CN104404819A - Multifunctional paint used for outer package of wine box and preparation method thereof - Google Patents
Multifunctional paint used for outer package of wine box and preparation method thereof Download PDFInfo
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- CN104404819A CN104404819A CN201410508616.XA CN201410508616A CN104404819A CN 104404819 A CN104404819 A CN 104404819A CN 201410508616 A CN201410508616 A CN 201410508616A CN 104404819 A CN104404819 A CN 104404819A
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Abstract
The invention provides a multifunctional paint used for outer package of wine box and a preparation method thereof. The multifunctional paint comprises the following components by weight: 10-30 parts of functional acrylic resin, 5-8 parts of keto-aldehyde resin, 2-10 parts of cellulose acetate butyrate resin with low molecular weight, 0.1-1 part of auxiliary agent and 60-80 parts of organic solvent. According to the invention, the acrylic resin containing a functional group is matched with keto-aldehyde resin, cellulose acetate butyrate resin with low molecular weight is combined, so that the paint has the advantages of good adhesion fastness, bright moulding rainbow effect and good printing adaptability.
Description
Technical field
The present invention relates to a kind of multifunctional coating for wine box package and preparation method thereof.
Background technology
Vacuum aluminum-coated overlay film paperboard is a kind of environment-friendly and green packaging material, and due to metal-like, the reliable and stable printing performance of its elegance attractive in appearance, superpower air barrier effect, is subject to liking of people more and more.And its price is than aluminium foil overlay film paperboard cheap about 10%, therefore this product has the very strong market competitiveness.The mid-90, vacuum aluminum-coated overlay film paperboard technology starts the wine box package market entering the medium-to-high grade drinks of China, and progressively replace the housing materials such as traditional aluminium foil overlay film paperboard, become the favorite that China's packaging industry is new, market prospects are very optimistic.
The existing vacuum aluminum-coated overlay film paperboard for wine box package field mainly does base material with OPP film, after moulding press mold pressing, obtain the OPP laser film with rainbow effect, again through vacuum aluminum-coated, obtained OPP vacuum plated aluminum film, rear OPP face is coated with one deck composite glue, fit together with paperboard again, just make and vacuum aluminum-coatedly cover OPP film paperboard, on aluminium surface layer, various ink is printed below according to the different demands of client, again according to the feature of different wine box, enter follow-up processing box technological process.Because OPP film quality is soft, stretcher strain is large, and heatproof is low, the poor heat stability under heating pressurized conditions, film is caused to be out of shape serious, mold pressing luminance difference, and along with the prolongation of standing time, rainbow effect is thin out gradually, can disappear completely time serious, these all cause the of low quality of product, store risk comparatively large, seriously constrain the development of high-grade wine box external packing by vacuum aluminum-coated overlay film paperboard.
For these problems, start on the market to have occurred to substitute with vacuum aluminum-coated coated with PET film paperboard existingly to cover the trend of OPP film paperboard for high-grade wine box external packing field, but the research and development of supporting PET film multifunctional coating are not also caught up with, under this opportunity, develop a kind of multifunctional coating in the PET overlay film paperboard in high-grade wine box external packing field and cater to the market demand, just become particularly urgent.
The object of the present invention is to provide a kind of multifunctional coating for the preparation of the vacuum aluminum-coated coated with PET film paperboard of wine box package.The present invention utilizes acrylic resin and aldehyde ketone resin containing functional groups to arrange in pairs or groups, then spells into low-molecular-weight acetylbutyrylcellulose resin, and acquisition attachment fastness is good, and mold pressing rainbow effect is beautiful, the coating that printing adaptability is good.
Summary of the invention
For defect of the prior art, the object of this invention is to provide a kind of multifunctional coating for wine box package and preparation method thereof.
The present invention is achieved by the following technical solutions:
First aspect, the invention provides a kind of multifunctional coating for wine box package, and this coating comprises following component and parts by weight:
Preferably, described acrylate-functional resin is one or both the mixture in the acrylic resin of hydroxyl or the acrylic resin of simultaneously hydroxyl and carboxyl; The glass temperature range of described acrylate-functional resin is 40 ~ 120 DEG C, and molecular weight ranges is 2 ~ 120,000.
