CN106956442A - A kind of production technology of plastic packaging bag - Google Patents
A kind of production technology of plastic packaging bag Download PDFInfo
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- CN106956442A CN106956442A CN201710200381.1A CN201710200381A CN106956442A CN 106956442 A CN106956442 A CN 106956442A CN 201710200381 A CN201710200381 A CN 201710200381A CN 106956442 A CN106956442 A CN 106956442A
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- film
- packaging bag
- plastic packaging
- temperature
- plastic
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- 229920003023 plastic Polymers 0.000 title claims abstract description 97
- 239000004033 plastic Substances 0.000 title claims abstract description 97
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 30
- 238000005516 engineering process Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- 238000007639 printing Methods 0.000 claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 8
- 238000012986 modification Methods 0.000 claims abstract description 7
- 230000004048 modification Effects 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims description 23
- 229920001971 elastomer Polymers 0.000 claims description 22
- 239000000806 elastomer Substances 0.000 claims description 22
- 229920001038 ethylene copolymer Polymers 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 239000008116 calcium stearate Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- -1 polyethylene Polymers 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 8
- 235000013539 calcium stearate Nutrition 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- 229920001617 Vinyon Polymers 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims description 7
- 229920006255 plastic film Polymers 0.000 claims description 7
- 239000000376 reactant Substances 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 6
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 claims description 6
- 229920013636 polyphenyl ether polymer Polymers 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000004014 plasticizer Substances 0.000 claims description 5
- 239000008117 stearic acid Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 235000019359 magnesium stearate Nutrition 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 12
- 239000012803 melt mixture Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 235000002256 Diospyros oleifera Nutrition 0.000 description 1
- 244000153389 Diospyros oleifera Species 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7128—Bags, sacks, sachets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a kind of production technology of plastic packaging bag, including following preparation process：Prepare material, fusing, modification, blown film, color printing, overlay film, bag, edge sealing and punching press.The simple production process of the plastic packaging bag of the present invention, easy to operate, production cost are low; the tensile strength for producing obtained plastic packaging bag is significantly improved; extend its service life; and matt film, PU oil and the diaphragm set up after printed patterns can further protect pattern; make it be difficult to be worn, improve the surface abrasion resistance of polybag.
Description
Technical field
The present invention relates to technical field of plastic, and in particular to a kind of production technology of plastic packaging bag.
Background technology
Plastic shopping bag is the necessity in daily life, it is well known that present consumer and market have all been formed to modeling
Expect the hard requirement of packaging bag consumption, and this consumption has become a kind of custom, and plastic packaging bag has incorporated everybody life
In work.In daily life, plastic packaging bag is increasingly becoming the first choice of packing articles due to lightweight, easy to use.In development
Middle country, because commercialization process causes store quantity to increase steadily, so as to drive the further numerous of plastic packaging bag industry
Honor, both show the correlation of height.Global plastic packaging bag industry totally shows the development trend of steady-state growth, You Shi
Swift and violent growth is still presented to the total demand of plastic packaging bag in developing country, so as to promote plastic packaging bag industry
Sustainable growth and prosperity.Therefore, the technology of the qualified plastic packaging bag of Low-cost, the large batch of quality of production is more
It is important.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of simple production process, easy to operate, raw
