CN119663673B - Antibacterial insect-proof silk paper for painting and calligraphy and preparation method thereof - Google Patents
Antibacterial insect-proof silk paper for painting and calligraphy and preparation method thereofInfo
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- CN119663673B CN119663673B CN202411790821.XA CN202411790821A CN119663673B CN 119663673 B CN119663673 B CN 119663673B CN 202411790821 A CN202411790821 A CN 202411790821A CN 119663673 B CN119663673 B CN 119663673B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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Abstract
The invention provides an antibacterial insect-proof silk paper for painting and calligraphy and a preparation method thereof, and relates to the technical field of papermaking. The method comprises the following steps of S1, placing flat silk in warm water, adding sodium dodecyl sulfate, urea and Ca (ClO) 2, preserving heat, standing, stirring, adding NaOH, standing, kneading, then taking out the flat silk, soaking with water, cleaning, tiling and drying, S2, soaking the dried flat silk in an antibacterial insect-proof liquid, taking out, airing, repeatedly soaking-airing for 2-3 times, paving and drying, S3, soaking the flat silk dried in the step S2 in a whitening softening liquid, then taking out, tiling and drying, then spraying antibacterial nanocapsules on one or both sides of the flat silk, and drying to obtain the silk paper. The silk paper prepared by the method has high whiteness, is favorable for storage, and has antibacterial and corrosion resistance.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to antibacterial insect-proof silk paper for painting and calligraphy and a preparation method thereof.
Background
Silk paper, a precious hand paper of the Jindai, is woven into a plane silk paper by controlling the natural silk spitting of the natural silk worm and serging. The paper is soft in texture, has a color and luster like jade, is crisscrossed with textures, has a 360-degree mercerization effect on the surface, is deep in a nest shape when meeting water drops, and is not easy to infiltrate. The fiber is coherent and not easy to damage, and the sericin has the advantages of corrosion resistance, moisture resistance and oxidation resistance, and the preservation time is 2-3 times that of the rice paper.
The preparation method of the silk paper mainly comprises the steps of degumming, bleaching, drying and the like of silk raw materials to remove impurities and sericin, and improve the purity and softness of the fiber. And pulping the treated silk fibers, and uniformly distributing the fibers on the paper surface through a papermaking process to form paper. And (3) carrying out post-treatment procedures such as calendaring and finishing on the well-formed paper so as to improve the glossiness and flatness of the paper. The other preparation method is that flat silk is directly used as raw material, soap alkali is used for degumming, 20% -30% of sericin is reserved in the environment of 55-98 ℃ in sequence, then the silk is dried at the temperature of 60-70 ℃, and after being paved, the silk is rolled by a round stick or iron rod with uniform thickness, so that the texture is compact.
But the fibers of the plane silk are glued by silk, after the degumming rate exceeds 70%, the gluing between the silk fibers can be destroyed, so that the silk is loose, disordered and layered, and finally a fluffy structure similar to a silk quilt is formed, and the silk quilt can not be used for writing at all. And in the rolling and rolling process, the floating silk on the surface of the silk paper can be wound and adhered on the roller, the silk paper is torn into slices, more floating wool is brought up, more flocculent textures are formed, and the attractiveness and the yield of the silk paper are greatly affected. Moreover, silk is composed of animal proteins, bacteria and mould are easy to grow, and the existing silk paper preparation methods do not have antibacterial and mildew-proof treatment, so that the method is not beneficial to the propagation of famous and precious calligraphic works.
Disclosure of Invention
The invention aims to provide a preparation method of antibacterial insect-proof silk paper for painting and calligraphy, which has the advantages of antibacterial and antiseptic properties and high whiteness.
The invention also aims to provide the antibacterial insect-proof silk paper for the painting and calligraphy, which has high whiteness and is favorable for storage.
The invention solves the technical problems by adopting the following technical scheme.
On one hand, the embodiment of the invention provides a preparation method of antibacterial insect-proof silk paper for painting and calligraphy, which comprises the following steps:
s1, placing flat silk in warm water, adding sodium dodecyl sulfate, urea and Ca (ClO) 2, preserving heat, standing, stirring, adding NaOH, standing, kneading, then fishing out the flat silk, soaking and cleaning with water for 3-5 times, tiling, and naturally drying;
S2, soaking the dried flat silk in the antibacterial insect-proof liquid, fishing out and airing, repeatedly soaking and airing for 2-3 times, and paving and drying;
And S3, soaking the flat silk dried in the step S2 in whitening and softening liquid, then taking out, tiling and drying, then spraying antibacterial nanocapsules on one or both sides, and drying to obtain the silk paper.
