CN102275378A - TPU (thermoplastic polyurethane) light conveyer belt in printing and dyeing industry and manufacturing method thereof - Google Patents
TPU (thermoplastic polyurethane) light conveyer belt in printing and dyeing industry and manufacturing method thereof Download PDFInfo
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Abstract
The invention relates to a TPU (thermoplastic polyurethane) light conveyer belt in printing and dyeing industry and a manufacturing method thereof. A fabric carrier has a three-layer reinforcing framework, wherein the first-layer reinforcing framework and the third-layer reinforcing framework are made from polyester woven fabrics, wherein the warp-wise yarns are 1,000 D ultralow-shrinkage polyester filaments with the yarn density of 52-58/inch, and the weft-wise yarns are 0.25 mm ultralow-shrinkage polyester monofilaments; the second-layer reinforcing framework is made from Kevlar fiber woven fabrics, wherein the warp-wise yarns are 1,000 D Kevlar filaments with the yarn density of 20-25/inch, and the weft-wise yarns are three strands of 21S polyester staple fibers with the yarn density of 10-15/inch; and a cover layer is made from a black TPU polyester material with excellent solvent resistance. The light conveyer belt provided by the invention not only greatly improves the extension power of 1%, but also realizes lightness and good flatness while achieving high strength and extremely high registration precision; the solvent-resistant TPU surface can widely use various cleaning agents, and can be in contact with acetone and other solvents of the same kind temporarily; and moreover, the TPU cover layer is produced by adopting an extrusion calendering process, thus the density of the surface material of the light conveyer belt can be ensured.
Description
Technical field
The present invention relates to a kind of dyeing light-duty conveyer belt of TPU, also relate to the manufacture method of this conveyer belt.
Background technology
Along with the technological innovation of textile printing and dyeing industry, constantly employ new technology in recent years, new raw material makes dyeing obtain the development of making rapid progress, its not only environmental protection of stamp product, and bright in colour, the precision height.This has just proposed requirements at the higher level to its dyeing production equipment, with the print guide belt is example: print guide belt is the very high light-duty conveyer belt of required precision, not only born the conveying task, more important is as the stamp workbench, this conveyer belt requires to have the wash resistant agent, anti-dyestuff corrosivity, color clearly demarcated to pattern, the profile svelteness has order, high characteristics to the anthosin accuracy, extensive supporting PLATE SCREAM PRINTING in the whole world, ROTARY SCREAM PRINTING, on the digital ink-jet printed machine and the platform of drawing a design, mainly comprise: high registration precision print guide belt, the high accuracy print guide belt, high accuracy low noise print guide belt etc.
Market traditional dyeing and finishing conduction band adopts the two layers polyester filament yarn fabric to cover the TPU material and makes, but this type conveyer belt can't satisfy the requirement of high-performance stamp product.This conveyer belt is in the process of using, As time goes on, can occur running long " phenomenon ", its former because conveyer belt is subjected to the pretension effect and makes that the macromolecular chain key length increases and the bond angle opening and closing in its fibrous skeleton, cause the fibre length elongation, present creep relaxation, in the process of stamp, can't high accuracy to flower, cause the phenomenon of the dislocation of flower type, distortion to take place.And the printing and dyeing conveyor belt surface of producing with traditional handicraft does not have solvent resistance, in the process of cleaning, makes zone face be subjected to solvent corrosion easily and damaged and irregular phenomenon occur.Another shortcoming of traditional dyeing and finishing conveyer belt is to have adopted powder coating process, and dusty material can not reach the state of superficial layer densification in the process that applies heating and melting.
The TPU polyester has high strength, high elongation, elastomeric characteristics.And have good wear-resisting, oil resistant and heat resistance.WRTPU-1 at room temperature has rubber elastomer and plastic properties, at high temperature can fusion, and become rheid and can process, as extrude, inject, calendering, blowing, touch the goods that pressure etc. is made different shape by the thermoplastic mode.
Summary of the invention
The object of the invention is to provide a kind of high-performance dyeing light-duty conveyer belt, not only overcomes to run long " phenomenon ", and can improve registration precision.
A further object of the present invention provides a kind of manufacture method of this light-duty conveyer belt, makes its superficial layer densification and has high-flatness.
