CN112401598A - Preparation method of silk quilt - Google Patents
Preparation method of silk quilt Download PDFInfo
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- CN112401598A CN112401598A CN202011162336.XA CN202011162336A CN112401598A CN 112401598 A CN112401598 A CN 112401598A CN 202011162336 A CN202011162336 A CN 202011162336A CN 112401598 A CN112401598 A CN 112401598A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G9/00—Bed-covers; Counterpanes; Travelling rugs; Sleeping rugs; Sleeping bags; Pillows
- A47G9/02—Bed linen; Blankets; Counterpanes
- A47G9/0207—Blankets; Duvets
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
- D01C3/00—Treatment of animal material, e.g. chemical scouring of wool
- D01C3/02—De-gumming silk
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
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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
- D06M13/005—Compositions containing perfumes; Compositions containing deodorants
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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
- D06M13/10—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 oxygen
- D06M13/12—Aldehydes; Ketones
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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
- D06M13/10—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 oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
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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
- D06M13/10—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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
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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
- D06M13/10—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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
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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
- D06M13/325—Amines
- D06M13/342—Amino-carboxylic acids; Betaines; Aminosulfonic acids; Sulfo-betaines
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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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- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
Abstract
The invention relates to the technical field of home textiles, in particular to a preparation method of a silk quilt. The preparation method of the silk quilt comprises the following steps: (1) preparation of silk, (2) refining, (3) rinsing, (4) modification, (5) drying and (6) preparation of silk quilt. The silk quilt prepared by the method has the advantages of high production efficiency, excellent and stable quality, safe operation flow, simple and convenient operation and resource saving, compared with the traditional preparation process, the preparation process time is shortened, the production cost is reduced, the prepared silk has pleasant fragrance, better filling power and tension, good whiteness, and the like, and has the health care functions of antibiosis, mite prevention, insect prevention and the like.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of home textile, and particularly relates to a preparation method of a silk quilt.
[ background of the invention ]
Silk is a natural fiber, cellulose has the reputation of "second skin of the human body", and is known in the industry as "fiber queen". The main component of the fiber is pure natural animal protein fiber, 87 percent of the fiber has a structure similar to human skin, and contains various amino acids necessary for human body. Silk floss has the advantages of softness, air permeability, moisture absorption, lightness, no itching, static resistance and the like, and is called as the best raw material for manufacturing quilts. Therefore, the silk quilt has the unique quality and advantages of close-fitting warm keeping, fluffy and soft property, air permeability, health care and the like. According to the China silk Association, the sales of silk quilts are continuously increasing at a rate of 20-30% per year. With the improvement of the living standard of residents, the silk quilt is more and more popular among consumers.
However, many common silk quilts are available in the market at present, but silk floss has unstable filling power and tension, and natural aromatic silk with health care functions of resisting bacteria, preventing mites, preventing insects and the like is less, and moreover, indexes such as luster, color, hand feeling, texture and the like of the silk quilts available in the market at present are not ideal.
