CN113529433A - Production method of bio-based water-based suede locomotive suit leather - Google Patents
Production method of bio-based water-based suede locomotive suit leather Download PDFInfo
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- CN113529433A CN113529433A CN202110761172.0A CN202110761172A CN113529433A CN 113529433 A CN113529433 A CN 113529433A CN 202110761172 A CN202110761172 A CN 202110761172A CN 113529433 A CN113529433 A CN 113529433A
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- suede
- slurry
- base cloth
- bio
- leather
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- 239000010985 leather Substances 0.000 title claims abstract description 38
- 230000003137 locomotive effect Effects 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 38
- 239000002002 slurry Substances 0.000 claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 14
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000002562 thickening agent Substances 0.000 claims abstract description 7
- 239000000080 wetting agent Substances 0.000 claims abstract description 7
- 238000004537 pulping Methods 0.000 claims abstract description 5
- 239000006255 coating slurry Substances 0.000 claims abstract description 3
- 206010033307 Overweight Diseases 0.000 claims description 10
- 230000004580 weight loss Effects 0.000 claims description 5
- 238000004043 dyeing Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 238000004321 preservation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 231100000331 toxic Toxicity 0.000 abstract description 3
- 230000002588 toxic effect Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 229920002261 Corn starch Polymers 0.000 description 3
- 239000008120 corn starch Substances 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- 241001481789 Rupicapra Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000005026 oriented polypropylene Substances 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002649 leather substitute Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses a production method of bio-based water-based suede locomotive clothes leather, which comprises the following steps: step one, pulping, namely preparing 100 parts of bio-based waterborne polyurethane, 1-3 parts of polyester thickening agent, 0.1-0.3 part of silicon wetting agent, 2-3 parts of cross-linking agent and 8-12 parts of waterborne color paste into slurry with the viscosity of 4000-; coating slurry, namely coating the slurry on base cloth by using a high-solid pattern printing roller, wherein the base cloth is high-decrement double-sided suede, and 60-80g of slurry is coated on each meter of base cloth; and step three, drying, namely drying the base cloth by using an oven after coating the base cloth with the slurry to form a finished product. The leather produced by the production method of the bio-based water-based suede locomotive clothes leather has the advantages of no volatilization of toxic solvents in the production and processing process, greenness, environmental protection, good hand feeling, no need of lining arrangement, shortened production process of the locomotive clothes, reduced material cost and good wind resistance and heat preservation performance.
Description
Technical Field
The invention belongs to the technical field of synthetic leather, and particularly relates to a production method of bio-based water-based suede leather.
Background
The traditional production method of suede leather comprises the following steps: coating ink on release films such as OPP (oriented polypropylene), PPT (polymeric positive temperature coefficient) and the like to form an ink layer on the release films, coating a layer of glue needing heat preservation and curing on the ink layer by using a printing roller to form a glue layer, then compounding suede base cloth on the glue layer, and finally tearing the release films after heat preservation to obtain the suede leather. In the process of producing the suede leather by the method, because the glue contains volatile toxic solvent butanone and curing agent NCO, a large amount of toxic substances are discharged in the high-temperature heat-preservation curing process, and the defect of environmental pollution is caused.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the technical scheme that: a production method of bio-based water-based suede locomotive clothes leather comprises the following steps:
step one, pulping, namely preparing 100 parts of bio-based waterborne polyurethane, 1-3 parts of polyester thickening agent, 0.1-0.3 part of silicon wetting agent, 2-3 parts of cross-linking agent and 8-12 parts of waterborne color paste into slurry with the viscosity of 4000-;
coating slurry, namely coating the slurry on base cloth by using a high-solid pattern printing roller, wherein the base cloth is high-decrement double-sided suede, and 60-80g of slurry is coated on each meter of base cloth;
and step three, drying, namely drying the base cloth by using an oven after coating the base cloth with the slurry to form a finished product.
Preferably, the gram weight of the high-weight double-sided suede is 250-410g/m2。
Preferably, the high-weight loss double-sided suede is 420g/m2The double-sided suede is formed by dyeing and grinding and then reducing.
Preferably, the high weight loss double-sided suede includes a short-hair side and a long-hair side, and the slurry is printed on the short-hair side of the high weight loss double-sided suede.
Preferably, the oven is internally provided with three temperature sections, namely a 110 ℃ temperature section, a 150 ℃ temperature section and a 120 ℃ temperature section, the length of each temperature section is not less than 10 m, and the moving speed of the base cloth in the oven is 8-12 m/min.
