CN103009750B - A kind of Biaxially oriented polypropylene common cigarette packaging film and manufacture method thereof - Google Patents
A kind of Biaxially oriented polypropylene common cigarette packaging film and manufacture method thereof Download PDFInfo
- Publication number
- CN103009750B CN103009750B CN201210570455.8A CN201210570455A CN103009750B CN 103009750 B CN103009750 B CN 103009750B CN 201210570455 A CN201210570455 A CN 201210570455A CN 103009750 B CN103009750 B CN 103009750B
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- CN
- China
- Prior art keywords
- packaging film
- temperature
- cigarette packaging
- biaxially oriented
- common cigarette
- Prior art date
- 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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- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 29
- 229920006280 packaging film Polymers 0.000 title claims abstract description 21
- 239000012785 packaging film Substances 0.000 title claims abstract description 21
- 229920006378 biaxially oriented polypropylene Polymers 0.000 title claims abstract description 17
- 239000011127 biaxially oriented polypropylene Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title abstract description 10
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000011521 glass Substances 0.000 claims abstract description 14
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 8
- 150000001412 amines Chemical class 0.000 claims abstract description 7
- 229940075507 glyceryl monostearate Drugs 0.000 claims abstract description 6
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims abstract description 6
- -1 it does not whiten Substances 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000003595 mist Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229920005629 polypropylene homopolymer Polymers 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 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
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000009966 trimming Methods 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/92—Measuring, controlling or regulating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a kind of Biaxially oriented polypropylene common cigarette packaging film and manufacture method thereof, for the problem that existing common cigarette packaging film mist degree is high, the present invention with a certain amount of ethoxylated amine and glyceryl monostearate for antistatic additive, it does not whiten, mist degree can not be increased, and by the THICKNESS CONTROL on hot sealing layer and upper strata at 0.7 ~ 0.8 μm, glass microballoon is selected to be antiblocking agent, specific preparation technology is adopted to obtain Biaxially oriented polypropylene common cigarette packaging film, it has low mist degree, can meet the demand of people to high-grade cigarette pack.
Description
Technical field
The present invention relates to a kind of Biaxially oriented polypropylene common cigarette packaging film and preparation method thereof, belong to technical field of macromolecules.Background technology
BOPP common cigarette film has excellent smooth characteristic, lower shrinkage factor and good barrier, is generally used for soft box packaging.Current national cigarette packing film consumption reaches more than 70,000 tons, and cigarette pack belongs to high-grade packaging, and people more and more pay attention to packaging, also more and more higher to the requirement of cigarette pack outward appearance, particularly more and more higher to transparency requirement.CN200810038623 application discloses a kind of preparation method manufacturing the acrylic resin of high-transparency and high-rigidity cigarette packaging film, it uses two (the 4-tert-butyl group-phenoxy group) phosphate to be that nucleator obtains acrylic resin, the cigarette packaging film mist degree using this acrylic resin obtained, about 1.3%, still can not meet the demand of people to high-grade cigarette pack.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the object of this invention is to provide a kind of Biaxially oriented polypropylene common cigarette packaging film, its haze value is about 1.1%, can meet the demand of people to high-grade cigarette pack.Second object of the present invention is to provide the preparation method of this Biaxially oriented polypropylene common cigarette packaging film.
Biaxially oriented polypropylene common cigarette packaging film of the present invention, its structure is divided into upper, middle and lower-ranking structure, and gross thickness is 16 ~ 22 μm; Upper thickness is 0.7 ~ 0.8 μm, is mixed with by the raw material of following weight percent: 96 ~ 98.8% COPPs, 0.2 ~ 1% glass microballoon and 1 ~ 3% silicone; The thickness in intermediate layer is 14.6 ~ 20.4 μm, is mixed with by the raw material of following weight percent: 99 ~ 99.5% homo-polypropylenes and 0.5 ~ 1% antistatic additive; The thickness of lower floor is 0.7 ~ 0.8 μm, is mixed with by the raw material of following weight percent: 99 ~ 99.8% ternary polymerized polypropylene and 0.2 ~ 1% glass microballoon.Wherein, the composition of antistatic additive is 80 ~ 90% ethoxylated amine and 10 ~ 20% glyceryl monostearates; The particle diameter of glass microballoon is 2 ~ 6 μm.