Technical scheme of the present invention is in order to achieve the above object: a kind of dyeing light-duty conveyer belt of TPU, comprise the fabric carrier of MULTILAYER COMPOSITE, the lamination layer structure of surface layer, each interlayer has mutual applying to form laminating layer, and described fabric carrier is three layers and strengthens skeleton, wherein
Ground floor strengthens skeleton and the 3rd layer of enhancing skeleton adopts polyester textile, and it is 1000D ultralow contractive polyester long filament that warp yarn adopts line density, and density is 52～58/inch, and broadwise adopts 0.25mm ultralow contractive polyester monofilament, and density is 20～25/inch; The described second layer strengthens skeleton and adopts Kevlar fiber woven fabric, and it is the 1000DKevlar long filament that warp yarn adopts line density, and density is 20～25/inch, and it is 3 strands of 21S terylene short fibers that broadwise adopts line density, and density is 10～15/inch;
Cover surface layer and adopt the good black TPU polyester material of solvent resistance.
On the such scheme basis, described laminating layer adopts TPU.
Because of adopting high strength, high-modulus Kevlar fiber woven fabric to strengthen skeleton, 1% stretching force of fabric is strengthened, and improved registration precision as the middle level.The Kevlar fiber is the aramid fiber fabric, full name is " PPTA ", have superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, premium properties such as in light weight, its intensity is 5～6 times of steel wire, and modulus is steel wire or glass fibre 2～3 times, toughness is 2 times of steel wire, and weight only is about 1/5 of steel wire, under the temperature of 560 degree, does not decompose, does not melt, have good insulation performance and ageing resistace, have very long life cycle.In addition, adopt the good TPU material of solvent resistance, make its surface and have decay resistance.
The present invention is directed to said structure the manufacture method of a kind of dyeing with the light-duty conveyer belt of TPU is provided, concrete steps are as follows:
Step 1, bottom polyester textile adopt Far-infrared Heating technology to carry out expanding thermal finalization, and setting temperature is 350～380 ℃, and primary coat PU glue, and PU glue curing content is 30～40%, get the polyester textile semi-finished product;
Step 2, intermediate layer Kevlar fabric adopt Far-infrared Heating technology to carry out thermal finalization, and setting temperature is 350～380 ℃, and tow sides primary coat PU glue, and PU glue curing content is 30～40%, get Kevlar fabric semi-finished product;
Step 5 adopts extrusion calendaring technology to cover the TPU of anti-solvent layer on surface layer polyester textile semi-finished product, and temperature is 380～400 ℃, must cover the surface layer fabric semi-finished product of the TPU of anti-the solvent;
Step 6 adopts extrusion calendaring technology that step 3 and step 5 semi-finished product are finally fitted, and laminating layer is TPU, and binding temperature is 380～420 ℃, gets the dyeing of the present invention light-duty conveyer belt of TPU.
Beneficial effect of the present invention:
1, adopt the light-duty conveyer belt of this structure not only 1% stretching force improve greatly, and belt body is light, flatness is good, reaches high strength and very high registration precision simultaneously;
2, the TPU of anti-solvent surface can be extensive use of various cleaning agents, and can of short duration contact acetone and other same kind solvents;
3, adopt extrusion calendaring explained hereafter TPU cover layer, can guarantee the densification of light-duty conveyor belt surface material.
To sum up, the belts address of manufacturing of the present invention the traditional dyeing and finishing industry with the shortcoming of conveyer belt, satisfy the dyeing high performance requirements, be subjected to numerous clients' favor.
Description of drawings
Fig. 1 is the structural representation of dyeing of the present invention with the TPU conveyer belt;
Fig. 2 is a process chart of the present invention.
Label declaration in the accompanying drawing
1-TPU cover layer of anti-the solvent; 2-surface layer polyester textile;
3-the one TPU laminating layer; 4-Kevlar fiber fabric layer;
5-the two TPU laminating layer; 6-bottom polyester textile.
The specific embodiment
Fig. 1 dyeing is with shown in the TPU conveyer belt structure figure, dyeing comprises that with the light-duty conveyer belt of TPU three layers strengthen skeleton, one deck covers surface layer and two-layer covering laminating layer, wherein, described ground floor and the 3rd layer of enhancing skeleton adopt polyester woven fabric, and it is 1000D ultralow contractive polyester long filament that warp yarn adopts line density, and density is 52～58/inch, broadwise adopts 0.25mm ultralow contractive polyester monofilament, and density is 20～25/inch; The described second layer strengthens skeleton and adopts Kevlar fiber woven fabric, and it is the 1000DKevlar long filament that warp yarn adopts line density, and density is 20～25/inch, and it is 3 strands of 21S terylene short fibers that broadwise adopts line density, and density is 10～15/inch; Cover surface layer and adopt the good black TPU polyester material of solvent resistance; Cover laminating layer and adopt general T PU.
