates to the field of cosmetics, and particularly discloses a bamboo charcoal-brushed hair filament which is prepared from the following raw materials in parts by weight: 70-85 parts of PET plastic particles, 3-7 parts of bamboo charcoal composite antibacterial agent and 1.5-5 parts of silane coupling agent. The bamboo charcoal powder brush hair yarn has excellent antibacterial performance.
Description
Technical Field
The application relates to the field of cosmetics, in particular to a bamboo charcoal powder brush and a preparation method thereof.
Background
Whitewashing, which is a tool made of bundled filaments for removing or applying cosmetics, is commonly used for brushing off residual powder to ensure that the face is made up cleanly. However, after the brush is used, the brush is always in a wet state, and bacteria grow in the wet environment, and the research shows that the bamboo charcoal added into the raw materials of the wool yarns can play a role in resisting moisture and bacteria.
Bamboo charcoal is charcoal which is prepared by firing high mountain moso bamboos which grow for more than three years at high temperature of nearly thousand ℃. The bamboo charcoal has hexagonal molecular structure, hard texture, fine and porous structure, and strong moisture-proof and adsorption capacity. The bamboo charcoal powder is added into the broken filament, C active ions in the bamboo charcoal powder can adsorb dust on the surface of skin, the porous structure of the bamboo charcoal powder is favorable for absorbing moisture, and the bamboo charcoal powder can release negative oxygen ions and far infrared rays, so that the broken filament keeps dry and comfortable, and the mildew-proof effect is achieved.
The related technology discloses a cosmetic brush hair silk containing natural bamboo charcoal, which is composed of the following raw materials in percentage by weight: 95-99.9% of PET and 0.1-5% of natural bamboo charcoal. According to the related technology, natural bamboo charcoal is added as a main raw material, and the natural bamboo charcoal can provide nutritional ingredients for human skin, so that the problems of acnes, pimples and skin aging are effectively prevented.
However, the above-described related art has the following problems: the natural bamboo charcoal is used as the main raw material of the broken filament, although nutrients are provided, the natural bamboo charcoal has the function of adsorbing water and the capability of adsorbing bacteria, so that the bacteria are adsorbed on the surface of the bamboo charcoal brushed broken filament, and the antibacterial performance of the bamboo charcoal brushed broken filament is further improved.
Disclosure of Invention
In order to improve the antibacterial property of the bamboo charcoal brushed broken filaments, the application provides the bamboo charcoal brushed broken filaments and the preparation method thereof.
In a first aspect, the present application provides a bamboo charcoal powder brush hair filament, which adopts the following technical scheme:
the bamboo charcoal-powder brush hair yarn is prepared from the following raw materials in parts by weight: 70-85 parts of PET plastic particles, 3-7 parts of bamboo charcoal composite antibacterial agent and 1.5-5 parts of silane coupling agent.
By adopting the technical scheme, in the application, the silane coupling agent has the silane oxygen group which has reactivity to inorganic matters, and the oleophobic bamboo charcoal composite antibacterial agent is modified to be oleophilic, so that the bamboo charcoal composite antibacterial agent can be better dispersed and bonded in the raw materials of the bamboo charcoal powder brushed yarn, the antibacterial function of the bamboo charcoal composite antibacterial agent can be improved, and the antibacterial capacity of the bamboo charcoal powder brushed yarn is relatively improved.
Preferably, the method comprises the following steps: the bamboo charcoal powder brush filaments are prepared from the following raw materials in parts by weight: 75-80 parts of PET plastic particles, 4-6 parts of bamboo charcoal composite antibacterial agent and 2-3.5 parts of silane coupling agent.
Preferably, the method comprises the following steps: the bamboo charcoal composite antibacterial agent is prepared from the following raw materials in parts by weight: 10-14 parts of nano copper, 9-15 parts of nano zinc oxide, 9-16 parts of bamboo charcoal powder and 65-75 parts of absolute ethyl alcohol.
