CN102229786A - High-efficiency environmentally-friendly lamination film - Google Patents
High-efficiency environmentally-friendly lamination film Download PDFInfo
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- CN102229786A CN102229786A CN2011101160593A CN201110116059A CN102229786A CN 102229786 A CN102229786 A CN 102229786A CN 2011101160593 A CN2011101160593 A CN 2011101160593A CN 201110116059 A CN201110116059 A CN 201110116059A CN 102229786 A CN102229786 A CN 102229786A
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Abstract
The invention discloses a high-efficiency environmentally-friendly lamination film which is characterized by consisting of a base material layer (1) and a hot melt adhesive layer (2), wherein the base material layer (1) and the hot melt adhesive layer (2) are laminated together, the base material layer (1) is a Biaxially Oriented Polypropylene (BOPP) film or a biaxially oriented Polyethylene Terephthalate (PET) film; the hot melt adhesive layer (2) is formed by mixing an Ethylene-Vinyl Acetate (EVA) mixture with an Ethylene Acrylic Acid (EAA) copolymer, the EVA mixture accounts for 75-9zwt% of the hot melt adhesive layer (2), and the (EAA) copolymer accounts for 8-25wt% of the hot melt adhesive layer (2). Since EAA copolymer resin is added to endow the hot melt adhesive layer with high adhesiveness and high brightness, not only can the light transparency of a composite adhesive film be guaranteed, but also the hot melt adhesive layer has high adhesive power, thus the elegance and quality stability of printed products are enhanced, besides, owing to the strong adhesive force with the printed products, the high-efficiency environmentally-friendly lamination film can be used for overcoming the quality defect that film removal is caused and the like during embossing, impressing and other mechanical impact-type technological processing after film coating.
Description
Technical field
The present invention is a kind of pre-coating film, and this product uses at the stationery printed matter surface, belongs to the paper-plastic composite film technical field.
Background technology
Paper printed matter overlay film is one of master operation in the post-press finishing, be meant in advance with after the plastics film gluing rewinding again with paper printing products compound technology.Overlay film, promptly pad pasting is coated tamanori with plastics film exactly, makes it to stick together after heating, pressurization with the paper printed matter, forms the processing technology of paper unification product.Through the printed matter of overlay film, since the much more surperficial thin and transparent plastics film of one deck, the more level and smooth light in surface, thereby improve the glossiness and the fastness of printed matter, the picture and text color is more bright-coloured, is rich in stereoscopic sensation, more plays effects such as waterproof, antifouling, wear-resisting, anti-Zhe, resistance to chemical attack simultaneously.
The overlay film branch is coat film and precoating overlay film two classes: the former is to be that coat film is to rise in the sixties coating technique behind the seal of printed matter, packaged product, but this technology is directly used in the overlay film process and is contained benzene solvent, therefore bring the various drawbacks that can't overcome to complete processing: (1) is owing to contain organic solvent chemical substance such as benzene solvent during overlay film and volatilize in atmosphere, cause environmental pollution, even fire hazardous; (2) product surface often produces bright spot or the mist product that glossiness differs the phenomenon of curling takes place easily, during gluing during the excessive or oven dry of pressure temperature too high, the serious phenomenon of curling takes place in product easily; (3) occur easily bubbling and stripping phenomenon, under the Working environment of big area field printing or high humidity, foaming and stripping phenomenon are particularly serious.The latter is the pre-coating film film coating technique, the volatilization pollution, non-environmental-pollution, the not harmful residuals that in production of pre-coating film overlay film and use, do not have toxic gas, can be widely used on the packings such as books and periodicals, tobacco and wine, food, can not cause potential threat the consumption user; Simultaneously need not join glue, links such as coating and oven dry make the overlay film process more succinct efficient; Can not occur bubbling and stripping phenomenon the longer service life of product; Very strong protection against the tide, waterproof, fast light, antifouling, anti-chemical corrosion are arranged; Can be at a high speed, efficient, high quality overlay film, smooth finish, sharpness, the in bright gay color degree of product are obviously improved, improve the commerce of product greatly and compete power and value.
Summary of the invention
The invention provides a kind of high-efficiency environment friendly pre-coating film, this not only environmental protection of high-efficiency environment friendly pre-coating film, convenience, safety, efficient, also has superpower binding property, high-efficiency environment friendly pre-coating film of the present invention and paper printed matter are laminated with, carry out processing such as impression, embossing, frosted after satisfying overlay film, be suitable for the overlay film of various paper printed matters.
