CN106739308B - Composite potato chip mold belt and preparation method thereof - Google Patents
Composite potato chip mold belt and preparation method thereof Download PDFInfo
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- CN106739308B CN106739308B CN201610995559.1A CN201610995559A CN106739308B CN 106739308 B CN106739308 B CN 106739308B CN 201610995559 A CN201610995559 A CN 201610995559A CN 106739308 B CN106739308 B CN 106739308B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/024—Woven fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2433/00—Closed loop articles
- B32B2433/02—Conveyor belts
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention belongs to the technical field of manufacturing of light conveyor belts for forming composite potato chips in the food industry, and particularly relates to a composite potato chip mold belt and a preparation method thereof. The composite potato chip die belt provided by the invention takes a three-dimensional weaving polyester fabric as a framework layer, a covering layer is a TPEE surface layer, and a bottom layer is a TPU glue layer; the covering layer and the framework layer are bonded by TPU glue; the warp direction of the three-dimensional weaving polyester fabric is made of polyester yarn. The preparation method of the composite potato chip die comprises the steps of sizing the polyester fabric by the three-dimensional weaving method, coating TPU glue on one surface of the polyester fabric, casting TPEE on the TPU glue, drying and pressing, and finally coating TPU glue on the other surface of the sized polyester fabric for priming coating. The invention provides a suitable light conveyer belt product for the production of the composite potato chip forming section. The conveyer belt meets the use requirements of oil resistance and cutting resistance, meets the food safety requirements of FDA (food and drug administration), and has the service life of more than 8 months.
Description
Technical Field
The invention belongs to the technical field of manufacturing of light conveyor belts for forming composite potato chips in the food industry, and particularly relates to a composite potato chip mold belt and a preparation method thereof.
Background
With the development of social economy and the improvement of income level of people, leisure food is widely existed in daily life, even has the status of challenging main dinners, and among numerous leisure food, the composite potato chips are favored by all layers due to the richness of taste and flavor.
The raw materials of the composite potato chips are uniformly mixed according to the formula in the production process, and the mixture is pressed into slices meeting the requirements, and then the slices enter the forming process. The tabletting is dragged by a conveyer belt, and when the tabletting passes through the middle of two forming rollers, the forming rollers are provided with die cutters, and the tabletting is cut into blank sheets and leftover materials. Because the mold roller frequently extrudes and cuts the conveying belt, the light conveying belt is required to have the characteristics of high peeling strength, cut resistance, oil resistance and the like on the surface, and a TPEE material is selected as the contact surface of the conveying belt and the mold roller.
TPEE (thermoplastic polyester elastomer) materials are block copolymers containing polyester hard segments and polyether soft segments. Wherein the soft polyether segment and the uncrystallized polyester form amorphous phase polyester hard segment and are partially crystallized to form crystalline micro-regions which play the role of physical crosslinking points. TPEE has elasticity of rubber and strength of engineering plastics; the soft segment gives it elasticity, making it rubber-like; the hard segment gives it processability, making it like plastic; compared with rubber, the rubber has better processing performance and longer service life; compared with engineering materials, the material has the characteristics of high strength, and better flexibility and dynamic mechanical property.
TPEE materials have excellent oil resistance and are mainly used in fields requiring shock absorption, impact resistance, flex resistance, sealability and elasticity, oil resistance, chemical resistance and requiring sufficient strength.
However, the bonding property of the TPEE material is general, and the peeling strength of the conveyer belt taking the TPEE material as the surface layer can only meet the common conveying requirement, and the repeated mould pressing use requirement of the invention is difficult to achieve.
Disclosure of Invention
In view of the problems of the prior art, the invention aims to provide a composite potato chip die belt which can be applied to a composite potato chip forming process and has the characteristics of cut resistance, oil resistance, high strength and the like on the surface. The invention is realized by the following scheme:
the composite potato chip mold belt provided by the invention takes a three-dimensional weaving polyester fabric as a framework layer, a covering layer is a TPEE surface layer, and a bottom layer is a TPU glue layer; the covering layer and the framework layer are bonded by TPU glue; the warp direction of the three-dimensional weaving polyester fabric is made of polyester yarn.
