CN217536480U - Kong Pige with pattern - Google Patents
Kong Pige with pattern Download PDFInfo
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- CN217536480U CN217536480U CN202221163997.9U CN202221163997U CN217536480U CN 217536480 U CN217536480 U CN 217536480U CN 202221163997 U CN202221163997 U CN 202221163997U CN 217536480 U CN217536480 U CN 217536480U
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Abstract
The utility model relates to a leather with pattern hole belongs to technical field in the automotive interior, and the from the top down structure of pattern hole leather is: surface coating, surface layer and reinforcing layer. The manufacturing method comprises the following steps: firstly, mixing primary raw materials of toner, polymer resin and solvent to obtain a primary raw material; mixing the primary raw material, polymer resin, a plasticizer, a stabilizer and an additive to obtain a skin raw material; coating a skin raw material on release paper, drying, standing and curing to obtain a skin layer, and coating a surface treatment agent on the upper surface of the skin layer to obtain the wear-resistant skin layer. Then mixing polymer resin, a plasticizer, a stabilizer, a defoaming agent and an inorganic raw material additive to obtain a raw material of the middle reinforcing layer; coating a reinforcing layer raw material on the surface layer, attaching a woven fabric or a three-dimensional fabric, spraying glue, drying, standing and curing to obtain the leather. And then, punching holes on the leather according to a preset pattern to finally obtain the leather with the pattern holes.
Description
Technical Field
The utility model belongs to the technical field of among the automotive interior, especially relate to a leather with pattern hole.
Background
With the continuous improvement of the living standard of people, the requirements of people on the automobile interior environment are continuously improved while the requirements on the automobile performance, the appearance and the safety performance are continuously improved. The surface coating the automobile ornament not only has colors and patterns, but also provides soft and elastic handfeel, and gradually improves the requirements on the atmosphere lamp in the automobile and the interaction between people and the automobile.
Traditional synthetic leather has a blocking effect on light due to unique material characteristics, does not have light transmission performance, and affects attractiveness.
In view of the above, there is a need to design leather with patterned holes.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: to provide a leather with pattern holes, which is excellent in both strength, toughness and light transmittance of a skin material and is improved in comfort and beauty.
A has pattern Kong Pige, characterized by: the leather is provided with a through hole, the leather comprises a surface coating, a surface layer and a reinforcing layer, the upper part of the surface layer is provided with the surface coating, and the lower part of the surface layer is provided with the reinforcing layer.
The reinforcing layer comprises a raw material additive layer and a fabric layer, and the raw material additive layer is arranged on the upper portion of the fabric layer.
The skin layer includes a toner and a polymer resin.
The surface of the surface layer is provided with embossing.
The through holes are arranged in a plurality of numbers and are arranged according to a preset pattern.
The diameter range of the through holes is 0.8mm-2mm, the distance between every two adjacent through holes is more than 1.5 times of the aperture, and the total area of the through holes is less than 35% of the area of the leather.
The graphic outline comprises a trademark, a number and a character.
The embossed surface is a leather-like texture.
Through the design scheme, the utility model discloses following beneficial effect can be brought: a leather with pattern holes has the advantages of high strength, toughness and light transmission of surface material, high comfortability and high aesthetic property.
The utility model discloses a further beneficial effect lies in: the pattern hole leather has surface treating agent in the top layer to raise wear resistance and may be embossed selectively.
The light-transmitting surface layer is internally provided with dye/pigment toner, and different colors can be selected according to different user requirements. After the pattern holes are formed on the leather, the pattern can be displayed when light irradiates. The organic fabric or the three-dimensional fabric in the reinforcing layer not only ensures the light transmission, but also ensures the strength of the leather. And the reinforcing layer can also select other reinforcing materials or no reinforcing layer according to the requirements of customers.
Drawings
The invention is further described with reference to the following drawings and detailed description:
fig. 1 is a schematic view of the surface of the leather with pattern holes of the present invention.
Fig. 2 is a schematic view of the structure of the leather reinforcing layer with pattern holes of the present invention.
Figure 1-through hole.
Detailed Description
A leather with pattern holes is provided with through holes 1 as shown in figures 1 and 2, and the leather comprises a surface coating layer, a surface layer and a reinforcing layer, wherein the surface coating layer is arranged at the upper part of the surface layer, and the reinforcing layer is arranged at the lower part of the surface layer.
The reinforcing layer comprises a raw material additive layer and a fabric layer, and the raw material additive layer is arranged on the upper portion of the fabric layer.
The skin layer includes a toner and a polymer resin.
The surface of the surface layer is provided with embossments.
The through holes 1 are arranged in a plurality of numbers, and the through holes are arranged according to a preset pattern.
The diameter range of the through holes 1 is 0.8mm-2mm, the distance between every two adjacent through holes 1 is more than 1.5 times of the aperture, and the total area of the through holes 1 is less than 35% of the area of the leather.
