CN103132372B - Solvent-based light oil suitable for offset press - Google Patents
Solvent-based light oil suitable for offset press Download PDFInfo
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- CN103132372B CN103132372B CN201310070446.7A CN201310070446A CN103132372B CN 103132372 B CN103132372 B CN 103132372B CN 201310070446 A CN201310070446 A CN 201310070446A CN 103132372 B CN103132372 B CN 103132372B
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Abstract
The invention discloses solvent-based light oil suitable for an offset press. The solvent-based light oil comprises the components by weight percent of: 13-18% of primary connecting material resin, 6-10% of auxiliary resin, 65-80% of a solvent, 4-6% of an auxiliary solvent and 0.5-1% of an auxiliary agent. The Lower glass transition temperature can be obtained after the solvent-based light oil is dried compared with that by using UV (ultraviolet) light oil in the prior art; the solvent-based light oil is stable in the aspect of hot stamping adaptability; the problem of incomplete hot stamping is not generated; the matching characteristic of the solvent-based light oil with silk printing ink after the solvent-based light oil is applied to the offset press can be improved, and the deinking possibility is reduced due to the fact that the resin with low UV tension is selected by the solvent-based light oil.
Description
Technical field
The invention belongs to printing technology, and relate to a kind of solvent-borne type gloss oil.More specifically, the present invention relates to a kind of solvent-borne type gloss oil being applicable to offset press, there is higher gold stamping adaptability and ink for screen printing adhesive force.
Background technology
In the development process of product, product surface needs last layer gloss oil to improve brightness and the ABRASION RESISTANCE of product surface usually, utilizes gold stamping and silk-screen to increase antifalsification and the technology difficulty of product subsequently.The gloss oil being applied to product surface is at first water-based gloss oil (also referred to as decentralized glazing agent), and current UV gloss oil (also referred to as ink for screen printing) is also widely used in the production process of offset press.Water-based gloss oil have colourless, tasteless, transparent feel is strong and nontoxic, without organic volatile (VOC), have the features such as good glossiness, folding resistance, ABRASION RESISTANCE and chemical proofing.Owing to taking water as diluent, and only use a small amount of volatile ethanol to be secondary solvent, therefore water-based gloss oil volatilizees without poisonous and harmful substance, the harm to human body and reduction environmental pollution possibility can be eliminated in operation, be conducive to the working condition keeping the safety in production and improve operative employee, meet environmental requirement.
Water-based gloss oil is specially adapted to the packaging of the products such as cigarette, is also conducive to improving the transfer smoothness of anodized aluminium when surperficial thermoprint and adhesion-tight.But due in the component of water-based gloss oil containing large quantity of moisture, its surface tension is not only and is affected glossiness and be the key factor affecting gloss oil coating total quality; The difference to wetting, the attachment of same printed matter, penetrant action of the size of surface tension value is very large, and after coating and press polish, film-formation result difference is also very large.The surface tension value of water-based gloss oil is comparatively large, has difficulties, be not easy to form uniform coating layer to the wetting of printed matter surface ink film; When its surface tension value is greater than the tension value of printed matter ink film, the gloss oil coating after coating can produce certain contraction, even occurs the phenomenons such as sand holes in some local.This and the UV ink of silk-screen can occur to combine conflict, cause and adhere to loosely between, and fall the bad reaction of ink when there is cross cutting, quality is difficult to be protected.In addition, water-based gloss oil requires quite high, if the related auxiliaries contained by it slightly changes just there will be the not first-class bad reaction of thermoprint for the adaptability at its surface gilding.
In addition, in the basic product only for gravure production of solvent-borne type gloss oil that print field occurs recently.What gravure adopted is drum-type transmission, light oil viscosity (examining grace 3# cup) between 15-20 second, the strong and fast drying of mobility.If be directly used on offset press, be easy to cause and get rid of oil, shift the problems such as bad, the gloss oil coating quality that impact is formed.
Summary of the invention
The technical problem to be solved in the present invention is, for water-based gloss oil in prior art because auxiliary agent change easily occurs bad reaction that thermoprint do not go up, adheres to the phenomenon of loosely falling ink and existing solvent-borne type gloss oil be only applicable to the problem that gravure produces between water-based gloss oil and ink for screen printing, there is provided a kind of solvent-borne type gloss oil with higher gold stamping adaptability and ink for screen printing adhesive force, this solvent-borne type gloss oil is particularly useful for offset press, can be directly used in offset printing.