Preferably, described aldehyde ketone resin is unmodified aldehyde ketone resin, and containing carbonyl in its molecular structure, end group is hydroxyl; The hydroxyl value scope of described aldehyde ketone resin is 10 ~ 320mgKOH/g, and vitrification point is 30 ~ 100 DEG C, and molecular weight is 300 ~ 30,000,000.
Preferably, described low-molecular-weight acetylbutyrylcellulose resin specifically refers to hydroxyl cellulose ester resin formed by acetic acid and the common esterification of butyric acid in cellulosic molecule; The vitrification point of described low-molecular-weight acetylbutyrylcellulose resin is 80 ~ 140 DEG C, molecular weight ranges 1.2 ~ 30,000.
Preferably, described auxiliary agent comprises one or more in levelling agent, wetting agent, adhesion promoter, promoter.
Preferably, described levelling agent comprises one or more in organic silicon modified by polyether oxygen alkane, alkyl-modified organosiloxane, polyester resin change properties of organic silicon oxygen alkane.
Preferably, described wetting agent comprises one or both in polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether.
Preferably, described adhesion promoter comprise epoxy radicals silicone hydride compound, amino containing silane compound, chloridized polyolefin acrylic resin modified in one or more.
Preferably, described promoter is one or both in p-methyl benzenesulfonic acid amine salt, dibutyl tin laurate.
Preferably, described solvent comprises two or more in ethyl acetate, isopropyl alcohol, n-propyl acetate, propylene glycol monomethyl ether, n-butyl acetate.
Second aspect, the invention provides a kind of preparation method of the multifunctional coating for wine box package, comprises the following steps:
A, to get the raw materials ready by described component and parts by weight;
B, be placed in reactor by described solvent, under 80rpm rotating speed, stir 30 ~ 60min, be warming up to 50 ~ 70 DEG C and mix;
C, functional acrylic resin, aldehyde ketone resin collocation and low-molecular-weight acetylbutyrylcellulose resin being dropped in reactor, under 80 ~ 250rpm rotating speed, stirring 2 ~ 6h, to dissolving completely;
D, auxiliary agent being added in reactor, under 80 ~ 150rpm rotating speed, stirring 20 ~ 40min to being uniformly dispersed, filter and obtain the described multifunctional coating for wine box package.
Compared with prior art, the present invention has following beneficial effect:
(1) because acrylic resin and the aldehyde ketone resin of the utilization in the present invention containing functional groups arrange in pairs or groupss, then spell into low-molecular-weight acetylbutyrylcellulose resin, the attachment fastness of acquisition excellence, high with the matching degree of PET basement membrane, Technological adaptability is wide;
(2) usedly relatively on the market vacuum aluminum-coatedly cover OPP membrane process, coated with PET film coating can ensure to heat the heat endurance under pressurized conditions, and product had both had a beautiful outward appearance of color, had again high-end false proof effect concurrently;
(3) printing adaptability is good: due to traditional OPP coating technique, cause product surface tension force low, rear road printing difficulty, the multifunctional coating formula of this kind of wine box package forms by containing multiple functional group modification resin, can guarantee all have excellent attachment fastness with main two large universaling packing mode of printing offset printings on market and gravure ink.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
embodiment 1
The present embodiment relates to a kind of preparation for wine box package multifunctional coating, comprises the following steps:
A. raw material is prepared according to the component shown in table 1 and parts by weight:
B. described solvent is placed in reactor, opens agitating device, stir 30min under 80rpm rotating speed, and be warming up to 50 DEG C;
C. resin Composition (acrylate-functional resin, aldehyde ketone resin and low-molecular-weight acetylbutyrylcellulose resin) is dropped into reactor, control stir speed (S.S.) is 80rpm, stirs 2h, makes resin Composition dissolve fully;
D. after resin Composition dissolves completely, dropped into by auxiliary agent in reactor, control stir speed (S.S.) is 80rpm, stirs 20min and is fully uniformly dispersed to auxiliary agent, filter and obtain final products.
