CN102382525A - High-resistance polymer coating fluid - Google Patents
High-resistance polymer coating fluid Download PDFInfo
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- CN102382525A CN102382525A CN2010106180813A CN201010618081A CN102382525A CN 102382525 A CN102382525 A CN 102382525A CN 2010106180813 A CN2010106180813 A CN 2010106180813A CN 201010618081 A CN201010618081 A CN 201010618081A CN 102382525 A CN102382525 A CN 102382525A
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Abstract
The invention discloses a high-resistance polymer coating fluid which is prepared from the following components of: 6-18 percent by weight of water-soluble high polymer with high hydroxyl density, 0.45-1.2 percent by weight of cross-linking agent, 0-7 percent by weight of nano size metal oxide, 0.01-2.5 percent by weight of viscosity modifier, 0.1-6 percent by weight of polymer dispersant, 0-1.3 percent by weight of coupling agent, 1-28 percent by weight of drying regulator and 40-92.44 percent by weight of water. The multi-component environment-friendly coating fluid prepared in the invention has excellent oxygen resistant performance under the condition that a thinner coating is formed and simultaneously has the advantages of simple preparation process and stable performance.
Description
Technical field
The present invention relates to the polymer-coated liquid of high-barrier of high oxygen barrier after a kind of film forming.
Background technology
In the food storing transportation, causing the factor of food spoilage a lot, wherein mainly is that food contacts the food spoilage that causes with airborne oxygen.And for liquid-food, for storage time and the shelf-lives that improves food, adopting usually has the material of high obstructing performance to pack to oxygen, and this packing will have enough water resistances to run off to prevent that content from taking place to leak simultaneously.
For water tolerance, if select non-polar polymeric material such as polyolefine for use, comprise Vilaterm, Vestolen PP 7052 etc., the progressive die of adequate thickness can provide good block-water performance; And, must adopt strong polarity for the very little oxygen of molecular diameter, and high crystallization, high fine and close material could obtain low OTR oxygen transmission rate.
There is the polymer substance of good barrier mainly to comprise polyamide (PA), polyester (PET), polyvinylidene dichloride (PVDC), Z 150PH (PVA), ethylene-vinyl alcohol (EVOH), starch (Starch) and Mierocrystalline cellulose etc. to oxygen.Wherein PVA, EVOH, PVDC are high barrier material, and these three kinds of materials respectively have significant disadvantages: EVOH that enough barriers and processibility are arranged, but cost is very high; The PVDC molecule is strong polarity, though oxygen barrier is separated wet, because decomposition temperature and fusing point are very approaching, processing difficulties can not be shaped through extrusion method.And packaging function uses up the back and is difficult to recycling, and PVDC burns and can produce a large amount of toxic gas chlorination oxygen (HCl), and its environmental-protecting performance is very poor, and in today that environmental problem is becoming increasingly acute, just matter of time is eliminated; The hydroxy density of PVA is high; The polar molecule interchain bond is tight, and percent crystallinity is very high, and nonpolar oxygen molecule is had excellent barrier property; But high-crystallinity causes processing difficulties; Processing temperature even be higher than its fusing point, though can through add starch, the glyceride type softening agent improve its processing characteristics, effect is unsatisfactory.And enterprise utilization casting method film forming is arranged, but it is thicker to have a film, and product stock is to environment strict (crossing dry film becomes fragile, and crosses wet then adhesion), complex procedures, the shortcoming high to equipment requirements.
Summary of the invention
For this reason; Technical problem to be solved by this invention is the difficult processing of existing macromolecular material as the polymer-coated liquid of high-barrier, is difficult for reclaiming; The invention provides a kind of multicomponent environment-friendly high at a distance from polymer-coated liquid for this reason; This coating fluid promptly has excellent oxygen barrier property under forming than the shallow layer situation, to have preparation technology simple for this coating fluid simultaneously, the advantage of stable performance.
For realizing above-mentioned purpose, the technical scheme that the present invention adopted is:
The polymer-coated liquid of a kind of high-barrier comprises following component:
Water-soluble high hydroxy density high molecular polymer 6-18wt%;
Nano-metal-oxide 0-7wt%;
Silane coupling agent 0-1.3wt%;
Viscosity modifier 0.01-2.5wt%;
Macromolecule dispersing agent 0.1-6wt%;
Linking agent 0.45-1.2wt%;
Drying regulator 1-28wt%;
With water 40-92.44wt%.
