CN202912881U - Two-way stretch tackifying precoating film - Google Patents
Two-way stretch tackifying precoating film Download PDFInfo
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- CN202912881U CN202912881U CN 201220321284 CN201220321284U CN202912881U CN 202912881 U CN202912881 U CN 202912881U CN 201220321284 CN201220321284 CN 201220321284 CN 201220321284 U CN201220321284 U CN 201220321284U CN 202912881 U CN202912881 U CN 202912881U
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- 239000010410 layer Substances 0.000 claims abstract description 119
- 239000004831 Hot glue Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 38
- -1 polyethylene copolymer Polymers 0.000 claims abstract description 20
- 239000004698 Polyethylene Substances 0.000 claims abstract description 8
- 229920000573 polyethylene Polymers 0.000 claims abstract description 8
- 239000011248 coating agent Substances 0.000 claims description 76
- 238000000576 coating method Methods 0.000 claims description 76
- 230000001737 promoting effect Effects 0.000 claims description 39
- 229920006267 polyester film Polymers 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 229920001155 polypropylene Polymers 0.000 claims description 12
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 9
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 8
- 229920006225 ethylene-methyl acrylate Polymers 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 2
- 229920001684 low density polyethylene Polymers 0.000 claims description 2
- 239000004702 low-density polyethylene Substances 0.000 claims description 2
- 229920006284 nylon film Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 26
- 239000000839 emulsion Substances 0.000 abstract description 15
- 229920002873 Polyethylenimine Polymers 0.000 abstract description 11
- 230000001070 adhesive effect Effects 0.000 abstract description 6
- 229920002635 polyurethane Polymers 0.000 abstract description 5
- 239000004814 polyurethane Substances 0.000 abstract description 5
- 238000004049 embossing Methods 0.000 abstract description 4
- 239000007888 film coating Substances 0.000 abstract description 4
- 238000009501 film coating Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000027455 binding Effects 0.000 abstract description 3
- 238000009739 binding Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 abstract 2
- 229920006302 stretch film Polymers 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000012466 permeate Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 76
- 238000001035 drying Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000005096 rolling process Methods 0.000 description 11
- 239000007787 solid Substances 0.000 description 9
- 238000003851 corona treatment Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 239000002318 adhesion promoter Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 4
- 239000005043 ethylene-methyl acrylate Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 239000000976 ink Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 235000019628 coolness Nutrition 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000014101 wine Nutrition 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model discloses a two-way stretch tackifying precoating film, which comprises a basic material, a middle layer and a hot melt adhesive layer arranged in sequence, wherein a tackifying layer is also arranged on the hot melt adhesive layer; the basic material is a two-way stretch film; the middle layer is polyethyleneimine; the hot melt adhesive layer is a polyethylene copolymer; and the tackifying layer is a water-based polyurethane emulsion with auxiliary components. The precoating film taking the two-stretch film as the basic material, polyethyleneimine as the middle layer, the polyethylene copolymer as the hot melt adhesive layer and the water-based polyurethane emulsion with the auxiliary components as the tackifying layer is a novel precoating film; due to larger adhesive force of the precoating film, the embossing processes of embossing, binding and the like after the precoating film is used for precoating can be perfectly finished to meet the film coating requirements of masses of customers; and meanwhile, the polyurethane emulsion is taken as the tackifying layer, can permeate into a printing ink layer of a printed product, can be satisfactorily adhered with various printing ink and has ultrahigh adhesive property for the printed product.
Description
Technical field
The utility model relates to printing technology, is specifically related to a kind of pre-coating film, particularly a kind of biaxial tension mucosity-increasing precoating film.