In the present embodiment, described functional polyacrylate is the acrylic resin of hydroxyl, and its vitrification point is 40 DEG C, and molecular weight is 2 ~ 3.5 ten thousand; Described aldehyde ketone resin hydroxyl value is 10mgKOH/g, vitrification point 100 DEG C, and molecular weight is 300 ~ 600; The vitrification point of described low molecular weight acetylbutyrylcellulose resin is 140 DEG C, and molecular weight is 1.2 ~ 1.6 ten thousand.
In the present embodiment 1, functional coating is because of the aldehyde ketone resin containing high number, coordinate the acetylbutyrylcellulose resin of high glass transition temperature, make coating obtain excellent attachment fastness and heat endurance while ensureing good mold pressing rainbow effect, the little quality of product deformation is high, and printing adaptability is good.
embodiment 2
The present embodiment the preparation for wine box package multifunctional coating with embodiment 1, institute's difference is: in step B, the stirring solvent time is 40min, is warming up to 60 DEG C, and in step C, stir speed (S.S.) is 200rpm, and mixing time is 5h; In step D, stir speed (S.S.) is 120rpm, and mixing time is 30min.
In the present embodiment, described functional polyacrylate is the functional acrylic resin of hydroxyl and carboxyl simultaneously, and its vitrification point is 80 DEG C, and molecular weight is 3.5 ~ 5.2 ten thousand; Described aldehyde ketone resin hydroxyl value is 90mgKOH/g, vitrification point 60 DEG C, and molecular weight is 600 ~ 1000; The vitrification point of described low molecular weight acetylbutyrylcellulose resin is 80 DEG C, and molecular weight is 1.6 ~ 1.9 ten thousand.
In the present embodiment 2, functional coating is because of the acrylic resin of the hydroxyl containing high number and carboxyl, and at guarantee product stability simultaneously, have excellent in attachment fastness that is vacuum aluminum-coated interlayer, the brightness of mold pressing rainbow is better, printing adaptability is wide.
embodiment 3
The preparation for wine box package multifunctional coating of the present embodiment is with embodiment 1, and institute's difference is: in step B, the stirring solvent time is 60min, is warming up to 70 DEG C, and in step C, stir speed (S.S.) is 250rpm, and mixing time is 6h; In step D, stir speed (S.S.) is 150rpm, and mixing time is 40min.
In the present embodiment, described functional polyacrylate is the acrylic resin of hydroxyl, and its vitrification point is 100 DEG C, and molecular weight is 5.2 ~ 70,000; Described aldehyde ketone resin hydroxyl value is 250mgKOH/g, vitrification point 30 DEG C, and molecular weight is 1000 ~ 1600; The vitrification point of described low molecular weight acetylbutyrylcellulose resin is 140 DEG C, and molecular weight is 1.9 ~ 2.3 ten thousand.
In the present embodiment 3, functional coating is because of containing more functional acrylic resin, while ensure that excellent adhesion fastness after coordinating the aldehyde ketone resin of high hydroxyl value again, have better mold pressing rainbow effect, have excellent in attachment fastness that is vacuum aluminum-coated interlayer, printing adaptability is wide simultaneously.
embodiment 4
The present embodiment the preparation for wine box package multifunctional coating with embodiment 1, institute's difference is: in step B, the stirring solvent time is 60min, is warming up to 50 DEG C, and in step C, stir speed (S.S.) is 150rpm, and mixing time is 4h; In step D, stir speed (S.S.) is 100rpm, and mixing time is 30min.
In the present embodiment, the glass temperature of described functional polyacrylate is 60 DEG C, and molecular weight is 7 ~ 90,000; Described aldehyde ketone resin hydroxyl value is 320mgKOH/g, vitrification point 50 DEG C, and molecular weight is 1600 ~ 2100; The vitrification point of described low molecular weight acetylbutyrylcellulose resin is 100 DEG C, and molecular weight is 2.3 ~ 2.5 ten thousand.
