CN104057682A - Anti-sticking food-grade TPU conveying belt and manufacturing method of anti-sticking food-grade TPU conveying belt - Google Patents
Anti-sticking food-grade TPU conveying belt and manufacturing method of anti-sticking food-grade TPU conveying belt Download PDFInfo
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- CN104057682A CN104057682A CN201410310044.4A CN201410310044A CN104057682A CN 104057682 A CN104057682 A CN 104057682A CN 201410310044 A CN201410310044 A CN 201410310044A CN 104057682 A CN104057682 A CN 104057682A
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- tpu
- layer
- sticking
- glue
- polyester fabric
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000004744 fabric Substances 0.000 claims abstract description 44
- 229920000728 polyester Polymers 0.000 claims abstract description 41
- 239000003292 glue Substances 0.000 claims abstract description 26
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 20
- 229920000570 polyether Polymers 0.000 claims abstract description 20
- 235000013305 food Nutrition 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000004595 color masterbatch Substances 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 54
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000000576 coating method Methods 0.000 claims description 13
- 239000002344 surface layer Substances 0.000 claims description 11
- 238000010030 laminating Methods 0.000 claims description 10
- 238000003490 calendering Methods 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 235000019219 chocolate Nutrition 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 4
- MIDXCONKKJTLDX-UHFFFAOYSA-N 3,5-dimethylcyclopentane-1,2-dione Chemical compound CC1CC(C)C(=O)C1=O MIDXCONKKJTLDX-UHFFFAOYSA-N 0.000 abstract description 3
- 235000013736 caramel Nutrition 0.000 abstract description 3
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 230000008602 contraction Effects 0.000 abstract 1
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 47
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 47
- 239000004814 polyurethane Substances 0.000 description 8
- 235000020278 hot chocolate Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000907903 Shorea Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
Landscapes
- Confectionery (AREA)
- Belt Conveyors (AREA)
Abstract
The invention relates to an anti-sticking food-grade TPU conveying belt and a manufacturing method of the anti-sticking food-grade TPU conveying belt. The anti-sticking food-grade TPU conveying belt is used for conveying foods, such as chocolate and caramel treats, with certain stickness in the cooling forming stage. The anti-sticking food-grade TPU conveying belt is characterized in that TPU materials serve as a glue layer, polyester fabric serves as a framework structure, a dual-fabric and dual-glue structure is adopted, a polyether type TPU layer serves as an anti-sticking face layer, the anti-sticking food-grade TPU conveying belt sequentially comprises the polyether type TPU layer, a first polyester fabric layer, a TPU gluing layer and a second polyester fabric layer from top to bottom, the anti-sticking performance of the TPU materials is improved by adding slipping agents, and the rigidity of the polyether type TPU layer is ShoreA85 degrees and comprises, by weight, 100 parts of polyether type TPU, 8 parts to 10 parts of polyether modified siloxane and 8 parts to 10 parts of color master batches. The fabric is the polyester fabric, 500-D ultra-low contraction polyester multifilaments are adopted in the warp direction, 0.25-mm polyester monofilaments are adopted in the weft direction, and a plain-woven-method structure is adopted.
Description
Technical Field
The invention relates to an anti-sticking food-grade TPU conveyor belt and a manufacturing method thereof, which are used for conveying cooling forming sections with certain viscosity in food, such as chocolate, caramel treats and the like.
Background
With the improvement of living standard of people and the increasing demand of snacks, food production enterprises have come to deliver various foods rich in chocolate, sugar and the like in order to meet the demands of consumers. In the production process of the foods with certain viscosity, in order to ensure the attractive appearance of the products, the conveying belt is required to have excellent anti-sticking property in the forming stage of the foods (such as chocolate, caramel treats and the like) so as to avoid causing defects of product bottom plates. Thus, anti-sticking requirements for the transport tape.
Because of the high anti-sticking requirement of the conveyer belt, only import can be relied on at present.
Disclosure of Invention
The invention aims to: an anti-sticking food grade TPU conveyor belt is provided to be suitable for food conveying of a sticky food forming section.
