CN110216944A - The heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable and its preparation - Google Patents
The heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable and its preparation Download PDFInfo
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- CN110216944A CN110216944A CN201910578215.4A CN201910578215A CN110216944A CN 110216944 A CN110216944 A CN 110216944A CN 201910578215 A CN201910578215 A CN 201910578215A CN 110216944 A CN110216944 A CN 110216944A
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- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/12—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
Abstract
The present invention relates to a kind of anti-counterfeit laser cup bucket moulding material that high obstructing degradable is heat sealable and its preparation, entire packaging material is by successively compound PE leaching membrane layer, base paper layer, the first adhesive layer, metallic aluminum, holographic laser layer, transfer color coating layer, the second adhesive layer and PE layers of frosted from top to bottom.Compared with prior art, material prepared by the present invention has that degradable, heat sealable, permeability is good, good seal performance, acid resistance, oil resistivity, alcohol resistance, water resistance, erasibility and antistatic performance etc..
Description
Technical field
The invention belongs to field of packaging material, be related to a kind of anti-counterfeit laser cup bucket that high obstructing degradable is heat sealable at
Profile material and its preparation.
Background technique
In our daily production, especially in the food industry, causes food and other items discoloration rotten, influence to store
Phase it is many because being known as, analyzed from packaging angle, as everybody to low-carbon environment-friendly and goes the theory of modeling constantly to recognize and approve,
The packaging material of many environmental pollutions is slowly fading out our life, and environmentally friendly packing material becomes the development of packaging industry
Trend and future.
Lamination paper material large-scale application is in packaging material for food in recent years, with single side lamination and the white card of two-sided lamination
Based on material, such as cup, whole family's bucket, hot cup, cold cup；It is rotten in order to solve Food Oxidation on safe and healthy simultaneously, carefully
The flourish of bacterium, external peculiar smell penetrate into or occur food softening of becoming damp and rotten and lose original local flavor, material is applied and opened
Higher safety requirements is proposed in hair.Therefore Ministry of Science and Technology's Tenth Five-Year Plan Period plastic package material to keep it is lasting, quick,
It develops in a healthy way, other than meeting the quality requirement of Different Package food object, further requirement must save resource, with rear Yi Huishou
Or easily by environment degradable be starting point, develop to the Material Field direction of multi-functional environment-protection.
Chinese patent ZL201010618038.7 discloses a kind of preparation method of laminated packaging material with barrier property, is included in
Extrusion lamination is carried out on at least one side of supporting layer substrate, while the supporting layer substrate after lamination is surface-treated, it will
Barrier property coating fluid is coated on lamination surface, and barrier layer is made by drying, squeezes out on obtained barrier layer outer surface
Compound hot sealing layer；The compound light shield layer on a side of supporting layer substrate, and its surface tension is made to reach 38 after pretreatment
Dyne or more, and the coating and printing layer coating fluid on light shield layer lateral surface, printing layer is obtained after drying, in the outside of printing layer
Face squeezes out protective layer, keeps the printing layer and protective layer compound.The patent is carried out straight using dedicated substrate (by taking white card as an example)
Lamination method (PE particle high temperature melt) dry barrier layer formed is connect, the barrier layer is heat sealable, can print；But white card class substrate table
Face process coating or ink etc. can not lamination because lamination fusing point is low, coating or ink fusing point are high, the incompatible leaching of the two
Film will appear apparent vacation and stick, so that binding strength is poor.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of high obstructing degradables
Heat sealable anti-counterfeit laser cup bucket moulding material and its preparation.
The purpose of the present invention can be achieved through the following technical solutions:
One of technical solution of the present invention be the provision of a kind of anti-counterfeit laser cup bucket that high obstructing degradable is heat sealable at
Profile material, which is characterized in that including from top to bottom successively compound PE leaching membrane layer, base paper layer, the first adhesive layer, metallic aluminum,
Holographic laser layer, transfer color coating layer, the second adhesive layer and PE layers of frosted.
Further, frosted PE layers of the surface tension ensures in 42dyn/cm or more, and obtains by embossed
Matte surface.
Further, the material for the base paper that the base paper layer is selected has claimed below: interfacial bonding strength is in >=100j/
m2, COBB value≤40g/m of front and back sides2.Too low paper appearance transfer fastness is poor, excessively high to be easy to appear paper distortion.
Further, first adhesive layer selects D5 (D5-FH02) series of Shantou Xin Yuan Chemical Co., Ltd. without molten
Agent glue.
