CN113529319A - Efficient printing and dyeing process - Google Patents
Efficient printing and dyeing process Download PDFInfo
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- CN113529319A CN113529319A CN202010308878.7A CN202010308878A CN113529319A CN 113529319 A CN113529319 A CN 113529319A CN 202010308878 A CN202010308878 A CN 202010308878A CN 113529319 A CN113529319 A CN 113529319A
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- fabric
- dyeing
- drying
- desizing
- grey cloth
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- 238000004043 dyeing Methods 0.000 title claims abstract description 41
- 238000007639 printing Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000004744 fabric Substances 0.000 claims abstract description 120
- 238000001035 drying Methods 0.000 claims abstract description 26
- 238000009990 desizing Methods 0.000 claims abstract description 19
- 238000004061 bleaching Methods 0.000 claims abstract description 16
- 238000009999 singeing Methods 0.000 claims abstract description 16
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 15
- 238000009835 boiling Methods 0.000 claims abstract description 11
- 238000005406 washing Methods 0.000 claims description 15
- 239000000243 solution Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 10
- 238000002791 soaking Methods 0.000 claims description 9
- 239000003513 alkali Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 206010004542 Bezoar Diseases 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 5
- 238000007603 infrared drying Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 238000009958 sewing Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 102000004190 Enzymes Human genes 0.000 claims description 2
- 108090000790 Enzymes Proteins 0.000 claims description 2
- 241000282414 Homo sapiens Species 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 241000894006 Bacteria Species 0.000 abstract description 2
- 238000009395 breeding Methods 0.000 abstract description 2
- 230000001488 breeding effect Effects 0.000 abstract description 2
- 239000000975 dye Substances 0.000 description 12
- 239000004753 textile Substances 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000979 synthetic dye Substances 0.000 description 1
Classifications
-
- 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
- D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
-
- 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
-
- 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
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
- D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
-
- 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
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C9/00—Singeing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06G—MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
- D06G1/00—Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
- D06L1/14—De-sizing
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Coloring (AREA)
Abstract
The invention discloses a high-efficiency printing and dyeing process, which comprises the following steps: s1: grey cloth; s2: singeing; s3: desizing, S4: boiling, S5: bleaching, S6: dyeing, S7: antibacterial treatment, S8: fixation, S9: drying and S10: and finishing the whole printing and dyeing process. The product fabric prepared by the method is beneficial to the health of human bodies, is green and pollution-free, and is subjected to twice color fixation treatment after dyeing and printing, so that the color fastness of the fabric obtained by printing and dyeing is higher, the breeding and reproduction of bacteria can be effectively inhibited in use, and the dyed fabric has good fastness and good antibacterial performance.
Description
Technical Field
The invention relates to the technical field of printing and dyeing, in particular to an efficient printing and dyeing process.
Background
The textile printing and dyeing technology is the most popular and extensive process technology created by human beings, the textile printing and dyeing technology is ubiquitous in all parts and areas of China, the process flows of all the areas have certain similarity, and meanwhile, the textile printing and dyeing technology also has certain regional ethnic character, and various ethnic cultures and ethnic characteristics of China are reflected. In recent years, with the rapid development of economy in China, the textile printing and dyeing technology in China enters a high-speed development period, the textile and printing and dyeing equipment and technical level are greatly improved, the production technology and equipment are continuously updated and improved, but the problem of wastewater pollution generated in the process of the printing and dyeing textile industry at the present stage still needs to be solved urgently. The main reasons for pollution in the printing and dyeing process are that the waste water generated by the chemical synthetic dye has high content of organic pollutants, high alkalinity and complex components, the raw material for manufacturing the ecological textile dye is natural plant pigment, and the plant pigment is taken from plant flowers, fruits, leaves, barks and tree roots, so the ecological textile dye has the advantages of no pollution to the environment, no harm to the health of human bodies and the like, but the ecological textile dye has the defects of complex extraction process, difficult batch production, low color fastness and the like.
