CN110983807A - Water-based PU impregnation processing technology of automotive interior microfiber leather - Google Patents
Water-based PU impregnation processing technology of automotive interior microfiber leather Download PDFInfo
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- CN110983807A CN110983807A CN202010012092.0A CN202010012092A CN110983807A CN 110983807 A CN110983807 A CN 110983807A CN 202010012092 A CN202010012092 A CN 202010012092A CN 110983807 A CN110983807 A CN 110983807A
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- 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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
-
- 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
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
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- 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
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- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/26—Vehicles, transportation
- D06N2211/261—Body finishing, e.g. headliners
-
- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/26—Vehicles, transportation
- D06N2211/263—Cars
-
- 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- 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)
Abstract
The invention discloses an impregnation processing technology for water-based PU (polyurethane) of automotive interior microfiber leather, which comprises the following steps: step 1) placing a base cloth roll on an unreeling frame; step 2) blending of the aqueous PU emulsion: mixing the polyurethane emulsion and a proper amount of water and uniformly stirring; step 3) adding the stirred polyurethane emulsion into an immersion tank through a charging barrel, and heating to 50-80 ℃; step 4), impregnating the base fabric through an impregnation groove, and then squeezing the base fabric through a roller; and 5) drying by an oven, and finally winding by a winding roller. The microfiber leather for automotive interiors, which is prepared by the method disclosed by the invention, is free of volatile toxic gases in the whole production process due to the adoption of the aqueous PU impregnation process, is green and environment-friendly in production process, can be processed into automotive interiors, and is free of organic solvent residues. Under the background that people pay more and more attention to the environment, the product prepared by the invention has very wide application field and very huge prospect.
Description
Technical Field
The invention belongs to the technical field of microfiber leather PU impregnation, and particularly relates to a water-based PU impregnation processing technology of automotive interior microfiber leather.
Background
With the improvement of living standard of people, people pursue higher and higher consumption of automobiles, and particularly the luxury grade of the automobile interior is an important evaluation standard when vast consumers buy automobiles. In recent years, microfiber leather materials have been rapidly developed in the field of automotive interior because microfiber leather has a beautiful appearance and a comfortable body feeling which are very close to natural genuine leather.
However, the superfine fiber synthetic leather in the current market is basically obtained by impregnating solvent type PU resin, the process is very easy to poison operators in the production process because a large amount of volatile toxic substances such as organic solvent DMF and the like are used, the treatment capacity of waste gas and waste water is very large, even if a product is loaded on a vehicle, the residual organic solvent is easy to poison consumers, and the probability of suffering from cancer and leukemia is improved.
In order to change the current situation, research and development of an environment-friendly aqueous PU impregnation processing method are urgently needed to change the defects of the existing production process and improve the product quality.
Disclosure of Invention
The invention aims to solve the technical problems in the prior art and provide a water-based PU impregnation processing technology for automotive interior microfiber leather so as to overcome the defects in the prior art.
In order to achieve the purpose, the invention provides a water-based PU impregnation processing technology of automotive interior microfiber leather, which comprises the following steps:
step 1) placing a base cloth roll on an unreeling frame;
step 2) blending of the aqueous PU emulsion: mixing the polyurethane emulsion and a proper amount of water and uniformly stirring;
step 3) adding the stirred polyurethane emulsion into an immersion tank through a charging barrel, and heating to 50-80 ℃;
step 4), impregnating the base fabric through an impregnation groove, and then squeezing the base fabric through a roller;
and 5) drying by an oven, and finally winding by a winding roller.
Further, the package of the base fabric in the step 1) is an ultrafine fiber white non-woven fabric, the gram weight is 120-350 g/m, the package length is 500 m-1000 m, and the width is 140-200 cm.
Further, the aqueous PU in the step 2) is a milky low-viscosity aqueous dispersion, the viscosity is less than or equal to 1000 MPa.S, the solid content is 20-60%, and the PH = 7-9.
Further, the polyurethane emulsion in the step 2) is prepared by: weighing the aqueous PU, putting into a seasoning barrel, adding a certain amount of water to prepare the required aqueous PU emulsion, and stirring for 15-30 min.
