CN103331974B - A kind of aging stability type high glaze, low haze, super cool sliding BOPP film - Google Patents
A kind of aging stability type high glaze, low haze, super cool sliding BOPP film Download PDFInfo
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- CN103331974B CN103331974B CN201310292073.8A CN201310292073A CN103331974B CN 103331974 B CN103331974 B CN 103331974B CN 201310292073 A CN201310292073 A CN 201310292073A CN 103331974 B CN103331974 B CN 103331974B
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- 239000011127 biaxially oriented polypropylene Substances 0.000 title claims abstract description 22
- 229920006378 biaxially oriented polypropylene Polymers 0.000 title claims abstract description 22
- 230000032683 aging Effects 0.000 title claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 64
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 14
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 9
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 238000003475 lamination Methods 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000012752 auxiliary agent Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 39
- 239000000203 mixture Substances 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 8
- 229920001296 polysiloxane Polymers 0.000 description 8
- -1 polypropylene Polymers 0.000 description 7
- 150000001412 amines Chemical class 0.000 description 6
- 239000003595 mist Substances 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 235000021355 Stearic acid Nutrition 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 4
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 4
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 4
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 4
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 description 4
- 239000008117 stearic acid Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 235000021357 Behenic acid Nutrition 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N Behenic acid Natural products CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 229920005479 Lucite® Polymers 0.000 description 2
- MKYLOMHWHWEFCT-UHFFFAOYSA-N Manthidine Natural products C1C2=CC=3OCOC=3C=C2C2C3=CC(OC)C(O)CC3N1C2 MKYLOMHWHWEFCT-UHFFFAOYSA-N 0.000 description 2
- SNFRINMTRPQQLE-JQWAAABSSA-N Montanin Chemical compound O[C@H]([C@@]1(CO)O[C@H]1[C@H]1[C@H]2O3)[C@]4(O)C(=O)C(C)=C[C@H]4[C@]11OC3(CCCCCCCCCCC)O[C@@]2(C(C)=C)C[C@H]1C SNFRINMTRPQQLE-JQWAAABSSA-N 0.000 description 2
- SNFRINMTRPQQLE-OFGNMXNXSA-N Montanin Natural products O=C1[C@@]2(O)[C@@H](O)[C@@]3(CO)O[C@H]3[C@@H]3[C@H]4[C@@]5(C(=C)C)O[C@](CCCCCCCCCCC)(O4)O[C@@]3([C@H](C)C5)[C@@H]2C=C1C SNFRINMTRPQQLE-OFGNMXNXSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- QTZPBQMTXNEKRX-UHFFFAOYSA-N Voacristine pseudoindoxyl Natural products N1C2=CC=C(OC)C=C2C(=O)C21CCN(C1)C3C(C(C)O)CC1CC32C(=O)OC QTZPBQMTXNEKRX-UHFFFAOYSA-N 0.000 description 2
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 description 2
- 229940116226 behenic acid Drugs 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- JZMJDSHXVKJFKW-UHFFFAOYSA-N methyl sulfate Chemical compound COS(O)(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-N 0.000 description 2
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 2
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
Abstract
The invention discloses a kind of aging stability type high glaze, low haze, super cool sliding BOPP film, formed by sandwich layer, top layer and internal layer coextru-lamination, the weight percentages of components on top layer is: acrylic resin copolymer 96%-99.8%, slipping agent 0.1%-3%, antiblocking agent 0.1%-1%; The percentage by weight of sandwich layer component is: HOPP resin 99.5%-99.7%, antistatic additive 0.3%-0.5%; The weight percentages of components of internal layer is: acrylic resin copolymer 97%-99.8%, slipping agent 0.1%-2%, antiblocking agent 0.1%-1%, present invention optimizes the proportion relation of two kinds of auxiliary agents, give full play to the synergy of these two kinds of auxiliary agents, well solve in existing product and add too much slipping agent to obtain super cool sliding effect, cause the contradiction between smooth and anti-stick company, while obviously reducing film friction coefficient, ensure that the optical property of film.
Description
Technical field
The present invention relates to a kind of packaging material, particularly a kind of packing film.
Background technology
Smooth performance is the important performance indications of BOPP film.BOPP film in use, and there is certain friction between equipment, film surface can be made to grind flower and tarnish, the more important thing is, pack high speed day by day, automation, large coefficient of friction causes film running resistance to increase, also easily electrostatic is produced because of friction, film and the adhesion of equipment docile, the high wire wrapping speed of serious obstruction, good smoothness is conducive to BOPP film and improves the adaptability of packaging facilities, the smooth performance of downstream product high-speed packaging technique to film it is also proposed more and more higher requirement, the importance of smooth thin film development shows day by day.