Disclosure of Invention
The invention aims to provide an efficient printing and dyeing process aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the high-efficiency printing and dyeing process is characterized by comprising the following steps:
s1: grey cloth: selecting and inspecting the fabric, and then taking the coiled grey fabric to unwind on an unwinding machine;
s2: singeing: performing ash and impurity removal, front and back inspection and grey cloth head sewing on the unwound grey cloth, and then sending the sewn grey cloth to a singeing machine for singeing treatment to remove burrs and hair balls on the grey cloth, so as to obtain singed fabric;
s3: desizing: desizing the singed fabric to obtain a desized fabric;
s4: boiling: boiling the fabric in a high-temperature weak alkali solution to remove impurities of the fabric, so that the dye is conveniently adsorbed and dispersed;
s5: bleaching: dipping the boiled fabric into bleaching liquid for washing and bleaching to obtain a bleached fabric, then washing with cold water for 4-5 times to remove the salt content in the fabric, and finally washing and drying;
s6: dyeing: dyeing the fabric obtained in the step (5) by using a dye;
s7: and (3) antibacterial treatment: soaking the dyed fabric in an antibacterial solution at normal temperature for 60-80 minutes;
s8: and (3) fixation: dehydrating the fabric obtained in the step (6), then reducing and cleaning for 4-6 times by using an alkaline aqueous solution containing sodium hydrosulfite, and widening and shaping by using an opening machine after re-dehydration;
s9: drying: placing the impregnated fabric into an infrared drying device for pre-drying, and then placing the pre-dried fabric into a drying cylinder for drying treatment;
s10: and (3) finished product: and (5) packaging the fabric obtained in the step (9) to obtain a finished fabric product.
Further, the desizing method in the step (3) is hot water desizing or alkali desizing or enzyme desizing.
Further, the dyeing direction in the step (6) is to dip the bleached fabric into a dye with the temperature of 60-70 ℃, then heat up to 75 ℃ at the speed of 1 ℃/min, preserve heat for 10min, then heat up to 110 ℃ at the speed of 1 ℃/min, then preserve heat for 3min, then heat up to 125 ℃ at the speed of 1 ℃/min, preserve heat for 30min, finally cool down to 60 ℃ at the speed of 2 ℃/min, preserve heat for 10min, and finish dyeing.
The invention has the beneficial effects that:
the product fabric prepared by the method is beneficial to the health of human bodies, is green and pollution-free, and is subjected to twice color fixation treatment after dyeing and printing, so that the color fastness of the fabric obtained by printing and dyeing is higher, the breeding and reproduction of bacteria can be effectively inhibited in use, and the dyed fabric has good fastness and good antibacterial performance.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1
An efficient printing and dyeing process comprises the following steps:
s1: grey cloth: selecting and inspecting the fabric, and then taking the coiled grey fabric to unwind on an unwinding machine;
s2: singeing: performing ash and impurity removal, front and back inspection and grey cloth head sewing on the unwound grey cloth, and then sending the sewn grey cloth to a singeing machine for singeing treatment to remove burrs and hair balls on the grey cloth, so as to obtain singed fabric;
s3: desizing: desizing the singed fabric to obtain a desized fabric;
s4: boiling: boiling the fabric in a high-temperature weak alkali solution to remove impurities of the fabric, so that the dye is conveniently adsorbed and dispersed;
s5: bleaching: dipping the boiled fabric into bleaching liquid for washing and bleaching to obtain a bleached fabric, then washing with cold water for 4-5 times to remove the salt content in the fabric, and finally washing and drying;
s6: dyeing: soaking the bleached fabric into a dye with the temperature of 60 ℃, then heating to 75 ℃ at the speed of 1 ℃/min, preserving heat for 10min, then heating to 110 ℃ at the speed of 1 ℃/min, then preserving heat for 3min, then heating to 125 ℃ at the speed of 1 ℃/min, preserving heat for 30min, finally cooling to 60 ℃ at the speed of 2 ℃/min, preserving heat for 10min, and finishing dyeing;
s7: and (3) antibacterial treatment: soaking the dyed fabric in an antibacterial solution at normal temperature for 60-80 minutes;
s8: and (3) fixation: dehydrating the fabric obtained in the step (6), then reducing and cleaning for 4-6 times by using an alkaline aqueous solution containing sodium hydrosulfite, and widening and shaping by using an opening machine after re-dehydration;
s9: drying: placing the impregnated fabric into an infrared drying device for pre-drying, and then placing the pre-dried fabric into a drying cylinder for drying treatment;
s10: and (3) finished product: and (5) packaging the fabric obtained in the step (9) to obtain a finished fabric product.
