CN206815104U - One kind foaming extrusion coating paper - Google Patents

One kind foaming extrusion coating paper Download PDF

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CN206815104U
CN206815104U CN201720586317.7U CN201720586317U CN206815104U CN 206815104 U CN206815104 U CN 206815104U CN 201720586317 U CN201720586317 U CN 201720586317U CN 206815104 U CN206815104 U CN 206815104U
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layer
foaming
paper
extrusion coating
coating
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CN201720586317.7U
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姜群
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Qingdao Rongxin Industry And Trade Co Ltd
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Qingdao Rongxin Industry And Trade Co Ltd
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Abstract

The purpose of this utility model is to provide a kind of Novel foaming extrusion coating paper, includes the medium density polyethylene MDPE layers of first layer barrier layer, the food-grade package paper of the second layer and the low density polyethylene layer of third layer foaming layer；It is further coated with being coated with latex on the outside of third layer foaming layer low density polyethylene layer, includes acrylate polymer 33 55%, defoamer 1% 2%, titanium oxide (5 20 μm of particle diameter) 24% 35%, deionized water 20% 30%.The prepared foaming extrusion coating paper of the utility model overcome existing blistering paper foaming layer foam caused by gas easily breaks through PE or PP layers when blow point is intensive and fires damage layer the shortcomings that, and then complete continuous printing surface is provided for printing, maintain good printing effect and visual effect.

