CN103507313B - A kind of TPU synthetic leather sticking on natural leather - Google Patents
A kind of TPU synthetic leather sticking on natural leather Download PDFInfo
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- CN103507313B CN103507313B CN201210226479.1A CN201210226479A CN103507313B CN 103507313 B CN103507313 B CN 103507313B CN 201210226479 A CN201210226479 A CN 201210226479A CN 103507313 B CN103507313 B CN 103507313B
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Abstract
The present invention relates to a kind of leather field of new, particularly relate to a kind of TPU synthetic leather sticking on natural leather.The TPU synthetic leather sticking on natural leather of the present invention, it comprises TPU membrane and natural leather.Described TPU membrane, by hot pressing mode or glue bonding method or the top layer or the nexine that are combined in natural leather by Hot melt adhesive plaster, forms a kind of special synthetic leather.Technological achievement of the present invention is: 1, as TPU membrane being attached to the surface of natural leather, can improve the functions such as wear-resisting, the environment-protective no-smell of corium, nondiscolouring, and surface-brightening, smooth, soft, elasticity is higher.2, as TPU membrane is attached at the nexine of corium, when leather being made the product such as clothes, shoes, not only can increase the waterproof of product, airing function, also can prevent skin and peculiar smell from producing, comfortable and easy to wear, greatly improve the practical value of corium.
Description
Technical field:
The present invention relates to natural cladding product processing technique field, particularly relate to a kind of TPU synthetic leather sticking on natural leather.
Background technology:
1, natural leather it comprise: pig leather, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather etc., separately also comprise the natural leathers such as fish skin leather, reptile leather, amphibian animal leather, ostrich.Natural leather is exactly the Natural Materials that people are familiar with and get close to very much since ancient times, is widely used in the clothes of people's daily life, shoes, bag, the expensive goods such as various sofa, seat.But the composition due to natural leather is the protein of 100%, therefore it does not possess water proofing property and anti-friction, scratch resistant function, bakes through damp, fire, and contact chemical substance can cause phenomenon of fading or fade, and natural leather is forever not as good as artificial leather light.
And TPU has remarkable high-tension, high-tensile strength, tough and ageing-resistant characteristic, be a kind of environment-friendly materials of maturation.At present, TPU has been widely used in the aspects such as clothing, footwear, health care, electronic apparatus, industry and physical culture, have other plastics and the characteristic such as the incomparable intensity of natural material is high, good toughness, wear-resisting, cold-resistant, oil resistant, water-fast, ageing-resistant, weatherability, it also has the function of many excellences such as very high water proofing property poisture-penetrability, windproof, cold-proof, antibacterial, mildew-resistant, warming, uvioresistant and fault offset simultaneously.TPU and other macromolecular material are processed jointly, can obtain the polymer of performance complement.
Summary of the invention:
The object of the invention is to the defect for natural leather and a kind of TPU synthetic leather sticking on natural leather is provided, greatly can improve practical value and the serviceability of natural leather, reduce natural leather article to the inadaptability of human body, improve wear-resisting, the waterproof of leather, the function such as anti-friction, ventilative, and can keep leather finishing colour-fast, fade.
For achieving the above object, the present invention adopts following technical scheme:
Stick on a TPU synthetic leather for natural leather, it comprises natural leather and TPU membrane layer, and described leather layer to be sticked TPU membrane layer by the mode of hot pressing or glue or PUR.
Described TPU layer can be provided with embossing or printed layers.
Described natural cladding refers to: the pig leather after being processed by tanning, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather head layer or double-layer leather etc., separately also comprise the leathers such as fish-skin, reptile, amphibian animal, ostrich.
Stick on a TPU synthetic leather for natural leather, it comprises following preparation scheme:
The natural leather of scheme one, rolling and TPU membrane carry out feeding by feeding roller respectively, if fitted with hot-press method between natural leather and TPU membrane, namely natural leather and TPU membrane are heated and pressurized treatments, natural leather and TPU membrane hot pressing are integrated, the synthetic leather becoming to be integrated is admitted in cooling device and carries out cooling processing, finally batches shaping.
If with glue laminating between scheme two natural leather and TPU membrane, namely paste in TPU membrane after glue natural leather, then natural leather and TPU membrane hot pressing are fitted, make natural leather and TPU membrane be bonded as one by glue, finally batch.
Scheme three, as adopt PUR fit natural cladding time, TPU PUR is drenched on natural leather by extruder die head, then sticks on TPU membrane, by briquetting roller to pressure, makes together with natural cladding fits with TPU membrane, then through supercooling, then batches shaping.
The heating-up temperature of described heater is 20 DEG C ~ 300 DEG C, and described extruder die head temperature is 20 DEG C ~ 300 DEG C; The temperature of described melting is 80 DEG C ~ 250 DEG C; The chilling temperature of described cooling device is-20 DEG C ~ 50 DEG C.