The preparation method of Biaxially oriented polypropylene common cigarette packaging film of the present invention, by preparing burden, extruding, slab, longitudinal stretching, cross directional stretch, rolling prepare, and wherein, the stretching ratio of longitudinal stretching operation is 500 ~ 550%; The stretching ratio of cross directional stretch operation is 800 ~ 1000%; The extruder temperature extruded in operation is 210 ~ 270 DEG C; Slab machine chilling temperature in slab operation is 16 ~ 25 DEG C; Preheat temperature in longitudinal stretching operation is 103 ~ 130 DEG C, draft temperature is 105 ~ 125 DEG C; Preheat temperature in cross directional stretch operation is 165 ~ 195 DEG C, draft temperature is 155 ~ 165 DEG C, setting temperature is 130 ~ 145 DEG C.
The detailed process of Biaxially oriented polypropylene common cigarette packaging film preparation method of the present invention is:
(1) adopt biaxial tension equipment to implement, technological process is: → slab → longitudinal stretching → cross directional stretch → rolling of preparing burden → extrude.
(2) implementation step
1, prepare burden
Drop into different batch cans by the raw material of above-mentioned design, carry out batch mixing in the ratio of setting, batch mixing can manually batch mixing or equipment batch mixing.
2, extrude
Intermediate layer raw material flows into double screw extruder or singe screw tandem extruder after batch mixing, and upper and lower layered material flows into respective subsidiary extruder after batch mixing.Three layered materials flow out after die head converges.Extruder effect: melting, plasticizing, mixing, equal and quantitative are extruded.Extruder temperature: 210 ~ 270 DEG C.
3, slab
The effect of slab machine is that the resin that extruder die head flows out is cooled to sheet material, makes the size of the degree of crystallinity of resin, crystal habit, crystal reach perfect condition, thus improves the physical property of film, be conducive to the stretching of vertical and horizontal.Slab machine chilling temperature: 16 ~ 25 DEG C.
4, longitudinal stretching
The effect of longitudinal stretching is that the sheet material of coming from slab machine is carried out preheating, and under certain speed, is longitudinally elongated by sheet material, polymer molecule is carried out machine-direction oriented.For ensureing longitudinal contraction rate, the preheat temperature of longitudinal stretching and draft temperature are low as far as possible, and stretching ratio is high as far as possible, and preheat temperature is best: 103 ~ 130 DEG C, draft temperature: 105 ~ 125 DEG C, stretching ratio: 500 ~ 550%;
5, cross directional stretch
To be the sheet material crossed by longitudinal stretching carry out cross directional stretch by the chain guide of setting there being the drawing zone of the larger angle of flare in the effect of cross directional stretch, makes polymer molecule at horizontal orientation equally.For ensureing lateral shrinkage, the preheat temperature of cross directional stretch and draft temperature are low as far as possible, but the too low problem easily occurring de-folder and rupture of membranes of temperature; Preheat temperature is best: 165 ~ 195 DEG C, draft temperature: 155 ~ 165 DEG C, setting temperature: 130 ~ 145 DEG C; Stretching ratio is best 800 ~ 1000%.
6, rolling
The horizontal film pulled out carries out rolling through winder again after trimming.Winding process is relevant with the performance of film, can follow according to rolling situation setting winding tension, attenuation rate, platen pressure adjustment, draw ratio 100 ± 2%.