Low cost is produced, and improves the production technology of the tensile strength of polybag and the plastic packaging bag of wearability.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
A kind of production technology of plastic packaging bag, including following preparation process：
S1, preparation material：Vinyon particle is filtered out with the sieve of 50 ~ 150 mesh, it is standby；
S2, fusing：Polyethylene particle is put into reactor, temperature is slowly increased to 200 ~ 220 DEG C, is carried out in being stirred continuously
Melt processed, after being in molten condition to reactant, adds plasticizer and stabilizer, is stirred for 10 ~ 20min, obtains melting mixing
Thing；
S3, modification：Temperature of reactor is adjusted to 220 ~ 225 DEG C, calcium stearate is added into molten mixture, 5 ~ 10min is stirred；
Take appropriate Toughening Effect of Ethylene Copolymer Elastomer to be divided into three parts of equivalent, first part of Toughening Effect of Ethylene Copolymer Elastomer is added into reactor, and
Temperature of reactor is slowly increased to 230 DEG C, keeping temperature stirs 5 ~ 10min；Second part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will
Temperature of reactor is slowly increased to 235 DEG C, and keeping temperature stirs 5 ~ 10min；The 3rd part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will be anti-
Device temperature is answered to be slowly increased to 240 DEG C, keeping temperature stirs 10 ~ 20min；
S4, blown film：Molten mixture is added into inflation film manufacturing machine and carries out blown film, the plastics of melting remove after being filtered through blown-film die
Impurity is extruded from die orifice, and after cooling treatment, plastic sheeting is made, plastic sheeting is removed after Electrostatic Treatment, by plastics
Film take-up is on the first emptying roller；
S5, color printing：First emptying roller is installed on the feed arrangement of printing machine, upper pattern is printed on a plastic film, then will
Figuratum plastic sheeting is printed to wind on the second emptying roller；
S6, overlay film：Second emptying roller is installed on the feed arrangement of laminating machine, figuratum one side overlying is printed in plastic sheeting
Upper matt film, is then sequentially coated with PU oil and diaphragm, then the plastic sheeting that overlay film is completed is wound in the on matt film
On three emptying rollers；
S7, bag：3rd emptying roller is installed on the feed arrangement of Bag Making Machine, plastic sheeting is cut；
S8, edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag after cutting, hot blast temperature is 140 ~ 160 DEG C；
S9, punching press：Cutting die punch process is carried out to the bag after edge sealing, goes out on bag handle and carries hole, obtain plastics package
Bag finished product.
Preferably, in abovementioned steps S2, lubricant is additionally added in molten polyethylene material, lubricant is stearic acid, firmly
One kind in resin acid calcium or magnesium stearate.
More preferably, in abovementioned steps S2, plasticizer is made up of phthalic acid ester, and plasticizer can increase the plastic of plastics
Property and flexibility, reduce fragility, make plastics easily processed into type, and plasticizer is nontoxic in itself, odorless, it is all very steady to light, heat
It is fixed.
It is highly preferred that in abovementioned steps S2, stabilizer is made up of stearate or epoxy resin, may be such that plastics to light and
Heat is all very stable, extends its service life.
It is further preferred that in abovementioned steps S4, the temperature of inflation film manufacturing machine is 155 ~ 165 DEG C.
Specifically, in abovementioned steps S4, cooling treatment selects air-cooled processing or water-cooled process.
Preferably, in abovementioned steps S6, diaphragm is made up of polyphenyl ether material, and diaphragm has more preferable wearability, can
The abrasion that the surface of plastic packaging bag is received is reduced, extends its service life.
The present invention is advantageous in that：The present invention plastic packaging bag simple production process, it is easy to operate, be produced into
This is low, and the tensile strength of the polybag obtained after modified and overlay film working process is substantially improved, and after printed patterns
Matt film, PU oil and the diaphragm set up can further protect pattern, make it be difficult to be worn, improve the surface of polybag
Wearability.
Embodiment
Make specific introduce to the present invention below in conjunction with specific embodiment.
