CN103507313A - TPU (Thermoplastic polyurethane) synthetic leather labeled with natural leather - Google Patents
TPU (Thermoplastic polyurethane) synthetic leather labeled with natural leather Download PDFInfo
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- CN103507313A CN103507313A CN201210226479.1A CN201210226479A CN103507313A CN 103507313 A CN103507313 A CN 103507313A CN 201210226479 A CN201210226479 A CN 201210226479A CN 103507313 A CN103507313 A CN 103507313A
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Abstract
The invention relates to the field of new leather materials, and particularly relates to a TPU (thermoplastic polyurethane) synthetic leather labeled with natural leather. The TPU synthetic leather labeled with the natural leather disclosed by the invention comprises a TPU film and the natural leather, wherein the TPU film is adhered to the surface layer or inner layer of the natural leather in a hot-pressing mode or in a glue pasting mode or by using a hot melt adhesive so as to form special synthetic leather. The TPU synthetic leather disclosed by the invention has the technological achievements that 1, if the TPU film is adhered to the surface of the natural leather, the functions such as wear resistance, environmental friendliness, no peculiar smell, no discoloring and the like of genuine leather can be improved, and the surface of the leather is bright, smooth, soft, and high in elasticity; 2, if the TPU film is adhered to the inner layer of the genuine leather and the genuine leather is made into products such as clothes and shoes and the like, both the waterproof and breathable functions of the products can be increased, and the production of skin peculiar smells can be prevented, so that the products are comfortable to wear, and the practical value of the genuine leather is greatly improved.
Description
Technical field:
The present invention relates to natural cladding product processing technique field, relate in particular to a kind of TPU synthetic leather of 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 very familiar with and get close to since ancient times, is widely used in the clothes that people's daily life is used, shoes, bag, the expensive goods such as various sofas, seat.But due to the composition of the natural leather protein that is 100%, so it does not possess water proofing property and anti-friction, scratch resistant function, through damp, fire is roasting, contact chemical substance can cause the 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, is 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 that the incomparable intensity of other plastics and natural material is high, the characteristic such as 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, antibiotic, mildew-resistant, warming, uvioresistant and energy release simultaneously.TPU and other macromolecular material are processed jointly, can access the polymer of performance complement.
Summary of the invention:
The object of the invention is to for the defect of natural leather and a kind of TPU synthetic leather of sticking on natural leather is provided, can greatly improve practical value and the serviceability of natural leather, reduce the inadaptability of natural leather goods to 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:
A TPU synthetic leather for natural leather, it comprises natural leather layer and TPU rete, the mode of described leather layer by hot pressing or glue or the PUR TPU rete that has been sticked.
Described TPU layer can be provided with embossing or printed layers.
Described natural cladding refers to: the pig leather after processing 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.
A TPU synthetic leather for natural leather, it comprises following preparation scheme:
The natural leather of scheme one, rolling and TPU film carry out feeding by feeding roller respectively, if fitted with hot-press method between natural leather and TPU film, natural leather and TPU film are heated and pressurized treatments, natural leather and the hot pressing of TPU film are integrated, the synthetic leather becoming one is admitted in cooling device and carries out cooling processing, finally batches moulding.
If with glue laminating, to after glue on natural leather subsides TPU film, then by natural leather and TPU film hot pressing laminating, make natural leather and TPU film be bonded as one by glue between scheme two natural leathers and TPU film, finally batch.
Scheme three, when adopted PUR to fit natural cladding, TPU PUR is drenched on natural leather by extruder die head, then sticks on TPU film, by briquetting roller, to pressing, is made together with natural cladding fits with TPU film, then through supercooling, then batches moulding.
The heating-up temperature of described heater is 20 ℃～300 ℃, and described extruder die head temperature is 20 ℃～300 ℃; The temperature of described melting is 80 ℃～250 ℃; The chilling temperature of described cooling device is-20 ℃～50 ℃.
Beneficial effect of the present invention is: due to the composition of the natural leather protein that is 100%, so it does not possess water proofing property and anti-friction, scratch resistant function, and through damp, fire is roasting, after contact chemical substance, also can cause fading or fading phenomenon, and natural leather is forever not as good as artificial leather light, but it is high that TPU has the incomparable intensity of other plastic material, 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, antibiotic, mildew-resistant, warming, the function of many excellences such as uvioresistant and energy release.TPU and natural leather are sticked and are integrated, not only natural leather is played a very good protection, but also made up the various defects of natural leather, make its be difficult for producing break, wearing and tearing, variable color and fade.
Accompanying drawing explanation:
Fig. 1 is heating for the present invention, the 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;
The specific embodiment:
The present invention is further illustrated below in conjunction with accompanying drawing!