By adopting the technical scheme, the bamboo charcoal powder with strong adsorption force is added into the broken filaments, so that the broken filaments can be kept dry and comfortable, and the bacterial breeding is reduced; and when the bamboo charcoal powder brush is used for dipping the cosmetic powder, the bamboo charcoal powder brush has strong adsorption force on the cosmetic powder, the adsorption is more uniform when the bamboo charcoal powder brush is used, and the cosmetic powder is not easy to scatter. The nano copper is added into the raw material of the bamboo charcoal composite antibacterial agent, and the nano copper and water are subjected to chemical reaction under the aerobic condition to generate hydroxyl free radicals and active oxygen ions, so that the proliferation capacity of bacterial cells can be damaged, and the antibacterial effect is achieved. The nano zinc oxide is active oxide, and the released zinc ions can be combined with bacterial cell membranes to destroy the structure of membrane protein, so that the bacteria lose activity and achieve the aim of resisting bacteria. Meanwhile, the nano zinc oxide has good stability, is not decomposed at high temperature, and has good antibacterial function under both light and non-light conditions.
Preferably, the method comprises the following steps: the bamboo charcoal composite antibacterial agent is prepared by the following method:
dissolving nano zinc oxide and nano copper in absolute ethyl alcohol, stirring to be milk white, and standing for 2 hours to obtain nano zinc oxide-nano copper sol;
adding the bamboo charcoal powder into the zinc oxide-nano copper sol, uniformly stirring, and drying at the constant temperature of 150-160 ℃ for 22-24 h; drying, performing centrifugal washing, drying at 105 ℃ of 100-.
By adopting the technical scheme, the nano zinc oxide and the nano copper are hydrophobic substances and are difficult to dissolve in water, so that the nano zinc oxide and the nano copper are dissolved by absolute ethyl alcohol; the bamboo charcoal powder has strong adsorption capacity and can adsorb bacteria, and the nano zinc oxide and the nano copper have antibacterial capacity, so that the bacteria on the surface and nearby of the bamboo charcoal brushed broken filament can be reduced through the cooperation of the bamboo charcoal powder, the nano zinc oxide and the nano copper, and the bamboo charcoal brushed yarn is more sterile and sanitary.
Preferably, the method comprises the following steps: before the bamboo charcoal powder is adopted to prepare the bamboo charcoal composite antibacterial agent, the bamboo charcoal powder is pretreated according to the following steps: soaking the bamboo charcoal powder in deionized water, boiling, filtering, collecting the bamboo charcoal powder, and ultrasonically washing the bamboo charcoal powder with deionized water; and drying the washed bamboo charcoal powder to constant weight.
By adopting the technical scheme, substances such as dust and the like can be deposited or adhered on the surface of the bamboo charcoal powder, and the substances on the surface can reduce the reactivity of the bamboo charcoal powder, the nano zinc oxide and the nano copper oxide and have certain influence on the antibacterial capacity of the bamboo charcoal composite antibacterial agent, so that the bamboo charcoal powder needs to be pretreated.
Preferably, the method comprises the following steps: the silane coupling agent is an acyloxy silane coupling agent.
Preferably, the method comprises the following steps: the silane coupling agent is one of 3-methacryloxypropyltrimethoxysilane, gamma-methacryloxypropylmethyldimethoxysilane or 3-methacryloxypropyltriethoxysilane.
By adopting the technical scheme, the 3-methacryloxypropyltrimethoxysilane is a silane coupling agent with organic functional groups, and particularly, the dispersibility and the caking property of the bamboo charcoal composite antibacterial agent in resin can be improved through the reaction and the curing of acrylate active free radicals.
In a second aspect, the present application provides a method for preparing any one of the above bamboo charcoal brushed filaments, which is specifically realized by the following technical scheme:
a preparation method of bamboo charcoal powder brush filaments comprises the following operation steps:
uniformly mixing the bamboo charcoal composite antibacterial agent and the silane coupling agent to obtain a mixture A;
adding the mixture A into PET plastic particles, and uniformly mixing to obtain a mixture B;
heating and softening the mixture B at the temperature of 165-170 ℃ for 10-15min to obtain a mixed soft material;
extruding the mixed soft material into soft strips, and drawing wires to obtain a semi-finished product of the bamboo charcoal brushed broken filaments;
and cooling and shearing the semi-finished product of the bamboo charcoal brushed hair yarn to obtain the bamboo charcoal brushed hair yarn.