Embodiment 1
A kind of production technology of plastic packaging bag, including following preparation process：
S1, preparation material：Vinyon particle is filtered out with the sieve of 50 mesh, it is standby；
S2, fusing：Polyethylene particle is put into reactor, temperature is slowly increased to 200 DEG C, melted in being stirred continuously
Processing, is in molten condition to reactant, adds phthalic acid ester, stearate and stearic acid, be stirred for 10min, melted
Melt mixture；
S3, modification：Temperature of reactor is adjusted to 220 ~ 225 DEG C, calcium stearate is added into molten mixture, 5 ~ 10min is stirred；
Take appropriate Toughening Effect of Ethylene Copolymer Elastomer to be divided into three parts of equivalent, first part of Toughening Effect of Ethylene Copolymer Elastomer is added into reactor, and
Temperature of reactor is slowly increased to 230 DEG C, keeping temperature stirs 5 ~ 10min；Second part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will
Temperature of reactor is slowly increased to 235 DEG C, and keeping temperature stirs 5 ~ 10min；The 3rd part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will be anti-
Device temperature is answered to be slowly increased to 240 DEG C, keeping temperature stirs 10 ~ 20min；
S4, blown film：Molten mixture is added into inflation film manufacturing machine and carries out blown film, the temperature of inflation film manufacturing machine is adjusted to 155 DEG C, the modeling of melting
Material removes impurity and extruded from die orifice after being filtered through blown-film die, after air-cooled cooling treatment, plastic sheeting is made, to plastic sheeting
It is removed after Electrostatic Treatment, plastic sheeting is wound on the first emptying roller；
S5, color printing：First emptying roller is installed on the feed arrangement of printing machine, upper pattern is printed on a plastic film, then will
Figuratum plastic sheeting is printed to wind on the second emptying roller；
S6, overlay film：Second emptying roller is installed on the feed arrangement of laminating machine, figuratum one side overlying is printed in plastic sheeting
Upper matt film, is then sequentially coated with PU oil and the diaphragm being made up of polyphenyl ether material, then overlay film is completed on matt film
Plastic sheeting wind on the 3rd emptying roller；
S7, bag：3rd emptying roller is installed on the feed arrangement of Bag Making Machine, plastic sheeting is cut；
S8, edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag after cutting, hot blast temperature is 140 DEG C；
S9, punching press：Cutting die punch process is carried out to the bag after edge sealing, goes out on bag handle and carries hole, obtain plastics package
Bag finished product.
Embodiment 2
The present embodiment is identical with the preparation process of embodiment 1, and difference is the difference of specific reaction condition and additive, and it is prepared
Step is as follows：
A kind of production technology of plastic packaging bag, including following preparation process：
S1, preparation material：Vinyon particle is filtered out with the sieve of 150 mesh, it is standby；
S2, fusing：Polyethylene particle is put into reactor, temperature is adjusted to 220 DEG C, is carried out in being stirred continuously at fusing
Reason, is in molten condition to reactant, adds phthalic acid ester, epoxy resin and calcium stearate, be stirred for 20min, melted
Melt mixture；
S3, modification：Temperature of reactor is adjusted to 220 ~ 225 DEG C, calcium stearate is added into molten mixture, 5 ~ 10min is stirred；
Take appropriate Toughening Effect of Ethylene Copolymer Elastomer to be divided into three parts of equivalent, first part of Toughening Effect of Ethylene Copolymer Elastomer is added into reactor, and
Temperature of reactor is slowly increased to 230 DEG C, keeping temperature stirs 5 ~ 10min；Second part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will
Temperature of reactor is slowly increased to 235 DEG C, and keeping temperature stirs 5 ~ 10min；The 3rd part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will be anti-
Device temperature is answered to be slowly increased to 240 DEG C, keeping temperature stirs 10 ~ 20min；
S4, blown film：Molten mixture is added into inflation film manufacturing machine and carries out blown film, the temperature of inflation film manufacturing machine is 165 DEG C, the plastics of melting
Remove impurity after filtering through blown-film die to extrude from die orifice, after water cooled cooling treatment, plastic sheeting is made, plastic sheeting is entered
Row is removed after Electrostatic Treatment, and plastic sheeting is wound on the first emptying roller；
S5, color printing：First emptying roller is installed on the feed arrangement of printing machine, upper pattern is printed on a plastic film, then will
Figuratum plastic sheeting is printed to wind on the second emptying roller；
S6, overlay film：Second emptying roller is installed on the feed arrangement of laminating machine, figuratum one side overlying is printed in plastic sheeting
Upper matt film, is then sequentially coated with PU oil and the diaphragm being made up of polyphenyl ether material, then overlay film is completed on matt film
Plastic sheeting wind on the 3rd emptying roller；
S7, bag：3rd emptying roller is installed on the feed arrangement of Bag Making Machine, plastic sheeting is cut；
S8, edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag after cutting, hot blast temperature is 160 DEG C；
S9, punching press：Cutting die punch process is carried out to the bag after edge sealing, goes out on bag handle and carries hole, obtain plastics package
Bag finished product.