The technical problem to be solved in the present invention is achieved by the following technical programs: provide a kind of solvent-borne type gloss oil being applicable to offset press, described solvent-borne type gloss oil comprise percentage by weight be 13 ~ 18% main binder resin, the percentage by weight assisted resin that is 6 ~ 10%, the percentage by weight solvent that is 65 ~ 80%, percentage by weight be 4 ~ 6% secondary solvent and percentage by weight be the auxiliary agent of 0.5 ~ 1%.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, described solvent-borne type gloss oil comprise percentage by weight be 15% main binder resin, the percentage by weight assisted resin that is 8%, the percentage by weight solvent that is 71.4%, percentage by weight be 5% secondary solvent and percentage by weight be the auxiliary agent of 0.6%.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, described main binder resin is polyvinyl butyral resin.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, described assisted resin is Abietyl modified maleic acid resin.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, in described solvent-borne type gloss oil, described solvent is the isopropyl alcohol that percentage by weight accounts for that the ethanol of 40 ~ 45% of described solvent-borne type gloss oil and percentage by weight account for 25 ~ 35% of described solvent-borne type gloss oil.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, in described solvent-borne type gloss oil, described solvent is the isopropyl alcohol that percentage by weight accounts for that the ethanol of 41.4% of described solvent-borne type gloss oil and percentage by weight account for 30% of described solvent-borne type gloss oil.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, described secondary solvent is dihydroxypropane single-ether.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, described auxiliary agent is palm wax.
Be applicable in the solvent-borne type gloss oil of offset press above-mentioned, the fusing point of described palm wax is 83 ~ 91 DEG C.
Implement the present invention and can obtain following beneficial effect: solvent-borne type gloss oil of the present invention can obtain the vitrification point lower than UV gloss oil of the prior art after the drying, more stable in gold stamping adaptability, there will not be the problem of gold stamping incompleteness; Select the resin that band UV tension force is low in solvent-borne type gloss oil, therefore can improve the matching with ink for screen printing after being applied to offset press, reduce the possibility falling ink.
Solvent-borne type gloss oil of the present invention is applicable to flexographic printing, is applicable to the various Cigarette paper base materials such as paperboard, art paper, laser paper.Solvent-borne type gloss oil environment-protecting asepsis of the present invention, can obtain high gloss, transparency and ABRASION RESISTANCE after being applied to product surface, has that trace is clear, film forming abundant full, advantage that printing adaptability is good when being applied to offset press.In addition, can not xanthochromia when UV crossed by this solvent-borne type gloss oil, and can not fission and produce benzene class noxious material.
Detailed description of the invention
For making object of the present invention, technical scheme and effect clearer, below with reference to specific embodiment, the present invention is described in further details.It should be understood that following examples only in order to explain the present invention, and any restriction is not done to the present invention.The solvent-borne type gloss oil (hereinafter referred to as solvent-borne type gloss oil) being applicable to offset press provided by the present invention comprises main binder resin, assisted resin, solvent, secondary solvent and auxiliary agent, make after fully being disperseed by above each component, and suitable viscosity, gold stamping adaptability and adhesion-tight can be obtained by the cooperation cooperation between each component.The present invention selects alcohol dissolubility and the high resin of viscosity, preferably adopts the resin of alcohol soluble, thus under different drying mode, make the smell of solvent-borne type gloss oil keep minimum.The resin selected is the resin that band UV tension force is lower, to improve the adhesive force of gloss oil coating and UV gloss oil, avoids occurring falling black phenomenon during follow-up cross cutting.Solvent-borne type gloss oil of the present invention can have the vitrification point lower than UV gloss oil after the drying, therefore has more stable gold stamping adaptability, there will not be the problem of gold stamping incompleteness.
In solvent-borne type gloss oil of the present invention, the percentage by weight of main binder resin, assisted resin, solvent, secondary solvent and auxiliary agent is respectively 13 ~ 18%, 6 ~ 10%, 65 ~ 80%, 4 ~ 6% and 0.5 ~ 1%; And can more preferably 15%, 8%, 71.4%, 5% and 0.6%.
In above-mentioned solvent-borne type gloss oil, main binder resin used is preferably Pioloform, polyvinyl acetal butyraldehyde (No. CAS is 63148-65-2); Polyvinyl butyral resin has the hexatomic ring ethylidene ether structure generated by two hydroxyl reactions adjacent in the carbonyl in butyraldehyde and polyvinyl alcohol, this polymer has good resistance to water, associativity is good and have good adhesion inhibiting properties and pigment wettability, in the solvent-borne type gloss oil obtained, be used as binder.
In above-mentioned solvent-borne type gloss oil, assisted resin preferably adopts Abietyl modified maleic acid resin (No. CAS is 68424-99-7), it is obtained with the polyhydric alcohol further compound of the addition reaction product of rosin (No. CAS is 8050-09-7) and maleic anhydride, is mainly used in the gloss and the drying property that adjust solvent-borne type gloss oil.
