CN103723438A - Wear-resistant composite TPU (Thermoplastic Polyurethane) conveying belt and manufacturing method thereof - Google Patents
Wear-resistant composite TPU (Thermoplastic Polyurethane) conveying belt and manufacturing method thereof Download PDFInfo
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Abstract
The invention discloses a wear-resistant composite TPU (Thermoplastic Polyurethane) conveying belt. The wear-resistant composite TPU conveying belt comprises a TPU conveying belt, wherein the surface layer and the bottom part of the TPU conveying belt are respectively coated with a layer of nylon film. A preparation method of the conveying belt comprises the following steps in sequence: sizing fabric, carrying out undercoating of glue on the front surface of the fabric, carrying out undercoating of the glue on the back surface of the fabric, coating the back surface of the fabric with a nylon layer, calendering a TPU layer on the front surface of the fabric, and calendering the nylon layer on the TPU layer to obtain the finished product, wherein the back surface of the fabric is undercoated with 320-mesh PA12 powder which is 0.1mm thick, and the processing temperature is 180-200 DEG C; when the PA layer is calendered on the TPU layer, the processing temperature is 180-190 DEG C and the composite pressure is 15-20Pa; in the calendering process, the temperature of the TPU layer is maintained at 160-180 DEG C. The wear-resistant composite TPU conveying belt disclosed by the invention has the advantages that the wearing resistance of the surface layer of the conveying belt is improved; the bonding performance between the surface layer and the fabric is improved; the same abrasion resistance is maintained in use of the whole conveying belt; the wearing resistance of the back surface of the fabric is improved and the friction coefficient is reduced.
Description
Technical field
The present invention relates to the manufacturing technology field of light-type conveyer belt, especially a kind of wear-resisting compound TPU load-transfer device and manufacture method thereof.
Background technology
TPU light-type conveyer belt is generally take polyester textile as framework material, mainly for delivery of light, middle quality material.Lightweight, easy for installation with it, the difficult advantages such as friction that produce of TPU light-type conveyer belt, are widely used in the industries such as logistics, airport, postal service, entertainment body-building.
TPU light-type conveyer belt is due to the problem of environment for use, in use very easily weares and teares in band surface and product bottom, the service life that therefore can reduce greatly load-transfer device.Traditional method is in TPU material, to add siliceous auxiliary agent at present, the wear resisting property that improves load-transfer device is had certain effect, but the compatibility of material in TPU is poor, easily to TPU surface migration, affect the bonding of TPU and polyester textile, in use procedure, not only can make TPU separation with polyester textile, also can cause the separation of TPU interlayer, simultaneously because anti-wear agent is to surface migration, the wear resisting property of load-transfer device can decline with the prolongation of period of service, therefore finds novel high-abrasive material significant.
Polyamide fibre is commonly called as nylon (Nylon), and English name Polyamide(is called for short PA), be on molecular backbone, contain recurring amide radical group-[NHCO]-thermoplastic base resin, there is mechanical strength high, the feature that dynamic ductility, resistance to abrasion and self lubricity are good.PA description of materials is a lot, as: nylon 6, nylon 66, nylon 12 etc., nylon 6 and nylon 66 structures, nylon 6 is polycaprolactam, and nylon 66 is PA 66.Nylon 66 is harder 12% than nylon 6, and nylon 12 is more soft.
Summary of the invention
The object of the invention is: a kind of wear-resisting compound TPU load-transfer device is provided.
A further object of the present invention is to provide a kind of manufacture method of described wear-resisting compound TPU load-transfer device.
The object of the invention is achieved through the following technical solutions: a kind of wear-resisting compound TPU load-transfer device, comprise TPU load-transfer device, and at described TPU load-transfer device surface layer and bottom, respectively cover one deck nylon film, to improve the wear resisting property of load-transfer device.Meanwhile, adopt PA layer to replace siliceous anti-wear agent, in the use procedure of whole load-transfer device, can keep identical wear hardness.
On such scheme basis, described nylon film is nylon 12.Because the kind of PA is more, various aspects of performance is widely different, selects PA12 in the present invention.PA12 has softness, fusing point is low, and the feature good with TPU compatibility also adopts PA12 to apply simultaneously in bottom, both can, in the fabric of protection bottom, also reduce bottom friction coefficient.
