CN207107297U - Straight line easily tears complex pocket - Google Patents
Straight line easily tears complex pocket Download PDFInfo
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- CN207107297U CN207107297U CN201720683546.0U CN201720683546U CN207107297U CN 207107297 U CN207107297 U CN 207107297U CN 201720683546 U CN201720683546 U CN 201720683546U CN 207107297 U CN207107297 U CN 207107297U
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Abstract
The utility model discloses straight line easily to tear complex pocket.Including printing layer, ink layer and hot sealing layer, adhesive layer is provided between the ink layer and the hot sealing layer, wherein, the printing layer is pet film layer, and the hot sealing layer is polyethylene film layer.The utility model improves the defects of plastic packaging bag is current, and the complex pocket tensile strength after improvement is small, easily tears, and tear line is neat, rule.
Description
Technical field
Technical field of soft package is the utility model is related to, specifically straight line easily tears complex pocket.
Background technology
Plastic packaging bag is with soft texture, and transparency is good, can print, and heat seal strength jail, in light weight, intensity is high, corrosion-resistant
The features such as be widely used in daily life and industrial production.
But conventional plastic packaging bag also there are many shortcomings, as complex pocket tensile strength is too big, it is not easy to tear；Tear line is curved
Song, irregular etc..To improve plastic packaging bag disadvantages described above, therefore do the research of " straight line easily tears complex pocket ".
Utility model content
The utility model is directed to deficiency of the prior art, there is provided straight line easily tears complex pocket, which improves plastics package
The defects of bag is current, the complex pocket tensile strength after improvement is small, easily tears, and tear line is neat, rule.
In order to solve the above technical problems, the utility model is addressed by following technical proposals：Straight line easily tears complex pocket,
Including printing layer, ink layer and hot sealing layer, adhesive layer is provided between the ink layer and the hot sealing layer, wherein, it is described
Printing layer is pet film layer, and the hot sealing layer is polyethylene film layer.
In above-mentioned technical proposal, it is preferred that aluminium foil layer is additionally provided between the ink layer and the hot sealing layer, together
When, it is provided with adhesive layer between the ink layer and the aluminium foil layer and the aluminium foil layer and the hot sealing layer.
The beneficial effects of the utility model are：The utility model improves the defects of plastic packaging bag is current, after improvement
Complex pocket tensile strength is small, easily tears, and tear line is neat, rule.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment 1.
Fig. 2 is the schematic diagram of the utility model embodiment 2.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
Outer polyester film layer（PET）Barrier, the effect of toughness reinforcing：PET film has that intensity is high, rigidity is good, transparent, glossiness is high
The features such as；Odorless, tasteless, colourless, nontoxic, prominent obdurability；Its tensile strength be PC films, 3 times of nylon membrane, impact strength
It is 3-5 times of BOPP film, there is fabulous wearability, folding resistance, pinhole resistance and tear resistance etc.；Heat-shrinkable is minimum, from
And improve its heat sealability, barrier and the adhesive force of printing；PET also has good heat resistance, excellent boiling resistance, resistance to low
Temperature freezing property, good oil resistivity and chemical-resistant etc..PET film is in addition to nitrobenzene, chloroform, phenmethylol, most ofization
Product all can not dissolve it.But, PET can be corroded by highly basic, should be noted that during use.PET film water absorption rate is low, water resistance
It is good, the high food of proper packing water content.
Aluminium foil（AL）, iris action：Aluminium foil is soft metallic film, not only with moistureproof, airtight, shading, erosion resistant,
Protect the advantages that fragrant, nonpoisonous and tasteless, but also because it has graceful silvery white gloss, be easy to U.S. that printing processes various colors
Beautiful pattern and decorative pattern, thus be easier to be favored by people.
Aluminium foil excellent in barrier property, vapor, air, ultraviolet and bacterium etc. can be shielded as packaging material, make bag
Dress thing receives intact protection, it is ensured that boiling group food never degenerates for more than 1 year.In stable condition, machine when high temperature and low temperature
The features such as tool performance, good compound adaptability.