In the invention, flat silk is used as a raw material, and has a mutually entangled fiber structure, so that the thickness of paper is controlled in the silk spinning stage, and the subsequent treatment is performed to avoid artificial tearing as much as possible so as to reduce the generation of floating silk.
In the step S1, sodium Dodecyl Sulfate (SDS) is added as a protein protecting agent, so that the cleavage of urea, ca (ClO) 2 and NaOH on sericin can be reduced, and the molecular weight of protein in silk paper can be further improved. When the silk paper is kept warm and kept stand, the sericin can be fully swelled, and then the silk paper is gently stirred for 10 minutes, so that the yellowish ground color on the surface of the silk paper can be removed, the heavy spot stains are rubbed with lighter force, the intractable stains such as silkworm, silkworm urine and the like are rubbed after being soaked in NaOH for 3 minutes, and the intractable stains on the silk paper can be washed off.
In the preparation process, the method adopts the modes of tiling and naturally airing and drying, does not use a wood stick, an iron rod, a roller mill and the like for flattening treatment, greatly reduces floating hair on the surface of silk paper, and increases the smoothness and flatness of the paper.
In some embodiments of the invention, the insect-proof antibacterial liquid comprises the following raw materials in parts by weight:
30-80 parts of chinaberry bark powder, ai Caorong-15 parts of Ai Caorong parts of mint powder, 10-20 parts of dispersed rosin size, 700-900 parts of 95% ethanol by volume fraction, 300-400 parts of purified water and 20-80 parts of activated carbon.
The insect-proof antibacterial liquid contains various insect-proof and bactericidal components such as margarine, ai Huangtong and peppermint essential oil, is natural and environment-friendly, has good antibacterial and bacteriostatic effects, is soaked for many times, so that the antibacterial insect-proof substances penetrate into the deep part of silk protein, the embedding effect of the crystalline protein can realize slow release of the antibacterial insect-proof substances, the silk paper can be protected from being damaged by bacteria, mold, moths and mice in the preservation process for a long time, and the preservation time of silk paper painting and calligraphy works is greatly prolonged
In some embodiments of the invention, the insect repellent antibacterial solution is prepared by the following method:
Mixing the rest raw materials except the active carbon uniformly at 45-55 ℃, stirring for 6-18h, sequentially filtering with 60-mesh, 100-mesh and 200-mesh filter screens, adding the active carbon into the filtrate, stirring uniformly, sequentially filtering with 60-mesh, 100-mesh and 200-mesh filter screens, and collecting the filtrate, thus obtaining the insect-preventing antibacterial liquid. The insect-proof antibacterial liquid is prepared from natural plant components by adopting a green preparation method to obtain an antibacterial insect-proof natural plant extract. The ethanol content of the extract is higher than 70%, and the soaking process can effectively kill harmful bacteria which are attached to paper and feed on silk. The color of the obtained extract is lighter and the impurities are less after the activated carbon adsorption treatment, which is beneficial to the improvement of the whiteness of silk paper.
In some embodiments of the invention, the whitening and softening solution comprises 5-20% by volume of glycerol aqueous solution and 5-25g/L of TiO 2 nano-powder. The TiO 2 nano powder can effectively eliminate the yellow brown color generated by the antibacterial insect-proof liquid, so that the silk paper is bright and clean, the glycerol can swell sericin in the silk paper into a sphere, and the water content and the water absorption of the silk paper are obviously increased.
In some embodiments of the invention, the particle size of the TiO 2 nanopowder is less than 100nm.
In some embodiments of the invention, in step S1, urea is present at a concentration of 1-8mol/L, ca (ClO) 2 is present at a concentration of 1-5% w/v, and NaOH is present at a mass fraction of 2-5%.
In some embodiments of the present invention, in the step S1, the temperature of the warm water is 45-55 ℃, and the time of heat preservation and standing is 3-5 hours. Degumming is carried out under the mild condition of 45-55 ℃, the retention rate of sericin in silk paper reaches over 70 percent, and sericin with silkworm urine and pupa oil on the surface layer can be effectively removed under the condition of not damaging the bonding of original silk fibers. More than 70% of sericin can be reserved in the degummed silk paper, the silk paper is horizontally placed and stood during airing, a large amount of swelling sericin is used as an adhesive, surface floating silk and silk paper are firmly fixed on the surface of the silk paper, and floating hair of the silk paper is reduced.