The graphic outer contour comprises a trademark, a number and a character.
The embossed surface is a leather-like texture.
The preparation method of the leather with the pattern holes of the utility model comprises the following steps,
s1, dye/pigment preparation: mixing, heating, stirring, dissolving, grinding and defoaming primary raw materials of dye/pigment toner, polymer resin and a solvent to obtain a primary raw material of the dye/pigment;
s2, epidermis raw materials: mixing, stirring, grinding and defoaming the S1 raw material, the polymer resin, the plasticizer, the stabilizer and the additive to obtain a skin raw material;
s3, preparing the epidermis: coating S2 raw materials on release paper, and drying, standing and curing to obtain an epidermal layer;
s4, epidermis treatment: and (3) coating a surface treatment agent on the surface of S3 to obtain an abrasion-resistant skin layer, and optionally performing embossing treatment.
S5, reinforcing layer raw materials: mixing, stirring, grinding and defoaming polymer resin, a plasticizer, a stabilizer, a defoaming agent and an inorganic raw material additive to obtain a raw material of a reinforcing layer;
s6, manufacturing a reinforcing layer: coating the S5 raw material on the S4, attaching woven fabric or three-dimensional fabric, spraying glue, drying, standing and curing to obtain a leather compound;
s7, punching: using laser or a needle plate to manufacture a preset hole pattern on the leather compound to finally obtain pattern hole leather;
for the preparation of the skin layer, different colors may be selected; the surface of the leather needs to be coated with a surface treatment agent, so that the wear resistance is improved; the surface of the leather can also be subjected to embossing treatment to prevent leather grains and improve the attractiveness.
The toner dye/pigment may be either an organic toner or an inorganic toner, depending on the customer's color requirements for the surface. Examples of the organic toner include magenta, fast yellow, benzidine yellow, permanent yellow, phthalocyanine blue, phthalocyanine green, and the like, and examples of the inorganic toner include iron oxide pigments (red, yellow, green, black, orange, gray, brown), chrome yellow, carbon black, and the like. Less than 15nm is required for the particle size.
In the preparation process of conventional epidermal layer raw materials, usually directly mix various powder materials and stir together, because the particle diameter of toner is nanometer, and is very little, and is not in an order of magnitude with the particle diameter of other powder materials, can cause the dispersion inequality of toner very easily if directly mix it with other powder materials, and the utility model discloses in, at first prepare printing opacity pigment raw materials through mixing, stirring, oil bath, the mode of adding the solvent, make dyestuff/pigment fully disperse and dissolve, then mix printing opacity pigment raw materials and polymer powder, plasticizer, stabilizer, inorganic additive and obtain printing opacity epidermal layer raw materials, can improve the dispersion homogeneity of toner greatly, in addition, mix toner and polymer powder and plasticizer and form pigment raw materials, can improve the fusibility of pigment raw materials and other powder materials greatly. The grinding process is added during the preparation of the pigment raw material, so that the toner and other powder materials are uniformly mixed, and agglomeration is prevented.
The preferable dye/pigment primary raw material comprises the following components in percentage by mass: 20-30% of toner, 40-45% of polymer resin and 25-40% of solvent, wherein the toner can be properly adjusted according to different requirements, the polymer resin can also be properly adjusted according to the viscosity requirement of the resin, and finally the matching proportion of the solvent is adjusted.
In the dye/pigment primary raw material, the content of the toner cannot be too high or too low, wherein the too high can affect the mechanical property of the artificial leather, and the too low can affect Yan Sedu, and preferably, the mass percentage of the toner in the pigment raw material is 25-28%.
In the primary raw materials of the dye/pigment, the polymer resin is one or a mixture of at least two of polyvinyl chloride, chlorinated polyethylene, acrylic acid, polyurethane, epoxy resin, vinyl chloride-vinyl acetate copolymer and silica gel.
In the primary raw material of dye/pigment, organic solvent such as hydrocarbon, alcohol, ketone, ester, etc. or at least two mixed solvents are used as solvent.
Preferably, the primary dye/pigment raw materials are prepared by mixing the raw materials, pouring the mixture into a glass round-mouth bottle, fixing the round-mouth bottle on an oil bath pot, and stirring the inside of the round-mouth bottle by using a rotary stirrer. Slowly raising the temperature of the oil bath from the room temperature environment, raising the temperature to 10 ℃ every 5 minutes, keeping the temperature for 5 minutes, raising the temperature to 120 ℃ finally, keeping the temperature for more than 30 minutes, and then naturally lowering the temperature to the room temperature. In the process of heating and cooling, the stirrer is required to stir all the time, and the rotating speed is 150 RPM-200 RPM.
