CN104831545A - Steering wheel leather fabric and producing method thereof - Google Patents
Steering wheel leather fabric and producing method thereof Download PDFInfo
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- CN104831545A CN104831545A CN201510078246.5A CN201510078246A CN104831545A CN 104831545 A CN104831545 A CN 104831545A CN 201510078246 A CN201510078246 A CN 201510078246A CN 104831545 A CN104831545 A CN 104831545A
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Abstract
The invention relates to the field of automobile parts and especially relates to a steering wheel leather fabric and a producing method thereof. The steering wheel leather fabric includes, from top to bottom successivelyin a manner of integrated composition: a coated decorative layer, leather blank, a glue layer and a base cloth. The steering wheel leather fabric not only satisfies physical performance requirements of users but also employs one cowhide as two cow hides, so that the leather, which is a limited resource, can be effectively utilized more fully, thereby saving cost and increasing use space of the leather. The steering wheel leather fabric is reduced in surface damage, is increased in utilization rate, and meanwhile, a defect of poor position and tearing in leather, which is a natural material, can be improved.
Description
Technical field
The present invention relates to automobile component field, particularly a kind of steering wheel leather fabric and preparation method thereof.
Background technology
Vehicle steering is the device that driver handles vehicle traveling direction, and along with the development of automobile industry, people pursue joyful impression of driving, and that plentiful naturally resilient ox-hide is widely applied at vehicle steering, thus create automobile leather steering wheel leather.
Steering wheel leather is generally based on two layers, ox-hide head layer in the market, because ox-hide is natural material, Present site difference and natural disability, exist after processing some flaws that cannot cover and avoid (loose side, two layers of orange peel line) and elastic force direction uneven to, the phenomenons such as tearing strength is not up to standard, the serious effective utilization (utilization rate 30-50%) affecting resource, the waste greatly of resource, and production cost is high.
Summary of the invention
The present invention is directed to the defect above existing leather, provide a kind of steering wheel leather fabric, this leather fabric decreases surperficial disability, improves the utilization rate of leather, and the position difference simultaneously improving this natural material of leather tears the defects such as difference.
The present invention also provides a kind of preparation method of described steering wheel leather fabric.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of steering wheel leather fabric, this steering wheel leather fabric is followed successively by coatings, scytoblastema, glue layer and Ji Bu from top to bottom, and coatings, scytoblastema, glue layer become to be integrated with composite for base fabric.Steering wheel leather fabric of the present invention had both met the demand of Guest Physical performance, made again an original ox-hide become two, made these limited resources of leather be able to effectively utilize more fully, cost-saving, increased the usage space of leather.
As preferably, described scytoblastema is ox-hide, and coatings is aqueous polyurethane coating, and the thickness of base cloth is 0.5-0.6mm.
As preferably, the thickness of this steering wheel leather fabric is 1.2-1.5mm.
As preferably, described coatings comprises the priming coat being positioned at scytoblastema surface and the finishing coat be covered on priming coat.Priming coat is used for covering the original flaw of leather surface, thus can obtain the available leather of the high-quality of indefectible or a small amount of flaw, and two sides all has the top layer that may be used for leather finish and use.Finishing coat can need to regulate formula of size according to client, makes the decorative coating that scytoblastema surface forms shades of colour, pattern enriches.
A preparation method for described steering wheel leather fabric, the method comprises the steps:
The coating of a, coatings: the scytoblastema selecting thickness 1.4-1.6mm, one deck aqueous polyurethane slurry is respectively applied at its positive and negative, after dry process, scytoblastema surface forms priming coat, respectively applies one deck decorative paint again after grinding process at scytoblastema positive and negative, forming surface coating after dry;
B, split, with composite for base fabric obtain product: adopt splitter to be divided equally by the leather that previous step two outer surfaces are coated with coatings, it is made to be divided into two along centre, obtain the leather of two pieces of thickness between 0.7-0.8mm, roller glue is carried out by roll coater in one side of then opening at sheet, make its surface coating one deck glue layer, compounding machine is adopted to carry out the compound with base cloth after roller glue, make Ji Bu be fixed on the leather back side, obtain the product of coatings, scytoblastema, glue layer and Ji Bu four-layer structure compound.
