CN104140597A - Material and method for making packing belt - Google Patents
Material and method for making packing belt Download PDFInfo
- Publication number
- CN104140597A CN104140597A CN201410390390.8A CN201410390390A CN104140597A CN 104140597 A CN104140597 A CN 104140597A CN 201410390390 A CN201410390390 A CN 201410390390A CN 104140597 A CN104140597 A CN 104140597A
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- CN
- China
- Prior art keywords
- strap
- temperature
- cooling
- product
- molding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/002—Combinations of extrusion moulding with other shaping operations combined with surface shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Package Frames And Binding Bands (AREA)
Abstract
The invention discloses a material and a method for making a packing belt, relating to the technical field of packaging material production. The making material comprises polypropylene and polyethylene; the making method comprises six technological processes namely extrusion, cooling, stretching, embossing, molding and winding. By optimizing the material ratio of polypropylene to polyethylene, the performance characteristics of the two materials are fully played; the prepared packing belt is light in specific gravity, and can be used for reducing the material waste and reducing the transportation cost; moreover, the product totally adopts environmental friendly materials, and can not cause pollution to the environment; compared with a conventional packing belt, the width and thickness of the product can be reduced while the tension of the product is still kept very high so as to completely meet the operation requirements; compared with a conventional production process, the preparation method disclosed by the invention can be used for automatically adjusting water temperature by virtue of a water cooling machine arranged in a water tank, and can be used for improving the cooling and molding effect of the packing belt; a molding baking oven is additionally arranged after embossing; the molding baking oven can be used for molding the product, preventing the product from deforming, and improving the aesthetic degree and quality of the product.
Description
Technical field
The present invention relates to wrapping material production technical field, be specifically related to a kind of a kind of material and method of manufacturing strap of manufacturing strap.
Background technology
Strap another name strapping tape, packaging strap (strapping tape) is with polyethylene, acrylic resin is main raw, also have and take that nylon and polyester be material, through extruding unilateral stretching, make in the market preferably strap generally to have elastic recovery good, intensity is high, water-tolerant, the functions such as the strong light weight softness of chemical resistant properties, can tie up by hand and can tie up by machine, strap is easy to use when strapping goods, and with low cost, except tying up for the joint sealing of Corrugated Box, also can tie up material, fruit etc., application number is that CN201010228994.4 discloses a kind of polyester packing belt and production method thereof, its material is 100% returnable bottle sheet, its production method comprises the steps: A, returnable bottle sheet is carried out to removal moisture drying, B, self-feeding, C, melting are extruded, D, the sheet of extruding is stretched, shaped, E, rolling, as preferably, in A step: adopt molecular-sieve type dehumidifying and hot-air dry, hot air temperature is 192 ℃, be 280 minutes time of drying, as preferably, in C step: extruder barrel temperature is 192 ℃ of feed zones, 215 ℃ of compression sections, 222 ℃ of metering zones, 211 ℃ of mouth moulds, the polyester packing belt that the present invention obtains and production method thereof, owing to having adopted returnable bottle sheet as producing material, cost reduces greatly, in addition, callable bottle sheet resource is very abundant, bottle sheet is after recycling, not only can prevent contaminate environment, and can increase operation rate, economize on resources, more be conducive to the permanent development of society, but the strap proportion that this kind of production technique produced is high, shrinking percentage is large, when tying up, elasticity is high.
Summary of the invention
It is simple that problem to be solved by this invention is to provide a kind of preparation technology, light specific gravity, high-performance strap that shrinking percentage is little and preparation method thereof.
To achieve these goals, the technical scheme that the present invention takes is: a kind of material of manufacturing strap, and its material comprises polypropylene and polyethylene, described polypropylene and poly material mixture ratio are polypropylene: 95%～100%, polyethylene: 0%～5%.
A method of manufacturing strap, comprises the following steps:
(1) extrude: ready material is sent in forcing machine, and the first paragraph temperature of controlling fuselage is 110～125 ℃, and second segment temperature is 165～175 ℃, and the 3rd section of temperature is 210～225 ℃, and head temperature is 245～270 ℃;
(2) cooling: the band material of extruding through cross-head in step (1) is passed in cooling water tank immediately cooling, controlling coolant water temperature is 30～40 ℃, and it is 15～30mm that die orifice is controlled apart from the distance of sleep;
(3) stretch: in step (2), cooled band material is sent in stretching baking box and stretches, and the temperature in restrained stretching baking box is 150～200 ℃, and restrained stretching multiple is 9～13;
(4) embossing: through two figuratum pressure rollers, make strap be pressed decorative pattern the strap after drawn in step (3);
(5) sizing: the strap after embossing in step (4), through baking box baking sizing, can be made to finished product;
(6) finished product step (5) being made winds up, and packages.