[ summary of the invention ]
In view of the above, the present invention aims to provide a method for preparing a silk quilt, wherein the silk quilt prepared by the method has the advantages of high production efficiency, excellent and stable quality, safe operation process, simple operation and resource saving.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a preparation method of a silk quilt comprises the following steps:
(1) preparation of silk: placing 5-year-old silkworms on a flat spinning bed, taking down the silkworms after spinning is finished, and removing impurities to obtain silk for later use;
(2) refining: drying the silk obtained in the step (1), then soaking the dried silk into deionized water at a bath ratio of 1:55, and then carrying out water degumming treatment for 25-30min under the conditions of high temperature and high pressure;
(3) rinsing: washing the degummed silk obtained in the step (2) with deionized water at the temperature of 45-55 ℃ for 3-5 times, and then washing with deionized water at the temperature of 15-20 ℃ for 1-2 times; removing sericin remained on the surface of the silk, dehydrating in a spin dryer, and drying at 45-50 deg.C until the water content is 18-20%;
(4) modification: placing the silk rinsed in the step (3) in a distillation layer of a steamer, adding white vinegar with the water mass of 3-6% into water in the steamer, wherein the acidity of the white vinegar can separate the adhered silk to play a softening role, cooking for 10-15min at the temperature of 60-63 ℃, adding citric acid with the water mass of 5-8% into the water in the steamer to further decompose the adhered part of the silk, so that the silk is more fluffy and soft, the comfort level is improved, and cooking for 8-10min at the temperature of 65-70 ℃; uniformly spraying additives on the silk, replacing water in a steamer with clear water, and cooking at 50-55 ℃ for 3-5min to obtain modified silk for later use;
(5) and (3) drying: drying the silk modified in the step (4) at 45-50 ℃ until the water content is 10-13% to obtain dry silk for later use;
(6) preparing a silk quilt: stretching and spreading the dried silk into a plurality of layers, uniformly spraying a scented agent between each layer, flattening by a cotton kneading machine, sequentially sewing the external strips on the external surface of the silk quilt body through a sewing machine, sewing the coating strips on the external surface of the silk quilt body, sewing and connecting the two ends of the coating strips with the external strips to obtain a quilt body, and sleeving a proper quilt cover on the external surface of the quilt body to obtain a finished product of the silk quilt.
In the present invention, further, the silkworm feeding density in the step (1) is: 3kg of silkworms are thrown into the flat plate spinning bed per square meter. In addition, after silkworms are placed on the flat plate spinning bed, the silkworms are kept to have uniform scattered light in the spinning chamber so as to promote the silkworms to be uniformly distributed on the flat plate spinning bed, and after the silkworms normally spin, the flat plate spinning bed is covered with black, so that the silkworms spin quietly on the weak light shrimps. The reason why the silkworm feeding density is limited is that if the silkworm feeding density is too high and the urination per unit area is too much, the normal silking time is delayed, the physical consumption of the silkworm is increased, the silking amount of the silkworm is reduced, and the quality of silk is reduced.
In the invention, the drying treatment of the step (2) is drying at 50-60 ℃ for 20-30min, and then drying at 65-68 ℃ for 35-40 min.
In the invention, further, the degumming treatment conditions in the step (2) are as follows: the temperature is 115 ℃ and 125 ℃, and the pressure is 0.1-0.18 MPa.
In the invention, further, the additive in the step (4) is composed of the following raw materials in parts by weight: 6-12 parts of bezoar, 5-10 parts of tuckahoe, 5-10 parts of mulberry bark and 6-12 parts of patchouli.
In the invention, the aromatic agent in the step (6) is composed of the following raw materials in parts by weight: 10-20 parts of lemon essential oil, 8-16 parts of thyme essential oil and 1-3 parts of ethylene glycol.
The preparation method of the essential oil comprises the following steps: the preparation method of the lemon essential oil comprises the following steps: taking fresh lemon peel, pricking an oil sac on the lemon peel with a pricked object, leaving fruit oil on the surface of the peel, spraying water on the surface of the peel to obtain an oil-water mixture with the oil content of 0.8-1.5%, centrifuging for 2-4min at the rotation speed of 8200rpm and the temperature of 80-100 ℃ to obtain crude oil, and centrifuging the crude oil for 5-7min at the rotation speed of 6800rpm and the temperature of 80-100 ℃ to obtain lemon essential oil; the preparation method of the thyme essential oil comprises the following steps: pulverizing herba Thymi, adding 4-9 times of water, shaking, adding zeolite, heating to boil, maintaining for 80-100min, stopping heating, standing, cooling to obtain volatile oil, adding the volatile oil into volatile oil extractor, drying, and concentrating under reduced pressure to obtain herba Thymi essential oil.
In the invention, further, the preparation method of the additive is as follows: mixing dried calculus bovis, Poria, cortex Mori, and herba Agastaches, pulverizing, sieving with 60-80 mesh sieve to obtain mixed powder, adding 8-10 times of ethanol solution with volume concentration of 60-70% into the mixed powder, standing, soaking for 22-24 hr, and concentrating the soaking solution to 1/2 of original volume to obtain the additive.
