CN105023504B - A kind of non-constricted can wash plastic label and preparation method thereof - Google Patents
A kind of non-constricted can wash plastic label and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of non-constricted can wash plastic label and preparation method thereof; the non-constricted of the present invention can wash plastic label; including plastics facestock layer, the lower surface of plastics facestock layer is compounded with working lining, protective layer and moisture absorption layer successively, the dynes per centimeter of the plastics plane materiel layer surface tension >=40.And the preparation process of label of the present invention is simple, convenient for Quality Control.The non-constricted of the present invention, which can wash plastic label and can be contacted using water based adhesive with moisture absorption layer, is bonded to glass, plastics or metal vessel surface, can also be applied to gluing adhesive material surface.
Description
Technical field
The present invention relates to label material fields, and specifically, plastic label and its preparation side can be washed by being related to a kind of non-constricted
Method.
Background technology
In the prior art, it is mostly to shrink that plastic label can be washed that can wash plastic film label.The plastics plane materiel of label
Layer composite pressure-sensitive adhesive directly below overcomes pressure sensitive adhesive glutinous on bottle using convergent force of the plane materiel in 50 ~ 90 DEG C of lye
Power is tied, label is made to depart within a very short time with bottle, target effect is washed so as to reach.This contraction, which can wash plastic label, to be made
Plane materiel is mainly shrinking percentage and the more moderate heat-shrinkage material of convergent force, can also apply heat shrink films and general thin
Compound or co-extrusion material.The selection of pressure sensitive adhesive is key factor, it is ensured that can quickly be eluted after ageing-resistant for a long time, is not residual
Glue.
But if selection is improper, usually in scouring processes, since pressure sensitive adhesive is less than the cohesive force of plastic film material
Its cohesive force to bottle then be easy to cause de- mark residue glue risk.
Therefore, it is suitble to the glass such as beer, food, plastics, efficiently the high humidity labeling environment labelled on metal base, labeling speed
Degree, good ink adhesion and meet the non-constricted of characteristic of the drinks body such as beer and can wash plastic label and become main research
Direction.
The content of the invention
To solve the problems, such as that above-mentioned label in the prior art easily takes off mark residue glue in cleaning process, the present invention provides a kind of
Non-constricted can wash plastic label and preparation method thereof.The label of the present invention is in cleaning, without taking off label by heat shrinkable
Fall.
The present invention solve its technical problem solution be：A kind of non-constricted can wash plastic label, including plastics plane materiel
Layer, the lower surface of plastics facestock layer are compounded with working lining, protective layer and moisture absorption layer successively, and the plastics plane materiel layer surface tension >=
40 dynes per centimeters, the working lining are aluminium film or silicon fiml.
So when washing mark, moisture absorption layer fully absorbs alkaline cleaning fluid, destroys protective layer, gradually infiltrates working lining, make work
Make the aluminium in layer or silicon and redox reaction occurs with the hydroxyl in cleaning solution, release hydrogen generates tension, by label and its
Accompanying chamber wall is removed, and is shunk without plastics facestock layer.
Plastics facestock layer for it is well known in the art available for plastic label make plastic film material, as PET,
PVC films etc., it is preferable that the shrinking percentage ＜ 2% of the plastics facestock layer, shrinkage temperature are 0-80 DEG C, it is so de- when marking substantially without
It shrinks, possesses ink and be resident effect, avoid the pollution to wash bottle liquid.
In order to facilitate forming label, it is preferable that the plastics plane materiel layer thickness is 20-100 μm.
In order to which with antiforge function or with better decorative effect, the plastics facestock layer lower surface is equipped with radium-shine
Grating.
Working lining is mainly the film layer formed by pure aluminum or silicon close-packed arrays, using aluminium or silicon, in alkaline condition
Under, can react release hydrogen with OH-, and wherein main component is mixed into for aluminium or silicon or suitably other elements.Work
Making layer can be by being deposited, being vapor-deposited, being coated with or prepared by mode of printing, it is preferable that the working lining and plastics facestock layer
Binding strength >=5 grade；The work layer thickness of formation is 300-600.
Protective layer is aluminium film or silicon fiml oxidation in daily storage in order to prevent or transportational process, while prevents glue from penetrating into
Corrosion aluminium film or silicon fiml, preferably described protective layer are formed by acrylic polyol Graft Epoxy Resin, the polyalcohol
Acrylate moiety acid value >=40mgKOH/g of acrylic acid-grafted epoxy resin, epoxide equivalent 1600-4000g/eq are dissolved in
Alcohol and water.