By adopting the technical scheme, the bamboo charcoal composite antibacterial agent and the silane coupling agent are added while the PET plastic particles are added, and the silane coupling agent and the bamboo charcoal composite antibacterial agent are matched with each other, so that bacteria on the surface of the brush hair yarn can be killed, and the antibacterial performance of the bamboo charcoal powder brush hair yarn is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
(1) the indexes of bundle pulling force, peak output rate, total bacterial count, antibacterial performance and the like of the bamboo charcoal powder brushed broken filament meet the standard requirements, the performance is excellent, the peak output rate can reach 99% at most, and the tail end of the broken filament has high flexibility; the highest tension of the hair bundle can reach 20N, the lowest total number of bacterial colonies is 530CFU/g, the bacteriostatic rates of the hair filaments on escherichia coli, staphylococcus aureus and candida albicans are respectively as high as 94%, 95% and 94%, and the antibacterial property is better.
(2) The bamboo charcoal powder brushed broken filament has high anti-decoloration and anti-mildew capacity, and the broken filament has good temperature resistance; has good antibacterial effect and has no problems of deformation, hair scattering, decoloration, mildew and the like.
Detailed Description
The present application will be described in further detail with reference to specific examples.
The following raw materials in the application are all commercially available products, and specifically: the PET plastic granules are selected from tin-free plastic Boshi plastification Co., Ltd, with a product number of 07; the nano copper is selected from Beijing German island gold science and technology limited, and the particle size is 50 nm; the nanometer zinc oxide is selected from Beijing Deke island gold science and technology Limited, and has a particle size of 30 nm; the bamboo charcoal powder is selected from Shijiazhuang Kunwei mineral products, Inc., and has particle diameter of 80 nm; the 3-methacryloxypropyltrimethoxysilane is selected from Nanjing Aureone chemical industry Co., Ltd, and the content of active substances is 97%.
The following are preparation examples of the bamboo charcoal composite antibacterial agent in the application:
preparation example 1
The bamboo charcoal composite antibacterial agent in the application is prepared by the following specific steps:
1. according to the mixing amount shown in the table 1, dissolving nano zinc oxide and nano copper in absolute ethyl alcohol with the mass percentage of 99.5%, stirring until the solution is milk white, and standing for 2 hours at 23 ℃ to obtain nano zinc oxide-nano copper sol;
2. soaking bamboo charcoal powder in deionized water, boiling, filtering, and collecting bamboo charcoal powder; ultrasonically washing the bamboo charcoal powder with deionized water, wherein the washing vibration intensity is 40kHz, and washing for 5 min; finally, drying the washed bamboo charcoal powder at the drying temperature of 150 ℃ until the weight of the bamboo charcoal powder is constant for later use;
3. adding the bamboo charcoal powder into the nano zinc oxide-nano copper sol according to the mixing amount shown in the table 1, drying at 150 ℃, and keeping the temperature for 24 hours; selecting 99.5% absolute ethyl alcohol by mass as a washing solution, carrying out centrifugal washing for 20min at a centrifugal rotation speed of 5000r/min, and then drying at a drying temperature of 105 ℃ for 24 h; and then heating to 400 ℃ at the heating rate of 5 ℃/min, keeping the temperature for 2 hours, naturally cooling to 25 ℃, and taking out to obtain the bamboo charcoal composite antibacterial agent.
Preparation example 2
The bamboo charcoal composite antibacterial agent of preparation example 2 was identical to the raw material of preparation example 1 in kind and amount, except that the preparation method did not perform the pretreatment of the bamboo charcoal powder.
Preparation examples 3 to 6
The bamboo charcoal composite antibacterial agents of preparation examples 3-6 have the same preparation method as that of preparation example 1, except that the mixing amount of each raw material is different, and the details are shown in table 1.
Preparation example 7
The specific preparation operations of the bamboo charcoal composite antibacterial agent of preparation example 7 were:
1. according to the mixing amount shown in the table 1, dissolving the nano zinc oxide in absolute ethyl alcohol with the mass percentage of 99.5%, stirring to be milk white, and standing for 2 hours at 23 ℃ to obtain nano zinc oxide sol;
2. soaking bamboo charcoal powder in deionized water, boiling, filtering, and collecting bamboo charcoal powder; ultrasonically washing the bamboo charcoal powder with deionized water, wherein the washing vibration intensity is 40kHz, and washing for 5 min; finally, drying the washed bamboo charcoal powder at the drying temperature of 150 ℃ until the weight of the bamboo charcoal powder is constant for later use;
3. adding the bamboo charcoal powder into the nano zinc oxide sol according to the mixing amount shown in the table 1, and drying at the drying temperature of 150 ℃ for 24 hours; selecting 99.5% absolute ethyl alcohol by mass as a washing solution, carrying out centrifugal washing for 20min at a centrifugal rotation speed of 5000r/min, and then drying at a drying temperature of 105 ℃ for 24 h; and then heating to 400 ℃ at the heating rate of 5 ℃/min, keeping the temperature for 2 hours, naturally cooling to 25 ℃, and taking out to obtain the bamboo charcoal composite antibacterial agent.