Further, the base cloth in the step 1) is fed at the speed of 15-35 m/min in the step 4), the base cloth is soaked by two, three and lower multi-rollers and then extruded by rollers, and the average gram weight of the obtained base cloth is increased by 30-50%.
Further, the drying oven in the step 5) is of an eight-section structure, the set temperature of the first and second drying ovens is 90 ℃, the set temperature of the third drying oven is 110 ℃, the set temperature of the fourth drying oven is 130 ℃, and the set temperature of the fifth to eighth drying ovens is 150 ℃.
The microfiber leather for automotive interiors, which is prepared by the method disclosed by the invention, is free of volatile toxic gases in the whole production process due to the adoption of the aqueous PU impregnation process, is green and environment-friendly in production process, can be processed into automotive interiors, and is free of organic solvent residues. Under the background that people pay more and more attention to the environment, the product prepared by the invention has very wide application field and very huge prospect.
Drawings
FIG. 1 is a flow chart of the production process of the present invention.
In the figure, 1, a base cloth roll 2, an impregnation groove 3, a roller 4, an oven 5 and a wind-up roll.
Detailed Description
Referring to fig. 1, the invention relates to a water-based PU impregnation processing technology of automotive interior microfiber leather, which comprises the following steps:
step 1) placing a base cloth roll 1 on an unreeling frame;
step 2) blending of the aqueous PU emulsion: mixing the polyurethane emulsion and a proper amount of water and uniformly stirring;
step 3) adding the stirred polyurethane emulsion into the soaking tank 2 through a charging barrel, and heating to 50-80 ℃;
step 4), impregnating the base fabric through an impregnation tank 2, and then squeezing through a roller 3;
and 5) drying by an oven 4, and finally winding by a winding roller 5.
Further, the base fabric roll 1 in the step 1) is packaged into an ultrafine fiber white non-woven fabric, the gram weight is 120-350 g/m, the package length is 500 m-1000 m, and the width is 140-200 cm.
Further, the aqueous PU in the step 2) is a milky low-viscosity aqueous dispersion, the viscosity is less than or equal to 1000 MPa.S, the solid content is 20-60%, and the PH = 7-9.
Further, the polyurethane emulsion in the step 2) is prepared by: weighing the aqueous PU, putting into a seasoning barrel, adding a certain amount of water to prepare the required aqueous PU emulsion, and stirring for 15-30 min.
Further, the base cloth in the step 1) is fed at the speed of 15-35 m/min in the step 4), the base cloth is soaked by two, three and lower multi-rollers and then extruded by rollers, and the average gram weight of the obtained base cloth is increased by 30-50%.
Further, the oven 4 in the step 5) is of an eight-section structure, the set temperature of the first and second oven sections is 90 ℃, the set temperature of the third oven section is 110 ℃, the set temperature of the fourth oven section is 130 ℃, and the set temperature of the fifth to eighth oven sections is 150 ℃.
The microfiber leather for automotive interiors, which is prepared by the method disclosed by the invention, is free of volatile toxic gases in the whole production process due to the adoption of the aqueous PU impregnation process, is green and environment-friendly in production process, can be processed into automotive interiors, and is free of organic solvent residues. Under the background that people pay more and more attention to the environment, the product prepared by the invention has very wide application field and very huge prospect.
Claims (6)
1. The invention relates to a water-based PU impregnation processing technology of automotive interior microfiber leather, which comprises the following steps:
step 1) placing a base cloth roll on an unreeling frame;
step 2) blending of the aqueous PU emulsion: mixing the polyurethane emulsion and a proper amount of water and uniformly stirring;
step 3) adding the stirred polyurethane emulsion into an immersion tank through a charging barrel, and heating to 50-80 ℃;
step 4), impregnating the base fabric through an impregnation groove, and then squeezing the base fabric through a roller;
and 5) drying by an oven, and finally winding by a winding roller.
2. The waterborne PU impregnation processing process for automobile interior microfiber leather according to claim 1, wherein the package of the base fabric in step 1) is an ultrafine fiber white non-woven fabric, the gram weight is 120-350 g/m, the package length is 500 m-1000 m, and the web width is 140-200 cm.
3. The impregnation processing process for the aqueous PU of the automobile interior microfiber leather according to claim 1, wherein the aqueous PU in the step 2) is a milky low viscosity aqueous dispersion, the viscosity is less than or equal to 1000 MPa-S, the solid content is 20% -60%, and the pH = 7-9.