In the invention, further, the degumming treatment conditions are as follows: the temperature is 120 ℃ and the pressure is 0.15 MPa.
The quilt prepared from the silk has the advantages that the silk has multiple beneficial effects due to the characteristics of the silk, the thermal conductivity is extremely low, the heat insulation performance is good, and no static electricity exists, so that the silk quilt has excellent heat retention property. 38% of the structure of the silk is hollow, and gaps are formed among the silks, so that the silk quilt has good air permeability, a human body can breathe freely in the silk quilt, and people cannot feel stuffy; the sericin and fibroin components of the silk contain 18 amino acids, and the fine molecules emitted by the amino acids are called sleep factors, so that the nerves of a person can be in a stable state, the person feels comfortable and natural, and the sleep quality is improved; the mulberry silk is purely natural animal fiber, has good hygroscopicity, can balance temperature and humidity, adjust microenvironment and keep skin moisture balance, and plays a role in moisturizing and protecting skin by the action of 18 amino acids; in addition, the natural mulberry silk contains a substance called hydrophilic side amino acid, can absorb moisture in the air, is discharged, maintains the dryness of the quilt, and is particularly beneficial to rheumatism, arthritis and skin diseases.
The invention has at least the following beneficial effects:
1. the silk quilt prepared by the method has the advantages of high production efficiency, excellent and stable quality, safe operation flow, simple and convenient operation and resource saving, compared with the traditional preparation process, the preparation process time is shortened, the production cost is reduced, the prepared silk has faint scent and no peculiar smell, the filling power and the tension are better, the whiteness is good, and the silk quilt has the health care functions of antibiosis, mite prevention, insect prevention and the like.
2. According to the silk quilt disclosed by the invention, in the preparation process, the selected silk raw material is the silk obtained by spinning silkworms on a flat silk spinning bed, the silk obtained in the mode is separated from the silkworm chrysalis, no grease secreted by the silkworm chrysalis exists in the refining process, the oil content is far lower than 1.5% of the national standard of GB/T24252-2009 silk quilt, the silk quilt cannot generate peculiar smell due to the silkworm oil in the using process and is not hardened and shrunk, the service life of the silk quilt is greatly prolonged, and the close-fitting comfort of the silk quilt is increased.
3. In the refining step, the silk quilt is dried before degumming treatment, and compared with the prior art (the silk quilt is directly soaked in water or is subjected to moisture absorption and swelling), the degumming process can be better promoted by using the urea carried by the silk as a catalyst.
4. The silk quilt has the advantages that the silk is modified, special effects are given to the silk, firstly, the silk is placed in a distillation layer of a steamer and is boiled by mixing white vinegar with water, the humidification effect can be achieved in the boiling process, meanwhile, the temperature is controlled to be 60-63 ℃, the water content is kept, meanwhile, the reasonable temperature is controlled, and the silk quality of the silk is prevented from being denatured when meeting high temperature in a high-temperature sterilization environment; then, citric acid is added into the water in the steamer, so that the adhered part of the silk can be further decomposed, the silk is more fluffy and soft, the comfort level is improved, and the silk-softening agent has the advantages of high softening degree, safety, no pollution, low processing cost and the like; finally, after the additive is sprayed on the treated silk, water in a steamer is replaced by clear water and is continuously boiled for 3-5min at the temperature of 50-55 ℃, wherein the pogostemon cablin in the additive is matched with mulberry bark and has the effect of resisting pathogenic microorganisms, and in addition, flavonoid components of the additive have the effect of inhibiting rhinoviruses and volatile oil components of the additive also have a certain effect of inhibiting staphylococcus aureus; the bezoar and the tuckahoe can provide amino acid components, interact with the original 18 amino acids in the fibroin, emit micro molecules of sleep factors, can enable human nerves to be in a more stable state, enable people to feel comfortable and natural, improve sleep quality and supplement the amino acid lost in the degumming process; the combination of various components not only can sterilize, but also can balance hormone secretion system; can promote metabolism of body, and help to relieve mental and physical fatigue; the additive composed of the plant-derived sterilization components can effectively sterilize the silk, and the silk is permeated into the silk and retained, so that the long-term bacteriostasis and sterilization effects are achieved, and the additive is high in sterilization rate, green, environment-friendly and high in safety.