The preparation method of the antibacterial nanocapsule comprises the following steps:
Uniformly mixing CO-40 (solubilizer, hydrogenated castor oil polyoxyethylene ether), span-80 (Span 80) and 1, 2-propylene glycol to obtain an emulsifier A;
Uniformly mixing the two components according to the mass ratio of the emulsifier A to the plant essential oil=7:3, and stirring for 20min at 30 ℃ to obtain a mixed solution;
Then dripping 1% chitosan water solution into the mixed solution dropwise until the solution is clear and transparent, stirring for 30min to obtain the liquid antibacterial nanocapsule,
Wherein the total mass of CO-40 and Span-80 is 1, 2-propanediol mass = 3:1. The plant essential oil can be peppermint essential oil and lavender essential oil.
On the other hand, the embodiment of the invention provides the antibacterial insect-proof silk paper for the painting and calligraphy, which is prepared by the method.
Compared with the prior art, the embodiment of the invention has at least the following advantages or beneficial effects:
The preparation method provided by the application utilizes the detergency of the anionic surfactant, adopts SDS as a protective agent, does not add soap lye, degumps in warm water, ensures that the retention rate of sericin in flat silk reaches more than 70%, and removes sericin with silkworm urine and pupa oil on the surface layer under the condition of not damaging the bonding of original silk fibers. Can effectively promote the whole whiteness of silk paper, remove the trace of macula lutea and silkworm blood, simultaneously keep the original structure of silk paper fiber, reduce the production of floating hair. And secondly, the pH value of the degumming wastewater is neutral, and the degumming wastewater contains a large amount of urea, a small amount of sericin, a trace amount of wax and mineral elements, is an environment-friendly pollution-free water fertilizer, and can be directly discharged to farmlands to be used as nitrogen fertilizer after being diluted.
In the application, the natural plant component antibacterial preservative solution is used, the ethanol content is higher than 70%, and the flat silk can effectively kill harmful bacteria attached to the silk and feeding the silk in the soaking process. The color of the obtained extract is lighter and the impurities are less after the activated carbon adsorption treatment, which is beneficial to improving the whiteness of silk paper. And secondly, 70% macromolecular sericin reserved on silk paper fully absorbs water and grows up under the excitation of a glycerol aqueous solution, so that the ink absorption and water retention of the paper are obviously improved. During writing, spherical sericin absorbs water rapidly and is swelled by means of the permeation of glycerol, carbon particles in ink are adsorbed on the surface of the protein, and when the ink is dried, the sericin is dehydrated and contracted to generate a large number of protein folds and ravines, so that the carbon particles are firmly locked in the protein, and ink marks are not easy to fade and change color.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a graph showing the comparison of the plate silk before and after washing in accordance with an embodiment of the present invention;
FIG. 2 is a graph showing the gloss comparison of plain silk and silk paper after washing in the example of the present invention;
FIG. 3 is a graph showing the comparison of surface floating of flat silk and silk paper after washing in the example of the present invention;
FIG. 4 is a graph showing comparison between wrinkles on the surfaces of flat silk and silk paper after washing in an embodiment of the present invention;
FIG. 5 is a diagram of a silk paper traditional Chinese painting work in an embodiment of the invention;
FIG. 6 is a diagram of silk paper calligraphy and painting works in an embodiment of the invention;
FIG. 7 is a diagram of the insect-repellent antibacterial liquid in examples 1-3.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The present invention will be described in detail with reference to specific examples.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Example 1
1. Preparation of insect-proof antibacterial liquid
50 Parts of chinaberry bark powder, 10 parts of mugwort wool, 10 parts of mint powder, 40 parts of dispersed rosin size, 900 parts of 95% ethanol and 400 parts of purified water are mixed, and the mixture is rapidly stirred for 10 hours at 50 ℃ to ensure that natural antibacterial insect-preventing compounds such as chinaberry extract, ai Huangtong and peppermint essential oil are fully dissolved in ethanol aqueous solution. Then filtering with 60 mesh, 100 mesh and 200 mesh filter screen sequentially, and adding 80 parts of active carbon powder into the filtrate for adsorbing pigment, macromolecular polysaccharide and soluble protein. Sequentially filtering with 60 mesh, 100 mesh and 200 mesh filter screen to obtain filtrate as antibacterial insect-preventing liquid.
2. Preparation of whitening and softening liquid
Preparing a glycerol aqueous solution with the volume fraction of 10%, adding TiO 2 nano powder with the average particle size of 80nm, enabling the concentration of the TiO2 nano powder to be 10g/L, and uniformly stirring to obtain the whitening and softening liquid.