Background technology
Coating technique is the later stage eighties 20th century to introduce China; because coating technique not only can provide provide protection to printed matter; prolong its work-ing life; can improve simultaneously the appearance effect of printed matter; this technique is popularized in the whole nation rapidly, is widely used on the packings such as books and periodicals, food, tobacco and wine, medicine.Coating technique is divided into namely film coating technique and pre-coating film coating technique, the coating technique of namely filming has following shortcoming: (1), the easy appearance bubble and stripping phenomenon, under the Working environment of the printing of big area wetland or high humidity, foaming and stripping phenomenon are particularly serious; (2), product surface often produces bright spot or the cloud point that glossiness differs; (3), curling phenomenon occurs in product easily, if excess Temperature during the excessive or oven dry of pressure during gluing, this curling phenomenon is more serious; (4), the chemical substance such as organic solvent will be volatilized in atmosphere during overlay film, cause environmental pollution, even cause fire, and than the coating technique of namely filming, the pre-coating film coating technique but has the characteristics such as environmental protection, safe, easy to operate, energy-efficient, excellent performance, and it progressively improves at the market portion.
The printed matters such as paper publication thing, packing material are good through pre-coating film overlay film after-vision effect, bright in luster, domestic pre-coating film product all is common EVA type or the pre-coating film of EVA type mixing EAA type at present, for the manual coating technique of low speed and the product that need not carry out rolling line, concavo-convex processing, common pre-coating film can meet the demands.But for the fully automatic high-speed coating technique, and the product that carries out rolling line, concavo-convex processing after covering, common pre-coating film can not satisfy its requirement, shows as the quality problems such as foaming, delamination.For example Chinese patent literature CN 102229786A discloses a kind of " high-efficiency environment friendly pre-coating film ", it mainly is comprised of substrate layer and hot melt adhesive layer, substrate layer and hot melt adhesive layer are compound in together, and substrate layer is BiOriented Polypropylene Films (BOPP) or biaxially oriented polyester film (PET); Hot melt adhesive layer is that ethylene-vinyl acetate (EVA) mixture and ethylene acrylic acid co polymer (EAA) mix, the weight percent that both account for respectively hot melt adhesive layer is: ethylene-vinyl acetate (EVA) mixture 75%～92%, ethylene acrylic acid co polymer (EAA) 8%～25%.Although placed ethylene acrylic acid co polymer (EAA) resin the adhesive capacity of hot melt adhesive layer is improved, but the product that its adhesive capacity can only be dealt with the manual coating technique of low speed or need not carry out rolling line, concavo-convex processing, and for the fully automatic high-speed coating technique, and the product that carries out rolling line, concavo-convex processing after covering, this pre-coating film just can not satisfy its requirement, is easy to occur bubble, delamination and the bonding quality problems such as not firm.
Therefore, must design new material and production method, process the not pre-coating film of demoulding to produce to adapt to the high speed overlay film and cover rear rolling line.
The utility model content
The purpose of this utility model is to address the above problem, a kind of biaxial tension mucosity-increasing precoating film is provided, it has advantage simple in structure, easy to make, that adhesiveproperties is high, is fit to be applied to that postprocessing working procedures requires, moistened surface tension force is low and in the printing of high-speed lower more difficult overlay film.
For reaching this purpose, the utility model by the following technical solutions:
A kind of biaxial tension mucosity-increasing precoating film comprises being base material, middle layer, the hot melt adhesive layer that sets gradually, and adhesion promoting layer also is set on the described hot melt adhesive layer.