5. The silk quilt of the invention sprays the aromatic agent on the silk, and the aromatic agent consisting of a plurality of plant essential oils can play the roles of enhancing brain activity, refreshing mind and promoting physical and mental pleasure; in addition, the ethylene glycol is added into the aromatic, so that the volatilization rate of the aromatic can be reduced, the slow release effect is realized, the aroma retention time is prolonged, and the aroma can be uniformly and stably released.
[ detailed description ] embodiments
The following examples may help one skilled in the art to more fully understand the present invention, but are not intended to limit the invention in any way.
Example 1:
this example provides a method for preparing a silk quilt, including the following steps:
(1) preparation of silk: placing 5-year-old silkworms on a flat spinning bed, taking down the silkworms after spinning is finished, and removing impurities to obtain silk for later use; the silkworm feeding density is as follows: 3kg of silkworms are thrown into the flat plate spinning bed per square meter. In addition, after silkworms are put on the flat plate spinning bed, the silkworms are kept to have uniform scattered light in the spinning chamber so as to promote the silkworms to be uniformly distributed on the flat plate spinning bed, and after the silkworms normally spin, the flat plate spinning bed is covered with black, so that the silkworms spin quietly on the weak light shrimps;
(2) refining: drying the silk obtained in the step (1), then soaking the dried silk into deionized water at a bath ratio of 1:55, and then carrying out water degumming treatment for 25min under the conditions of high temperature and high pressure; wherein the drying treatment comprises drying at 50 deg.C for 20min, and drying at 65 deg.C for 35 min; the degumming treatment conditions are as follows: the temperature is 115 ℃ and the pressure is 0.1 Mpa;
(3) rinsing: washing the degummed silk obtained in the step (2) with deionized water at the temperature of 45 ℃ for 3 times, and then washing with deionized water at the temperature of 15 ℃ for 1 time; removing sericin remained on the surface of the silk, dehydrating in a drier, and drying at 45 deg.C until the water content is 18%;
(4) modification: placing the silk rinsed in the step (3) in a distillation layer of a steamer, adding white vinegar with the water mass of 3% into water in the steamer, wherein the acid property of the white vinegar can separate the adhered silk to play a softening role, cooking for 10min at the temperature of 60 ℃, adding citric acid with the water mass of 5% into the water in the steamer, and decomposing the adhered part of the silk in one step to make the silk more fluffy and soft, so that the comfort level is improved, and cooking for 8min at the temperature of 65 ℃; uniformly spraying additives on the silk, replacing water in a steamer with clear water, and steaming at 50 ℃ for 3min to obtain modified silk for later use; wherein the additive comprises the following raw materials in parts by weight: 6 parts of bezoar, 5 parts of tuckahoe, 5 parts of mulberry bark and 6 parts of patchouli; the preparation method of the additive comprises the following steps: mixing dried calculus bovis, Poria, cortex Mori, and herba Agastaches, pulverizing, sieving with 60 mesh sieve to obtain mixed powder, adding ethanol solution with volume concentration of 60% 8 times of the mixed powder, standing, soaking for 22h, and concentrating the soaking solution to 1/2 of the original volume to obtain the additive;
(5) and (3) drying: drying the silk modified in the step (4) at 45 ℃ until the water content is 10% to obtain dry silk for later use;
(6) preparing a silk quilt: stretching and spreading the dried silk into a plurality of layers, uniformly spraying a scented agent between each layer, flattening by a cotton kneading machine, sequentially sewing external connecting strips on the outer side surface of the silk quilt body through a sewing machine, sewing the coating strips on the outer side surface of the silk quilt body, sewing and connecting the two ends of the coating strips with the external connecting strips to obtain a quilt body, and sleeving a proper quilt cover on the outer side surface of the quilt body to obtain a finished product of the silk quilt; the aromatic agent is prepared from the following raw materials in parts by weight: 10 parts of lemon essential oil, 8 parts of thyme essential oil and 1 part of ethylene glycol.