Preferably, the polymer-coated liquid of said high-barrier comprises following component:
Water-soluble high hydroxy density high molecular polymer 8-14wt%;
Nano-metal-oxide 2-5wt%;
Silane coupling agent 0.5-0.9wt%;
Viscosity modifier 0.8-1.6wt%;
Macromolecule dispersing agent 3-4.5wt%;
Linking agent 0.7-0.9wt%;
Drying regulator 8-17wt%;
With water 18-80wt%.
Described water-soluble high hydroxy density polymkeric substance is a kind of in Z 150PH (PVOH), starch and treated starch, Mierocrystalline cellulose and the verivate thereof or several kinds mixture wherein.Be preferably Z 150PH, the molecular weight of said Z 150PH is 12000-75000, and alcoholysis degree is 85-99.5%wt.
Said nano-metal-oxide is a nano silicon, nano aluminium oxide is a kind of or its mixture, and preferred surface is long-pending to be 175-230m
2The nano silicon of/g.
Said silane coupling agent contains amino or allyl group.
Said viscosity modifier is the low molecular weight carboxylic acid, is preferably a kind of in formic acid, acetate, the propionic acid or several kinds mixture wherein.
Described macromolecule dispersing agent is the anionic polyelectrolyte macromolecule dispersing agent, is preferably ROHM or polymethyl acrylic acid, and molecular weight ranges is 5,000-1, and 220,000, the molecular weight of said polymethyl acrylic acid is preferably 5,000-200,000.
Said linking agent is boric acid and boratory mixture, and preferably, said linking agent is the mixture of boric acid and sodium tetraborate, and the part by weight between said sodium tetraborate and the boric acid is 1: 1-1: 3.
Said drying regulator is a kind of in methyl alcohol, ethanol, Virahol, sec-butyl alcohol, the isopropylcarbinol or several kinds mixture wherein.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is:
(1) water-soluble high hydroxy density high molecular polymer is added in 92-100 ℃ the portion water, stirs, obtain the solution (being called A solution) of water-soluble high hydroxy density high molecular polymer, and be cooled to 30-40 ℃ subsequent use;
(2) nano-metal-oxide, viscosity modifier, macromolecule dispersing agent, coupling agent are added in the portion water, stir and obtain transparent and homogeneous dispersion liquid (being called the B dispersion liquid);
(3) the B dispersion liquid of the A solution of step (1) preparation and step (2) preparation is mixed after, add water, drying regulator and the linking agent of surplus more successively, 50-500rpm stirs 30-60min, the filtration of 200-400 order Stainless Steel Filter promptly gets the high barrier coating fluid.
Preferably, the preparation method of the polymer-coated liquid of described high-barrier is:
(1) water-soluble high hydroxy density high molecular polymer is added in 92-100 ℃ the portion water, stirs, obtain the solution (being called A solution) of water-soluble high hydroxy density high molecular polymer, and be cooled to 30-40 ℃ subsequent use;
(2) nano-metal-oxide, part viscosity modifier, macromolecule dispersing agent, coupling agent are added in the portion water; Filter with 100-400 order strainer after stirring 30-60min under the stirring velocity 4000-8000rpm condition, obtain transparent and homogeneous dispersion liquid (being called the B dispersion liquid);
(3) after the B dispersion liquid mixing with the A solution of step (1) preparation and step (2) preparation; Add the water of surplus, viscosity modifier, drying regulator and the linking agent of surplus more successively; 50-500rpm stirs 30-60min, and 200-400 order Stainless Steel Filter filters and promptly gets the high barrier coating fluid.
Further preferably,, the preparation method of the polymer-coated liquid of described high-barrier is:
(1) water-soluble high hydroxy density high molecular polymer is added in 92-100 ℃ the portion water, stirs, obtain the solution (being called A solution) of water-soluble high hydroxy density high molecular polymer, and be cooled to 30-40 ℃ subsequent use;
(2) nano-metal-oxide, part viscosity modifier, macromolecule dispersing agent, coupling agent, part siccative are added in the portion water; Filter with 100-400 order strainer after stirring 30-60min under the stirring velocity 4000-8000rpm condition, obtain transparent and homogeneous dispersion liquid (being called the B dispersion liquid);
(3) after the B dispersion liquid mixing with the A solution of step (1) preparation and step (2) preparation; Add the water of surplus, viscosity modifier, surplus drying regulator and the linking agent of surplus more successively; 50-500rpm stirs 30-60min, and 200-400 order Stainless Steel Filter filters and promptly gets the high barrier coating fluid.
