CN108589306B - Preparation method of highly antique silk cultural relics - Google Patents
Preparation method of highly antique silk cultural relics Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000243 solution Substances 0.000 claims abstract description 63
- 230000032683 aging Effects 0.000 claims abstract description 49
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 108090000790 Enzymes Proteins 0.000 claims abstract description 24
- 102000004190 Enzymes Human genes 0.000 claims abstract description 24
- 238000002791 soaking Methods 0.000 claims abstract description 21
- 239000012153 distilled water Substances 0.000 claims abstract description 20
- 230000007480 spreading Effects 0.000 claims abstract description 15
- 239000007864 aqueous solution Substances 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 6
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims abstract description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims abstract description 6
- 230000001954 sterilising effect Effects 0.000 claims abstract description 6
- 229940088598 enzyme Drugs 0.000 claims description 23
- 238000005406 washing Methods 0.000 claims description 20
- 108090000317 Chymotrypsin Proteins 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000007853 buffer solution Substances 0.000 claims description 15
- 229960002376 chymotrypsin Drugs 0.000 claims description 15
- 239000012670 alkaline solution Substances 0.000 claims description 10
- 235000019441 ethanol Nutrition 0.000 claims description 7
- 230000009849 deactivation Effects 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- LMKRBMOPEYXGRA-UHFFFAOYSA-N 8-[[4-(2,4-dimethoxyphenyl)piperazin-1-yl]methyl]-5,7-dihydroxy-3-(4-hydroxyphenyl)chromen-4-one Chemical group COC1=C(C=CC(=C1)OC)N1CCN(CC1)CC1=C(C=C(C=2C(C(=COC=21)C1=CC=C(C=C1)O)=O)O)O LMKRBMOPEYXGRA-UHFFFAOYSA-N 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000006731 degradation reaction Methods 0.000 abstract description 6
- 239000003513 alkali Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 230000002431 foraging effect Effects 0.000 abstract 1
- 230000000415 inactivating effect Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 7
- -1 (4- (2, 4-dimethoxyphenyl) piperazine-1-yl) methyl Chemical group 0.000 description 3
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- 108010013296 Sericins Proteins 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008049 biological aging Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005464 sample preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
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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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
-
- 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
- D06M10/00—Physical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. ultrasonic, corona discharge, irradiation, electric currents, or magnetic fields; Physical treatment combined with treatment with chemical compounds or elements
- D06M10/001—Treatment with visible light, infrared or ultraviolet, X-rays
-
- 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
- D06M11/68—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof
- D06M11/70—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 phosphorus or compounds thereof, e.g. with chlorophosphonic acid or salts thereof with oxides of phosphorus; with hypophosphorous, phosphorous or phosphoric 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
-
- 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
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
Abstract
The invention discloses a preparation method of highly antique silk cultural relics, which belongs to the field of protection of silk cultural relics, and is characterized in that modern silk samples are soaked, cleaned and dried by using an ethanol aqueous solution; spreading the dried silk, soaking in alkali liquor A, cleaning, and sterilizing with high pressure steam; spreading the silk, completely immersing the silk in the solution B, placing the silk in a sterile thermotank, inactivating enzyme, and cleaning the silk with sodium carboxymethylcellulose aqueous solution; spreading silk on a smooth glass plate, and placing the glass plate in an ultraviolet damp-heat aging box to irradiate under an ultraviolet lamp; the silk sample is taken out and placed in a constant-temperature aging box for aging, distilled water is sprayed on the silk sample once at intervals to obtain a highly antique substitute cultural relic sample, the comprehensive influences of alkali, temperature, humidity, light, mold and the like of the real cultural relic in the environment are simulated to the maximum extent by adopting a modern rapid comprehensive aging and degradation method of the silk sample, and the prepared sample and the real cultural relic have extremely high similarity in the organizational structure, the microstructure and the physical and chemical properties.
