CN103879112A - Polyethylene film for plastic compound flexible package and blow molding method thereof - Google Patents
Polyethylene film for plastic compound flexible package and blow molding method thereof Download PDFInfo
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- CN103879112A CN103879112A CN201410067899.9A CN201410067899A CN103879112A CN 103879112 A CN103879112 A CN 103879112A CN 201410067899 A CN201410067899 A CN 201410067899A CN 103879112 A CN103879112 A CN 103879112A
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- -1 Polyethylene Polymers 0.000 title claims abstract description 43
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 43
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 43
- 150000001875 compounds Chemical class 0.000 title claims abstract description 18
- 229920003023 plastic Polymers 0.000 title claims abstract description 16
- 239000004033 plastic Substances 0.000 title claims abstract description 16
- 238000000071 blow moulding Methods 0.000 title 1
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 64
- 239000002994 raw material Substances 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000010408 film Substances 0.000 claims description 44
- 238000009459 flexible packaging Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- 239000010409 thin film Substances 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical group CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 claims description 3
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000003851 corona treatment Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 229920013716 polyethylene resin Polymers 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 229920001684 low density polyethylene Polymers 0.000 abstract description 7
- 239000004702 low-density polyethylene Substances 0.000 abstract description 7
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 abstract description 6
- 229920000092 linear low density polyethylene Polymers 0.000 abstract description 5
- 239000004707 linear low-density polyethylene Substances 0.000 abstract description 5
- 239000012528 membrane Substances 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002131 composite material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010813 municipal solid waste Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 2
- 229920010126 Linear Low Density Polyethylene (LLDPE) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NBMMYUUHZVNLKL-UHFFFAOYSA-N ethene;1,1,2-trifluoroethene Chemical group C=C.FC=C(F)F NBMMYUUHZVNLKL-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Abstract
The invention discloses a polyethylene film for a plastic compound flexible package and a process thereof. The formula of the polyethylene film is as follows: an inner layer of the polyethylene film comprises the following raw materials in percent by weight: 5-60 percent of LDPE (Low-Density Polyethylene), 15-70 percent of LLDPE (Linear Low Density Polyethylene), 10-30 percent of mLLDPE (metallocene Linear Low Density Polyethylene), 0.1-0.5 percent of smooth opening agent, and 0.3-0.5 percent of a demoulding agent; a middle layer of the polyethylene film comprises the following raw materials in percent by weight: 5-60 percent of LDPE, 15-70 percent of LLDPE, 0-30 percent of mLLDPE and 0.3-0.5 percent of demoulding agent; an outer layer of the polyethylene film comprises the following raw materials in percent by weight: 5-60 percent of LDPE, 15-70 percent of LLDPE, 0-30 percent of mLLDPE and 0.3-0.5 percent of demoulding agent. According to the polyethylene film prepared by adopting the formula and the process of the scheme, the flexibility, the tensile strength, the impact resistance and the puncture resistance are greatly improved.
Description
Technical field
The present invention relates to macromolecule field of packaging material, be specifically related to GB/T4456-2008 plastic compound flexible packaging polyethylene film and blow moiding method thereof.
Background technology
In plastic compound flexible packaging industry, as the polyethylene film of composite membrane base material, often because its formula is single or science etc. not, in the time of the packaging of reply market different product, sometimes heat-sealing temperature is high causes the brilliant point of bag face out-of-flatness or face or burnt grain and affects aesthetics, sometimes in transportation, easily break or puncture because of insufficient strength, sometimes affecting efficiency of down-stream enterprise etc. because opening is bad.
Summary of the invention
For above shortcomings in prior art, the invention provides a kind of polyethylene film and blow moiding method thereof that can increase substantially polyethylene film intensity, it can prevent that polyethylene film from causing the defect of bag face out-of-flatness or the brilliant point of face in the time that high temperature seals effectively.
In order to reach foregoing invention object, plastic compound flexible packaging provided by the invention with polyethylene film by internal layer, middle level and outer three-layer co-extruded forming; Raw material and percentage by weight thereof that described internal layer comprises are as follows: LDPE5%～60%, LLDPE15%～70%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE5%～60%, LLDPE15%～70%; MLLDPE0～30%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE5%～60%, LLDPE15%～70%, mLLDPE0～30%, releasing agent 0.3%～0.5%.