Preparation example 8
The specific preparation operations of the bamboo charcoal composite antibacterial agent of preparation example 8 are as follows:
1. soaking bamboo charcoal powder in deionized water, boiling, filtering, and collecting bamboo charcoal powder; ultrasonically washing the bamboo charcoal powder with deionized water, wherein the washing vibration intensity is 40kHz, and washing for 5 min; finally, drying the washed bamboo charcoal powder at the drying temperature of 150 ℃ until the weight of the bamboo charcoal powder is constant for later use;
2. according to the mixing amount shown in the table 1, dissolving the nano-copper in absolute ethyl alcohol with the mass percentage of 99.5%, adding the bamboo charcoal powder, and uniformly stirring to obtain a nano-copper mixed solution;
3. and (3) drying the nano-copper mixed solution according to the mixing amount shown in the table 1, keeping the drying temperature at 160 ℃ for 24 hours, naturally cooling to 25 ℃, and taking out to obtain the bamboo charcoal composite antibacterial agent.
TABLE 1 blending amount (unit: g) of each raw material of bamboo charcoal composite antibacterial agent of preparation examples 1-8
Example 1
A preparation method of bamboo charcoal powder brush filaments comprises the following operation steps:
uniformly mixing PET plastic particles, the bamboo charcoal composite antibacterial agent of preparation example 1 and 3-methacryloxypropyltrimethoxysilane according to the mixing amount shown in the table 2 to obtain a mixture;
heating the mixture for softening treatment at 165 deg.C for 10min to obtain soft material;
extruding the mixed soft material into strip-shaped soft strips, and drawing into filaments with the diameter of 2.5mm to obtain semi-finished products of the bamboo charcoal powder brush filaments; naturally cooling the semi-finished product of the bamboo charcoal brushed broken filament, and cutting the cooled semi-finished product into the length required by the bamboo charcoal brushed filament to obtain the bamboo charcoal brushed broken filament.
Examples 2 to 5
The bamboo charcoal powder brush filaments of examples 2-5 have the same preparation method and raw material types as those of example 1, except that the raw materials are mixed in different amounts, and are specifically shown in table 2.
TABLE 2 blending amounts (unit: kg) of the raw materials of the bamboo charcoal-powder brush yarns of examples 1 to 5
Examples 6 to 9
The bamboo charcoal powder brush filaments of examples 6-9 have the same preparation method and the same types of raw materials as those of example 1, except that the raw materials are mixed in different amounts, and the details are shown in table 3.
TABLE 3 blending amounts (unit: kg) of the respective raw materials of the bamboo charcoal-powder brush yarns of examples 6 to 9
Example 10
The bamboo charcoal-powder brush yarn of example 10 was prepared in the same manner as in example 8, except that 3-methacryloxypropyltrimethoxysilane was equally replaced with gamma-methacryloxypropylmethyldimethoxysilane, and the remaining raw materials and amounts were the same as in example 1.
Example 11
The bamboo charcoal powder brush hair yarn of the embodiment 11 is completely the same as the preparation method of the embodiment 8, except that: the 3-methacryloxypropyltrimethoxysilane in the bamboo charcoal powder brush raw material is replaced by 3-methacryloxypropyltriethoxysilane in equal amount, and the other raw materials and the mixing amount are the same as those in the example 1. Example 12
The bamboo charcoal brushed filament of example 13 has the same preparation method and raw material mixing amount as those of example 8, except that the bamboo charcoal composite antibacterial agent prepared in preparation example 2 is used. Examples 13 to 16
The bamboo charcoal powder brush filaments of examples 13 to 16 were prepared in the same manner and in the same amount as those of example 8, except that the bamboo charcoal composite antibacterial agent prepared in preparation examples 3 to 6 was used.