Because of adopting high strength, high-modulus Kevlar fiber woven fabric to strengthen skeleton, 1% stretching force of fabric is strengthened, and improved registration precision as the middle level.The Kevlar fiber is the aramid fiber fabric, full name is " PPTA ", have superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, premium properties such as in light weight, its intensity is 5～6 times of steel wire, and modulus is steel wire or glass fibre 2～3 times, toughness is 2 times of steel wire, and weight only is about 1/5 of steel wire, under the temperature of 560 degree, does not decompose, does not melt, have good insulation performance and ageing resistace, have very long life cycle.In addition, adopt the good TPU material of solvent resistance, make its surface and have decay resistance.
The present invention is directed to said structure the manufacture method of a kind of dyeing with the light-duty conveyer belt of TPU is provided, concrete steps are as follows:
Step 1, bottom polyester textile adopt Far-infrared Heating technology to carry out expanding thermal finalization, and setting temperature is 350～380 ℃, and primary coat PU glue, and PU glue curing content is 30～40%, get the polyester textile semi-finished product;
Step 2, intermediate layer Kevlar fabric adopt Far-infrared Heating technology to carry out thermal finalization, and setting temperature is 350～380 ℃, and tow sides primary coat PU glue, and PU glue curing content is 30～40%, get Kevlar fabric semi-finished product;
Step 5 adopts extrusion calendaring technology to cover the TPU of anti-solvent layer on the surface layer fabric, and temperature is 380～400 ℃, must cover the surface layer fabric semi-finished product of the TPU of anti-the solvent;
Step 6 adopts extrusion calendaring technology that step 3 and step 5 semi-finished product are finally fitted, and laminating layer is general T PU, and binding temperature is 380～420 ℃, gets the dyeing of the present invention light-duty conveyer belt of TPU.
Table 1 compares for the physical property test of the present invention and traditional conveyer belt.
Claims (3)
1. a dyeing comprises the fabric carrier of MULTILAYER COMPOSITE, the lamination layer structure of surface layer with the light-duty conveyer belt of TPU, and each interlayer has mutual applying to form laminating layer, it is characterized in that: described fabric carrier is three layers of enhancing skeleton, wherein,
Ground floor and the 3rd layer of enhancing skeleton adopt polyester woven fabric, and it is 1000D ultralow contractive polyester long filament that warp yarn adopts line density, and density is 52～58/inch, and broadwise adopts 0.25mm ultralow contractive polyester monofilament, and density is 20～25/inch; The described second layer strengthens skeleton and adopts Kevlar fiber woven fabric, and it is the 1000DKevlar long filament that warp yarn adopts line density, and density is 20～25/inch, and it is 3 strands of 21S terylene short fibers that broadwise adopts line density, and density is 10～15/inch;
Cover surface layer and adopt the good black TPU polyester material of solvent resistance.
2. dyeing according to claim 1 is characterized in that with the light-duty conveyer belt of TPU; Described laminating layer adopts TPU.
3. at the manufacture method of claim 1 or the light-duty conveyer belt of 2 described dyeings usefulness TPU, comprise the steps:
Step 1, bottom polyester textile adopt Far-infrared Heating technology to carry out expanding thermal finalization, and setting temperature is 350～380 ℃, and primary coat PU glue, and PU glue curing content is 30～40%, get the polyester textile semi-finished product;
Step 2, intermediate layer Kevlar fabric adopt Far-infrared Heating technology to carry out thermal finalization, and setting temperature is 350～380 ℃, and tow sides primary coat PU glue, and PU glue curing content is 30～40%, get Kevlar fabric semi-finished product;
Step 3 adopts extrusion calendaring technology that step 1 and step 2 semi-finished product are fitted, and laminating layer adopts general T PU, and binding temperature is 380～420 ℃, gets the compound semi-finished product of bottom and intermediate layer;
Step 4, surface layer polyester textile adopt Far-infrared Heating technology to carry out expanding thermal finalization, and setting temperature is 350～380 ℃, and tow sides primary coat PU glue, and PU glue curing content is 30～40%, get surface layer polyester textile semi-finished product;