Further, described base material is selected biaxially oriented film, preferred scheme has: biaxially oriented film is biaxially oriented polyester film or BON biaxially oriented nylon film or BiOriented Polypropylene Films, and the thickness of base material is 10～30 μ m, comparative optimization be that the thickness of base material is 12～20 μ m;
Described middle layer is polymine, the middle layer for the solid content of coating in 0.4%～1.5% polyethyleneimine: amine aqueous solution, the molecular formula of polymine: (CH
2CH
2NH) n selects the n value according to the molecular-weight average of polymkeric substance in 1000～10000 scope, and the thickness in described middle layer is 0.01～0.03 μ m, comparative optimization be that the thickness in middle layer is 0.01～0.02 μ m;
Described hot melt adhesive layer is polyethylene copolymer, preferred scheme has: polyethylene copolymer is ethylene-vinyl acetate copolymer or ethylene-ethyl acrylate copolymer or ethylene-acrylic acid copolymer or ethylene-methyl acrylate copolymer or Low Density Polyethylene, the thickness of described hot melt adhesive layer is 10～35 μ m, comparative optimization be that the thickness of hot melt adhesive layer is 12～25 μ m;
Described adhesion promoting layer is the aqueous polyurethane emulsion that contains ancillary component, preferred scheme is: described adhesion promoting layer is solid content at 5%～50% described polyaminoester emulsion and the content mixture at 0.1%～10% described ancillary component, described ancillary component comprises flow agent, adhesion promoters, the scheme that is more preferably is: described polyaminoester emulsion solid content is 10%～30%, the content of described ancillary component is 1%～5%, the thickness of described adhesion promoting layer is 0.1～0.5 μ m, the coating dry weight of described adhesion promoting layer is 0.05～0.5g/ ㎡, more preferably the thickness of described adhesion promoting layer is 0.2～0.4 μ m, and the coating dry weight of described adhesion promoting layer is 0.1～0.3g/ ㎡.
The beneficial effects of the utility model are: by being coated with adhesion promoting layer in hot melt adhesive layer one side, can improve the cementability between pre-coating film and the printed matter, make the bonding force of this pre-coating film be far longer than common pre-coating film, be fit to be applied to that postprocessing working procedures requires, moistened surface tension force is low and in the printing of high-speed lower more difficult overlay film; With biaxially oriented film as base material, polymine is as the middle layer, polyethylene copolymer is as hot melt adhesive layer and contain the polyaminoester emulsion of ancillary component as the pre-coating film of adhesion promoting layer, it is a kind of novel pre-coating film, because its bonding force is larger, so that utilize embossing behind this pre-coating film overlay film, bindings etc. are hit protruding technique and are able to perfect the realization, satisfy numerous clients' overlay film demand, simultaneously with polyaminoester emulsion as adhesion promoting layer, its permeable ink lay that advances printed matter, and can good bonding force be arranged with multiple inks, printed matter had the superelevation adhesion properties, the contrast prior art, this pre-coating film has simple in structure, easy to make, the advantage that adhesiveproperties is high.
Description of drawings
Fig. 1 is the structural representation of biaxial tension mucosity-increasing precoating film described in the utility model;
Fig. 2 is for producing the flowage structure synoptic diagram of biaxial tension mucosity-increasing precoating film described in the utility model.
Among the figure:
01, base material; 02, middle layer; 03, hot melt adhesive layer; 04, adhesion promoting layer;
1, unreeling machine; 2, corona processor; 3, the first coating roll; 4, the first coating pan; 5, drying channel; 6, nip roller; 7, forcing machine; 8, cooling roller; 9, the second coating roll; 10, the second coating pan; 11, winder; 12, ozonizer.
Embodiment
As shown in Figure 1, a kind of biaxial tension mucosity-increasing precoating film described in the utility model comprises base material 01, at base material 01 middle layer 02 is set, and 02 arranges hot melt adhesive layer 03 in the middle layer, and adhesion promoting layer 04 also is set on hot melt adhesive layer 03.
Wherein base material 01 is selected biaxially oriented film, and polymine (PEI) is selected in middle layer 02, and hot melt adhesive layer 03 is selected polyethylene copolymer, and adhesion promoting layer 04 is then selected the aqueous polyurethane emulsion that contains ancillary component.By being coated with adhesion promoting layer 04 in hot melt adhesive layer 03 1 sides, can improve the cementability between pre-coating film and the printed matter, make the bonding force of this pre-coating film be far longer than common pre-coating film, be fit to be applied to that postprocessing working procedures requires, moistened surface tension force is low and in the printing of high-speed lower more difficult overlay film; With biaxially oriented film as base material 01, polymine (PEI) is as middle layer 02, polyethylene copolymer is as hot melt adhesive layer 03 and contain the polyaminoester emulsion of ancillary component as the pre-coating film of adhesion promoting layer 04, it is a kind of novel pre-coating film, because its bonding force is larger, so that utilize embossing behind this pre-coating film overlay film, bindings etc. are hit protruding technique and are able to perfect the realization, satisfy numerous clients' overlay film demand, simultaneously with polyaminoester emulsion as adhesion promoting layer 04, its permeable ink lay that advances printed matter, and can good bonding force be arranged with multiple inks, printed matter is had the superelevation adhesion properties.
