CN104910827A - Pre-coated film, preparation method thereof and printed matter - Google Patents
Pre-coated film, preparation method thereof and printed matter Download PDFInfo
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- CN104910827A CN104910827A CN201510412684.0A CN201510412684A CN104910827A CN 104910827 A CN104910827 A CN 104910827A CN 201510412684 A CN201510412684 A CN 201510412684A CN 104910827 A CN104910827 A CN 104910827A
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Abstract
The invention provides a pre-coated film which comprises a hot melt adhesive layer, a plastic substrate layer and a coating layer, wherein the plastic substrate layer is arranged on the surface of the hot melt adhesive layer, and the coating layer is arranged on the surface of the plastic substrate layer and comprises polyurethane and polyethylenimin cross-linking agents. The pre-coated film with the coating layer has fine friction resistance, and the surface of a printed matter can be effectively protected after the pre-coated film and the printed matter are combined. The coating layer in the pre-coated film has smooth and exquisite touching sensation of velvet, the pre-coated film and the printed matter are combined, so that the printed matter is thick, solid and full in texture and bright and soft in color, gloss and artistic effects of the printed matter are improved, and the printed matter is effectively decorated. The invention further provides a preparation method of the pre-coated film and the printed matter.
Description
Technical field
The present invention relates to printing film coating technique field, particularly relate to a kind of pre-coating film and preparation method thereof and printed matter.
Background technology
Pre-coating film technique refer in advance by after plastics film gluing rewinding again with the technique of paper printing products compound, first according to using the difference of specification breadth, glue-coating being selected for producer after rewinding on film by pre-coating film source mill, then carrying out overlay film with printed matter again; Plastics film is coated tamanori by overlay film exactly, makes it to stick together after heating, pressurizeing with paper printed matter, forms the product processing technique of paper unification.Printed matter after overlay film, due to the surface plastics film how one deck is thin and transparent, surface more level and smooth light, thus improve glossiness and the fastness of printed matter, make picture and text color more bright-coloured, be rich in stereoscopic sensation, play the effects such as waterproof, antifouling, wear-resisting, resistance to folding, resistance to chemical attack simultaneously.Pre-coating film is widely used on the paper printing matters such as all kinds of packing box, packing bag, book cover.
Pre-coating film is made up of base material and tamanori glue-line, and base material is generally polyester (PET) film and Biaxially oriented polypropylene film (BOPP) (BOPP) film.The adhesive layer of pre-coating film has fusion and two kinds, solvent evaporates type, and according to the difference of processing units and processing condition, select the adhesive layer of different thickness, the thickness of adhesive layer is generally between 5 ~ 15 microns.Application number be 201310723901.9 Chinese patent disclose a kind of pre-coating film, comprise: substrate layer, the pre-rubberised layer being arranged at the glazing adherent layer on substrate layer first surface and being arranged on substrate layer second, this pre-coating film adopts particular polymeric technique to obtain large arch dam polydispersion particle diameter styrene-acrylic composite emulsion as pre-rubberised layer, there is good bonding force, excellent cohesive strength is had to the various printing technique printed matter that particularly digital printing technology is produced, the embossing after overlay film can be made, rolling lines etc. hit prominent technique and are able to perfect realization, simultaneously, owing to adopting modification glycidoxypropyltrimewasxysilane as glazing adherent layer, there is universality strong, high color saturation, high brightness, high wide degree, the advantages such as high-flatness, meet day by day various printed matter overlay film demand.But the friction resistant poor-performing of this pre-coating film that prior art provides, does not have friction resistant effect with after paper compound, causes printed matter surface easily to be scratched.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of pre-coating film and preparation method thereof and printed matter, pre-coating film provided by the invention has good friction resistant performance.
The invention provides a kind of pre-coating film, comprising:
Hot melt adhesive layer;
Be arranged on the plastic base sheet material layers on described hot melt adhesive layer surface;
Be arranged on the dope layer on described plastic base sheet material layers surface, described dope layer comprises urethane and polyaziridine crosslinking agent.
Preferably, described urethane is aqueous polyurethane.
Preferably, the mass ratio of described urethane and polyaziridine crosslinking agent is (90 ~ 99): (10 ~ 1).
Preferably, the thickness of described dope layer is 2 microns ~ 5 microns.
Preferably, described plastic base sheet material layers comprises polypropylene film.
Preferably, the thickness of described plastic base sheet material layers is 12 microns ~ 20 microns.
Preferably, described hot melt adhesive layer comprises ethylene-vinyl acetate copolymer.
Preferably, the thickness of described hot melt adhesive layer is 12 microns ~ 20 microns.