Prepared by the hydrophilic coating that the absorbable moisture of those skilled in the art's resin may be employed in moisture absorption layer, such as acrylic acid
Coating etc..Preferably, the moisture absorption layer is formulated by the raw material of following weight content：The PVA of 12 ~ 24wt%, 42 ~ 72wt%
Graft starch, the casein acid of 6 ~ 13wt%, the acrylic resin of 10 ~ 21wt% and the Sodium Polyacrylate of 0.01 ~ 10wt%；So
During label use, the ammonia and water that can preferably release in absorbent binder agent.
Another aspect of the present invention, the preparation method of plastic label can be washed by additionally providing a kind of non-constricted, including following step
Suddenly：
The first step：It is prepared by plastics facestock layer：
1.1 prepare thickness as 20-100 μm of plastic film；
If 40 dynes per centimeters of surface tension ＜, corona is carried out to its surface for the surface tension of 1.2 detection plastic films
Or coating processing, make the dynes per centimeter of its surface tension >=40；Sided corona treatment generally use high-frequency alternating current is pressed in 5000-
15000V/ ㎡ carry out corona discharge on plastic basis material surface, and substrate surface is made to generate radical reaction and hand over polymer
Connection, these gas ions increase material surface performance requirement by shocking by electricity and penetrating into material damage its molecular structure, so as to reach；
Coating processing, mainly by the way that the coating of surface tension, such as crane span structure agent can be changed in film surface coating, so that film
Surface nature changes, and reaches requirement.Without processing if the dynes per centimeter of film surface tension >=40.
Second step：It is prepared by working lining：One layer of working lining is prepared by vapor deposition mode in the lower surface of plastics facestock layer,
It is described vapor deposition be by vacuum equipment vacuum degree be 1 × 10-4-6.0×10-2Kpa, vapor deposition temperature are 800-3000 DEG C, vapor deposition
Speed is≤20 meter per seconds, and metallic aluminium of the purity more than 98% or monocrystalline silicon are vaporized on to the lower surface of plastics plane materiel, evaporation thickness
Control is in 300-600；
3rd step：It is prepared by protective layer：Below working lining, acrylic polyol Graft Epoxy Resin is coated with, it is described polynary
Acrylate moiety acid value >=40mgKOH/g of the acrylic acid-grafted epoxy resin of alcohol, epoxide equivalent 1600-4000g/eq, it is solvable
In alcohol and water；Protective layer is dried to obtain after coating；
4th step：It is prepared by moisture absorption layer：By the PVA of 12 ~ 24wt%, the graft starch of 42 ~ 72wt%, the casein of 6 ~ 13wt% is sour,
The Sodium Polyacrylate mixing of the acrylic resin and 0.01 ~ 10wt% of 10 ~ 21wt%, adds in suitable water and/or ethyl alcohol, is configured to
Solid content is the solution of 20-80%, is then≤20 meter per seconds according to coating speed, coating weight 1-30g/ ㎡ are in the following table of protective layer
Face is coated with, and drying forms moisture absorption layer under the conditions of 200 DEG C of ＜.
As being further improved for above-mentioned technical proposal, in the first step, step 1.3 is further included：It will by the way of soft pressure
Different radium rasters are embossed in the lower surface of plastics facestock layer.
The beneficial effects of the invention are as follows：The present invention introduces to work made of aluminium film or silicon fiml by improving label construction
Layer and moisture absorption layer when washing mark, utilize the aluminium in working lining or silicon and of the hydrogen generation of alkaline cleaning fluid reaction release
Container glass of the power accompanying by by label and its changes tradition and washes the de- mark pattern of mark, shunk without label.
Simultaneously because being shunk during de- mark without base material, therefore non-constricted material can be selected as plastics facestock layer, it is so de-
After mark ink will not embrittlement, possess ink and be resident effect, to wash bottle liquid no pollution.
Further, since moisture absorption layer has good hydrophily, label of the invention may be employed water based adhesive and glue
Knot is to vessel surfaces such as glass, plastics or metals, convenient for cleaning, during so as to avoid using traditional pressure sensitive adhesive as binding agent
The de- remaining risk of mark, and pollute few.