Embodiment 3
The present embodiment is identical with the preparation process of embodiment 1, and difference is the difference of specific reaction condition and additive, and it is prepared
Step is as follows：
S1, preparation material：Vinyon particle is filtered out with the sieve of 100 mesh, it is standby；
S2, fusing：Polyethylene particle is put into reactor, temperature is adjusted to 210 DEG C, is carried out in being stirred continuously at fusing
Reason, is in molten condition to reactant, adds phthalic acid ester, epoxy resin and magnesium stearate, be stirred for 15min, melted
Melt mixture；
S3, modification：Temperature of reactor is adjusted to 220 ~ 225 DEG C, calcium stearate is added into molten mixture, 5 ~ 10min is stirred；
Take appropriate Toughening Effect of Ethylene Copolymer Elastomer to be divided into three parts of equivalent, first part of Toughening Effect of Ethylene Copolymer Elastomer is added into reactor, and
Temperature of reactor is slowly increased to 230 DEG C, keeping temperature stirs 5 ~ 10min；Second part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will
Temperature of reactor is slowly increased to 235 DEG C, and keeping temperature stirs 5 ~ 10min；The 3rd part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will be anti-
Device temperature is answered to be slowly increased to 240 DEG C, keeping temperature stirs 10 ~ 20min；
S4, blown film：Molten mixture is added into inflation film manufacturing machine and carries out blown film, the temperature of inflation film manufacturing machine is 160 DEG C, the plastics of melting
Remove impurity after filtering through blown-film die to extrude from die orifice, after air-cooled cooling treatment, plastic sheeting is made, plastic sheeting is entered
Row is removed after Electrostatic Treatment, and plastic sheeting is wound on the first emptying roller；
S5, color printing：First emptying roller is installed on the feed arrangement of printing machine, upper pattern is printed on a plastic film, then will
Figuratum plastic sheeting is printed to wind on the second emptying roller；
S6, overlay film：Second emptying roller is installed on the feed arrangement of laminating machine, figuratum one side overlying is printed in plastic sheeting
Upper matt film, is then sequentially coated with PU oil and the diaphragm being made up of polyphenyl ether material, then overlay film is completed on matt film
Plastic sheeting wind on the 3rd emptying roller；
S7, bag：3rd emptying roller is installed on the feed arrangement of Bag Making Machine, plastic sheeting is cut；
S8, edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag after cutting, hot blast temperature is 150 DEG C；
S9, punching press：Cutting die punch process is carried out to the bag after edge sealing, goes out on bag handle and carries hole, obtain plastics package
Bag finished product.