Coatings is used for covering the original flaw of leather surface, obtains the available leather of the high-quality of indefectible or a small amount of flaw, and two sides may be used to the top layer of leather finish use.The elastic force of the steering wheel leather fabric product that the method obtains, the elastic force of base cloth and direction and tearing strength will be relied on to be fixed with elastic force direction and tear strength of leather, make leather primary characteristic obtain a controlled change along with the adjustment of Ji Bu, meet user demand and the physical performance index of client.
As preferably, described aqueous polyurethane slurry comprises in mass fraction: described aqueous polyurethane slurry comprises with parts by weight: wood powder 0-10 part, anion surfactant 0.5-2.5 part, non-ionic surface active agent 1-3 part, solvent 2-8 part, mill base 5-8 part, levelling agent 0.2-1.0 part, defoamer 0.5-1 part, polyurethane resin 100 parts.The component feature of aqueous polyurethane slurry is convenient to configuration, and in operation process, environmental pollution is little, to personnel without harm.
As preferably, described decorative paint comprises with parts by weight: water 150-200 part, polyurethane 450-500 part, acrylic resin 100-150 part, pigment 100-180 part, hand feeling agent 80-130 part, levelling agent 20-60 part, crosslinking agent 100-150 part.The formula of this decorative paint can adjust according to customer demand, to obtain the leather fabric special color in surface and pattern.
In the main raw material of aqueous polyurethane slurry:
A, polyurethane resin: be generally normal wet resin, mill skin is special, the special and cold-resistant resin of impregnation etc., and the modulus (100%) of resin is not from 2.0MPa to 30.0MPa etc.According to scytoblastema soft durometer, select high low modulus trade mark resin, single coating bass is because abscess is little, density is large, often add a large amount of wood powder and other fillers, therefore when product is used for cold district, the cold tolerance of product be taken into full account, adopt the resin that cold tolerance is good;
B, wood powder: in single coating bass, use a certain amount of wood powder, product cost can be reduced, the effect of skeleton can be played again in process of setting, the wood powder of different model producer, its coefficient of expansion is different, and so just when equal other materials is identical, its viscosity number is all not identical, also directly have influence on the quality of product and corresponding cost, the fineness requirement of wood powder generally will reach more than 400 orders;
C, anion surfactant (AR-70): be also called quickly penetrating agent, there is hydrophily.Mainly play the exchange velocity accelerating DMF and water, improve speed of production, make abscess fine and closely wovenization simultaneously.Anion surfactant can generate spheric bulb pore structure, increases resilience, gas permeability, poisture-penetrability.General addition between 0.5%-2.5%, as added, the easy warp of coating, flatness decline;
D, non-ionic surface active agent (SD-80): have hydrophobicity, can postpone the setting rate on surface, and inner DMF and water thus can be made to exchange quickly, and can generate the foam structure of needle-like, addition is 1%-3%, and excessive speed of production is influenced;
E, solvent: for dissolving and dilution polyurethane resin, directly coordinate polyurethane resin, the viscosity of adjustment slurry, when consumption is large, in process of setting, improve setting rate and increase foam structure;
F, mill base: the product that single solvent system should be selected, usual addition is 5%-8%;
E, suitable selection can add some levelling agents and defoamer.
The invention has the beneficial effects as follows: steering wheel leather fabric of the present invention maintains the texture of leather corium, improve the impact that leather inherent defect uses leather simultaneously, improve original natural leather position difference greatly, the main leather originally that makes can be prepared into two leathers, and improve the surcharge of leather, also improve leather utilization rate (50%-65%) simultaneously, effectively reduce leather cost, have the market competitiveness.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
In figure: coatings 1, scytoblastema 2, glue layer 3, base cloth 4.
