CN103265844B - White printing ink for printing shrink film labels and preparation method of white printing ink - Google Patents
White printing ink for printing shrink film labels and preparation method of white printing ink Download PDFInfo
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- CN103265844B CN103265844B CN201310217171.5A CN201310217171A CN103265844B CN 103265844 B CN103265844 B CN 103265844B CN 201310217171 A CN201310217171 A CN 201310217171A CN 103265844 B CN103265844 B CN 103265844B
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Abstract
The invention discloses white printing ink for printing shrink film labels and relates to environmental-friendly ink. The white printing ink comprises the following components: acrylic resin, cellulose acetate butyrate, polyvinyl butyral resin, EVA (Ethylene Vinyl Acetate) resin, titanium dioxide R258, additives and a diluent, wherein the additives are polyethylene wax and fumed silica. Compared with the prior art, the white printing ink for printing the shrink film labels, disclosed by the invention, has the advantages that the white printing ink is free of benzene and ketone, resists tetrahydrofuran and can be applied to PVC (Polyvinyl Chloride), PET (Polyethylene Terephthalate), OPS (Oriented Polystyrene) heat shrink film base materials, and after the white printing ink is matched with heat shrink films for printing, the shrink films do not curl and are free of tinting. The products printed by adopting the white printing ink are in line with environment-friendly requirements, are safe and non-toxic and can be recycled; and after printing, the shrink films have very strong capability of resisting alcohol and tetrahydrofuran, thus the problem of the compatibility between the thin films and glue occurring when the thin films are subjected to skin packaging and are glued is solved very well.
Description
Technical field
The present invention relates to a kind of environment-friendly ink, particularly a kind of for printing white ink of contraction film label and preparation method thereof.
Background technology
It is good that plastic shrink film has snappiness, and impact resistance, tear strength are strong, not cracky, be not afraid of tide, advantage that shrinking percentage is large.Therefore along with the raising of people's living standard, the demand of contraction film label is also huge.Its main application fields contains the industries such as beverage bottle (mineral water, fruit juice, cola, beer etc.), healthcare products, pharmaceuticals, individual washing product.According to statistics: the quantity that domestic annual beverage bottle is marked with hundred million of hundreds ofs is produced and annual growth remains on more than 12%.
Current most of Plastic Bottle target printing factory is still used containing benzene, containing ketone ink printing.Containing benzene, containing ketone ink in manufacturing processed, print and finish using all can contaminate environment after discarded, human body is worked the mischief.
Along with the attention of people to environmental protection, replace with the bottle mark China ink of environmental protection the inexorable trend that contains benzene, become industry development containing the bottle printing ink of ketone.Aspect versatility: the thin-film material that Plastic Bottle mark is conventional has PVC, PET, OPS film.Traditional bottle mark is taking PVC film as base material, easily produces dioxins materials and be difficult for degraded after burning, larger to the pollution of environment.Current printing ink is on the market mostly for PVC base material, and maximum compatible PVC and PET base material film, use extremely inconvenient.PET, OPS base material be bottle mark base material development trend, especially OPS shrinkable film because of it possess high shrinkage, intensity high, nonpoisonous and tasteless, can meet food hygienic standard by grease resistance, and moderately become bottle head-stamp and brushed following first-selected base material.Therefore market in urgent need is a kind of can print this three kinds of base materials not only environmental protection but also general novel product simultaneously.Replace traditional non-environment-friendly ink of simple function with a kind of general environmental protection China ink and become the urgent requirement of market development.
The technical barrier of receiving at present universal contracting film ink is: different shrink films need different printing-inks; In printing process there is curling, mist version problem in shrink film; The sticky bottle of shrink film; Not resistance to tetrahydrofuran (THF) when the shrink film of printing is puted the palms together before one; The problems such as ink film is not wear-resisting.
Summary of the invention
It is a kind of for printing the white ink of contraction film label that one of object of the present invention is just to provide, this white ink that is used for printing contraction film label without benzene without the resistance to tetrahydrofuran (THF) of ketone, can be used for PVC, PET, OPS heat-shrinkable film base material, with the supporting printing of heat-shrinkable film after, print film is not curling, not scumming, printing meets environmental requirement, safety non-toxic, recyclable, and print post shrinkage film and there is very strong resistance to alcohol and resistance to tetrahydrofuran (THF) ability, solved well when such film skin packaging is puted the palms together before one and the compatible problem of glue.
