CN103382329B - Polyvinyl chloride (PVC) environment-friendly transfer printing ink and preparation method and application thereof - Google Patents
Polyvinyl chloride (PVC) environment-friendly transfer printing ink and preparation method and application thereof Download PDFInfo
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- CN103382329B CN103382329B CN201310316361.2A CN201310316361A CN103382329B CN 103382329 B CN103382329 B CN 103382329B CN 201310316361 A CN201310316361 A CN 201310316361A CN 103382329 B CN103382329 B CN 103382329B
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Abstract
The invention discloses polyvinyl chloride (PVC) environment-friendly transfer printing ink which comprises, by weight, 50-90% of polyester modified thermoplastic polyurethane resin, 0.1-1% of fillers, 4-40% of pigment, 0.1-1% of auxiliaries and 5-10% of organic solvent. The transfer printing ink is fast in drying and stable, high in chroma, stable in colloidal property and good in effect by transfer printing on the surface of PVC plastic directly, does not require pre-processing, is good in continuous printing performance, does not draw threads and is convenient to wash, clear in printed patterns and good in three-dimensional sense and adhesion. The environment-friendly detecting of the ink can meet various detecting standards of EU 2009/48/EC, polycyclic aromatic hydrocarbon (PAHS), REACH, substance of very high concern (SVHC), GB24613 and the like. The invention further discloses a preparation method and an application of the PVC environment-friendly transfer printing ink. The preparation method is simple and easy to control and convenient to operate. The ink can be widely and well applied to surface transfer printing of PVC plastic products.
Description
Technical field
The present invention relates to technical field of ink, particularly a kind of PVC environmental protection pad-transfer printing ink and its preparation method and application.
Background technology
PVC pad-transfer printing ink is a kind of pad-transfer printing ink be printed in PVC material.Existing PVC pad-transfer printing ink is all adopt vinyl chloride-vinyl acetate resin and thermoplastic acrylic resin to do binder, because vinyl chloride-vinyl acetate resin sticking power on PVC stock is good, and thermoplastic acrylic resin can improve gloss and the hardness of paint film.But the viscosity of vinyl chloride-vinyl acetate resin and thermoplastic acrylic resin is very large, easily produces wire drawing phenomenon in pad-printing process.And the grease resistance of vinyl chloride-vinyl acetate resin and thermoplastic acrylic resin can be poor, flexible glue PVC stock easily there is adhesion phenomenon to occur.In addition, existing PVC pad-transfer printing ink does not meet the environmental requirement more and more paid attention to now, in environmental protection tests, can not meet the examination criteria such as EU2009/48/EC, polycyclic aromatic hydrocarbons (PAHS), REACH, SVHC, make the application of existing PVC pad-transfer printing ink greatly limited.Therefore, environmental protection is developed and the respond well PVC pad-transfer printing ink of bat printing becomes key point instantly.
Summary of the invention
The object of the invention is to the above-mentioned deficiency overcoming prior art, the environment-friendly type PVC pad-transfer printing ink that a kind of good containing vinyl chloride-vinyl acetate resin, printing performance and resistance to blocking, grease resistance can be good is provided.
Another object of the present invention is to provide a kind of technique simple, cost is low, the preparation method of the PVC environmental protection pad-transfer printing ink be easy to operate and control.
Another object of the present invention is to provide the utilization of a kind of PVC environmental protection pad-transfer printing ink in PVC plastic glue product surface bat printing.
In order to realize foregoing invention object, technical scheme of the present invention is as follows:
A kind of PVC environmental protection pad-transfer printing ink, comprises the recipe ingredient of following weight percent:
Binder 50 ~ 90%;
Filler 0.1 ~ 1%;
Pigment 4 ~ 40%;
Auxiliary agent 0.1 ~ 1%;
Solvent 5 ~ 10%;
Described binder comprises polyester modification TPU(Thermoplastic polyurethanes).
And a kind of preparation method of PVC environmental protection pad-transfer printing ink, comprises following preparation process:
Each component is taken respectively according to above-mentioned pad-transfer printing ink formula;
The described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
And, correspondingly, the utilization of above-mentioned PVC environmental protection pad-transfer printing ink in PVC plastic glue product surface bat printing.
Above-mentioned PVC environmental protection pad-transfer printing ink is using polyester modification TPU(Thermoplastic polyurethanes) as binder, and make ink printing performance in printing process good, paint film resistance to blocking is good, and printing is bright in luster full.Simultaneously itself and filler, pigment, auxiliary agent and solvent combines, make the pad-transfer printing ink rate of drying that obtains soon and stablize, depth of shade is high, colloidal property is stablized, meet the requirement that pad-transfer printing ink will possess, be suitable for bat printing.And described PVC environmental protection pad-transfer printing ink can be widely used in the direct bat printing in surface of PVC plastic glue goods, and do not need to carry out pre-treatment, its good, not wire drawing of print property continuously, be convenient to cleaning, printing clear patterns, stereoscopic sensation are strong, sticking power good.Moreover the selection of each component of described PVC environmental protection pad-transfer printing ink all can meet EU2009/48/EC, polycyclic aromatic hydrocarbons (PAHS), the multinomial environmental protection tests standard such as REACH, SVHC, GB24613, is a kind of environment-friendly type PVC pad-transfer printing ink.
