CN106318253A - Washable and removable pressure-sensitive adhesive label with metal surface and preparation method and application thereof - Google Patents
Washable and removable pressure-sensitive adhesive label with metal surface and preparation method and application thereof Download PDFInfo
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- CN106318253A CN106318253A CN201610701772.7A CN201610701772A CN106318253A CN 106318253 A CN106318253 A CN 106318253A CN 201610701772 A CN201610701772 A CN 201610701772A CN 106318253 A CN106318253 A CN 106318253A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J127/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers
- C09J127/22—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers modified by chemical after-treatment
- C09J127/24—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Adhesives based on derivatives of such polymers modified by chemical after-treatment halogenated
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/023—Adhesive
- G09F2003/0241—Repositionable or pressure sensitive adhesive
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a washable and removable pressure-sensitive adhesive label with a metal surface and a preparation method and application thereof. The label comprises a PETG/APET thin film base material layer, wherein one surface of the PETG/APET thin film base material layer is coated with a removable pressure-sensitive adhesive, and the PETG/APET thin film base material layer is connected with a substrate through the removable pressure-sensitive adhesive; the other surface of the PETG/APET thin film base material layer is connected with a transferable metal layer through an adhesive. The washable and removable pressure-sensitive adhesive label has the beneficial effects and application that the washable and removable pressure-sensitive adhesive label with the metal surface is adhered to a recyclable container through an automatic labeling machine; after being soaked in warm water with the temperature of 65 to 90 DEG C for 60 to 120 seconds, the label can completely fall off in a manner that no adhesive is retained; the washable and removable pressure-sensitive adhesive label adapts to an automatic production line, and is attractive, anti-counterfeit, safe and environmentally friendly.
Description
Technical field
The present invention relates to the technical field of packaging and label, refer more particularly to a kind of washed shifting with metal surface
Except pressure-sensitive adhesive label and preparation method and application.
Background technology
Label is applied to many commodity, and transmission is about commodity maker and the information of commodity.Along with social economy improves,
The development of packages printing industry, people to product external packaging design, especially label appearance design require top grade, fineness, environmental protection,
Rich personalization, so in label post-press finishing, use in overall or localized heat thermoprint or cold-hot stamping holographic laser effect or
Person's opal located laser effect, the surface finish effect of hot stamping process is liked by people always.Thermoprint mainly has two kinds of functions,
One is surface finish, and the golden or silver-colored picture and text of thermoprint present strong metallic luster, and color glow, not fugitive color, with it
Label surface has been interspersed in the decoration of elegance splendid, exquisite, enhances the artistry of label and commodity thereof, serves prominent main
The effect of publicity of topic, and its bright degree greatly exceed ink bronze printing or print is silver-colored, makes product have the sensation of top grade and to people
Enjoy with aesthetic feeling, substantially increase added value of product；Two are to confer to the higher anti-counterfeiting performance of product, use holographic laser locating thermoprint
Trademark, anti-counterfeiting, guarantor's famous brand.
But after traditional print, hot stamping process is because completing on the narrow printer of its operation after print or thermoprinting machine, and it makes
Cost intensive, especially, can wash the PETG/APET thin film removed in the temperature of not higher than 80 DEG C, and its draw direction presents
Irreversible coil character, will be traditional insurmountable problem of hot stamping process.
The pressure-sensitive adhesive label that paper or thin film are made, is seen everywhere in commodity society, such as medicine, household cleaning products,
Personal-care supplies, motor oil, beverage, wine, flavoring agent etc..Traditional commodity and the label of attaching thereof, be all as product
The digestion of (i.e. content) and container is abandoned together with being affixed on the label on container.So for pressure-sensitive adhesive label and
The most particularly requirement of the performance of adhesive, including adhesive residue requirement on container.