Containing dope layer in pre-coating film provided by the invention, this pre-coating film with dope layer has good burnish resistance, after pre-coating film provided by the invention and printed matter compound, can play better protecting effect to printed matter surface.Experimental result shows, after pre-coating film provided by the invention and paper printed matter compound, paper printed matter is 4 pounds/420 times ~ 4 pounds/430 times with the friction resistant performance on pre-coating film surface.
In addition, in pre-coating film provided by the invention, dope layer has smooth, the fine and smooth sense of touch of velvet, make the texture of printed matter abundant plentiful, bright in luster soft after this pre-coating film and printed matter compound, improve gloss and the artistic effect of printed matter, to printed matter, there is good decoration function.
The invention provides a kind of preparation method of pre-coating film, comprising:
By paint on plastic basis material surface, form dope layer on plastic basis material surface; Described coating comprises urethane and polyaziridine crosslinking agent;
Hot-melt is overlayed on another surface of described plastic basis material, obtain pre-coating film.
The preparation method of pre-coating film provided by the invention is surperficial at plastic basis material by paint in the process preparing pre-coating film, dope layer is formed on the surface of plastic basis material, described coating comprises urethane and polyaziridine crosslinking agent, and the dope layer that this coating is formed makes the pre-coating film prepared have good friction resistant performance.In addition, in the pre-coating film that method provided by the invention prepares, dope layer surface has smooth, the fine and smooth sense of touch of velvet, make the texture of printed matter abundant plentiful, bright in luster soft after this pre-coating film and printed matter compound, improve gloss and the artistic effect of printed matter, to printed matter, there is good decoration function.
The invention provides a kind of printed matter, the surface recombination of described printed matter has pre-coating film, and described pre-coating film is the pre-coating film described in technique scheme, or the pre-coating film that the method described in technique scheme prepares.
Printed matter surface provided by the invention is compounded with the pre-coating film described in technique scheme, makes this printed matter have good friction resistant performance.In addition, printed matter surface provided by the invention has smooth, the fine and smooth sense of touch of velvet, and the texture of printed matter is abundant plentiful, bright in luster soft, has good gloss and artistic effect.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of pre-coating film, comprising:
Hot melt adhesive layer;
Be arranged on the plastic base sheet material layers on described hot melt adhesive layer surface;
Be arranged on the dope layer of described substrate surface, described dope layer comprises urethane and polyaziridine crosslinking agent.
Pre-coating film provided by the invention comprises hot melt adhesive layer.In an embodiment of the present invention, the thickness of described hot melt adhesive layer is 12 microns ~ 20 microns; In other examples, the thickness of described hot melt adhesive layer is 14 microns ~ 18 microns; In a further embodiment, the thickness of described hot melt adhesive layer is 15 microns ~ 16 microns.
In an embodiment of the present invention, in described hot melt adhesive layer, the density of hot melt adhesive is 0.93g/cm
3~ 0.94g/cm
3.In an embodiment of the present invention, in described hot melt adhesive layer, the melt flow rate (MFR) of hot melt adhesive is 50g/10min ~ 400g/10min; In other examples, in described hot melt adhesive layer, the melt flow rate (MFR) of hot melt adhesive is 100g/10min ~ 300g/10min; In a further embodiment, in described hot melt adhesive layer, the melt flow rate (MFR) of hot melt adhesive is 150g/10min ~ 200g/10min.In an embodiment of the present invention, in described hot melt adhesive layer, the tensile strength of hot melt adhesive is 50Kg/cm
2~ 80Kg/cm
2; In other examples, in described hot melt adhesive layer, the tensile strength of hot melt adhesive is 55Kg/cm
2~ 75Kg/cm
2; In a further embodiment, in described hot melt adhesive layer, the tensile strength of hot melt adhesive is 60Kg/cm
2~ 70Kg/cm
2.In an embodiment of the present invention, in described hot melt adhesive layer, the shore hardness of hot melt adhesive is 80 ~ 85; In other examples, in described hot melt adhesive layer, the shore hardness of hot melt adhesive is 84.In an embodiment of the present invention, in described hot melt adhesive layer the disrumpent feelings point of hot melt adhesive anti-to stretch intensity be 750% ~ 850%; In other examples, in described hot melt adhesive layer the disrumpent feelings point of hot melt adhesive anti-to stretch intensity be 780% ~ 820%; In a further embodiment, in described hot melt adhesive layer the disrumpent feelings point of hot melt adhesive anti-to stretch intensity be 800%.In an embodiment of the present invention, in described hot melt adhesive layer, the Vicat softening point of hot melt adhesive is 40 DEG C ~ 45 DEG C; In other examples, in described hot melt adhesive layer, the Vicat softening point of thermosol is 44 DEG C.In an embodiment of the present invention, in described hot melt adhesive layer, the fusing point of thermosol is 80 DEG C ~ 85 DEG C; In other examples, in described hot melt adhesive layer, the fusing point of hot melt adhesive is 81 DEG C.
