CN114606785A - Washing-free formaldehyde-free discharge printing process - Google Patents
Washing-free formaldehyde-free discharge printing process Download PDFInfo
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- CN114606785A CN114606785A CN202210305050.5A CN202210305050A CN114606785A CN 114606785 A CN114606785 A CN 114606785A CN 202210305050 A CN202210305050 A CN 202210305050A CN 114606785 A CN114606785 A CN 114606785A
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- printing
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- washing
- printing process
- water
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- 238000010018 discharge printing Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000007639 printing Methods 0.000 claims abstract description 42
- 238000010025 steaming Methods 0.000 claims abstract description 14
- 238000001035 drying Methods 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000004537 pulping Methods 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- 238000010017 direct printing Methods 0.000 claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000003906 humectant Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012860 organic pigment Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 239000000975 dye Substances 0.000 description 5
- 239000000985 reactive dye Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 239000000984 vat dye Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000011172 small scale experimental method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002087 whitening effect Effects 0.000 description 1
Images
Classifications
-
- 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
- D06P5/15—Locally discharging the dyes
- D06P5/155—Locally discharging the dyes with reductants
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
The invention relates to a washing-free formaldehyde-free discharge printing process, which comprises the following processing steps: s1, pulping; s2, printing; s3, printing and drying; s4, steaming and S5, and shaping the finished product.
Description
Technical Field
The invention relates to a washing-free formaldehyde-free discharge printing process.
Background
Discharge printing can also be called as embossing printing, is a special printing process in textile printing, and is developed from dye prevention; the discharge printing technology has a high position in the printing and dyeing industry all the time, and has artistry, high grade and high added value due to the relatively complex discharge printing technology and high operation requirement.
In the domestic textile printing and dyeing industry including the Shaoxing region, the common discharge printing processes comprise paint discharge and vat dye discharge, and the method is a printing method which dyes a ground color by using a reactive dye or a Naftot dye and enters the color by using the paint or the vat dye.
The existing document CN201310363170.1 is a paint discharge printing process with a digital printing effect, and comprises the following steps: a) pretreating gray fabric; b) dyeing the substrate by adopting dischargeable reactive dye; c) adopting eight-color separation manuscript-describing software to describe the manuscript according to a hanging printing process, and adopting a 100-200 mesh silk screen to manufacture a screen; d) the method comprises the steps of firstly adding a coating into a discharge printing raw stock, uniformly stirring, then adding discharge printing powder, preparing discharge printing color paste, further dividing four colors into 2 sets of colors with different shades on the basis of a four-color separation principle, wherein eight sets of colors are provided in total, and the discharge printing white paste also comprises one set of discharge printing white paste, and printing by using printing equipment after size mixing is finished; e) after printing, baking the grey cloth for 3-5 minutes at the temperature of 150-160 ℃; f) washing with clear water by a washing machine, performing centrifugal dehydration, softening and shaping, and rolling the finished product for shipment.
The prior document CN201810569443.0 discloses a reactive dye color discharge printing process, which comprises the following steps:
(1) dyeing: selecting reactive dyes or adopting different reactive dye combinations to dye the cellulose fiber fabric firstly;
(2) and (4) drawing and printing: and (2) carrying out discharge printing on the cellulose fiber fabric dyed in the step (1) by using discharge printing color paste of a reduction type whitening agent to generate the effect of partial discharge, no discharge or color discharge, wherein the discharge printing color paste does not need to be added with a color dye.
And (3) carrying out oxidation water washing after the step of drawing and printing in the step (2) so as to enable the color light to be more stable.
The two existing processes have the problems of high temperature required for color development, high energy consumption, high formaldehyde, high water consumption, high VOC (volatile organic compounds) emission, high workshop odor, repeated high-temperature baking and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing a washing-free formaldehyde-free discharge printing process which can solve the problems.
The invention adopts the following technical scheme:
the invention carries out pull printing on the ground color finished cloth, which comprises the following processing steps: s1, pulping; s2, printing; s3, printing and drying; s4, steaming and S5, and shaping the finished product.
