CN110592956A - Water-based directly-coated microfiber sofa leather - Google Patents
Water-based directly-coated microfiber sofa leather Download PDFInfo
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- CN110592956A CN110592956A CN201910781039.4A CN201910781039A CN110592956A CN 110592956 A CN110592956 A CN 110592956A CN 201910781039 A CN201910781039 A CN 201910781039A CN 110592956 A CN110592956 A CN 110592956A
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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
- D06N3/0002—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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
-
- 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
- D06N3/12—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
- D06N3/145—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 two or more layers of 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
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
Abstract
The invention belongs to the technical field of leather, in particular to water-based directly-coated microfiber sofa leather, which comprises a production process of the water-based directly-coated microfiber sofa leather, wherein the water-based directly-coated microfiber sofa leather comprises microfiber base cloth, a cover, a pressing surface, a rolling coating foaming layer, a ironing skin, a coating paste, embossing, spraying effect paste, falling softening, vibrating softening and finished microfiber sofa leather, a microfiber blank is utilized, the microfiber blank has a microstructure similar to that of natural leather, overcomes the body position difference and the thickness uniformity difference of real leather, has super moisture absorption and a structure closer to that of the real leather, is coated with real leather, so that the microfiber leather is more environment-friendly, has the texture of the real leather, has unique moisture absorption and air permeability, is stronger in fastness and more durable, and has certain performance even better than the real leather in certain aspects, and is added to a processing method of which has a process close to the real leather, thereby leading the water-based directly-coated microfiber sofa leather to have the appearance, and also has an internal structure which is close to natural leather.
Description
Technical Field
The invention belongs to the technical field of leather, and particularly relates to water-based directly-coated microfiber sofa leather.
Background
Microfiber cloth is a flannel, feels fine and smooth, and is somewhat like cashmere, and the woman's shoe has used a lot of including: the surface, the inner and the middle soles are also treated by water splashing prevention, and the microfiber leather is PU leather, is only microfiber cloth, and is totally called ultrafine fiber reinforced PU leather. The wear-resistant fabric has excellent wear resistance, excellent air permeability and aging resistance, is soft and comfortable, and has strong flexibility. After PU is added with superfine fibers, the toughness, air permeability and wear resistance of the polyurethane are further enhanced, namely the microfiber leather is the best regenerated leather, the leather grains are very similar to real leather, the hand feeling is soft like the real leather, and the real leather or the regenerated leather is difficult to distinguish by outsiders. The microfiber leather belongs to a new high-grade leather developed in synthetic leather, and belongs to a novel leather material type. Because of the advantages of wear resistance, cold resistance, ventilation, aging resistance, soft texture, environmental protection, beautiful appearance and the like, the leather is the most ideal choice for replacing natural leather. The natural dermis is formed by weaving a plurality of collagen fibers with different thicknesses, and comprises a grading surface layer and a reticular layer, wherein the grading surface layer is formed by weaving ultrafine collagen fibers, and the reticular layer is formed by weaving thicker collagen fibers.
The leather is animal skin which is obtained by physical and chemical processing such as unhairing, tanning and the like and is denatured and non-perishable. The leather is formed by tightly weaving natural protein fibers in a three-dimensional space, and the surface of the leather is provided with a special grain surface layer which has natural grains and luster and comfortable hand feeling. In the process of human evolution, people find that juice or mineral oil of some plants has certain tanning property on leather, and raw leather is more breathable and antiseptic through the soaking of the juice. So that the board has the physicochemical properties of softness, tear resistance, bending resistance and the like. The leather in this period really has the characteristics of leather products. And this juice we call tanning agent. The tanning industry developed to the mid of the last century to form stable tanning agents is broadly divided into the following three categories:
1. vegetable tanning agent: mainly tannin extract is used for industrial leather or ground leather.
2. Mineral tanning agent: mainly comprises chromium salt and aluminum salt, and is used for various civil leathers. Such as clothing and the like.
3. Organic tanning agent: mainly comprises formaldehyde, glutaraldehyde and the like, and is used for fur and various fine and miscellaneous fur.
