CN1974206A - Prepn process of composite packing film with very high oxygen inhibition and boiling resistance - Google Patents
Prepn process of composite packing film with very high oxygen inhibition and boiling resistance Download PDFInfo
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- CN1974206A CN1974206A CN 200610155089 CN200610155089A CN1974206A CN 1974206 A CN1974206 A CN 1974206A CN 200610155089 CN200610155089 CN 200610155089 CN 200610155089 A CN200610155089 A CN 200610155089A CN 1974206 A CN1974206 A CN 1974206A
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- film
- preparation
- high oxygen
- boiling resistance
- oxygen inhibition
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000001301 oxygen Substances 0.000 title claims abstract description 49
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 49
- 238000012856 packing Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 238000009835 boiling Methods 0.000 title claims abstract description 13
- 230000005764 inhibitory process Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title description 3
- 230000008569 process Effects 0.000 title description 3
- 239000003292 glue Substances 0.000 claims abstract description 19
- 238000002360 preparation method Methods 0.000 claims abstract description 17
- -1 polyethylene Polymers 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 229920000573 polyethylene Polymers 0.000 claims abstract description 8
- 239000004743 Polypropylene Substances 0.000 claims abstract description 7
- 229920001155 polypropylene Polymers 0.000 claims abstract description 7
- 229920006284 nylon film Polymers 0.000 claims abstract 2
- 229920006267 polyester film Polymers 0.000 claims abstract 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical class C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 229920001577 copolymer Polymers 0.000 claims description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
- 238000003851 corona treatment Methods 0.000 claims description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 8
- 239000003431 cross linking reagent Substances 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 6
- 229920001519 homopolymer Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims description 4
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 229920000877 Melamine resin Polymers 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 3
- 235000011187 glycerol Nutrition 0.000 claims description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 3
- 239000011976 maleic acid Substances 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 3
- 229940117958 vinyl acetate Drugs 0.000 claims description 3
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 2
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 2
- GHUXAYLZEGLXDA-UHFFFAOYSA-N 8-azido-5-ethyl-6-phenylphenanthridin-5-ium-3-amine;bromide Chemical compound [Br-].C12=CC(N=[N+]=[N-])=CC=C2C2=CC=C(N)C=C2[N+](CC)=C1C1=CC=CC=C1 GHUXAYLZEGLXDA-UHFFFAOYSA-N 0.000 claims description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 2
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical class CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 2
- 239000001257 hydrogen Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 29
- 230000004888 barrier function Effects 0.000 description 18
- 235000013305 food Nutrition 0.000 description 13
- 239000005022 packaging material Substances 0.000 description 8
- 239000005030 aluminium foil Substances 0.000 description 6
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 5
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 206010013786 Dry skin Diseases 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 239000005033 polyvinylidene chloride Substances 0.000 description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000003251 Pruritus Diseases 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009878 intermolecular interaction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011104 metalized film Substances 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 229940117841 methacrylic acid copolymer Drugs 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Packages (AREA)
Abstract
The present invention is preparation process of composite packing film with very high oxygen inhibition and boiling resistance. The corona treated polyethylene film, polypropylene film, polyester film or nylon film as basis material is coated with one layer of high oxygen blocking glue aqua and dried to obtain the packing film with very high oxygen inhibition and boiling resistance. When the basis material is composite film, multilayer composite packing film with very high oxygen inhibition and boiling resistance may be obtained. The multilayer composite packing film has excellent obstructing performance on oxygen, nitrogen, hydrogen and CO2, low compound cost and excellent performance. The present invention makes it possible to reduce packing layer number and to make the package light and thin.
Description
Technical field
The present invention relates to flexible package fields such as food and liquid, relate in particular to a kind of preparation method of composite packing film with very high oxygen inhibition and boiling resistance.
Background technology
Along with improving constantly of people's living standard, the fresh-keeping and nutritive value of food is had higher requirement.In order to satisfy people the kind of food and the requirement of nutrition, food circulation all over the world increases, and is its corresponding, and the storage of food and shelf-life require also to have prolonged.Therefore, food processing industry has the requirement of higher barrier for the film of food casing, to guarantee the fresh taste and the quality of food.The article packing of some special industries also needs the very flexible package of high barrier, as medicine and medical supplies.Meanwhile, from the packing environmental angle, the high barrier film can effectively reduce the thickness of wrapper, helps promoting packing lightweight, thin-walled property.