Description
Technical Field
The invention relates to a preparation method of a silk relic, in particular to a preparation method of a high antique silk relic, belonging to the field of protection of silk relics.
Background
The silk cultural relics are important carriers for understanding and researching the silk cultural relics in the past, most of the silk existing in the world is excavated from graves, the unearthed cultural relics are rare and are regarded as precious material evidence of the historical cultural relics of the Chinese nationality, and as is known, in most of the silk fabric cultural relic protection research works, various physical, chemical or biological tests are required to be carried out on the cultural relics, the cultural relics are all destructive, so that the real silk cultural relics cannot be easily used for the cultural relic protection research works, and therefore, the silk sample preparation method capable of replacing the real cultural relics is extremely important to find.
Since silk cultural relics are buried under the ground all the year round, through comprehensive influences of temperature, humidity, acid-base property of soil, oxidation, bacteria, mold and the like, silk becomes rotten after being aged for hundreds of years or even thousands of years, the existing preparation method of the highly-imitated silk cultural relics is single, such as alkali aging, heat aging, damp-heat aging, embedding aging, light aging and the like, the aging effect is very obvious, but each method can only simulate one characteristic of aging of the real silk cultural relics, cannot reflect the real aging process of the silk after historical change, and can really simulate the silk aging to reach the few of the organization structure, the micro-morphology and the physicochemical characteristic of the real cultural relics at present.
Disclosure of Invention
The invention aims to solve the problems in the prior art, adopts a modern method for rapid aging and degradation of silk samples, maximally simulates the comprehensive influence of alkali, temperature, humidity, light, mould and the like of real cultural relics in the environment, and prepares the high antique substituted silk cultural relics with extremely high similarity to the real cultural relics in the organizational structure, the micro-morphology and the physicochemical characteristics.
A preparation method of a highly antique silk cultural relic comprises the following preparation steps:
step 1): adding 5-10 parts by weight of modern silk sample into 400-500 parts by weight of ethanol aqueous solution, soaking for 5-8min, washing for 2-3 times by using deionized water after soaking, and naturally drying at 25-35 ℃;
step 2): spreading the dried modern silk sample in the step 1) and soaking in an alkaline solution A at the temperature of 25-30 ℃ for 24-36h, washing with distilled water for 4-6 times after soaking until the pH of the washing solution is 7, washing with absolute ethyl alcohol twice, and then sterilizing with high-pressure steam;
step 3): adding 800 parts of 500-plus buffer solution into the mixed solution of chymotrypsin and enzyme promoter by mass to prepare solution B, spreading and completely immersing the modern silk sample treated in the step 2) into the solution B, placing the solution B in a sterile constant temperature box at 36 +/-2 ℃ for 6 days, then placing the solution B at 115-plus 125 ℃ for enzyme deactivation, and cleaning the solution B for 2-3 times by using sodium carboxymethylcellulose aqueous solution with the mass fraction of 1.5-2%;
step 4): spreading the modern silk sample treated in the step 3) on a smooth glass plate, placing the smooth glass plate in an ultraviolet damp-heat aging box, and uniformly irradiating for 48-60 hours under 4 ultraviolet lamps of 15 w;
step 5): aging the modern silk sample treated in the step 4) in a constant temperature aging box at the temperature of 150-160 ℃ for 6-8 days, spraying distilled water to the silk sample once every 18-24 hours, and cleaning the silk sample with absolute ethyl alcohol for 1-2 times after aging treatment to obtain the highly antique silk.
As an improvement, the warp density of the modern silk sample in the step 1) comprises 400-500 warp yarns, and the weft density of the modern silk sample comprises 500-600 weft yarns, wherein each warp yarn and each weft yarn is 10cm in length and 0.1-0.2mm in diameter.
As an improvement, the volume ratio of the absolute ethyl alcohol to the distilled water in the ethanol aqueous solution in the step 1) is 15-20: 80.
as an improvement, the alkaline solution A in the step 2) is one or two of NaOH solution with the mass fraction of 3% -5% and KOH solution with the mass fraction of 3% -5%.