And on the day of 2017, 10 and 27, preliminarily finishing and referring to a carcinogen list published by the international cancer research institution of the world health organization, and processing leather products into a category 3 carcinogen list. Natural leather is widely used for producing daily necessities and industrial products due to its excellent natural characteristics, but with the increase of the world population, the demand of human beings for leather is multiplied, and the demand of people cannot be met by the limited amount of natural leather for a long time. In order to solve the contradiction, scientists begin to research and develop the microfiber leather decades ago, leftover materials of the cattle leather are smashed and then added with polyethylene materials to be bonded again, then the surface of the cattle leather is sprayed with chemical materials or coated with PVC and PU films to manufacture the microfiber leather, the cowhide still keeps the characteristics of the cowhide, but the wearability and the strength of the microfiber leather are not as good as those of the cowhide of a first layer, and the microfiber leather can be peeled and peeled off after being used.
The microfiber leather is prepared by preparing a three-dimensional structure network non-woven fabric from superfine fiber short fibers through carding and needling, processing PU resin by a wet method for impregnation, alkali reduction, buffing, dyeing and finishing and the like. Then the leather is coated with PVC and PU films, the characteristics of the cowhide are still kept, but the wearing resistance and the strength are not as good as those of the first layer cowhide, and the film can fall off after the leather is used.
Three major technological innovations of the artificial leather and the artificial leather industry develops from birth to the present, and generally goes through three stages. Namely PVC artificial leather, PU synthetic leather and PU microfiber leather. There are also five phases to say that this process is divided into more detail: the first generation PVC synthetic leather, the second generation PU synthetic leather, the third generation PU synthetic leather, the fourth generation PU microfiber leather, the fifth generation high emulation synthetic leather, also be superfine fiber synthetic leather. But are generally classified according to the morphology of the top layer resin and the bottom layer base fabric. In view of the fact that the surface layer of the simulation microfiber leather on the market at present adopts a blade coating method, a pasting method and a wet method, which are different from the genuine leather to a certain extent.
The invention relates to a microfiber sofa leather with genuine leather appearance, which is formed by applying a genuine leather finishing material and technology to microfiber leather and utilizing a natural leather finishing technology.
Compared with the prior art:
the dermis has problems of poor figure position difference and poor thickness uniformity.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides water-based directly-coated microfiber sofa leather which has the characteristics of high softness and stiffness.
In order to achieve the purpose, the invention provides the following technical scheme: the water-based directly-coated microfiber sofa leather comprises a water-based directly-coated microfiber sofa leather production process, wherein the water-based directly-coated microfiber sofa leather comprises microfiber base cloth, a cover, ironing, rolling and coating a foaming layer, ironing, coating surface slurry, embossing, spraying effect slurry, softening, vibrating and pulling to soften, and a finished product of microfiber sofa leather;
the production process of the water-based directly-coated microfiber sofa leather comprises the following steps:
(1) selecting materials: selecting microfiber base cloth as base cloth; the microfiber base cloth is utilized, the structure of the microfiber base cloth is closer to real leather, and the natural leather is coated with real leather, so that the microfiber leather has the hand feeling of real leather and the characteristic of durability, and certain performance is even better than that of real leather, so that the appearance and the internal structure of the microfiber sofa leather are both close to natural leather;
(2) and a cover: carrying out one-time closed coating on the microfiber base cloth by using the superfine soft polyurethane resin, wherein the mixing ratio of the superfine soft polyurethane resin to the color paste is 70%, the mixing ratio of the color paste to the water is 20%; performing one-time closed coating on the microfiber base cloth by using superfine soft polyurethane resin to ensure that the microfiber base cloth is soft, stiff and solid;
(3) ironing: forming a closed film by ironing the surface of the microfiber base cloth; so that a mirror surface is formed after the coating;
(4) and roller coating of a foaming layer: the easy-embossing polyurethane foaming resin is utilized, and the ingredients are 60 percent of the medium-heat foaming polyurethane resin, 3 percent of wax liquid, 3 percent of softening agent, 3 percent of extinction filler, 10 percent of color paste and 21 percent of water;
(5) and ironing the skin: ironing at high temperature and low pressure by using a skin ironing machine to smooth the surface; and the thickness is not lost;
(6) coating the surface paste: uniformly coating superfine soft polyurethane resin, wax liquid, a softening agent, an extinction filler, color paste and water on superfine soft polyurethane fabric, wherein the superfine soft polyurethane resin comprises 50 percent of the superfine soft polyurethane resin, 3 percent of the wax liquid, 3 percent of the softening agent, 2 percent of the extinction filler, 10 percent of the color paste and 34 percent of the water;
(7) and embossing: embossing with leather embossing machine at 100 deg.C and 5kg/cm pressure2；
(8) Spraying effect slurry: uniformly spraying bright gloss oil, a hand feeling agent, matte gloss oil, a cross-linking agent and water on the microfiber base cloth, wherein the bright gloss oil is 50%, the hand feeling agent is 3%, the matte gloss oil is 30%, the cross-linking agent is 3% and the water is 14%; the microfiber has fastness and real leather texture;
(9) and (3) softening: using a machine to perform the milling;
(10) and vibration softening: softening by machine oscillation;
(11) and finished products: forming the finished cloth.