For many years, development high-barrier compound package material has become a global trend.The high barrier packaging material have all obtained developing rapidly and improving from aspects such as quality, form, function, kinds, and have all obtained using widely in fields such as packaging for foodstuff, medicine packing.
Intercepting the good packaging material of steam performance can be controlled at the moisture in the food in certain scope, can keep original local flavor of food in a long time, can stop that the aqueous vapor of packaging material outside enters in the packaging bag simultaneously again effectively.Because entering of aqueous vapor, help the breeding of bacterium and add rotten (numerous food product need be preserved) of instant food under dry status, this requires packaging material also to have the performance of good obstruct steam simultaneously again in many places, can prevent effectively that airborne steam from entering in the food.
Domestic high barrier material commonly used has:
1. aluminium foil: barrier property is best, but boiling, can effectively intercept ultraviolet ray; But it is opaque, folding resistance is poor, the cost height, can not be used for heating using microwave.
" China's Dairy Industry authority " Luo Cheng professor that itches points out: UHTS milk adopts aseptic bag and Lilezhen packing mostly at present, and the compound packaging material whole nation of this paper aluminium amounted to and consumes 11,000,000,000 approximately in 2004, calculated by each packaging material 10 gram, equaled 110,000 tons.Be difficult for degraded owing to contain metal level (aluminium foil) in these packaging materials; aluminium foil in the composite domestic impotentia is again at present separated; the result causes the discarded object of the composite of the composite of paper constructed of aluminium and plastic-aluminum structure both can't recycling; can't burn again, very harmful to the protection of environment.
2. metallized film: folding resistance is better than aluminium foil, and barrier property can approach aluminium foil, can intercept ultraviolet ray, the low processing cost of aluminizing; That its weak point is is opaque, coating strength is poor (aluminium lamination easily comes off automatically after meeting water), can not be used for heating using microwave.
3. ethylene-vinyl alcohol EVA (EVOH) five-layer co-squeezing film: have excellent barrier property, have good oil resistant and organic solvent resistance, antistatic property, can regeneration, only produce CO during burning
2And H
2O is outstanding environmental protection packaging material; But when ambient humidity surpassed 50%, the rapid variation of its barrier property was so should not use separately.All very expensive because of the investment of import EVOH resin, the multi-layer co-extruded equipment of import, cause product cost very high.
4, polyvinylidene chloride (PVDC) coated film: have the performance of good blocking oxygen and obstruct steam simultaneously, coating is heat sealable, cost is lower; But this film coated needs special equipment, can not the melt pelletization regeneration, and discarded object can produce poisonous to the mankind and surrounding environment, the harmful material of hydrogen chloride, dioxin and so on when burning.
5. performances such as plating silicon oxide film and plating aluminum oxide film: the transparency is good, and resistance oxygen, resistance are wet are very outstanding, but because equipment investment is extremely expensive, process technology is very difficult in addition, so product cost is high.The present domestic production of units that also do not have, also few from the product of external import.
Summary of the invention
The invention provides a kind of preparation method of composite packing film with very high oxygen inhibition and boiling resistance.
A kind of preparation method of composite packing film with very high oxygen inhibition and boiling resistance, with a kind of in polyethylene (PE) film of sided corona treatment, polypropylene (PP) film, polyester (PET) film, nylon (PA) film is base material, apply one deck high resistant oxygen glue solution then, through 60 ℃ of-100 ℃ of temperature dryings, promptly obtain the superelevation barrier film, also can with polyolefin for example a kind of compound multilayer superelevation that obtains in polyethylene, polypropylene or the Biaxially oriented polypropylene (BOPP) intercept composite membrane.
Described high resistant oxygen glue is by the acrylic compounds of different molecular weight and homopolymers or copolymer, crosslinking agent and the solvent composition of ester class thereof, wherein in the glue gross mass: homopolymers or copolymer comprised 2%-50%, crosslinking agent accounts for 0.02%-10%, and solvent accounts for 40%-97.98%; Wherein acrylic compounds is one or both in itaconic acid, acrylic acid, methacrylic acid, PAA, maleic acid and the maleic anhydride; Esters of acrylic acid is methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate, EMA, one or both in butyl methacrylate, hydroxy-ethyl acrylate, hydroxypropyl acrylate, vinylacetate, the GMA; Used crosslinking agent is a melamine, a kind of in urea, polyvalent metal ion, AH, little molecular polylol, isocyanates and the epoxy resin; Used solvent is the water of any mass ratio and the mixture of low-molecular-weight alcohol, and wherein low-molecular-weight alcohol is ethanol, propyl alcohol, isopropyl alcohol, butanols, ethylene glycol, propane diols, butanediol, glycerine.