Add slipping agent and can improve the smooth performance of BOPP film, but the phenomenon of bonding can be produced in the process of the processing of film, use and storage, therefore need add a certain amount of antiblocking agent toward contact aborning.
The smooth performance indications of BOPP film are expressed mainly through coefficient of friction, and coefficient of friction is except relevant with slipping agent, also directly related with the antiblocking agent of film.Domestic and international research shows, when slipping agent and antiblocking agent acting in conjunction, the coefficient of friction of BOPP film can be reduced to less than 0.2, but the optical property of antiblocking agent on film has impact, optical property is also one of important performance indexes of BOPP packing film, it is the guarantee of beautiful packaging effect attractive in appearance, two important Con trolling index is glossiness and mist degree (transparency), pursuit high glaze and low haze are the targets of BOPP film business research exploitation always, in actual production, the optical property of antiblocking agent to packing film has maximum destructive power.
On September 24th, 2008 publication number be 101269722 Chinese invention patent disclose a kind of super slide type biaxial tension polypropylene thin film for easy-quit package retraction tobacco, slipping agent and antiblocking agent acting in conjunction is adopted in invention, reduce the coefficient of friction of film, but do not consider the impact of auxiliary agent on Film Optics performance.
Summary of the invention
The present invention overcomes the contradiction between the smooth and anti-stick company of BOPP film in prior art, and fully take into account the impact of antiblocking agent on Film Optics performance, scientific matching slipping agent and antiblocking agent, play emphatically the synergy of slipping agent and antiblocking agent, the BOPP film of a kind of aging stability type high glaze, low haze, super cool cunning is provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of aging stability type high glaze, low haze, super cool sliding BOPP film, formed by sandwich layer, the top layer being positioned at sandwich layer both sides and internal layer coextru-lamination, the thickness on described top layer is 0.5-1.5 micron, the thickness of sandwich layer is 19-22 micron, the thickness of internal layer is 0.5-1.5 micron, and the gross thickness of shaping rear film is 20-23 micron;
Described top layer is made up of the raw material of following percentage by weight:
Acrylic resin copolymer 96%-99.8%, slipping agent 0.1%-3%, antiblocking agent 0.1%-1%;
Described sandwich layer is made up of the raw material of following percentage by weight:
HOPP resin 99.5%-99.7%, antistatic additive 0.3%-0.5%;
Described internal layer is made up of the raw material of following percentage by weight:
Acrylic resin copolymer 97%-99.8%, slipping agent 0.1%-2%, antiblocking agent 0.1%-1%.
Preferably, described top layer is made up of the raw material of following percentage by weight: acrylic resin copolymer 97.5%-99.6%, slipping agent 0.2%-2%, antiblocking agent 0.2%-0.6%.
Preferably, described internal layer is made up of the raw material of following percentage by weight: acrylic resin copolymer 94%-97%, slipping agent 0.2%-1.5%, antiblocking agent 0.2%-0.8%.
Described slipping agent is wherein one or more any proportioning mixture be selected from erucyl amide, oleamide, stearic amide, behenic acid acid amides, ethylene bis stearic acid amide, stearic acid erucyl amide, ethylene two oleamide, polyamide wax, silicone oil, silicone, stearic acid, stearyl alcohol, pentaerythritol stearate, montanin wax, Tissuemat E, polypropylene wax, paraffin or OPE.
Described antiblocking agent is any proportioning mixture wherein in one or more being selected from calcium carbonate, barium sulfate, silicate, talcum powder, synthetic silica, natural silica, synthetic resin, silica, crosslinked polymethylmethacrylaparticles, cross-linked silicone or glass microballoon.
Described antistatic additive is for being selected from monoglyceride, ethoxylated amine, methylsulfuric acid (3-lauramido) trimethyl ammonium, N-(3-alkoxyl-2-hydroxypropyl) wherein one or more any proportioning mixture in MEA, C13-C16 alkyldiethanolamine, C14-C18 alkyldiethanolamine or octadecyldiethanol amine.
The invention has the beneficial effects as follows: the top layer of BOPP film of the present invention and internal layer have employed slipping agent and use with coordinating of antiblocking agent, optimize the proportion relation of two kinds of agent, give full play to the synergy of these two kinds of agent, while obviously reducing film friction coefficient, ensure that the optical property of film, test shows, the coefficient of friction of product of the present invention is minimum reaches 0.15, far below conventional products requires 0.25, mist degree is substantially lower than 1.06, and glossiness is higher than 88.5%.
