CN102186676B - Digital printing plastic containers with improved adhesion and recyclability - Google Patents
Digital printing plastic containers with improved adhesion and recyclability Download PDFInfo
- Publication number
- CN102186676B CN102186676B CN200980141271.6A CN200980141271A CN102186676B CN 102186676 B CN102186676 B CN 102186676B CN 200980141271 A CN200980141271 A CN 200980141271A CN 102186676 B CN102186676 B CN 102186676B
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- Prior art keywords
- container
- digital picture
- ink droplet
- priming coat
- road
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- 238000007639 printing Methods 0.000 title claims abstract description 17
- 239000004033 plastic Substances 0.000 title claims description 19
- 229920003023 plastic Polymers 0.000 title claims description 19
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 48
- 238000000576 coating method Methods 0.000 claims description 41
- 230000037452 priming Effects 0.000 claims description 33
- 239000011248 coating agent Substances 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 239000002390 adhesive tape Substances 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 230000003134 recirculating effect Effects 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims 2
- 229920000573 polyethylene Polymers 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 229920001155 polypropylene Polymers 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 description 7
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010561 standard procedure Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 235000018734 Sambucus australis Nutrition 0.000 description 2
- 244000180577 Sambucus australis Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- OGFXBIXJCWAUCH-UHFFFAOYSA-N meso-secoisolariciresinol Natural products C1=2C=C(O)C(OC)=CC=2CC(CO)C(CO)C1C1=CC=C(O)C(OC)=C1 OGFXBIXJCWAUCH-UHFFFAOYSA-N 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013441 quality evaluation Methods 0.000 description 2
- 239000012508 resin bead Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/34—Coverings or external coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D23/00—Details of bottles or jars not otherwise provided for
- B65D23/08—Coverings or external coatings
- B65D23/0807—Coatings
- B65D23/0814—Coatings characterised by the composition of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
- B41M5/0017—Application of ink-fixing material, e.g. mordant, precipitating agent, on the substrate prior to printing, e.g. by ink-jet printing, coating or spraying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0009—Obliterating the printed matter; Non-destructive removal of the ink pattern, e.g. for repetitive use of the support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2203/00—Decoration means, markings, information elements, contents indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D2565/38—Packaging materials of special type or form
- B65D2565/381—Details of packaging materials of special type or form
- B65D2565/385—Details of packaging materials of special type or form especially suited for or with means facilitating recycling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
Abstract
A container having an external surface with a digital image printed thereon by droplets of ink is provided. The digital image includes a base coat and a secondary coat that is applied to the base coat. In an embodiment, the digital image adheres to the container with an acceptable or sufficient adhesion score and the image is removable using conventional recycling processes. Methods for digitally printing containers and facilitating recycling are also disclosed.
Description
the cross reference of related application
The application's case is advocated the 61/106th of application on October 20th, 2008, the rights and interests of No. 860 U.S. Provisional Patent Application cases, and the mode that described temporary patent application case is quoted in full comprehensively just as stating in this article is incorporated herein.
Technical field
The present invention relates generally to the plastic containers that are printed with digital picture above, especially has the container of improved adhesive force and recirculation characteristic, and the method that relates to for digital printed container and promote to recycle.
Background technology
Goods producer forces at the standard of tagging on the plastic containers of set its product of splendid attire conventionally.Used various tests (comprising some industries standardization tests) to measure and estimate the quality of tag application.Some standard method of test of having used comprise (as an example and unrestricted) ASTM international testing regulation D3359-08 (for measure the standard method of test of adhesive force by adhesive tape test); D5264-98 (standard practice instructions by Sutherland (Sutherland) rubber testing instrument to the wearability of printing material); And F1842-02 (for determining ink in the plastic supporting base of membrane switch applications or the standard method of test of coating adhesion).The normal definition of goods producer should be satisfied test request and result score acceptable so that tagged product is regarded as.
Container manufacturer has been produced the container with digital printed label recently, described digital printed label have enough definition and quality with the technology competition that tags of existing routine, and may replace the routine technology that tags.The example of this type of printing technology is described in the 11/562nd, and in No. 655 U.S. patent application case, described patent application case is incorporated herein by reference.Yet, for many application, the printing images that hope can utilize standard may be used as label to provide, to measure and to assess those.
