CN110202889A - A kind of compound package material of the heat insulating anti-skidding high barrier with smooth continuous printing face - Google Patents
A kind of compound package material of the heat insulating anti-skidding high barrier with smooth continuous printing face Download PDFInfo
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- CN110202889A CN110202889A CN201910489340.8A CN201910489340A CN110202889A CN 110202889 A CN110202889 A CN 110202889A CN 201910489340 A CN201910489340 A CN 201910489340A CN 110202889 A CN110202889 A CN 110202889A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- 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
- B32B29/007—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 next to a foam 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
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- B32B2255/102—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer synthetic resin or rubber layer being a foamed 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
-
- 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
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0221—Vinyl resin
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- 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
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
Abstract
The present invention provides a kind of compound package material with smooth continuous printing face, it is followed successively by MDPE layers of medium density polyethylene of first layer barrier layer from inside to outside, the food-grade package paper of the second layer, the low density polyethylene layer of third layer foaming layer, coating latex is further coated on the outside of third layer foaming layer low density polyethylene layer, the coating latex includes the aqueous polyurethane emulsion of 50-90%, 5 ‰ -1% defoaming agent, the white pigments and fillers of 5%-43%, the curing agent of 0-3%, 0.1 ‰ -5 ‰ levelling agent, 0.5 ‰ -5 ‰ wetting agent, 5 ‰ -2% dispersing agent.Compound package material of the invention makes printing layer not influence foam extrusion coating paper foaming effect and basic heat-insulation scald-proof function while being capable of forming more flat and smooth printing plane, also solves coating layer and leaching membrane paper thermoplastic resin layer adheres to hypodynamic problem.
Description
Technical field
The invention belongs to food-grade field of packaging material, and in particular to it is a kind of with smooth continuous printing face every
The compound package material of the anti-skidding high barrier of heat.
Background technique
Packaging material for food makes food in the circulation process, prevents the damage of foeign element, keep food in addition to protecting food
It outside product stabilised quality itself, if having good printing effect after packaging material printing, more can effectively attract consumption, there is object
Value other than matter cost.In packaging material for food field, some food liquids need packaging material have Water-proof and oil-proof,
Heat-sealing and heat insulating function, such as bubble face, cold drink and hot drink.Generally come for such food packaging demand using leaching on existing market
Film paper, so-called leaching membrane paper are exactly by polyethylene (PE), and the plastic pellets such as polypropylene (PP) are by the processing of the techniques such as curtain coating in paper
The composite material on surface；The main feature of such paper grease proofing, waterproof (opposite) and can exactly seal.Leaching membrane paper
Again by foam process, leaching membrane layer i.e. PE or PP layers of foaming, the layer is made to form cavernous structure after foaming, can prevent
Heat passes through, and then forms a kind of anti-scald insulation product.But existing leaching membrane paper is intensive there are blow point and gas holds when foaming
Easily PE or PP layers is broken through the shortcomings that causing foaming damage layer, causes printing effect undesirable.Moreover, when leaching membrane paper is as food
It is often desirable to form flat and smooth face in printing layer when packaging material, is desirably to obtain good printing effect.
(application No. is 2017103747585 Chinese invention is special for a kind of foaming extrusion coating paper of having studied before inventor
Benefit), provided foaming extrusion coating paper, MDPE layers of the medium density polyethylene including first layer barrier layer, the food-grade packet of the second layer
The dress low density polyethylene layer of paper and third layer foaming layer；Further, in third layer foaming layer low density polyethylene
It is further coated with coating latex on the outside of alkene LDPE layer, includes acrylate polymer 33-55%, defoaming agent 1%-2%, oxygen
Change titanium (5-20 μm of partial size) 24%-35%, deionized water 20%-30%；
Preparation method is as follows:
1) acrylate polymer, defoaming agent, titanium oxide (5-20 μm of partial size), deionized water are added to dispersion stirred tank
In, it is dispersed with stirring under 25-35 DEG C, revolving speed 500-5500r/min no less than 2 hours；
2) mixture after stirring is put into intaglio printing press hopper, gravure work is carried out under 20m/min-120m/min speed
Latex coating is transferred on food-grade leaching membrane paper by industry, and it is multiple to prepare Novel foaming for drying coating under conditions of 25-165 DEG C
Combined paper.