The invention provides a kind of preparation method of wear-resisting compound TPU load-transfer device, in the steps below: fabric sizing, the primary coat of fabric face glue, the primary coat of fabric backing glue, fabric backing nylon coated, fabric face calendering TPU layer, obtain finished product roll nylon layer on TPU layer after sequentially, wherein, described fabric backing primary coat fineness is 320 object nylon 12 powder, thickness is 0.1mm, and processing temperature is at 180～200 ℃; On described TPU layer, roll 180～190 ℃ of processing temperatures, the composite pressure 15～20Pa of PA layer, in calender line, described TPU layer temperature remains on 160～180 ℃.
On such scheme basis, 200～210 ℃ of processing temperatures, the composite pressure 15～20Pa of described fabric face calendering TPU layer, in calender line, the cloth surface temperature of described fabric remains on 130～150 ℃.
On such scheme basis, it is qualitative through Far-infrared Heating baking oven that described fabric is fixed to polyester textile, and processing temperature is at 180～200 ℃.
On such scheme basis, described fabric face glue primary coat adopts PU glue, 120 ℃～150 ℃ of processing temperatures.
On such scheme basis, described fabric backing glue primary coat adopts PU glue, 120 ℃～150 ℃ of processing temperatures.
Beneficial effect of the present invention is:
1, adopt PA/TPU composite cover, improved the wear resisting property on load-transfer device top layer.
2, do not use siliceous anti-wear agent, improved the adhesive property of surface layer and fabric.
3, adopt PA layer to replace siliceous anti-wear agent, in the service life of whole load-transfer device, keep identical wear hardness.
4, at envers, apply PA, improved wear resisting property, and reduced friction coefficient.
The specific embodiment
A kind of wear-resisting compound TPU load-transfer device, comprises TPU load-transfer device, at described TPU load-transfer device surface layer and bottom, respectively covers one deck nylon 12 films.
Concrete production process is:
The first step: polyester textile is qualitative through Far-infrared Heating baking oven, processing temperature is at 180～200 ℃;
Second step: the primary coat of fabric face PU glue, 120 ℃ of processing temperatures--150 ℃;
The 3rd step: the primary coat of fabric backing PU glue, 120 ℃ of processing temperatures--150 ℃;
The 4th step: fabric backing primary coat fineness is 320 object PA12 powder, and thickness is 0.1mm, and processing temperature is at 180～200 ℃;
The 5th step: at fabric face calendering TPU layer, processing temperature 200-210 ℃, composite pressure 15～20Pa, during the course, the cloth surface temperature of fabric remains on 130～150 ℃;
The 6th step: on TPU layer, roll PA layer, processing temperature 180-190 ℃, composite pressure 15～20Pa, during the course, TPU layer temperature remains on 160～180 ℃;
The 7th step: be cooled to room temperature, can obtain finished product.
wear hardness test
Experimental technique: < < GB/T 5478 plastics rolling wear test method > >.
From the observed data of test, can find out, the present invention is than TPU load-transfer device ratio, and abrasion loss reduces more than two times.
Claims (8)
1. a wear-resisting compound TPU load-transfer device, comprises TPU load-transfer device, and Qi Tete is, at described TPU load-transfer device surface layer and bottom, respectively covers one deck nylon film.
2. wear-resisting compound TPU load-transfer device according to claim 1, is characterized in that, described nylon film is nylon 12.
3. the preparation method of wear-resisting compound TPU load-transfer device according to claim 1 and 2, in the steps below: fabric sizing, the primary coat of fabric face glue, the primary coat of fabric backing glue, fabric backing coating nylon layer, fabric face calendering TPU layer, obtain finished product roll nylon layer on TPU layer after sequentially, wherein, described fabric backing primary coat fineness is 320 object PA12 powder, thickness is 0.1mm, and processing temperature is at 180～200 ℃; On described TPU layer, roll 180～190 ℃ of processing temperatures, the composite pressure 15～20Pa of PA layer, in calender line, described TPU layer temperature remains on 160～180 ℃.
4. the preparation method of wear-resisting compound TPU load-transfer device according to claim 3, it is characterized in that: 200～210 ℃ of processing temperatures, the composite pressure 15～20Pa of described fabric face calendering TPU layer, in calender line, the cloth surface temperature of described fabric remains on 130～150 ℃.
5. the preparation method of wear-resisting compound TPU load-transfer device according to claim 3, is characterized in that:
It is qualitative through Far-infrared Heating baking oven that described fabric is fixed to polyester textile, and processing temperature is at 180～200 ℃.
6. the preparation method of wear-resisting compound TPU load-transfer device according to claim 3, is characterized in that: described fabric face glue primary coat adopts PU glue, 120 ℃～150 ℃ of processing temperatures.