Detailed description of the invention
A kind of aging stability type high glaze, low haze, super cool sliding BOPP film, formed by sandwich layer, the top layer being positioned at sandwich layer both sides and internal layer coextru-lamination, the thickness on described top layer is 0.5-1.5 micron, the thickness of sandwich layer is 19-22 micron, the thickness of internal layer is 0.5-1.5 micron, and the gross thickness of shaping rear film is 20-23 micron.
Described top layer is made up of the raw material of following percentage by weight:
Acrylic resin copolymer 96%-99.8%, slipping agent 0.1%-3%, antiblocking agent 0.1%-1%.
Described sandwich layer is made up of the raw material of following percentage by weight:
HOPP resin 99.5%-99.7%, antistatic additive 0.3%-0.5%.
Described internal layer is made up of the raw material of following percentage by weight:
Acrylic resin copolymer 97%-99.8%, slipping agent 0.1%-2%, antiblocking agent 0.1%-1%.
The preferred ingredient on described top layer is (percentage by weight): acrylic resin copolymer 97.5%-99.6%, slipping agent 0.2%-2%, antiblocking agent 0.2%-0.6%.
The preferred ingredient of described internal layer is (percentage by weight): acrylic resin copolymer 94%-97%, slipping agent 0.2%-1.5%, antiblocking agent 0.2%-0.8%.
Described slipping agent is wherein one or more any proportioning mixture be selected from erucyl amide, oleamide, stearic amide, behenic acid acid amides, ethylene bis stearic acid amide, stearic acid erucyl amide, ethylene two oleamide, polyamide wax, silicone oil, silicone, stearic acid, stearyl alcohol, pentaerythritol stearate, montanin wax, Tissuemat E, polypropylene wax, paraffin or OPE.
Described antiblocking agent is wherein one or more any proportioning mixture be selected from calcium carbonate, barium sulfate, silicate, talcum powder, synthetic silica, natural silica, synthetic resin, silica, crosslinked polymethylmethacrylaparticles, cross-linked silicone or diameter 3-5 urn glass microballon.
Described antistatic additive is for being selected from monoglyceride, ethoxylated amine, methylsulfuric acid (3-lauramido) trimethyl ammonium, N-(3-alkoxyl-2-hydroxypropyl) wherein one or more any proportioning mixture in MEA, C13-C16 alkyldiethanolamine, C14-C18 alkyldiethanolamine or octadecyldiethanol amine.
The top layer of BOPP film of the present invention and internal layer have employed slipping agent and use with coordinating of antiblocking agent, optimize the proportion relation of two kinds of agent, give full play to the synergy of these two kinds of agent, the BOPP film be made up of the component in above-mentioned span, while obviously reducing film friction coefficient, ensure that the optical property of film.Test shows, the coefficient of friction of product of the present invention is minimum reaches 0.15, and far below conventional products requires 0.25, mist degree is substantially lower than 1.06, and glossiness is higher than 88.5%.
Embodiment:
The preparation method of this law bright BOPP film is known in those skilled in the art, and the present invention is not particularly limited.
The each layer component of Embodiment B OPP film and content weight proportion as follows:
Top layer: acrylic resin copolymer 98.1%, slipping agent 1.5%(slipping agent are the mixture of silicone, erucyl amide, Tissuemat E three kinds of materials, wherein, silicone, erucyl amide, Tissuemat E account for the weight ratio of mixture (slipping agent) is 5:6:4), antiblocking agent 0.4%(antiblocking agent is diameter 3-5 micron lucite microballon).
Sandwich layer: HOPP resin 99.6%, antistatic additive 0.4%(antistatic additive is the mixture of monoglyceride and ethoxylated amine, and wherein, the weight ratio that monoglyceride and ethoxylated amine account for mixture (antistatic additive) is 1:1).
Internal layer: acrylic resin copolymer 99.5%, slipping agent 0.2%(slipping agent are the mixture of silicone, erucyl amide, Tissuemat E three kinds of materials, wherein, silicone, erucyl amide, Tissuemat E account for the weight ratio of mixture (slipping agent) is 5:6:4), antiblocking agent 0.3%(antiblocking agent is diameter 3-5 micron lucite microballon).