Comparative example 1
This comparative example is substantially similar with processing step in embodiment 1, and difference is no modification procedure：
A kind of production technology of plastic packaging bag, including following preparation process：
S1, preparation material：Vinyon particle is filtered out with the sieve of 50 mesh, it is standby；
S2, fusing：Polyethylene particle is put into reactor, temperature is slowly increased to 200 DEG C, melted in being stirred continuously
Processing, is in molten condition to reactant, adds phthalic acid ester, stearate and stearic acid, be stirred for 10min, melted
Melt mixture；
S3, blown film：Molten mixture is added into inflation film manufacturing machine and carries out blown film, the temperature of inflation film manufacturing machine is adjusted to 155 DEG C, the modeling of melting
Material removes impurity and extruded from die orifice after being filtered through blown-film die, after air-cooled cooling treatment, plastic sheeting is made, to plastic sheeting
It is removed after Electrostatic Treatment, plastic sheeting is wound on the first emptying roller；
S4, color printing：First emptying roller is installed on the feed arrangement of printing machine, upper pattern is printed on a plastic film, then will
Figuratum plastic sheeting is printed to wind on the second emptying roller；
S5, overlay film：Second emptying roller is installed on the feed arrangement of laminating machine, figuratum one side overlying is printed in plastic sheeting
Upper matt film, is then sequentially coated with PU oil and the diaphragm being made up of polyphenyl ether material, then overlay film is completed on matt film
Plastic sheeting wind on the 3rd emptying roller；
S6, bag：3rd emptying roller is installed on the feed arrangement of Bag Making Machine, plastic sheeting is cut；
S7, edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag after cutting, hot blast temperature is 140 DEG C；
S8, punching press：Cutting die punch process is carried out to the bag after edge sealing, goes out on bag handle and carries hole, obtain plastics package
Bag finished product.
Comparative example 2
This comparative example and processing step in embodiment 1 are substantially similar, and difference is without modified and overlay film step：
A kind of production technology of plastic packaging bag, including following preparation process：
S1, preparation material：Vinyon particle is filtered out with the sieve of 50 mesh, it is standby；
S2, fusing：Polyethylene particle is put into reactor, temperature is slowly increased to 200 DEG C, melted in being stirred continuously
Processing, is in molten condition to reactant, adds phthalic acid ester, stearate and stearic acid, be stirred for 10min, melted
Melt mixture；
S3, blown film：Molten mixture is added into inflation film manufacturing machine and carries out blown film, the temperature of inflation film manufacturing machine is adjusted to 155 DEG C, the modeling of melting
Material removes impurity and extruded from die orifice after being filtered through blown-film die, after air-cooled cooling treatment, plastic sheeting is made, to plastic sheeting
It is removed after Electrostatic Treatment, plastic sheeting is wound on the first emptying roller；
S4, color printing：First emptying roller is installed on the feed arrangement of printing machine, upper pattern is printed on a plastic film, then will
Figuratum plastic sheeting is printed to wind on the second emptying roller；
S5, bag：3rd emptying roller is installed on the feed arrangement of Bag Making Machine, plastic sheeting is cut；
S6, edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag after cutting, hot blast temperature is 140 DEG C；
S7, punching press：Cutting die punch process is carried out to the bag after edge sealing, goes out on bag handle and carries hole, obtain plastics package
Bag finished product.
Plastic tensile performance test：According to standard GB/T/T 1040-1992《Plastic tensile method for testing performance》To reality
Apply obtained polybag in example 1, embodiment 2, embodiment 3 and comparative example 1 and comparative example 2 and carry out plastic tensile performance examination respectively
Test, testing result is as follows：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 | Comparative example 2 | |
| Tensile strength（MPa） | 65 | 63 | 65.5 | 53 | 46 |
According to upper table as can be seen that the tensile strength of polybag made from embodiment 1, embodiment 2 and embodiment 3 apparently higher than
Comparative example 1 and comparative example 2, this modified tensile strength with the polybag obtained after overlay film working process of explanation are substantially obtained
Improve, that is to say, that the addition of calcium stearate and Toughening Effect of Ethylene Copolymer Elastomer can increase the elasticity of plastic foil, so that it has
Have a higher tensile strength, and in preparation process by Toughening Effect of Ethylene Copolymer Elastomer reaction temperature it is slow it is elevated under the conditions of in batches
Add and not only stir, itself and molten mixture can be made more to be sufficiently mixed, its effect is performed to maximization；Pass through comparative example
1 and comparative example 2 as can be seen that do not carry out overlay film working process polybag tensile strength less than include overlay film working process walk
Rapid polybag, this illustrates that matt film, PU oil and diaphragm not only can further protect pattern, makes it be difficult to be worn,
Its surface abrasion resistance is improved, the surface strength of polybag is also increased, makes it be difficult to be torn, so that it is strong to improve stretching
Degree.