Step 5 adopts extrusion calendaring technology to cover the TPU of anti-solvent layer on surface layer polyester textile semi-finished product, and temperature is 380～400 ℃, must cover the surface layer fabric semi-finished product of the TPU of anti-the solvent;
Step 6 adopts extrusion calendaring technology that step 3 and step 5 semi-finished product are finally fitted, and laminating layer is TPU, and binding temperature is 380～420 ℃, gets the dyeing of the present invention light-duty conveyer belt of TPU.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738667A (en) * | 2014-01-22 | 2014-04-23 | 艾艾精密工业输送***（上海）股份有限公司 | Wrapper belt and preparation method thereof |
| CN104029470A (en) * | 2014-06-23 | 2014-09-10 | 田菱精细化工（昆山）有限公司 | Screen printing plate with film thickness control function |
| CN104479533A (en) * | 2014-12-31 | 2015-04-01 | 艾艾精密工业输送***（上海）股份有限公司 | Solvent-resistant TPU composite material and method of utilizing solvent-resistant TPU composite material to prepare light conveyor belt |
| CN104559134A (en) * | 2014-12-31 | 2015-04-29 | 艾艾精密工业输送***（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 |
| CN105836372A (en) * | 2016-05-12 | 2016-08-10 | 上海永利带业股份有限公司 | Temperature-resisting light TPU conveying belt for food industry and manufacturing method of conveying belt |
| CN105949489A (en) * | 2016-05-19 | 2016-09-21 | 上海永利输送***有限公司 | Production method of conductive polyurethane light conveying belt |
| CN106609469A (en) * | 2016-12-01 | 2017-05-03 | 上海永利带业股份有限公司 | High-strength and high-wear-resistance light conveying belt for logistics industry and manufacturing method thereof |
| CN107720096A (en) * | 2017-10-13 | 2018-02-23 | 上海永利带业股份有限公司 | A kind of meat packing conveying conveyer belt and preparation method thereof |
| CN111251729A (en) * | 2018-11-30 | 2020-06-09 | 施乐公司 | Composite dryer conveyer belt |
| CN111516333A (en) * | 2020-05-26 | 2020-08-11 | 昆山市华峰制带有限公司 | High-strength aramid fiber printing guide belt of printing machine |
| CN111516356A (en) * | 2020-05-15 | 2020-08-11 | 昆山市华峰制带有限公司 | Conduction band of gravure printing machine |
| CN112251878A (en) * | 2020-10-12 | 2021-01-22 | 汉合泰精工科技(青岛)有限公司 | Carbon fiber high-precision printing guide belt and preparation method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738667B (en) * | 2014-01-22 | 2016-04-20 | 艾艾精密工业输送***（上海）股份有限公司 | A kind of Wrapper belt and preparation method thereof |
| CN103738667A (en) * | 2014-01-22 | 2014-04-23 | 艾艾精密工业输送***（上海）股份有限公司 | Wrapper belt and preparation method thereof |
| CN104029470A (en) * | 2014-06-23 | 2014-09-10 | 田菱精细化工（昆山）有限公司 | Screen printing plate with film thickness control function |
| CN104559134B (en) * | 2014-12-31 | 2017-05-10 | 艾艾精密工业输送***（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 |
| CN104559134A (en) * | 2014-12-31 | 2015-04-29 | 艾艾精密工业输送***（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 |
| CN104479533A (en) * | 2014-12-31 | 2015-04-01 | 艾艾精密工业输送***（上海）股份有限公司 | Solvent-resistant TPU composite material and method of utilizing solvent-resistant TPU composite material to prepare light conveyor belt |
| CN105836372A (en) * | 2016-05-12 | 2016-08-10 | 上海永利带业股份有限公司 | Temperature-resisting light TPU conveying belt for food industry and manufacturing method of conveying belt |
| CN105949489A (en) * | 2016-05-19 | 2016-09-21 | 上海永利输送***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***有限公司 | Preparation method of conductive polyurethane light conveyor belt |
| CN106609469B (en) * | 2016-12-01 | 2019-03-12 | 上海永利带业股份有限公司 | A kind of logistic industry high-strength, high-anti-friction light-type conveyer belt and its manufacturing method |
| CN106609469A (en) * | 2016-12-01 | 2017-05-03 | 上海永利带业股份有限公司 | High-strength and high-wear-resistance light conveying belt for logistics industry and manufacturing method thereof |
| CN107720096A (en) * | 2017-10-13 | 2018-02-23 | 上海永利带业股份有限公司 | A kind of meat packing conveying conveyer belt and preparation method thereof |
| CN111251729A (en) * | 2018-11-30 | 2020-06-09 | 施乐公司 | Composite dryer conveyer belt |
| CN111251729B (en) * | 2018-11-30 | 2023-08-01 | 施乐公司 | Printing device and conveyer belt |
| CN111516356A (en) * | 2020-05-15 | 2020-08-11 | 昆山市华峰制带有限公司 | Conduction band of gravure printing machine |
| CN111516333A (en) * | 2020-05-26 | 2020-08-11 | 昆山市华峰制带有限公司 | High-strength aramid fiber printing guide belt of printing machine |
| CN112251878A (en) * | 2020-10-12 | 2021-01-22 | 汉合泰精工科技(青岛)有限公司 | Carbon fiber high-precision printing guide belt and preparation method thereof |
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Application publication date: 20111214 |