The container with digital printed label is incorporated into this potential challenge in conventional vessel recirculating process have been occurred.A visible trend between container manufacturer, trade mark owner, end user and government organs is to improve and increase container to recycle achievement.Therefore, will be desirable to provide acceptable container in industry, itself and current recirculation infrastructure and technique are fully compatible, or provide sufficient inducement and/or intensity to realize full industry change.At least, at first, will be desirable to provide the digital printed container that can use current industry standard technique (that is, conventionally comprising the technique that corrosivity high temperature rinses and grinds) to recycle.Thus, exist having the demand of the digital printing plastic containers of digital picture, described digital picture was attached to described container and there is no quality problems in the service life of this container, but can easily remove during recycling plastic technique.
Summary of the invention
The present invention discloses a kind of plastic containers, and it has the outer surface that is printed with digital picture above by ink droplet.Described digital picture comprises priming coat and is applied to described priming coat Er road coating.Embodiments of the invention disclose the container with improved adhesive force and/or recirculation characteristic.In one embodiment, described digital picture is attached to plastic containers, and described digital picture have acceptable or " by " adhesive force score (it is more than 6.0 or 6.0 score for some points-scoring systems).The method that the present invention also discloses for digital printed container and promotes to recycle.
Accompanying drawing explanation
Referring now to accompanying drawing, by the mode of example, embodiments of the invention are described, wherein:
Above Fig. 1 general description, be printed with the side view of a part of the container of digital picture;
Fig. 2 is the general expression that can be used for estimating the acceptable quality evaluation table/matrix of the printing images on container.
The specific embodiment
With detailed reference to embodiments of the invention, the example is described and explanation in the accompanying drawings in this article now.Although describe the present invention in connection with embodiment, should be understood that described embodiment is not intended to make the present invention to be limited to these embodiment.On the contrary, set replacement scheme, modification and the equipollent that can be contained in the spirit and scope of the present invention that define as appended claims of containing of the present invention.
In Fig. 1, explained in general has the part on surface 10 of the container of press figure image 20.Digital picture 20 comprises: priming coat 30, and it can be comprised of a plurality of priming coat ink droplet 32; And two road coatings 40, it is comprised of a plurality of two road coating ink droplet 42.
Priming coat 30 can be by order to applying and/or providing the material of visual characteristic to form of ink droplet to be provided.For some embodiment, priming coat 30 can comprise white and/or colourless part.In an embodiment of the present invention, at very first time t
1place and in the first temperature T
1under, to major general's the first priming coat 30, be applied to the surface of container.Temperature T
1in the temperature range applying in the priming coat that is applicable to be associated.In one embodiment, priming coat 30 can be can ultraviolet ray (UV) curing, and further can before applying two road coatings, solidify.
Two road coatings 40 can be comprised of a plurality of two road coating ink droplet 42 that are distributed at least a portion of priming coat 30.A plurality of two road coating ink droplet 42 can form a part that applies pattern jointly, described in apply pattern and can form again all or part of of digital picture.In addition,, as general description in Fig. 1, some parts of one or more contiguous two road coating ink droplet 42 can overlap each other or mix.Two road coatings 40 and can comprise various known color as component Er road coating ink droplet 42, including but not limited to basic print color, for example cyan, magenta and yellow.In addition, control the overlapping of some color in some region or combination can provide extra " technique " color.In addition, two road coating ink droplet 42 can be curable.For instance, the curable Er of UV road coating ink droplet can form all or part of of the digital picture wanted.Depending on application, these two roads coating ink droplet can have different diameters, its can (for example) in the scope from approximately 10 microns to approximately 200 microns.Can be at the second time t
2place and in the second temperature T
2xia Jiang bis-road coatings 40 are applied to the surface 10 of container, wherein apply the second temperature T of two road coatings 40
2be usually less than the first temperature T that applies priming coat 30
1.
In an embodiment of the present invention, apply priming coat and apply time (for example, the t between two road coatings
2deduct t
1) can reduce (for example) to few to below ten seconds or ten seconds.For some embodiment, application time is poor will be at two seconds in six seconds.In addition, in an embodiment, the temperature Yu Jiang bis-road coatings 40 that apply priming coat 30 can be applied to and apply temperature difference (that is, T between the temperature of a part of priming coat 30
1deduct T
2) control as being equal to or less than approximately 10 °F.For some embodiment, applying temperature difference will be in approximately 5 °F to approximately 10 °F.In addition, for some application, possible desired modifications and the temperature that applies priming coat 30He bis-road coatings 40 and be associated, make to apply accordingly temperature more approaching, that is, temperature difference between applied coating is reduced or reduce to minimum.This can (for example) realize in the following manner: (a), reduce/reduce T
1; (b) T, raises/increases
2; Or (c), combination (a) and (b).This type of time with respect to priming coat He Er road coating noted earlier and/or temperature are controlled can realize gained press figure image better adhering to respect to container.