4. The water-based PU impregnation processing technology for automobile interior microfiber leather according to claim 1, wherein the polyurethane emulsion in the step 2) is prepared by: weighing the aqueous PU, putting into a seasoning barrel, adding a certain amount of water to prepare the required aqueous PU emulsion, and stirring for 15-30 min.
5. The water-based PU impregnation processing technology for the automotive interior microfiber leather according to claim 1, wherein the base cloth obtained in the step 1) is fed at a speed of 15-35 m/min in the step 4), the base cloth is impregnated by two, three and lower multi-roll, and then is extruded by a roll, and the average gram weight of the obtained base cloth is increased by 30% -50%.
6. The water-based PU impregnation processing technology for the automotive interior microfiber leather according to claim 1, wherein the drying oven in the step 5) is of an eight-section structure, the first and second drying ovens are set at 90 ℃, the third drying oven is set at 110 ℃, the fourth drying oven is set at 130 ℃, and the fifth to eight drying ovens are set at 150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010012092.0A CN110983807A (en) | 2020-01-07 | 2020-01-07 | Water-based PU impregnation processing technology of automotive interior microfiber leather |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010012092.0A CN110983807A (en) | 2020-01-07 | 2020-01-07 | Water-based PU impregnation processing technology of automotive interior microfiber leather |
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| Publication Number | Publication Date |
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| CN110983807A true CN110983807A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010012092.0A Pending CN110983807A (en) | 2020-01-07 | 2020-01-07 | Water-based PU impregnation processing technology of automotive interior microfiber leather |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107374A (en) * | 1974-09-13 | 1978-08-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Non-woven fabric usable as a substratum sheet for artificial leather |
| CN102115983A (en) * | 2011-01-26 | 2011-07-06 | 烟台华大化学工业有限公司 | Aqueous polyurethane superfine fiber synthetic leather and preparation method thereof |
| CN103993482A (en) * | 2014-05-07 | 2014-08-20 | 陕西科技大学 | Flame-retardant waterborne polyurethane superfine fiber synthetic leather base cloth and manufacturing method thereof |
| CN104005237A (en) * | 2013-11-27 | 2014-08-27 | 四川大学 | Water-dilutable resin-based impregnation method for ultrafine fiber synthetic leather base fabrics |
| CN105507016A (en) * | 2016-01-26 | 2016-04-20 | 芜湖环瑞汽车内饰件有限公司 | Weather-proof and aging-resistant composite polyurethane artificial leather for automobile interiors and preparation method of artificial leather |
| CN105986485A (en) * | 2016-01-26 | 2016-10-05 | 芜湖环瑞汽车内饰件有限公司 | Natural leather powder added high-breathability automotive interior decoration leather and preparation method thereof |
-
2020
- 2020-01-07 CN CN202010012092.0A patent/CN110983807A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107374A (en) * | 1974-09-13 | 1978-08-15 | Asahi Kasei Kogyo Kabushiki Kaisha | Non-woven fabric usable as a substratum sheet for artificial leather |
| CN102115983A (en) * | 2011-01-26 | 2011-07-06 | 烟台华大化学工业有限公司 | Aqueous polyurethane superfine fiber synthetic leather and preparation method thereof |
| CN104005237A (en) * | 2013-11-27 | 2014-08-27 | 四川大学 | Water-dilutable resin-based impregnation method for ultrafine fiber synthetic leather base fabrics |
| CN103993482A (en) * | 2014-05-07 | 2014-08-20 | 陕西科技大学 | Flame-retardant waterborne polyurethane superfine fiber synthetic leather base cloth and manufacturing method thereof |
| CN105507016A (en) * | 2016-01-26 | 2016-04-20 | 芜湖环瑞汽车内饰件有限公司 | Weather-proof and aging-resistant composite polyurethane artificial leather for automobile interiors and preparation method of artificial leather |
| CN105986485A (en) * | 2016-01-26 | 2016-10-05 | 芜湖环瑞汽车内饰件有限公司 | Natural leather powder added high-breathability automotive interior decoration leather and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 马兴元等: "《合成革化学与工艺学》", 30 November 2015, 中国轻工业出版社 * |
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