Along with human civilization and the development of industrial automation, save the energy, environment-friendly and green, recycle, sustainable development
Theory, oneself is promoted to the strategic objective of national governments.Container is recycled, the carafe of such as reusable edible,
The beer bottle etc. of reusable edible, when the bottle reclaimed sterilize the most fast and effectively, sterilizing, mark above cleaning, and bottle
How sign according to the fast and effectively sterilization Tong Bu with bottle, sterilizing, cleaning, thus do not increase any many steps and make label
Completely falling off, be different from above-mentioned traditional pressure-sensitive adhesive label, the labeling requirement being attached on the bottle of reusable edible is containing
The hot water of the caustic soda of 1-5% washs, label Automatic-falling, to adapt to the needs that modern automation produces.
CN201280023835.8, CN201280024003.8 disclose a kind of polyesters metallized film, and it is to pass through
Mode in film surface AM aluminum metallization defines the label of aluminium coated on thin film, applies adhesive to the position of adhesive label
Put (i.e. applying adhesive to by the position pasting container).This method is through printing, cross cutting by polyester metallized film
Become individual label, apply adhesive to, by the position pasting container, be then adhered on container (such as beer bottle) by label.
It is less desirable for the automatic production line mode of labelling.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of washed shifting with metal surface
Except pressure-sensitive adhesive label and preparation method and application.
The present invention is to be achieved through the following technical solutions:
The invention provides and a kind of there is washing of metal surface remove pressure-sensitive adhesive label, including:
PETG/APET film substrate layer, and a surface-coated of described PETG/APET film substrate layer has removable pressure
Sensitive adhesive, and described PETG/APET film substrate layer connected by described removable pressure-sensitive adhesive and has substrate；Described
Another surface of PETG/APET film substrate layer is bonded with transferable metal level by adhesive.
Preferably, the thickness of described PETG/APET film substrate layer is 30～60 microns.
Preferably, by weight, proportioning is the composition of described removable pressure-sensitive adhesive: the acrylic acid of 10-30 part
Different monooctyl ester, the butyl acrylate of 30-50 part, the acrylic acid of 10-20 part, the acrylic acid methyl ester. of 40-60 part, the glycerol of 7-10 part,
The ethyl acetate of 80-110 part, the toluene of 80-110 part, the initiator of 3-5 part and the isocyanate crosslinking of 0.7-1.8 part.
Preferably, described adhesive component be vinyl group resin, polyurethanes copolymer, polyolefin copolymers, third
Any one of mixture of olefin(e) acid analog copolymer or above-mentioned material, and the thickness of described adhesive is 0.05 μm-2 μm.
Preferably, at the bottom of described substrate includes PET silicone liner, at the bottom of BOPP silicone liner, at the bottom of Ge Laxin silicone liner, paper-plastic stick silicon
Oil substrate.
Preferably, the coating thickness of described pressure-sensitive adhesive is 10～25 μm.
Preferably, the coating thickness of described pressure-sensitive adhesive is 12～22 μm.
Preferably, described PETG/APET film substrate layer by PTA, EC or dicarboxylic acids or dihydroxylic alcohols through over-churning, polycondensation
React and prepare.
Preferably, described transferable metal level is transferable radium-shine metallic film or transferable smooth silver metal thin film.
Present invention also offers a kind of above-mentioned there is metal surface wash the preparation method removing pressure-sensitive adhesive label,
The method includes:
Make transferable metal level；
By web coatable machine, in the way of coating, adhesive is coated on transferable metal level；
By the drying tunnel of coating machine 12-20m, by described adhesive baking and curing, by the multi-procedure of coating machine by institute
State adhesive to be combined with PETG/APET film substrate layer, rolling；
It is positioned over 45 DEG C of baking the affected part after applying some drugs room ripening 48h.
Preferably, the 12-20m drying tunnel of described coating machine, set up no less than three temperature controlled region, the first 60 DEG C, temperature controlled region,
Two 90 DEG C, temperature controlled region, the 3rd 60 DEG C, temperature controlled region.