The slow temperature rise can ensure the accuracy of temperature control and prevent temperature out-of-tolerance caused by the temperature inertia effect. When the temperature is raised to 120 ℃, the solution is kept for 30 minutes or more, and the dye/pigment, the resin, and the solvent can be sufficiently dissolved and kept in a dissolved state. Stirring is continued throughout the process, and dispersion uniformity is achieved by stirring. The speed is not easy to be too high, and bubbles are easy to generate by high-speed stirring.
And pouring the dissolved raw materials into a three-roll grinder for grinding for at least 3 times, and stopping grinding when the fineness is below 5 um.
The grinding is carried out step by the processes of rough grinding, fine grinding and fine grinding, so that the grinding fineness can be ensured, and after each grinding, the fineness is measured by using a scraper fineness meter to adjust the grinding precision according to the fineness result.
And (3) defoaming the ground raw materials in a vacuum defoaming box under the pressure of-0.5 MPa to-0.1 MPa to discharge bubbles from the raw materials. Theoretically, the time is long, the defoaming effect is good, but the time is wasted, the preferable time is 40 minutes to 50 minutes, and finally the light-transmitting raw material is obtained.
In the skin raw material, the polymer resin is one or a mixture of at least two of polyvinyl chloride, chlorinated polyethylene, acrylic acid, polyurethane, epoxy resin, vinyl chloride-vinyl acetate resin and silica gel.
In the skin material, the plasticizer is a phthalic plasticizer, a dibasic acid ester, a mixture thereof, or the like, and the phthalic plasticizer is, for example, dioctyl phthalate, dibutyl phthalate, diisononyl phthalate, or the like.
The stabilizer is magnesium stearate, calcium stearate, aluminum stearate, etc., which are lead salts, organic antimony, organic tin, metal soaps, pure organic compounds, etc., preferably metal soaps, among the surface materials.
In the skin material, the additive is an inorganic additive, such as light calcium carbonate, heavy calcium carbonate, ultrafine barium sulfate, or a mixture of at least two thereof, and the particle size is selected from the order of nanometers, preferably 15nm or less, since the additive is a solid particle.
In the epidermis raw materials, the weight ratio of the raw materials is as follows: 100 parts of light-transmitting raw materials, 70 parts of polymer resin, 65 parts of plasticizer, 5 parts of stabilizer and 1 part of additive.
The epidermis raw materials are mixed and poured into a stirring tank for mixing and stirring, and the mixture is stirred for 25 to 30 minutes at 400 to 600RPM, for 25 to 30 minutes at 800 to 1000RPM, and for 25 to 30 minutes at 1500 to 2000 RPM. And dispersing and stirring are carried out under the condition of gradually increasing rotating speed, so that the materials are fully fused and dispersed.
And pouring the dissolved epidermis raw material into a three-roller grinding machine for grinding for at least 3 times, and stopping grinding when the fineness is below 5 mu m.
The grinding is carried out step by the processes of rough grinding, fine grinding and fine grinding, so that the grinding fineness can be ensured, and after each grinding, the fineness is measured by using a scraper fineness meter to adjust the grinding precision according to the fineness result.
And (3) defoaming the ground raw materials in a vacuum defoaming box under the pressure of-0.5 MPa to-0.1 MPa to discharge bubbles from the raw materials. Theoretically, the time is long, the defoaming effect is good, but the time is wasted, the preferable time is 40 minutes to 50 minutes, and finally the skin raw material is obtained.
And coating the prefabricated light-transmitting skin raw material on release paper for drying and cooling. Then stripping the release paper, carrying out secondary drying, and finally carrying out curing treatment. The light-transmitting skin raw material is not subjected to a foaming process or is subjected to a micro-foaming process, and the foaming ratio of the micro-foaming process is less than or equal to 1.5.
In the drying process, the first drying temperature is preferably 115-125 ℃, the drying time is preferably 15-20 minutes, the second drying temperature is preferably 140-150 ℃, and the drying time is preferably 5-10 minutes. And a sectional drying mode is adopted, so that the full drying of the product is ensured.
In order to ensure the service life stability of the product and the later-stage process operability, the aging treatment is carried out at the preferable temperature of 35-40 ℃ for 24 hours.
In order to enhance the surface wear resistance, a surface treatment agent needs to be sprayed, a water-based polyurethane material is preferably selected, the spraying process is adopted, embossing treatment can be selected after drying, various patterns can be engraved on a roller, different requirements of customers are met, and finally the light-transmitting decorative finish layer is obtained.
The reinforcing layer is required to have a hand feeling buffering effect and good mechanical strength;
in the raw materials of the reinforcing layer, the raw materials in parts by weight are as follows: 100 parts of polymer resin, 50 parts of plasticizer, 5 parts of stabilizer, 0.2 part of defoaming agent and 1 part of additive.