The warp and weft density of the three-dimensional weaving method is as follows: 92X 48(2 layers) roots/2.54 cm; warp direction: 21 polyester yarns, 3 and 1, warp yarns are interwoven up and down and twisted: 100 revolutions per meter; adding 1 20D single-stranded conductive wire in each 38 pieces, twisting: 100 revolutions per meter; the warp yarns S, Z are arranged at intervals; and twisting 1 straight warp direction by using 1000D ultra-low shrinkage polyester filament: 100 revolutions per meter; weft direction: the upper layer is 0.3mm of ultra-low shrinkage polyester monofilament; the lower layer is 0.3mm of ultra-low shrinkage polyester monofilament; weaving: 1/1 plain weave. The weaving method increases the contact area between the fabric and the covering layer, and is beneficial to realizing the requirement of high peeling strength of the product.
0.5 to 1.5 percent of polysiloxane is added into the TPEE material. Is favorable for improving the surface wear resistance of the TPEE material
The manufacturing method of the composite potato chip mould belt comprises the following steps:
s1, shaping the polyester fabric with the three-dimensional weaving method;
s2, coating TPU glue on one surface of the shaped polyester fabric in the step S1;
s3, casting TPEE on the TPU glue in S2;
s4, baking and pressing;
and S5, coating the other side of the shaped polyester fabric with TPU glue for priming.
Preferably, in the step S3, the thickness of the TPEE surface layer is 0.3 to 0.4 mm.
Preferably, in the step S3, the outlet temperature of the TPEE cast on the TPU glue is 185-195 ℃.
Preferably, in the step S4, the baking temperature is 190 to 200 ℃, and the pressure is 15 to 20 MPa. Compared with the prior art, the invention has the following advantages and effects:
1. provides a suitable light conveyer belt product for the production of the composite potato chip forming section.
2. The surface layer of the conveyer belt is made of TPEE material, so that the use requirements of oil resistance and cutting resistance are met.
3. The warp direction of this section conveyer belt adopts the dacron yarn material, has fine compatibility with TPU glue, when glue is not complete reaction, with TPEE curtain coating to TPU glue on, the cohesiveness of TPEE surface course and glue is good for the peel strength of surface course and polyester fabric casing layer improves greatly.
4. The materials used by the invention all meet the FDA food safety requirements, and the service life of the invention reaches more than 8 months.
Drawings
FIG. 1 is a structural view of a three-dimensional knit polyester fabric;
fig. 2 is a structure diagram of a finished product, 1 is a TPEE surface layer, 2 is a three-dimensional polyester fabric, and 3 is TPU glue.
Detailed Description
The invention will now be further illustrated by reference to the following examples:
in order to better understand the present invention, the following examples are further provided to illustrate the present invention, but the present invention is not limited to the following examples
Example 1:
TPU glue with solid content of 14-18%; TPEE, hardness shore d 40 degrees.
The three-dimensional weaving method comprises the following steps: and (3) warp and weft density: 92X 48(2 layers) roots/2.54 cm;
warp direction: 21 polyester yarns, 3 and 1 (upper and lower interweaving), twisting: 100 revolutions per meter;
adding 1 20D single-stranded conductive wire in each 38 pieces, twisting: 100 revolutions per meter;
the warp yarns S, Z are arranged at intervals;
1000D ultra low shrinkage polyester filaments (straight 1), twisted: 100 revolutions per meter;
weft direction: the upper layer is 0.3mm of ultra-low shrinkage polyester monofilament;
the lower layer is 0.3mm of ultra-low shrinkage polyester monofilament;
weaving: 1/1 plain weave
The structure is shown in figure 1.
Manufacturing a mold belt: coating TPU glue on one surface of a three-dimensional weaving polyester fabric framework; casting a 0.3-0.4 mm TPEE surface layer on the TPU glue, wherein the outlet temperature of TPEE is 185-195 ℃; drying and pressing under the pressure of 15-20 MPa; and coating the other side of the shaped polyester fabric with a TPU glue base coat so as to protect the bottom fabric. The specific structure is shown in figure 2.
Comparative example 1:
the common polyester filament fabric is formed by coating TPU glue after being shaped and then coating PVC or TPU material, the abrasion resistance of the material is poorer than that of TPEE material, and the peeling strength is generally between 2.0 and 3.0N/mm.