Preferably, the transferable metal level of described making particularly as follows:
Using PET, BOPP, CPP thin film as transfer vector, carrier is coated with release layer, printing holographic on release layer
Pattern is as Information Level, and molding laser layer on an information layer, formation laser film, then by the technique of AM aluminum metallization at radium-shine gold
Belong to vacuum aluminum-coated on thin film, described vacuum aluminum-coated be when vacuum is 4 × more than 10-4mba, aluminum metal is heated
To 1200-1400 DEG C of aluminum evaporation, the aluminum atom of evaporation condenses in macromolecule membrane surface, is formed as transferable radium-shine metal foil
Film.
Preferably, the transferable metal level of described making particularly as follows:
Using PET, BOPP, CPP thin film as transfer vector, transfer vector is coated with release layer, vacuum on release layer
AM aluminum metallization, vacuum aluminum-coated is when vacuum is 4 × more than 10-4mba, and aluminum metal is heated to 1200-1400 DEG C
Aluminum evaporation, the aluminum atom of evaporation condenses in macromolecule membrane surface, is formed as transferable smooth silver metal thin film.
Beneficial effects of the present invention and application be: has washing of metal surface and removes pressure-sensitive adhesive label by patch automatically
Marking machine is pasted on the container of reusable edible, especially on the glass container of various shape and/or thermoplastic container, through 65-
90 DEG C of warm water soaking 60-120s, label completely falls off, and adhesive be not dissolved in water neutralize do not shift residue in by patch container
On.It is adapted to automatic production line, attractive in appearance, false proof, safe and environment-friendly.
Accompanying drawing explanation
Fig. 1 be the embodiment of the present invention provide there is metal surface wash the structural representation removing pressure-sensitive adhesive label
Figure.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
Referring to Fig. 1, Fig. 1 is that the washing of metal surface that have that the present invention provides removes pressure-sensitive adhesive label and preparation side
The structural representation of method.
The invention provides and a kind of there is washing of metal surface remove pressure-sensitive adhesive label, including:
PETG/APET film substrate layer 3, and a surface-coated of described PETG/APET film substrate layer 3 has removable
Pressure-sensitive adhesive 2, and described PETG/APET film substrate layer 3 connected by described removable pressure-sensitive adhesive 2 and has substrate 1；
Another surface of described PETG/APET film substrate layer 3 is bonded with transferable metal level 5 by adhesive 4.
In the above-described embodiments, there is washing of metal surface remove pressure-sensitive adhesive label and be pasted on by automatic labeling machine
On the container of reusable edible, through 65-90 DEG C of warm water soaking 60-120s, label completely falls off and does not remain pressure-sensitive adhesive 2,
It is adapted to automatic production line, attractive in appearance, false proof, safe and environment-friendly.
Understand the label that the present embodiment provides for convenience, below in conjunction with the accompanying drawings and it is carried out in detail by specific embodiment
Thin explanation.
A kind of as it is shown in figure 1, the invention provides there is washing of metal surface remove pressure-sensitive adhesive label, including:
PETG/APET film substrate layer 3, and a surface-coated of described PETG/APET film substrate layer 3 has removable pressure-sensitive adhesive
Agent 2, and described PETG/APET film substrate layer 3 connected by described removable pressure-sensitive adhesive 2 and has substrate 1；Described
Another surface of PETG/APET film substrate layer 3 is bonded with transferable metal level 5 by adhesive 4.
Wherein, the thickness of PETG/APET film substrate layer 3 is 30～60 microns.Understand PETG/APET thin film for convenience
It is described in detail by substrate layer 3 below.Wherein, PETG/APET film substrate layer 3 is by PTA, EC or dicarboxylic acids or two
Unit's alcohol prepares through over-churning, polycondensation reaction.