Although the foaming extrusion coating paper overcomes the foaming layer of existing leaching membrane paper because blow point is intensive and gas is easy when firing
PE or PP layers is broken through the shortcomings that causing foaming damage layer, and then provide complete continuous printing surface for printing, maintained good
Printing effect and visual effect, but applicant has found during use, the printing which is capable of providing
Still there are biggish uneven sense and apparent net roll cutter trade in face, causes printing effect that cannot reach in a plane institute
The printing effect state of formation；Secondly the foaming extrusion coating paper latex coating has the ill effect for inhibiting foaming, that is, sends out after foaming
It is high to steep thickness low LCL, which results in the declines of heat insulation；And the foaming extrusion coating paper latex coating is being worked into leaching membrane paper
Afterwards, insufficient to the adhesive force of leaching membrane paper thermoplastic resin layer, during next step printing technology, it is easy because of equipment and paper
Friction and cause coating layer to be removed.
Summary of the invention
The object of the present invention is to provide a kind of compound package materials with smooth continuous printing face, enable printing layer shape
Foam extrusion coating paper foaming effect and basic heat-insulation scald-proof function are not influenced while at more flat and smooth printing plane, also
It is hypodynamic to solve the problems, such as that coating layer adheres to leaching membrane paper thermoplastic resin layer.
Compound package material provided by this hair, is followed successively by the medium density polyethylene MDPE of first layer barrier layer from inside to outside
Layer, the food-grade package paper of the second layer, the low density polyethylene layer of third layer foaming layer are low close in third layer foaming layer
It spends on the outside of polyethylene LDPE layer and is further coated with coating latex, the coating latex includes the aqueous poly- ammonia of 50-90%
Ester lotion, 5 ‰ -1% defoaming agent, the white pigments and fillers (5-20 μm of partial size) of 5%-43%, the curing agent of 0-3%, 0.1 ‰ -
5 ‰ levelling agent, 0.5 ‰ -5 ‰ wetting agent, 5 ‰ -2% dispersing agent；
The coating weight that the latex coating applies is preferably 1-10g/ ㎡；
As the preferred of embodiment, wherein the medium density polyethylene MDPE is 12-28 grams/m2；
As the preferred of embodiment, wherein 160-350 grams of selection/m of the paper2Packaging material paper；
As the preferred of embodiment, low density polyethylene layer is 15-45 grams/m2；
As the preferred of embodiment, the mass percent for being coated with aqueous polyurethane emulsion in latex is 88%；Defoam quality
Percentage is 8 ‰；Wetting agent mass percent is 1 ‰；The mass percent of levelling agent is 1 ‰；The mass percent of dispersing agent
It is 1%；Curing agent is Isocyanates curing agent, and preferred mass number is 1%；White pigments and fillers are titanium oxide (partial size 5-20 μ
M), mass fraction 9%.
Compound package material provided by the present invention the preparation method is as follows:
1) by aqueous polyurethane emulsion, defoaming agent, titanium oxide (5-20 μm of partial size), Isocyanates curing agent, levelling agent,
Wetting agent, dispersing agent are added in dispersion stirred tank, are dispersed with stirring under 25-35 DEG C, revolving speed 300-1500r/min uniformly；
2) mixture after stirring is put into intaglio printing press hopper, carries out to be coated under 20m/min-120m/min speed
Latex is transferred on food-grade leaching membrane paper by gravure technique, dries coating layer under conditions of 25-150 DEG C, using infrared hair
Bubble technique, 110-150 DEG C of blowing temperature, time 1-5 minute prepares of the invention heat-insulated with smooth continuous printing face
The compound package material of anti-skidding high barrier.
