CN117737866A - Color cocoon processing and color preserving manufacturing method - Google Patents
Color cocoon processing and color preserving manufacturing method Download PDFInfo
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- CN117737866A CN117737866A CN202311769233.3A CN202311769233A CN117737866A CN 117737866 A CN117737866 A CN 117737866A CN 202311769233 A CN202311769233 A CN 202311769233A CN 117737866 A CN117737866 A CN 117737866A
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- cocoons
- color
- silkworm
- fixing liquid
- pigment fixing
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 241000255789 Bombyx mori Species 0.000 claims abstract description 51
- 239000000049 pigment Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 230000008595 infiltration Effects 0.000 claims abstract description 19
- 238000001764 infiltration Methods 0.000 claims abstract description 19
- 238000002791 soaking Methods 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 12
- 241000382353 Pupa Species 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 239000004902 Softening Agent Substances 0.000 claims description 3
- 239000004067 bulking agent Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract 1
- 108010013296 Sericins Proteins 0.000 description 9
- 230000014759 maintenance of location Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000005406 washing Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 235000008708 Morus alba Nutrition 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 102000034238 globular proteins Human genes 0.000 description 1
- 108091005896 globular proteins Proteins 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention is applicable to the technical field of silkworm cocoon processing and color preservation, and provides a color silkworm cocoon processing and color preservation manufacturing method, which comprises the following steps: step one, a step one; removing pupa, and removing internal silkworm pupa by cocoon stripping; step two: dehydrating, and removing the moisture contained in the cocoons in the first step by using a re-drying method; step three: soaking, namely soaking the silkworm cocoons with the moisture removed in the second step in the pigment fixing liquid; step four: vacuum infiltration, namely performing vacuum infiltration treatment on the cocoons soaked in the third step by using a vacuum infiltration device; step five: and (3) spraying in vacuum, and spraying pigment fixing liquid on the surface of the silkworm cocoons when the step four is performed. The beneficial effects of the invention are as follows: when the pigment fixing liquid is absorbed, the pigment fixing liquid can be absorbed more rapidly, and the gaps among the colored silkworm cocoons are more obvious by changing the atmospheric pressure, so that the pigment fixing liquid which is convenient to spray enters the colored silkworm cocoons and is absorbed more efficiently, the stability of the pigment is better, and the loss speed of the pigment is reduced.
Description
Technical Field
The invention relates to the technical field of silkworm cocoon processing and color preservation, in particular to a color silkworm cocoon processing and color preservation manufacturing method.
Background
The color silkworm cocoon is a kind of color silkworm seed capable of being used in feeding natural color silkworm cocoon through digesting pigment in mulberry leaf and adhering to the silkworm seed, continuous hybridization and gene optimization.
The color in the colored cocoons is mainly concentrated in the sericin, however, because the sericin is spherical protein with good water solubility, a large amount of sericin is discharged along with waste water in processes such as cocoon cooking and the like in the traditional cocoon processing and treating processes and the later refining processes, so that color loss and fading of the color contained in the colored cocoons are avoided, color retention and fixation treatment is required to be carried out on the colored cocoons before the colored cocoons are processed, and the phenomenon that the color cocoons fade before the subsequent processing is avoided, and the quality of the final finished products is influenced.
Therefore, how to provide a color cocoon processing and color preserving manufacturing method is a problem to be solved by the skilled person.
Disclosure of Invention
The invention aims to provide an environment-friendly dredging device.
According to the embodiment of the invention, the environment-friendly dredging device comprises the following steps:
step one, a step one; removing pupa, and removing internal silkworm pupa by cocoon stripping;
step two: dehydrating, and removing the moisture contained in the cocoons in the first step by using a re-drying method;
step three: soaking, namely soaking the silkworm cocoons with the moisture removed in the second step in the pigment fixing liquid;
step four: vacuum infiltration, namely performing vacuum infiltration treatment on the cocoons soaked in the third step by using a vacuum infiltration device;
step five: spraying in vacuum, and spraying pigment fixing liquid on the surface of the silkworm cocoons when the step four is performed;
step six: rinsing to remove impurities, soaking cocoons treated in the fourth step and the fifth step in low-temperature plasma water, and vibrating by ultrasonic equipment;
step seven: and (3) drying and dewatering, namely drying and dewatering the cocoons in the step (six), so as to finally obtain the colorful cocoons which are bright, stable in quality and good in color fastness.