Compare prior art, beneficial effect of the present invention is:
The polymer-coated liquid of high-barrier of the present invention is to be prepared from water-soluble high hydroxy density high molecular polymer, nano-metal-oxide, silane coupling agent, viscosity modifier, macromolecule dispersing agent, linking agent, drying regulator and water, and selectable material of each composition and shared ratio have passed through that performing creative labour obtains.In addition, the material that each component in the polymer-coated liquid of high-barrier of the present invention is selected for use is ep-type material, and is preferably the mode that adopts substep to add the part component.The experiment proof adopts the polymer-coated liquid of high-barrier of method preparation of the present invention to be coated on biaxial stretching polyester (BOPET) surface, and coated weight is merely 1.2g/m
2, the highest 2.20cc/day.m that is merely of the percent of pass of oxygen
2So when adopting the polymer-coated liquid of high-barrier of the present invention to apply, formed coating has excellent oxygen-barrier property under the less amount of being coated with, therefore be applicable to the preparation of high oxygen barrier material.
In addition; The preparation method of the polymer-coated liquid of described high-barrier is dissolved in high molecular polymer in the water, compares with required processing modes of other macromolecular materials such as existing extrusion mouldings, and its preparation method is simple; Simple to equipment requirements, reduced tooling cost.
Embodiment
Embodiment 1
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 18wt%, its molecular weight are 13200, alcoholysis degree is 88wt%;
Nano silicon 1wt%, specific surface area is 200m
2/ g;
Silane coupling agent KH-570 0.1%wt;
Acetate 0.32wt%;
ROHM 0.32wt%, its molecular weight 5000;
Linking agent 1.2wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 1;
Ethanol 5wt%;
Water 74.06wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is:
(1) be 13200 with 25 parts of molecular weight, alcoholysis degree is that the PVOH of 88%wt adds in 75 parts 92 ℃ the water, and 500rpm stirs insulated and stirred 40min, A solution, be cooled to 30 ℃ subsequent use.
(2) be 200m with 25 parts of specific surface areas
2/ g silicon-dioxide, 2.5 parts of KH-570,3.5 parts of acetate, 8 part of 5000 molecular weight polyacrylic acid add in 61 parts of water, and stirring velocity 6000rpm filters with 200 order strainers after stirring 40min, obtains the translucent silica dispersions of homogeneous, is called the B dispersion liquid;
(3) get 72 parts of A solution, 4 parts of B dispersion liquids mixing stirrings; Add 17.62 parts water, 0.18 part of viscosity modifier acetate, 5 parts of ethanol and 1.2 parts of linking agent (boric acid: Sodium Tetraborate weight ratio=1: 1) successively; 100rpm stirs 35min, and 400 order Stainless Steel Filters filter and promptly get the high barrier coating fluid.
With above-mentioned coating fluid according to 1.2g/m
2Dry pickup be coated on the 12umBOPET surface of surface tension 52 dyne, adopts 70 ℃ of warm air dryings, measure the OTR oxygen transmission rate of coating fluid formation coating, test result is seen table 1.
Embodiment 2
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 10.5wt%, its molecular weight 75000, alcoholysis degree 99%wt;
Nano silicon 3.6wt%, specific surface area is 200m2/g;
Silane coupling agent KH-570 0.05%wt;
Acetate 1.325wt%;
Polymethyl acrylic acid 1.2wt%, its molecular weight 5000;
Linking agent 0.45wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 1;
Virahol 8wt%;
Water 74.875wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is:
(1) be 75000 with 20 parts of molecular weight, alcoholysis degree is that the PVOH of 99%wt adds in 80 parts 92 ℃ the water, and 800rpm stirs insulated and stirred 40min, A solution, be cooled to 30 ℃ subsequent use;
(2) be 200m with 24 parts of specific surface areas
2/ g silicon-dioxide, 0.2 part of KH-570,0.5 part of acetate, 8 part of 5000 molecular weight polyisoprene methylacrylic acid add in 67.3 parts of water; Stirring velocity 7000rpm filters with 200 order strainers after stirring 60min; Obtain the translucent silica dispersions of homogeneous, be called the B dispersion liquid;
(3) get 52.5 parts of A solution, 15 parts of B dispersion liquids mixing stirrings; Add 22.8 parts water, 1.25 parts of viscosity modifier acetate, 8 parts of Virahols and 0.45 part of linking agent (boric acid: Sodium Tetraborate weight ratio=1: 1) successively; 150rpm stirs 40min, and 400 order Stainless Steel Filters filter and promptly get the high barrier coating fluid.