In above-mentioned solvent-borne type gloss oil, solvent is the mixture of ethanol and isopropyl alcohol, and the percentage by weight that wherein ethanol and isopropyl alcohol are shared in obtained solvent-borne type gloss oil is respectively 40-45% and 25-35%.Its effect is all dissolving resin and regulates gloss oil viscosity.
In above-mentioned solvent-borne type gloss oil, secondary solvent preferably adopts dihydroxypropane single-ether (No. CAS is 1569-02-4).Dihydroxypropane single-ether is slow curing solvent, is mainly used in the rate of drying regulating solvent-borne type gloss oil.
In above-mentioned solvent-borne type gloss oil, auxiliary agent used is palm wax (No. CAS is 8015-86-9).The main component of this palm wax is palmitic acid honeybee ester and cerinic acid, and density is 0.990-0.999g/cm
3, fusing point is 83-91 DEG C.Palm wax in solvent-borne type gloss oil for adjusting the frictional property of ink, release, slip and viscosity.
The solvent-borne type gloss oil obtained the present invention below in conjunction with specific embodiment and performance thereof are described in detail.
Embodiment 1, a kind of solvent-borne type gloss oil being applicable to offset press, be made up of the raw material of following percentage by weight: the polyvinyl butyral resin of 15%, the Abietyl modified maleic acid resin of 8%, 41.4% ethanol, the dihydroxypropane single-ether of 5%, the isopropyl alcohol of 30% and 0.6% palm wax.
Its preparation method is as follows: take each component by above percentage by weight, subsequently the polyvinyl butyral resin taken, Abietyl modified maleic acid resin, ethanol, dihydroxypropane single-ether, isopropyl alcohol and palm wax are joined in homogenizer, half an hour is stirred under the speed of 3000 revs/min, each component is fully disperseed, the obtained solvent-borne type gloss oil being applicable to offset press.
Embodiment 2, a kind of solvent-borne type gloss oil being applicable to offset press, be made up of the raw material of following percentage by weight: the polyvinyl butyral resin of 13%, the Abietyl modified maleic acid resin of 10%, 40% ethanol, the dihydroxypropane single-ether of 6%, the isopropyl alcohol of 30% and 1% palm wax.Its preparation method with embodiment 1, at this no longer repeated description.
Embodiment 3, a kind of solvent-borne type gloss oil being applicable to offset press, be made up of the raw material of following percentage by weight: the polyvinyl butyral resin of 18%, the Abietyl modified maleic acid resin of 6%, 45% ethanol, the dihydroxypropane single-ether of 5.5%, the isopropyl alcohol of 25% and 0.5% palm wax.Its preparation method with embodiment 1, at this no longer repeated description.
Embodiment 4, a kind of solvent-borne type gloss oil being applicable to offset press, be made up of the raw material of following percentage by weight: the polyvinyl butyral resin of 13%, the Abietyl modified maleic acid resin of 6%, 41% ethanol, the dihydroxypropane single-ether of 4.5%, the isopropyl alcohol of 35% and 0.5% palm wax.Its preparation method with embodiment 1, at this no longer repeated description.
Product test: the various performance parameters (viscosity, dry solidification, adhesion-tight) detecting above-mentioned solvent-borne type gloss oil below by way of concrete test.For absolutely proving the improvement of solvent-borne type gloss oil of the present invention at aspect of performance, with gold stamping gloss oil as a comparison case.
Solvent-borne type gloss oil is coated product surface, after gloss oil dry solidification: (1) is surperficial with clip resitant coatings, to carry out dry solidification detection; By its dry solidification of degree evaluation that comes off.(2) peel off rapidly with manual 45 ° of the 3M adhesive tape that 25mm is wide; Its adhesion-tight is evaluated by coating shedding area.(3) product of solvent-borne type gloss oil is coated with die-cutting machine cross cutting; By falling its adhesion-tight of ink amount par.(4) adopt 3# to examine grace cup tested viscosity under the condition of 25 DEG C, concrete operations are see standard GB/T13217.4.Concrete test result sees the following form.
The performance parameter of table 1 solvent-borne type gloss oil and gold stamping gloss oil
| Test specimens | Viscosity (mPas) | Dry solidification performance | Adhesion-tight |
| Embodiment 1 | 43 | Without coming off | Without falling ink, without coming off |
| Embodiment 2 | 40 | Without coming off | Without falling ink, without coming off |
| Embodiment 3 | 46 | Without coming off | Without falling ink, without coming off |
| Embodiment 4 | 41 | Without coming off | Without falling ink, without coming off |
| Gold stamping gloss oil | 15 | Tool cut | Fall ink, without coming off |
Can find out from above test, solvent-borne type gloss oil of the present invention has good dry solidification performance, without falling black phenomenon after cross cutting, shows to have good adhesive force with ink for screen printing.