The preparation method of above-mentioned PVC environmental protection pad-transfer printing ink only need take each component by formula, then each component is mixed and fully wetting, is then ground to required fineness and can obtains product, its preparation method technique is simple, and condition is easily controlled, with low cost, low for equipment requirements, be suitable for suitability for industrialized production.
Be applied in the surperficial bat printing of PVC plastic glue goods by above-mentioned PVC environmental protection pad-transfer printing ink, do not need to carry out pre-treatment, not wire drawing, bat printing are respond well, and are convenient to cleaning, and obtained printing clear patterns, sticking power are good.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of PVC environmental protection pad-transfer printing ink, comprises the recipe ingredient of following weight percent:
Binder 50 ~ 90%;
Filler 0.1 ~ 1%;
Pigment 4 ~ 40%;
Auxiliary agent 0.1 ~ 1%;
Solvent 5 ~ 10%.
Particularly, above-mentioned binder refers to have certain viscosity, plays a kind of fluid medium of dispersed color effect in ink.Its concrete effect allows ink have certain viscosity, stickiness, flowing property, thixotropy, and determine the dry type of ink, rate of drying and ink degree, wear resistance, stability etc.In various embodiments of the present invention, this binder comprises polyester modification TPU(Thermoplastic polyurethanes), and this resin coordinates with other components of ink and makes ink in printing process, have good printing performance, not only on PVC, has good adhesion effect, and anti-stick not wire drawing, environmental protection is reliable.Moreover, this binder does not need to add vinyl chloride-vinyl acetate resin and/or thermoplastic acrylic resin, but still there is good sticking power and bat printing effect, not only meet present environmental requirement, and meet the performance requriements of PVC pad-transfer printing ink, overcoming existing employing vinyl chloride-vinyl acetate resin and/or thermoplastic acrylic resin, to do the moving ink colouring of binder difficult, the technical problem of serious wire drawing.In a preferred embodiment, in above-mentioned PVC environmental protection pad-transfer printing ink, the solid content (i.e. the non-volatile part content of resin) of described polyester modification TPU(Thermoplastic polyurethanes) is the weight ratio that 34.5 ~ 35.5%(accounts for ink), above-mentioned ink can be made to have excellent bat printing effect, meet the performance requriements of PVC ink.Wherein, in various embodiments of the present invention, described polyester modification TPU(Thermoplastic polyurethanes) is that existing polyester carries out modified product to TPU(Thermoplastic polyurethanes), such as adopt PET, PBT, polyarylester etc. to carry out the modified product obtained by existing physical blending and/or chemically combined mode to TPU(Thermoplastic polyurethanes), object is the characteristic making common TPU(Thermoplastic polyurethanes) also have vibrin.Concrete example is introduced polyester group's after chemical reaction make its characteristic generating existing urethane resin have again the synthesis resin of vibrin characteristic as existing in the building-up process of former urethane resin, i.e. polyester modification TPU(Thermoplastic polyurethanes).
Above-mentioned filler mainly plays filling effect, as filler pigment part.The a little filler of suitable employing, both can reduce the consumption of pigment, reduce costs, again the character of adjustable ink, as rare thick, mobility, ink pellet surface slipping etc.In a preferred embodiment, described filler is polyethylene and teflon-copolymers fines wax, can choose the fines wax that fineness is 9 ~ 10 microns, such as 9.8 microns, 9.5 microns etc.Further, preferred high rigidity polyethylene and teflon-copolymers fines wax, can improve the surface slip of ink better, make printing product surface smooth.
Above-mentioned pigment can choose separately mineral dye or pigment dyestuff, also can by mineral dye and the blended use of pigment dyestuff, and all can be multiple for the selection of mineral dye and pigment dyestuff.Such as can choose at least one in titanium dioxide, carbon black, phthalocyanine blue, phthalein viridescent, diarylide yellow.
Above-mentioned auxiliary agent wide variety, can produce different adjections to ink, those skilled in the art can add use as the case may be.Under above-mentioned ink formulations system, described auxiliary agent preferred dispersants, can soak ink component, disperse, and forms a homogeneous system.In dispersion agent, preferred unsaturated polycarboxylic acid polymers and/or polysiloxane interpolymer, can play good dispersion effect, if choose the unsaturated polycarboxylic acid polymers of lower molecular weight and/or polysiloxane interpolymer, effect can be better.For other auxiliary agent kinds, visual particular case determines whether to add, and does not need the such as defoamer etc. added then not add.