The present invention is with a certain amount of ethoxylated amine and glyceryl monostearate for antistatic additive, and it does not whiten, and can not increase mist degree; By the THICKNESS CONTROL of hot sealing layer and upper and lower layer in the scope of 0.7 ~ 0.8 μm, hot sealing layer thickness can affect heat sealability when being less than 0.7 μm, can increase product mist degree when being greater than 0.8 μm, therefore hot sealing layer THICKNESS CONTROL neither affects heat sealability the scope of 0.7 ~ 0.8 μm, can not increase mist degree again; Glass microballoon is selected to be antiblocking agent, specific preparation technology is adopted to obtain Biaxially oriented polypropylene common cigarette packaging film, it has the mist degree of about 1.1%, can meet the demand of people to high-grade cigarette pack, has good thickness degree, appearance property and other physical property in addition.
Product representative value
Detailed description of the invention
Specific embodiment is described further low-haze biaxial stretching polypropylene contraction cigarette packaging film of the present invention and manufacture method thereof below.
Embodiment 1
Produce thickness 22 μm of films.Batching: upper thickness 0.8 μm, wherein COPP content is 97.2%, the glass microballoon 0.3% that particle diameter is 2.5 μm, silicone 2.5%; Middle thickness 20.4 μm, wherein homo-polypropylene 99.5%, containing the antistatic additive 0.5% of 80% ethoxylated amine and 20% glyceryl monostearate; Lower thickness 0.8 μm, wherein COPP content is 99.3%, the glass microballoon 0.7% that particle diameter is 2.5 μm.
Masking: adopt biaxial tension co-extrusion technique to obtain Biaxially oriented polypropylene common cigarette packaging film of the present invention, wherein extruder temperature: 230 DEG C; Slab machine temperature: 20 DEG C; Longitudinal stretching multiplying power: 495%, indulges and draws preheat temperature: 115 DEG C, indulges and draws draft temperature: 110 DEG C; Cross directional stretch multiplying power: 930%, horizontally draws preheat temperature: 180 DEG C, horizontally draws draft temperature: 157 DEG C, horizontally draws setting temperature: 145 DEG C; Rolling draw ratio: 100%.
Embodiment 2
Produce thickness 20 μm of films.Batching: upper thickness 0.8 μm, wherein COPP content is 98%, the glass microballoon 0.4% that particle diameter is 2.5 μm, silicone 1.6%; Middle thickness 18.4 μm, wherein homo-polypropylene 99.5%, containing the antistatic additive 0.5% of 85% ethoxylated amine and 15% glyceryl monostearate; Lower thickness 0.8 μm, wherein COPP content is 99%, the glass microballoon 1% that particle diameter is 2.5 μm.
Masking: adopt biaxial tension co-extrusion technique to obtain Biaxially oriented polypropylene common cigarette packaging film of the present invention, wherein extruder temperature: 240 DEG C; Slab machine temperature: 22 DEG C; Longitudinal stretching multiplying power: 500%, indulges and draws preheat temperature: 120 DEG C, indulges and draws draft temperature: 115 DEG C; Cross directional stretch multiplying power: 950%, horizontally draws preheat temperature: 185 DEG C, horizontally draws draft temperature: 160 DEG C, horizontally draws setting temperature: 135 DEG C; Rolling draw ratio: 100%.
Embodiment 3
Produce thickness 18 μm of films.Batching: upper thickness 0.7 μm, wherein COPP content is 96.5%, the glass microballoon 0.5% that particle diameter is 3 μm, silicone 3%; Middle thickness 16.6 μm, wherein homo-polypropylene 99%, containing the antistatic additive 1% of 80% ethoxylated amine and 20% glyceryl monostearate; Lower thickness 0.7 μm, wherein COPP content is 99%, the glass microballoon 1% that particle diameter is 3 μm.
Masking: adopt biaxial tension co-extrusion technique to obtain Biaxially oriented polypropylene common cigarette packaging film of the present invention, wherein extruder temperature: 260 DEG C; Slab machine temperature: 20 DEG C; Longitudinal stretching multiplying power: 530%, indulges and draws preheat temperature: 125 DEG C, indulges and draws draft temperature: 120 DEG C; Cross directional stretch multiplying power: 960%, horizontally draws preheat temperature: 190 DEG C, horizontally draws draft temperature: 160 DEG C, horizontally draws setting temperature: 140 DEG C; Rolling draw ratio: 100%.