In the step S1, printing virgin stock is prepared, wherein 5% of a safety emulsifier (CAS number 61791-12-6), 30% of an organic pigment (CAS number 85256-45-7/15541-56-7/147-14-8), 47% of water (CAS number 7732-18-5), 5% of a humectant, 5% of butyl acrylate (CAS number 141-32-2) and 8% of acrylic acid (CAS number 79-10-7) are mixed, the obtained mixture is mixed with a DK-NF discharging agent, the integral specific gravity of the DK-NF discharging agent is 1% -5%,
in step S2, the printing raw stock is evenly coated and scraped on the ground color finished cloth by a rotary screen or a flat screen according to the conventional direct printing process, and the mesh number of a printing pattern die is adjusted according to the pattern requirement/printing coating color paste thickness during printing so as to ensure the printing effect.
In step S3, a dryer is used for drying, the drying temperature is within 105 ℃, the drying time is 3-7 min, and a water cooling system is used for cooling the printed ground color finished cloth to be within 60 ℃.
In step S4, the invention is steamed under the condition of saturated steam, the steaming temperature is 102 +/-10 ℃, the steaming pressure is 0.1-0.3p, and the time is 0.5-10 min.
In step S4, a reduction steamer is selected for steaming.
In step S5, the thickness and width of the finished fabric with the ground color after steaming are set according to the production requirements.
The invention has the following positive effects:
the DK-NF discharging agent is an environment-friendly reducing agent, replaces a Degolin reducing agent, achieves the effects of low reducing temperature, no washing, no formaldehyde and low emission by changing the chemical reducing environment, and has lower cost.
Drawings
FIG. 1 is a schematic diagram of the process steps of the present invention;
FIG. 2 is a schematic diagram of the components of the printing paste of the present invention;
FIG. 3 is a schematic view of the printing and drying process steps of the present invention;
FIG. 4 is a schematic diagram of the process steps of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The finished fabric with the ground color is a dyed finished fabric, and the following process is to discharge the dyed finished fabric with the ground color.
The invention carries out discharge printing on the ground color finished cloth, which comprises the following processing steps: s1, pulping; s2, printing; s3, printing and drying; s4, steaming and S5, and shaping the finished product.
Example 1
As shown in fig. 1 to 4, in step S1 of the present invention, a printing paste is prepared, wherein a mixture obtained by mixing 5% of a safe emulsifier (CAS number 61791-12-6), 30% of an organic pigment (CAS number 85256-45-7/15541-56-7/147-14-8), 47% of water (CAS number 7732-18-5), 5% of a humectant, 5% of butyl acrylate (CAS number 141-32-2) and 8% of acrylic acid (CAS number 79-10-7) is mixed with a DK-NF discharging agent, the overall specific gravity of the DK-NF discharging agent is 1% to 5%,
the DK-NF discharging agent is an environment-friendly reducing agent, replaces a Degolin reducing agent, and achieves the effects of low reducing temperature, no washing, no formaldehyde and low emission by changing the chemical reducing environment.
In step S2, the printing raw stock is evenly coated and scraped on the ground color finished cloth by a rotary screen or a flat screen according to the conventional direct printing process, and the mesh number of a printing pattern die is adjusted according to the pattern requirement/printing coating color paste thickness during printing so as to ensure the printing effect.
In step S3, a dryer is used for drying, the drying temperature is within 105 ℃, the drying time is 3-7 min, and a water cooling system is used for cooling the printed ground color finished cloth to be within 60 ℃.
In step S4, the invention is steamed under the condition of saturated steam, the steaming temperature is 102 +/-10 ℃, the steaming pressure is 0.1-0.3p, and the time is 0.5-10 min.
Example 2, as shown in FIGS. 1 to 4, based on example 1, the present invention selects a reduction steamer to steam in step S4.
Example 3, as shown in fig. 1 to 4, based on example 1 and example 2, the present invention sets the thickness and width of the finished fabric of ground color after steaming according to the production requirements in step S5.
At present, the technical scheme of the application has been subjected to pilot plant test, namely small-scale experiment before large-scale mass production of products; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of products for formal production for industrialization (including intellectual property risk early warning research) has been set forth.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. A washing-free formaldehyde-free discharge printing process is used for discharge printing of ground color finished cloth, and is characterized in that: the method comprises the following processing steps: s1, pulping; s2, printing; s3, printing and drying; s4, steaming and S5, and shaping the finished product.
2. The water-washing-free formaldehyde-free discharge printing process according to claim 1, characterized in that: in the step S1, printing virgin stock is prepared, wherein 5% of a safe emulsifier (CAS number 61791-12-6), 30% of an organic pigment (CAS number 85256-45-7/15541-56-7/147-14-8), 47% of water (CAS number 7732-18-5), 5% of a humectant, 5% of butyl acrylate (CAS number 141-32-2) and 8% of acrylic acid (CAS number 79-10-7) are mixed, the obtained mixture is mixed with a DK-NF discharging agent, and the integral specific gravity of the DK-NF discharging agent is 1% -5%.