Inner layer polyethylene film（PE）, heat sealing effect：Polyethylene film outward appearance is translucent, nontoxic, tasteless, odorless, health
The plastic packaging film of dependable performance.There is good impact resistance under low temperature, heat resistance is poor, has excellent mouldability and heat
Envelope and property.Low water absorbable, moisture resistance is fabulous, and gas permeability is big, and fragrance protectiveness is poor.Chemical stabilization, various strong salt, aqueous slkalis are resistant to,
50% sulfuric acid, 40% nitric acid etc..Cold resistance is good, can be used for a long time under -400C low temperature environment.Be largely used to food, medicine,
The general damp-prrof packing and Frozen Food Packaging of commodity and metallic article.
Binder：Layers of material is bonded together, all adhesive layers referred in the application are by same bonding
Agent is formed.
Ink：Word, color, pattern etc. are presented by printing.
（Embodiment 1, straight line easily tear complex pocket）
Referring to Fig. 1, straight line easily tears complex pocket, including printing layer 1, ink layer 4 and hot sealing layer 2, the ink layer with it is described
Adhesive layer is provided between hot sealing layer, adhesive layer thickness is 1-5um, wherein, the printing layer is poly terephthalic acid second
Terephthalate films layer, pet film thickness degree are 6-20 um, and the hot sealing layer is polyethylene film layer,
Polyethylene film layer thickness is 30-80 um.
Heat-sealing layer formula use high density polyethylene (HDPE), medium density polyethylene, ethylene-methyl methacrylate for base ionic polymerization
Resin, ethene obtain with being blow molded after alkene modified copolymer and the blending of ultralow LLDPE.High density polyethylene (HDPE)
With the advantages of intensity is high, fragility is good；Medium density polyethylene has good blowing performance, high-stiffness；Ultra-low density polyethylene
With good mechanical performance and ultralow density.
Adjusted by multiple ratio, final choice 15-25% high density polyethylene (HDPE), 25-35% medium density polyethylene,
30-40% ethylene-methyl methacrylate is the ionomeric resins of base and the 35-45% good machine of ultra-low density polyethylene
Tool performance and the blending after-blow film preparation of ultralow density so that whole inner membrance forms a density ladder, into straight during tear
Line, inner membrance have good processing characteristics, deflection, easy-to-rupture, low temperature self-styled.
（Embodiment 2, straight line easily tear complex pocket）
Referring to Fig. 2, straight line easily tears complex pocket, including printing layer 1, ink layer 4, aluminium foil layer 3 and hot sealing layer 2, aluminium foil thickness
Spend for 7-15 um, be provided with adhesive layer between the ink layer and the aluminium foil layer, the aluminium foil layer and the hot sealing layer it
Between be provided with adhesive layer, adhesive layer thickness is 1-5um, wherein, the printing layer be polyethylene terephthalate it is thin
Film layer, pet film thickness degree are 6-20 um, and the hot sealing layer is polyethylene film layer, polyethylene film
Thickness degree is 30-80 um.
Heat-sealing layer formula use high density polyethylene (HDPE), medium density polyethylene, ethylene-methyl methacrylate for base ionic polymerization
Resin, ethene obtain with being blow molded after alkene modified copolymer and the blending of ultralow LLDPE.High density polyethylene (HDPE)
With the advantages of intensity is high, fragility is good；Medium density polyethylene has good blowing performance, high-stiffness；Ultra-low density polyethylene
With good mechanical performance and ultralow density.
Adjusted by multiple ratio, final choice 15-25% high density polyethylene (HDPE), 25-35% medium density polyethylene,
30-40% ethylene-methyl methacrylate is the ionomeric resins of base and the 35-45% good machine of ultra-low density polyethylene
Tool performance and the blending after-blow film preparation of ultralow density so that whole inner membrance forms a density ladder, into straight during tear
Line, inner membrance have good processing characteristics, deflection, easy-to-rupture, low temperature self-styled.