Further, the group of the transfer color coating layer is grouped into aqueous transfer coating and color type mill base is mixed
It closes, wherein the aqueous transfer coating is the MT31 purchased from Zhong Shanbohai Fine Chemical Co., Ltd, and color type mill base selects WY
Serial mill base (the rich extra large fine chemistry industry in middle mountain).
Further, second adhesive layer by purchased from Shantou Xin Yuan Chemical Co., Ltd. TA series and TB series without molten
Coating obtains after the mixing of agent glue, wherein the addition of TA (TA-FH30) series solvent-free glue and TB (TB-FH31) series
Mass ratio is 1:1.05.
Further, frosted PE layers it is consistent with the material of PE leaching membrane layer.
In the present invention, the effect of leaching membrane layer is to play barrier and heat sealing functions.Base paper layer is effective substrate of the invention, is risen
To molding function；First adhesive layer and the second adhesive layer are the bridges that every layer of structure combines；Metallic aluminum effect is to embody gold
Belong to gloss, and gas permeability；The effect of holographic laser layer is to embody security pattern to promote product specification beauty；Color coating layer is shifted to make
With holography can be impressed into aluminize in coating after be transferred completely on base paper layer；The effect of frosted PE be play barrier, heat-sealing and
Promote the functions such as sense of touch.
The two of technical solution of the present invention are to provide a kind of anti-counterfeit laser cup bucket that high obstructing degradable is heat sealable molding
The preparation method of material, comprising the following steps:
(1) base paper layer is taken, sided corona treatment is carried out to its back side, then process PE leaching membrane layer on the surface after sided corona treatment,
Obtain leaching membrane paper；
(2) basement membrane is taken, then its surface even spread color aqueous is mixed by what colour-wash and transfer coatings mixed
Coating after dry solidification, obtains colored transfer membrane；
(3) various anti-counterfeit laser effects are imprinted by the seamless mode of middle pressure on colored transfer membrane, obtains that there is holography
The colored transfer membrane of radium-shine layer；
(4) vacuum aluminum-plating machine metal lining in the holographic laser level of the colored transfer membrane with holographic laser layer is used
Aluminium layer obtains the transfer aluminum plated film of color laser；
(5) pass through the first adhesive layer on solvent-free composite machine for leaching membrane paper and the transfer aluminum plated film Compound Machining of color laser
Together, basement membrane is removed after curing, obtains color laser transfer leaching membrane paper；
(6) it will be cast made of blown film and pass through the processing of the second adhesive layer again with color laser transfer leaching membrane paper for PE layers of frosted
It closes, arrives purpose product after curing.
Further, in step (1), when lamination is processed, the heating temperature of laminating machine is 320-340 DEG C.
Compared with prior art, packaging material prepared by the present invention can meet hot wind mode and ultrasonic wave mode carries out heat
Envelope, and forming stability is good.Material have degradable, heat sealable, permeability is good, good seal performance, acid resistance, oil resistivity,
Alcohol resistance, water resistance, erasibility and antistatic performance etc..
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Description of symbols in figure:
1- leaching membrane layer, 2- base paper layer, the first adhesive layer of 3-, 4- metallic aluminum, 5- holographic laser layer, 6- shift colour-wash
Layer, the second adhesive layer of 7-, PE layers of 8- frosted.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
In following embodiment, unless otherwise instructed, then raw material used by showing or processing technique are this field
Conventional commercial raw material or Technology development.
Embodiment 1
A kind of anti-counterfeit laser cup bucket moulding material that high obstructing degradable is heat sealable, which is characterized in that including from top to bottom
Successively compound PE leaching membrane layer 1, base paper layer 2, the first adhesive layer 3, metallic aluminum 4, holographic laser layer 5, transfer color coating layer 6
Second adhesive layer 7 and frosted PE layer 8.
Wherein, leaching membrane layer 1: using the PE plastic pellet even spread of hot melt again on 2 surface of base paper layer, have grease proofness,
Waterproofness, heat sealability, the Tao Shi EC7000 of particle model selection, thickness is in 20-30u.
Base paper layer 2: the dab material of food-grade, it is necessary to have the supplier's material of food safety Licensing Authority, domestic paper
Source is based on Zhuhai Hongta and the Shandong sun, foreign paper source such as Stora Enso Oyj etc., grammes per square metre cup type based on 190 grams, barrel shape with
Based on 330-370 grams, base paper belongs to the material of high bulky.In addition, interfacial bonding strength need to be guaranteed in >=100j/m2, dust
Degree and water absorbent surface value are also important index, COBB value (60s) front and back sides≤40g/m2。
First adhesive layer 3: material applies solvent-free water-based material, admittedly containing 100%, uses single component material, coating gluing
Temperature is coated with spread 3.0g/m at 80 DEG C2, combined temp at 40-60 DEG C, need to cure after compound 12-24 hours remove, from
So curing does not need to be heated at high temperature, pollution-free and remaining Environment-friendlyglue glue, and the present embodiment is solvent-free using the prosperous source D5-FH02 in Shantou
Glue coats.