Preferably, the invention relates to a microfiber sofa leather with genuine leather appearance formed by applying genuine leather coating materials and technologies to microfiber leather and using natural leather coating technologies.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a water-based directly-coated microfiber sofa leather which is characterized in that a microfiber blank has a microstructure similar to that of natural leather, overcomes the body position difference and poor thickness uniformity of the leather, has super-strong moisture absorption and a structure closer to the leather, is coated with the leather, is more environment-friendly, has the texture of the leather, unique moisture absorption and air permeability, is stronger in fastness and more durable, and has certain performance even superior to the leather.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the process flow structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Example 1
Referring to fig. 1, the present invention provides the following technical solutions: a water-based directly-coated microfiber sofa leather comprises a water-based directly-coated microfiber sofa leather production process, wherein the water-based directly-coated microfiber sofa leather comprises microfiber base cloth, a cover, a pressing surface, a rolling coating foaming layer, a ironing surface, a coating surface slurry, embossing, a spraying effect slurry, milling, vibrating and softening and finished microfiber;
the production process of the water-based directly-coated microfiber sofa leather comprises the following steps:
(1) selecting materials: selecting microfiber base cloth as base cloth; the microfiber base cloth is utilized, the structure of the microfiber base cloth is closer to real leather, and the natural leather is coated with real leather, so that the microfiber leather has the hand feeling of real leather and the characteristic of durability, and certain performance is even better than that of real leather, so that the appearance and the internal structure of the microfiber sofa leather are both close to natural leather;
(2) and a cover: carrying out one-time closed coating on the microfiber base cloth by using the superfine soft polyurethane resin, wherein the mixing ratio of the superfine soft polyurethane resin to the color paste is 70%, the mixing ratio of the color paste to the water is 20%; performing one-time closed coating on the microfiber base cloth by using superfine soft polyurethane resin to ensure that the microfiber base cloth is soft, stiff and solid;
(3) ironing: forming a closed film by ironing the surface of the microfiber base cloth; so that a mirror surface is formed after the coating;
(4) and roller coating of a foaming layer: the easy-embossing polyurethane foaming resin is utilized, and the ingredients are 60 percent of the medium-heat foaming polyurethane resin, 3 percent of wax liquid, 3 percent of softening agent, 3 percent of extinction filler, 10 percent of color paste and 21 percent of water;
(5) and ironing the skin: ironing at high temperature and low pressure by using a skin ironing machine to smooth the surface; and the thickness is not lost;
(6) coating the surface paste: uniformly coating superfine soft polyurethane resin, wax liquid, a softening agent, an extinction filler, color paste and water on superfine soft polyurethane fabric, wherein the superfine soft polyurethane resin comprises 50 percent of the superfine soft polyurethane resin, 3 percent of the wax liquid, 3 percent of the softening agent, 2 percent of the extinction filler, 10 percent of the color paste and 34 percent of the water;
(7) and embossing: embossing with leather embossing machine at 100 deg.C and 5kg/cm pressure2；
(8) Spraying effect slurry: uniformly spraying bright gloss oil, a hand feeling agent, matte gloss oil, a cross-linking agent and water on the microfiber base cloth, wherein the bright gloss oil is 50%, the hand feeling agent is 3%, the matte gloss oil is 30%, the cross-linking agent is 3% and the water is 14%; the microfiber has fastness and real leather texture;
(9) and (3) softening: using a machine to perform the milling;
(10) and vibration softening: softening by machine oscillation;
(11) and finished products: forming the finished cloth.
Specifically, the invention relates to a microfiber sofa leather with genuine leather appearance formed by applying a genuine leather finishing material and technology to microfiber leather and using a natural leather finishing technology.