The simple production process of the plastic packaging bag of the present invention, easy to operate, production cost are low, and modified and overlay film adds
The tensile strength of polybag obtained after work processing is substantially improved, and set up after printed patterns matt film, PU oil and
Diaphragm can further protect pattern, make it be difficult to be worn, improve its surface abrasion resistance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent or equivalent transformation
Technical scheme, all falls within protection scope of the present invention.
Claims (7)
1. a kind of production technology of plastic packaging bag, it is characterised in that including following preparation process：
S1, preparation material：Vinyon particle is filtered out with the sieve of 50 ~ 150 mesh, it is standby；
S2, fusing：Polyethylene particle is put into reactor, temperature is slowly increased to 200 ~ 220 DEG C, is carried out in being stirred continuously
Melt processed, after being in molten condition to reactant, adds plasticizer and stabilizer, is stirred for 10 ~ 20min, obtains melting mixing
Thing；
S3, modification：Temperature of reactor is adjusted to 220 ~ 225 DEG C, calcium stearate is added into molten mixture, 5 ~ 10min is stirred；
Take appropriate Toughening Effect of Ethylene Copolymer Elastomer to be divided into three parts of equivalent, first part of Toughening Effect of Ethylene Copolymer Elastomer is added into reactor, and
Temperature of reactor is slowly increased to 230 DEG C, keeping temperature stirs 5 ~ 10min；Second part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will
Temperature of reactor is slowly increased to 235 DEG C, and keeping temperature stirs 5 ~ 10min；The 3rd part of Toughening Effect of Ethylene Copolymer Elastomer is added, and will be anti-
Device temperature is answered to be slowly increased to 240 DEG C, keeping temperature stirs 10 ~ 20min；
S4, blown film：Molten mixture is added into inflation film manufacturing machine and carries out blown film, the plastics of melting remove after being filtered through blown-film die
Impurity is extruded from die orifice, and after cooling treatment, plastic sheeting is made, plastic sheeting is removed after Electrostatic Treatment, by plastics
Film take-up is on the first emptying roller；
S5, color printing：First emptying roller is installed on the feed arrangement of printing machine, upper pattern is printed on a plastic film, then will
Figuratum plastic sheeting is printed to wind on the second emptying roller；
S6, overlay film：Second emptying roller is installed on the feed arrangement of laminating machine, figuratum one side overlying is printed in plastic sheeting
Upper matt film, is then sequentially coated with PU oil and diaphragm, then the plastic sheeting that overlay film is completed is wound in the on matt film
On three emptying rollers；
S7, bag：3rd emptying roller is installed on the feed arrangement of Bag Making Machine, plastic sheeting is cut；
S8, edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag after cutting, hot blast temperature is 140 ~ 160 DEG C；
S9, punching press：Cutting die punch process is carried out to the bag after edge sealing, goes out on bag handle and carries hole, obtain plastics package
Bag finished product.
2. the production technology of a kind of plastic packaging bag according to claim 1, it is characterised in that in the step S2,
Lubricant is additionally added in polyethylene material under molten condition, the lubricant is in stearic acid, calcium stearate or magnesium stearate
One kind.
3. the production technology of a kind of plastic packaging bag according to claim 1, it is characterised in that in the step S2, increases
Modeling agent is made up of phthalic acid ester.
4. the production technology of a kind of plastic packaging bag according to claim 1, it is characterised in that in the step S2, surely
Determine agent to be made up of stearate or epoxy resin.
5. the production technology of a kind of plastic packaging bag according to claim 1, it is characterised in that in the step S4, blow
The temperature of film machine is 155 ~ 165 DEG C.
6. the production technology of a kind of plastic packaging bag according to claim 1, it is characterised in that cold in the step S4
But air-cooled processing or water-cooled process are selected in processing.
7. the production technology of a kind of plastic packaging bag according to claim 1, it is characterised in that in the step S6, is protected
Cuticula is made up of polyphenyl ether material.
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