During operation, silkworm chrysalis in silkworm cocoons is removed, dehydration is carried out to strengthen water absorption, pigment fixing liquid is placed into the silkworm cocoons to be soaked for a period of time, the silkworm cocoons are taken out and placed into a vacuum infiltration device to be subjected to low-pressure fixation treatment, residual pigment fixing liquid and sericin on the silkworm cocoons are removed by low-temperature plasma water and ultrasonic equipment, and drying treatment is carried out again, so that colorful silkworm cocoons with bright and bright color, stable quality and good color fastness are obtained.
Preferably, the working temperature of the vacuum re-drying method in the second step is 30 ℃, and the dehydration time is 1min.
And removing the water in the cocoons under the condition of not affecting the performances of sericin.
Preferably, the temperature of the pigment fixing solution in the third step is 40-50 ℃ constant temperature soaking, and the soaking time is 15-20min.
And (3) placing the dehydrated cocoons in pigment fixing liquid for soaking, and absorbing and fixing colors.
Preferably, the pigment fixing solution in the third step comprises a mixture of 2% sodium hydroxide, 1.5% bulking agent and 3% softening agent.
Sodium hydroxide is added to strengthen the fixation capacity of the cocoons, the swelling agent is used for improving the water absorbability of the cocoons, and the softening agent enables the cocoons to be more silky and smooth.
Preferably, the working temperature of the vacuum infiltration device in the fourth step is 49-51 ℃, the working pressure is 0.2MPa, and the duration is 8min.
The vacuum infiltration device changes the working air pressure, so that gaps on the surface of the cocoons become larger, and the dye fixing liquid is convenient to enter.
Preferably, the components of the pigment fixing liquid sprayed in the fifth step are the same as those of the pigment fixing liquid in the third step, the temperature is 45-50 ℃, and the spraying time is 6min.
And (3) performing secondary spraying on the cocoons with the gaps enlarged, so as to perform secondary fixation.
Preferably, the temperature of the low-temperature plasma water in the step six is 15 ℃.
The pigment fixing liquid and the redundant sericin on the surface of the colored cocoons are removed by the low-temperature plasma water, so that the cocoons are more silky and harmless.
The beneficial effects of the invention are as follows: the water in the color cocoons is maximally removed under the condition that the properties of sericin are not changed, so that the color cocoons are in a water-deficient state, the water absorption performance of the color cocoons is improved, the color cocoons are absorbed more rapidly when pigment fixing liquid is absorbed later, the gaps between the silk of the color cocoons are more obvious by changing the atmospheric pressure, the conveniently sprayed pigment is fixed into the color cocoons and absorbed more efficiently, the stability of the pigment is better, and the loss speed of the pigment is reduced.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a schematic process flow diagram of a color silk cocoon processing and color preserving manufacturing method provided by the invention.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
Embodiment one:
when the color retention is carried out, silkworm chrysalis in the silkworm cocoons is removed, the silkworm cocoons are placed in a dryer, the working temperature is set to be 30 ℃, dehydration is carried out for 1min, the moisture contained in the silkworm cocoons is removed by 40%, the dryness of the silkworm cocoons is increased, the water absorbability of the silkworm cocoons is enhanced, the silkworm cocoons are taken out and placed in pigment fixing liquid at the temperature of 40 ℃ for constant temperature soaking for 15min, so that the silkworm cocoons can absorb water rapidly, the pigment fixing liquid on the surfaces of the silkworm cocoons is enabled to be softened and expanded, the hydrophilicity of sericin is changed, the adhesive force on the surfaces of the silkworm cocoons is reduced, the loss of the contained pigment is avoided, the silkworm cocoons are taken out and placed in a vacuum infiltration device, and then the air pressure is reduced to 0.2MPa. And keeping the internal temperature at 49 ℃ and then working for 8min, so that the gaps among cocoon filaments become larger due to the change of air pressure, starting a spraying device in a vacuum infiltration device, continuously spraying pigment fixing liquid at 45 ℃ for 6min, enabling the pigment fixing liquid to penetrate into the cocoon, enabling the cocoon to be in contact with the pigment fixing liquid more comprehensively, further enhancing the color retention effect, placing the cocoon subjected to vacuum infiltration treatment into low-temperature plasma water at 15 ℃, starting ultrasonic equipment, removing residual pigment fixing liquid and impurities on the surface of the cocoon, and then drying and dewatering in a dryer, so that the cocoon with good color retention effect is finally obtained.