The working principle and the using process of the invention are as follows: when in use, the surface of the microfiber leather is coated with the water-based superfine and super-soft polyurethane resin through a leather roller coater, the polyurethane resin is rolled onto the surface of the microfiber leather, a breathable and smooth film is formed on the surface through drying, the film is flatter through ironing, the base of post-coating is coated, the leather embossing machine is added to the film to emboss the film to form a pattern in a thousand-pose fashion every time the polyurethane coating is thermally foamed, and the film is softened and then sprayed with gloss oil to enable the performance of the microfiber leather to basically reach the performance of dermis.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. The water-based directly-coated microfiber sofa leather is characterized in that: the production process comprises a production process of water-based directly-coated microfiber sofa leather, wherein the water-based directly-coated microfiber sofa leather comprises microfiber base cloth, a cover, ironing, roller coating of a foaming layer, ironing, coating of surface slurry, embossing, spraying of effect slurry, softening, vibrating and softening, and finished microfiber sofa leather;
the production process of the water-based directly-coated microfiber sofa leather comprises the following steps:
(1) selecting materials: selecting microfiber base cloth as base cloth;
(2) and a cover: carrying out one-time closed coating on the microfiber base cloth by using the superfine soft polyurethane resin, wherein the mixing ratio of the superfine soft polyurethane resin to the color paste is 70%, the mixing ratio of the color paste to the water is 20%;
(3) ironing: forming a closed film by ironing the surface of the microfiber base cloth;
(4) and roller coating of a foaming layer: the easy-embossing polyurethane foaming resin is utilized, and the ingredients are 60 percent of the medium-heat foaming polyurethane resin, 3 percent of wax liquid, 3 percent of softening agent, 3 percent of extinction filler, 10 percent of color paste and 21 percent of water;
(5) and ironing the skin: ironing at high temperature and low pressure by using a skin ironing machine to smooth the surface;
(6) coating the surface paste: uniformly coating superfine soft polyurethane resin, wax liquid, a softening agent, an extinction filler, color paste and water on superfine soft polyurethane fabric, wherein the superfine soft polyurethane resin comprises 50 percent of the superfine soft polyurethane resin, 3 percent of the wax liquid, 3 percent of the softening agent, 2 percent of the extinction filler, 10 percent of the color paste and 34 percent of the water;
(7) and embossing: embossing with leather embossing machine at 100 deg.C and 5kg/cm pressure2；
(8) Spraying effect slurry: uniformly spraying bright gloss oil, a hand feeling agent, matte gloss oil, a cross-linking agent and water on the microfiber base cloth, wherein the bright gloss oil is 50%, the hand feeling agent is 3%, the matte gloss oil is 30%, the cross-linking agent is 3% and the water is 14%;
(9) and (3) softening: using a machine to perform the milling;
(10) and vibration softening: softening by machine oscillation;
(11) and finished products: forming the finished sofa leather.
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| CN201910781039.4A CN110592956A (en) | 2019-08-23 | 2019-08-23 | Water-based directly-coated microfiber sofa leather |
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| CN201910781039.4A CN110592956A (en) | 2019-08-23 | 2019-08-23 | Water-based directly-coated microfiber sofa leather |
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Cited By (4)
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| CN110983809A (en) * | 2019-12-23 | 2020-04-10 | 明新孟诺卡(辽宁)新材料有限公司 | Preparation process of high-simulation full-aqueous microfiber leather |
| CN111139655A (en) * | 2020-03-02 | 2020-05-12 | 上海东喜实业有限公司 | Processing method of imitated microfiber synthetic leather base cloth |
| CN111676703A (en) * | 2020-05-29 | 2020-09-18 | 明新孟诺卡(浙江)新材料有限公司 | Direct coating process of high-simulation full-aqueous microfiber leather special for automotive interiors |
| CN113062123A (en) * | 2021-03-30 | 2021-07-02 | 英德市匠心新材料股份有限公司 | High-solid-content mirror-surface PU leather and preparation method thereof |
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| CN110983809A (en) * | 2019-12-23 | 2020-04-10 | 明新孟诺卡(辽宁)新材料有限公司 | Preparation process of high-simulation full-aqueous microfiber leather |
| CN111139655A (en) * | 2020-03-02 | 2020-05-12 | 上海东喜实业有限公司 | Processing method of imitated microfiber synthetic leather base cloth |
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| CN113062123A (en) * | 2021-03-30 | 2021-07-02 | 英德市匠心新材料股份有限公司 | High-solid-content mirror-surface PU leather and preparation method thereof |
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Application publication date: 20191220 |
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