When production, raw material and percentage by weight thereof that preferred described internal layer comprises are as follows: LDPE15%～60%, LLDPE15%～50%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE15%～60%, LLDPE15%～50%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE10%～60%, LLDPE15%～50%, releasing agent 0.3%～0.5%.
When production, raw material and percentage by weight thereof that further preferred described internal layer comprises are as follows: LDPE25%～50%, LLDPE30%～60%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE25%～60%, LLDPE30%～60%; Releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE25%～50%, LLDPE30%～60%, mLLDPE10%～30%, releasing agent 0.3%～0.5%.
When production, raw material and percentage by weight thereof that further preferred described internal layer comprises are as follows: LDPE5%～30%, LLDPE40%～70%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE5%～30%, LLDPE40%～70%; MLLDPE10%～30%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE5%～30%, LLDPE40%～70%, mLLDPE10%～30%, releasing agent 0.3%～0.5%.
When production, further preferably described smooth opening agent is oleamide.
When production, more further preferred described internal layer, middle level and outer field thickness equate.
Another kind of technical scheme provided by the invention is the blow moiding method of plastic compound flexible packaging polyethylene film, and it comprises the following steps:
Steps A, takes internal layer raw material, middle level raw material and outer raw material;
Step B, adds above-mentioned ready internal layer, middle level, outer raw material respectively the batch mixer of each layer, stirs five minutes, in the hopper of delivering to respectively each layer after evenly to be mixed;
Step C, adds and is heated to set value and is incubated after 4 hours until extruder and die head, opens successively the instrument and equipment of main air blower, upper carry-over pinch rolls, lower carry-over pinch rolls, each layer of blowing;
Step D, after material is evenly extruded, manually air inlet makes to become film bubble in the mix polyethylene resin-shaped of molten condition, is penetrated carry-over pinch rolls, passes successively each guide roller, corona machine, chill roll, lower carry-over pinch rolls, wrap-up by film trend;
Continue manual air inlet, the mix polyethylene resin of molten condition forms after stable film bubble, and polyethylene film width and thickness reach setting value; Open interior cold inlet, outlet autobalance switch, make film bubble also can obtain well cooling in stable state all the time;
Step e, starts corona machine sided corona treatment thin film exterior layer surface, adjusts voltage, until thin film exterior layer surface tension reaches 42dyn, the polyethylene film that obtains moulding carries out normal product rolling.
Compared with the brave polyethylene film of flexible package of prior art, beneficial effect of the present invention is:
Adopt the formula of this programme and polyethylene film prepared by blow moiding method thereof: 1, in the time that high temperature seals, there will not be and bubble and burnt material phenomenon; The confficient of static friction of polyethylene film inner face, lower than 0.2, there will not be film bonding phenomenon, and can be used for boiling sterilization in 102 DEG C, shows excellent heat sealability and anti-field trash heat sealability after making composite membrane; 2, the heat-sealing temperature of polyethylene film in the time of heat-sealing bag can significantly reduce, and makes packaging bag appearance looks elegant beautiful, also reduced the consumption of the energy simultaneously; 3, the smooth degree of the film of polyethylene film has obtained reasonably regulating, and has improved the efficiency of down-stream enterprise; 4, the toughness of polyethylene film, hot strength, resistance to impact, paracentesis resistance have obtained improving significantly, and reduction complex pocket is the broken bag rate in transhipment or sales process with packaging product.
Detailed description of the invention
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
The LDPE of the technical program is low density polyethylene (LDPE), and LLDPE is linear low density polyethylene (LLDPE), mLLDPE metallocene linear low density polyethylene, and the polyethylene film of the technical program is by internal layer, middle level and outer three-layer co-extruded forming, and this thickness of three layers equates.
Polyethylene film the first formula
Raw material and percentage by weight thereof that internal layer comprises are as follows: LDPE15%～60%, LLDPE15%～50%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE15%～60%, LLDPE15%～50%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE10%～60%, LLDPE15%～50%, releasing agent 0.3%～0.5%.