The performance of BOPP film is assessed by Measuring Several Indexes, as coefficient of friction, surface gloss, mist degree etc.Following table is that the formulation product of embodiment just to roll off the production line and the index contrast of continuous one month tracking and testing.
Testing equipment:
Coefficient of friction/peeling tester, PFT-F1;
Light transmittance/mist degree analyzer, WGT-S.
Testing standard:
Optical property is with reference to GB/T2410-2008;
Coefficient of friction is with reference to GB10006-1988 (2004).
BOPP film index contrasts
Note: coefficient of friction is the coefficient of friction between film outside and metal covering.
As can be seen from the above table data, without the need to adjusting especially production technology, along with the increase of tracking and testing time, data are basicly stable, change very little, especially mist degree and glossiness, this shows that the smooth performance of product of the present invention and optical property are highly stable, well solve in existing product and add too much slipping agent to obtain super cool sliding effect, cause the contradiction between smooth and anti-stick company, and slipping agent is to the negative effect of optical property.
Claims (1)
1. an aging stability type high glaze, low haze, super cool sliding BOPP film, formed by sandwich layer, the top layer being positioned at sandwich layer both sides and internal layer coextru-lamination, it is characterized in that the thickness on described top layer is 0.5-1.5 micron, the thickness of sandwich layer is 19-22 micron, the thickness of internal layer is 0.5-1.5 micron, and the gross thickness of shaping rear film is 20-23 micron;
Described top layer is made up of the raw material of following percentage by weight:
Acrylic resin copolymer 98.1%, slipping agent 1.5%, antiblocking agent 0.4%;
Described sandwich layer is made up of the raw material of following percentage by weight:
HOPP resin 99.6%, antistatic additive 0.4%;
Described internal layer is made up of the raw material of following percentage by weight:
Acrylic resin copolymer 99.5%, slipping agent 0.2%, antiblocking agent 0.3%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310292073.8A CN103331974B (en) | 2013-07-11 | 2013-07-11 | A kind of aging stability type high glaze, low haze, super cool sliding BOPP film |
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| CN201310292073.8A CN103331974B (en) | 2013-07-11 | 2013-07-11 | A kind of aging stability type high glaze, low haze, super cool sliding BOPP film |
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| CN103331974B true CN103331974B (en) | 2016-02-24 |
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| CN103865182A (en) * | 2014-03-22 | 2014-06-18 | 中山百能思塑料科技有限公司 | High-surface tension composite type anti-blocking smooth master batch for BOPP membrane and production process of batch |
| CN105172284A (en) * | 2015-07-30 | 2015-12-23 | 中山火炬职业技术学院 | BOPP film with endurable and smoothness characteristics and preparation method therefor |
| CN105860272A (en) * | 2016-06-23 | 2016-08-17 | 河南鑫昌新材料科技股份有限公司 | Cold lamination film and preparation method thereof |
| CN108032574A (en) * | 2017-12-06 | 2018-05-15 | 广州融盛包装材料有限公司 | A kind of high glaze heat-sealing film for packaging for foodstuff and preparation method thereof |
| CN109280273B (en) * | 2018-10-29 | 2020-03-27 | 上海若祎新材料科技有限公司 | High melt strength polypropylene film compositions and films and uses thereof |
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| CN110157102B (en) * | 2019-06-24 | 2022-10-14 | 中国石油化工股份有限公司 | High-gloss rigidity-toughness balanced polypropylene composition and preparation method thereof |
| 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 |
| CN111114070A (en) * | 2019-12-31 | 2020-05-08 | 安徽金田高新材料股份有限公司 | Bright base-coating-free base film and preparation method thereof |
| CN111923538A (en) * | 2020-06-04 | 2020-11-13 | 昆山运融新材料科技有限公司 | Long-acting stable low-haze ultra-smooth BOPA film |
| CN111978865A (en) * | 2020-08-28 | 2020-11-24 | 珠海市赛日包装材料有限公司 | Smooth liquid for aluminum plastic film, preparation method of smooth liquid and aluminum plastic film |
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- 2013-07-11 CN CN201310292073.8A patent/CN103331974B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4777081A (en) * | 1984-09-19 | 1988-10-11 | Hoechst Aktiengesellschaft | Transfer metallizing film |
| EP0215400A2 (en) * | 1985-09-14 | 1987-03-25 | Hoechst Aktiengesellschaft | Closable pouch with a flap |
| CN101269722A (en) * | 2008-03-20 | 2008-09-24 | 江苏恒创包装材料有限公司 | Super-slide type biaxial tension polypropylene thin film for easy-quit package retraction tobacco |
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