The present invention can take following technical scheme: a kind of high-efficiency environment friendly pre-coating film, it is characterized in that: mainly form by substrate layer and hot melt adhesive layer, substrate layer and hot melt adhesive layer are compound in together, and substrate layer is thin film of biaxial stretching polypropylene (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 hot melt adhesive layer respectively is: ethylene-vinyl acetate mixture (EVA) 75%～92%, ethylene acrylic acid co polymer (EAA) 8%～25%.
The present invention can take following further innovative approach for the technical solution problem:
Described a kind of high-efficiency environment friendly pre-coating film is characterized in that: the softening temperature of hot melt adhesive layer is 85 ℃～125 ℃, acid number (mgKOH/g)＜0.6, bromine number (g/100g)＜3.
Described a kind of high-efficiency environment friendly pre-coating film is characterized in that: the VA content 7%～27% in the ethylene-vinyl acetate of hot melt adhesive layer (EVA).Melting index is 10～17g/10min.
Technique scheme has such technique effect:
High-efficiency environment friendly pre-coating film of the present invention, with BiOriented Polypropylene Films (BOPP) or biaxial stretching polyester (PET) etc. as base material, with ethylene-vinyl acetate (EVA), ethylene acrylic acid co polymer (EAA) mixture as hot melt adhesive layer, the two weight percent that accounts for hot melt adhesive layer respectively is: ethylene-vinyl acetate mixture (EVA) 75%～92%, ethylene acrylic acid co polymer (EAA) 8%～25%.High-efficiency environment friendly pre-coating film transparency is reached more than 97%, be compound in the stationery printed matter surface after, stripping strength reaches more than the 6N/15cm.Because having placed ethylene acrylic acid co polymer (EAA) resin makes hot melt adhesive layer have the characteristics of high adhesive capacity, high brightness, both guaranteed the transparent transparence of compound cutan, make it have high adhesion again, the exquisite degree and the quality stability of printed matter have been improved, and have environmental protection, safety, convenience, energy-conservation, efficient advantage, can satisfy the demanding user of printed matter overlay film aftertreatment.Because itself and printed matter have potent cohesive force, can overcome the disadvantage that has mass defects such as skinning when carrying out mechanical impact property such as embossing, impression art breading behind the overlay film.After high-efficiency environment friendly pre-coating film of the present invention is used in printed matter surface; it is level and smooth more bright that printed matter surface seems; the glossiness and the fastness of printed matter have been improved greatly; prolong the work-ing life of product, again printed matter has been played the provide protection of waterproof, antifouling, wear-resisting, folding, resistance to chemical attack etc.Print product picture and text color behind the overlay film is bright-coloured more attractive in appearance, is rich in match volume more.Be applicable to various printed matters.
Description of drawings
Fig. 1 is a high-efficiency environment friendly pre-coating film membrane structure synoptic diagram of the present invention.
Among the figure: 1-substrate layer 2-hot melt adhesive layer
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is specifically described.
As shown in Figure 1, a kind of high-efficiency environment friendly pre-coating film is characterized in that: mainly be made up of substrate layer 1 and hot melt adhesive layer 2, substrate layer 1 and hot melt adhesive layer 2 are compound in together, and substrate layer 1 is thin film of biaxial stretching polypropylene (BOPP) or biaxially oriented polyester film (BET); Hot melt adhesive layer 2 is that ethylene-vinyl acetate (EVA) mixture and ethylene acrylic acid co polymer (EAA) mix, the weight percent that both account for hot melt adhesive layer 2 respectively is: ethylene-vinyl acetate mixture (EVA) 75%～92%, ethylene acrylic acid co polymer (EAA) 8%～25%.
Described a kind of high-efficiency environment friendly pre-coating film is characterized in that: the softening temperature of hot melt adhesive layer 2 is 85 ℃～125 ℃, acid number (mgKOH/g)＜0.6, bromine number (g/100g)＜3.
Described a kind of high-efficiency environment friendly pre-coating film is characterized in that: the VA content 7%～27% in the ethylene-vinyl acetate of hot melt adhesive layer 2 (EVA).Melting index is 10～17g/10min.