Polyethylene film the second formula
Raw material and percentage by weight thereof that internal layer comprises are as follows: LDPE25%～50%, LLDPE30%～60%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE25%～60%, LLDPE30%～60%; Releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE25%～50%, LLDPE30%～60%, mLLDPE10%～30%, releasing agent 0.3%～0.5%.
The third formula of polyethylene film
Raw material and percentage by weight thereof that internal layer comprises are as follows: LDPE5%～30%, LLDPE40%～70%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE5%～30%, LLDPE40%～70%; MLLDPE10%～30%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE5%～30%, LLDPE40%～70%, mLLDPE10%～30%, releasing agent 0.3%～0.5%.
Smooth opening agent in above-mentioned three kinds of formulas is preferably oleamide; Releasing agent is preferably the high polymer containing the low molecular weight polyethylene carrier of ethene-trifluoro-ethylene copolymer of 5% and 95%.
Above-mentioned three kinds of cellothenes that formula is produced, there will not be brilliant point and burnt material phenomenon, the confficient of static friction of cellothene inner face is lower than 0.2, there will not be film bonding phenomenon, and can be used for boiling sterilization in 102 DEG C, show excellent heat sealability and anti-field trash heat sealability after making composite membrane.The cost of the first formula is lower, but toughness, hot strength, resistance to impact, paracentesis resistance is not as good as the second formula and the third formula, and the compound membrane bag of making is applicable to the packaging of flexible products; The third above-mentioned mechanical property and transparent higher than the second formula of filling a prescription, but cost also can raise accordingly; The compound membrane bag that above-mentioned second, third kind of formula made can be used for packaging heavier, harder product, the generation that can effectively prevent packaging bag extruding or pierce through broken bag phenomenon.
Embodiment 1
The raw material of inner layer film and percetage by weight thereof are: LDPE59.48%, LLDPE19.83%, mLLDPE19.83%, smooth opening agent 4 ‰, releasing agent 4.8 ‰;
The raw material of mesopelagic layer and percetage by weight thereof are: LDPE59.71%, LLDPE39.81%, releasing agent 4.8 ‰;
The raw material of outer membrane and percetage by weight thereof are: LDPE59.71%, LLDPE39.81%, releasing agent 4.8 ‰;
The batching of above-mentioned inner, middle and outer layer is poured in each layer of batch mixer, stirred 5 minutes, material is mixed, send into hopper; The raw material mixing is added in the extruder that temperature has been heated to set value and be incubated 4 hours; Open successively the instrument and equipment of main air blower, upper carry-over pinch rolls, lower carry-over pinch rolls, each tunic blowing process; Add and be heated to set value and be incubated after 4 hours until extruder and die head, open successively the instrument and equipment of main air blower, upper carry-over pinch rolls, lower carry-over pinch rolls, each tunic blowing; After material is evenly extruded, manually air inlet makes to become film bubble in the mix polyethylene resin-shaped of molten condition, is penetrated carry-over pinch rolls, passes successively each guide roller, corona machine, chill roll, lower carry-over pinch rolls, wrap-up by polyethylene film trend; Continue manual air inlet, the mix polyethylene resin of melting forms after stable film bubble, and reaches polyethylene film width and thickness to setting value; Open interior cold turnover gas autobalance switch, make film bubble all the time in stable state and obtain well cooling; Start corona machine sided corona treatment thin film exterior layer surface, adjust voltage, until thin film exterior layer surface tension reaches 42dyn, the polyethylene film that obtains moulding carries out normal product rolling.
Embodiment 2
The raw material of internal layer and percetage by weight thereof are: LDPE39.65%, LLDPE39.65%, mLLDPE19.83%, smooth opening agent 4 ‰, releasing agent 4.8 ‰;
The raw material in middle level and percetage by weight thereof are: LDPE39.81%, LLDPE59.71%, releasing agent 4.8 ‰;
Outer field raw material and percetage by weight thereof are: LDPE29.86%, LLDPE49.76%, mLLDPE19.9%, releasing agent 4.8 ‰;
The blow moiding method of the present embodiment is identical with embodiment 1.