Embodiment one:
Biaxially oriented polyester film take width as 1600mm (BOPET) tackify pre-coating film is example, is described in detail:
As shown in Figure 1, biaxially oriented polyester film (BOPET) tackify pre-coating film is comprised of base material 01, middle layer 02, hot melt adhesive layer 03 and adhesion promoting layer 04, and base material 01, middle layer 02, hot melt adhesive layer 03 are identical with the width of adhesion promoting layer 04.
Wherein base material 01 adopts biaxially oriented polyester film (BOPET), and width is 1620mm, and thickness is 12 μ m;
Polymine (PEI) is adopted in middle layer 02, and the solid content of its coating is 1.2%, and the width of coating is 1620mm, and thickness is 0.015 μ m, and glue spread is between 0.009～0.01g/ ㎡;
Hot melt adhesive layer 03 adopts ethene-vinyl acetate (EVA) multipolymer, and compound width is 1620mm, and thickness is 13 μ m.
The thickness of the pre-coating film that manufacturing is finished is about 25.4 μ m.
The production method of biaxially oriented polyester film (BOPET) tackify pre-coating film as shown in Figure 2, may further comprise the steps:
Step a: substrate layer unreels
Be that 12 μ m biaxially oriented polyester films (BOPET) are placed on the unreeling machine 1 and unreel by air-expanding shaft with thickness, with its expansion;
The corona treatment of step b, base material:
Biaxially oriented polyester film (BOPET) base material that launches is sent into corona processor 2, the one side in its middle layer to be coated is carried out corona treatment, so that its surperficial dyne value is 54;
C, coating middle layer:
From corona processor 2 out by the biaxially oriented polyester film of corona treatment (BOPET) base material, enter the first coating roll 3, polymine (PEI) aqueous solution that the first coating roll 3 will be placed in the first coating pan 4 is coated on the corona treatment surface of base material, be combined with biaxially oriented polyester film (BOPET) base material in polymine (PEI) middle layer, then in conjunction with after film enter drying channel 5 and carry out drying and processing, the thickness in the middle layer after the oven dry is 0.015 μ m, and glue spread is between 0.009～0.01g/ ㎡;
D, composite hot melt glue-line:
Extrude the forcing machine 7 of composite production line and extrude ethene-vinyl acetate (EVA) multipolymer hot melt adhesive, multi-procedure place at production line is provided with ozonizer, by ozonizer generation ozone and by the curtain coating place of ozonizer 12 winding-ups to the hot melt adhesive of extruding, the nip roller 6 of the while production line biaxially oriented polyester film that is combined with polymine (BOPET) film of drying is delivered to multi-procedure, and pass through nip roller 6 with the hot melt adhesive that is cast to the multi-procedure position and push combinations, form composite membrane, 8 coolings (temperature is 20 ℃) are processed through cooling roller again, and the thickness of hot melt adhesive layer is 13 μ m;
E, coating adhesion promoting layer:
The film that sends from cooling roller 8 enters the second coating roll 9, the second coating roll 9 will be placed on solid content in the second coating pan 10 on 5%～50% polyaminoester emulsion and the content hot melt adhesive layer surface at 0.1%～10% ancillary component mixture coated thin film, it is combined with film, then in conjunction with after film enter drying channel 5 and carry out drying and processing, the thickness of the adhesion promoting layer after the oven dry is 0.3 μ m, the coating dry weight of adhesion promoting layer is between 0.05～0.5g/ ㎡, and the ancillary component in the adhesion promoting layer comprises flow agent, adhesion promoters etc.;
F, finished product rolling:
Carry out rolling by 11 pairs of pre-coating films that machine of winder, the accumulative total of the coiled material pre-painting film both sides of the edge after the rolling is cut away 20mm, the finished product width is 1600mm, and thickness is 25.4 μ m, thickness deviation≤2 μ m.