In the present embodiment 4, functional coating is because of the low molecular weight acetylbutyrylcellulose resin of the aldehyde ketone resin containing high hydroxyl value and higher number, and ensureing coating solvents release property good while, have excellent mold pressing effect, good attachment fastness, printing adaptability is good.
embodiment 5
The present embodiment the preparation for wine box package multifunctional coating with embodiment 1, institute's difference is: in step B, the stirring solvent time is 50min, is warming up to 60 DEG C, and in step C, stir speed (S.S.) is 150rpm, and mixing time is 6h; In step D, stir speed (S.S.) is 120rpm, and mixing time is 20min.
In the present embodiment, the vitrification point of described functional polyacrylate is 40 DEG C, and molecular weight is 9 ~ 120,000; Described aldehyde ketone resin hydroxyl value is 190mgKOH/g, vitrification point 60 DEG C, and molecular weight is 2100 ~ 3000; The vitrification point of described low molecular weight acetylbutyrylcellulose resin is 80 DEG C, and molecular weight is 2.5 ~ 3.0 ten thousand.
In the present embodiment 5 functional coating because of the glass transition temperature of integral formulation relatively low, coating is softer, and therefore molding temperature is lower, and be applicable to the low temperature mould pressing process of some special wine box package product, mold pressing rainbow effect is better, and printing adaptability is good.
comparative example 1
The preparation of this comparative example coating is with embodiment 1, in this comparative example, because contained functional polyacrylate number is too high, add that the number of celluosic resin is too low, cause the solvent release of coating entirety too poor, coating is easily dried saturating, and when causing mold pressing, coating adheres to the problem in nickel version, mold pressing cannot go on, and production is more difficult.
comparative example 2
The preparation of this comparative example coating is with embodiment 2, in this comparative example, because contained functional polyacrylate number is too low, add that amount of auxiliary is too high, cause the intensity of coating entirety general, product stability is poor, and auxiliary agent blocks the problem of nickel version grating when easily there is mold pressing, mold pressing effect is dim, and oil drop is many, aluminium coated fastness is deteriorated, and printing adaptability is narrow.
comparative example 3
The preparation of this comparative example coating is with embodiment 3, in this comparative example, because the ratio of contained low molecular weight cellulose resin is too high, the hardness of coating entirety is too large, makes the attachment fastness of coating and PET basement membrane and vacuum aluminum-coated interlayer all undesirable, molding temperature is too high simultaneously, easily allow pressure roller injured, reduced lifespan, and mold pressing luminance difference, production efficiency is low, produces difficulty.
comparative example 4,5,6
The preparation of comparative example 4,5,6 coating is with embodiment 4, and difference is; Comparative example 4 is not containing acrylic resin, and comparative example 5 is not containing unmodified aldehyde ketone resin, and comparative example 6 is not containing low-molecular-weight acetylbutyrylcellulose resin.Also spell into low-molecular-weight acetylbutyrylcellulose resin again because comparative example 4,5,6 does not have to utilize acrylic resin and aldehyde ketone resin containing functional groups to arrange in pairs or groups, so the overall all hardness of coating is unstable, make the attachment fastness of coating and PET basement membrane and vacuum aluminum-coated interlayer very poor, molding temperature is too high simultaneously, easily allow pressure roller injured, reduced lifespan, and mold pressing luminance difference, production efficiency is low, produces difficulty.
Each component and total amount number in table 1 embodiment 1 ~ 5 and comparative example 1 ~ 5
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (7)
1. for a multifunctional coating for wine box package, it is characterized in that, comprise following component and parts by weight:
2. the multifunctional coating for wine box package according to claim 1, is characterized in that, described acrylate-functional resin is one or both the mixture in the acrylic resin of hydroxyl or the acrylic resin of simultaneously hydroxyl and carboxyl.
3. the multifunctional coating for wine box package according to claim 1, is characterized in that, described aldehyde ketone resin is unmodified aldehyde ketone resin, and containing carbonyl in its molecular structure, end group is hydroxyl.