Compound package material prepared by the present invention not only has the functions such as Water-proof and oil-proof, heat-sealing, while solving existing
Printing surface present in some foaming extrusion coating papers has biggish uneven sense and apparent net roll cutter trade, and printing is caused to be imitated
Fruit cannot reach the problem of a plane is formed by printing effect state.Secondly compound package material prepared by the present invention
Do not inhibit foaming effect, does not influence the heat insulation that should have after extrusion coating paper foams that foams；Coating layer is also solved to lamination
Paper thermoplastic resin layer adheres to hypodynamic problem, and coating layer greatly improves the adhesive force of leaching membrane paper thermoplastic resin layer,
During next step printing technology, will not because of equipment and paper friction and cause coating layer to be removed, not will increase further
Loss and reduction production efficiency.
Detailed description of the invention
Fig. 1: the compound package material layer of the heat insulating anti-skidding high barrier prepared by the present invention with smooth continuous printing face
Shape structural schematic diagram；
Fig. 2: the stereoscopic schematic diagram of product made of compound package material prepared by the present invention；
Fig. 3: patent application number is the effect picture after foaming extrusion coating paper foaming disclosed in 2017103747585；
Fig. 4: the effect picture after compound package material foaming prepared by embodiment 3
Fig. 5: the effect contrast figure after compound package material prepared by the present invention and existing foaming extrusion coating paper printing foaming.
Fig. 6: has foaming extrusion coating paper coating layer to thermoplastic resin layer adhesive force test effect figure；
Fig. 7: the adhesive force test effect figure of compound package material coating layer prepared by embodiment 3 to thermoplastic resin layer.
Specific embodiment
Applicant is having found printing provided by the blistering paper during blistering paper prepared before using our company
There are biggish uneven sense and apparent net roll cutter trade in face, causes printing effect that cannot reach and is formed in a plane
Printing effect state, while the foaming extrusion coating paper latex coating have inhibit foam ill effect, that is, foam after foam thickness
Not high enough, which results in the declines of heat insulation.And the foaming extrusion coating paper latex coating is after being worked into leaching membrane paper, and it is right
The adhesive force of leaching membrane paper thermoplastic resin layer is insufficient, during next step printing technology, is easy the friction because of equipment and paper
And coating layer is caused to be removed, it is further to increase loss and reduce production efficiency.
In order to overcome the above problem, the present invention is by providing one to the preferential of the screening and preparation method for being coated with latex
Kind has the compound package material of the heat insulating anti-skidding high barrier in smooth continuous printing face, and it is compound can effectively to solve above-mentioned foaming
Paper there are the problem of.
The technical solution is further described with reference to the accompanying drawings and examples.
Embodiment 1
As depicted in figs. 1 and 2, foaming extrusion coating paper manufactured in the present embodiment, including first layer is by medium density polyethylene MDPE
The barrier layer 1 of composition, second layer food-grade are packed for paper layer 2, the foaming layer 3 that third layer is made of low density polyethylene,
Latex coating is applied to the outer of third layer foaming layer 3 using gravure technique by the 4th layer of coating layer being made of latex coating 4
Side.