Example 2:
this example provides a method for preparing a silk quilt, including the following steps:
(1) preparation of silk: placing 5-year-old silkworms on a flat spinning bed, taking down the silkworms after spinning is finished, and removing impurities to obtain silk for later use; the silkworm feeding density is as follows: 3kg of silkworms are thrown into the flat plate spinning bed per square meter. In addition, after silkworms are put on the flat plate spinning bed, the silkworms are kept to have uniform scattered light in the spinning chamber so as to promote the silkworms to be uniformly distributed on the flat plate spinning bed, and after the silkworms normally spin, the flat plate spinning bed is covered with black, so that the silkworms spin quietly on the weak light shrimps;
(2) refining: drying the silk obtained in the step (1), then soaking the dried silk into deionized water at a bath ratio of 1:55, and then carrying out water degumming treatment for 27min under the conditions of high temperature and high pressure; wherein the drying treatment comprises drying at 55 deg.C for 25min, and drying at 65-68 deg.C for 37 min; the degumming treatment conditions are as follows: the temperature is 120 ℃, and the pressure is 0.15 Mpa;
(3) rinsing: washing the degummed silk obtained in the step (2) with deionized water at the temperature of 50 ℃ for 4 times, and then washing with 17 ℃ deionized water for 2 times; removing sericin remained on the surface of the silk, dehydrating in a drier, and drying at 47 deg.C until the water content is 19%;
(4) modification: placing the silk rinsed in the step (3) in a distillation layer of a steamer, adding white vinegar with the water mass of 4% into water in the steamer, wherein the acid property of the white vinegar can separate the adhered silk to play a softening role, cooking for 12min at the temperature of 62 ℃, adding citric acid with the water mass of 7% into the water in the steamer, and decomposing the adhered part of the silk in one step to make the silk more fluffy and soft, improving the comfort level, and cooking for 9min at the temperature of 67 ℃; uniformly spraying additives on the silk, replacing water in a steamer with clear water, and cooking for 4min at 52 ℃ to obtain modified silk for later use; wherein the additive comprises the following raw materials in parts by weight: 8 parts of bezoar, 7 parts of tuckahoe, 7 parts of mulberry bark and 8 parts of patchouli; the preparation method of the additive comprises the following steps: mixing dried calculus bovis, Poria, cortex Mori, and herba Agastaches, pulverizing, sieving with 70 mesh sieve to obtain mixed powder, adding ethanol solution with volume concentration of 65% 9 times of the mixed powder, standing, soaking for 23 hr, and concentrating the soaking solution to 1/2 of the original volume to obtain the additive;
(5) and (3) drying: drying the silk modified in the step (4) at 47 ℃ until the water content is 12% to obtain dry silk for later use;
(6) preparing a silk quilt: stretching and spreading the dried silk into a plurality of layers, uniformly spraying a scented agent between each layer, flattening by a cotton kneading machine, sequentially sewing external connecting strips on the outer side surface of the silk quilt body through a sewing machine, sewing the coating strips on the outer side surface of the silk quilt body, sewing and connecting the two ends of the coating strips with the external connecting strips to obtain a quilt body, and sleeving a proper quilt cover on the outer side surface of the quilt body to obtain a finished product of the silk quilt; the aromatic agent is prepared from the following raw materials in parts by weight: 15 parts of lemon essential oil, 12 parts of thyme essential oil and 2 parts of ethylene glycol.