Example 2
An efficient printing and dyeing process comprises the following steps:
s1: grey cloth: selecting and inspecting the fabric, and then taking the coiled grey fabric to unwind on an unwinding machine;
s2: singeing: performing ash and impurity removal, front and back inspection and grey cloth head sewing on the unwound grey cloth, and then sending the sewn grey cloth to a singeing machine for singeing treatment to remove burrs and hair balls on the grey cloth, so as to obtain singed fabric;
s3: desizing: desizing the singed fabric to obtain a desized fabric;
s4: boiling: boiling the fabric in a high-temperature weak alkali solution to remove impurities of the fabric, so that the dye is conveniently adsorbed and dispersed;
s5: bleaching: dipping the boiled fabric into bleaching liquid for washing and bleaching to obtain a bleached fabric, then washing with cold water for 4-5 times to remove the salt content in the fabric, and finally washing and drying;
s6: dyeing: soaking the bleached fabric into a dye with the temperature of 70 ℃, then heating to 75 ℃ at the speed of 1 ℃/min, preserving heat for 10min, then heating to 110 ℃ at the speed of 1 ℃/min, then preserving heat for 3min, then heating to 125 ℃ at the speed of 1 ℃/min, preserving heat for 30min, finally cooling to 60 ℃ at the speed of 2 ℃/min, preserving heat for 10min, and finishing dyeing;
s7: and (3) antibacterial treatment: soaking the dyed fabric in an antibacterial solution at normal temperature for 60-80 minutes;
s8: and (3) fixation: dehydrating the fabric obtained in the step (6), then reducing and cleaning for 4-6 times by using an alkaline aqueous solution containing sodium hydrosulfite, and widening and shaping by using an opening machine after re-dehydration;
s9: drying: placing the impregnated fabric into an infrared drying device for pre-drying, and then placing the pre-dried fabric into a drying cylinder for drying treatment;
s10: and (3) finished product: and (5) packaging the fabric obtained in the step (9) to obtain a finished fabric product.
Example 3
An efficient printing and dyeing process comprises the following steps:
s1: grey cloth: selecting and inspecting the fabric, and then taking the coiled grey fabric to unwind on an unwinding machine;
s2: singeing: performing ash and impurity removal, front and back inspection and grey cloth head sewing on the unwound grey cloth, and then sending the sewn grey cloth to a singeing machine for singeing treatment to remove burrs and hair balls on the grey cloth, so as to obtain singed fabric;
s3: desizing: desizing the singed fabric to obtain a desized fabric;
s4: boiling: boiling the fabric in a high-temperature weak alkali solution to remove impurities of the fabric, so that the dye is conveniently adsorbed and dispersed;
s5: bleaching: dipping the boiled fabric into bleaching liquid for washing and bleaching to obtain a bleached fabric, then washing with cold water for 4-5 times to remove the salt content in the fabric, and finally washing and drying;
s6: dyeing: soaking the bleached fabric into a dye with the temperature of 65 ℃, then heating to 75 ℃ at the speed of 1 ℃/min, preserving heat for 10min, then heating to 110 ℃ at the speed of 1 ℃/min, then preserving heat for 3min, then heating to 125 ℃ at the speed of 1 ℃/min, preserving heat for 30min, finally cooling to 60 ℃ at the speed of 2 ℃/min, preserving heat for 10min, and finishing dyeing;
s7: and (3) antibacterial treatment: soaking the dyed fabric in an antibacterial solution at normal temperature for 60-80 minutes;
s8: and (3) fixation: dehydrating the fabric obtained in the step (6), then reducing and cleaning for 4-6 times by using an alkaline aqueous solution containing sodium hydrosulfite, and widening and shaping by using an opening machine after re-dehydration;
s9: drying: placing the impregnated fabric into an infrared drying device for pre-drying, and then placing the pre-dried fabric into a drying cylinder for drying treatment;
s10: and (3) finished product: and (5) packaging the fabric obtained in the step (9) to obtain a finished fabric product.