Yet another object of the present invention is to: provides a manufacturing method of the anti-sticking food-grade TPU conveying belt.
In order to achieve the above object, the present invention provides an anti-sticking food-grade TPU conveyor belt, which uses a TPU material as a glue layer, a polyester fabric as a skeleton structure, a two-cloth two-glue structure, and a polyether type TPU layer as an anti-sticking surface layer, and sequentially from top to bottom: a polyether type TPU layer, a polyester fabric layer, a TPU joint layer and a polyester fabric layer, wherein the polyether type TPU layer is added with a slipping agent to improve the anti-sticking performance of the TPU material,
the hardness of the polyether TPU layer is ShoreA85 degrees, and the formula comprises the following components in parts by weight:
polyether type TPU 100
8-10% of polyether-modified siloxane (TE 58)
8-10 parts of color master batch;
the fabric is made of polyester fabric, the warp direction is 500D ultralow-shrinkage polyester multifilament, the weft direction is 0.25mm polyester monofilament, and a plain weave structure is adopted.
The TPU attaching layer is made of a TPU material for a general conveyer belt, but in order to ensure good low-temperature flexing resistance, the formula of the TPU attaching layer comprises the following components in parts by weight: 100 parts of TPU and 6-8 parts of color master are mixed, and the hardness of the TPU laminating layer is shoreA85 degrees.
The invention has good anti-sticking effect, not only meets the requirement of food-grade standard, but also does not contain plasticizer components. The invention has good flexing resistance performance at the temperature of about-10 ℃.
The invention provides a manufacturing method of the anti-sticking food-grade TPU conveyer belt, which sequentially comprises the following steps:
firstly, shaping a polyester fabric layer, coating PU glue on the front surface of the polyester fabric layer, calendering an anti-sticking surface layer, and coating PU glue on the back surface of the polyester fabric layer to obtain a first structural layer;
secondly, shaping a second layer of polyester fabric, priming PU glue on the front surface, rolling a TPU laminating layer, and priming PU glue on the back surface of the second layer of polyester fabric to obtain a second structural layer;
and finally, laminating the first and second structural layers to obtain a finished product.
The invention has the beneficial effects that:
1) provides an anti-sticking light conveyor belt for the forming section of viscous food in the food industry.
2) The blank that no anti-sticking conveying belt exists in the domestic light conveying belt industry is filled.
Drawings
FIG. 1 is a schematic view of a cross-sectional structure of an anti-sticking food grade TPU conveyor belt of the invention;
FIG. 2 is a flow chart of a manufacturing process of the present invention;
wherein,
1-anti-sticking surface layer;
2-one layer of polyester fabric;
3-TPU laminated layer;
4-two layers of polyester fabric.
Detailed Description
As shown in fig. 1, which is a schematic view of a cross-sectional structure of an anti-sticking food-grade TPU conveyor belt of the present invention, an anti-sticking food-grade TPU conveyor belt uses a TPU material as a glue layer, a polyester fabric as a skeleton structure, a two-cloth two-glue structure, and a polyether type TPU layer as an anti-sticking surface layer 1, and sequentially from top to bottom: an anti-sticking surface layer 1, a polyester fabric layer 2, a TPU (thermoplastic polyurethane) laminating layer 3 and a polyester fabric layer 4, wherein the anti-sticking surface layer 1 is added with a slipping agent to improve the anti-sticking performance of a TPU material, wherein,
the hardness of the anti-sticking surface layer 1 polyether type TPU layer is ShoreA85 degrees, and the formula comprises the following components in parts by weight:
polyether type TPU 100
TE58 8～10
8-10 parts of color masterbatch;
the fabric is made of polyester fabric, the warp direction is 500D ultralow-shrinkage polyester multifilament, the weft direction is 0.25mm polyester monofilament, and a plain weave structure is adopted.
The hardness of the TPU laminating layer 3 is shoreA85 degrees, and the formula of the TPU laminating layer comprises the following components in parts by weight:
a TPU material 100;
6-8 parts of color masterbatch.