Description

One kind foaming extrusion coating paper
Technical field
The invention belongs to food-grade field of packaging material, and in particular to a kind of Novel foaming extrusion coating paper.
Background technology
Polymeric packaging material is often requested to have choke, protection against the tide because content is different, guarantor is fragrant, prevents fat migration etc. Multiple functions；The packaging material of single variety can not usually meet this requirement, and therefore, polymer composite is in packaging field It is widely used, particularly in terms of packing articles.It can meet different requirements from different barrier packaging materials.
Foaming extrusion coating paper is mostly leaching membrane paper foaming on a large scale on existing market, and so-called leaching membrane paper is exactly by polyethylene (PE), polypropylene (PP) class plastic pellet is coated in the composite of paper surface by casting machine, and main feature is exactly that this is multiple Condensation material with grease proofing, waterproof (relative) and be able to can seal；And it is exactly leaching membrane layer i.e. PE or PP that leaching membrane paper foaming is basic Layer foaming.But gas, which easily breaks through PE or PP layers, when existing leaching membrane paper has intensive blow point and foaming causes the damage layer that foams The shortcomings that, cause printing effect undesirable.
The content of the invention
The purpose of this utility model is to provide a kind of Novel foaming extrusion coating paper, and blow point is close after solving existing leaching membrane paper foaming Gas, which easily breaks through PE or PP layers, when collection and foaming causes this deficiency of foaming damage layer, while prints effect after being advantageous to printing Holding, so as to make up the deficiencies in the prior art.
Foaming extrusion coating paper provided by the utility model, include the medium density polyethylene MDPE layers of first layer barrier layer, the Two layers of food-grade package paper and the low density polyethylene layer of third layer foaming layer；
As the preferred of embodiment, wherein described medium density polyethylene MDPE is 12-28 grams/m2；
As the preferred of embodiment, wherein described paper selects 160-350 grams/m2Packaging material paper；
As the preferred of embodiment, low density polyethylene layer is 25-45 grams/m2；
Further, it is further coated with being coated with latex on the outside of third layer foaming layer low density polyethylene layer, Include acrylate polymer 33-55%, defoamer 1%-2%, titanium oxide (5-20 μm of particle diameter) 24%-35%, deionization Water 20%-30%；
As the preferred of embodiment, acrylate polymer preferred mass number 33%；
As the preferred of embodiment, defoamer, preferred mass number is 1%；
As the preferred of embodiment, the mass fraction of titanium oxide (5-20 μm of particle diameter) is 29%.
Blister pack paper provided by the utility model, a kind of its specific preparation method are as follows：
1) acrylate polymer, defoamer, titanium oxide (5-20 μm of particle diameter), deionized water are added to scattered stirred tank In, it is dispersed with stirring under 25-35 DEG C, rotating 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 speeds Industry, latex coating is transferred on food-grade leaching membrane paper, coating is dried under conditions of 25-165 DEG C and prepares Novel foaming and answers Combined paper.
The prepared foaming extrusion coating paper of the utility model overcomes the foaming layer of existing blistering paper because blow point is intensive and fires When gas easily PE or PP layers are broken through cause foam damage layer the shortcomings that, and then for printing provide completely continuous printing surface, Maintain good printing effect and visual effect.
Brief description of the drawings
Fig. 1：The layer structure schematic diagram of the foaming extrusion coating paper of the present invention；
Fig. 2：The schematic perspective view of product made of the foaming compound of the present invention；
Fig. 3：The foaming comparison diagram of foaming extrusion coating paper prepared by the embodiment of the present invention 1；
Fig. 4：Product printing effect comparison diagram made of the foaming compound of the present invention.
Embodiment
Leaching membrane paper foaming used at present in order to reach it is heat-insulated, every cold and Comfortable attractive multiple functions, and use will drench Film layer PE or PP foaming materials, but blow point is intensive after the foaming of existing leaching membrane paper and gas easily breaks through PE or PP layers when foaming The damage layer that foams is caused, while is not advantageous to the holding of print effect after printing.
In order to overcome the shortcomings of more than existing leaching membrane paper, the present invention is coated with glue using food-grade leaching membrane paper as base material, with one kind Breast is raw material, using different layer structures so that foaming extrusion coating paper can be more intensive because of blow point enough and gas appearance when firing PE or PP layers are easily broken through to the shortcomings that causing to foam damage layer, while good printing effect can also be kept.
The acrylate polymer used in the utility model specific embodiment is by Henkel KGaA company with article No. Topwin6859 is sold.
The organic oil based food level defoamer that defoamer used produces for DOW Chemical in the utility model embodiment, the trade mark For Airase 4500.
The technical scheme is further described with reference to the accompanying drawings and examples.
Embodiment 1
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.Wherein Coating layer 4 includes acrylate polymer (Henkel V-6859) 33%, defoamer 2%, titanium oxide (5-20 μm of particle diameter) 35%, gone Ionized water 30%；
Above-mentioned coating latex is used to prepare foaming extrusion coating paper：
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+250+20 grams/ Square metre the grade packaged leaching membrane paper of food do base material, one layer of coating layer 4 of gravure, wherein coating layer in 40 grams of foaming layers 3 of the paper Acrylate polymer (Henkel V-6859) 33%；Defoamer 2%；Titanium oxide (5-20 μm of particle diameter) 35%；Deionized water 30%, Print speed printing speed is 100 ms/min, and for composite through being dried at a temperature of 65 DEG C, the thickness of coating layer 4 is 8um after printing, and use is red Outer foam process, 165 DEG C of blowing temperature.
Embodiment 2
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+280+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 33%, defoamer 2%, titanium oxide (5-20 μm of particle diameter) 35%, deionized water 30%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique is foamed, 165 DEG C of blowing temperature.
Embodiment 3
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+300+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 33%, defoamer 2%, titanium oxide (5-20 μm of particle diameter) 35%, deionized water 30%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique is foamed, 165 DEG C of blowing temperature.
Embodiment 4
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+250+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 55%, defoamer 1%, titanium oxide (5-20 μm of particle diameter) 24%, deionized water 20%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique, 165 DEG C of blowing temperature.
Embodiment 5
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+280+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 55%, defoamer 1%, titanium oxide (5-20 μm of particle diameter) 24%, deionized water 20%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique, 165 DEG C of blowing temperature.
Embodiment 6
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+300+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 55%, defoamer 1%, titanium oxide (5-20 μm of particle diameter) 24%, deionized water 20%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique, 165 DEG C of blowing temperature.
Embodiment 7
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+250+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 40%, defoamer 1%, titanium oxide (5-20 μm of particle diameter) 29%, deionized water 30%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique, 165 DEG C of blowing temperature.
Embodiment 8
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+280+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 40%, defoamer 1%, titanium oxide (5-20 μm of particle diameter) 29%, deionized water 30%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique, 165 DEG C of blowing temperature.
Embodiment 9
As depicted in figs. 1 and 2, it is a kind of Novel foaming extrusion coating paper, including first layer is made up of medium density polyethylene MDPE Barrier layer 1, second layer food-grade is packed for ply of paper 2, the foaming layer 3 that third layer is made up of low density polyethylene, the 4th The coating layer 4 that layer is made up of latex coating, coating layer 4 is applied to the outside of third layer foaming layer 3 using gravure technique.
Its specific preparation method is：With foaming layer 3, food-grade packaging ply of paper 2 and barrier layer 1 form 40+300+20 grams/ Square metre packaging for foodstuff leaching membrane paper do base material, one layer of coating layer of gravure, wherein coating layer propylene in 40 grams of foaming layers of the paper Acid ester polymer (Henkel V-6859) 40%, defoamer 1%, titanium oxide (5-20 μm of particle diameter) 29%, deionized water 30%, printing Speed is 100 ms/min, and the drying temperature of composite is 65 DEG C, coating thickness 8um after printing, using infrared foaming Technique, 165 DEG C of blowing temperature.
Embodiment 10：
Detected with foaming extrusion coating paper prepared by the utility model embodiment, testing result is as shown in figure 3, left side is this The foaming effect figure of foaming extrusion coating paper prepared by utility model, right side is existing leaching membrane paper foaming effect figure, with existing leaching Film paper is compared, without abscess fracture phenomena after manufactured foaming extrusion coating paper foaming.As shown in figure 4, left side is that the utility model is made Printing effect figure after standby foaming extrusion coating paper foaming, foaming layer is not destroyed, so maintaining good printing effect. Right side is the printing effect figure after the foaming of existing leaching membrane paper, because blow point is intensive and gas breaks through PE or PP layers when foaming The damage layer that foams is caused, and then by printing ink damage layer, also occur that color is thin out to wait negative effect, cause final printing Effect is undesirable.
The effect of the blistering paper prepared to other embodiments detects, and physicochemical property is similar to Example 1, shows this reality There is similar physicochemical property with new blistering paper.