In an embodiment of the present invention, described hot melt adhesive layer comprises ethylene-vinyl acetate copolymer.In an embodiment of the present invention, in described ethylene-vinyl acetate copolymer, the content of vinyl acetate between to for plastic is 5% ~ 40%; In other examples, in described ethylene-vinyl acetate copolymer, the content of vinyl acetate between to for plastic is 10% ~ 35%; In a further embodiment, in described ethylene-vinyl acetate copolymer, the content of vinyl acetate between to for plastic is 15% ~ 30%.
The present invention does not have special restriction to the source of hot melt adhesive in described hot melt adhesive layer, adopt the hot melt adhesive of mentioned kind well known to those skilled in the art, can be bought by market and obtain, as the hot melt adhesive that Korea S's Samsung, Korea S Han Hua or Mitsui company can be adopted to provide.
Pre-coating film provided by the invention comprises the plastic base sheet material layers being arranged on described hot melt adhesive surface.In an embodiment of the present invention, the thickness of described plastic base sheet material layers is 12 microns ~ 20 microns; In other examples, the thickness of described plastic base sheet material layers is 14 microns ~ 19 microns; In a further embodiment, the thickness of described plastic base sheet material layers is 15 microns ~ 18 microns.
The present invention does not have special restriction to the kind of plastic basis material in described plastic base sheet material layers, adopts the plastic basis material for the preparation of pre-coating film well known to those skilled in the art.In an embodiment of the present invention, the transverse tensile strength >=120MPa of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, the longitudinal tensile strength >=200MPa of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, transverse breakage elongation≤180% of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, longitudinal fracture elongation≤65% of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, static friction coefficient≤0.8 of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, kinetic friction coefficient≤0.8 of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, horizontal percent thermal shrinkage≤4.5% of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, longitudinal percent thermal shrinkage≤3% of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, mist degree≤2% of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, glossiness >=85% of plastic basis material in described plastic base sheet material layers.In an embodiment of the present invention, wetting tension >=38 of plastic basis material in described plastic base sheet material layers.
In an embodiment of the present invention, described plastic base sheet material layers comprises polypropylene film; In other examples, described plastic base sheet material layers comprises BiOriented Polypropylene Films.The present invention does not have special restriction to the source of plastic basis material in described plastic base sheet material layers, can be bought obtain, as the BiOriented Polypropylene Films that golden field (Tongcheng) Su Ye company limited can be adopted to provide by market.
Pre-coating film provided by the invention comprises the dope layer being arranged on described plastic base sheet material layers surface, and described dope layer comprises urethane and polyaziridine crosslinking agent.In the present invention, described dope layer makes pre-coating film provided by the invention have good burnish resistance, after pre-coating film provided by the invention and printed matter compound, can play better protecting effect to printed matter surface; In addition, described dope layer makes pre-coating film provided by the invention have good antifouling property; In addition, described dope layer has smooth, the fine and smooth sense of touch of velvet, make the texture of printed matter after pre-coating film provided by the invention and printed matter compound abundant plentiful, bright in luster soft, improve gloss and the artistic effect of printed matter, to printed matter, there is good decoration function.
In an embodiment of the present invention, the thickness of described dope layer is 2 microns ~ 5 microns; In other examples, the thickness of described dope layer is 3 microns ~ 4 microns.
In the present invention, described dope layer comprises urethane and polyaziridine crosslinking agent.In an embodiment of the present invention, described urethane is aqueous polyurethane; In other examples, described urethane is aqueous polyurethane dispersion.In an embodiment of the present invention, described aqueous polyurethane dispersion can be anion-type water-thinned polyurethane dispersion, cation-type water-thinned polyurethane dispersion or non-ion aqueous polyurethane dispersion.In an embodiment of the present invention, the pH value of described aqueous polyurethane dispersion is 5 ~ 7.In an embodiment of the present invention, the pH value of described polyaziridine crosslinking agent is 8 ~ 9.
In an embodiment of the present invention, the mass ratio of described urethane and polyaziridine crosslinking agent is (90 ~ 99): (10 ~ 1); In other examples, the mass ratio of described urethane and polyaziridine crosslinking agent is (95 ~ 98): (5 ~ 2); In other embodiment of the present invention, the mass ratio of described urethane and polyaziridine crosslinking agent is 98:2.