Metallic aluminum 4: using 99.9% or more fine aluminium, thickness is at 35~40 nanometers (380 angstroms).
Holographic laser layer 5: pressed in it is seamless molded in the way of PET be impressed into using high temperature by the radium-shine lines of nickel plate apply
On layer, general molding temperature is at 155-165 DEG C.
Transfer color coating layer 6: it is deployed with aqueous polyurethane transfer coatings and the mixing of color type mill base, coating
The control of upper machine viscosity 24-26s (apply four glasss), viscosity can be added dropwise by ethyl alcohol and be adjusted, oven temperature want 135 DEG C it is cured above
Dry preferably (thermal effect detection meets 75 or more).It is required to meet the Decolorant Test of resistance to 95% alcohol, while material surface tension can expire
Foot 60 days or more is unattenuated to be lower than 38 or less.Sea MT31 and WY mill base application is won with middle mountain.
Second adhesive layer 7: material applies solvent-free water-based material, admittedly contain 100%, using bicomponent material, according to certain
Proportion is uniformly mixed, and coating gluing temperature is coated with spread 1.5g/m at 40 DEG C2, combined temp is compound at 40-60 DEG C
After need to cure 24 hours, curing does not need to be heated at high temperature naturally, pollution-free and remaining Environment-friendlyglue glue, with the prosperous source TA- in Shantou
The mixed uniformly solvent-free glue application of FH30 and TB-FH31 (1:1.05).
Frosted PE layer 8: curtain coating blown film is carried out to meet the PE particle of food-grade, it is desirable that thickness control is in 20-30u, grammes per square metre
In 20-25g/m2, PE particle model be also it is especially important, must be consistent with the model at the base paper back side, promoted heat sealability.
The surface tension of PE film ensures to meet printing performance and heat sealability in 42dyn/cm or more simultaneously, and the PE is further through embossing side
Formula processing has different frosted finish effects.
The heat sealable anti-counterfeit laser cup bucket moulding material of the high obstructing degradable that the present embodiment is prepared has obtained food
Supervisory quality detection, meeting GB 4806.1-2016, " national food safety standard food contact material and product universal safety are wanted
Ask ", meet GB 4806.7-2016 " national food safety standard food contact plastic material and product ", GB 4806.8-
2016 " national food safety standard food contact paper and paper board materials and product " require.
Embodiment 2
Present embodiments provide a kind of anti-counterfeit laser cup bucket that the high obstructing degradable for being used to prepare embodiment 1 is heat sealable at
The method of profile material, comprising the following steps:
Step 1, to select 350g/m2The dedicated art post paperboard of Hongta food-grade as base paper layer 2, front is dab, back
Face carries out lamination processing, obtains PE leaching membrane layer 1 and the compound leaching membrane paper of base paper layer 2.When lamination is processed, laminating machine is preheated 2 hours,
At 320-340 DEG C, lamination is used to powerful corona machine and carries out corona to the body paper back side each section of heating and temperature control of baking oven
Processing, keeps the body paper back side relatively rough, the body paper after corona and lamination binding force are stronger.
Step 2 selects suitable aqueous transfer coating to be stirred with the colour-wash that intersolubility matches, according to color
Target requires specification and debugging respective material proportion, the frequency of stirring and time (Ren Gong while when on one side additive color slurry and first stir,
At the uniform velocity stirred after being all added using special-purpose stirring machine, mixing time was controlled at 10-20 minutes), it is colored to obtain transfer
Coating.14 μm of PET transfer grade basement membranes are selected, even spread shifts colour-wash by way of intaglio plate cable, pays attention to generally selecting
150 mesh cables are selected, ink cell uniformity is good just to control coating weight, and the upper machine viscosity of color aqueous coating is controlled in 25-28s
(four glasss of painting), viscosity can be added dropwise by ethyl alcohol and be adjusted, and oven temperature want 135 DEG C preferably (75 DEG C of satisfaction of thermal effect detection cured above
More than, " thermal effect " of this part refers to there is a column grid on small-sized paster, different temperature values is represented, when temperature rises to
When the temperature spot, grid can be converted into black, and original color will not be returned to after temperature reduction, and detection numerical value has list
Position, 75 DEG C), the fissility of detection coating and former film, while dry measure control is detected in 1.1-1.2g/m2, form and aspect use SP64 point
Analyzer detection data arrives the colored transfer membrane of transfer coloured coating 6 with standard △ E < 2.0.