Preferably, in described step (2), cooling water tank used is of a size of 0.8m * 0.5m * 1.0m.
Preferably, in the cooling water tank of described step (2), be provided with cooling-water machine.
Preferably, the method for winding using in described step (5) comprise narrow coil around with tune coil around.
Adopt technical scheme of the present invention, by optimizing polypropylene and poly material mixture ratio, given full play to the performance characteristics of bi-material, the strap light specific gravity of preparing, can reduce the waste of material, and reduced transportation cost, and this product is environment-friendly materials entirely, to environment, can not pollute, with respect to traditional strap, although this product width and thickness reduce, but pulling force is still very high, reached service requirements completely, with respect to traditional processing technology, this preparation method is by the cooling-water machine being provided with in water tank, can automatic water temperature regulation, improve the cooling and fixed effect of strap, after embossing, increase a sizing baking box, can shape to product, prevent that it from deforming, its aesthetics and quality have been improved.
Embodiment
embodiment 1:
?material and a method of manufacturing strap, comprise following processing step:
(1) extrude: ready material is sent in forcing machine, and wherein, the proportioning of described material is polypropylene 95%, polyethylene 5%, the first paragraph temperature of controlling fuselage is 110 ℃, second segment temperature is 170 ℃, the 3rd section of temperature is 215 ℃, and head temperature is 250 ℃;
(2) cooling: the band material of extruding through cross-head in step (1) is passed in cooling water tank immediately cooling, controlling coolant water temperature is 32 ℃, and die orifice is controlled as 18mm apart from the distance of sleep;
(3) stretch: in step (2), cooled band material is sent in stretching baking box and stretches, and the temperature in restrained stretching baking box is 155 ℃, and restrained stretching multiple is 10;
(4) embossing: through two figuratum pressure rollers, make strap be pressed decorative pattern the strap after drawn in step (3);
(5) sizing: the strap after embossing in step (4), through baking box baking sizing, can be made to finished product;
(6) finished product step (5) being made winds up, and packages.
embodiment 2:all the other are identical with embodiment 1, and difference is that, in described step (1), the proportioning of material is virgin pp, and the first paragraph temperature of controlling fuselage is 120 ℃, and second segment temperature is 175 ℃, and the 3rd section of temperature is 220 ℃, and head temperature is 245 ℃; In described step (2), controlling coolant water temperature is 35 ℃; In described step (3), the temperature in restrained stretching baking box is 190 ℃, and restrained stretching multiple is 10.
embodiment 3:all the other are identical with embodiment 1, and difference is that, in described step (1), the proportioning of material is virgin pp, and the first paragraph temperature of controlling fuselage is 115 ℃, and second segment temperature is 170 ℃, and the 3rd section of temperature is 218 ℃, and head temperature is 258 ℃; In described step (2), controlling coolant water temperature is 38 ℃; In described step (3), the temperature in restrained stretching baking box is 155 ℃, and restrained stretching multiple is 13.
embodiment 4:all the other are identical with embodiment 1, and difference is that, in described step (1), the proportioning of material is virgin pp, and the first paragraph temperature of controlling fuselage is 116 ℃, and second segment temperature is 172 ℃, and the 3rd section of temperature is 222 ℃, and head temperature is 267 ℃; In described step (2), controlling coolant water temperature is 31 ℃; In described step (3), the temperature in restrained stretching baking box is 185 ℃, and restrained stretching multiple is 13.
After above processing step, take out strap sample, to be measured:
| Sequence number | Width/mm | Thickness/mm | Proportion (every meter) | Shrinking percentage/% |
| Embodiment 1 | 5.1 | 0.51 | 1.6 | 0.02 |
| Embodiment 2 | 5.1 | 0.50 | 1.6 | 0.04 |
| Embodiment 3 | 8.2 | 0.52 | 2.1 | 0.03 |
| Embodiment 4 | 8.1 | 0.50 | 2.2 | 0.03 |
The strap size making can be that width is 4.5mm～5.5mm, and thickness is 0.45mm～0.55mm, and the proportion of every meter is 1.5～1.7g, or width is 7.5mm～8.5mm, and thickness is 0.45mm～0.55mm, and the proportion of every meter is 2.0～2.3g.