Above-mentioned solvent, mainly may be used for diluting described polyester modification TPU(Thermoplastic polyurethanes).In various embodiments of the present invention, the preferred organic solvent of described solvent.In organic solvent, at least one in preferred pimelinketone, 1-Methoxy-2-propyl acetate, dibasic ester, can dilute described polyester modification TPU(Thermoplastic polyurethanes) so better, and by wetting for other components of described ink mixing.
In addition, above-mentioned PVC environmental protection pad-transfer printing ink can only by above-mentioned binder, filler, pigment, auxiliary agent and solvent composition, wherein, binder main body is polyester modification TPU(Thermoplastic polyurethanes), comprise the Conventional solvents for dissolved polyester modified thermoplastic polyurethane resin mixed, therefore this binder also can be described as polyester modification TPU(Thermoplastic polyurethanes) liquid.Certainly, also can add on above-mentioned ink formulations basis other do not destroy this environmental protection pad-transfer printing ink performance and the Rational Composition except vinyl chloride-vinyl acetate resin of favourable additional effect can be increased, as vegetables oil, mineral oil, wax etc.
Above-mentioned PVC environmental protection pad-transfer printing ink with polyester modification TPU(Thermoplastic polyurethanes) for binder, solve the common ink resin defect that sticking power is bad on PVC stock, the viscosity of polyester modification TPU(Thermoplastic polyurethanes) is low simultaneously, grease resistance is strong, so do not have wire drawing phenomenon in pad-printing process, between the shelf lives, do not have adhesion phenomenon occur.Moreover described PVC environmental protection pad-transfer printing ink does not need to add vinyl chloride-vinyl acetate resin, and the selection of its each raw material all can meet existing ink environmental protection standard, achieve the health of ink, safety, reliably.
Correspondingly, the embodiment of the present invention additionally provides the preparation method of above-mentioned PVC environmental protection pad-transfer printing ink, and the method comprises following preparation process:
S01, take each component respectively according to above-mentioned pad-transfer printing ink formula;
S02, the described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
Particularly, in above-mentioned steps S01, above-mentioned ink formulations at least comprises polyester modification TPU(Thermoplastic polyurethanes), auxiliary agent, filler, solvent and pigment.In actually operating, determine each component concentration as the case may be and take.
In above-mentioned steps S02, grind after each component taken being mixed in S01 step, each operation can at room temperature be carried out.Abrasive tool can adopt three-roller, and other abrasive tools that can realize this grinding object are also applicable to this certainly.For being ground to how fineness, there is relevant fineness requirement this area, can determine as the case may be.
The preparation method of above-mentioned PVC environmental protection pad-transfer printing ink, does not need particular surroundings or specific installation, only can need use in ground and mixed under room temperature environment, and easy control simple to operate is with low cost.
Correspondingly, above-mentioned PVC environmental protection pad-transfer printing ink can be applied in the surperficial bat printing of PVC plastic glue goods.Do not need surface treatment can directly at PVC plastic glue surface bat printing like this, convenient and swift and respond well.
Now with the formula of concrete PVC environmental protection pad-transfer printing ink and be prepared as example, be further elaborated to the present invention, wherein, described fines wax is polyethylene and teflon-copolymers fines wax.
Embodiment 1
Polyester modification TPU(Thermoplastic polyurethanes) 55%, fines wax 0.2%, unsaturated polycarboxylic acid polymers 0.2%, titanium dioxide 38%, pimelinketone 6.6%.
Preparation method: first take each component respectively according to the pad-transfer printing ink formula of embodiment 1; Again the described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
Embodiment 2
Polyester modification TPU(Thermoplastic polyurethanes) 85%, fines wax 0.2%, unsaturated polycarboxylic acid polymers 0.8%, carbon black 8%, pimelinketone 6%.
Preparation method: first take each component respectively according to the pad-transfer printing ink formula of embodiment 2; Again the described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
Embodiment 3
Polyester modification TPU(Thermoplastic polyurethanes) 50%, fines wax 1%, polysiloxane interpolymer and unsaturated polycarboxylic acid polymers 0.1%, diarylide yellow 40%, 1-Methoxy-2-propyl acetate and dibasic ester 8.9%.
Preparation method: first take each component respectively according to the pad-transfer printing ink formula of embodiment 3; Again the described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
Embodiment 4
Polyester modification TPU(Thermoplastic polyurethanes) 90%, fines wax 0.1%, polysiloxane interpolymer 0.1%, phthalocyanine blue 4%, 1-Methoxy-2-propyl acetate 5.8%.