Detailed description of the invention
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.Should be appreciated that enforcement of the present invention is not limited to the following examples, any pro forma accommodation make the present invention and/or change all will fall into scope.
In the present invention, if not refer in particular to, all parts, percentage are unit of weight, and the equipment adopted and raw material etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the conventional method of this area.
Non-ionic surface active agent, model SD-80; Anion surfactant, model AR-70; Glue, west card waits automobile environment-protection type glue.
Embodiment 1-4:
A kind of steering wheel leather fabric as shown in Figure 1, this steering wheel leather fabric is followed successively by coatings 1, scytoblastema 2, glue layer 3 and Ji Bu 4 from top to bottom, and coatings, scytoblastema, glue layer become to be integrated with composite for base fabric.Coatings comprises the priming coat being positioned at scytoblastema surface and the finishing coat be covered on priming coat.Scytoblastema is ox-hide, and coatings is aqueous polyurethane coating, and the thickness of base cloth is 0.5-0.6mm.The THICKNESS CONTROL of this steering wheel leather fabric is at 1.2-1.5mm.
The selection of scytoblastema: the environment-friendly type ox-hide selecting to meet in the market automotive trim requirement can (containing head layer and two layers).
The selection of base cloth: thickness 0.5-0.6mm, have in point (the elastic force direction) of warp-wise broadwise, ensure that meeting client's elastic force direction when using requires that (tearing strength defining according to leather final products) is generally not less than 1.2 times of Customer Standard, and meet the environmental protection standard (volatile matter, smell etc.) of general automotive trim.
The environmental type meeting national requirements selected by glue, as the automobiles such as Xi Kajiaoshui widely use product.
The preparation method of above-mentioned steering wheel leather fabric, the method step is as follows:
The coating of a, coatings: the scytoblastema selecting thickness 1.4-1.6mm, one deck aqueous polyurethane slurry is respectively applied at its positive and negative, the proportioning of aqueous polyurethane slurry is in table 1, after dry process, scytoblastema surface forms priming coat, one deck decorative paint is respectively applied at scytoblastema positive and negative again after grinding process, the proportioning of decorative paint is in table 2, and drying is forming surface coating afterwards;
B, split, with composite for base fabric obtain product: adopt splitter to be divided equally by the leather that previous step two outer surfaces are coated with coatings, it is made to be divided into two along centre, obtain the leather of two pieces of thickness between 0.7-0.8mm, roller glue is carried out by roll coater in one side of then opening at sheet, make its surface coating one deck glue layer, compounding machine is adopted to carry out the compound with base cloth after roller glue, make Ji Bu be fixed on the leather back side, obtain the product of coatings, scytoblastema, glue layer and Ji Bu four-layer structure compound.
C, surface to be polished, draw soft, mend wound, repair the process amount of the carrying out leather again such as skin.
D, carry out surface roller coating continuing to use normal leather finish technique, spraying, embossing, the process such as top slurry deburring inspection, then the amount of carrying out leather warehouse-in.
Leather split process technology requires: demand high accuracy splitter, and error range, between 0.5-0.1mm, ensures that product thickness tolerance meets the requirement of required product thickness.