Examples 17 to 18
The bamboo charcoal-powder brush filaments of examples 17 to 18 were prepared in the same manner as in example 8, except that the bamboo charcoal composite antibacterial agent prepared in preparation examples 7 to 8 was used. Comparative example 1
The bamboo charcoal powder brush hair yarn of the comparative example 1 is completely the same as the preparation method of the example 1, except that: the bamboo charcoal composite antibacterial agent is not added, and the other raw materials and the mixing amount are the same as those in the example 1.
Comparative example 2
The bamboo charcoal powder brush hair yarn of the comparative example 2 is completely the same as the preparation method of the example 1, except that: 3-methacryloxypropyltrimethoxysilane was replaced with gamma-diethylenetriaminopropylmethyldimethoxysilane.
Performance detection
The performance tests of temperature resistance, decolorization, mildew conditions, hair bundle tension and peak emergence rate are respectively carried out on the bamboo charcoal powder brushing hair yarns of the examples 1-18 and the comparative examples 1-2 by adopting the detection methods and standards of GB/T30402-; the indexes of the performances are as follows:
temperature resistance: soaking in water at 60 deg.C for 20min to prevent deformation and loose hair;
and (3) decoloring: the color is not decolored;
and (3) mildew condition: after production, putting the wool into a thermostat with the temperature of 25 ℃ and the relative humidity of 70 percent, and observing whether the back mildew phenomenon occurs or not after 30 days;
tuft tension (N): not less than 15N;
peak yield (%): randomly extracting 100 broken filaments, observing with a 40-time magnifying lens, counting the number of the bristles without grinding the peak, and calculating the peak rate.
TABLE 4 Performance test results for different bamboo charcoal powder brush filaments
The detection results in table 4 show that the bamboo charcoal powder brushed wool filaments in the application have the advantages of temperature resistance, decolorization, mildew condition, and hair bundle tension and peak emergence rate meeting the standard requirements. In the embodiment 3, the bundle pulling force of the broken filaments is 19N, the peak output rate is 97 percent, and the bundle pulling force is higher than that of the broken filaments in the embodiment 1, the embodiment 2, the embodiment 4 and the embodiment 5; it was thus confirmed that the raw material used in example 3 was more preferably used in parts by weight. In example 8, the bundle pulling force of the yarn was 20N, and the peak output rate was 99%, and it was found that the yarn ends had high flexibility when the weight ratio of the silane coupling agent to the bamboo charcoal composite antibacterial agent was 1: 2. Both example 11 and example 12 replace 3-methacryloxypropyltrimethoxysilane with another acyloxy silane and did not significantly reduce the tuft pull and peak emergence of the wool.
According to the detection result of the comparative example 1, when the bamboo charcoal composite antibacterial agent is not added into the raw materials of the wool yarns, the phenomena of deformation and mildewing occur, the moisture resistance of the wool yarns is greatly reduced, and the tensile force of the wool bundles of the wool yarns in the comparative example 1 is 15N, which is lower than that of the wool yarns in the examples 1 to 18. Comparative example 2, the acyloxy silane of the raw material of the wool yarn was replaced by aminosilane, the tensile force of the wool yarn bundle was 15N, which was lower than that of the wool yarns of examples 1 to 18, and the peak yield of the wool yarn was only 75%, and the softness of the tip of the wool yarn was poor.
The bamboo charcoal powder brush hair filaments of the examples 1-18 and the comparative examples 1-2 of the application are respectively subjected to detection of total bacterial colony count, total mould and yeast count, total staphylococcus aureus count and antibacterial performance, and the specific operation is as follows:
total colony count (CFU/g): testing with reference to Q-SZLJL 0002-;
antibacterial property: the antibacterial rate of the bristle filaments to escherichia coli, staphylococcus aureus and candida albicans is detected by referring to GB/T21510-.
TABLE 5 Performance test results for different bamboo charcoal powder brush filaments
As can be seen from Table 5, the total number of colonies, the total number of mold and yeast and the total number of Staphylococcus aureus of the bamboo charcoal powder brush filaments in the present application all meet the standard requirements. Example 3 the total colony count of the hair is 550CFU/g, the total colony count of the mould and the yeast is 612CFU/g, which are all lower than those of the example 1, the example 2, the example 4 and the example 5, and the bacteriostatic rates of the hair on escherichia coli, staphylococcus aureus and candida albicans are 89%, 88% and 87%, which are all higher than those of the example 1, the example 2, the example 4 and the example 5; in example 8, the total number of colonies of the hair is 530CFU/g, the total number of molds and yeasts is 550CFU/g, which are lower than those in examples 1-18, and the inhibition rates of the hair on escherichia coli, staphylococcus aureus and candida albicans are 94%, 95% and 94% respectively, which shows that when the weight ratio of the silane coupling agent to the bamboo charcoal composite antibacterial agent in the raw material of the hair is 1:2, the antibacterial performance of the hair is optimal.