Concrete, common PET thin film is crystalline materials, and it processes the heat that can only obtain less than 30% by special process
Shrinkage factor.To obtain the PET film of high percent thermal shrinkage, then it must be modified.It is to say, it is high in order to prepare
The PET film of percent thermal shrinkage, needs PET is carried out modification by copolymerization.The highest percent thermal shrinkage of the PET film after modification by copolymerization can be high
Reach more than 70%.The unformed PET film (PETG or APET) of modification by copolymerization is bigger than common crystallization type PET film percent thermal shrinkage
Much.Therefore, just can reach to be greatly improved the purpose of film shrink rate by the unformed area of orientation in increase thin film.This
Plant PETG or APET film shrink mainly to be contributed by the unformed part being orientated.The unformed PET film of modification by copolymerization
(PETG or APET) is more much bigger than common crystallization type PET film percent thermal shrinkage.
Common PET thin film is to be prepared through over-churning, polycondensation reaction by PTA Yu EC, belongs to Crystalline plastics.Described
Modification by copolymerization is just in addition to outside PTA and EC2 kind component, is re-introduced into the 3rd the even the 4th component and participates in copolymerization, it is therefore an objective to is allowed to
Generate asymmetric molecular structure, destroy or weaken its crystallinity, and forming unformed PET copolymer.
Can be dicarboxylic acids or dihydroxylic alcohols by introducing the 3rd the even the 4th component.Wherein, dicarboxylic acids has isophthalic two
Formic acid, malonic acid, succinic acid, adipic acid, decanedioic acid etc.；Dihydroxylic alcohols has neopentyl glycol, propylene glycol, diethylene glycol, Isosorbide-5-Nitrae-hexamethylene
Alkane dimethanol etc..If carry out modification by copolymerization with dihydroxylic alcohols (Glycolic), obtained PET copolymer, the most referred to as PETG；
During as carried out modification by copolymerization with dicarboxylic acids (Acidic), obtained PET copolymer, referred to as APET.
In the 3rd component introduced, the Second Academy's carboxylic acid being most frequently with is M-phthalic acid (IPA).The addition of IPA can change
The symmetrical tight structure of PET, destroys the regularity of macromolecular chain, thus reduces the active force between macromole so that PET divides
It is submissive that minor structure becomes comparison.Simultaneously as the introducing of IPA, PET is made to be difficult to nucleation and crystallization, and along with the increasing of IPA introduction volume
Adding, the crystallizing power of APET declines, and unformed area becomes big, therefore can be used for manufacturing high-shrinkage thin-film.The addition quality recommending IPA is divided
Number is advisable about 20%.
The 3rd component introduced can also be dihydroxylic alcohols, and the most frequently used dihydroxylic alcohols is Isosorbide-5-Nitrae-cyclohexane dimethyl carbinol (CHDM).
During polyethylene terephthalate copolymer, add CHDM and the Tg, Tm and crystalline rate that change polyester all can be had a huge impact.Along with
The increase of CHDM content, the fusing point of copolyesters PETG declines, vitrification point rises, copolymer just becomes amorphous structure.No
Crossing, the addition of Isosorbide-5-Nitrae-cyclohexane dimethyl carbinol (CHDM) must control in suitable scope, generally recommends CHDM to add quality and divides
Number is (30～40) %.This PETG cannot be only used for preparing high-shrinkage thin-film, it is also possible to produces hot sealer, high transparency diaphragm
Deng, its purposes is quite varied.
It is worth mentioning that this PETG film shrink is mainly contributed by the unformed part being orientated.This be also for
The unformed PET film (APET or PETG) of what modification by copolymerization is more much bigger than common crystallization type PET film percent thermal shrinkage
Reason.Concrete PETG thin film is in the case of not higher than 80 DEG C of hot water treatment 20s, and its draw direction presents irreversible volume
Bent.