Preparation method: first take each component respectively according to the pad-transfer printing ink formula of embodiment 4; Again the described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
Embodiment 5
Polyester modification TPU(Thermoplastic polyurethanes) 89.5%, fines wax 0.5%, unsaturated polycarboxylic acid polymers 1%, titanium dioxide 4%, 1-Methoxy-2-propyl acetate 5%.
Preparation method: first take each component respectively according to the pad-transfer printing ink formula of embodiment 5; Again the described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
Performance test:
The printing the performance test results of the present embodiment 1 to embodiment 5 is placed in table 1, as follows:
Table 1
Illustrate: the testing standard for above-mentioned 1-8 item test result is respectively: 1. with gloss measurement examination.
2. with reference to BS3900:E6 testing standard.3. can visual judgement hide trickle cut etc.4. test (temperature-20-50 DEG C, humidity 85%, 96 hours) 5. under constant temperature 60 DEG C of conditions with aging tester, printing is pressed the gravity of 5KG place 48 hours.6. with reference to EU2009/48/EC testing standard.7. with reference to PAHS testing standard.8. with reference to GB24613 testing standard.
In consolidated statement 1, data are known, and above-mentioned PVC environmental protection pad-transfer printing ink has good bat printing performance, and meets above-mentioned each environmental protection standard, and be a kind of environment-friendlyink ink, it meets environmental requirement instantly, is suitable for applying.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a PVC environmental protection pad-transfer printing ink, is characterized in that, is made up of the recipe ingredient of following weight percent:
Described binder is polyester modification TPU(Thermoplastic polyurethanes).
2. PVC environmental protection pad-transfer printing ink as claimed in claim 1, it is characterized in that, in described pad-transfer printing ink, the solid content of described polyester modification TPU(Thermoplastic polyurethanes) is 34.5 ~ 35.5%.
3. PVC environmental protection pad-transfer printing ink as claimed in claim 1 or 2, it is characterized in that, described filler is polyethylene and teflon-copolymers fines wax.
4. PVC environmental protection pad-transfer printing ink as claimed in claim 1 or 2, it is characterized in that, described auxiliary agent comprises dispersion agent.
5. PVC environmental protection pad-transfer printing ink as claimed in claim 4, it is characterized in that, described dispersion agent is unsaturated polycarboxylic acid polymers and/or polysiloxane interpolymer.
6. PVC environmental protection pad-transfer printing ink as claimed in claim 1 or 2, it is characterized in that, described solvent is organic solvent.
7. PVC environmental protection pad-transfer printing ink as claimed in claim 6, it is characterized in that, described solvent is at least one in pimelinketone, 1-Methoxy-2-propyl acetate, dibasic ester.
8. the PVC environmental protection pad-transfer printing ink as described in any one of claim 1,2,5,7, is characterized in that, described pigment is pigment dyestuff and/or mineral dye.
9. a preparation method for PVC environmental protection pad-transfer printing ink, is characterized in that, comprises following preparation process:
Each component is taken respectively according to the arbitrary described pad-transfer printing ink formula of claim 1-8;
The described each component taken to be mixed and fully moistening, then grind, obtained PVC environmental protection pad-transfer printing ink.
10. the utilization of the PVC environmental protection pad-transfer printing ink described in any one of claim 1-8 in PVC plastic glue product surface bat printing.
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| CN201310316361.2A CN103382329B (en) | 2013-07-25 | 2013-07-25 | Polyvinyl chloride (PVC) environment-friendly transfer printing ink and preparation method and application thereof |
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| CN105038394A (en) * | 2015-08-03 | 2015-11-11 | 中华制漆（深圳）有限公司 | Environment-friendly transfer printing ink and preparing method and application thereof |
| CN105255256A (en) * | 2015-11-13 | 2016-01-20 | 南雄市星辉化工新材料有限公司 | Environment-friendly one-component high-temperature-steaming-resisting table printing ink and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA1179501A (en) * | 1980-06-27 | 1984-12-18 | Robert C. Fitzer | Dry process for thermal transfer of thermoplastic ink compositions and thermally-transferable ink composition |
| JP2529651B2 (en) * | 1987-06-22 | 1996-08-28 | 大阪シ−リング印刷株式会社 | Thermal transfer ink and thermal transfer sheet using the same |
| CN1348975A (en) * | 2001-11-07 | 2002-05-15 | 朴尚荣 | Printint ink for transferring high-quality picture |
| CN101831049A (en) * | 2010-05-24 | 2010-09-15 | 新东方油墨有限公司 | Modified polyurethane resin and benzene-free and ketone-free composite plastic ink containing same, as well as preparation methods thereof |
| CN102250513B (en) * | 2011-01-19 | 2013-10-02 | 深圳市美丽华油墨涂料有限公司 | Polycyclic aromatic hydrocarbon-free screen printing ink for polyvinyl chloride (PVC) and polycarbonate (PC) materials |
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