Except above test, test the solid content of solvent-borne type gloss oil based on GB/T1725, the typical mean solids content of above embodiment is 23.6%.In addition, advise carrying out dilution process to it before this solvent-borne type gloss oil of use, retarder thinner addition is preferably in accordance with following weight ratio: solvent-borne type gloss oil: diluent=1:1-2.Concrete dilution solvent and the visible table 2 of consumption thereof; Be only concrete example shown in table 2, do not limit can with the present invention with the use of diluent kind.In addition, printing viscosity of the present invention (using Zahn3# cup) is preferably 30-35mPas, and this viscosity number can adjust accordingly according to print speed printing speed.
Dilution example when table 2 solvent-borne type gloss oil uses
| Diluent | Quick-drying | In dry | Slow curing |
| Ethyl acetate | 50 | ||
| Ethanol or isopropyl alcohol | 50 | 100 | 50 |
| Propylene glycol monomethyl ether | 50 |
In sum, solvent-borne type gloss oil of the present invention can obtain the vitrification point lower than UV gloss oil of the prior art after the drying, more stable in gold stamping adaptability, there will not be the problem of gold stamping incompleteness; Solvent-borne type gloss oil, owing to selecting the resin that band UV tension force is low, therefore can improve the matching with ink for screen printing, reduce the possibility falling ink after being applied to offset press.
The foregoing is only the preferred embodiments of the present invention, its object does not also lie in the present invention's restriction or is constrained in above-mentioned implementation.All any amendments of making the present invention within the scope of the invention and replacing all should be included in the scope of the claims in the present invention.
Claims (2)
1. one kind is applicable to the solvent-borne type gloss oil of offset press, it is characterized in that, described solvent-borne type gloss oil comprise percentage by weight be 15% polyvinyl butyral resin, the percentage by weight Abietyl modified maleic acid resin that is 8%, the percentage by weight solvent that is 71.4%, percentage by weight be 5% dihydroxypropane single-ether and percentage by weight be the palm wax of 0.6%;
Described solvent is the isopropyl alcohol that percentage by weight accounts for that the ethanol of 41.4% of described solvent-borne type gloss oil and percentage by weight account for 30% of described solvent-borne type gloss oil.
2. the solvent-borne type gloss oil being applicable to offset press according to claim 1, is characterized in that, the fusing point of described palm wax is 83 ~ 91 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310070446.7A CN103132372B (en) | 2013-03-06 | 2013-03-06 | Solvent-based light oil suitable for offset press |
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| CN201310070446.7A CN103132372B (en) | 2013-03-06 | 2013-03-06 | Solvent-based light oil suitable for offset press |
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| CN103132372A CN103132372A (en) | 2013-06-05 |
| CN103132372B true CN103132372B (en) | 2015-06-03 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108515775B (en) * | 2018-04-11 | 2020-03-24 | 陆良福牌彩印有限公司 | Process for improving gold stamping effect by adding gravure printing base oil |
| CN109811583A (en) * | 2018-12-27 | 2019-05-28 | 安徽集友新材料股份有限公司 | For the high gloss oil of the molten ink layer surface of printed matter alcohol, printed matter and preparation method thereof and cigarette |
| CN112140760A (en) * | 2020-08-18 | 2020-12-29 | 泸州启航科技有限公司 | Silk sleeve ironing production method |
| CN112497986A (en) * | 2020-11-17 | 2021-03-16 | 苏州美盈森环保科技有限公司 | Gold stamping method for kraft paper |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746740A (en) * | 2012-07-23 | 2012-10-24 | 玉溪市星源油墨厂 | Ink binder used for alcohol-soluble ink tipping paper and preparation process thereof |
| CN103756496A (en) * | 2014-01-21 | 2014-04-30 | 繁昌县朱氏印务有限责任公司 | Environment-friendly printed matter oil polish |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746740A (en) * | 2012-07-23 | 2012-10-24 | 玉溪市星源油墨厂 | Ink binder used for alcohol-soluble ink tipping paper and preparation process thereof |
| CN103756496A (en) * | 2014-01-21 | 2014-04-30 | 繁昌县朱氏印务有限责任公司 | Environment-friendly printed matter oil polish |
Non-Patent Citations (1)
| Title |
|---|
| 在胶印中使用上光油;Ralph Gumbel等;《今日印刷》;19991231(第06期);第104页-108页 * |
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Inventor after: Li Shujun Inventor after: Zhang Jianping Inventor after: Chen Chunhua Inventor after: Zhu Hongkun Inventor after: Tang Zan Inventor before: Zhang Jianping Inventor before: Yin Lin Inventor before: Li Shujun Inventor before: Li Yong |
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