As shown in figure 2 a flow chart of the manufacturing process of the present invention,
the manufacturing method of the TPU light conveyor belt comprises the following steps:
the conveying belt is designed to be a structure with two fabrics and two adhesives, and the compactness of a surface layer is ensured by adopting a calendering process.
The surface layer of the conveying belt adopts ShoreA 85-degree polyether TPU, and polyether modified siloxane material (TE 58) is added to improve the anti-sticking property of the surface. The TPU adhesive layer shoreA 85-degree TPU does not contact with conveyed food, so that the anti-sticking property is not required to be considered.
Firstly, one layer of the fabric is shaped, the front surface is coated with PU glue (the curing temperature of the glue is 100-120 ℃), and the coating amount is 100-130 g/m2An anti-sticking surface layer which is calendered at 180-190 ℃ and is 0.25-0.3 mm in thickness, and a polyester fabric layer, wherein the reverse side of the polyester fabric layer is coated with PU glue (the curing temperature of the glue is 100-120 ℃), and the coating amount is 80-100 g/m2Obtaining a polyester fabric layer 2 structure;
secondly, the fabric is shaped in two layers, the front surface of the fabric is coated with PU glue (the curing temperature of the glue is 100-120 ℃), and the coating amount is 100-130 g/m2Coating PU glue on the reverse side of the two layers of the polyester fabric and calendering at 180-190 ℃ for 0.25-0.3 mm, wherein the coating amount is 80-100 g/m2Obtaining a two-layer 4 structure of the polyester fabric;
and finally, laminating the first and second structural layers to obtain a finished product.
The surface friction coefficient of the anti-sticking food-grade TPU conveyor belt is about 1/3 of that of a common TPU conveyor belt, the surface of the anti-sticking food-grade TPU conveyor belt is good in smoothness, and meanwhile, hot chocolate is used for testing on the conveyor belt.
The average value of the surface friction coefficient of the present invention is: 0.056, while the average value of the surface friction coefficient of a conventional TPU belt is 0.154.
And (3) testing the anti-sticking effect by using hot chocolate, respectively placing the hot chocolate on the anti-sticking food-grade TPU conveying belt and the common food-grade TPU conveying belt before cooling to compare, wherein no residue exists on the surface of the anti-sticking food-grade TPU conveying belt after cooling, and a great amount of residue exists on the common food-grade TPU conveying belt. See the comparison table of the physical property test of the finished product in detail.
Claims (3)
1. The utility model provides an antiseized food level TPU conveyer belt to the TPU material is the glue film, uses the polyester fabric as the skeleton texture, adopts two glued structures of two cloths, its characterized in that: use polyether type TPU layer as antiseized surface course, from top to bottom according to the preface: a polyether type TPU layer, a polyester fabric layer, a TPU joint layer and a polyester fabric layer, wherein a slipping agent is added to improve the anti-sticking performance of the TPU material,
the hardness of the polyether TPU layer is ShoreA85 degrees, and the formula comprises the following components in parts by weight:
polyether type TPU 100
Polyether modified siloxane 8-10
8-10 parts of color masterbatch;
the fabric is made of polyester fabric, the warp direction is 500D ultralow-shrinkage polyester multifilament, the weft direction is 0.25mm polyester monofilament, and a plain weave structure is adopted.
2. The anti-sticking food grade TPU conveyor belt of claim 1, wherein: the TPU laminating layer has the hardness of shoreA85 degrees, and the formula of the TPU laminating layer comprises the following components in parts by weight:
TPU，100；
6-8 parts of color master batch.