In order to overcome the problems of the acrylic polymer used before, applicant selects vitrifying temperature first
Lower acrylic polymer lotion is spent, selects glass transition temperature for -10 DEG C of water soluble acrylic acid esters lotion 88%, applies
The latex coating that layer of cloth uses further includes defoaming agent 1%, titanium oxide (5-20 μm of partial size) 8%, Isocyanates curing agent 2%,
Levelling agent 1 ‰, wetting agent 2 ‰, dispersing agent 7 ‰；Said components are added in dispersion stirred tank, at 25-35 DEG C, revolving speed 1000r/
Be dispersed with stirring under min uniformly latex coating, coating latex be used to prepare foaming compound package material:
It is specific the preparation method is as follows: food-grade packs the 19.5+250+ that paper layer 2 and barrier layer 1 form with foaming layer 3
The grade packaged leaching membrane paper of 39 grams/m of food does substrate, and above-mentioned latex coating is processed using gravure technique in the paper
In 19.5 grams of foaming layers 3, machine speed is 100 ms/min, forms coating layer 4 after 85 DEG C of temperature are dried, the grammes per square metre of coating layer 4 is
4g/ ㎡ (dry weight), using infrared foam process, 110-150 DEG C of blowing temperature, time 1-5 minute prepares the compound packet of foaming
Package material.
Latex component is prepared using different waterborne styrene-acrylic emulsion classes and aqueous polyurethane emulsion, repeats above-mentioned technique,
It was found that the latex effect of water soluble acrylic acid esters polymer, waterborne styrene-acrylic emulsion preparation is all undesirable.Should have from interior coating layer 4
Higher toughness and draftability are possible to that the angle of the foaming effect of foaming layer will not be inhibited to be screened, and final determine uses
Aqueous polyurethane emulsion, and increase coating layer to the adhesive force to leaching membrane paper thermoplastic resin layer.
The component of the coating latex finally determined are as follows: the aqueous polyurethane emulsion of 50-90%, 5 ‰ -1% defoaming agent,
The white pigments and fillers (5-20 μm of partial size) of 5%-25%, the curing agent of 0-3%, 0.1 ‰ -5 ‰ levelling agent, 0.5 ‰ -5 ‰
Wetting agent, 5 ‰ -2% dispersing agent.
Embodiment 2
The foaming compound package material of preparation, including the barrier layer 1 that first layer is made of medium density polyethylene MDPE, second
Layer food-grade is packed for paper layer 2, the foaming layer 3 that third layer is made of low density polyethylene,
Wherein, medium density polyethylene MDPE is 12-28 grams/m2, 160-350 grams/m of food-grade package paper selection2Packaging
Material paper；Low density polyethylene layer is 15-45 grams/m2；
Coating layer 4 is applied to third layer foaming layer using gravure technique by the 4th layer of coating layer being made of latex coating 4
3 outside.Coating layer used in the present embodiment selects the lower aqueous polyurethane emulsion of glass transition temperature, wherein coating layer 4
Including aqueous polyurethane emulsion 88%, defoaming agent 8 ‰, titanium oxide (5-20 μm of partial size) 9%, Isocyanates curing agent 1%, stream
Flat agent 1 ‰, wetting agent 1 ‰, dispersing agent 1%；
Said components be added to dispersion stirred tank in, be dispersed with stirring under 25-35 DEG C, revolving speed 1000r/min uniformly
Latex coating, coating latex are used to prepare foaming compound package material:
It is specific the preparation method comprises the following steps: food-grade packs the 19.5+250+39 that paper layer 2 and barrier layer 1 form with foaming layer 3
Gram/m the grade packaged leaching membrane paper of food do substrate, by above-mentioned latex coating using gravure technique process the 19.5 of the paper
Gram foaming layer 3 on, machine speed is 100 ms/min, and coating layer 4 is formed after 85 DEG C of temperature are dried, and the grammes per square metre of coating layer 4 is 4g/
㎡ (dry weight) 110-150 DEG C of blowing temperature, time 1-5 minute, prepares one kind using infrared foam process after foaming
The compound package material of heat insulating anti-skidding high barrier with smooth continuous printing face.
Fig. 3 is the effect picture after a kind of foaming extrusion coating paper foaming prepared application No. is 201710374758.5 inventions, Fig. 4
For the effect picture after the heat-insulated foaming extrusion coating paper foaming manufactured in the present embodiment with smooth continuous printing face.The result shows that this
The more smooth continuous light of printing surface after there is the heat-insulated foaming compound package material in smooth continuous printing face to foam for embodiment preparation
It is sliding, it is barely perceivable uneven phenomenon and net roll cutter trade.