Embodiment two:
BiOriented Polypropylene Films take width as 1600mm (BOPP) tackify pre-coating film is example, is described in detail:
As shown in Figure 1, BiOriented Polypropylene Films (BOPP) tackify pre-coating film is comprised of base material 01, middle layer 02, hot melt adhesive layer 03 and adhesion promoting layer 04, and base material 01, middle layer 02, hot melt adhesive layer 03 are identical with the width of adhesion promoting layer 04.
Wherein base material 01 adopts BiOriented Polypropylene Films (BOPP), and width is 1620mm, and thickness is 20 μ m;
Polymine (PEI) is adopted in middle layer 02, and the solid content of its coating is 0.8%, and the width of coating is 1620mm, and thickness is 0.01 μ m, and glue spread is between 0.009～0.01g/ ㎡;
Hot melt adhesive layer 03 adopts ethylene-methyl acrylate (EMA) multipolymer, and compound width is 1620mm, and thickness is 20 μ m.
The thickness of the pre-coating film that manufacturing is finished is about 40.5 μ m.
The production method of BiOriented Polypropylene Films (BOPP) tackify pre-coating film as shown in Figure 2, may further comprise the steps:
Step a: substrate layer unreels
Be that 20 μ m BiOriented Polypropylene Filmss (BOPP) are placed on the unreeling machine 1 and unreel by air-expanding shaft with thickness, with its expansion;
The corona treatment of step b, base material:
BiOriented Polypropylene Films (BOPP) base material that launches is sent into corona processor 2, the one side in its middle layer to be coated is carried out corona treatment, so that its surperficial dyne value is 36;
C, coating middle layer:
From corona processor 2 out by the BiOriented Polypropylene Films of corona treatment (BOPP) base material, enter the first coating roll 3, polymine (PEI) aqueous solution that the first coating roll 3 will be placed in the first coating pan 4 is coated on the corona treatment surface of base material, be combined with BiOriented Polypropylene Films (BOPP) base material in polymine (PEI) middle layer, then in conjunction with after film enter drying channel 5 and carry out drying and processing, the thickness in the middle layer after the oven dry is 0.01 μ m, and glue spread is between 0.009～0.01g/ ㎡;
D, composite hot melt glue-line:
Extrude the forcing machine 7 of composite production line and extrude ethylene-methyl acrylate (EMA) multipolymer hot melt adhesive, multi-procedure place at production line is provided with ozonizer, by ozonizer generation ozone and by the curtain coating place of ozonizer 12 winding-ups to the hot melt adhesive of extruding, the nip roller 6 of the while production line BiOriented Polypropylene Films that is combined with polymine (BOPP) film of drying is delivered to multi-procedure, and pass through nip roller 6 with the hot melt adhesive that is cast to the multi-procedure position and push combinations, form composite membrane, stretched again, cooling roller 8 coolings (temperature is 20 ℃) are processed, and the thickness of hot melt adhesive layer is 20 μ m;
E, coating adhesion promoting layer:
The film that sends from cooling roller 8 enters the second coating roll 9, the second coating roll 9 will be placed on solid content in the second coating pan 10 on 5%～50% polyaminoester emulsion and the content hot melt adhesive layer surface at 0.1%～10% ancillary component mixture coated thin film, it is combined with film, then in conjunction with after film enter drying channel 5 and carry out drying and processing, the thickness of the adhesion promoting layer after the oven dry is 0.5 μ m, the coating dry weight of adhesion promoting layer is between 0.05～0.5g/ ㎡, and the ancillary component in the adhesion promoting layer comprises flow agent, adhesion promoters etc.;
F, finished product rolling:
Carry out rolling by 11 pairs of pre-coating films that machine of winder, the accumulative total of the coiled material pre-painting film both sides of the edge after the rolling is cut away 20mm, the finished product width is 1600mm, and thickness is 40.5 μ m, thickness deviation≤2 μ m.。
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within the protection domain of the present utility model.