3. Preparation of antibacterial nanocapsules
Uniformly mixing CO-40 (hydrogenated castor oil polyoxyethylene ether), span-80 (Span 80) and 1, 2-propylene glycol to obtain an emulsifier A;
uniformly mixing the two components according to the mass ratio of the emulsifier A to the plant essential oil (lavender essential oil) =7:3, and stirring for 20min at 30 ℃ to obtain a mixed solution;
and then dropwise adding the chitosan water solution with the mass fraction of 1% into the mixed solution until the solution is clear and transparent, and stirring for 30min to obtain the liquid antibacterial nanocapsule.
Wherein the total mass of CO-40 and Span-80 is 1, 2-propanediol mass = 3:1.
4. The silk paper of this example was prepared as follows:
S1, placing the flat silk in warm water at 50 ℃ by controlling the number of silkworms and the spinning time to obtain flat silk with proper thickness, adding Sodium Dodecyl Sulfate (SDS), urea and Ca (ClO) 2, keeping the temperature and standing for 4 hours, stirring for 10 minutes, removing yellowish ground color on the flat silk, rubbing heavy spot stains with lighter force, adding NaOH, standing for 3 minutes, rubbing to remove stubborn stains on the flat silk, fishing out the flat silk, soaking and cleaning with water for 5 times, spreading on a drying table, and naturally drying, wherein in a soaking solution system, the concentration of urea is 2mol/L, the concentration of Ca (ClO) 2 is 2% w/v, and the mass fraction of NaOH is 5%.
S2, soaking the dried flat silk in the antibacterial insect-proof liquid for 15min, taking out, spreading, airing, repeatedly soaking-airing for 2 times, spreading and drying;
And S3, soaking the flat silk dried in the step S2 in whitening and softening liquid, then taking out, tiling and drying, then spraying antibacterial nanocapsules on one surface, and drying to obtain the silk paper.
Example 2
1. Preparation of insect-proof antibacterial liquid
30 Parts of chinaberry bark powder, 15 parts of wormwood wool, 20 parts of mint powder, 30 parts of dispersed rosin size, 900 parts of 95% ethanol and 400 parts of purified water are mixed, and the mixture is rapidly stirred for 10 hours at 50 ℃ to ensure that natural antibacterial insect-preventing compounds such as chinaberry extract, ai Huangtong and peppermint essential oil are fully dissolved in ethanol aqueous solution. And then filtering sequentially by using 60-mesh, 100-mesh and 200-mesh filter screens, adding 70 parts of active carbon powder into the filtrate, uniformly stirring, and then filtering sequentially by using 60-mesh, 100-mesh and 200-mesh filter screens to obtain the filtrate, namely the antibacterial insect-preventing liquid.
2. Preparation of whitening and softening liquid
Preparing a glycerin aqueous solution with the volume fraction of 20%, adding TiO 2 nano powder with the average particle size of 80nm, enabling the concentration of the TiO 2 nano powder to be 25g/L, and uniformly stirring to obtain the whitening and softening liquid.
3. The silk paper of this example was prepared as follows:
S1, placing the flat silk in warm water at 50 ℃ by controlling the number of silkworms and the spinning time to obtain flat silk with proper thickness, adding Sodium Dodecyl Sulfate (SDS), urea and Ca (ClO) 2, keeping the temperature and standing for 4 hours, stirring for 10 minutes, removing yellowish ground color on the flat silk, rubbing heavy spot stains with lighter force, adding NaOH, standing for 3 minutes, rubbing to remove stubborn stains on the flat silk, fishing out the flat silk, soaking and cleaning with water for 5 times, spreading on a drying table, and naturally drying, wherein in a soaking solution system, the concentration of urea is 2mol/L, the concentration of Ca (ClO) 2 is 2% w/v, and the mass fraction of NaOH is 5%.
S2, soaking the dried flat silk in the antibacterial insect-proof liquid for 15min, taking out, spreading, airing, repeatedly soaking-airing for 2 times, spreading and drying;
S3, soaking the flat silk dried in the step S2 in whitening and softening liquid, then taking out, tiling and drying, then spraying the antibacterial nanocapsules of the embodiment 1 on one surface, and drying to obtain the silk paper.
Example 3
1. Preparation of insect-proof antibacterial liquid
Mixing cortex Meliae powder 80 parts, folium Artemisiae Argyi 10 parts, herba Menthae powder 15 parts, dispersed rosin size 20 parts, 95% ethanol 800 parts, and purified water 400 parts, rapidly stirring at 45deg.C for 10 hr to make natural antibacterial insect-preventing compounds such as margarine, ai Huangtong, and oleum Menthae essential oil fully dissolved in ethanol water solution. And then filtering sequentially by using 60-mesh, 100-mesh and 200-mesh filter screens, adding 80 parts of activated carbon powder into the filtrate, uniformly stirring, and then filtering sequentially by using 60-mesh, 100-mesh and 200-mesh filter screens to obtain the filtrate, namely the antibacterial insect-preventing liquid.