Further, it in the heat-insulated foaming extrusion coating paper with smooth continuous printing face of embodiment preparation, is printed
Afterwards, as shown in figure 5, left figure be the heat-insulated foaming extrusion coating paper manufactured in the present embodiment with smooth continuous printing face first printing again
The effect picture presented after being foamed, right figure are that the foaming extrusion coating paper prepared application No. is 201710374758.5 inventions first prints
The printing effect figure that brush is presented after foaming again, the results showed that the heat-insulated hair manufactured in the present embodiment with smooth continuous printing face
Extrusion coating paper is steeped after foaming, and printing layer is not destroyed still, and the in one plane printing that can match in excellence or beauty is formed
Effect；The effect of obvious existing foaming extrusion coating paper.
The food-grade of coating will be not carried out in the heat-proof quality for further detecting compound package material manufactured in the present embodiment
Pack the compound package material of leaching membrane paper and the heat insulating anti-skidding high barrier manufactured in the present embodiment with smooth continuous printing face
It is prepared into the dixie cup of same size respectively, and carries out the foam process processing of equal conditions.Then 100 DEG C are injected in cup to open
Water, and the temperature in same time cup and outside cup is recorded respectively, using the temperature difference as the Appreciation gist of heat insulation.Table 1 is
The dixie cup sample heat-resisting effect test data of the foaming extrusion coating paper production of coating process is not carried out, table 2 is to prepare in the present embodiment
With smooth continuous printing face heat-insulated foaming extrusion coating paper production dixie cup sample heat-resisting effect test data；
Table 1: the dixie cup heat-resisting effect test data of the grade packaged leaching membrane paper production of food of coating process is not carried out
| t(min) | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30 |
| T cup temperature (DEG C) | 90 | 87 | 84 | 81 | 78 | 76 | 74 | 72 | 70 | 69 |
| Temperature (DEG C) after T glasss of outer corrections | 64 | 66 | 64 | 62 | 61 | 60 | 58 | 56 | 55 | 53 |
| Cup internal-external temperature difference | 26 | 21 | 20 | 19 | 17 | 16 | 16 | 16 | 15 | 16 |
Table 2: the dixie cup sample heat-resisting effect test data of the composite material production prepared in the present embodiment
| t(min) | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 24 | 27 | 30 |
| T/ cup temperature (DEG C) | 90 | 87 | 84 | 81 | 78 | 76 | 74 | 72 | 70 | 69 |
| T/ glasss of outer temperature (DEG C) | 65 | 66 | 64 | 63 | 61 | 61 | 58 | 57 | 55 | 53 |
| Cup internal-external temperature difference | 25 | 21 | 20 | 18 | 17 | 15 | 16 | 15 | 15 | 16 |
The heat insulation of composite material manufactured in the present embodiment does not decline it can be seen from Tables 1 and 2, illustrates to make
The heat-proof quality of the compound package material of the standby heat insulating anti-skidding high barrier with smooth continuous printing face will not be because increasing
Coating layer and weaken, further relating to foaming layer foaming effect will not cause foaming effect bad because coating layer is suppressed.
And the foaming extrusion coating paper latex coating of the present embodiment increases coating layer to leaching membrane paper after being worked into leaching membrane paper
The adhesive force of thermoplastic resin layer does not have the phenomenon that any coating layer is removed by equipment in printing process.In addition to actually machine
Test is outer, obtains simple test method with printing experience, convention transparent tape-stripping to coating layer is torn after compacting from one end
It pulls, as shown in Figure 6 and Figure 7, Fig. 6 is the foaming extrusion coating paper coating layer for preparing application No. is 201710374758.5 inventions to thermoplastic
Property resin layer adhesive force test effect figure, Fig. 7 compound package material coating layer manufactured in the present embodiment is to thermoplastic resin layer
Adhesive force test effect figure, the results showed that application No. is the coating layers in the foaming extrusion coating paper of 201710374758.5 inventions preparation
Easily be completely exfoliated from thermoplastic resin layer, and compound package material coating layer manufactured in the present embodiment do not have it is any from thermoplastic resin
The phenomenon that rouge layer is removed, adhesive force significantly improves.