As an improvement, the buffer solution in the step 3) is prepared from 0.2mol/L of Na2HPO4Solution, 0.2mol/L NaH2PO4The solution B is prepared by mixing solutions, the content of chymotrypsin in the solution B is 1/5000 of the mass of the buffer solution, and the content ratio of the enzyme accelerator to the chymotrypsin in the solution B is 2-3: 1.
as an improvement, the enzyme promoter is 8- ((4- (2, 4-dimethoxyphenyl) piperazin-1-yl) methyl) -5, 7-dihydroxy-3- (4-hydroxyphenyl) -4H-benzopyran-4-one.
As an improvement, the temperature in the aging box in the step 4) is 55-60 ℃, and the relative humidity is 50-60%.
As an improvement, the amount of the distilled water sprayed in the step 5) is 2-4ml/100cm2。
The invention has the beneficial effects that: has the similar organizational structure, micro-morphology and physicochemical characteristics of ancient real silk cultural relics; the method adopts the modern silk sample to degrade and age into a highly antique surrogate text sample, and because the aging degradation of the internal structure is well protected due to the existence of sericin on the surface of the silk, firstly, the silk sample is degraded by alkali liquor, and a surface sericin protective layer is slightly damaged; the enzyme can simulate the biological aging state of silk when the silk is buried underground to the maximum extent, and the mild enzyme promoter can accelerate the enzyme aging time without generating serious destructiveness; by combining the light-moisture-heat degradation scheme, the similarity between the aged sample and the unearthed ancient silk cultural relics in the tissue structure, the micro-morphology and the physicochemical properties is extremely high; strictly controlling aging temperature, concentration, time and the like, accelerating the aging and deterioration process but not making the similarity of the aged sample and the real cultural relic sample have a larger difference; the traditional single aging degradation method is abandoned, an enzyme-light-heat-humidity comprehensive efficient aging degradation method is adopted, the aging condition is strictly controlled, and the prepared high-imitation cultural relic sample can be used for researching the aging mechanism of the cultural relic, and indexes such as microstructure, tensile strength, elongation, crystallinity, aging resistance, organic groups and the like have extremely high similarity with real cultural relics; the method for preparing the high antique silk cultural relic sample has the advantages of short time, high efficiency, low cost, simple and convenient operation and the like.
Detailed Description
The present invention will be further described with reference to specific embodiments, but the embodiments of the present invention are not limited to the following examples.
Example 1
A preparation method of a highly antique silk cultural relic is characterized by comprising the following preparation steps:
step 1): adding 5 parts of modern silk sample into 400 parts of ethanol aqueous solution for soaking for 5min, washing for 2 times by using deionized water after soaking, naturally airing at 25 ℃, wherein the volume ratio of absolute ethanol to distilled water in the ethanol aqueous solution is 15: 80, the high antique generation silk is formed by aging a modern silk sample, the warp density of the modern silk sample comprises 400 warps, the weft density of the modern silk sample comprises 500 wefts, the length of each warp and each weft is 10cm, and the diameter of each warp and each weft is 0.1 mm;
step 2): spreading and soaking the modern silk sample dried in the step 1) in an alkaline solution A at the temperature of 25 ℃ for 24 hours, wherein the alkaline solution A is one or two of a NaOH solution with the mass fraction of 3% and a KOH solution with the mass fraction of 3%, washing the silk sample for 4 times after soaking until the PH of the washing solution is 7, washing the silk sample for two times by using absolute ethyl alcohol, and then sterilizing the silk sample by using high-pressure steam;