3. The process for manufacturing an anti-sticking food grade TPU conveyor belt according to claim 1 or 2, in sequence by the steps of:
firstly, one layer of the polyester fabric is shaped, the front surface is coated with PU glue, the curing temperature of the glue is 100-120 ℃, and the coating amount is 100-130 g/m2Coating PU glue on the back surface of a polyester fabric layer and an anti-sticking surface layer which is calendered at 180-190 ℃ and is 0.25-0.3 mm in thickness, wherein the glue curing temperature is 100-120 ℃, and the coating amount is 80-100 g/m2Obtaining a first structural layer;
secondly, the polyester fabric is shaped in two layers, the front surface of the polyester fabric is coated with PU glue, the curing temperature of the glue is 100-120 ℃, and the coating amount is 100-130 g/m2Coating PU glue on the reverse side of the two layers of the polyester fabric and the TPU adhesive layer calendered at 180-190 ℃ by 0.25-0.3 mm, wherein the curing temperature of the glue is 100-120 ℃, and the coating amount is 80-100 g/m2Obtaining a second structural layer;
and finally, laminating the first and second structural layers to obtain a finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310044.4A CN104057682B (en) | 2014-07-02 | 2014-07-02 | Anti-sticking food-grade TPU conveyer belts and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310044.4A CN104057682B (en) | 2014-07-02 | 2014-07-02 | Anti-sticking food-grade TPU conveyer belts and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN104057682A true CN104057682A (en) | 2014-09-24 |
| CN104057682B CN104057682B (en) | 2017-10-24 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621010A (en) * | 2014-11-27 | 2016-06-01 | 上海精浜传动设备有限公司 | Novel cutting-resisting conveying belt |
| CN107815089A (en) * | 2017-10-13 | 2018-03-20 | 上海永利带业股份有限公司 | A kind of modified polyurethane film and its application |
| CN107904957A (en) * | 2017-12-19 | 2018-04-13 | 广德天鹏实业有限公司 | A kind of high intensity conveyer belt and its manufacturing process |
| CN108715315A (en) * | 2018-03-23 | 2018-10-30 | 上海米莜凯自动化装备有限公司 | A kind of heat safe conveyer belt and its manufacturing process |
| 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 |
| CN114633537A (en) * | 2022-03-24 | 2022-06-17 | 江苏博顺带业有限公司 | Preparation method of ultrahigh-strength conveying belt |
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| CN102174167A (en) * | 2011-02-17 | 2011-09-07 | 陈华 | Organic silicon modified polyurethane resin for synthetic leather and preparation method thereof |
| CN102424236A (en) * | 2011-07-28 | 2012-04-25 | 上海永利带业股份有限公司 | Seamless wrapper belt and method of making same |
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2014
- 2014-07-02 CN CN201410310044.4A patent/CN104057682B/en active Active
Patent Citations (4)
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| JPH08244934A (en) * | 1995-03-06 | 1996-09-24 | Atsusato Kitamura | Manufacture of loop type belt provided with pattern |
| CN102174167A (en) * | 2011-02-17 | 2011-09-07 | 陈华 | Organic silicon modified polyurethane resin for synthetic leather and preparation method thereof |
| CN102167212A (en) * | 2011-03-17 | 2011-08-31 | 上海永利带业股份有限公司 | Antibacterial polyether type TPU (thermoplastic polyurethanes) conveying belt for conveying fresh products and production method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105621010A (en) * | 2014-11-27 | 2016-06-01 | 上海精浜传动设备有限公司 | Novel cutting-resisting conveying belt |
| CN107815089A (en) * | 2017-10-13 | 2018-03-20 | 上海永利带业股份有限公司 | A kind of modified polyurethane film and its application |
| CN107815089B (en) * | 2017-10-13 | 2020-11-10 | 上海永利带业股份有限公司 | Modified polyurethane film and application thereof |
| CN107904957A (en) * | 2017-12-19 | 2018-04-13 | 广德天鹏实业有限公司 | A kind of high intensity conveyer belt and its manufacturing process |
| CN108715315A (en) * | 2018-03-23 | 2018-10-30 | 上海米莜凯自动化装备有限公司 | A kind of heat safe conveyer belt and its manufacturing process |
| 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 |
| CN114633537A (en) * | 2022-03-24 | 2022-06-17 | 江苏博顺带业有限公司 | Preparation method of ultrahigh-strength conveying belt |
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| CN104057682B (en) | 2017-10-24 |
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