7. the preparation method of wear-resisting compound TPU load-transfer device according to claim 3, is characterized in that: described fabric backing glue primary coat adopts PU glue, 120 ℃～150 ℃ of processing temperatures.
8. according to a preparation method for described wear-resisting compound TPU load-transfer device that appoints for claim 3 to 7, it is characterized in that:
The first step: polyester textile is qualitative through Far-infrared Heating baking oven, processing temperature is at 180～200 ℃;
Second step: the primary coat of fabric face PU glue, 120 ℃ of processing temperatures--150 ℃;
The 3rd step: the primary coat of fabric backing PU glue, 120 ℃ of processing temperatures--150 ℃;
The 4th step: fabric backing primary coat fineness is 320 object nylon 12 powder, and thickness is 0.1mm, and processing temperature is at 180～200 ℃;
The 5th step: at fabric face calendering TPU layer, processing temperature 200-210 ℃, composite pressure 15～20Pa, during the course, the cloth surface temperature of fabric remains on 130～150 ℃;
The 6th step: on TPU layer, roll nylon layer, 180～190 ℃ of processing temperatures, composite pressure 15～20Pa, during the course, TPU layer temperature remains on 160～180 ℃;
The 7th step: be cooled to room temperature, can obtain finished product.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057677A (en) * | 2014-07-02 | 2014-09-24 | 上海永利带业股份有限公司 | PET composite TPU temperature-resistant conveying belt and manufacturing method thereof |
| CN104559134A (en) * | 2014-12-31 | 2015-04-29 | 艾艾精密工业输送系统（上海）股份有限公司 | Solvent-resistant coating material for thermoplastic polyurethane conveying belt, and preparation and application of solvent-resistant coating material |
| CN105949489A (en) * | 2016-05-19 | 2016-09-21 | 上海永利输送系统有限公司 | Production method of conductive polyurethane light conveying belt |
| CN109368123A (en) * | 2018-11-27 | 2019-02-22 | 爱西贝特传输系统(云南)有限公司 | A kind of multipurpose wear-resistant conveyor belt and its preparation process |
| CN110615232A (en) * | 2019-09-27 | 2019-12-27 | 江苏福莱欧工业制带有限公司 | TPU flame retardant belt |
| CN112173561A (en) * | 2020-09-21 | 2021-01-05 | 江阴市斯强传动科技有限公司 | Energy-saving polyester tangential belt with long service life and manufacturing method thereof |
| CN112606508A (en) * | 2020-12-14 | 2021-04-06 | 苏州意诺工业皮带有限公司 | Steel plate conveying belt for conveying metal plates and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057677A (en) * | 2014-07-02 | 2014-09-24 | 上海永利带业股份有限公司 | PET composite TPU temperature-resistant conveying belt and manufacturing method thereof |
| CN104559134A (en) * | 2014-12-31 | 2015-04-29 | 艾艾精密工业输送系统（上海）股份有限公司 | Solvent-resistant coating material for thermoplastic polyurethane conveying belt, and preparation and application of solvent-resistant coating material |
| CN104559134B (en) * | 2014-12-31 | 2017-05-10 | 艾艾精密工业输送系统（上海）股份有限公司 | Solvent-resistant coating material for thermoplastic polyurethane conveying belt, and preparation and application of solvent-resistant coating material |
| CN105949489A (en) * | 2016-05-19 | 2016-09-21 | 上海永利输送系统有限公司 | Production method of conductive polyurethane light conveying belt |
| CN105949489B (en) * | 2016-05-19 | 2021-09-28 | 上海永利输送系统有限公司 | Preparation method of conductive polyurethane light conveyor belt |
| CN109368123A (en) * | 2018-11-27 | 2019-02-22 | 爱西贝特传输系统(云南)有限公司 | A kind of multipurpose wear-resistant conveyor belt and its preparation process |
| CN110615232A (en) * | 2019-09-27 | 2019-12-27 | 江苏福莱欧工业制带有限公司 | TPU flame retardant belt |
| CN112173561A (en) * | 2020-09-21 | 2021-01-05 | 江阴市斯强传动科技有限公司 | Energy-saving polyester tangential belt with long service life and manufacturing method thereof |
| CN112606508A (en) * | 2020-12-14 | 2021-04-06 | 苏州意诺工业皮带有限公司 | Steel plate conveying belt for conveying metal plates and preparation method thereof |
| CN112606508B (en) * | 2020-12-14 | 2023-02-10 | 苏州意诺工业皮带有限公司 | Steel plate conveying belt for conveying metal plates and preparation method thereof |
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