The label of the present invention and with splendid moisture-proof water resistance, can ice for a long time；With high intensity, from fortune
Defeated and storage influence；It is suitble to High-Speed Automatic labeling and meets various typographies and innovation calls, and the system of label of the present invention
It is standby simple for process, convenient for Quality Control.The non-constricted of the present invention, which can wash plastic label and can be contacted using water based adhesive with moisture absorption layer, glues
Knot can also be applied to gluing adhesive material surface to glass, plastics or metal vessel surface.
Description of the drawings
Fig. 1 is that the non-constricted of the present invention can wash the structure diagram of plastic label；
Fig. 2 be the non-constricted of the present invention can wash plastic label be processed further structure diagram.
In figure：1st, plastics facestock layer；2nd, aluminium film/silicon film；3rd, protective layer；4th, moisture absorption layer；5th, ink printed layer；6th, electrostatic
Process layer.
Specific embodiment
The technique effect of the design of the present invention, concrete structure and generation is carried out below with reference to embodiment and attached drawing clear
Chu, complete description, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright part of the embodiment rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art is not paying
The other embodiment obtained on the premise of creative work, belongs to the scope of protection of the invention.In another the invention
Each technical characteristic, can be with combination of interactions on the premise of not conflicting conflict.
Embodiment 1
A kind of non-constricted can wash the preparation method of plastic label, include the following steps：
The first step：It is prepared by plastics facestock layer：
1.1 prepare thickness as 20 μm of plastic films；
40 dynes per centimeters of surface tension ＜ of 1.2 detection plastic films using then sided corona treatment is carried out to its surface, make
The dynes per centimeter of its surface tension >=40；
Radium raster is embossed in plastic film lower surface by 1.3 by the way of soft pressure, obtains plastics facestock layer 1.
Second step：It is prepared by working lining：
One layer of aluminum membranous layer is prepared by vapor deposition mode in the lower surface of plastics facestock layer, the vapor deposition is to pass through vacuum
Equipment is 3 × 10 in vacuum degree-3-6×10-2Kpa, vapor deposition temperature are 800-1500 DEG C, and evaporation rate is 8 meter per seconds, by purity
Metallic aluminium more than 98% is vaporized on the lower surface of plastics plane materiel, and evaporation thickness is controlled in 300-400；
3rd step：It is prepared by protective layer：
Below working lining, acrylic polyol Graft Epoxy Resin, the acrylic polyol grafted epoxy tree are coated with
The acrylate moiety acid value of fat is 56mgKOH/g, epoxide equivalent 1600g/eq, dissolves in alcohol and water, is dried to obtain after coating
Protective layer；
4th step：It is prepared by moisture absorption layer：
By the PVA of 24wt%, the graft starch of 44wt%, the casein acid of 10.95wt%, the acrylic resin of 21wt% and
The Sodium Polyacrylate mixing of 0.05wt%, adds in suitable water and/or ethyl alcohol, is configured to the solution that solid content is 80%, then presses
It is 3 meter per seconds according to coating speed, coating weight 5g/ ㎡ are coated in the lower surface of protective layer, and drying forms moisture absorption under the conditions of 80 DEG C
Layer.
Finally, single piece of plastic film label cut, be die cut, packaging and storage after product examine.Obtained label construction is such as
Shown in Fig. 1.
Embodiment 2
A kind of non-constricted can wash the preparation method of plastic label, include the following steps：
The first step：It is prepared by plastics facestock layer：
1.1 prepare thickness as 80 μm of plastic films；
The surface tension of 1.2 detection plastic films, obtains film surface tension>40 dynes per centimeters, without surface treatment；
Radium raster is embossed in plastic film lower surface by 1.3 by the way of soft pressure, obtains plastics facestock layer 1.
Second step：It is prepared by working lining：
One layer of aluminum membranous layer is prepared by vapor deposition mode in the lower surface of plastics facestock layer, the vapor deposition is to pass through vacuum
Equipment is 1 × 10 in vacuum degree-3-6×10-2Kpa, vapor deposition temperature are 2000-3000 DEG C, and evaporation rate is 13 meter per seconds, will be pure
Metallic aluminium of the degree more than 98% is vaporized on the lower surface of plastics plane materiel, and evaporation thickness is controlled in 380-420；
3rd step：It is prepared by protective layer：
Below working lining, acrylic polyol Graft Epoxy Resin, the acrylic polyol grafted epoxy tree are coated with
The acrylate moiety acid value of fat is 44mgKOH/g, epoxide equivalent 3200g/eq, dissolves in alcohol and water, is dried to obtain after coating
Protective layer；
4th step：It is prepared by moisture absorption layer：
By the PVA of 18wt%, the graft starch of 50wt%, the casein acid of 13wt%, the acrylic resin of 12wt% and 7wt%'s
Sodium Polyacrylate mixes, and adds in suitable water, is configured to the solution that solid content is 20%, is then 1 meter per second according to coating speed,
Coating weight 30g/ ㎡ are coated in the lower surface of protective layer, and drying forms moisture absorption layer under the conditions of 180 DEG C.