The raw materials of the reinforcing layer are mixed, stirred, ground and defoamed by polymer resin, plasticizer, stabilizer, defoaming agent and inorganic raw material additive to obtain the raw material of the intermediate reinforcing layer. The technological process is the same as the preparation process of the light-transmitting surface material.
In the raw material of the reinforcing layer, the defoaming agent is polyether type, organic silicon type or polyether modified organic silicon type, and polydimethylsiloxane and simethicone are preferably selected.
In order to ensure good performance, the method can be realized by adding a small amount of or even not adding pigments and dyes into the layer material, and simultaneously selecting a light-colored or even colorless transparent substrate and an auxiliary agent.
Coating a reinforcing layer raw material on the surface layer, attaching woven cloth or three-dimensional fabric, spraying glue, drying, standing and curing to obtain a light-transmitting surface layer middle reinforcing layer compound, wherein the glue spraying thickness is at least 2 times of the surface layer thickness in order to ensure the rebound hand feeling.
The attached woven fabric or three-dimensional fabric may be optionally provided with a hole structure in consideration of the resilient touch and light transmission property. The term "hole" as used herein means that the cross section of the intermediate layer can be observed by optical magnification of 500 times or less. The holes can be only arranged inside the middle layer or on the surface of the middle layer; the holes can be isolated or communicated with each other.
The reinforcement layers prepared by the foregoing are of the woven and three-dimensional textile type. The spacer fabric is also referred to as a 3D mesh, a 3D fabric, a three-dimensional fabric, a 3D spacer fabric, a 3D mesh fabric, a sandwich fabric, an air layer fabric, or the like, and specifically, it has a significant thickness compared to a conventional fabric, and particularly, has spacer threads arranged in a vertical direction between the front and back surface layers of the fabric. The reinforcing layer, due to its low density and void morphology, can impart a soft feel and resiliency to the light-permeable skin.
The skin needs to have good mechanical strength to ensure repeated pulling without causing deformation of the skin when the component is wrapped.
For perforation, the decorative pattern may be an image, a character, a logo, or any other form designed by the designer to be displayed.
The punching process can use a laser engraving machine or a laser engraving machine to perform laser engraving on the patterns; meanwhile, a set pattern needle plate can be used for die cutting and punching.
On the premise of not damaging the design purpose of the utility model, the surface layer and the reinforcing layer can be selectively added with flame retardant, ultraviolet absorber, anti-aging agent, filler, lubricant, antifriction agent, compatilizer, cross-linking agent, reaction promoter, fluidity improver and other additives.
According to the utility model discloses, when this printing opacity veneer leather is used in automotive interior with pattern hole leather, promoted automotive interior's grade, decorative effect and the experience of driving greatly.
It should be understood that the patterned hole leather is not limited to automotive interior applications, but may be used in other applications, with the reinforcement layer being eliminated depending on the customer requirements.
Claims (6)
1. A patterned Kong Pige comprising: be provided with through-hole (1) on the leather, and the leather includes surface coating, epidermal layer and enhancement layer, the upper portion of epidermal layer is provided with surface coating, and the lower part is provided with the enhancement layer.
2. The design Kong Pige as in claim 1, wherein: the reinforcing layer comprises a raw material additive layer and a fabric layer, and the raw material additive layer is arranged on the upper portion of the fabric layer.
3. The patterned belt of claim 1, wherein the pattern Kong Pige comprises: the surface of the surface layer is provided with embossing.
4. The design Kong Pige as in claim 1, wherein: the through holes (1) are arranged into a plurality of through holes, and the through holes (1) are arranged according to a preset pattern.
5. The design Kong Pige of claim 1 or 4, wherein: the diameter range of the through holes (1) is 0.8mm-2mm, the distance between every two adjacent through holes (1) is more than 1.5 times of the aperture, and the total area of the through holes (1) is less than 35% of the area of the leather.
6. The patterned Kong Pige of claim 3 wherein: the embossed surface is a leather-like texture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221163997.9U CN217536480U (en) | 2022-05-16 | 2022-05-16 | Kong Pige with pattern |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221163997.9U CN217536480U (en) | 2022-05-16 | 2022-05-16 | Kong Pige with pattern |
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| CN217536480U true CN217536480U (en) | 2022-10-04 |
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| CN202221163997.9U Active CN217536480U (en) | 2022-05-16 | 2022-05-16 | Kong Pige with pattern |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908577A (en) * | 2022-05-16 | 2022-08-16 | 长春盖尔瑞孚艾斯曼汽车零部件有限公司 | Leather with pattern holes and preparation method thereof |
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- 2022-05-16 CN CN202221163997.9U patent/CN217536480U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908577A (en) * | 2022-05-16 | 2022-08-16 | 长春盖尔瑞孚艾斯曼汽车零部件有限公司 | Leather with pattern holes and preparation method thereof |
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