A kind of natural leather of the present invention is sticked on TPU leather, and it comprises leather layer and TPU thin 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 words and pattern.Enter
One step, described natural leather comprises pig leather, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather head layer or the double-layer leather after tanning processing,
Also comprise the leathers such as fish-skin, reptile, amphibian animal, ostrich.
A kind of TPU synthetic leather of sticking on natural leather of described production comprises with four kinds of methods:
As shown in Figure 1, if natural skin and TPU leather are fitted with hot-press method, the natural skin 6 of rolling and TPU film 5 are respectively by the feeding simultaneously of two cradles, after natural leather 6 and TPU film 5 are admitted to and heat in heater 1, by embossed wheel 3, carry out pressurized treatments again, make natural cladding 6 and TPU expect that 5 hot pressing are integrated, the natural synthetic leather becoming one is processed through apparatus for supercooling 2 again, then to devices for taking-up 4, batches moulding.
As preferred embodiment, the heating-up temperature of the heating-up temperature heater of described heater 1 is 20 ℃～300 ℃, and the chilling temperature of cooling device 2 is-20 ℃～50 ℃.Described heater 1, for electrical heating, oil heating, gas heating or roller heating device, specifically needs to determine according to actual process; Described cooling device 2 is the cooling or water-cooling apparatus of wind, or freezes water machine.
As shown in Figure 2, if fitted with glue between natural leather and TPU film.
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 in being close to glue coating wheel 2 runnings, glue sticks on natural cladding 6 naturally.The die head that the natural cladding 6 of glue of being stuck is sent to TPU film output device through delivery wheel just fits together with TPU film 5 for 4 times, by the natural leather of laminating TPU film, through being provided with the briquetting roller 3 of constant temperature, carried out hot pressing, make leather and TPU film be bonded as one, last cooling forming---batch.
As preferred embodiment, the temperature of described constant temperature shaping wheel is 80 ℃～90 ℃, and the described natural cladding speed of service and TPU film output speed are controlled automatically by motor, effective speed 2～150m/min.
As shown in Figure 3, as natural leather and TPU film are fitted with PUR.
The above is only better embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (5)
1. a TPU synthetic leather of sticking on natural leather, it comprises natural leather and TPU layer, it is characterized in that: described TPU layer is adopt hot pressing mode or glue bonding mode or adopt PUR TPU film to be fitted in to top layer or the nexine of natural cladding.
2. a kind of natural cladding according to claim 1 is sticked on TPU synthetic leather and be it is characterized in that: described natural leather is to comprise: pig leather, ox-hide leather, sheep, horse skin leather, donkey hide leather and kangaroo leather etc., separately also comprise the leathers such as fish-skin leather, reptile leather, amphibian animal leather, ostrich.
Further, described natural leather, is characterized in that: the leather of described various animals comprises its layer corium and two layers of leather.
3. natural leather is sticked on a product for TPU leather, and its method is:
The natural leather of method one, rolling and TPU film carry out feeding by feeding roller respectively, if fitted with hot-press method between natural leather and TPU film, natural cladding and TPU material are heated and pressurized treatments, natural cladding and the hot pressing of TPU material are integrated, the natural cladding becoming one and TPU material are admitted in cooling device and carry out cooling processing, finally batch moulding.
If with glue laminating, to after glue on natural leather or TPU film, then fitted with the hot pressing of TPU material between the natural cladding of method two and TPU material, make natural cladding and TPU material be bonded as one by glue, finally batch.
Method three, when adopted PUR to fit natural cladding, TPU hot melt is drenched on natural cladding by extruder die head, and then natural cladding and the laminating of TPU film pass through sizing cooling wheel to pressing, make natural cladding together with the laminating of TPU material, then batch moulding.
4. according to claim 3, the synthetic leather condition that a kind of natural leather is sticked on TPU is: the heating-up temperature of described heater is 20 ℃～300 ℃, and described extruder die head temperature is 20 ℃～300 ℃; The temperature of described melting is 80 ℃～250 ℃; The chilling temperature of described cooling device is-20 ℃～50 ℃.
5. according to described in claim 1～3, a kind of to stick on the synthetic described TPU film thickness of natural leather TPU be 0.01mm～5mm; Described natural cladding is any thickness, as: 1mm～1.5mm.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 true CN103507313A (en) | 2014-01-15 |
| CN103507313B CN103507313B (en) | 2015-09-23 |
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| CN201210226479.1A Expired - Fee Related CN103507313B (en) | 2012-06-22 | 2012-06-22 | A kind of TPU synthetic leather sticking on natural leather |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 thereof |
-
2012
- 2012-06-22 CN CN201210226479.1A patent/CN103507313B/en not_active Expired - Fee Related
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 thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
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| CN103507313B (en) | 2015-09-23 |
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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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Granted publication date: 20150923 |