Additionally, this APET/PETG film clarity is 90-98%, its hiding rare of thin film of white is 90-98%.This
Bright is that its hiding rare can be higher plus aluminizing or radium-shine metal level in transparent or white film, so stating by opacity,
It is transparent and white because covering again, so being defined to opacity is 80-100%.
In a specific embodiment, transferable metal level 5 is transferable radium-shine metallic film or transferable light silver gold
Belong to thin film.As a example by transferable radium-shine metallic film, this PETG/APET film substrate layer 3 has A surface and B surface, described A
Surface is coated with adhesive 4 as tack coat；Described B surface is coated with removable pressure-sensitive adhesive 2；Described A surface bonds
The layer transferable radium-shine metallic film of surface recombination；Transfer laser layer carrier is removed on described A surface, and is printed with business on radium-shine layer
Mark on a map case；Described B surface is compounded with substrate 1, this substrate 1 includes at the bottom of PET silicone liner 1, at the bottom of BOPP silicone liner 1, Ge Laxin silicone oil
At the bottom of substrate 1, paper-plastic stick silicone liner 1.Described A surface and B surface form label by cross cutting；The pressure-sensitive adhesive of described B surface
Agent 2 is pasted on container；Described A surface and B surface and container thereof are soaked in 60-120s in 65-90 DEG C of warm water, described in there is radium
Reflective surface can be washed and be removed pressure-sensitive adhesive label and completely fall off.
By weight, proportioning is the composition of removable pressure-sensitive adhesive 2 therein: the acrylic acid of 10-30 part is different pungent
Ester, the butyl acrylate of 30-50 part, the acrylic acid of 10-20 part, the acrylic acid methyl ester. of 40-60 part, the glycerol of 7-10 part, 80-
Ethyl acetate, the toluene of 80-110 part, the initiator of 3-5 part and the isocyanate crosslinking of 0.7-1.8 part of 110 parts.
Adding isocyanates 0.7-1.5 part in the composition of pressure-sensitive adhesive 2 therein, isocyanates is as acrylate glue
The cross-linking agent of stick, is also the important intermediate of organic synthesis thing.By the crosslinking of isocyanates, the acrylic acid in composition can be made
Molecule between each monomer is full cross-linked, so that the creep resistance of pressure-sensitive adhesive layer significantly improves, it is achieved that of the present invention
Pressure-sensitive adhesive do not shift residue in by patch container on purpose；Meanwhile, important by the organic synthesis thing of isocyanates
Intermediate performance, strengthens the pressure-sensitive adhesive 2 throwing anchor-hold to PETG/APET film substrate layer 3, makes pressure-sensitive adhesive 2 stick base power
Increase, thus strengthen pressure-sensitive adhesive of the present invention and do not shift the ability residued in by patch container.
And be polymerized with acrylic ester monomer by ethyl acetate and toluene, make the pressure-sensitive adhesive of preparation have resistance to water-soluble
Xie Xing, so that adhesive is not dissolved in water.
When specifically making, the coating thickness of pressure-sensitive adhesive 2 is 10～25 μm.Preferably coating thickness is 12～22 μ
m.It is furthermore preferred that this coating thickness is 18～20 μm.
Adhesive 4 composition therein is vinyl group resin, polyurethanes copolymer, polyolefin copolymers, acrylic acid
Any one of mixture of analog copolymer or above-mentioned material, and the thickness of described adhesive 4 is 0.05 μm-2 μm.Specifically
, its composition can be:
Embodiment 1 adhesive component is:
Solid content 75% polyurethane adhesive 3-8 part
Solid content 60% firming agent 0.5-1.5 part
Ethyl acetate 6-10 part
Embodiment 2 adhesive component is:
Embodiment 3 adhesive component is:
In addition to the composition that above-described embodiment 1, embodiment 2 and embodiment 3 are enumerated, this adhesive can also setting for other
Determine composition.