The homopolymers of this acrylic acid and ester class thereof or the molecular weight of copolymer are 0.5 ten thousand to 200,000;
The present invention is a solvent with water and alcohols, breaks through the rate of drying that the existing series modified high-resistant diaphragm of PVA is done multiple process, has realized high-speed and continuous; Utilize the intermolecular interaction principle, make coating have high resistance oxygen; By using crosslinking agent to make film have good moisture-proof and boiling resistance.
Adopt the high water resistant oxidation prevention layer that the multi-layer compound package film is used that is used for of preparation method's preparation of the present invention, oxygen, nitrogen, hydrogen and carbon dioxide all had outstanding barrier, its oxygen resistance is better than PVDC (polyvinylidene chloride) coated film and EVOH (ethylene-vinyl alcohol EVA) five-layer co-squeezing film, and its oxygen resistance can match in excellence or beauty with aluminium foil, glass, plating aluminum oxide film and plating silicon oxide film.The present invention simultaneously utilizes the existing dry compound machine of flexible package enterprise, coating machine, extrude equipment such as compounding machine just can realize high-resistant diaphragm production, makes when possessing high resistant water resistance oxygen, has also improved the production efficiency of composite membrane greatly.Production cost is low, superior performance; As under 80% humidity, oxygen transmission rate can reach 1cm
3/ (m
224h), portioned product is lower than 1cm
3/ (m
224h).From the packing environmental angle, the high barrier film can effectively reduce the thickness of wrapper, helps promoting packing lightweight, thin-walled property.
The specific embodiment
For a more detailed description to the present invention below in conjunction with specific embodiment, scope of the present invention is not subjected to the restriction of these embodiment, and modification and improvement that all are made on the basis of not departing from core content of the present invention all belong to the scope of protection of present invention.Scope of the present invention proposes in claims in detail.
Embodiment 1
To apply one deck high resistant oxygen glue solution through the PET of sided corona treatment, dry under 100 ℃, promptly get the high barrier film.High resistant oxygen glue solution is 20,000 30% polyacrylic acid, melamine 2%, water 50% and propyl alcohol 18% composition by molecular weight.After tested, when envionmental humidity was 0%, the transit dose of oxygen was 1.21ml/m
2Day; When envionmental humidity is 80%, the transit dose of oxygen is 2.55ml/m
2Day.
Embodiment 2
To apply one deck high resistant oxygen glue solution through the PE of sided corona treatment, dry under 60 ℃, promptly get the high barrier film.High resistant oxygen glue solution is that 0.5 ten thousand acrylic acid and maleic acid, 0.02% AH, 19.98% water and 30% ethanol are formed by the molecular weight that is 50%.After tested, when envionmental humidity was 0%, the transit dose of oxygen was 3.23ml/m
2Day; When envionmental humidity is 80%, the transit dose of oxygen is 4.05ml/m
2Day.
Embodiment 3
To apply one deck high resistant oxygen glue solution through the PP of sided corona treatment, dry under 80 ℃, promptly get the high barrier film.High resistant oxygen glue solution is that 200,000 methacrylic acid and hydroxy-ethyl acrylate copolymer, 10% epoxy resin, 50% water and 38% ethanol are formed by 2% molecular weight.When envionmental humidity was 0%, the transit dose of oxygen was 2.01ml/m
2Day; When envionmental humidity is 80%, the transit dose of oxygen is 2.22ml/m
2Day.
Embodiment 4
To apply one deck high resistant oxygen glue solution through the PA of sided corona treatment, dry under 70 ℃, promptly get the high barrier film.High resistant oxygen glue solution is that 100,000 acrylic acid and glycidyl methacrylate copolymer, 5% glycerine, 40% water and 40% ethanol are formed by 15% molecular weight.After tested, when envionmental humidity was 0%, the transit dose of oxygen was 1.41ml/m
2Day; When envionmental humidity is 80%, the transit dose of oxygen is 2.96ml/m
2Day.