Embodiment 1: a kind of high-efficiency environment friendly pre-coating film, form by substrate layer 1 and hot melt adhesive layer 2, substrate layer 1 and hot melt adhesive layer 2 are compound in together, substrate layer 1 is BiOriented Polypropylene Films (BOPP) or biaxially oriented polyester film (PET), hot melt adhesive layer 2 is that ethylene-vinyl acetate mixture (EVA) and ethylene acrylic acid co polymer (EAA) mix, the weight hundred that the ethylene-vinyl acetate of hot melt adhesive layer 2 (EVA) mixture and ethylene acrylic acid co polymer (EAA) account for hot melt adhesive layer 2 will the branch ratio be: ethylene-vinyl acetate (EVA) mixture 82%, ethylene acrylic acid co polymer (EAA) 18%; Wherein: vinyl acetate between to for plastic (VA) content is 26% in the ethylene-vinyl acetate mixture (EVA), and molten index is 14g/10min, constitutes hot melt adhesive layer 2 after the heat fused.
Hot melt adhesive layer 2 also can utilize ethylene-vinyl acetate and other, and resin is synthetic routinely.
The softening temperature of the ethylene-vinyl acetate alkene (EVA) of hot melt adhesive layer 2 is 85 ℃～125 ℃., acid number (mgKOH/g)＜0.6, bromine number (g/100g)＜3.The total thickness of substrate layer 1 and hot melt adhesive layer 2 is 17～55 microns, and the thickness of substrate layer 1 is 12～25 microns, 5～30 microns of the thickness of hot melt adhesive layer 2.
With forcing machine and compounding machine synthetic composite production line, hot melt adhesive layer 2 is compounded on the substrate layer 1 during production.When producing the high-efficiency environment friendly pre-coating film, substrate layer 1 and hot melt adhesive layer 2 can carry out suitable adjustment, can produce products of different specifications.
During use, hot melt adhesive layer 2 and paper are compound, make high-efficiency environment friendly pre-coating film jail be attached to the paper surface.
Transparency can arrive more than 97.1% when using this product, and peeling force reaches 6.5N/15CM.
Embodiment 2: a kind of high-efficiency environment friendly pre-coating film, form by substrate layer 1 and hot melt adhesive layer 2, substrate layer 1 and hot melt adhesive layer 2 are compound in together, substrate layer 1 is BiOriented Polypropylene Films (BOPP) or biaxially oriented polyester film (PET), hot melt adhesive layer 2 is that ethylene-vinyl acetate mixture (EVA) and ethylene acrylic acid co polymer (EAA) mix, the weight hundred that the ethylene-vinyl acetate of hot melt adhesive layer 2 (EVA) mixture and ethylene acrylic acid co polymer (EAA) account for hot melt adhesive layer 2 will the branch ratio be: ethylene-vinyl acetate (EVA) mixture 83%, ethylene acrylic acid co polymer (EAA) 17%; Wherein: vinyl acetate between to for plastic (VA) content is 12% in the ethylene-vinyl acetate mixture (EVA), and molten index is 10g/10min, constitutes hot melt adhesive layer 2 after the heat fused.
Hot melt adhesive layer 2 also can utilize ethylene-vinyl acetate and other, and resin is synthetic routinely.
The softening temperature of the ethylene-vinyl acetate alkene (EVA) of hot melt adhesive layer 2 is 85 ℃～125 ℃., acid number (mgKOH/g)＜0.6, bromine number (g/100g)＜3.The total thickness of substrate layer and hot melt adhesive layer is 17～55 microns, and the thickness of substrate layer 1 is 12～25 microns, 5～30 microns of the thickness of hot melt adhesive layer 2.
With forcing machine and compounding machine synthetic composite production line, hot melt adhesive layer 2 is compounded on the substrate layer 1 during production.When producing the high-efficiency environment friendly pre-coating film, substrate layer 1 and hot melt adhesive layer 2 can carry out suitable adjustment, can produce products of different specifications.
During use, hot melt adhesive layer 2 and paper are compound, make high-efficiency environment friendly pre-coating film jail be attached to the paper surface.
Transparency can arrive more than 97.2% when using this product, and peeling force reaches 7.3N/15CM.
Embodiment 3: a kind of high-efficiency environment friendly pre-coating film, form by substrate layer 1 and hot melt adhesive layer 2, substrate layer 1 and hot melt adhesive layer 2 are compound in together, substrate layer 1 is BiOriented Polypropylene Films (BOPP) or biaxially oriented polyester film (PET), hot melt adhesive layer 2 is that ethylene-vinyl acetate mixture (EVA) and ethylene acrylic acid co polymer (EAA) mix, the weight hundred that the ethylene-vinyl acetate of hot melt adhesive layer 2 (EVA) mixture and ethylene acrylic acid co polymer (EAA) account for hot melt adhesive layer 2 will the branch ratio be: ethylene-vinyl acetate (EVA) mixture 86%, ethylene acrylic acid co polymer (EAA) 14%; Wherein: vinyl acetate between to for plastic (VA) content is 19% in the ethylene-vinyl acetate mixture (EVA), and molten index is 13g/10min, constitutes hot melt adhesive layer 2 after the heat fused.