Embodiment 3
The raw material of internal layer and percetage by weight thereof are: LDPE7.93%, LLDPE67.40%, mLLDPE23.79%, smooth opening agent 4 ‰, releasing agent 4.8 ‰;
The raw material in middle level and percetage by weight thereof are: LDPE7.96%, LLDPE67.68%, mLLDPE23.88%, releasing agent 4.8 ‰
Outer field raw material and percetage by weight thereof are: LDPE7.96%, LLDPE67.68%, mLLDPE23.88%, releasing agent 4.8 ‰;
The blow moiding method of the present embodiment is identical with embodiment 1.
Adopt the plastic compound flexible packaging polyethylene film that the formula of above-mentioned three embodiment makes to carry out Experiments of Machanics, relevant mechanics test data sees the following form:
The hot strength of polyethylene film, fracture norminal strain, right-angle tearing power for the plastic compound flexible packaging of this formula and explained hereafter, the fall physical and mechanical properties such as mark impact and coefficient of friction performance have obtained increasing substantially as can be seen from the above table.
Claims (7)
1. a plastic compound flexible packaging polyethylene film, is characterized in that: polyethylene film is by internal layer, middle level and outer three-layer co-extruded forming; Raw material and percentage by weight thereof that described internal layer comprises are as follows: LDPE5%～60%, LLDPE15%～70%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE5%～60%, LLDPE15%～70%; MLLDPE0～30%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE5%～60%, LLDPE15%～70%, mLLDPE0～30%, releasing agent 0.3%～0.5%.
2. plastic compound flexible packaging polyethylene film according to claim 1, it is characterized in that: raw material and percentage by weight thereof that described internal layer comprises are as follows: LDPE15%～60%, LLDPE15%～50%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE15%～60%, LLDPE15%～50%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE10%～60%, LLDPE15%～50%, releasing agent 0.3%～0.5%.
3. plastic compound flexible packaging polyethylene film according to claim 1, it is characterized in that: raw material and percentage by weight thereof that described internal layer comprises are as follows: LDPE25%～50%, LLDPE30%～60%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE25%～60%, LLDPE30%～60%; Releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE25%～50%, LLDPE30%～60%, mLLDPE10%～30%, releasing agent 0.3%～0.5%.
4. plastic compound flexible packaging polyethylene film according to claim 1, it is characterized in that: raw material and percentage by weight thereof that described internal layer comprises are as follows: LDPE5%～30%, LLDPE40%～70%, mLLDPE10%～30%, smooth opening agent 0.1%～0.5%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described middle level comprises are as follows: LDPE5%～30%, LLDPE40%～70%; MLLDPE10%～30%, releasing agent 0.3%～0.5%;
Raw material and percentage by weight thereof that described skin comprises are as follows: LDPE5%～30%, LLDPE40%～70%, mLLDPE10%～30%, releasing agent 0.3%～0.5%.
5. according to the arbitrary described plastic compound flexible packaging polyethylene film of claim 1-4, it is characterized in that: described smooth opening agent is oleamide.
6. according to the arbitrary described plastic compound flexible packaging polyethylene film of claim 1-4, it is characterized in that: described internal layer, middle level and outer field thickness equate.