From above data, the strap sample width of producing and thickness are all in dimensional tolerance range, and proportion is lighter, and shrinking percentage is little, and in 0.1%, quality is better, and production technique is simple, easily realizes automatic production.
Obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (5)
1. a material of manufacturing strap, is characterized in that: its material comprises polypropylene and polyethylene, and described polypropylene and poly material mixture ratio are polypropylene: 95%～100%, and polyethylene: 0%～5%.
2. right to use requires a method for the material manufacture strap described in 1, it is characterized in that: described method is carried out according to following steps:
(1) extrude: ready material is sent in forcing machine, and the first paragraph temperature of controlling fuselage is 110～125 ℃, and second segment temperature is 165～175 ℃, and the 3rd section of temperature is 210～225 ℃, and head temperature is 245～270 ℃;
(2) cooling: the band material of extruding through cross-head in step (1) is passed in cooling water tank immediately cooling, controlling coolant water temperature is 30～40 ℃, and it is 15～30mm that die orifice is controlled apart from the distance of sleep;
(3) stretch: in step (2), cooled band material is sent in stretching baking box and stretches, and the temperature in restrained stretching baking box is 150～200 ℃, and restrained stretching multiple is 9～13;
(4) embossing: through two figuratum pressure rollers, make strap be pressed decorative pattern the strap after drawn in step (3);
(5) sizing: the strap after embossing in step (4), through baking box baking sizing, can be made to finished product;
(6) finished product step (5) being made winds up, and packages.
3. a kind of method of manufacturing strap according to claim 2, is characterized in that: in described step (2), cooling water tank used is of a size of 0.8m * 0.5m * 1.0m.
4. a kind of method of manufacturing strap according to claim 2, is characterized in that: in the cooling water tank of described step (2), be provided with cooling-water machine.
5. a kind of method of manufacturing strap according to claim 2, is characterized in that: the method for winding using in described step (5) comprise narrow coil around with tune coil around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390390.8A CN104140597A (en) | 2014-08-11 | 2014-08-11 | Material and method for making packing belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410390390.8A CN104140597A (en) | 2014-08-11 | 2014-08-11 | Material and method for making packing belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104140597A true CN104140597A (en) | 2014-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410390390.8A Pending CN104140597A (en) | 2014-08-11 | 2014-08-11 | Material and method for making packing belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104140597A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603009A (en) * | 2017-08-31 | 2018-01-19 | 东莞市欧之可环保包装科技有限公司 | A kind of strap production technology |
| CN109532049A (en) * | 2018-10-19 | 2019-03-29 | 山东超亚刷丝有限公司 | A method of manufacture embossing brush filament |
| CN109834954A (en) * | 2019-03-23 | 2019-06-04 | 东莞市欧之可环保包装科技有限公司 | A kind of preparation method of unmanned strap |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231982A (en) * | 1998-04-14 | 1999-10-20 | 陈泉龙 | Method for producing strap for bundling miniature machine |
| CN100999649A (en) * | 2006-01-12 | 2007-07-18 | 财团法人工业技术研究院 | Adhesive tape, adhesive tape back film and mfg. process thereof |
| CN102009781A (en) * | 2010-11-17 | 2011-04-13 | 史丽君 | Compound packing strap and production technology |
| CN102490380A (en) * | 2011-11-17 | 2012-06-13 | 四川省资阳市雅之江塑业有限公司 | Packing belt production method and complete equipment |
-
2014
- 2014-08-11 CN CN201410390390.8A patent/CN104140597A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1231982A (en) * | 1998-04-14 | 1999-10-20 | 陈泉龙 | Method for producing strap for bundling miniature machine |
| CN100999649A (en) * | 2006-01-12 | 2007-07-18 | 财团法人工业技术研究院 | Adhesive tape, adhesive tape back film and mfg. process thereof |
| CN102009781A (en) * | 2010-11-17 | 2011-04-13 | 史丽君 | Compound packing strap and production technology |
| CN102490380A (en) * | 2011-11-17 | 2012-06-13 | 四川省资阳市雅之江塑业有限公司 | Packing belt production method and complete equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603009A (en) * | 2017-08-31 | 2018-01-19 | 东莞市欧之可环保包装科技有限公司 | A kind of strap production technology |
| CN109532049A (en) * | 2018-10-19 | 2019-03-29 | 山东超亚刷丝有限公司 | A method of manufacture embossing brush filament |
| CN109834954A (en) * | 2019-03-23 | 2019-06-04 | 东莞市欧之可环保包装科技有限公司 | A kind of preparation method of unmanned strap |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20141112 |