With above-mentioned coating fluid according to 1.2g/m
2Dry pickup be coated on the 12umBOPET surface of surface tension 52 dyne, adopts 70 ℃ of warm air dryings, measure the OTR oxygen transmission rate of coating fluid formation coating, test result is seen table 1.
Embodiment 3
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 10wt%, its molecular weight 75000, alcoholysis degree 99%wt;
Nano aluminium oxide 7wt%, specific surface area is 200m
2/ g;
Acetate 1.18wt%;
Polymethyl acrylic acid 0.168wt%, its molecular weight 5000;
Linking agent 0.5wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 3;
Virahol 11.72wt%;
Water 69.432wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is:
(1) be 75000 with 20 parts of molecular weight, alcoholysis degree is that the PVOH of 99%wt adds in 80 parts 95 ℃ the water, and 800rpm stirs insulated and stirred 40min, A solution, be cooled to 30 ℃ subsequent use;
(2) be 200m with 25 parts of specific surface areas
2/ g aluminum oxide, 3.5 parts of acetate, 0.6 part of 10000 molecular weight polyisoprene methylacrylic acid add in 46.9 parts of water; After stirring 40min, filter 24 parts of Virahol stirring velocity 5000rpm with 200 order strainers; Obtain the translucent silica dispersions of homogeneous, be called the B dispersion liquid;
(3) get 50 parts of A solution, 28 parts of B dispersion liquids mixing stirrings; Add 16.3 parts water, 0.2 part of viscosity modifier acetate, 5 parts of Virahols and 0.5 part of linking agent (boric acid: Sodium Tetraborate weight ratio=1: 3) successively; 150rpm stirs 40min, and 400 order Stainless Steel Filters filter and promptly get the high barrier coating fluid.
With above-mentioned coating fluid according to 1.2g/m
2Dry pickup be coated on the 12umBOPET surface of surface tension 52 dyne, adopts 70 ℃ of warm air dryings, measure the OTR oxygen transmission rate of coating fluid formation coating, test result is seen table 1.
Embodiment 4
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 6wt%, its molecular weight 44000, alcoholysis degree 88%wt;
Nano silicon 2wt%, specific surface area is 200m
2/ g;
Acetate 1.1wt%;
ROHM 1.2wt%, its molecular weight 5000;
Linking agent 0.8wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 1;
Virahol 6wt%;
Water 80.9wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is:
(1) be 44000 with 20 parts of molecular weight, alcoholysis degree is that the PVOH of 88%wt adds in 80 parts 95 ℃ the water, and 700rpm stirs insulated and stirred 40min, A solution, be cooled to 30 ℃ subsequent use;
(2) be 200m with 20 parts of specific surface areas
2/ g silicon-dioxide, 0.5 part of acetate, 0.6 part of 5000 molecular weight polyacrylic acid add in 68.5 parts of water, and 5 parts of Virahol stirring velocity 6500rpm filter with 200 order strainers after stirring 40min, obtain the translucent silica dispersions of homogeneous, are called the B dispersion liquid;
(3) get 30 parts of A solution, 20 parts of B dispersion liquids mixing stirrings; Add 43.2 parts water, 1 part of viscosity modifier acetate, 5 parts of Virahols and 0.8 part of linking agent (boric acid: Sodium Tetraborate weight ratio=1: 1) successively; 150rpm stirs 40min, and 400 order Stainless Steel Filters filter and promptly get the high barrier coating fluid.
With above-mentioned coating fluid according to 1.2g/m
2Dry pickup be coated on the 12umBOPET surface of surface tension 52 dyne, adopts 70 ℃ of warm air dryings, measure the OTR oxygen transmission rate of coating fluid formation coating, test result is seen table 1.
Table 1 oxygen permeability test data table (oxygen transmission rate adopts the GB/T19789-2005 standard to test)
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| The quantitative g/m2 of coating) | 1.2 | 1.2 | 1.2 | 1.2 |
| Oxygen permeating amount (cc/ (day.m2)) | 2.20 | 0.65 | 1.24 | 1.84 |
Can find out that through above data under the less amount of being coated with, the coating that this dry back of coating fluid coating forms has superior oxygen-barrier property, this coating fluid can be used for the preparation of high oxygen barrier material.And preparation technology is simple for this coating fluid, environmental protection, and the barrier layer cost is low.