The invention has the beneficial effects that: the leather produced by the production method of the bio-based water-based suede locomotive clothes leather uses the bio-based material as a raw material, and toxic solvents are not volatilized in the production and processing processes, so that the leather is more environment-friendly. The high-solid pattern printing roller is used for printing, and the requirement of the bonding strength of the leather can be met by a small amount of bio-based waterborne polyurethane, so that the cost is reduced. The short suede surface of the high-decrement double-sided suede has high bonding strength with the bio-based waterborne polyurethane, the performance of the leather is improved, and the service life of the leather is prolonged. The fluff of the long fluff surface is exposed at the inner side of the locomotive clothes, the hand feeling is improved, the locomotive clothes do not need to be provided with an inner lining, the production flow of the locomotive clothes is shortened, and the material cost is reduced. The gram weight of the locomotive clothes can be accurately controlled, and the locomotive clothes have good wind resistance and heat preservation performance.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A production method of bio-based water-based suede locomotive clothes leather comprises the following steps:
preparing slurry by 100 parts of bio-based waterborne polyurethane (containing 50% of water and 50% of waterborne polyurethane), 1 part of polyester thickener, 0.2 part of silicon wetting agent, 2 parts of cross-linking agent (aziridine) and 10 parts of color paste into slurry with the viscosity of about 5000. The BIO-based waterborne polyurethane is BIO-PDO (TM) based on corn starch produced by DuPont, USA.
And step two, coating the slurry, namely coating the slurry on the base cloth by using a high-solid pattern printing roller, wherein the base cloth is high-decrement double-sided suede, and 60-65g of the slurry is coated on each meter of the base cloth. The high-decrement double-sided suede comprises a short-hair side and a long-hair side, the size is printed on the long-hair side of the high-decrement double-sided suede, and the thickness of the size is shorter than the length of the long hair of the long-hair side.
And step three, drying, namely drying the base cloth by using an oven after coating the base cloth with the slurry to form a finished product. The inside of the oven is provided with three temperature sections, namely a 110 ℃ temperature section, a 150 ℃ temperature section and a 120 ℃ temperature section, the length of each temperature section is not less than 10 m, and the moving speed of the base fabric in the oven is 10 m/min. And drying to obtain the double-suede locomotive clothes leather.
High-decrement double-sided suede nap fabric composed of 420g/m2The double-sided suede is formed by weight reduction after dyeing and grinding, and the gram weight of the high-weight double-sided suede is 380-410g/m2。
Example 2
A production method of bio-based water-based suede locomotive clothes leather comprises the following steps:
step one, pulping, namely preparing 100 parts of bio-based waterborne polyurethane, 2 parts of polyester thickener, 0.3 part of silicon wetting agent, 3 parts of cross-linking agent and 10 parts of color paste into slurry with the viscosity of about 5000. The BIO-based waterborne polyurethane is BIO-PDO (TM) based on corn starch produced by DuPont in the United states and has multiple functional groups.
And step two, coating the slurry, namely coating the slurry on the base cloth by using a high-solid pattern printing roller, wherein the base cloth is high-decrement double-sided suede, and 65-70g of the slurry is coated on each meter of the base cloth. The high-decrement double-sided suede comprises a short-hair side and a long-hair side, and the sizing agent is printed on the short-hair side of the high-decrement double-sided suede.
And step three, drying, namely drying the base cloth by using an oven after coating the base cloth with the slurry to form a finished product. The inside of the oven is provided with three temperature sections, namely a 110 ℃ temperature section, a 150 ℃ temperature section and a 120 ℃ temperature section, the length of each temperature section is not less than 10 m, and the moving speed of the base fabric in the oven is 10 m/min. The leather is dried to obtain the leather which has a smooth leather surface on one side and a long napped surface on the other side and does not need to be provided with an inner lining.
Example 3
A production method of bio-based water-based suede locomotive clothes leather comprises the following steps:
step one, pulping, namely preparing 100 parts of bio-based waterborne polyurethane, 2 parts of polyester thickener, 0.3 part of silicon wetting agent, 3 parts of cross-linking agent and 10 parts of color paste into slurry with the viscosity of about 5000. The BIO-based waterborne polyurethane is BIO-PDO (TM) based on corn starch produced by DuPont in the United states and has multiple functional groups.
And step two, coating the slurry, namely coating the slurry on the base cloth by using a high-solid pattern printing roller, wherein the base cloth is high-decrement double-sided suede, and 65-70g of the slurry is coated on each meter of the base cloth. Two-sided chamois leather fine hair of high decrement is including short matte and long matte, and the thick liquids are printed on the short matte of the two-sided chamois leather fine hair of high decrement simultaneously, and wherein the thick liquids thickness on the short matte just covers the short hair on the short matte, and the thick liquids thickness on the long matte equals with the thick liquids thickness on the short matte.
And step three, drying, namely drying the base cloth by using an oven after coating the base cloth with the slurry to form a finished product. The inside of the oven is provided with three temperature sections, namely a 110 ℃ temperature section, a 150 ℃ temperature section and a 120 ℃ temperature section, the length of each temperature section is not less than 10 m, and the moving speed of the base fabric in the oven is 10 m/min. And drying by an oven to obtain the locomotive suit leather with high gram weight, high heat retention and wind resistance.
High-decrement double-sided suede nap fabric composed of 420g/m2The double-sided suede is formed by weight reduction after dyeing and grinding, and the gram weight of the high-weight double-sided suede is 380-410g/m2。
The leather of the motorcycle clothes obtained in the above examples 1 to 3 was washed in a drum washing machine for 5 times, and the surface was observed to be unchanged. After the test of tensile property, the locomotive leather still has stronger tensile property after being washed for many times. After washing for 10 times and 15 times by using a washing machine, observing and comparing, the washing fastness of the leather of the locomotive clothes is as follows from big to small: the car clothes leather obtained in example 3, the car clothes leather obtained in example 1, and the car clothes leather obtained in example 2.