Example 3:
this example provides a method for preparing a silk quilt, including the following steps:
(1) preparation of silk: placing 5-year-old silkworms on a flat spinning bed, taking down the silkworms after spinning is finished, and removing impurities to obtain silk for later use; the silkworm feeding density is as follows: 3kg of silkworms are thrown into the flat plate spinning bed per square meter. In addition, after silkworms are put on the flat plate spinning bed, the silkworms are kept to have uniform scattered light in the spinning chamber so as to promote the silkworms to be uniformly distributed on the flat plate spinning bed, and after the silkworms normally spin, the flat plate spinning bed is covered with black, so that the silkworms spin quietly on the weak light shrimps;
(2) refining: drying the silk obtained in the step (1), then soaking the dried silk into deionized water at a bath ratio of 1:55, and then carrying out water degumming treatment for 30min under the conditions of high temperature and high pressure; wherein the drying treatment comprises drying at 60 deg.C for 30min, and drying at 68 deg.C for 40 min; the degumming treatment conditions are as follows: the temperature is 125 ℃, and the pressure is 0.18 Mpa;
(3) rinsing: washing the degummed silk obtained in the step (2) with deionized water at the temperature of 55 ℃ for 5 times, and then washing with deionized water at the temperature of 20 ℃ for 2 times; removing sericin remained on the surface of the silk, dehydrating in a drier, and drying at 50 deg.C until the water content is 20%;
(4) modification: placing the silk rinsed in the step (3) in a distillation layer of a steamer, adding white vinegar with water mass of 6% into water in the steamer, wherein the acid property of the white vinegar can separate the adhered silk to play a softening role, cooking for 15min at 63 ℃, adding citric acid with water mass of 8% into the water in the steamer, and decomposing the adhered part of the silk in one step to make the silk more fluffy and soft, so that the comfort level is improved, and cooking for 10min at 70 ℃; uniformly spraying additives on the silk, replacing water in a steamer with clear water, and cooking for 5min at the temperature of 55 ℃ to obtain modified silk for later use; wherein the additive comprises the following raw materials in parts by weight: 12 parts of bezoar, 10 parts of tuckahoe, 10 parts of mulberry bark and 12 parts of patchouli; the preparation method of the additive comprises the following steps: mixing dried calculus bovis, Poria, cortex Mori, and herba Agastaches, pulverizing, sieving with 80 mesh sieve to obtain mixed powder, adding ethanol solution with volume concentration of 70% 10 times of the mixed powder, standing, soaking for 24 hr, and concentrating the soaking solution to 1/2 of original volume to obtain the additive;
(5) and (3) drying: drying the silk modified in the step (4) at 50 ℃ until the water content is 13% to obtain dry silk for later use;
(6) preparing a silk quilt: stretching and spreading the dried silk into a plurality of layers, uniformly spraying a scented agent between each layer, flattening by a cotton kneading machine, sequentially sewing external connecting strips on the outer side surface of the silk quilt body through a sewing machine, sewing the coating strips on the outer side surface of the silk quilt body, sewing and connecting the two ends of the coating strips with the external connecting strips to obtain a quilt body, and sleeving a proper quilt cover on the outer side surface of the quilt body to obtain a finished product of the silk quilt; the aromatic agent is prepared from the following raw materials in parts by weight: 20 parts of lemon essential oil, 16 parts of thyme essential oil and 3 parts of ethylene glycol.