Table one is a table comparing the properties of each example with conventional textiles:
watch 1
In conclusion, the fabric prepared by the printing and dyeing process has good color fastness, can still keep good antibacterial performance after being washed, and still has good antibacterial effect after being used for a long time.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (3)
1. The efficient printing and dyeing process is characterized by comprising the following steps:
s1: grey cloth: selecting and inspecting the fabric, and then taking the coiled grey fabric to unwind on an unwinding machine;
s2: singeing: performing ash and impurity removal, front and back inspection and grey cloth head sewing on the unwound grey cloth, and then sending the sewn grey cloth to a singeing machine for singeing treatment to remove burrs and hair balls on the grey cloth, so as to obtain singed fabric;
s3: desizing: desizing the singed fabric to obtain a desized fabric;
s4: boiling: boiling the fabric in a high-temperature weak alkali solution to remove impurities of the fabric, so that the dye is conveniently adsorbed and dispersed;
s5: bleaching: dipping the boiled fabric into bleaching liquid for washing and bleaching to obtain a bleached fabric, then washing with cold water for 4-5 times to remove the salt content in the fabric, and finally washing and drying;
s6: dyeing: dyeing the fabric obtained in the step (5) by using a dye;
s7: and (3) antibacterial treatment: soaking the dyed fabric in an antibacterial solution at normal temperature for 60-80 minutes;
s8: and (3) fixation: dehydrating the fabric obtained in the step (6), then reducing and cleaning for 4-6 times by using an alkaline aqueous solution containing sodium hydrosulfite, and widening and shaping by using an opening machine after re-dehydration;
s9: drying: placing the impregnated fabric into an infrared drying device for pre-drying, and then placing the pre-dried fabric into a drying cylinder for drying treatment;
s10: and (3) finished product: and (5) packaging the fabric obtained in the step (9) to obtain a finished fabric product.
2. A high efficiency printing and dyeing process according to claim 1, wherein: the desizing method in the step (3) is hot water desizing or alkali desizing or enzyme desizing.
3. A high efficiency printing and dyeing process according to claim 1, wherein: and (3) soaking the bleached fabric into a dye with the temperature of 60-70 ℃ in the dyeing direction in the step (6), heating to 75 ℃ at the speed of 1 ℃/min, preserving heat for 10min, heating to 110 ℃ at the speed of 1 ℃/min, preserving heat for 3min, heating to 125 ℃ at the speed of 1 ℃/min, preserving heat for 30min, cooling to 60 ℃ at the speed of 2 ℃/min, preserving heat for 10min, and finishing dyeing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308878.7A CN113529319A (en) | 2020-04-19 | 2020-04-19 | Efficient printing and dyeing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010308878.7A CN113529319A (en) | 2020-04-19 | 2020-04-19 | Efficient printing and dyeing process |
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| Publication Number | Publication Date |
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| CN113529319A true CN113529319A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010308878.7A Pending CN113529319A (en) | 2020-04-19 | 2020-04-19 | Efficient printing and dyeing process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115491913A (en) * | 2022-09-23 | 2022-12-20 | 浙江绍肖印染有限公司 | Efficient dyeing and finishing process and equipment for elastic knitted grey cloth |
-
2020
- 2020-04-19 CN CN202010308878.7A patent/CN113529319A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115491913A (en) * | 2022-09-23 | 2022-12-20 | 浙江绍肖印染有限公司 | Efficient dyeing and finishing process and equipment for elastic knitted grey cloth |
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Application publication date: 20211022 |
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