3. The water-washing-free formaldehyde-free discharge printing process according to claim 2, characterized in that: in the step S2, printing virgin pulp is uniformly coated and scraped on the base color finished cloth by a rotary screen or a flat screen according to the conventional direct printing process, and the mesh number of a printing pattern die is adjusted according to the pattern requirement/the printing coating color paste thickness during printing so as to ensure the printing effect.
4. The washing-free formaldehyde-free discharge printing process according to claim 3, characterized in that: in step S3, a dryer is used to dry the fabric at a temperature of 105 ℃ or less for 3-7 min, and a water cooling system is used to cool the printed ground color fabric to a temperature of 60 ℃.
5. The water-washing-free formaldehyde-free discharge printing process according to claim 4, characterized in that: in step S4, steaming under saturated steam condition at 102 ℃ + -10 deg.C under 0.1-0.3p for 0.5-10 min.
6. The water-washing-free formaldehyde-free discharge printing process according to claim 5, characterized in that: in step S4, a reduction steamer is selected for steaming.
7. The water-washing-free formaldehyde-free discharge printing process according to claim 6, characterized in that: in step S5, the thickness and width of the finished fabric of the ground color after the steaming are set according to the production requirements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305050.5A CN114606785A (en) | 2022-03-25 | 2022-03-25 | Washing-free formaldehyde-free discharge printing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210305050.5A CN114606785A (en) | 2022-03-25 | 2022-03-25 | Washing-free formaldehyde-free discharge printing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114606785A true CN114606785A (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210305050.5A Pending CN114606785A (en) | 2022-03-25 | 2022-03-25 | Washing-free formaldehyde-free discharge printing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114606785A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1412681A (en) * | 1972-02-04 | 1975-11-05 | Montedison Fibre Spa | Process for the discharge printing of fibres and manufactured articles made therefrom |
| JPH08170278A (en) * | 1994-12-19 | 1996-07-02 | Kimura Shoji Kk | Method for dyeing cloth, printing paste and dyed cloth |
| CN101158119A (en) * | 2007-09-20 | 2008-04-09 | 浙江理工大学 | Formaldehyde-free discharge dyeing protoplasm and its preparation method and application |
| CN101429730A (en) * | 2008-12-04 | 2009-05-13 | 浙江理工大学 | Silk broadcloth non-methanal discharge printing discharge paste and its discharge printing technique |
| CN101654876A (en) * | 2008-08-18 | 2010-02-24 | 董建圆 | Cotton cloth reactive dye discharge printing process |
| CN106758403A (en) * | 2016-12-20 | 2017-05-31 | 浙江理工大学 | Dacron environment-friendly type discharge printing discharge slurry and its discharge printing process |
| JP2022022044A (en) * | 2020-07-22 | 2022-02-03 | 濱州亜光家紡有限公司 | Invisible printed towel manufacturing method |
-
2022
- 2022-03-25 CN CN202210305050.5A patent/CN114606785A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1412681A (en) * | 1972-02-04 | 1975-11-05 | Montedison Fibre Spa | Process for the discharge printing of fibres and manufactured articles made therefrom |
| JPH08170278A (en) * | 1994-12-19 | 1996-07-02 | Kimura Shoji Kk | Method for dyeing cloth, printing paste and dyed cloth |
| CN101158119A (en) * | 2007-09-20 | 2008-04-09 | 浙江理工大学 | Formaldehyde-free discharge dyeing protoplasm and its preparation method and application |
| CN101654876A (en) * | 2008-08-18 | 2010-02-24 | 董建圆 | Cotton cloth reactive dye discharge printing process |
| CN101429730A (en) * | 2008-12-04 | 2009-05-13 | 浙江理工大学 | Silk broadcloth non-methanal discharge printing discharge paste and its discharge printing technique |
| CN106758403A (en) * | 2016-12-20 | 2017-05-31 | 浙江理工大学 | Dacron environment-friendly type discharge printing discharge slurry and its discharge printing process |
| JP2022022044A (en) * | 2020-07-22 | 2022-02-03 | 濱州亜光家紡有限公司 | Invisible printed towel manufacturing method |
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Application publication date: 20220610 |
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