The above results show that compound package material prepared by the present invention not only solves present in existing foaming extrusion coating paper
The uneven and apparent net roll cutter trade of printing surface and caused printing effect cannot reach in a plane institute shape
At printing effect state the problem of；Secondly also solving existing foaming extrusion coating paper latex coating has the bad effect for inhibiting foaming
The problem of foam thickness is not high enough after fruit, foaming, and heat insulation is caused to decline；Also solves foaming extrusion coating paper latex coating simultaneously
After being worked into leaching membrane paper, to the hypodynamic problem of the attachment of leaching membrane paper thermoplastic resin layer, the embodiment system at the same time
During next step printing technology, avoid coating layer causes to apply standby compound package material because of the friction of equipment and paper
The removing of layer of cloth.
Embodiment 3
The barrier layer 1 of first layer medium density polyethylene MDPE composition, second layer food-grade are packed for paper layer 2, third layer by
The foaming layer 3 of low density polyethylene composition and embodiment 2 are consistent, and the latex coating composition that the present embodiment uses is as follows: water
Property polyaminoester emulsion 88%, defoaming agent 8 ‰, titanium oxide (5-20 μm of partial size) 9%, levelling agent 2 ‰, wetting agent 5 ‰, dispersing agent
1.5%；Said components be added to dispersion stirred tank in, be dispersed with stirring under 25-35 DEG C, revolving speed 1000r/min uniformly painting
Cloth latex, coating latex are used to prepare a kind of composite packaging material of heat insulating anti-skidding high barrier with smooth continuous printing face
Material；
It is specific the preparation method comprises the following steps: food-grade packs the 19.5+250+39 that paper layer 2 and barrier layer 1 form with foaming layer 3
Gram/m the grade packaged leaching membrane paper of food do substrate, by above-mentioned latex coating using gravure technique process the 19.5 of the paper
In gram foaming layer 3, machine speed is 100 ms/min, and coating layer 4 is formed after 85 DEG C of temperature are dried, and the grammes per square metre of coating layer 4 is 4g/ ㎡
(dry weight), using infrared foam process, 110-150 DEG C of blowing temperature, time 1-5 minute, that is, prepare it is a kind of have smoothly connect
The compound package material of the heat insulating anti-skidding high barrier of continuous printing surface.As a result similar to Example 2, although being coated in the embodiment
Latex is not so good as embodiment 2 to the adhesive force of leaching membrane paper thermoplastic resin layer, but is substantially better than that application No. is 201710374758.5
Invent the foaming extrusion coating paper of preparation.
Embodiment 4
The barrier layer 1 of first layer medium density polyethylene MDPE composition, second layer food-grade are packed for paper layer 2, third layer by
The foaming layer 3 of low density polyethylene composition and embodiment 3 are consistent, and the latex coating composition that the present embodiment uses is as follows: water
Property polyaminoester emulsion 50%, defoaming agent 1%, titanium oxide (5-20 μm of partial size) 43%, Isocyanates curing agent 3%, levelling agent
5 ‰, wetting agent 5 ‰, dispersing agent 2%；Said components are added in dispersion stirred tank, under 25-35 DEG C, revolving speed 1000r/min
Be dispersed with stirring uniformly latex coating, coating latex be used to prepare a kind of heat insulating anti-skidding high resistant with smooth continuous printing face
Every the compound package material of property；
It is specific the preparation method comprises the following steps: food-grade packs the 19.5+250+39 that paper layer 2 and barrier layer 1 form with foaming layer 3
Gram/m the grade packaged leaching membrane paper of food do substrate, by above-mentioned latex coating using gravure technique process the 19.5 of the paper
In gram foaming layer 3, machine speed is 100 ms/min, and coating layer 4 is formed after 85 DEG C of temperature are dried, and the grammes per square metre of coating layer 4 is 4g/ ㎡
(dry weight), using infrared foam process, 110-150 DEG C of blowing temperature, time 1-5 minute, that is, prepare it is a kind of have smoothly connect
The compound package material of the heat insulating anti-skidding high barrier of continuous printing surface.