step 3): adding 500 parts of buffer solution into a mixed solution of chymotrypsin and enzyme promoter according to the parts by weight to prepare a solution B, wherein the buffer solution is 0.2mol/L of Na2HPO4Solution, 0.2mol/L NaH2PO4The solution is prepared by mixing, the content of the chymotrypsin in the solution B is 1/5000 of the mass of the buffer solution, and the content ratio of the enzyme accelerator to the chymotrypsin in the solution B is 2: 1, an enzyme promoter is 8- ((4- (2, 4-dimethoxyphenyl) piperazine-1-yl) methyl) -5, 7-dihydroxy-3- (4-hydroxyphenyl) -4H-benzopyran-4-ketone, the modern silk sample treated in the step 2) is tiled and completely immersed in the solution B, the solution B is placed in a sterile thermostat at 36 ℃ for 6 days, and the solution B is washed for 2 times by sodium carboxymethylcellulose water solution with the mass fraction of 1.5 percent after enzyme deactivation at 115 ℃;
step 4): flatly spreading the modern silk sample treated in the step 3) on a smooth glass plate, placing the smooth glass plate in an ultraviolet damp-heat ageing oven, wherein the temperature in the ageing oven is 55 ℃, the relative humidity is 50-60%, and uniformly irradiating for 48 hours under 4 ultraviolet lamps with the weight of 15 w;
step 5): aging the modern silk sample treated in the step 4) in a constant-temperature aging oven at 150 ℃ for 6 days, and spraying distilled water to the silk sample at intervals of 18 hours, wherein the amount of the distilled water sprayed to the silk sample is 2ml/100cm2，After aging treatment, the silk is washed for 1 time by absolute ethyl alcohol to obtain the highly antique silk.
Example 2
A preparation method of a highly antique silk cultural relic comprises the following preparation steps:
step 1): adding 7.5 parts of modern silk sample into 450 parts of ethanol water solution according to the parts by weight, soaking for 7min, washing for 2 times by using deionized water after soaking, and naturally airing at the temperature of 30 ℃, wherein the volume ratio of absolute ethanol to distilled water in the ethanol water solution is 18: 80, the high antique generation silk is formed by aging a modern silk sample, the warp density of the modern silk sample comprises 450 warp yarns, the weft density of the modern silk sample comprises 550 weft yarns, the length of each warp yarn and each weft yarn is 10cm, and the diameter of each warp yarn and each weft yarn is 0.15 mm;
step 2): spreading the dried modern silk sample in the step 1) and soaking in an alkaline solution A at the temperature of 27 ℃ for 30 hours, wherein the alkaline solution A is one or two of a NaOH solution with the mass fraction of 3% -5% and a KOH solution with the mass fraction of 4%, washing with distilled water for 5 times after soaking until the pH of the washing solution is 7, washing with absolute ethyl alcohol twice, and then sterilizing with high-pressure steam;
step 3): according to the mass parts, 700 parts of buffer solution is added into the mixed solution of chymotrypsin and enzyme promoter to prepare solution B, and the buffer solution is 0.2mol/L of Na2HPO4Solution, 0.2mol/L NaH2PO4The solution is prepared by mixing, the content of the chymotrypsin in the solution B is 1/5000 of the mass of the buffer solution, and the content ratio of the enzyme accelerator to the chymotrypsin in the solution B is 2.5: 1, the enzyme accelerator is 8- ((4- (2, 4-dimethoxyphenyl) piperazine-1-yl) methyl) -5, 7-dihydroxy-3- (4-hydroxyphenyl) -4H-benzopyran-4-ketone, the modern silk sample treated in the step 2) is tiled and completely immersed in the solution B, the solution B is placed in a sterile thermostat at 37 ℃ for 6 days, and the solution B is washed for 2 times by sodium carboxymethylcellulose water solution with the mass fraction of 1.7 percent after enzyme deactivation at 120 ℃;
step 4): spreading the modern silk sample treated in the step 3) on a smooth glass plate, placing the smooth glass plate in an ultraviolet damp-heat aging box, wherein the temperature in the aging box is 57 ℃, the relative humidity is 55%, and uniformly irradiating for 54 hours under 4 ultraviolet lamps with the weight of 15 w;
step 5): aging the modern silk sample treated in the step 4) in a constant-temperature aging oven at 155 ℃ for 7 days, and spraying distilled water to the silk sample once every 21 hours, wherein the amount of the distilled water sprayed is 3ml/100cm2After aging treatment, the silk is washed for 1 time by absolute ethyl alcohol to obtain the highly antique silk.