Table 1 aqueous polyurethane formula of size (unit: kg)
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Wood powder | 9 | 8 | 10 | 8 |
| Anion surfactant AR-70 | 2.5 | 2 | 1.5 | 0.5 |
| Non-ionic surface active agent SD-80 | 3 | 2 | 2 | 1 |
| Solvent | 20 | 25 | 20 | 25 |
| Mill base | 5 | 6 | 8 | 8 |
| Levelling agent | 0.2 | 1 | 0.5 | 0.5 |
| Defoamer | 0.5-1 | 0.5 | 1 | 1 |
| Resin | 100 | 100 | 100 | 100 |
Table 2 decorative paint formula (unit: kg)
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Water | 150 | 150 | 180 | 200 |
| Polyurethane | 450 | 480 | 450 | 500 |
| Acrylic resin | 100 | 120 | 140 | 150 |
| Pigment | 180 | 120 | 100 | 150 |
| Hand feeling agent | 80 | 80 | 100 | 130 |
| Levelling agent | 20 | 20 | 40 | 60 |
| Crosslinking agent | 100 | 100 | 120 | 150 |
Time polyurethane ratio is large, top finishing layer moulds sense by force, and kishke feel is poor, and physical property is strong, and cost is high,
According to GB QB/T 2,703 2005, (two layers, ox-hide is torn and percentage elongation for example (head layer itself is more better than two layers) carries out following detection, and test result is in table 3 for the steering wheel leather fabric obtain the present invention and existing leather.
Table 3
Different product parameters is formulated in the requirement that the inventive method is different according to client, and optimized is thickness 1.2mm (wherein leather 0.6mm, base cloth 0.6mm) cost transitivity optimization.
The preparation method of leather fabric of the present invention can extensive use and other products as upper leather, the fancy leathers such as case and bag, make its many-sided uncontrollability of natural material originally, become a controlled scope.Utilize Optimizing manufacture and standardized work.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (7)
1. a steering wheel leather fabric, is characterized in that: this steering wheel leather fabric is followed successively by coatings, scytoblastema, glue layer and Ji Bu from top to bottom, and coatings, scytoblastema, glue layer become to be integrated with composite for base fabric.
2. steering wheel leather fabric according to claim 1, is characterized in that: described scytoblastema is ox-hide, and coatings is aqueous polyurethane coating, and the thickness of base cloth is 0.5-0.6mm.
3. steering wheel leather fabric according to claim 1, is characterized in that: the thickness of this steering wheel leather fabric is 1.2-1.5mm.
4. steering wheel leather fabric according to claim 1, is characterized in that: described coatings comprises the priming coat being positioned at scytoblastema surface and the finishing coat be covered on priming coat.
5. a preparation method for steering wheel leather fabric according to claim 4, is characterized in that the method comprises the steps:
The coating of a, coatings: the scytoblastema selecting thickness 1.4-1.6mm, one deck aqueous polyurethane slurry is respectively applied at its positive and negative, after dry process, scytoblastema surface forms priming coat, respectively applies one deck decorative paint again after grinding process at scytoblastema positive and negative, forming surface coating after dry;
B, split, with composite for base fabric obtain product: adopt splitter to be divided equally by the leather that previous step two outer surfaces are coated with coatings, it is made to be divided into two along centre, obtain the leather of two pieces of thickness between 0.7-0.8mm, roller glue is carried out by roll coater in one side of then opening at sheet, make its surface coating one deck glue layer, compounding machine is adopted to carry out the compound with base cloth after roller glue, make Ji Bu be fixed on the leather back side, obtain the product of coatings, scytoblastema, glue layer and Ji Bu four-layer structure compound.
6. the preparation method of steering wheel leather fabric according to claim 5, it is characterized in that: described aqueous polyurethane slurry comprises with parts by weight: wood powder 0-10 part, anion surfactant 0.5-2.5 part, non-ionic surface active agent 1-3 part, solvent 2-8 part, mill base 5-8 part, levelling agent 0.2-1.0 part, defoamer 0.5-1 part, polyurethane resin 100 parts.
7. the preparation method of steering wheel leather fabric according to claim 5, it is characterized in that: described decorative paint comprises with parts by weight: water 150-200 part, polyurethane 450-500 part, acrylic resin 100-150 part, pigment 100-180 part, hand feeling agent 80-130 part, levelling agent 20-60 part, crosslinking agent 100-150 part.
