CN114673004A - Preparation method of graphene antibacterial down feather - Google Patents
Preparation method of graphene antibacterial down feather Download PDFInfo
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- CN114673004A CN114673004A CN202210534579.4A CN202210534579A CN114673004A CN 114673004 A CN114673004 A CN 114673004A CN 202210534579 A CN202210534579 A CN 202210534579A CN 114673004 A CN114673004 A CN 114673004A
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- down feather
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M19/00—Treatment of feathers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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Abstract
The invention discloses a preparation method of graphene antibacterial down feather, which comprises the following steps: step 1: selecting raw materials, and grading the raw material down feather by adopting an air blower; step 2: treating raw materials, namely, primarily washing the raw material down, adding a degreasing agent and a bactericide into the primary washing, rinsing the raw material down with clean water for the secondary rinsing, and drying the raw material down with a dryer; and step 3: preparing nano graphene sol coating liquid; and 4, step 4: preparing modified down, placing the dried down in a reactor filled with a film coating liquid, stirring and shaking for 10-15min, and then drying at 80-90 ℃ for 2h to obtain the modified down; and 5: washing with water, drying and storing. According to the invention, the nano graphene is uniformly dispersed on the surface of the washed down feather by a sol-gel method, so that the functional down feather material with antibacterial and bacteriostatic properties is prepared, the method is simple and applicable, industrial industrialization is utilized, and the long-acting antibacterial and bactericidal effect is obvious.
Description
Technical Field
The invention relates to the technical field of down feather correlation, in particular to a preparation method of graphene antibacterial down feather.
Background
The chinese down industry accounts for 70% of the world market share. The down feather has good warm keeping property and can be used as a raw material of down feather products. But the organic substance of the raw material itself grows bacteria for a long time, and generates peculiar smell and the like. Therefore, how to prepare down feather with antibacterial property becomes a development trend of the down feather industry. At present, nano particle modified down feather is prepared by adopting an impregnation method, but the problems of low fastness to washing, reduced filling power, reduced heat preservation effect and the like still exist.
Disclosure of Invention
The invention aims to provide a preparation method of graphene antibacterial down feather to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of graphene antibacterial down feather comprises the following steps:
step 1: selecting raw materials, and grading the raw material down feather by adopting an air blower;
step 2: treating raw materials, namely primarily washing the raw material down, adding a degreasing agent and a bactericide into the primary washing, rinsing the raw material down with clean water for the second time, and drying the raw material down for 20-30min at the temperature of 80-100 ℃ by using a dryer;
and step 3: preparing nano graphene sol coating liquid, adding 10-15g of tetrabutyl titanate into 40-45ml of absolute ethyl alcohol at room temperature, stirring for 30-40min to obtain a light yellow transparent solution, dropwise adding 2-3g of glacial acetic acid, adjusting the pH value to 6-6.5, stirring uniformly, slowly adding 40-45ml of distilled water, heating to 40-50 ℃, stirring for 20-30min to obtain a precursor solution, adding 5-6g of nano graphene powder into the precursor solution, and continuously stirring for 30min at 40-50 ℃ to obtain the coating liquid;
and 4, step 4: preparing modified down, placing the dried down in a reactor filled with a film coating liquid, stirring and shaking for 10-15min, and then drying at 80-90 ℃ for 2h to obtain the modified down;
and 5: washing with water, drying and storing, washing the modified down feather with distilled water for 2-3 times, and drying in a drying box at the temperature of 100-120 ℃ for 30-50 min.
Preferably, during the primary washing in the step 2, the specific gravity of the clean water and the down feather is 5:1-7:1, and the temperature is controlled at 40-50 ℃.
Preferably, the specific gravity of the degreasing agent and the down feather added in the primary water washing process in the step 2 is 1:3, and the specific gravity of the bactericide and the down feather is 1: 5.
Preferably, the specific gravity of the clean water and the down feather in the secondary rinsing in the step 2 is 5:1-7:1, the temperature is controlled to be 40-50 ℃, and the rinsing time is 10-15 min.
Compared with the prior art, the invention has the beneficial effects that: the nano graphene is uniformly dispersed on the surface of the washed down feather through a sol-gel method, so that the down feather material with the functions of resisting bacteria and inhibiting bacteria is prepared.
Drawings
FIG. 1 is a scanning electron microscope image of water-washed down feathers of the present invention;
fig. 2 is a scanning electron microscope image of the graphene antibacterial down feather of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution: a preparation method of graphene antibacterial down feather comprises the following steps:
step 1: selecting raw materials, and grading the raw material down feather by adopting an air blower;
step 2: treating raw materials, namely adding 1-2kg of down into a wool washing machine for a water washing process, adding clear water according to the weight ratio of 5:1-7:1, rinsing for 20-30mins, and controlling the temperature to be 40-50 ℃. Adding a degreasing agent and a bactericide, wherein the weight ratio of the degreasing agent to the bactericide is 1:3, and the weight ratio of the bactericide to the degreasing agent is 1: 5;
and step 3: preparing nano graphene sol coating liquid, adding 10-15g of tetrabutyl titanate into 40-45ml of absolute ethyl alcohol at room temperature, stirring for 30-40min to obtain a light yellow transparent solution, dropwise adding 2-3g of glacial acetic acid, adjusting the pH value to 6-6.5, stirring uniformly, slowly adding 40-45ml of distilled water, heating to 40-50 ℃, stirring for 20-30min to obtain a precursor solution, adding 5-6g of nano graphene powder into the precursor solution, and continuously stirring for 30min at 40-50 ℃ to obtain the coating liquid;
and 4, step 4: preparing modified down, placing the dried down in a reactor filled with coating liquid, stirring and shaking for 10-15min, and then drying at 80-90 ℃ for 2h to obtain the modified down;
and 5: washing with water, drying, and storing, washing the modified down with distilled water for 2-3 times, and drying in a drying oven at 120 deg.C for 30-50 min.