Note, except time and temperature, irradiation level is also the factor that can affect effective curing degree of printing images.That is to say, for example, for some time (, t
1and t
2) and temperature (for example, T
1and T
2), can there is irradiation level (that is, the ε being associated
1and ε
2).For instance, in an embodiment, priming coat can be at irradiation level ε
1lower solidifying, and the Er road coating that is associated can be at irradiation level ε
2lower solidifying.In addition, in an embodiment, the combination that effectively curing degree can be based on time, temperature and irradiation level, irradiation level can be provided by following equation substantially:
Irradiation level (ε)=(d φ/dA)
Wherein, φ=irradiation flux (take watt as unit measurement), and
A=area (cm
2)
(and unrestricted) for instance, for some embodiment, the scope of irradiation level will be at approximately 0.1 watt/cm
2with approximately 10.0 watts/cm
2between.
Container related to the present invention (comprising bottle) for example, is comprised of plastic material (, PET, HDPE, PP, PE etc.).Described container can be single or multiple lift container, and can use various conventional forming techniques (including but not limited to blowing, hot forming etc.) to form.In one embodiment, outermost layer/surface is comprised of pure plastic material.But note, according to the present invention, the container of teaching can comprise the recirculation composition of a certain percentage, comprises less percentage (for example,, below 20% or 20%) in the skin of container.
For some application, for example, for example, using in the situation of curable ink (, UV curable ink), can after each corresponding print station, solidify related coatings or ink.(and unrestricted) for instance, the embodiment of technique can comprise at least in part: apply priming coat; Curing schedule; Apply two road coatings; And curing schedule.Or also, as an example and unrestricted, described technique can comprise at least in part: apply priming coat; Curing schedule; Apply priming coat; Curing schedule; Apply two road coatings; And curing schedule.In addition,, for embodiments of the invention, may wish the production/follow-up disposal speed of container/bottle with the flow process of the printing press being associated/processing speed coupling or mate substantially.
In addition, having found can be by the one or more quality of controlling at least in part and/or improving press figure image in following technology:
(a) select and/or calibrate ink setting;
(b) control substrate (that is, vessel surface) temperature; And/or
(c) SECO.
About selecting and/or the setting of calibration ink, this is (at least in part) by selecting and/or calibrate to comprise that the ink of priming coat He Er road coating realizes.Find, can select used ink that desired time and/or temperature characterisitic are provided, comprise with combination relative to each other.For instance, some ink of selecting to have given viscosity can represent or provide some desired temp-related effect.
About the control of substrate (that is, vessel surface) temperature, can or control to a certain measuring by the Temperature Treatment of the relevant portion of sidewall (or other parts of container).For instance, can pretreating containers give certain portions.Can use various known technologies, can, including but not limited to flame, corona and Cement Composite Treated by Plasma, promote this pretreatment.Yet, the invention is not restricted to described specific preconditioning technique.
With respect to SECO, the time being associated with the movement of container, for example, by special purpose machine tool, and the sequential that applies priming coat and/or two road coatings, can be controlled.The production of container/bottle/follow-up disposal speed is mated or is mated and want substantially with flow process/processing speed of the printing press being associated.
The present invention also comprise a kind of for assessment of or estimation there is the system of " acceptability " (for example business acceptable) of the container of digital printed image (for example digital printed label).That is to say, for embodiments of the invention, for assessment of or estimation system " adhesive force score " can be provided.Fig. 2 briefly represents can be in order to the acceptable quality evaluation table/matrix of the printing images on assessment or estimation container.As shown in summarizing, Y-axis can relate to totally by or the numeral that is not associated by score.In the illustrated embodiment, numeral 1 to 5 indication container is unacceptable, and the container that numeral 6 to 9 indications are associated is acceptable.Importantly to note, although with respect to this table/matrix, be at least 6 score will " by " as acceptable, the particular table/matrix shown in the invention is not restricted to, and alternatively, at needs or score more runs can be provided more if desired and/or can raise or reduce and pass through score.A plurality of tests are provided in the row that provide in X-axis, and it can comprise various standard testings, comprises previously described test.(and unrestricted) for instance, test 1 can comprise " Sutherland rubber testing ", and test 2 can comprise " 3M #610 adhesive tape test ", and test 3 can comprise " simulation shipment test ", and test 4 can comprise " 3M #810 adhesive tape test ".As summarize shown in table, various by or by indication, can not note test and expression on table in conjunction with each.With respect to the several test in " standard " noted earlier test, can suitably revise described test to use in conjunction with the printing images contrary with the label applying in a conventional manner.For instance, for various " adhesive tape " test (it can follow ASTM D 3359-08 standard), can relate to or can not relate to before applying pressure sensitive adhesive tape with the test of described table/matrix correlation connection and cut digital picture part with cutting tool.That is to say, in one embodiment, as long as can not be by cross-cut or otherwise separated with container through the part of the digital picture part of the container of tested person, " test 2 " can relate to " modified " 3M#610 adhesive tape test.In addition, for the table of stating in Fig. 2, with respect to directly put into practice modified ASTM standard adhesive tape test (that is, described test does not relate to cross-cut/separation) " by " indication conventionally will be by being not more than 2.0mm
2any removal partly represent.With respect to directly in accordance with the adhesive tape test of ASTM standard, " by " indicate normally classification " 4B " or " 5B " (under ASTM, Fig. 1 of adhesive force test result classification), or comprise and remove the printing area that is less than 5%.