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| CN201510078246.5A CN104831545B (en) | 2015-02-13 | 2015-02-13 | Steering wheel leather fabric and preparation method thereof |
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| CN110016812A (en) * | 2019-03-13 | 2019-07-16 | 广东前进牛仔布有限公司 | A kind of coating fabric and preparation method thereof |
| CN111020071A (en) * | 2019-12-27 | 2020-04-17 | 浙江铁凝汽车用品有限公司 | Steering wheel curtain coating composite leather and preparation method thereof |
| CN111286563A (en) * | 2020-03-02 | 2020-06-16 | 明新旭腾新材料股份有限公司 | Automobile steering wheel leather with good heat dissipation effect and preparation method thereof |
| CN112776496A (en) * | 2019-11-07 | 2021-05-11 | 李尔公司 | Encapsulated foil leather transfer |
| CN113278743A (en) * | 2021-05-18 | 2021-08-20 | 辽宁富新新材料有限公司 | Steering wheel leather resistant to heat shrinkage and preparation method thereof |
| CN114407450A (en) * | 2021-12-08 | 2022-04-29 | 革乐美时尚有限公司 | Composite leather and preparation method thereof |
| CN115109872A (en) * | 2022-03-21 | 2022-09-27 | 石家庄恒昌皮革有限公司 | Animal leather, leather product and manufacturing process thereof |
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| CN202753501U (en) * | 2012-04-28 | 2013-02-27 | 浙江明新皮业有限公司 | Wear resistant leather of automotive steering wheel |
| CN103146276B (en) * | 2013-03-12 | 2016-01-20 | 常州展华机器人有限公司 | Leather moditied processing matrix material and preparation method thereof |
| CN204526292U (en) * | 2015-02-13 | 2015-08-05 | 海宁中驰皮革有限公司 | Steering wheel leather fabric |
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- 2015-02-13 CN CN201510078246.5A patent/CN104831545B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110016812A (en) * | 2019-03-13 | 2019-07-16 | 广东前进牛仔布有限公司 | A kind of coating fabric and preparation method thereof |
| CN112776496A (en) * | 2019-11-07 | 2021-05-11 | 李尔公司 | Encapsulated foil leather transfer |
| CN112776496B (en) * | 2019-11-07 | 2023-09-26 | 李尔公司 | Encapsulated foil leather transfer |
| US11919430B2 (en) | 2019-11-07 | 2024-03-05 | Lear Corporation | Encapsulated foil leather transfer |
| CN111020071A (en) * | 2019-12-27 | 2020-04-17 | 浙江铁凝汽车用品有限公司 | Steering wheel curtain coating composite leather and preparation method thereof |
| CN111286563A (en) * | 2020-03-02 | 2020-06-16 | 明新旭腾新材料股份有限公司 | Automobile steering wheel leather with good heat dissipation effect and preparation method thereof |
| CN113278743A (en) * | 2021-05-18 | 2021-08-20 | 辽宁富新新材料有限公司 | Steering wheel leather resistant to heat shrinkage and preparation method thereof |
| CN113278743B (en) * | 2021-05-18 | 2023-09-19 | 辽宁富新新材料有限公司 | Heat-shrinkage-resistant steering wheel leather and preparation method thereof |
| CN114407450A (en) * | 2021-12-08 | 2022-04-29 | 革乐美时尚有限公司 | Composite leather and preparation method thereof |
| CN115109872A (en) * | 2022-03-21 | 2022-09-27 | 石家庄恒昌皮革有限公司 | Animal leather, leather product and manufacturing process thereof |
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| CN104831545B (en) | 2016-09-07 |
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Effective date of registration: 20190730 Address after: 311604 No. 8 Xinsheng Road, Meicheng City, Jiande City, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Tiening Automotive Products Co., Ltd. Address before: 314423 Xinxing Luxi, Haining Agricultural Development Zone, Jiaxing City, Zhejiang Province Patentee before: Haining Zhong Chi leather Co., Ltd |
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