Technical scheme of the present invention is: a kind of for printing the white ink of contraction film label, this ink is made up of following composition:
Acrylic resin, cellulose acetate butyrate, polyvinyl butyral resin, EVA resin, titanium dioxide R258, auxiliary agent and thinner; Described auxiliary agent is polyethylene wax and aerosil.
As preferably, described acrylic resin is Acoma-S5600 resin.
As preferably, described thinner is ethyl ester, Virahol and propylene glycol monomethyl ether.
As preferably, this ink is made with the raw material of following % by weight
Described acrylic resin 8%, cellulose acetate butyrate 10%, polyvinyl butyral resin 10%, EVA resin 10%, titanium dioxide R258 40%, polyethylene wax 1.5%, aerosil 1% and thinner 19.5%.
Two of object of the present invention be to provide a kind of prepare above-mentioned for printing the preparation method of white ink of contraction film label.
Technical scheme is: a kind ofly prepare above-mentionedly for printing the preparation method of white ink of contraction film label, comprise the following steps:
1) get the raw materials ready; Pressing composition and ratio weighs;
2) batch mixing; Except aerosil and thinner, be uniformly mixed at mixed cylinder;
3) grind; By compound put into sand mill be ground to fineness reach 10 μ m stop below grind;
4) inking; When inking, add aerosil and add thinner adjustment viscosity to reach thin-walled 3# and examine grace cup 15-25 second;
5) filter; Filtering is greater than the particle of 10 μ m, obtains ink product.
The present invention compared with prior art tool has the following advantages:
1, there is environment-protecting asepsis, bright in luster, fullness of shade is high.Shallow version transfer performance is good, and gradation reproduction is good.Have good drying property, resistance toly rub, attachment fastness is good.Resistance to blocking is good, and printing can be rolled up and be put.Scraper adaptive is good.After printing, pattern fonts does not fade, and does not come off.Applicable base materials: various material heat-shrinkable film, various plastics films, do not need all kinds of films of Electrostatic Treatment, surface treated stretched polypropene film.Surface treated modified polypropylene film.Can be suitable for the print speed of 30-120 m/min.
2, printing viscosity: thin-walled 3# examines grace cup: 15-25 second, thin-walled 2# examines grace cup: 20-30 second.
3, binder of the present invention resin used is combination resin, main resin in combination resin is acrylic resin, in acrylic resin, adopt Acoma-S5600 resin, Acoma-S5600 resin is the multipolymer of methyl methacrylate and butyl methacrylate, there is good solvent release and plasticizer-resistant performance, and have enough hardness and higher gloss; There is fabulous consistency with other film-forming resin as Nitrocellulose, chlorine vinegar multipolymer, CAB and softening agent.Assisted resin is that cellulose acetate butyrate, polyvinyl butyral resin and soft resin EVA solve the curling problem of shrink film).
4, thinner of the present invention adopts the mixture of ethyl ester, Virahol and propylene glycol monomethyl ether.
5, auxiliary agent adopt aerosil as anti-settling agent, adopt polyethylene wax as slipping agent and anti-wear agent, amount of auxiliary makes that the ink that makes is resistance toly rubbed, attachment fastness is good.
terminological interpretation
The one of Acoma-S5600 resin-propylene acid resin (softening temperature is more than 120 degree), it is the multipolymer of methyl methacrylate and butyl methacrylate, there is good solvent release and plasticizer-resistant performance, and have enough hardness and higher gloss.
In the present invention, if no special instructions, % refers to weight percent.