By foregoing description it can be seen that can wash disclosed in the embodiment of the present invention and remove pressure-sensitive adhesive label and have holographic anti-
Pseudo-radium-shine surface；The washing of radium-shine surface that have of the present invention removes pressure-sensitive adhesive label and is pasted on can be followed by automatic labeling machine
On the container that ring utilizes, through 65-90 DEG C of warm water soaking 60-120s, label completely falls off and not adhesive residue, is adapted to automatically
Change production line, attractive in appearance, false proof, safe and environment-friendly.
The embodiment of the present invention additionally provide a kind of above-mentioned there is metal surface wash the system removing pressure-sensitive adhesive label
Preparation Method, the method includes:
Make transferable metal level；
By web coatable machine, in the way of coating, adhesive is coated on transferable metal level；
By the drying tunnel of coating machine 12-20m, by described adhesive baking and curing, by the multi-procedure of coating machine by institute
State adhesive to be combined with PETG/APET film substrate layer, rolling；
It is positioned over 45 DEG C of baking the affected part after applying some drugs room ripening 48h.
Wherein, the 12-20m drying tunnel of described coating machine, set up no less than three temperature controlled region, the first 60 DEG C, temperature controlled region, second
90 DEG C, temperature controlled region, the 3rd 60 DEG C, temperature controlled region.
Additionally, when specifically making, this transferable metal level can be transferable radium-shine metallic film or transferable light silver
Metallic film, therefore this transferable metal level has two kinds of preparation methoies, is respectively as follows:
Radium-shine: using PET, BOPP, CPP thin film as transfer vector, carrier is coated with release layer, release layer prints
Hologram pattern is as Information Level, and molding laser layer on an information layer, formation laser film, then by the technique of AM aluminum metallization at radium
Penetrate on thin film vacuum aluminum-coated, described vacuum aluminum-coated be when vacuum is 4 × more than 10-4mba, by aluminum metal heat
To 1200-1400 DEG C of aluminum evaporation, the aluminum atom of evaporation condenses in macromolecule membrane surface, is formed as transferable radium-shine metal foil
Film.
When specifically preparing, using PET, BOPP, CPP thin film as transfer vector, carrier is coated with release layer, release
On layer, printing holographic pattern is as Information Level, and molding laser layer (is molded with hot moulding and the 65-75 of 80-110 DEG C on an information layer
DEG C cold forming), then by the technique of AM aluminum metallization on radium-shine layer, vacuum aluminum-coated is to be 4 × more than 10-4mba in vacuum
State under, aluminum metal is heated to 1200-1400 DEG C of aluminum evaporation, the aluminum atom of evaporation condenses in macromolecule membrane surface, shape
Become transferable radium-shine metallic film.The thickness of its film substrate layer is 6-15 μm.The thickness of its aluminium coated is 30-65nm.
Light silver: using PET, BOPP, CPP thin film as transfer vector, is coated with release layer, on transfer vector on release layer
AM aluminum metallization, vacuum aluminum-coated is when vacuum is 4 × more than 10-4mba, and aluminum metal is heated to 1200-1400 DEG C
Aluminum evaporation, the aluminum atom of evaporation condenses in macromolecule membrane surface, is formed as transferable smooth silver metal thin film.
When specifically preparing, using PET, BOPP, CPP thin film as transfer vector, carrier is coated with release layer, Vacuum Deposition
Aluminum is when vacuum is 4 × more than 10-4mba, and aluminum metal is heated to 1200-1400 DEG C of aluminum evaporation, evaporation
Aluminum atom condenses in macromolecule membrane surface, is formed as transferable smooth silver metal thin film.The thickness of its film substrate layer is 6-15 μ
m.The thickness of its aluminium coated is 30-65nm.