7. the blow moiding method with polyethylene film for the preparation of the arbitrary described plastic compound flexible packaging of claim 1-6, is characterized in that, comprises the following steps:
Steps A, takes internal layer raw material, middle level raw material and outer raw material;
Step B, adds above-mentioned ready internal layer, middle level, outer raw material respectively the batch mixer of each layer, stirs five minutes, in the hopper of delivering to respectively each layer after evenly to be mixed;
Step C, adds and is heated to set value and is incubated after 4 hours until extruder and die head, opens successively the instrument and equipment of main air blower, upper carry-over pinch rolls, lower carry-over pinch rolls, each layer of blowing;
Step D, after material is evenly extruded, manually air inlet makes to become film bubble in the mix polyethylene resin-shaped of molten condition, is penetrated carry-over pinch rolls, passes successively each guide roller, corona machine, chill roll, lower carry-over pinch rolls, wrap-up by film trend;
Continue manual air inlet, the mix polyethylene resin of molten condition forms after stable film bubble, and polyethylene film width and thickness reach setting value; Open interior cold inlet, outlet autobalance switch, make film bubble also can obtain well cooling in stable state all the time;
Step e, starts corona machine sided corona treatment thin film exterior layer surface, adjusts voltage, until thin film exterior layer surface tension reaches 42dyn, the polyethylene film that obtains moulding carries out normal product rolling.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172299A (en) * | 2015-09-24 | 2015-12-23 | 李富贵 | Cooling film and manufacturing method thereof |
| CN108032577A (en) * | 2017-11-10 | 2018-05-15 | 苏州鸿博斯特超净科技股份有限公司 | High intensity cleaning PE films and preparation method thereof |
| CN108068421A (en) * | 2017-12-26 | 2018-05-25 | 常州市华健药用包装材料股份有限公司 | Medicinal high-speed packaging polyethylene film |
| CN109016750A (en) * | 2018-07-26 | 2018-12-18 | 黄山永新股份有限公司 | A kind of polyethylene embossing packaging film and its production technology |
| CN109177128A (en) * | 2018-08-29 | 2019-01-11 | 蚌埠市远红塑胶制品有限公司 | A kind of plastic film machine-shaping device |
| CN109605890A (en) * | 2019-01-21 | 2019-04-12 | 河南省银丰塑料有限公司 | Three-layer co-extruded ultra-low temperature heat sealing packing film |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193609A (en) * | 2004-01-09 | 2005-07-21 | Idemitsu Unitech Co Ltd | Multi-layer film |
| CN102380997A (en) * | 2011-08-05 | 2012-03-21 | 大连方盛塑料有限公司 | Plastic substrate film for food packing and machining process thereof |
| CN102423947A (en) * | 2011-08-03 | 2012-04-25 | 大连方盛塑料有限公司 | Plastic substrate film for chocolate food packaging and processing technic thereof |
| CN103481621A (en) * | 2013-08-30 | 2014-01-01 | 东莞市正新包装制品有限公司 | Low-temperature polyethylene shrink film and film blowing technique thereof |
-
2014
- 2014-02-26 CN CN201410067899.9A patent/CN103879112B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005193609A (en) * | 2004-01-09 | 2005-07-21 | Idemitsu Unitech Co Ltd | Multi-layer film |
| CN102423947A (en) * | 2011-08-03 | 2012-04-25 | 大连方盛塑料有限公司 | Plastic substrate film for chocolate food packaging and processing technic thereof |
| CN102380997A (en) * | 2011-08-05 | 2012-03-21 | 大连方盛塑料有限公司 | Plastic substrate film for food packing and machining process thereof |
| CN103481621A (en) * | 2013-08-30 | 2014-01-01 | 东莞市正新包装制品有限公司 | Low-temperature polyethylene shrink film and film blowing technique thereof |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105172299A (en) * | 2015-09-24 | 2015-12-23 | 李富贵 | Cooling film and manufacturing method thereof |
| CN108032577A (en) * | 2017-11-10 | 2018-05-15 | 苏州鸿博斯特超净科技股份有限公司 | High intensity cleaning PE films and preparation method thereof |
| CN108068421A (en) * | 2017-12-26 | 2018-05-25 | 常州市华健药用包装材料股份有限公司 | Medicinal high-speed packaging polyethylene film |
| CN109016750A (en) * | 2018-07-26 | 2018-12-18 | 黄山永新股份有限公司 | A kind of polyethylene embossing packaging film and its production technology |
| CN109177128B (en) * | 2018-08-29 | 2020-06-19 | 浙江龙诗工艺品股份有限公司 | Plastic film machine-shaping device |
| CN109177128A (en) * | 2018-08-29 | 2019-01-11 | 蚌埠市远红塑胶制品有限公司 | A kind of plastic film machine-shaping device |
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Denomination of invention: Polyethylene film and blow molding method for plastic composite flexible packaging Granted publication date: 20160210 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU XINGHENGTAI PRINTING Co.,Ltd. Registration number: Y2024980010713 |