In one embodiment, be desirable to provide a kind of container with press figure image, described press figure image is at least by modified 3M #610 adhesive tape test, and is still " can recycle ".If be printed on digital picture on container, use ASTM D 3359 standard #810 adhesive tape tests are realized and are less than " 4B " classification (that is, area more than 5% or 5% be removed), so described digital picture is regarded as " can recycle ".Have by testing 2 (modified 3M #610 adhesive tape tests) and test 3 (simulation shipment test) but not the container of digital picture by testing 4 (3M #810 adhesive tape tests) by the adhesive force score that obtains 6.0 or 7.0.(this type of container with the printing images of 6.0 or 7.0 adhesive force score is commercially applicable to shipment, by simulation, load and transport test), but the advantageously separated adhesive force that for the printing images of follow-up recirculation is associated enough with concerning normal/set use is provided simultaneously.In other words, the adhesive force being associated with the digital picture being configured is enough strong for calculated use, but does not hinder the separation during recirculation.
With respect to this table/matrix, can abundant (for example, remarkable or representative in the statistics) sampling based on to container carry out each test.After completing all tests, result can be made to table, and be input in table/matrix, so that " adhesive force " score to be provided.Then can make the scores that is associated interrelated.
The present invention especially can realize improved recyclability.(and unrestricted) for instance, can remove the have digital printed image container of (it can be formed by the UV curable ink solidifying) expediently in conjunction with conventional recycling plastic technique.By convention, the industry standard recirculating process of plastic containers comprises: container is ground to form to granular plastic tab; Make these thin slices stand high heat corrosivity developing technique; Make the thin slice through cleaning dry; Classification; And be squeezed into resin beads for resaling.For embodiments of the invention, after grinding technics, the digital picture on container is attachable to resin flake, during high heat corrosivity developing technique, described digital picture will be separated with resin flake substantially, thereby do not pollute to be formed, be the clean resin thin slice of resin beads.
Presented for the purpose of illustration and description the above description to specific embodiment of the present invention.Do not wish that described description is detailed or limit the invention to disclosed precise forms, and according to above teaching, various modifications and variations are all possible.Selecting and describing described embodiment is in order to explain principle of the present invention and practical application thereof, thereby makes those skilled in the art utilize the present invention and various embodiment to be suitable for the various modifications of desired specific use.Scope of the present invention is set to be defined by appended claims and equipollent thereof.
Claims (17)
1. can a recycled plastic container, it comprises:
Outer surface, it has by ink droplet and is directly printed on the digital picture on this outer surface of described container, and described digital picture has 6.0 or 7.0 adhesive force score;
Described digital picture by the one or more combination in following technology to control and/or to improve described digital picture, described technology comprises to be selected and/or calibrates ink She Zhi ﹑ ink droplet apply sequential or control underlayer temperature, and described digital picture is configured to:
By modified 3M#610 adhesive tape test and simulation shipment test, and by 3M#810 adhesive tape test, do not indicated described digital picture to there is 6.0 or 7.0 adhesive force score, wherein said digital picture has 6.0 or 7.0 adhesive force score has indicated and describedly can commercially be applicable to shipment by recycled plastic container, and the digital picture described in simultaneously with 6.0 or 7.0 adhesive force score is conducive to during recirculating process with described can recycled plastic container separated.