Finally, single piece of plastic film label cut, be die cut, packaging and storage after product examine.Obtained label construction is such as
Shown in Fig. 1.
Embodiment 3
A kind of non-constricted can wash the preparation method of plastic label, include the following steps：
The first step：It is prepared by plastics facestock layer：
1.1 prepare thickness as 100 μm of plastic films；
The surface tension of 1.2 detection plastic films, obtains film surface tension<40 dynes per centimeters coat on its surface
Acrylic acid crane span structure agent makes 40 dynes per centimeters of surface tension ＞；
Second step：It is prepared by silicon film：
One layer of silicon film is prepared by vapor deposition mode in the lower surface of plastics facestock layer, the vapor deposition is to pass through vacuum
Equipment is 1 × 10 in vacuum degree-4-6×10-3Kpa, vapor deposition temperature are 2500-3000 DEG C, and evaporation rate is 20 meter per seconds, will be pure
Monocrystalline silicon of the degree more than 98% is vaporized on the lower surface of plastics plane materiel, and evaporation thickness is controlled in 450-600；
3rd step：It is prepared by protective layer：
Below working lining, acrylic polyol Graft Epoxy Resin, the acrylic polyol grafted epoxy tree are coated with
The acrylate moiety acid value of fat is 63mgKOH/g, epoxide equivalent 4000g/eq, dissolves in alcohol and water, is dried to obtain after coating
Protective layer；
4th step：It is prepared by moisture absorption layer：
By the PVA of 12wt%, the graft starch of 70wt%, the casein acid of 6wt%, the acrylic resin of 10wt% and gathering for 2wt%
Sodium acrylate mixes, and adds in suitable water and ethyl alcohol, and wherein water and ethyl alcohol volume ratio is 1:1, be configured to solid content be 60% it is molten
Liquid, then according to coating speed be 2 meter per seconds, coating weight 15g/m2It is coated in the lower surface of protective layer, and under the conditions of 100 DEG C
Drying forms moisture absorption layer.
Finally, single piece of plastic film label cut, be die cut, packaging and storage after product examine.Obtained label construction is such as
Shown in Fig. 1.
Fig. 1 shows the label construction schematic diagram of embodiment 1-3, but the non-constricted of the present invention can wash plastic label and may be used also
With other compound layers as needed, as shown in Fig. 2, in the upper surface compound oil ink printing layer 5 of plastic film label；Further
, it can be in ink printed layer upper surface Combined Electrostatic process layer 6 etc..
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (2)
1. a kind of non-constricted can wash the preparation method of plastic label, which is characterized in that include the following steps：
The first step：It is prepared by plastics facestock layer；
1.1 prepare thickness as 20-100 μm of plastic film；
If 40 dynes per centimeters of surface tension ＜, corona or painting are carried out to its surface for the surface tension of 1.2 detection plastic films
Processing is covered, makes the dynes per centimeter of its surface tension >=40；If the dynes per centimeter of surface tension >=40, without processing；
Second step：It is prepared by working lining：Working lining is obtained by vapor deposition in the lower surface of plastics facestock layer, the vapor deposition is by true
Null device is 1 × 10 in vacuum degree-4-6.0×10-2Kpa, vapor deposition temperature are 800-3000 DEG C, and evaporation rate is≤20 meter per seconds,
Aluminium of the purity more than 98% or monocrystalline silicon are vaporized on to the lower surface of plastics plane materiel, evaporation thickness control exists
3rd step：It is prepared by protective layer：Below working lining, acrylic polyol Graft Epoxy Resin, the polyalcohol third are coated with
Acrylate moiety acid value >=40mgKOH/g of olefin(e) acid Graft Epoxy Resin, epoxide equivalent 1600-4000g/eq dissolve in wine
Essence and water；Protective layer is dried to obtain after coating；
4th step：It is prepared by moisture absorption layer：By the PVA of 12~24wt%, the graft starch of 42~72wt%, the casein of 6~13wt%
Acid, the Sodium Polyacrylate mixing of the acrylic resin and 0.01~10wt% of 10~21wt%, adds in suitable water and/or second
Alcohol is configured to the solution that solid content is 20-80%, then according to the meter per second of coating speed≤20, coating weight 1-30g/m2It is protecting
The lower surface coating of layer, and drying forms moisture absorption layer under the conditions of 200 DEG C of ＜.