Hot melt adhesive layer 2 also can utilize ethylene-vinyl acetate and other, and resin is synthetic routinely.
The softening temperature of the ethylene-vinyl acetate alkene (EVA) of hot melt adhesive layer 2 is 85 ℃～125 ℃, acid number (mgKOH/g)＜0.6, bromine number (g/100g)＜3.The total thickness of substrate layer and hot melt adhesive layer is 17～55 microns, and the thickness of substrate layer 1 is 12～25 microns, 5～30 microns of the thickness of hot melt adhesive layer 2.
With forcing machine and compounding machine synthetic composite production line, hot melt adhesive layer 2 is compounded on the substrate layer 1 during production.When producing the high-efficiency environment friendly pre-coating film, substrate layer 1 and hot melt adhesive layer 2 can carry out suitable adjustment, can produce products of different specifications.
During use, hot melt adhesive layer 2 and paper are compound, make high-efficiency environment friendly pre-coating film jail be attached to the paper surface.
Transparency can arrive more than 97.1% when using this product, and peeling force reaches 7.1N/15CM
Embodiment 4: a kind of high-efficiency environment friendly pre-coating film, form by substrate layer 1 and hot melt adhesive layer 2, substrate layer 1 and hot melt adhesive layer 2 are compound in together, substrate layer 1 is BiOriented Polypropylene Films (BOPP) or biaxially oriented polyester film (PET), hot melt adhesive layer 2 is that ethylene-vinyl acetate mixture (EVA) and ethylene acrylic acid co polymer (EAA) mix, the weight hundred that the ethylene-vinyl acetate of hot melt adhesive layer 2 (EVA) mixture and ethylene acrylic acid co polymer (EAA) account for hot melt adhesive layer 2 will the branch ratio be: ethylene-vinyl acetate (EVA) mixture 89%, ethylene acrylic acid co polymer (EAA) 11%; Wherein: vinyl acetate between to for plastic (VA) content is 24% in the ethylene-vinyl acetate mixture (EVA), and molten index is 16g/10min, constitutes hot melt adhesive layer 2 after the heat fused.
Hot melt adhesive layer 2 also can utilize ethylene-vinyl acetate and other, and resin is synthetic routinely.
The softening temperature of the ethylene-vinyl acetate alkene (EVA) of hot melt adhesive layer 2 is 85 ℃～125 ℃., acid number (mgKOH/g)＜0.6, bromine number (g/100g)＜3.The total thickness of substrate layer and hot melt adhesive layer is 17～55 microns, and the thickness of substrate layer 1 is 12～25 microns, 5～30 microns of the thickness of hot melt adhesive layer 2.
With forcing machine and compounding machine synthetic composite production line, hot melt adhesive layer 2 is compounded on the substrate layer 1 during production.When producing the high-efficiency environment friendly pre-coating film, substrate layer 1 and hot melt adhesive layer 2 can carry out suitable adjustment, can produce products of different specifications.
During use, hot melt adhesive layer 2 and paper are compound, make high-efficiency environment friendly pre-coating film jail be attached to the paper surface.
Transparency can arrive more than 97.0% when using this product, and peeling force reaches 6.9N/15CM.
Technique scheme has such technique effect:
High-efficiency environment friendly pre-coating film of the present invention, with BiOriented Polypropylene Films (BOPP) or biaxial stretching polyester (PET) etc. as base material, with ethylene-vinyl acetate (EVA), ethylene acrylic acid co polymer (EAA) mixture as hot melt adhesive layer, the two weight percent that accounts for hot melt adhesive layer respectively is: ethylene-vinyl acetate mixture (EVA) 75%～92%, ethylene acrylic acid co polymer (EAA) 8%～25%.High-efficiency environment friendly pre-coating film transparency is reached more than 97%, be compound in the stationery printed matter surface after, stripping strength reaches more than the 6N/15cm.Having placed ethylene acrylic acid co polymer (EAA) resin makes hot melt adhesive layer have the characteristics of high adhesive capacity, high brightness, both guaranteed the transparent transparence of compound cutan, make it have high adhesion again, the exquisite degree and the quality stability of printed matter have been improved, and have environmental protection, safety, convenience, energy-conservation, efficient advantage, can satisfy the demanding user of printed matter overlay film aftertreatment.Because it has high adhesive capacity, can overcome the disadvantage that has mass defects such as skinning when carrying out mechanical impact property such as embossing, impression art breading behind the overlay film, can prolong it and just use the life-span, the exquisite degree and the stability of printed matter have been improved, use its technology equipment for coating film of pre-coating film of the present invention not need tamanori heat drying system, simplify the overlay film program greatly, easy to operate, the production handiness is big, solvent-free smell, non-environmental-pollution can be avoided faults such as bubble, delamination fully, and its finished product transparency is high; Also have very strong waterproof, antifouling, wear-resisting, folding, and chemical corrosion etc.; Product behind the overlay film is attractive in appearance; Applicable on various printed matters.