Embodiment 5
The barrier layer 1 of first layer medium density polyethylene MDPE composition, second layer food-grade are packed for paper layer 2, third layer by
The foaming layer 3 of low density polyethylene composition and embodiment 3 are consistent, and the latex coating composition that the present embodiment uses is as follows: water
Property polyaminoester emulsion 90%, defoaming agent 8 ‰, titanium oxide (5-20 μm of partial size) 7%, Isocyanates curing agent 1%, levelling agent
1 ‰, wetting agent 1 ‰, dispersing agent 1%；Said components are added in dispersion stirred tank, under 25-35 DEG C, revolving speed 1000r/min
Be dispersed with stirring uniformly latex coating, coating latex be used to prepare a kind of heat insulating anti-skidding high resistant with smooth continuous printing face
Every the compound package material of property；
It is specific the preparation method comprises the following steps: food-grade packs the 19.5+250+39 that paper layer 2 and barrier layer 1 form with foaming layer 3
Gram/m the grade packaged leaching membrane paper of food do substrate, by above-mentioned latex coating using gravure technique process the 19.5 of the paper
In gram foaming layer 3, machine speed is 100 ms/min, and coating layer 4 is formed after 85 DEG C of temperature are dried, and the grammes per square metre of coating layer 4 is 4g/ ㎡
(dry weight), using infrared foam process, 110-150 DEG C of blowing temperature, time 1-5 minute, that is, prepare it is a kind of have smoothly connect
The compound package material of the heat insulating anti-skidding high barrier of continuous printing surface.
The effect of compound package material prepared by embodiment 3 and embodiment 4 is detected, physicochemical property and 2 phase of embodiment
Seemingly, show that compound package material prepared by the present invention has similar physicochemical property.
Claims (10)
1. a kind of compound package material, which is characterized in that the compound package material is followed successively by close in first layer from inside to outside
Polyethylene MDPE layers of degree, the food-grade package paper of the second layer, the low density polyethylene layer of third layer, and it is low in third layer
Coating latex is further coated on the outside of density polyethylene LDPE layer, the coating latex includes the aqueous poly- of 50-90%
Urethane lotion, 5 ‰ -1% defoaming agent, the white pigments and fillers of 5%-43%, the curing agent of 0-3%, 0.1 ‰ -5 ‰ levelling
Agent, 0.5 ‰ -5 ‰ wetting agent, 5 ‰ -2% dispersing agent.
2. compound package material as described in claim 1, which is characterized in that the coating weight that the latex coating applies is 1-
10g/m2。
3. compound package material as described in claim 1, which is characterized in that the partial size of the white pigments and fillers is 5-20 μ
m。
4. compound package material as described in claim 1, which is characterized in that the medium density polyethylene MDPE is 12-28
Gram/m2。
5. compound package material as described in claim 1, which is characterized in that the food-grade package paper is 160-350
Gram/m2Packaging material paper.
6. compound package material as described in claim 1, which is characterized in that the low density polyethylene layer is 15-
45 grams/m2。
7. compound package material as described in claim 1, which is characterized in that aqueous polyurethane emulsion in the coating latex
Mass percent be 88%；Defoaming mass percent is 8 ‰；Wetting agent mass percent is 1 ‰；The quality percentage of levelling agent
Number is 1 ‰；The mass percent of dispersing agent is 1%；Curing agent mass fraction is 1%；White pigments and fillers mass fraction is 9%.