Various anti-counterfeit laser effects are impressed into transfer by the seamless mode of middle pressure and applied by step 3 by colored transfer membrane
On the bed of material 7, pays special attention to carry out packet version using 3M adhesive tape in the process, notice that the space of a whole page is clean and tidy, the depth of the various spaces of a whole page can also determine
The difference of molding temperature mainly presses light compacting thoroughly to press as standard, and the control of general molding temperature is at 140 DEG C, pressure 20kg, speed
35m/min, while controlling side-to-side shading (3 DEG C of <) and without viscous version phenomenon of painting, tension be not easy it is excessive, prevent winding deformation,
Quick-fried muscle or scollop, scallop are to get arriving PET color laser film (holographic laser layer 5).
Step 4, using vacuum aluminum-plating machine by high-purity aluminium wire 10-2~10-3Under the vacuum condition of Pa, it is heated to 1400 and takes the photograph
Family name's degree or so gasification forms the metal with laser holographic pattern using the cooling coat side for being attached to PET color laser film
Effect (metallic aluminum 4), the thickness of metallic aluminum 4 is at 35~40 nanometers (380 angstroms).
Step 5, in solvent-free composite machine by the first adhesive layer 3 leaching membrane paper (leaching membrane layer 1+ base paper layer 2) and colored radium
Penetrate transfer aluminum plated film (metallic aluminum 4+ holographic laser layer 5+ shifts coloured coating 6) Compound Machining together, the first adhesive layer 3 is adopted
With single-component solvent-free glue, need first to preheat, admittedly containing 100%, coating gluing temperature is coated with spread 3.0g/m2 at 80 DEG C,
Combined temp is at 40-60 DEG C, it is desirable that uniformly, retractable volume tension force prevents fold layering blistering for gluing, needs to cure after compound
It removes within 12-24 hours, curing does not need to be heated at high temperature naturally.First adhesive layer 3 is used with the prosperous source D5-FH02 series in Shantou without molten
Agent glue.
Paper after compound curing on the surface using the equal adhesive tapes patch of 3M 616 is confirmed lower composite transferring jail by step 6
Degree, does not allow significantly to fall a little and fall aluminium, without intensive diaphanous spot, carries out stripping machine and removes PET film, control is apparent in the process
It prevents from abrading.
Step 7, ready frosted PE layer 8 with strip down color laser transfer leaching membrane paper process it is compound,
Its frosted PE layer 8 requires thickness control in 20-30um, and grammes per square metre is in 20-25g/m2, PE particle model be also it is especially important, with base
The model at the paper back side must be consistent, and promote heat sealability；The surface tension of PE film ensures in 42dyn/cm or more simultaneously, full
Sufficient printing performance and heat sealability.The second adhesive layer 7 is used in combination in processing, and material is double component solvent-free water-based material, admittedly contain
100%, it is uniformly mixed, is stirred evenly using automatic mixing device according to a certain ratio, coating gluing temperature is at 40 DEG C, coating
Spread 1.5g/m2, combined temp is at 40-60 DEG C, it is desirable that and uniformly, retractable volume tension force prevents fold layering blistering for gluing,
Special consideration should be given to PE films to control tension parameters, and contraction distortion causes significantly to crimp greatly when putting film, needs to cure after compound 24 hours,
Naturally curing does not need to be heated at high temperature, and 8 use of the second adhesive layer is uniform with Shantou prosperous source TA-FH30 and TB-FH31 (1:1.05)
The solvent-free glue of mixing.
Step 8, the paper after curing confirm the binding force of lower PE and transfer layer, not allowing false glutinous phenomenon occur (also
It is layering), while the surface tension guarantee of outermost frosted PE layer 8 is in 40dyn/cm or more, if surface tension is too low, it is necessary to
Last corona machine carries out sided corona treatment again, and general corona discharge power control is in 4-4.5KW.Last procedure is according to product city
The door width and volume length of field demand carry out removing arrangement, while can reject in time underproof material with on-line checking surface blemish,
Control winding end face is neat, does not allow to wind loosening or sideslip, does not allow end face to have apparent paper hair paper powder, it is ensured that product quality
It is qualified.