Embodiment 5
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 12wt%, its molecular weight 12000, alcoholysis degree 99.5%wt;
Nano silicon 4wt%, specific surface area is 175m
2/ g;
Silane coupling agent KH-570 1.3%wt;
Formic acid 0.01wt%;
ROHM 6wt%, its molecular weight 20000;
Linking agent 0.6wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 3;
Sec-butyl alcohol 28wt%;
Water 49.09wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is with embodiment 4, and wherein step (1) is that PVOH is added in 100 ℃ the water, and 1000rpm stirs insulated and stirred 30min, A solution, be cooled to 40 ℃ subsequent use;
Step (2) is that silicon-dioxide, silane coupling agent, formic acid, ROHM are added in the entry, and stirring velocity 4000rpm filters with 100 order strainers after stirring 60min, obtains the translucent silica dispersions of homogeneous, is called the B dispersion liquid;
Step (3) is got A solution, the B dispersion liquid mixes stirring, and stir speed (S.S.) 500rpm stirs 30min, and 200 order Stainless Steel Filters filter and promptly get the high barrier coating fluid.
With above-mentioned coating fluid according to 1.2g/m
2Dry pickup be coated on the 12umBOPET surface of surface tension 52 dyne, adopts 70 ℃ of warm air dryings, measure the OTR oxygen transmission rate of coating fluid formation coating.
Embodiment 6
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 15wt%, its molecular weight 30000, alcoholysis degree 85%wt;
Nano silicon 5wt%, specific surface area is 230m
2/ g;
Silane coupling agent KH-570 1%wt;
Propionic acid 2.5wt%;
ROHM 0.1wt%, its molecular weight 1220000;
Linking agent 1.0wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 3;
Isopropylcarbinol 1.0wt%;
Water 74.4wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is with embodiment 3, and wherein step (1) is that PVOH is added in 96 ℃ the water, and 300rpm stirs insulated and stirred 60min, A solution, be cooled to 35 ℃ subsequent use;
Step (2) is that silicon-dioxide, propionic acid, ROHM are added in the entry, and stirring velocity 8000rpm filters with 400 order strainers after stirring 30min, obtains the translucent silica dispersions of homogeneous, is called the B dispersion liquid;
Step (3) is got A solution, the B dispersion liquid mixes stirring, and stir speed (S.S.) 50rpm stirs 60min, and 300 order Stainless Steel Filters filter and promptly get the high barrier coating fluid.
Embodiment 7
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 18wt%, its molecular weight 30000, alcoholysis degree 85%wt;
Nano silicon 7wt%, specific surface area is 230m2/g;
Silane coupling agent KH-570 1.3%wt;
Propionic acid 2.5wt%;
ROHM 4wt%, its molecular weight 1220000;
Linking agent 1.2wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 2;
Isopropylcarbinol 26wt%;
Water 40wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is with embodiment 1.
Embodiment 8
The polymer-coated liquid of high-barrier comprises following component:
Z 150PH PVOH 6wt%, its molecular weight 30000, alcoholysis degree 85%wt;
Propionic acid 0.06wt%;
Linking agent 0.5wt%, said linking agent are the mixture of boric acid and Sodium Tetraborate, and its weight part ratio is 1: 2;
Isopropylcarbinol 1wt%;
Water 92.44wt%.
The preparation method of the polymer-coated liquid of above-mentioned high-barrier is with embodiment 2.
A kind of in Z 150PH PVOH available starches among the embodiment and treated starch, Mierocrystalline cellulose and the verivate thereof or wherein several kinds mixture replace, utilize method that such macromolecular material prepares the polymer-coated liquid of high-barrier respectively with the method among the embodiment 1-8.
Above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineering technical personnel in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (16)
1. the polymer-coated liquid of high-barrier is characterized in that, the polymer-coated liquid of said high-barrier comprises following component:
Water-soluble high hydroxy density high molecular polymer 6-18wt%;
Nano-metal-oxide 0-7wt%;
Silane coupling agent 0-1.3wt%;
Viscosity modifier 0.01-2.5wt%;
Macromolecule dispersing agent 0.1-6wt%;
Linking agent 0.45-1.2wt%;
Drying regulator 1-28wt%;
With water 40-92.44wt%.