Effect verification
To illustrate the utility value of the present application, the applicant conducted the following comparative experiments:
test one: testing the influence of refining mode on degumming effect
The following groups are provided:
a first group: the refining mode described in example 2;
second group: the drying step was eliminated and the other steps were carried out exactly in the refining mode described in example 2;
third group: removing the step of drying treatment, soaking the silk in deionized water, and washing the silk once with water, wherein other modes are strictly carried out according to the embodiment 2;
and a fourth group: parameters of the high-temperature high-pressure degumming treatment are modified as follows: the temperature is 100 ℃, the pressure is 0.18Mpa, the time is 40min, and other modes are strictly carried out according to the embodiment 2;
and a fifth group: the drying step was eliminated and the silk was washed once with water before being soaked in deionized water and then added with 2.0mol/L aqueous urea solution, otherwise exactly as in example 2
A sixth group: the refining mode is modified into the mode of degumming by adopting an alkali degumming mode, the temperature is 95 ℃, the pH value is 9.5-10.5, and the used alkali solution is sodium carbonate;
a seventh group: the refining mode is modified into acid degumming mode, the temperature is 95 ℃, the pH value is 4.5-5.5, and the acid solution is 6g/l tartaric acid;
and an eighth group: modifying the refining mode into degumming mode by boiling water, and boiling silk in boiling water for 50-60 min;
ninth group: blank control group
The degumming effect of the silk in the above groups is considered, and the recorded data are shown in table 1:
TABLE 1 comparison of degumming results
As can be seen from table 1, the refining method of the present application has the best degumming effect, and in the seventh group, the degumming rate reaches 26.08 (the sericin content of silk is generally 23-25%), which indicates that tartaric acid may be used as the degumming agent, and the silk fibroin is damaged while the sericin is removed in the degumming process, so that the degumming degree is not as complete as possible, and the purpose of refining the present application is to control the sericin to be removed as far as possible without damaging the silk fibroin.
And (2) test II: testing each index of each group of silk quilt
The following groups are provided:
a first group: silk quilt obtained in the preparation manner of example 2;
second group: the spraying operation with the additives removed, otherwise carried out exactly as in example 2;
third group: the fragrance was removed and the other procedure was exactly as in example 2;
and a fourth group: the modification step is as follows: placing the rinsed silk in the step (3) into a distillation layer of a steamer, adding white vinegar with the water mass of 3% into water in the steamer, and cooking for 10min at the temperature of 60 ℃; uniformly spraying additives on the silk, replacing water in a steamer with clear water, and steaming at 50 ℃ for 3min to obtain modified silk for later use; the composition and preparation of the additive are as described in example 2, otherwise exactly as in example 2;
and a fifth group: placing the rinsed silk in the step (3) into a distillation layer of a steamer, adding citric acid with the water mass of 5% into water in the steamer, and cooking for 8min at the temperature of 65 ℃; uniformly spraying additives on the silk, replacing water in a steamer with clear water, and steaming at 50 ℃ for 3min to obtain modified silk for later use; the composition and preparation of the additive are as described in example 2, otherwise exactly as in example 2;
a sixth group: the preparation steps of the silk are modified as follows: manually screening raw silkworm cocoons, selecting double-cocoon cocoons, and removing thin-shell cocoons and silkworm cocoons with more impurities.
The applicant carried out the measurements of compressibility, recovery, oil content and moisture regain on the silk floss obtained from the above six groups, and the results are shown in the following table 2:
TABLE 2 indexes of silk quilts
| Treatment group | Compression ratio (%) | Recovery (%) | Oil content (%) | Moisture regain (%) |
| First group | 66.9 | 98.5 | 0.02 | 6.2 |
| Second group | 61.8 | 93.6 | 0.12 | 7.9 |
| Third group | 62.3 | 94.7 | 0.11 | 6.9 |
| Fourth step ofGroup of | 58.2 | 90.3 | 0.27 | 7.1 |
| Fifth group | 58.5 | 91.5 | 0.25 | 7.3 |
| Sixth group | 61.0 | 92.3 | 1.15 | 7.6 |