Claims (7)
1. a biaxial tension mucosity-increasing precoating film comprises being base material, middle layer, the hot melt adhesive layer that sets gradually, and it is characterized in that, adhesion promoting layer also is set on the described hot melt adhesive layer.
2. biaxial tension mucosity-increasing precoating film according to claim 1 is characterized in that, described base material is biaxially oriented film, and described middle layer is polymine, and described hot melt adhesive layer is polyethylene copolymer.
3. biaxial tension mucosity-increasing precoating film according to claim 2 is characterized in that, described base material is biaxially oriented polyester film or BON biaxially oriented nylon film or BiOriented Polypropylene Films.
4. biaxial tension mucosity-increasing precoating film according to claim 2, it is characterized in that described hot melt adhesive layer is ethylene-vinyl acetate copolymer or ethylene-ethyl acrylate copolymer or ethylene-acrylic acid copolymer or ethylene-methyl acrylate copolymer or Low Density Polyethylene.
5. arbitrary described biaxial tension mucosity-increasing precoating film according to claim 1～4, it is characterized in that, the thickness of described base material is 10～30 μ m, the thickness in described middle layer is 0.01～0.03 μ m, the thickness of described hot melt adhesive layer is 10～35 μ m, the thickness of described adhesion promoting layer is 0.1～0.5 μ m, and the coating dry weight of described adhesion promoting layer is 0.05～0.5g/m
2
6. biaxial tension mucosity-increasing precoating film according to claim 5, it is characterized in that, the thickness of described base material is 12～20 μ m, the thickness in described middle layer is 0.01～0.02 μ m, the thickness of described hot melt adhesive layer is 12～25 μ m, the thickness of described adhesion promoting layer is 0.2～0.4 μ m, and the coating dry weight of described adhesion promoting layer is 0.1～0.3g/m
2
7. biaxial tension mucosity-increasing precoating film according to claim 2 is characterized in that, the molecular formula of described polymine: (CH
2CH
2NH) n selects the n value according to the molecular-weight average of polymkeric substance in 1000～10000 scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321284 CN202912881U (en) | 2012-07-04 | 2012-07-04 | Two-way stretch tackifying precoating film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220321284 CN202912881U (en) | 2012-07-04 | 2012-07-04 | Two-way stretch tackifying precoating film |
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| CN 201220321284 Expired - Lifetime CN202912881U (en) | 2012-07-04 | 2012-07-04 | Two-way stretch tackifying precoating film |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757738A (en) * | 2012-07-04 | 2012-10-31 | 北京康得新复合材料股份有限公司 | Biaxially-oriented tackified precoating film and production method thereof |
| CN104212376A (en) * | 2014-08-25 | 2014-12-17 | 安徽嘉木橡塑工业有限公司 | Pre-coated base film |
| CN104710947A (en) * | 2015-01-13 | 2015-06-17 | 北京康得新功能材料有限公司 | Precoating membrane used for metal surface and preparation method thereof |
-
2012
- 2012-07-04 CN CN 201220321284 patent/CN202912881U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757738A (en) * | 2012-07-04 | 2012-10-31 | 北京康得新复合材料股份有限公司 | Biaxially-oriented tackified precoating film and production method thereof |
| CN102757738B (en) * | 2012-07-04 | 2014-08-13 | 北京康得新复合材料股份有限公司 | Biaxially-oriented tackified precoating film and production method thereof |
| CN104212376A (en) * | 2014-08-25 | 2014-12-17 | 安徽嘉木橡塑工业有限公司 | Pre-coated base film |
| CN104710947A (en) * | 2015-01-13 | 2015-06-17 | 北京康得新功能材料有限公司 | Precoating membrane used for metal surface and preparation method thereof |
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