2. the polymer-coated liquid of high-barrier according to claim 1 is characterized in that, the polymer-coated liquid of said high-barrier comprises following component:
Water-soluble high hydroxy density high molecular polymer 8-14wt%;
Nano-metal-oxide 2-5wt%;
Silane coupling agent 0.5-0.9wt%;
Viscosity modifier 0.8-1.6wt%;
Macromolecule dispersing agent 3-4.5wt%;
Linking agent 0.7-0.9wt%;
Drying regulator 8-17wt%;
With water 18-80wt%.
3. the polymer-coated liquid of high-barrier according to claim 1 and 2; It is characterized in that described water-soluble high hydroxy density polymkeric substance is a kind of in Z 150PH (PVOH), starch and treated starch, Mierocrystalline cellulose and the verivate thereof or several kinds mixture wherein.
4. the polymer-coated liquid of high-barrier according to claim 3 is characterized in that the molecular weight of said Z 150PH is 12000-75000, and alcoholysis degree is 85-99.5%wt.
5. require the polymer-coated liquid of 1 or 2 described high-barrier according to the claim profit, it is characterized in that, said nano-metal-oxide is a nano silicon, nano aluminium oxide is a kind of or its mixture.
6. the polymer-coated liquid of high-barrier according to claim 5 is characterized in that said nano silicon, specific surface area 175-230m
2/ g.
7. the polymer-coated liquid of high-barrier according to claim 1 and 2 is characterized in that said silane coupling agent contains amino or allyl group.
8. the polymer-coated liquid of high-barrier according to claim 1 and 2 is characterized in that said viscosity modifier is the low molecular weight carboxylic acid.
9. the polymer-coated liquid of high-barrier according to claim 8 is characterized in that, said low molecular weight carboxylic acid is a kind of in formic acid, acetate, the propionic acid or several kinds mixture wherein.
10. the polymer-coated liquid of high-barrier according to claim 1 and 2 is characterized in that described macromolecule dispersing agent is the anionic polyelectrolyte macromolecule dispersing agent.
11. the polymer-coated liquid of high-barrier according to claim 10 is characterized in that, described anionic polyelectrolyte macromolecule dispersing agent is ROHM or polymethyl acrylic acid, and molecular weight ranges is 5,000-1,220,000.
12. the polymer-coated liquid of high-barrier according to claim 11 is characterized in that, the molecular weight of said polymethyl acrylic acid is 5,000-200,000.
13. the polymer-coated liquid of high-barrier according to claim 1 and 2 is characterized in that, said linking agent is the mixture of borate and boric acid.
14. the polymer-coated liquid of high-barrier according to claim 13 is characterized in that,
Said linking agent is the mixture of boric acid and sodium tetraborate.
15. the polymer-coated liquid of high-barrier according to claim 14 is characterized in that, the part by weight between said boric acid and the sodium tetraborate is 1: 1-1: 3.
16. the polymer-coated liquid of high-barrier according to claim 1 and 2 is characterized in that, said drying regulator is a kind of in methyl alcohol, ethanol, Virahol, sec-butyl alcohol, the isopropylcarbinol or several kinds mixture wherein.
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| CN103508074A (en) * | 2012-06-26 | 2014-01-15 | 层层包装事业股份有限公司 | Food packing materials |
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| CN104341883A (en) * | 2013-07-27 | 2015-02-11 | 安徽顺彤包装材料有限公司 | Coating liquid possessing waterproof effect |
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| CN109749539A (en) * | 2019-01-24 | 2019-05-14 | 上海海洋大学 | A kind of high-barrier functionality PVA coating fluid and its preparation method and application |
| CN110641118A (en) * | 2019-10-17 | 2020-01-03 | 厦门长塑实业有限公司 | High-barrier scratch-resistant biaxially oriented polyamide film and preparation method thereof |
| CN110641118B (en) * | 2019-10-17 | 2021-07-27 | 厦门长塑实业有限公司 | High-barrier scratch-resistant biaxially oriented polyamide film and preparation method thereof |
| WO2022131266A1 (en) * | 2020-12-18 | 2022-06-23 | 東洋紡株式会社 | Laminated film and packaging material |
| CN114196280A (en) * | 2021-12-21 | 2022-03-18 | 无锡海特新材料研究院有限公司 | Acrylate coating for improving oxygen barrier property of PET (polyethylene terephthalate) film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102888158A (en) | 2013-01-23 |
| CN102888158B (en) | 2015-02-18 |
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