8. compound package material as claimed in claim 1 or 7, which is characterized in that the curing agent is solid for isocyanates
Agent.
9. compound package material as claimed in claim 1 or 7, which is characterized in that the white pigments and fillers are titanium oxide.
10. the preparation method of compound package material described in claim 1 or 7, which is characterized in that the method includes as follows
The step of:
1) by aqueous polyurethane emulsion, defoaming agent, titanium oxide, Isocyanates curing agent, levelling agent, wetting agent, dispersing agent adds
Enter into dispersion stirred tank, is dispersed with stirring under 25-35 DEG C, revolving speed 300-1500r/min uniformly；
2) mixture after stirring is put into intaglio printing press hopper, is carried out under 20m/min-120m/min speed by latex coating
It is transferred on food-grade leaching membrane paper by gravure technique, dries coating layer under conditions of 25-150 DEG C, using infrared foaming work
Skill, time 1-5 minute, that is, prepares compound package material by 110-150 DEG C of blowing temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910489340.8A CN110202889B (en) | 2019-06-06 | 2019-06-06 | Heat-insulation anti-skidding high-barrier composite packaging material with smooth continuous printing surface |
| CN201911290886.7A CN111040596B (en) | 2019-06-06 | 2019-06-06 | Coating latex for preparing composite packaging material |
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| CN201910489340.8A CN110202889B (en) | 2019-06-06 | 2019-06-06 | Heat-insulation anti-skidding high-barrier composite packaging material with smooth continuous printing surface |
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| CN201911290886.7A Active CN111040596B (en) | 2019-06-06 | 2019-06-06 | Coating latex for preparing composite packaging material |
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| CN112411260A (en) * | 2020-12-04 | 2021-02-26 | 江苏吉利纸业有限公司 | Printing distortion prevention heat-insulation environment-friendly foaming coated paper, container and preparation process |
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| CN113120373B (en) * | 2021-04-20 | 2023-04-14 | 上海紫丹食品包装印刷有限公司 | Plastic-free paper cup and preparation method thereof |
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| CN103649143A (en) * | 2011-07-22 | 2014-03-19 | Adeka株式会社 | Aqueous polyurethane resin composition, and highly-adhesive polyester film to which said aqueous polyurethane resin composition has been applied |
| CN104629608A (en) * | 2015-02-05 | 2015-05-20 | 潍坊恒彩数码影像材料有限公司 | Coating fluid for inkjet high-gloss waterproof printing paper, and printing paper and preparation method thereof |
| CN106988159A (en) * | 2017-05-24 | 2017-07-28 | 青岛榕信工贸有限公司 | One kind foaming extrusion coating paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6624240B2 (en) * | 2001-12-28 | 2003-09-23 | Sun Chemical Corporation | Low molecular weight polyurethane resins |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649143A (en) * | 2011-07-22 | 2014-03-19 | Adeka株式会社 | Aqueous polyurethane resin composition, and highly-adhesive polyester film to which said aqueous polyurethane resin composition has been applied |
| CN104629608A (en) * | 2015-02-05 | 2015-05-20 | 潍坊恒彩数码影像材料有限公司 | Coating fluid for inkjet high-gloss waterproof printing paper, and printing paper and preparation method thereof |
| CN106988159A (en) * | 2017-05-24 | 2017-07-28 | 青岛榕信工贸有限公司 | One kind foaming extrusion coating paper |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112411260A (en) * | 2020-12-04 | 2021-02-26 | 江苏吉利纸业有限公司 | Printing distortion prevention heat-insulation environment-friendly foaming coated paper, container and preparation process |
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| CN111040596B (en) | 2021-10-15 |
| CN110202889B (en) | 2021-08-13 |
| CN111040596A (en) | 2020-04-21 |
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