The test result of comparative example 1 shows that the total number of colonies detected in the hair is 954CFU/g, the total number of the mold and the yeast is 948CFU/g, which are all higher than those of examples 1-18, and the bacteriostatic rates of the hair on escherichia coli, staphylococcus aureus and candida albicans are 56%, 61% and 60%, respectively, which are all lower than those of examples 1-18, which indicates that the antibacterial performance of the hair is reduced when the bamboo charcoal composite antibacterial agent is not added to the raw material of the hair. The bacteriostatic rates of the wool to escherichia coli, staphylococcus aureus and candida albicans in the comparative example 2 were 75%, 73% and 76%, respectively, which indicates that the antibacterial performance of the wool is reduced by replacing the acyloxy silane coupling agent with the aminosilane coupling agent.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (8)
1. The bamboo charcoal-powder brush hair yarn is characterized by being prepared from the following raw materials in parts by weight: 70-85 parts of PET plastic particles, 3-7 parts of bamboo charcoal composite antibacterial agent and 1.5-5 parts of silane coupling agent.
2. The bamboo charcoal-powered brushed yarn as claimed in claim 1, which is prepared from the following raw materials in parts by weight: 75-80 parts of PET plastic particles, 4-6 parts of bamboo charcoal composite antibacterial agent and 2-3.5 parts of silane coupling agent.
3. The bamboo charcoal-powder brush hair filament according to claim 1, wherein the bamboo charcoal composite antibacterial agent is prepared from the following raw materials in parts by weight: 10-14 parts of nano copper, 9-15 parts of nano zinc oxide, 9-16 parts of bamboo charcoal powder and 65-75 parts of absolute ethyl alcohol.
4. The bamboo charcoal-powder brush hair filament according to claim 3, wherein the bamboo charcoal composite antibacterial agent is prepared by the following method:
dissolving nano zinc oxide and nano copper in absolute ethyl alcohol, stirring to be milk white, and standing for 2 hours to obtain nano zinc oxide-nano copper sol;
adding the bamboo charcoal powder into the zinc oxide-nano copper sol, uniformly stirring, and drying at the constant temperature of 150-160 ℃ for 22-24 h; drying, performing centrifugal washing, drying at 105 ℃ of 100-.
5. The bamboo charcoal powder brush hair filament according to claim 4, wherein the bamboo charcoal powder is pretreated according to the following steps before being used for preparing the bamboo charcoal composite antibacterial agent: soaking the bamboo charcoal powder in deionized water, boiling, filtering, collecting the bamboo charcoal powder, and ultrasonically washing the bamboo charcoal powder with deionized water; and drying the washed bamboo charcoal powder to constant weight.
6. The bamboo charcoal-powder brush yarn according to claim 1, wherein: the silane coupling agent is an acyloxy silane coupling agent.
7. The bamboo charcoal-powder brush yarn according to claim 6, wherein: the silane coupling agent is one of 3-methacryloxypropyltrimethoxysilane, gamma-methacryloxypropylmethyldimethoxysilane or 3-methacryloxypropyltriethoxysilane.
8. The method for preparing bamboo charcoal powder brush hair filaments as claimed in any one of claims 1 to 7, which is characterized by comprising the following operation steps:
uniformly mixing the bamboo charcoal composite antibacterial agent and the silane coupling agent to obtain a mixture A;
adding the mixture A into PET plastic particles, and uniformly mixing to obtain a mixture B;
heating and softening the mixture B at the temperature of 165-170 ℃ for 10-15min to obtain a mixed soft material;
extruding the mixed soft material into soft strips, and drawing wires to obtain a semi-finished product of the bamboo charcoal brushed broken filaments;
and cooling and shearing the semi-finished product of the bamboo charcoal brushed hair yarn to obtain the bamboo charcoal brushed hair yarn.
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| CN114108129A (en) * | 2021-12-28 | 2022-03-01 | 东莞市大唐塑胶有限公司 | Antibacterial cosmetic brush hair containing collagen and preparation method thereof |
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