（Embodiment 3, straight line easily tear the manufacture method of complex pocket）
The present embodiment is the manufacture method that straight line easily tears complex pocket described in above-described embodiment 1：Its step is as follows：
1., manufacture base film：First, oil is formed after printing one layer of ink drying on the one side of printing layer 1 by printing machine
Layer of ink 4；Again by dry compound machine, binder formation adhesive layer is coated on the printing surface of printing layer 1, afterwards by hot sealing layer 2
Hot pressing is combined on the adhesive layer, so as to obtain base film, wherein dry compound machine speed：≤200m/min；Drying temperature：One
Group：50-65 DEG C, two groups：65-85℃；Three groups：75-90℃；Hot drum temperature：50-70℃；
2., curing：Heat preserving type maturation process is carried out to base film in curing chamber, curing chamber condition of work is as follows：Temperature：
40-50 DEG C, the time：≥48h.
3., cutting：It is strict to be operated by cutting requirement.
4., bag：It is strict to be operated by the requirement of bag standard.
5., packaging：Mould bag+corrugated case packaging, transportation and packing hit-gain trust disk.
Wherein, dry compound machine drying temperature changes in bench, and one group, two groups, three groups refers to that three temperature become bench.
（Embodiment 4, straight line easily tear the manufacture method of complex pocket）
The present embodiment is the manufacture method that straight line easily tears complex pocket described in above-described embodiment 2：Its step is as follows：
1., manufacture base film：First, oil is formed after printing one layer of ink drying on the one side of printing layer 1 by printing machine
Layer of ink 4；Again by dry compound machine, binder formation adhesive layer is coated on the printing surface of printing layer 1, afterwards by aluminium foil layer 3
One side hot pressing is combined on the adhesive layer, and completion is compound for the first time, wherein, dry compound machine speed：≤200m/min；It is dry
Dry temperature：One group：50-65 DEG C, two groups：65-85℃；Three groups：75-90℃；Hot drum temperature：50-65 DEG C, then in curing chamber
First time heat preserving type maturation process is carried out, curing chamber condition of work is as follows：Temperature：40-50 DEG C, the time：≥48h；It is and then logical
Dry compound machine is crossed, binder is coated on the another side of aluminium foil layer 3 and forms adhesive layer, it is finally that the hot pressing of hot sealing layer 2 is compound
Onto the adhesive layer, completion is compound for the second time, wherein, dry compound machine speed：≤180m/min；Drying temperature：One group：
50-65 DEG C, two groups：65-85℃；Three groups：75-90℃；Hot drum temperature：50-70 DEG C, second is then carried out in curing chamber and is protected
Warm formula maturation process, curing chamber condition of work are as follows：Temperature：40-50 DEG C, the time：>=48h, so as to obtain base film；
2., cutting：It is strict to be operated by cutting requirement.
3., bag：It is strict to be operated by the requirement of bag standard.
4., packaging：Mould bag+corrugated case packaging, transportation and packing hit-gain trust disk.
Wherein, dry compound machine drying temperature changes in bench, and one group, two groups, three groups refers to that three temperature become bench.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the utility model technical scheme
Enclose.
Claims (2)
1. straight line easily tears complex pocket, it is characterised in that：Including printing layer（1）, ink layer（4）And hot sealing layer（2）, the ink layer
（4）With the hot sealing layer（2）Between be provided with adhesive layer, wherein, the printing layer（1）For polyethylene terephthalate
Film layer, the hot sealing layer（2）For polyethylene film layer.
2. straight line according to claim 1 easily tears complex pocket, it is characterised in that：In the ink layer（4）With the heat-sealing
Layer（2）Between be additionally provided with aluminium foil layer（3）, meanwhile, the ink layer（4）With the aluminium foil layer（3）And the aluminium foil layer（3）
With the hot sealing layer（2）Between be provided with adhesive layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720683546.0U CN207107297U (en) | 2017-06-13 | 2017-06-13 | Straight line easily tears complex pocket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720683546.0U CN207107297U (en) | 2017-06-13 | 2017-06-13 | Straight line easily tears complex pocket |
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| CN207107297U true CN207107297U (en) | 2018-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089413A (en) * | 2017-06-13 | 2017-08-25 | 浙江金石包装有限公司 | Straight line easily tears complex pocket and its manufacture method |
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2017
- 2017-06-13 CN CN201720683546.0U patent/CN207107297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107089413A (en) * | 2017-06-13 | 2017-08-25 | 浙江金石包装有限公司 | Straight line easily tears complex pocket and its manufacture method |
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