Example 3
A preparation method of a highly antique silk cultural relic is characterized by comprising the following preparation steps:
step 1): adding 10 parts by mass of modern silk sample into 500 parts by mass of ethanol aqueous solution, soaking for 8min, washing with deionized water for 3 times after soaking, naturally airing at 35 ℃, wherein the volume ratio of absolute ethanol to distilled water in the ethanol aqueous solution is 20: 80, the high antique generation silk is formed by aging a modern silk sample, the warp density of the modern silk sample comprises 500 warp yarns, the weft density of the modern silk sample comprises 500-600 weft yarns, the length of each warp yarn and each weft yarn is 10cm, and the diameter of each warp yarn and each weft yarn is 0.2 mm;
step 2): spreading the dried modern silk sample in the step 1) and soaking in an alkaline solution A at the temperature of 30 ℃ for 36 hours, wherein the alkaline solution A is one or two of a NaOH solution with the mass fraction of 5% and a KOH solution with the mass fraction of 5%, washing for 6 times by using distilled water after soaking until the PH of the washing solution is 7, washing for two times by using absolute ethyl alcohol, and then sterilizing by using high-pressure steam;
step 3): adding 800 parts of buffer solution into a mixed solution of chymotrypsin and enzyme promoter according to the parts by weight to prepare a solution B, wherein the buffer solution is 0.2mol/L of Na2HPO4Solution, 0.2mol/L NaH2PO4The solution is prepared by mixing, the content of the chymotrypsin in the solution B is 1/5000 of the mass of the buffer solution, and the content ratio of the enzyme accelerator to the chymotrypsin in the solution B is 3: 1, the enzyme accelerator is 8- ((4- (2, 4-dimethoxyphenyl) piperazine-1-yl) methyl) -5, 7-dihydroxy-3- (4-hydroxyphenyl) -4H-benzopyran-4-ketone, the modern silk sample treated in the step 2) is tiled and completely immersed in the solution B, placed in a sterile thermostat at 38 ℃ for 6 days, and then placed at 125 ℃ for enzyme deactivation, and washed for 3 times by using sodium carboxymethylcellulose aqueous solution with the mass fraction of 1.5% -2%;
step 4): spreading the modern silk sample treated in the step 3) on a smooth glass plate, placing the smooth glass plate in an ultraviolet damp-heat aging box, wherein the temperature in the aging box is 60 ℃, the relative humidity is 60%, and uniformly irradiating for 60 hours under 4 ultraviolet lamps with the weight of 15 w;
step 5): aging the modern silk sample treated in the step 4) in a constant-temperature aging oven at 160 ℃ for 8 days, and spraying distilled water to the silk sample at intervals of 24 hours, wherein the amount of the distilled water sprayed to the silk sample is 4ml/100cm2，After aging treatment, the silk is washed for 2 times by absolute ethyl alcohol to obtain the highly antique silk.
Finally, it should be noted that the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the invention.