In above embodiments, PE used and food card transfer paper are also to be easily degraded；And (refer to that material is adding in heat sealability
After heat to molten condition, it is with Thermoadhesive energy possessed by the plastics of itself or other type) aspect, pass through experiment, discovery
Packaging material prepared in the above embodiments, can be secured in 90-110 DEG C of heat-sealing in common heat-sealing device；Barrier property refers into
Water-tight, impermeable, oil-proof etc. on the inside of after type, by detection, its OTR oxygen transmission rate of gained packaging material is 0.873cm2/
m2(condition for 24 hours/0.1MPa), oil are then 15-40 hours through the time.
The heat sealable anti-counterfeit laser cup bucket moulding material of the high obstructing degradable of above-mentioned production method production, can directly carry out
Downstream flexographic printing is die cut automatic bonding molding, which can meet hot wind mode and ultrasonic wave mode is sealed, and
Forming stability is good.Material has that degradable, heat sealable, permeability is good, good seal performance, acid resistance, oil resistivity, resistance to alcohol
Property, water resistance, erasibility and antistatic performance etc..
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (8)
1. a kind of anti-counterfeit laser cup bucket moulding material that high obstructing degradable is heat sealable, which is characterized in that including from top to bottom according to
Secondary compound PE leaching membrane layer, base paper layer, the first adhesive layer, metallic aluminum, holographic laser layer, transfer color coating layer, the second glue
Adhesion coating and PE layers of frosted.
2. a kind of heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable according to claim 1, feature
It is, frosted PE layers of the surface tension ensures in 42dyn/cm or more, and obtains matte surface by embossed.
3. a kind of heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable according to claim 1, feature
It is, the material for the base paper that the base paper layer is selected has claimed below: interfacial bonding strength is in >=100j/m2, front and back sides
COBB value≤40g/m2。
4. a kind of heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable according to claim 1, feature
It is, first adhesive layer selects the solvent-free glue of D5 series of Shantou Xin Yuan Chemical Co., Ltd..
5. a kind of heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable according to claim 1, feature
It is, the group of the transfer color coating layer is divided into aqueous transfer coating and mixes with color type mill base, or directlys adopt aqueous oil
Ink, wherein the aqueous transfer coating is MT31 purchased from Zhong Shanbohai Fine Chemical Co., Ltd, during color type mill base is selected
The WY series mill base of Shan Bohai Fine Chemical Co., Ltd.
6. a kind of heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable according to claim 1, feature
It is, second adhesive layer is by being purchased from the TA series of Shantou Xin Yuan Chemical Co., Ltd. and the mixing of the solvent-free glue of TB series
Coating obtains afterwards, wherein the TA solvent-free glue of series and the addition mass ratio of TB series are 1:1.05.
7. -6 any a kind of high obstructing degradables heat sealable anti-counterfeit laser cup bucket moulding material according to claim 1
Preparation method, which comprises the following steps:
(1) base paper layer is taken, sided corona treatment is carried out to its back side, then process PE leaching membrane layer on the surface after sided corona treatment, obtained
Leaching membrane paper；
(2) basement membrane, then the color aqueous compo that its surface even spread is mixed by colour-wash and transfer coatings are taken,
After dry solidification, colored transfer membrane is obtained；
(3) various anti-counterfeit laser effects are imprinted by the seamless mode of middle pressure on colored transfer membrane, obtained with holographic laser
The colored transfer membrane of layer；
(4) vacuum aluminum-plating machine metal lining aluminium in the holographic laser level of the colored transfer membrane with holographic laser layer is used
Layer, obtains the transfer aluminum plated film of color laser；
(5) pass through the first adhesive layer on solvent-free composite machine for leaching membrane paper and the transfer aluminum plated film Compound Machining of color laser one
It rises, basement membrane is removed after curing, obtain color laser transfer leaching membrane paper；
(6) compound by the processing of the second adhesive layer with color laser transfer leaching membrane paper by PE layers of frosted made of curtain coating blown film, it is ripe
After change to get arrive purpose product.
8. a kind of preparation side of the heat sealable anti-counterfeit laser cup bucket moulding material of high obstructing degradable according to claim 7
Method, which is characterized in that in step (1), when lamination is processed, the heating temperature of laminating machine is 320-340 DEG C.
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| CN113373732A (en) * | 2021-06-02 | 2021-09-10 | 安庆盛华纸质包装有限公司 | Multipurpose matte coated paper for producing coated paper cup and preparation process thereof |
| CN115008853A (en) * | 2022-05-18 | 2022-09-06 | 青岛科技大学 | Easily-recycled high-barrier paper aluminum composite packaging material and preparation method thereof |
| CN115257101A (en) * | 2022-07-15 | 2022-11-01 | 海南一铭环保材料科技有限公司 | Preparation method of high-barrier degradable environment-friendly packaging material |
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Application publication date: 20190910 |