Claims (3)
1. high-efficiency environment friendly pre-coating film, it is characterized in that: mainly form by substrate layer (1) and hot melt adhesive layer (2), substrate layer (1) and hot melt adhesive layer (2) are compound in together, and substrate layer (1) is thin film of biaxial stretching polypropylene (BOPP) or biaxially oriented polyester film (PET); Hot melt adhesive layer (2) is that ethylene-vinyl acetate (EVA) mixture and ethylene acrylic acid co polymer (EAA) mix, the weight percent that both account for hot melt adhesive layer (2) respectively is: ethylene-vinyl acetate mixture (EVA) 75%～92%, ethylene acrylic acid co polymer (EAA) 8%～25%.
2. a kind of high-efficiency environment friendly pre-coating film according to claim 1 is characterized in that: the softening temperature of hot melt adhesive layer (2) is 85 ℃～125 ℃, acid number (mgKOH/g)＜0.6, bromine number (g/100g)＜3.
3. a kind of high-efficiency environment friendly pre-coating film according to claim 1 and 2 is characterized in that: the VA content 7%～27% in the ethylene-vinyl acetate (EVA) of hot melt adhesive layer (2), melting index is 10～17g/10min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110116059 CN102229786B (en) | 2011-04-29 | 2011-04-29 | Environmentally-friendly lamination film |
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| CN 201110116059 CN102229786B (en) | 2011-04-29 | 2011-04-29 | Environmentally-friendly lamination film |
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| CN102229786B CN102229786B (en) | 2013-08-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342970A (en) * | 2013-07-12 | 2013-10-09 | 浙江顺福印业有限公司 | High-efficiency environment-friendly pre-coated film processing technology |
| CN106833403A (en) * | 2017-03-09 | 2017-06-13 | 杭州福斯特光伏材料股份有限公司 | A kind of cohesive polymers film high and purposes |
| CN110305600A (en) * | 2019-05-27 | 2019-10-08 | 黄山永新股份有限公司 | A kind of lightweight high-speed packaging film and its production technology that adjustable point heat-sealing is recyclable |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665174A (en) * | 2009-10-21 | 2010-03-10 | 浙江金石包装有限公司 | Hot melt adhesive aluminum foil sealing film and manufacturing method thereof |
| CN101705060A (en) * | 2009-11-26 | 2010-05-12 | 胡敏生 | Digital pre-laminating film |
| CN102020944A (en) * | 2010-10-27 | 2011-04-20 | 胡敏生 | Hot laminating film for advertisement spray printing |
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2011
- 2011-04-29 CN CN 201110116059 patent/CN102229786B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101665174A (en) * | 2009-10-21 | 2010-03-10 | 浙江金石包装有限公司 | Hot melt adhesive aluminum foil sealing film and manufacturing method thereof |
| CN101705060A (en) * | 2009-11-26 | 2010-05-12 | 胡敏生 | Digital pre-laminating film |
| CN102020944A (en) * | 2010-10-27 | 2011-04-20 | 胡敏生 | Hot laminating film for advertisement spray printing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342970A (en) * | 2013-07-12 | 2013-10-09 | 浙江顺福印业有限公司 | High-efficiency environment-friendly pre-coated film processing technology |
| CN106833403A (en) * | 2017-03-09 | 2017-06-13 | 杭州福斯特光伏材料股份有限公司 | A kind of cohesive polymers film high and purposes |
| CN106833403B (en) * | 2017-03-09 | 2020-11-10 | 杭州福斯特应用材料股份有限公司 | High-adhesion polymer film and application thereof |
| CN110305600A (en) * | 2019-05-27 | 2019-10-08 | 黄山永新股份有限公司 | A kind of lightweight high-speed packaging film and its production technology that adjustable point heat-sealing is recyclable |
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| CN102229786B (en) | 2013-08-07 |
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