Claims (2)
1. a Biaxially oriented polypropylene common cigarette packaging film, its structure is divided into upper, middle and lower-ranking structure, it is characterized in that, upper strata is mixed with by the raw material of following weight percent: 97.2% COPP, 0.3% glass microballoon and 2.5% silicone; Middle level is mixed with by the raw material of following weight percent: 99.5% HOPP and 0.5% antistatic additive; Lower floor is mixed with by the raw material of following weight percent: 99.3% ternary polymerized polypropylene and 0.7% glass microballoon; It is 80% ethoxylated amine and 20% glyceryl monostearate that described antistatic additive comprises percetage by weight; The gross thickness of described common cigarette packaging film is 22 μm, and wherein, upper thickness is 0.8 μm, and the thickness in intermediate layer is 20.4 μm, and the thickness of lower floor is 0.8 μm; The particle diameter of described glass microballoon is 2.5 μm.
2. the preparation method of Biaxially oriented polypropylene common cigarette packaging film according to claim 1, by preparing burden, extruding, slab, longitudinal stretching, cross directional stretch, rolling prepare, it is characterized in that, the stretching ratio of described longitudinal stretching operation is 495%; The stretching ratio of described cross directional stretch operation is 930%; The described extruder temperature extruded in operation is 230 DEG C; Slab machine chilling temperature in described slab operation is 20 DEG C; Preheat temperature in described longitudinal stretching operation is 115 DEG C, draft temperature is 110 DEG C; Preheat temperature in described cross directional stretch operation is 180 DEG C, draft temperature is 157 DEG C, setting temperature is 145 DEG C, rolling draw ratio: 100%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570455.8A CN103009750B (en) | 2012-12-25 | 2012-12-25 | A kind of Biaxially oriented polypropylene common cigarette packaging film and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570455.8A CN103009750B (en) | 2012-12-25 | 2012-12-25 | A kind of Biaxially oriented polypropylene common cigarette packaging film and manufacture method thereof |
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| Publication Number | Publication Date |
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| CN103009750A CN103009750A (en) | 2013-04-03 |
| CN103009750B true CN103009750B (en) | 2015-11-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104342922A (en) * | 2014-11-28 | 2015-02-11 | 周正英 | Polyester fabric finishing agent with antistatic function |
| CN110356084B (en) * | 2019-07-11 | 2020-10-30 | 海南赛诺实业有限公司 | Low-haze three-layer co-extrusion strip-wrapped naked-wrapped polypropylene film and manufacturing method thereof |
| CN110356085B (en) * | 2019-07-11 | 2020-10-30 | 海南赛诺实业有限公司 | Three-layer co-extrusion strip-wrapped naked-wrapped polypropylene film and manufacturing method thereof |
| CN113172974A (en) * | 2021-05-26 | 2021-07-27 | 海南赛诺实业有限公司 | Biaxially oriented degradable film and preparation method thereof |
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| US20070292682A1 (en) * | 2006-06-06 | 2007-12-20 | Toray Plastics (America), Inc. | Metallized biaxially oriented polypropylene film with high metal adhesion |
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| CN102795012A (en) * | 2012-08-14 | 2012-11-28 | 海南赛诺实业有限公司 | Holographic mold-pressing contraction substrate film and manufacturing method thereof |
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2012
- 2012-12-25 CN CN201210570455.8A patent/CN103009750B/en active Active
Patent Citations (6)
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| CN103009750A (en) | 2013-04-03 |
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Denomination of invention: Biaxial stretching polypropylene common cigarette packaging film and manufacturing method thereof Effective date of registration: 20190702 Granted publication date: 20151118 Pledgee: China Construction Bank Co., Ltd. Haikou Daying Shan Branch Pledgor: Hai'nan Sainuo Industry Co., Ltd. Registration number: 2019460000008 |
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