2. Preparation of whitening and softening liquid
Preparing a glycerin aqueous solution with the volume fraction of 20%, adding TiO 2 nano powder with the average particle size of 80nm, enabling the concentration of the TiO 2 nano powder to be 25g/L, and uniformly stirring to obtain the whitening and softening liquid.
3. The silk paper of this example was prepared as follows:
S1, placing the flat silk in warm water at 50 ℃ by controlling the number of silkworms and the spinning time to obtain flat silk with proper thickness, adding Sodium Dodecyl Sulfate (SDS), urea and Ca (ClO) 2, keeping the temperature and standing for 4 hours, stirring for 10 minutes, removing yellowish ground color on the flat silk, rubbing heavy spot stains with lighter force, adding NaOH, standing for 3 minutes, rubbing to remove stubborn stains on the flat silk, fishing out the flat silk, soaking and cleaning with water for 5 times, spreading on a drying table, and naturally drying, wherein in a soaking solution system, the concentration of urea is 2mol/L, the concentration of Ca (ClO) 2 is 2% w/v, and the mass fraction of NaOH is 5%.
S2, soaking the dried flat silk in the antibacterial insect-proof liquid for 15min, taking out, spreading, airing, repeatedly soaking-airing for 2 times, spreading and drying;
S3, soaking the flat silk dried in the step S2 in whitening and softening liquid, then taking out, tiling and drying, then spraying the antibacterial nanocapsules of the embodiment 1 on one surface, and drying to obtain the silk paper.
Example 4
The difference from example 1 is that in this example, the urea concentration in step S1 was 8mol/L, the Ca (ClO) 2 concentration was 5% w/v, and the NaOH mass fraction was 5%. The remainder were the same as in example 1.
Example 5
The difference from example 1 is that in this example, the concentration of urea in step S1 was 1mol/L, the concentration of Ca (ClO) 2 was 1% w/v, and the mass fraction of NaOH was 2%. The remainder were the same as in example 1.
Comparative example 1
The difference from example 1 is that the soaking treatment is not performed with the antibacterial insect repellent liquid, and the other steps are the same as in example 1.
Comparative example 2
The difference from example 1 is that the soaking treatment is not performed with the whitening and softening solution, and the rest steps are the same as those of example 1.
Comparative example 3
The difference from example 1 is that no antibacterial nanocapsule treatment was used, and the rest of the procedure was the same as example 1.
Experimental example
The sericin content and the antibacterial property of each silk paper were measured using the silk papers of examples 1 to 5 and comparative examples 1 to 3 as test subjects, and the results are shown in table 1.
TABLE 1
In conclusion, the silk paper provided by the embodiment of the invention has high sericin content, good antibacterial property and difficult fading and color change.
As can be seen from figures 2-4, the silk paper obtained through the treatment in the steps 2 and 3 has flat, glossy and non-floating surface, and meets the writing requirements.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Claims (5)
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114032691A (en) * | 2021-11-12 | 2022-02-11 | 西南大学 | A kind of flat silk antibacterial composite material and preparation method thereof |
| CN116289291A (en) * | 2021-07-30 | 2023-06-23 | 苏州慈云蚕丝制品有限公司 | Process for preparing plane or three-dimensional artwork based on Chinese herbal medicine mycelium-inhibiting tissue paper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3067661U (en) * | 1999-09-24 | 2000-04-07 | 農林水産省蚕糸・昆虫農業技術研究所長 | Flat silk with cocoon thread |
| CN106831939A (en) * | 2017-01-03 | 2017-06-13 | 王玲燕 | A kind of tussah silk protein extracting method |
| CN112359459B (en) * | 2020-12-11 | 2022-03-11 | 南通楠桥纹织有限公司 | Preparation method of non-uniform yarn towel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116289291A (en) * | 2021-07-30 | 2023-06-23 | 苏州慈云蚕丝制品有限公司 | Process for preparing plane or three-dimensional artwork based on Chinese herbal medicine mycelium-inhibiting tissue paper |
| CN114032691A (en) * | 2021-11-12 | 2022-02-11 | 西南大学 | A kind of flat silk antibacterial composite material and preparation method thereof |
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