As can be seen from table 2, the silk quilt prepared by the preparation method of the present invention has a large compression ratio, and the compression ratio of the silk cotton reflects the bulkiness of the silk quilt to a certain extent, and the larger the compression ratio is, the better the bulkiness is, and the surface of the silk quilt prepared by the method of example 2 of the present invention can effectively improve the bulkiness of the product; the recovery rate of the silk floss reflects the elasticity of the silk floss, and the higher the recovery rate is, the better the elasticity is, which indicates that the elasticity is improved to a great extent; the lower the oil content of silk floss, the smaller the odor of pupa oil remained on silk floss, and the indexes of the silk quilt of the invention are all better than those of the silk quilts obtained from other groups which are not in the protection scope of the embodiment 2 of the invention.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (8)
1. A preparation method of a silk quilt is characterized by comprising the following steps:
(1) preparation of silk: placing 5-year-old silkworms on a flat spinning bed, taking down the silkworms after spinning is finished, and removing impurities to obtain silk for later use;
(2) refining: drying the silk obtained in the step (1), then soaking the dried silk into deionized water at a bath ratio of 1:55, and then carrying out water degumming treatment for 25-30min under the conditions of high temperature and high pressure;
(3) rinsing: washing the degummed silk obtained in the step (2) with deionized water at the temperature of 45-55 ℃ for 3-5 times, and then washing with deionized water at the temperature of 15-20 ℃ for 1-2 times; removing sericin remained on the surface of the silk, dehydrating in a spin dryer, and drying at 45-50 deg.C until the water content is 18-20%;
(4) modification: placing the rinsed silk in the step (3) into a distillation layer of a steamer, adding white vinegar accounting for 3-6% of the water mass of the silk into water in the steamer, cooking for 10-15min at the temperature of 60-63 ℃, adding citric acid accounting for 5-8% of the water mass of the silk into the water in the steamer, and cooking for 8-10min at the temperature of 65-70 ℃; uniformly spraying additives on the silk, replacing water in a steamer with clear water, and cooking at 50-55 ℃ for 3-5min to obtain modified silk for later use;
(5) and (3) drying: drying the silk modified in the step (4) at 45-50 ℃ until the water content is 10-13% to obtain dry silk for later use;
(6) preparing a silk quilt: stretching and spreading the dried silk into a plurality of layers, uniformly spraying a scented agent between each layer, flattening by a cotton kneading machine, sequentially sewing the external strips on the external surface of the silk quilt body through a sewing machine, sewing the coating strips on the external surface of the silk quilt body, sewing and connecting the two ends of the coating strips with the external strips to obtain a quilt body, and sleeving a proper quilt cover on the external surface of the quilt body to obtain a finished product of the silk quilt.
2. The method for preparing silk quilt according to claim 1, characterized in that the silkworm in the step (1) is thrown at the density: 3kg of silkworms are thrown into the flat plate spinning bed per square meter.
3. The method for preparing silk quilt according to claim 1, characterized in that the drying treatment of step (2) is drying at 50-60 deg.C for 20-30min, and then drying at 65-68 deg.C for 35-40 min.
4. The method for preparing silk quilt according to claim 1, characterized in that the degumming conditions in step (2) are as follows: the temperature is 115 ℃ and 125 ℃, and the pressure is 0.1-0.18 MPa.
5. The method for preparing the silk quilt according to claim 1, wherein the additive in the step (4) is prepared from the following raw materials in parts by weight: 6-12 parts of bezoar, 5-10 parts of tuckahoe, 5-10 parts of mulberry bark and 6-12 parts of patchouli.
6. The preparation method of the silk quilt according to claim 1, wherein the aromatic agent in the step (6) is composed of the following raw materials in parts by weight: 10-20 parts of lemon essential oil, 8-16 parts of thyme essential oil and 1-3 parts of ethylene glycol.
7. The method for preparing silk quilt according to claim 5, characterized in that the additive is prepared by the following steps: mixing dried calculus bovis, Poria, cortex Mori, and herba Agastaches, pulverizing, sieving with 60-80 mesh sieve to obtain mixed powder, adding 8-10 times of ethanol solution with volume concentration of 60-70% into the mixed powder, standing, soaking for 22-24 hr, and concentrating the soaking solution to 1/2 of original volume to obtain the additive.
8. The method for preparing silk quilt according to claim 4, characterized in that the degumming conditions are as follows: the temperature is 120 ℃ and the pressure is 0.15 MPa.
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