Embodiment two:
when the color retention is carried out, silkworm chrysalis in the silkworm cocoons is removed, the silkworm cocoons are placed in a dryer, the working temperature is set to be 30 ℃, dehydration is carried out for 1min, the moisture contained in the silkworm cocoons is removed by 40%, the dryness of the silkworm cocoons is increased, the water absorbability of the silkworm cocoons is enhanced, the silkworm cocoons are taken out and placed in pigment fixing liquid at the temperature of 50 ℃ for constant temperature soaking for 20min, so that the silkworm cocoons can absorb water rapidly, the pigment fixing liquid on the surfaces of the silkworm cocoons is enabled to be softened and expanded, the hydrophilicity of sericin is changed, the adhesive force on the surfaces of the silkworm cocoons is reduced, the loss of the contained pigment is avoided, the silkworm cocoons are taken out and placed in a vacuum infiltration device, and then the air pressure is reduced to 0.2MPa. And keeping the internal temperature at 51 ℃ and then working for 8min, so that the gaps among cocoon filaments become larger due to the change of air pressure, starting a spraying device in a vacuum infiltration device, continuously spraying pigment fixing liquid at 50 ℃ for 6min, enabling the pigment fixing liquid to penetrate into the cocoon, enabling the cocoon to be in contact with the pigment fixing liquid more comprehensively, further enhancing the color retention effect, placing the cocoon subjected to vacuum infiltration treatment into low-temperature plasma water at 15 ℃, starting ultrasonic equipment, removing residual pigment fixing liquid and impurities on the surface of the cocoon, and then drying and dewatering in a dryer, so that the cocoon with good color retention effect is finally obtained.
| Color difference with original | Fastness to washing | |
| Example 1 | 5％ | 3.25 |
| Example two | 8％ | 3.15 |
| Color silkworm cocoon | 0％ | 1.6 |
| Color silkworm cocoon processed by traditional method | 80％ | 3.35 |
As can be seen from the two examples and the tables, in the same working environment and time of the dryer, the color of the obtained final product of the colored silkworm cocoons is closest to the color of the unprocessed colored silkworm cocoons when the vacuum permeation device is at 49 ℃ and the temperature of the pigment fixing liquid is 45 ℃ and the soaking time is 15min, and the color fastness of the water washing is best when the water washing is detected for a plurality of times at the later stage.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The color silk cocoon processing and color preserving manufacturing method is characterized by comprising the following steps of:
step one, a step one; removing pupa, and removing internal silkworm pupa by cocoon stripping;
step two: dehydrating, and removing the moisture contained in the cocoons in the first step by using a re-drying method;
step three: soaking, namely soaking the silkworm cocoons with the moisture removed in the second step in the pigment fixing liquid;
step four: vacuum infiltration, namely performing vacuum infiltration treatment on the cocoons soaked in the third step by using a vacuum infiltration device;
step five: spraying in vacuum, and spraying pigment fixing liquid on the surface of the silkworm cocoons when the step four is performed;
step six: rinsing to remove impurities, soaking cocoons treated in the fourth step and the fifth step in low-temperature plasma water, and vibrating by ultrasonic equipment;
step seven: and (3) drying and dewatering, namely drying and dewatering the cocoons in the step (six), so as to finally obtain the colorful cocoons which are bright, stable in quality and good in color fastness.
2. The method for processing and preserving color of colored cocoons according to claim 1, wherein the working temperature of the vacuum re-drying method in the second step is 30 ℃ and the dehydration time is 1min.
3. The method for processing and preserving color of colored cocoons according to claim 1, wherein the temperature of the pigment fixing solution in the third step is 40-50 ℃ constant temperature soaking, and the soaking time is 15-20min.
4. The method for producing color-preserving processed cocoons according to claim 1, wherein the pigment fixing liquid in the third step comprises a mixture of 2% sodium hydroxide, 1.5% bulking agent and 3% softening agent.
5. The method for processing and preserving color of colored cocoons according to claim 1, wherein the working temperature of the vacuum infiltration device in the fourth step is 49-51 ℃, the working pressure is 0.2MPa, and the duration is 8min.
6. The method for processing and preserving color of colored cocoons according to claim 3, wherein the components of the pigment fixing liquid sprayed in the fifth step are the same as those of the pigment fixing liquid sprayed in the third step, the temperature is 45-50 ℃, and the spraying time is 6min.
7. The method for producing color cocoons according to claim 3, wherein the temperature of the plasma water at the low temperature in the step six is 15 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311769233.3A CN117737866A (en) | 2023-12-21 | 2023-12-21 | Color cocoon processing and color preserving manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311769233.3A CN117737866A (en) | 2023-12-21 | 2023-12-21 | Color cocoon processing and color preserving manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117737866A true CN117737866A (en) | 2024-03-22 |
Family
ID=90260530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311769233.3A Pending CN117737866A (en) | 2023-12-21 | 2023-12-21 | Color cocoon processing and color preserving manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117737866A (en) |
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2023
- 2023-12-21 CN CN202311769233.3A patent/CN117737866A/en active Pending
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