4. the multifunctional coating for wine box package according to claim 1, is characterized in that, described low-molecular-weight acetylbutyrylcellulose resin specifically refers to hydroxyl cellulose ester resin formed by acetic acid and the common esterification of butyric acid in cellulosic molecule.
5. the multifunctional coating for wine box package according to claim 1, is characterized in that, described auxiliary agent comprise in levelling agent, wetting agent, adhesion promoter, promoter one or more; Described levelling agent comprises one or more in organic silicon modified by polyether oxygen alkane, alkyl-modified organosiloxane, polyester resin change properties of organic silicon oxygen alkane; Described wetting agent comprise in polyoxyethylated alkyl phenol, polyoxyethylene aliphatic alcohol ether one or both; Described adhesion promoter comprise epoxy radicals silicone hydride compound, amino containing silane compound, chloridized polyolefin acrylic resin modified in one or more; Described promoter is one or both in p-methyl benzenesulfonic acid amine salt, dibutyl tin laurate.
6. the multifunctional coating for wine box package according to claim 1, is characterized in that, described solvent is by two or more in ethyl acetate, isopropyl alcohol, n-propyl acetate, propylene glycol monomethyl ether, n-butyl acetate.
7. described in claim 1 for a preparation method for the multifunctional coating of wine box package, it is characterized in that, comprise the following steps:
A, to get the raw materials ready by described component and parts by weight;
B, be placed in reactor by described organic solvent, under 80rpm rotating speed, stir 30 ~ 60min, be warming up to 50 ~ 70 DEG C and mix;
C, functional acrylic resin, aldehyde ketone resin and low-molecular-weight acetylbutyrylcellulose resin being dropped in reactor, under 80 ~ 250rpm rotating speed, stirring 2 ~ 6h, to dissolving completely;
D, auxiliary agent being added in reactor, under 80 ~ 150rpm rotating speed, stirring 20 ~ 40min to being uniformly dispersed, filter and obtain the described multifunctional coating for wine box package.
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| CN201410508616.XA CN104404819B (en) | 2014-09-28 | 2014-09-28 | A kind of multifunctional coating for wine box outer packing and preparation method thereof |
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Cited By (6)
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| CN105038488A (en) * | 2015-08-04 | 2015-11-11 | 上海维凯光电新材料有限公司 | Offset printing transfer coating high in rubbing resistance and preparation method thereof |
| CN105131749A (en) * | 2015-08-30 | 2015-12-09 | 娄尤来 | Preparation method of highly-stain-proof coating for wine box external packaging |
| CN105331202A (en) * | 2015-12-07 | 2016-02-17 | 山东泰宝包装制品有限公司 | Directly-pressed paper coating and drying process thereof |
| CN109722127A (en) * | 2018-12-28 | 2019-05-07 | 上海乘鹰新材料有限公司 | A kind of PP substrate laser effect coating composition and preparation method thereof |
| CN112745720A (en) * | 2020-12-29 | 2021-05-04 | 广东邦固化学科技有限公司 | Composite laser coating composition for PVC (polyvinyl chloride) film and preparation method thereof |
| CN116042019A (en) * | 2023-02-23 | 2023-05-02 | 重庆宏图新材料科技有限公司 | Environment-friendly ink special for temperature change of food packaging bag and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038488A (en) * | 2015-08-04 | 2015-11-11 | 上海维凯光电新材料有限公司 | Offset printing transfer coating high in rubbing resistance and preparation method thereof |
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| CN109722127A (en) * | 2018-12-28 | 2019-05-07 | 上海乘鹰新材料有限公司 | A kind of PP substrate laser effect coating composition and preparation method thereof |
| CN112745720A (en) * | 2020-12-29 | 2021-05-04 | 广东邦固化学科技有限公司 | Composite laser coating composition for PVC (polyvinyl chloride) film and preparation method thereof |
| CN116042019A (en) * | 2023-02-23 | 2023-05-02 | 重庆宏图新材料科技有限公司 | Environment-friendly ink special for temperature change of food packaging bag and preparation method thereof |
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| CN104404819B (en) | 2017-11-10 |
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