2. container according to claim 1, wherein said digital picture comprises:
Priming coat, it comprises a plurality of curing priming coat ink droplet, and
Two road coatings, it comprises a plurality of curing Er road coating ink droplet, and described two road coatings are applied at least a portion of described priming coat.
3. container according to claim 2, wherein, when described two road coatings are applied to described priming coat, the temperature difference between described priming coat and described two road coatings is less than 10 ℉.
4. container according to claim 1, wherein said container comprises base part, sidewall sections, shoulder part and neck part, and described neck partly comprises dispense aperture.
5. container according to claim 2, wherein said priming coat comprises white or colourless part.
6. container according to claim 2, one of them or above contiguous two road coating ink droplet are overlapping or mix.
7. container according to claim 2, wherein said two road coating ink droplet are coloured.
8. container according to claim 7, wherein said color comprises one or more in following color: cyan, magenta and yellow.
9. container according to claim 2, wherein said two road coating ink droplet have different diameters.
10. container according to claim 9, the described diameter of wherein said two road coating ink droplet is in the scope of 10 microns to 200 microns.
11. containers according to claim 1, one or more form of wherein said container in following material: polyethylene, PET, high density polyethylene (HDPE) and polypropylene.
12. containers according to claim 1, wherein said container is laminated vessel.
13. containers according to claim 1, the plastic material that wherein said container comprises recirculation.
14. containers according to claim 13, the outermost layer of wherein said container has the composition of recirculation, and the composition of described recirculation is below 20% or 20%.
15. containers according to claim 2, wherein said priming coat He Er road coating ink droplet is solidified through UV.
16. 1 kinds can recycled plastic container, and it comprises:
Outer surface, it has by ink droplet and is directly printed on the digital picture on this outer surface of described container, and described digital picture comprises:
Priming coat, it comprises a plurality of digital printed and curing priming coat ink droplet, and
Two road coatings, it comprises a plurality of curing digital printed Er road coating ink droplet, and described two road coatings are applied at least a portion of described priming coat,
Wherein said priming coat is to put on the very first time and described two road coatings are to put on for the second time; And
Wherein said digital picture is by the one or more combination in following technology to control and/or to improve the described digital picture of printing, and described technology comprises to be selected and/or calibration ink is established and put ﹑ ink droplet and apply sequential or control underlayer temperature; Described digital picture is configured to by modified 3M#610 adhesive tape test, and is configured to during recirculating process separated substantially with the remainder of described container.
17. containers according to claim 16, wherein said digital picture is configured to not by standard 3M#810 adhesive tape test.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10686008P | 2008-10-20 | 2008-10-20 | |
| US61/106,860 | 2008-10-20 | ||
| PCT/US2009/061238 WO2010048119A1 (en) | 2008-10-20 | 2009-10-20 | Digital printing plastic containers with improved adhesion and recyclability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102186676A CN102186676A (en) | 2011-09-14 |
| CN102186676B true CN102186676B (en) | 2014-12-03 |
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| CN200980141271.6A Active CN102186676B (en) | 2008-10-20 | 2009-10-20 | Digital printing plastic containers with improved adhesion and recyclability |
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| Country | Link |
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| US (1) | US20100096386A1 (en) |
| EP (1) | EP2349730A4 (en) |
| JP (2) | JP2012506349A (en) |
| KR (1) | KR20110073594A (en) |
| CN (1) | CN102186676B (en) |
| AU (1) | AU2009307758C1 (en) |
| BR (1) | BRPI0920149A2 (en) |
| CA (1) | CA2738808A1 (en) |
| MX (1) | MX2011004208A (en) |
| RU (1) | RU2560871C2 (en) |
| WO (1) | WO2010048119A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2009307758B2 (en) | 2015-08-13 |
| BRPI0920149A2 (en) | 2015-12-22 |
| AU2009307758C1 (en) | 2016-07-21 |
| WO2010048119A1 (en) | 2010-04-29 |
| EP2349730A1 (en) | 2011-08-03 |
| KR20110073594A (en) | 2011-06-29 |
| MX2011004208A (en) | 2011-05-24 |
| RU2011120183A (en) | 2012-11-27 |
| JP2015057357A (en) | 2015-03-26 |
| US20100096386A1 (en) | 2010-04-22 |
| AU2009307758A1 (en) | 2010-04-29 |
| RU2560871C2 (en) | 2015-08-20 |
| EP2349730A4 (en) | 2012-10-10 |
| CN102186676A (en) | 2011-09-14 |
| CA2738808A1 (en) | 2010-04-29 |
| JP2012506349A (en) | 2012-03-15 |
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