Additionally, by web coatable machine, will by the way of anilox roll is coated with in the face of aluminizing of transferable metallic film
The A surface of PETG/APET film substrate layer coated by adhesive described in claim 4, and its coating thickness is 0.05 μm-2 μm,
Then by the drying tunnel of coating machine about 12-20m, by adhesive baking and curing, by multi-procedure and the PETG/ of coating machine
APET film substrate layer is combined, rolling.It is positioned over 45 DEG C of baking the affected part after applying some drugs room ripening 48h again.Carrier is removed during use.Wherein 12-20m is left
Right drying tunnel, sets up no less than three temperature controlled region, the first 60 DEG C, temperature controlled region, the second 90 DEG C, temperature controlled region, the 3rd 60 DEG C, temperature controlled region.Purpose
Being when initial temperature is too high to there will be adhesive surface drying, surface drying can form moisture content or the dissolvent residual of the inside, causes adhesive layer
Be full of cracks, the temperature of last temperature controlled region must not be higher than the coiling temperature of APET or PETG thin film, and otherwise APET or PETG thin film will
There will be crimping procedure.Thus complete the preparation of whole label.
Of the present invention have washing of metal surface and remove the application of pressure-sensitive adhesive label and be: described label includes:
The B surface of PETG/APET film substrate layer 3 is connected by described removable pressure-sensitive adhesive 2 substrate 1；PETG/APET is thin
The A surface of film base material layer 3 is bonded with transferable metal level 5 by adhesive 4, is gone by the carrier of described transferable metal level
Remove, on metal level 5, by techniques such as known printing pictorial trademark and merchandise news, cross cutting, waste discharges, be formed as by silicon
The package label that oil substrate 1 connects, is pasted on the container with recycle and reuse by automatic labeling machine, described container bag
Include circular glass beer bottle, ceramic wine bottle, square bottle, hexagonal PET carafe, oval pottery or polyester
The glass of the various shapes such as carafe and/or ceramic bottle and/or thermoplastic containers, described there is metal surface can water
Wash and remove pressure-sensitive adhesive label and adhere to described vessel surface, when returnable, remove being stained with washing of metal surface
The container of pressure-sensitive adhesive label is soaked in 60-120s in 65-90 DEG C of warm water (or warm water of the caustic soda containing 1-5%), described mark
Sign and come off from described container completely, and pressure-sensitive adhesive is not dissolved in water and neutralizes not shift to residue in and pasted on container.Adapt to
In automatic production line, the label containing adhesive that comes off can carry out harmless treatment, prevents polluted water resources, resource capable of circulation
Utilization, green safety environmental protection.
These are only the description of presently preferred embodiments of the present invention and application examples, not in order to limit the present invention, all
Any amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, should be included in the protection of the present invention
Within the scope of.
Claims (14)
1. one kind has washing of metal surface and removes pressure-sensitive adhesive label, it is characterised in that including:
PETG/APET film substrate layer, and a surface-coated of described PETG/APET film substrate layer has removable pressure sensitive adhesive
Stick, and described PETG/APET film substrate layer connected by described removable pressure-sensitive adhesive and has substrate；Described PETG/
Another surface of APET film substrate layer is bonded with metal level by adhesive.
The most according to claim 1 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described
The thickness of PETG/APET film substrate layer is 30～60 microns.
The most according to claim 1 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described can
By weight, proportioning is the composition of the pressure-sensitive adhesive removed: the Isooctyl acrylate monomer of 10-30 part, the acrylic acid of 30-50 part
Butyl ester, the acrylic acid of 10-20 part, the acrylic acid methyl ester. of 40-60 part, the glycerol of 7-10 part, the ethyl acetate of 80-110 part, 80-
Toluene, the initiator of 3-5 part and the isocyanate crosslinking of 0.7-1.8 part of 110 parts.
The most according to claim 1 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described glue
Stick composition is vinyl group resin, polyurethanes copolymer, polyolefin copolymers, acrylic copolymer or above-mentioned material
Any one of mixture of material, and the thickness of described adhesive is 0.05 μm-2 μm.