Example 2
Quantitative tests and evaluations are carried out on three samples, namely water-washed down, nano-graphene powder and nano-graphene antibacterial down 30 days after preparation according to a GB/T20994.3-2007 oscillation method. The antibacterial effect of the sample is evaluated by placing the sample and the control sample into a triangular flask of test bacterial liquid with a certain concentration, oscillating for a certain time at a specified temperature, measuring the viable bacteria concentration of the bacterial liquid in the triangular flask before and after oscillating for a certain time, and calculating the antibacterial rate. The test data are shown in table one.
TABLE I antibacterial experimental data (30 days sample)
The results show that: after 30 days, the bacteriostatic rate of the nano graphene antibacterial down feather on staphylococcus aureus, escherichia coli and candida albicans exceeds 90%, and the nano graphene antibacterial down feather is far higher than that of washed down feather. The scanning electron microscope image shows that a better gel layer is formed on the surface of the modified down feather, so that the antibacterial property of the nano graphene is improved to the maximum extent
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A preparation method of graphene antibacterial down feather is characterized by comprising the following steps:
step 1: selecting raw materials, and grading the raw material down feather by adopting an air blower;
step 2: treating raw materials, namely, primarily washing the raw material down, adding a degreasing agent and a bactericide into the primary washing, rinsing the raw material down by using clean water for the secondary rinsing, and drying the raw material down for 20 to 30min at the temperature of between 80 and 100 ℃ by using a dryer;
and step 3: preparing nano graphene sol coating liquid, adding 10-15g of tetrabutyl titanate into 40-45ml of absolute ethyl alcohol at room temperature, stirring for 30-40min to obtain a light yellow transparent solution, dropwise adding 2-3g of glacial acetic acid, adjusting the pH value to 6-6.5, stirring uniformly, slowly adding 40-45ml of distilled water, heating to 40-50 ℃, stirring for 20-30min to obtain a precursor solution, adding 5-6g of nano graphene powder into the precursor solution, and continuously stirring for 30min at 40-50 ℃ to obtain the coating liquid;
and 4, step 4: preparing modified down, placing the dried down in a reactor filled with coating liquid, stirring and shaking for 10-15min, and then drying at 80-90 ℃ for 2h to obtain the modified down;
and 5: washing with water, drying, and storing, washing the modified down with distilled water for 2-3 times, and drying in a drying oven at 120 deg.C for 30-50 min.
2. The preparation method of the graphene antibacterial down feather as claimed in claim 1, wherein the preparation method comprises the following steps: during the primary washing in the step 2, the specific gravity of the clean water and the down feather is 5:1-7:1, and the temperature is controlled at 40-50 ℃.
3. The preparation method of the graphene antibacterial down feather as claimed in claim 1, wherein the preparation method comprises the following steps: the proportion of the degreasing agent added in the primary washing process in the step 2 to the down feather is 1:3, and the proportion of the bactericide to the down feather is 1: 5.
4. The preparation method of the graphene antibacterial down feather as claimed in claim 1, wherein the preparation method comprises the following steps: the proportion of the clean water to the down feather in the secondary rinsing in the step 2 is 5:1-7:1, the temperature is controlled to be 40-50 ℃, and the rinsing time is 10-15 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210534579.4A CN114673004A (en) | 2022-05-17 | 2022-05-17 | Preparation method of graphene antibacterial down feather |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210534579.4A CN114673004A (en) | 2022-05-17 | 2022-05-17 | Preparation method of graphene antibacterial down feather |
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| CN114673004A true CN114673004A (en) | 2022-06-28 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160222581A1 (en) * | 2015-01-29 | 2016-08-04 | Kwong Lung Enterprise Co., Ltd. | Water repellent down production method and product thereof |
| CN108330679A (en) * | 2017-01-20 | 2018-07-27 | 中国科学院金属研究所 | A kind of preparation method of graphene coated conductive fiber |
| CN108486752A (en) * | 2018-02-13 | 2018-09-04 | 西安工程大学 | Nano self-cleaning function is knitted the preparation method of hair wool fabric |
| CN110042669A (en) * | 2019-04-23 | 2019-07-23 | 中国热带农业科学院农产品加工研究所 | A kind of preparation method of load nano-titanium dioxide antibacterial down feather |
| US10760209B1 (en) * | 2019-04-29 | 2020-09-01 | Shaanxi University Of Science And Technology | Method for preparing high fluffiness down by multiple treatments with metal salts |
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2022
- 2022-05-17 CN CN202210534579.4A patent/CN114673004A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160222581A1 (en) * | 2015-01-29 | 2016-08-04 | Kwong Lung Enterprise Co., Ltd. | Water repellent down production method and product thereof |
| CN108330679A (en) * | 2017-01-20 | 2018-07-27 | 中国科学院金属研究所 | A kind of preparation method of graphene coated conductive fiber |
| CN108486752A (en) * | 2018-02-13 | 2018-09-04 | 西安工程大学 | Nano self-cleaning function is knitted the preparation method of hair wool fabric |
| CN110042669A (en) * | 2019-04-23 | 2019-07-23 | 中国热带农业科学院农产品加工研究所 | A kind of preparation method of load nano-titanium dioxide antibacterial down feather |
| US10760209B1 (en) * | 2019-04-29 | 2020-09-01 | Shaanxi University Of Science And Technology | Method for preparing high fluffiness down by multiple treatments with metal salts |
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