Embodiment
Embodiment 1 is for printing the white ink of contraction film label
Take respectively Acoma-S5600 resin 8%, cellulose acetate butyrate 10%, polyvinyl butyral resin 10%, EVA resin 10%, titanium dioxide R258 40%, polyethylene wax 1.5%, aerosil 1%, ethyl ester 10%, Virahol 5% and propylene glycol monomethyl ether 4.5%.By acrylic resin, cellulose acetate butyrate, polyvinyl butyral resin, EVA resin, titanium dioxide R258 and polyethylene wax after mixed cylinder is uniformly mixed, put into sand mill be ground to fineness reach 10 μ m stop below grind.When inking, add aerosil and add ethyl ester, Virahol and propylene glycol monomethyl ether is adjusted viscosity and reached thin-walled 3# and examine grace cup 15-25 and can filter and package second.
Claims (4)
1. for printing a white ink for contraction film label, this ink is made with the raw material of following % by weight:
Acrylic resin 8%, cellulose acetate butyrate 10%, polyvinyl butyral resin 10%, EVA resin 10%, titanium dioxide R258 40%, polyethylene wax 1.5%, aerosil 1% and thinner 19.5%.
2. according to claim 1 for printing the white ink of contraction film label, it is characterized in that: described acrylic resin is Acoma-S5600 resin.
3. according to claim 1 for printing the white ink of contraction film label, it is characterized in that: described thinner is the mixture of ethyl ester, Virahol and propylene glycol monomethyl ether.
4. prepare described in the arbitrary claim of claim 1-3 for printing the method for white ink for contraction film label, comprise the following steps:
1) get the raw materials ready; Press composition and ratio raw materials weighing;
2) batch mixing; Raw material except aerosil and thinner is uniformly mixed at mixed cylinder;
3) grind; Compound is put into sand mill to be ground to fineness and to reach below 10 μ m;
4) inking; Add aerosil and add thinner adjustment viscosity to reach thin-walled 3# and examine grace cup 15-25 second;
5) filter; Filtering is greater than the particle of 10 μ m, obtains ink product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217171.5A CN103265844B (en) | 2013-06-04 | 2013-06-04 | White printing ink for printing shrink film labels and preparation method of white printing ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217171.5A CN103265844B (en) | 2013-06-04 | 2013-06-04 | White printing ink for printing shrink film labels and preparation method of white printing ink |
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| Publication Number | Publication Date |
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| CN103265844A CN103265844A (en) | 2013-08-28 |
| CN103265844B true CN103265844B (en) | 2014-06-18 |
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| CN201310217171.5A Active CN103265844B (en) | 2013-06-04 | 2013-06-04 | White printing ink for printing shrink film labels and preparation method of white printing ink |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103804989A (en) * | 2013-12-11 | 2014-05-21 | 常熟市希诺包装制品有限公司 | Colored printing ink for printing heat shrink film label |
| CN110724408A (en) * | 2019-11-19 | 2020-01-24 | 成都普瑞斯特新材料有限公司 | Universal U-shaped white ink for shrink film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100432164C (en) * | 2005-06-09 | 2008-11-12 | 上海印钞厂 | Optical disclour printing ink with polarization effect |
| CN102460148A (en) * | 2009-05-08 | 2012-05-16 | 巴斯夫欧洲公司 | Indicator system for monitoring a sterilization process |
| CN102115622B (en) * | 2011-04-14 | 2013-08-21 | 湖州杭华油墨科技有限公司 | Alcoholic group liquid ink capable of realizing high-speed printing and preparation method thereof |
| CN102702857B (en) * | 2012-07-06 | 2014-01-08 | 南雄市星辉化工新材料有限公司 | Benzene-free alcohol-resistant PET (polyethylene terephthalate) thermoshrinkable film plastic printing ink and preparation method thereof |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: White printing ink for printing shrink film labels and preparation method of white printing ink Effective date of registration: 20160128 Granted publication date: 20140618 Pledgee: Agricultural Bank of China Limited by Share Ltd. Chengdu West Branch Pledgor: CHENGDU PRESSTER NEW MATERIALS Co.,Ltd. Registration number: 2016990000082 |
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Date of cancellation: 20230717 Granted publication date: 20140618 Pledgee: Agricultural Bank of China Limited by Share Ltd. Chengdu West Branch Pledgor: CHENGDU PRESSTER NEW MATERIALS Co.,Ltd. Registration number: 2016990000082 |