Embodiment 5
To apply one deck high resistant oxygen glue solution through the PE of sided corona treatment.High resistant oxygen glue solution is that 50,000 acrylic acid and vinyl acetate co-polymer, 1% ethylene glycol, 55% water and 36% ethanol are formed by 8% molecular weight.After 80 ℃ of following dryings, again with the compound high barrier laminated film that obtains of BOPP.After tested, when envionmental humidity was 0%, the transit dose of oxygen was 3.12ml/m
2Day; When envionmental humidity is 80%, the transit dose of oxygen is 3.15ml/m
2Day.
Embodiment 6
To apply one deck high resistant oxygen glue solution through the PA of sided corona treatment.High resistant oxygen glue solution is that 100,000 acrylic acid and methacrylic acid copolymer, 3% epoxy resin, 30% water and 57% propyl alcohol are formed by 10% molecular weight.After 100 ℃ of following dryings, again with the compound high barrier laminated film that obtains of BOPP.After tested, when envionmental humidity was 0%, the transit dose of oxygen was 0.96ml/m
2Day; When envionmental humidity is 80%, the transit dose of oxygen is 0.95/m
2Day.
Claims (10)
1. the preparation method of a composite packing film with very high oxygen inhibition and boiling resistance, may further comprise the steps: will apply one deck high resistant oxygen glue through the base material of sided corona treatment, dry under 60 ℃ of-100 ℃ of temperature, promptly obtain the very high oxygen inhibition and boiling resistance film, also can be again and the compound multilayer very high oxygen inhibition and boiling resistance laminated film that obtains of polyolefin.
2. preparation method according to claim 1 is characterized in that: described base material is a kind of in polyethylene film, polypropylene film, polyester film, the nylon film.
3. preparation method according to claim 1, it is characterized in that: described high resistant oxygen glue is by homopolymers or copolymer, crosslinking agent and the solvent composition of acrylic compounds and ester class thereof, wherein in the glue gross mass: the homopolymers of acrylic compounds and ester class thereof or copolymer comprised 2%-50%, crosslinking agent accounts for 0.02%-10%, and solvent accounts for 40%-97.98%.
4. preparation method according to claim 3 is characterized in that: the homopolymers of described acrylic compounds and ester class thereof or the molecular weight of copolymer are 0.5 ten thousand to 200,000.
5. preparation method according to claim 3 is characterized in that: described acrylic compounds is one or both in itaconic acid, acrylic acid, methacrylic acid, PAA, maleic acid and the maleic anhydride.
6. preparation method according to claim 3, it is characterized in that: described esters of acrylic acid is methyl acrylate, ethyl acrylate, butyl acrylate, methyl methacrylate, EMA, one or both in butyl methacrylate, hydroxy-ethyl acrylate, hydroxypropyl acrylate, vinylacetate, the GMA.
7. preparation method according to claim 3 is characterized in that: described solvent is the mixture of water and low-molecular-weight alcohol.
8. preparation method according to claim 7 is characterized in that: described low-molecular-weight alcohol is ethanol, propyl alcohol, isopropyl alcohol, butanols, ethylene glycol, propane diols, butanediol, glycerine.
9. preparation method according to claim 3 is characterized in that: described crosslinking agent is a kind of in melamine, urea, AH, little molecular polylol, isocyanates and the epoxy resin.
10. preparation method according to claim 1 is characterized in that: described polyolefin is a kind of in polyethylene, polypropylene or the Biaxially oriented polypropylene.
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| CN103770419A (en) * | 2014-01-07 | 2014-05-07 | 无锡三帝特种高分子材料有限公司 | PE/BOPET (Polyethylene/Biaxially Oriented Poly(Ethylene Terephthalate)) composite packaging film and preparation method thereof |
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| CN108384037A (en) * | 2018-03-01 | 2018-08-10 | 苏州维洛克电子科技有限公司 | A kind of polyester film and preparation method thereof containing carbamide |
| CN109866491A (en) * | 2018-12-28 | 2019-06-11 | 新纶复合材料科技（常州）有限公司 | A kind of aluminum-plastic composite membrane with agent of low hygroscopicity nylon outer layer |
| CN110003753A (en) * | 2019-04-25 | 2019-07-12 | 哈尔滨工业大学无锡新材料研究院 | A kind of high-barrier coating and preparation method thereof for biaxially oriented polyester film |
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Assignee: Suqian Gettel Plastic Co.,Ltd. Assignor: Zhejiang University Contract record no.: 2012330000399 Denomination of invention: Prepn process of composite packing film with very high oxygen inhibition and boiling resistance Granted publication date: 20090624 License type: Exclusive License Open date: 20070606 Record date: 20120625 |
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