Beneficial effect of the present invention is: the composition due to natural leather is the protein of 100%, so it does not possess water proofing property and anti-friction, scratch resistant function, and through damp, fire is roasting, also phenomenon of fading or fade can be caused after contact chemical substance, and natural leather is forever not as good as artificial leather light, but the intensity that TPU has other plastic material incomparable is high, good toughness, wear-resisting, cold-resistant, oil resistant, water-fast, ageing-resistant, the characteristics such as weatherability, he has high water proofing property poisture-penetrability simultaneously, windproof, cold-proof, antibacterial, mildew-resistant, warming, the function of many excellences such as uvioresistant and fault offset.TPU and natural leather are sticked and are integrated, not only natural leather is played a very good protection, but also compensate for the various defects of natural leather, make it not easily produce to break, wear and tear, variable color and fading.
Accompanying drawing illustrates:
Fig. 1 is the present invention's heating, schematic diagram to pressure method;
Fig. 2 is the schematic diagram that the present invention adopts glue applying method;
Fig. 3 is that the present invention adopts PUR to stick on the schematic diagram of natural cladding;
Detailed description of the invention:
The present invention is further illustrated below in conjunction with accompanying drawing!
A kind of natural leather of the present invention sticks on TPU leather, and it comprises leather layer and TPU film layer, and described leather layer is fitted with TPU film by hot pressing mode.Further, described TPU layer can be provided with embossing or printed layers, can impress or print various word and pattern.Enter
One step, described natural leather comprises the pig leather after tanning processing, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather head layer or double-layer leather,
Also comprise the leathers such as fish-skin, reptile, amphibian animal, ostrich.
A kind of TPU synthetic leather sticking on natural leather of described production comprises with four kinds of methods:
As shown in Figure 1, if natural skin and TPU leather hot-press method are fitted, then the natural skin 6 of rolling and TPU membrane 5 are respectively by the feeding simultaneously of two cradles, after natural leather 6 and TPU membrane 5 are admitted to and heat in heater 1, pressurized treatments is carried out again by embossed wheel 3, make natural cladding 6 and TPU expect that 5 hot pressing are integrated, the natural synthetic leather becoming to be integrated processes through apparatus for supercooling 2 again, then arrives devices for taking-up 4 and batches shaping.
As preferred embodiment, the heating-up temperature of the heating-up temperature heater of described heater 1 is 20 DEG C ~ 300 DEG C, and the chilling temperature of cooling device 2 is-20 DEG C ~ 50 DEG C.Described heater 1 is electrical heating, oil heats, gas heats or roller heating device, specifically needs according to actual process and determines; Described cooling device 2 is air cooling or water-cooling apparatus, or freezes water machine.
As shown in Figure 2, if fitted with glue between natural leather and TPU membrane.
That is: natural cladding 6 is sent on glue coating wheel 2 by cradle 1, and glue coating wheel is even by the glue blade coating on glue coating wheel 2 by scraper 7, so natural cladding 6 is being close in glue coating wheel 2 running, and glue sticks on natural cladding 6 naturally.The die head that the natural cladding 6 being stuck glue is sent to TPU membrane output device through delivery wheel just fits together with TPU membrane 5 for 4 times, carried out hot pressing by the briquetting roller 3 of natural leather through being provided with constant temperature of laminating TPU membrane, leather and TPU membrane is made to be bonded as one, last cooling forming---batch.
As preferred embodiment, the temperature of described constant temperature shaping wheel is 80 DEG C ~ 90 DEG C, and the described natural cladding speed of service and TPU membrane output speed control automatically by motor, effective speed 2 ~ 150m/min.
As shown in Figure 3, as natural leather and TPU membrane PUR are fitted.
Then natural leather 6 and TPU membrane 5, by decorative pattern to pinch roller time, being arranged on decorative pattern pours on natural leather to the extruder die head 7 above pinch roller by PUR melt body 8, pinch roller is carried out pressure through stamp with the natural leather of PUR melt body and TPU membrane, natural leather 6 and TPU membrane 5 are close together, natural leather and TPU membrane are become synthetic leather 9 by after pressure, then after the cooling and shaping through being provided with constant temperature takes turns 3 cooling formings, batch.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (3)
1. stick on a production method for the TPU synthetic leather of natural leather, it is characterized in that, comprise the following steps:
Step one, the natural leather of rolling and TPU membrane are carried out feeding by two feeding rollers respectively simultaneously;
Step 2, natural leather and TPU membrane are admitted in heater and heat, and the heating-up temperature of described heater is set as 20 DEG C ~ 300 DEG C;
Step 3, after heating devices heat, described natural leather and TPU membrane are admitted to embossed wheel and carry out pressurized treatments, and described natural leather and TPU membrane hot pressing are integrated;
The natural leather that step 4, hot pressing are integrated and TPU membrane carry out cooling processing through apparatus for supercooling, then output to devices for taking-up and batch shaping, and wherein the chilling temperature of cooling device is set as-20 DEG C ~ 50 DEG C;
Wherein said natural leather comprises the pig leather after tanning processing, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather head layer or double-layer leather, and the thickness of described natural leather is 1mm ~ 1.5mm; The thickness of described TPU membrane is 0.01mm ~ 5mm.