And (3) testing results:
note: abrasion loss test method referring to GB/T5478-2008 plastic rolling abrasion test method
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, and the present invention should not be limited by the disclosure of the preferred embodiments. Therefore, it is intended that all equivalents and modifications which do not depart from the spirit of the invention disclosed herein are deemed to be within the scope of the invention.
Claims (3)
1. A compound potato chip mould area which characterized in that: the composite potato chip mold belt takes a three-dimensional weaving polyester fabric as a framework layer, a covering layer is a TPEE surface layer, and a bottom layer is a TPU glue layer; the covering layer and the framework layer are bonded by TPU glue; the warp direction of the three-dimensional weaving polyester fabric is made of polyester yarn;
the preparation method of the composite potato chip mould belt comprises the following steps:
s1, shaping the polyester fabric with the three-dimensional weaving method;
s2, coating TPU glue on one surface of the shaped polyester fabric in the step S1;
s3, casting TPEE on the TPU glue in S2; the outlet temperature of TPEE cast on TPU glue is 185-195 ℃; the thickness of the TPEE surface layer is 0.3-0.4 mm;
s4, baking and pressing; the drying and pressing temperature is 190-200 ℃, and the pressure is 15-20 MPa;
and S5, coating the other side of the shaped polyester fabric with TPU glue for priming.
2. The composite potato chip mold strip of claim 1, wherein: the warp and weft density of the three-dimensional weaving method is as follows: 92 x 48 pieces/2.54 cm, comprising an upper layer and a lower layer; warp direction: 21 polyester yarns, 3 and 1, warp yarns are interwoven up and down and twisted: 100 revolutions per meter; adding 1 20D single-stranded conductive wire in each 38 pieces, twisting: 100 revolutions per meter; the warp yarns S, Z are arranged at intervals; and twisting 1 straight warp direction by using 1000D ultra-low shrinkage polyester filament: 100 revolutions per meter; weft direction: the upper layer is 0.3mm of ultra-low shrinkage polyester monofilament; the lower layer is 0.3mm of ultra-low shrinkage polyester monofilament; weaving: 1/1 plain weave.
3. The composite potato chip mold strip of claim 1, wherein: 0.5 to 1.5 percent of polysiloxane is added into the TPEE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995559.1A CN106739308B (en) | 2016-11-11 | 2016-11-11 | Composite potato chip mold belt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610995559.1A CN106739308B (en) | 2016-11-11 | 2016-11-11 | Composite potato chip mold belt and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106739308A CN106739308A (en) | 2017-05-31 |
| CN106739308B true CN106739308B (en) | 2020-06-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005538914A (en) * | 2002-09-17 | 2005-12-22 | ハバシット アクチエンゲゼルシャフト | Butt joint conveyor belt |
| CN101768870A (en) * | 2009-12-30 | 2010-07-07 | 上海永利带业股份有限公司 | Manufacturing method of thermoplastic polyester elastomer conveyer belt with low shrinkage and deformation |
| CN103466254A (en) * | 2013-09-22 | 2013-12-25 | 上海永利带业股份有限公司 | Conveyor belt for flowering plant automatic production system and manufacturing method of conveyor belt |
| CN103496547A (en) * | 2013-10-14 | 2014-01-08 | 济南天齐特种平带有限公司 | Tooth connection thin-type conveyor belt |
-
2016
- 2016-11-11 CN CN201610995559.1A patent/CN106739308B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005538914A (en) * | 2002-09-17 | 2005-12-22 | ハバシット アクチエンゲゼルシャフト | Butt joint conveyor belt |
| CN101768870A (en) * | 2009-12-30 | 2010-07-07 | 上海永利带业股份有限公司 | Manufacturing method of thermoplastic polyester elastomer conveyer belt with low shrinkage and deformation |
| CN103466254A (en) * | 2013-09-22 | 2013-12-25 | 上海永利带业股份有限公司 | Conveyor belt for flowering plant automatic production system and manufacturing method of conveyor belt |
| CN103496547A (en) * | 2013-10-14 | 2014-01-08 | 济南天齐特种平带有限公司 | Tooth connection thin-type conveyor belt |
Non-Patent Citations (1)
| Title |
|---|
| "轻型输送带发展现状及趋势分析（下）";陆晓理;《中国橡胶》;20120405 * |
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