2. non-constricted according to claim 1 can wash the preparation method of plastic label, it is characterised in that：The first step
In, further include step：
1.3 are embossed in different radium rasters by the way of soft pressure the lower surface of plastics facestock layer.
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| CN201510237538.9A CN105023504B (en) | 2015-05-11 | 2015-05-11 | A kind of non-constricted can wash plastic label and preparation method thereof |
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| CN105023504B true CN105023504B (en) | 2018-06-01 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427743B (en) * | 2015-12-19 | 2018-09-11 | 广东万昌印刷包装股份有限公司 | A kind of plastic label |
| CN106318253B (en) * | 2016-08-22 | 2018-05-22 | 广州市金万正印刷材料有限公司 | A kind of washable removal pressure-sensitive adhesive label and preparation method and application with metal surface |
| CN109473030A (en) * | 2018-09-30 | 2019-03-15 | 上海诗冠印刷有限公司 | A kind of processing method of label |
| CN109532302B (en) * | 2018-12-11 | 2021-05-18 | 嘉兴市豪能科技股份有限公司 | Washable UV metal-like etching printing beer label and preparation method thereof |
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| JPH07134553A (en) * | 1993-11-11 | 1995-05-23 | Kotobuki Seihan Insatsu Kk | Label |
| CN104077960A (en) * | 2014-06-24 | 2014-10-01 | 广东万昌印刷包装有限公司 | Film label and preparation method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100397260C (en) * | 2003-08-15 | 2008-06-25 | 河南天畅防伪包装有限公司 | Holographic colour print antiforge mark and its production technology |
| KR101159687B1 (en) * | 2004-03-31 | 2012-06-22 | 도레이 카부시키가이샤 | Laminated film |
| JP2007079299A (en) * | 2005-09-15 | 2007-03-29 | Dainippon Printing Co Ltd | Hologram label |
| CN101391552A (en) * | 2007-09-21 | 2009-03-25 | 李华容 | Partial aluminium plating method and beer label made by using thereof |
| CN201148016Y (en) * | 2007-12-28 | 2008-11-12 | 嘉兴市豪能包装有限公司 | Washable transparent film self-adhesive label |
| JP2010214797A (en) * | 2009-03-17 | 2010-09-30 | Dainippon Printing Co Ltd | Transfer foil for in-mold, and solid molded article using the same |
| KR20110019514A (en) * | 2009-08-20 | 2011-02-28 | 정원훈 | Hologram pattern film, and the method for making it, and the decorative laminate by it |
| CN102815049B (en) * | 2012-08-16 | 2015-02-25 | 深圳叶氏启恒印刷科技有限公司 | Heat-shrinkable thin film and preparation method thereof |
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- 2015-05-11 CN CN201510237538.9A patent/CN105023504B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07134553A (en) * | 1993-11-11 | 1995-05-23 | Kotobuki Seihan Insatsu Kk | Label |
| CN104077960A (en) * | 2014-06-24 | 2014-10-01 | 广东万昌印刷包装有限公司 | Film label and preparation method |
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Effective date of registration: 20191105 Address after: 528000 Guangdong city of Foshan province Lecong Hengxi town Shunde District fine Sea Road Industrial Area Co-patentee after: Wanchang Printing and Packaging (Shenyang) Co., Ltd. Patentee after: Guangdong Wan Chang printing packaging limited company Co-patentee after: Chengdu Mancheong Packaging Printing Co., Ltd. Co-patentee after: Guangdong Wanchangkeyi Materials Co., Ltd. Co-patentee after: Luoyang Wanchang Printing and Packaging Co., Ltd. Address before: 528000 Guangdong city of Foshan province Lecong Hengxi town Shunde District fine Sea Road Industrial Area Co-patentee before: Wanchang Printing and Packaging (Shenyang) Co., Ltd. Patentee before: Guangdong Wan Chang printing packaging limited company Co-patentee before: Chengdu Mancheong Packaging Printing Co., Ltd. Co-patentee before: Guangdong Wanchangkeyi Materials Co., Ltd. Co-patentee before: Luoyang Wanchang Printing and Packaging Co., Ltd. Co-patentee before: TIANJIN MANCHEONG PRINTING CO., LTD. |
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