2. stick on a production method for the TPU synthetic leather of natural leather, it is characterized in that, comprise the following steps:
Step one, natural leather is sent on glue coating wheel by cradle, described glue coating wheel comprises upper and lower two glue coating wheels, natural leather is through walking around upper glue coating wheel two glue coating wheels, the bottom of lower glue coating wheel is immersed in coating groove, and the upside of lower glue coating wheel is provided with scraper, by scraper, the glue blade coating on lower glue coating wheel is even, then natural leather is in the process being close to the operation of lower glue coating wheel, and glue sticks on natural leather;
The natural leather of step 2, the glue that has been stuck is sent to through delivery wheel below the die head of TPU membrane output device, and fits together with the TPU membrane that die head provides;
Step 3, carried out hot pressing through the briquetting roller of constant temperature again by the natural leather of laminating TPU membrane, make natural leather and TPU membrane be bonded as one, last cooling forming, to batch;
The thermostat temperature of wherein said briquetting roller is 80 DEG C ~ 90 DEG C, and the described natural leather speed of service and TPU membrane output speed control automatically by motor, and speeds control is between 2 ~ 150m/min; Described natural leather comprises the pig leather after tanning processing, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather head layer or double-layer leather, and the thickness of described natural leather is 1mm ~ 1.5mm; The thickness of described TPU membrane is 0.01mm ~ 5mm.
3. stick on a production method for the TPU synthetic leather of natural leather, it is characterized in that, comprise the following steps:
Step one, by natural leather and TPU membrane by decorative pattern to pinch roller, being arranged on decorative pattern pours on natural leather to the extruder die head above pinch roller by PUR melt body, through decorative pattern, pinch roller is carried out pressure with the natural leather of PUR melt body and TPU membrane, natural leather and TPU membrane are close together;
Step 2, natural leather and TPU membrane are formed as synthetic leather by after pressure, and then carry out cooling forming through the cooling and shaping wheel of constant temperature, finally batch;
Wherein said PUR melt body is TPU hot melt, and the temperature of described extruder die head is set to 20 DEG C ~ 300 DEG C, and the temperature of described PUR melt body is 80 DEG C ~ 250 DEG C; Described natural leather comprises the pig leather after tanning processing, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather head layer or double-layer leather, and the thickness of described natural leather is 1mm ~ 1.5mm; The thickness of described TPU membrane is 0.01mm ~ 5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226479.1A CN103507313B (en) | 2012-06-22 | 2012-06-22 | A kind of TPU synthetic leather sticking on natural leather |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210226479.1A CN103507313B (en) | 2012-06-22 | 2012-06-22 | A kind of TPU synthetic leather sticking on natural leather |
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| Publication Number | Publication Date |
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| CN103507313A CN103507313A (en) | 2014-01-15 |
| CN103507313B true CN103507313B (en) | 2015-09-23 |
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| CN201210226479.1A Active CN103507313B (en) | 2012-06-22 | 2012-06-22 | A kind of TPU synthetic leather sticking on natural leather |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107933055A (en) * | 2017-11-24 | 2018-04-20 | 广东聚航新材料研究院有限公司 | Processing technology for rainbow illusion-colour thin-film sheet |
| CN112848611A (en) * | 2020-12-24 | 2021-05-28 | 北京服装学院 | Recycling process of leather waste |
| CN114683665A (en) * | 2020-12-31 | 2022-07-01 | 群光电子(苏州)有限公司 | Leather Forming one-step Forming process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200942615Y (en) * | 2006-07-17 | 2007-09-05 | 赵国量 | Synthetic leather |
| CN101456268A (en) * | 2007-12-14 | 2009-06-17 | 和成欣业股份有限公司 | Leather decoration plate and forming method |
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- 2012-06-22 CN CN201210226479.1A patent/CN103507313B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200942615Y (en) * | 2006-07-17 | 2007-09-05 | 赵国量 | Synthetic leather |
| CN101456268A (en) * | 2007-12-14 | 2009-06-17 | 和成欣业股份有限公司 | Leather decoration plate and forming method |
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| CN103507313A (en) | 2014-01-15 |
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Address after: 523000 Guangdong city in Dongguan Province town of Kau Ya Industrial Zone Applicant after: Dongguan Xionglin New Material Technology Co., Ltd. Address before: 523700 Guangdong city in Dongguan Province town of Kau Industrial Zone, Lin Ya male new material technology Applicant before: Dongguan Xionglin New Material Technology Co., Ltd. |
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Inventor after: He Jianxiong Inventor after: Wang Yiliang Inventor before: He Jianxiong |
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