The most according to claim 1 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described lining
The end, includes at the bottom of PET silicone liner, at the bottom of BOPP silicone liner, at the bottom of Ge Laxin silicone liner, at the bottom of paper-plastic stick silicone liner.
The most according to claim 1 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described pressure
The coating thickness of sensitive adhesive is 10～25 μm.
The most according to claim 6 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described pressure
The coating thickness of sensitive adhesive is 12～22 μm.
The most according to claim 1 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described
PETG/APET film substrate layer is prepared through over-churning, polycondensation reaction by PTA, EC or dicarboxylic acids or dihydroxylic alcohols.
The most according to claim 1 have washing of metal surface and remove pressure-sensitive adhesive label, it is characterised in that described gold
Belonging to layer is transferable radium-shine metallic film or transferable smooth silver metal thin film.
10. have metal surface as claimed in claim 1 washes the preparation method removing pressure-sensitive adhesive label, and it is special
Levying and be, the method includes:
Make transferable metal level；
By web coatable machine, in the way of coating, adhesive is coated on transferable metal level；
By the drying tunnel of coating machine 12-20m, by described adhesive baking and curing, by the multi-procedure of coating machine by described glue
Stick is combined with PETG/APET film substrate layer, rolling；
It is positioned over 45 DEG C of baking the affected part after applying some drugs room ripening 48h.
11. according to claim 10 there is metal surface wash the preparation method removing pressure-sensitive adhesive label, it is special
Levy and be, the 12-20m drying tunnel of described coating machine, set up no less than three temperature controlled region, the first 60 DEG C, temperature controlled region, the second temperature controlled region
90 DEG C, the 3rd 60 DEG C, temperature controlled region.
12. there is metal surface according to claim 10 wash the preparation method removing pressure-sensitive adhesive label, its feature
Be, the transferable metal level of described making particularly as follows:
Using PET, BOPP, CPP thin film as transfer vector, carrier is coated with release layer, printing holographic pattern on release layer
As Information Level, molding laser layer on an information layer, form laser film, then by the technique of AM aluminum metallization on laser film
Vacuum aluminum-coated, described vacuum aluminum-coated be when vacuum is 4 × more than 10-4mba, aluminum metal is heated to 1200-
1400 DEG C of aluminum evaporations, the aluminum atom of evaporation condenses in macromolecule membrane surface, is formed as transferable radium-shine metallic film.
13. according to claim 10 there is metal surface wash the preparation method removing pressure-sensitive adhesive label, it is special
Levy and be, the transferable metal level of described making particularly as follows:
Using PET, BOPP, CPP thin film as transfer vector, transfer vector is coated with release layer, vacuum evaporation on release layer
Aluminum, vacuum aluminum-coated is when vacuum is 4 × more than 10-4mba, aluminum metal is heated to 1200-1400 DEG C of aluminum and steams
Sending out, the aluminum atom of evaporation condenses in macromolecule membrane surface, is formed as transferable smooth silver metal thin film.
14. according to the label described in claim 1-13, it is characterized in that having washing of metal surface removes pressure-sensitive adhesive label
In the case of about 80 DEG C of hot water treatment 20s, present irreversible curling, described label, by automatic labeling machine, label is glued
It is affixed on the container with recycle and reuse, especially the glass container of various shape and/or ceramic vessel and/or thermoplasticity
On container, soaking 60-120s in 65-90 DEG C of warm water, described label completely falls off, and adhesive is not dissolved in water and neutralizes not
Transfer residues in by patch container.
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| CN201610701772.7A CN106318253B (en) | 2016-08-22 | 2016-08-22 | A kind of washable removal pressure-sensitive adhesive label and preparation method and application with metal surface |
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| CN201610701772.7A CN106318253B (en) | 2016-08-22 | 2016-08-22 | A kind of washable removal pressure-sensitive adhesive label and preparation method and application with metal surface |
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| CN106318253B (en) | 2018-05-22 |
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