Claims (4)

1. one kind foaming extrusion coating paper, it is characterised in that described foaming extrusion coating paper includes as close in first layer barrier layer Spend polyethylene MDPE layers, the food-grade package paper of the second layer and the low density polyethylene layer as third layer foaming layer.
2. foaming extrusion coating paper as claimed in claim 1, it is characterised in that the Midst density described in described foaming extrusion coating paper gathers Ethene MDPE is 12-28 grams/m2。
3. foaming extrusion coating paper as claimed in claim 1, it is characterised in that described food-grade package paper, is 160-350 Gram/m2Packaging material paper.
4. foaming extrusion coating paper as claimed in claim 1, it is characterised in that described low density polyethylene layer is 25-45 Gram/m2。
CN201720586317.7U 2017-05-24 2017-05-24 One kind foaming extrusion coating paper Active CN206815104U (en)

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CN201720586317.7U CN206815104U (en) 2017-05-24 2017-05-24 One kind foaming extrusion coating paper

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Application Number Priority Date Filing Date Title
CN201720586317.7U CN206815104U (en) 2017-05-24 2017-05-24 One kind foaming extrusion coating paper

Publications (1)

Publication Number Publication Date
CN206815104U true CN206815104U (en) 2017-12-29

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Country Status (1)

Country Link
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