Claims (5)
1. A preparation method of a highly antique silk cultural relic is characterized by comprising the following preparation steps:
step 1): adding 5-10 parts by weight of modern silk sample into 400-500 parts by weight of ethanol aqueous solution, soaking for 5-8min, washing for 2-3 times by using deionized water after soaking, and naturally drying at 25-35 ℃; the volume ratio of absolute ethyl alcohol to distilled water in the ethyl alcohol water solution is 15-20: 80;
step 2): spreading the dried modern silk sample in the step 1) and soaking in an alkaline solution A at the temperature of 25-30 ℃ for 24-36h, washing with distilled water for 4-6 times after soaking until the pH value of the washing solution is 7, washing with absolute ethyl alcohol twice, and then sterilizing with high-pressure steam;
step 3): adding 800 parts of 500-plus buffer solution into the mixed solution of chymotrypsin and enzyme promoter by mass to prepare solution B, spreading and completely immersing the modern silk sample treated in the step 2) into the solution B, placing the solution B in a sterile constant temperature box at 36 +/-2 ℃ for 6 days, then placing the solution B at 115-plus 125 ℃ for enzyme deactivation, and cleaning the solution B for 2-3 times by using sodium carboxymethylcellulose aqueous solution with the mass fraction of 1.5-2%;
step 4): spreading the modern silk sample treated in the step 3) on a smooth glass plate, placing the smooth glass plate in an ultraviolet damp-heat aging box, and uniformly irradiating for 48-60 hours under 4 ultraviolet lamps of 15 w; in the step 4), the temperature in the aging box is 55-60 ℃, and the relative humidity is 50-60%;
step 5): aging the modern silk sample treated in the step 4) in a constant-temperature aging box at the temperature of 150-160 ℃ for 6-8 days, spraying distilled water to the silk sample once every 18-24 hours, and cleaning the silk sample with absolute ethyl alcohol for 1-2 times after aging treatment to obtain the highly antique substituted silk; in the step 5), the amount of the distilled water sprayed each time is 2-4ml/100cm2。
2. The method for preparing the highly antique silk relic, according to the claim 1, wherein the warp density of the modern silk relic in the step 1) comprises 500 warps of 400-.
3. The method for preparing the highly antique silk antiquity according to claim 1, wherein in the step 2), the alkaline solution A is one or two of a NaOH solution with the mass fraction of 3% -5% and a KOH solution with the mass fraction of 3% -5%.
4. The method for preparing highly antique silk relics according to claim 1, wherein the buffer solution in the step 3) is prepared from 0.2mol/L of Na2HPO4Solution, 0.2mol/L NaH2PO4The solution B is prepared by mixing solutions, the content of chymotrypsin in the solution B is 1/5000 of the mass of the buffer solution, and the content ratio of the enzyme accelerator to the chymotrypsin in the solution B is 2-3: 1.
5. the method for preparing highly antiquated silk relics, according to claim 1, wherein the enzyme promoter is 8- ((4- (2, 4-dimethoxyphenyl) piperazin-1-yl) methyl) -5, 7-dihydroxy-3- (4-hydroxyphenyl) -4H-benzopyran-4-one.
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| CN108589306B true CN108589306B (en) | 2021-01-12 |
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| CN112662559B (en) * | 2021-01-06 | 2023-09-29 | 浙江理工大学 | Preparation method of aged silk sample and aged sample liquid for exploring microbial degradation mechanism of ancient silk |
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| CN107326698A (en) * | 2017-07-21 | 2017-11-07 | 浙江理工大学 | It is a kind of to simulate the method for removing Ancient Silk Textile exogenous strontium |
| CN107354756A (en) * | 2017-08-04 | 2017-11-17 | 浙江理工大学 | Print paints the enzyme aging method of class silk weaving historical relic in a kind of simulation grave |
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| CN107326698A (en) * | 2017-07-21 | 2017-11-07 | 浙江理工大学 | It is a kind of to simulate the method for removing Ancient Silk Textile exogenous strontium |
| CN107354756A (en) * | 2017-08-04 | 2017-11-17 | 浙江理工大学 | Print paints the enzyme aging method of class silk weaving historical relic in a kind of simulation grave |
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| A new consolidation system for aged silk fabrics: effect of reactive epoxide-ethylene glycol diglycidyl ether;Dun Huang et al.;《Reactive & Functional Polymers》;20120905;第168-174页 * |
| 丝织品生物老化以及结构性能研究;曾渊;《中国优秀硕士学位论文全文数据库 工程科技I辑》;20170715(第07期);第4和9页 * |
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