The test data show that the leather prepared by the invention has good tensile resistance and good touch feeling, and the bio-based waterborne polyurethane has the effect of being matched with the polyester thickener, the silicon wetting agent and the cross-linking agent in a quantitative ratio. Meanwhile, the high-decrement double-sided suede ensures the gram weight thickness of a finished product, so that the finished product is suitable for manufacturing locomotive clothes. Ensuring the good performances of wind resistance and heat preservation.
It should be noted that the technical features of BIO-pdo (tm) and the like related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be selected conventionally in the field, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
Having described preferred embodiments of the present invention in detail, it is to be understood that modifications and variations may be resorted to without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A production method of bio-based water-based suede locomotive clothes leather is characterized by comprising the following steps:
step one, pulping, namely preparing 100 parts of bio-based waterborne polyurethane, 1-3 parts of polyester thickener, 0.1-0.3 part of silicon wetting agent, 2-3 parts of cross-linking agent and 8-12 parts of waterborne color paste into slurry with the viscosity of 4000-;
coating slurry, namely coating the slurry on base cloth by using a high-solid pattern printing roller, wherein the base cloth is high-decrement double-sided suede, and 60-80g of slurry is coated on each meter of base cloth;
and step three, drying, namely drying the base cloth by using an oven after coating the base cloth with the slurry to form a finished product.
2. The method for producing bio-based aqueous suede automotive clothing leather as claimed in claim 1, wherein the grammage of the high-weight double-sided suede is 250-410g/m2。
3. The method of producing bio-based aqueous suede automotive apparel leather of claim 2, wherein the high weight loss double-sided suede is formed of 420g/m2The double-sided suede is formed by dyeing and grinding and then reducing.
4. The method of producing bio-based aqueous suede automotive apparel leather of claim 3, wherein the high weight loss double-sided suede includes a short-pile side and a long-pile side, and the slurry is printed on the short-pile side and/or the long-pile side of the high weight loss double-sided suede.
5. The method for producing bio-based aqueous suede locomotive clothing leather according to claim 4, wherein three temperature sections are arranged in the oven, wherein the temperature sections are respectively a 110 ℃ temperature section, a 150 ℃ temperature section and a 120 ℃ temperature section, the length of each temperature section is not less than 10 m, and the moving speed of the base fabric in the oven is 8-12 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761172.0A CN113529433A (en) | 2021-07-06 | 2021-07-06 | Production method of bio-based water-based suede locomotive suit leather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110761172.0A CN113529433A (en) | 2021-07-06 | 2021-07-06 | Production method of bio-based water-based suede locomotive suit leather |
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| CN113529433A true CN113529433A (en) | 2021-10-22 |
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| CN202110761172.0A Pending CN113529433A (en) | 2021-07-06 | 2021-07-06 | Production method of bio-based water-based suede locomotive suit leather |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952253A (en) * | 2006-10-18 | 2007-04-25 | 浙江禾欣实业集团股份有限公司 | Method for making aqueous polyurethane elastic suede leather |
| CN102677482A (en) * | 2012-05-21 | 2012-09-19 | 海宁大红马布业有限公司 | Environment-friendly waterborne polyurethane suede leather with high permeability and preparation method of environment-friendly waterborne polyurethane suede leather |
| CN103410009A (en) * | 2013-04-19 | 2013-11-27 | 晋江市闽高纺织科技有限公司 | High-breathability superfine fiber polyurethane suede synthetic leather, preparation technology and products prepared from synthetic leather |
| CN111749026A (en) * | 2020-07-08 | 2020-10-09 | 清远市齐力合成革有限公司 | Preparation method of water-based ecological leather |
-
2021
- 2021-07-06 CN CN202110761172.0A patent/CN113529433A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1952253A (en) * | 2006-10-18 | 2007-04-25 | 浙江禾欣实业集团股份有限公司 | Method for making aqueous polyurethane elastic suede leather |
| CN102677482A (en) * | 2012-05-21 | 2012-09-19 | 海宁大红马布业有限公司 | Environment-friendly waterborne polyurethane suede leather with high permeability and preparation method of environment-friendly waterborne polyurethane suede leather |
| CN103410009A (en) * | 2013-04-19 | 2013-11-27 | 晋江市闽高纺织科技有限公司 | High-breathability superfine fiber polyurethane suede synthetic leather, preparation technology and products prepared from synthetic leather |
| CN111749026A (en) * | 2020-07-08 | 2020-10-09 | 清远市齐力合成革有限公司 | Preparation method of water-based ecological leather |
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| CB02 | Change of applicant information |
Address after: 323010 No. 9-1, Luyuan Road, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Applicant after: Zhejiang Jiake New Material Technology Co.,Ltd. Address before: 323000 workshop 7, 11 Tongji street, nanmingshan street, Liandu District, Lishui City, Zhejiang Province Applicant before: Zhejiang Jiake New Material Technology Co.,Ltd. |
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Application publication date: 20211022 |
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