The present invention does not have special restriction to the source of coating in described dope layer, coating method well known to those skilled in the art can be adopted urethane and polyaziridine crosslinking agent mixed preparing to be obtained, also can be bought by market and obtain, the coating of the ex-wf-13-551 model provided as the meticulous coating of Si Taer (Suzhou) company limited can be adopted.
In an embodiment of the present invention, the thickness of described pre-coating film is 30 microns ~ 40 microns; In other examples, the thickness of described pre-coating film is 32 microns ~ 38 microns; In a further embodiment, the thickness of described pre-coating film is 34 microns ~ 36 microns.
The invention provides a kind of preparation method of pre-coating film, comprising:
By paint on plastic basis material surface, form dope layer on plastic basis material surface; Described coating comprises urethane and polyaziridine crosslinking agent;
Hot-melt is overlayed on another surface of described plastic basis material, obtain pre-coating film.
The present invention is by paint on plastic basis material surface, and form dope layer on plastic basis material surface, described coating comprises urethane and polyaziridine crosslinking agent.In the present invention, the kind of described coating and plastic basis material and plastic basis material in coating in dope layer described in technique scheme and plastic base sheet material layers and originate consistent, does not repeat them here.In the present invention, by the consistency of thickness of dope layer described in the thickness of described paint on plastic basis material surface and technique scheme, do not repeat them here.The present invention does not have special restriction to by paint at the coating method on plastic basis material surface, adopts scraper coating method well known to those skilled in the art, roller coat coating method or scraper coating method to carry out applying.
In an embodiment of the present invention, described paint is carried out drying behind plastic basis material surface, form dope layer on plastic basis material surface.In an embodiment of the present invention, the method for described drying can be hot-air dry or infrared drying.In an embodiment of the present invention, the temperature of described drying is 45 DEG C ~ 55 DEG C; In other examples, the temperature of described drying is 50 DEG C.In an embodiment of the present invention, the time of described drying is 0.8 second ~ 1.4 seconds; In other examples, the time of described drying is 1 second ~ 1.2 seconds.
In an embodiment of the present invention, being formed after dope layer on the surface of plastic basis material can by cooling and shaping after with the plastic basis material harvest web-like of dope layer.
After plastic basis material surface forms dope layer, hot-melt is overlayed on another surface of described plastic basis material by the present invention, obtains pre-coating film.In the present invention, the kind of described hot melt adhesive and the hot melt adhesive in hot melt adhesive layer described in technique scheme and originate consistent, does not repeat them here.In the present invention, hot-melt is overlayed on the consistency of thickness of hot melt adhesive layer described in the coating thickness on described another surface of plastic basis material and technique scheme, do not repeat them here.
In an embodiment of the present invention, extrusion coated method can be adopted hot-melt to be overlayed on another surface of described plastic basis material, obtain pre-coating film.In an embodiment of the present invention, the extrusion temperature in described extrusion coated process is 200 DEG C ~ 220 DEG C.In an embodiment of the present invention, extrusion coated machine can be adopted to carry out described extrusion coated.The present invention does not have special restriction to described extrusion coated machine, adopts extrusion coated machine well known to those skilled in the art, as the extrusion coated machine that Jiangmen city Hui Long plastics machinery company limited can be adopted to provide.
The invention provides a kind of printed matter, described printed matter surface is compounded with pre-coating film, and described pre-coating film is the pre-coating film described in technique scheme, or the pre-coating film that the method described in technique scheme prepares.
In the present invention, described pre-coating film is consistent with pre-coating film described in technique scheme, does not repeat them here.The kind of the present invention to described printed matter does not have special restriction, adopts printed matter well known to those skilled in the art, as paper printed matter.In an embodiment of the present invention, described pre-coating film can be compounded in the surface of printed matter by the method for hot pressing.In an embodiment of the present invention, the temperature of described hot pressing is 90 DEG C ~ 100 DEG C; In other examples, the temperature of described hot pressing is 92 DEG C ~ 98 DEG C; In a further embodiment, the temperature of described hot pressing is 94 DEG C ~ 96 DEG C.In an embodiment of the present invention, the pressure of described hot pressing is 8MPa ~ 12MPa.In an embodiment of the present invention, the time of described hot pressing is 1.4S ~ 1.8S.
Overlay film is carried out on the surface that pre-coating film provided by the invention is fitted in paper printed matter by the method for hot pressing, the temperature of described hot pressing is 95 DEG C, the time is 1.6S, pressure is 10MPa.The friction-resistant tester of the MCJ-01A model adopting Labthink Instruments Co., Ltd. company to provide tests the friction resistant performance that above-mentioned paper printed matter contains pre-coating film surface, test result is, the anti-wear performance that described paper printed matter contains pre-coating film surface is 4 pounds/420 times ~ 4 pounds/430 times.
The surface that above-mentioned paper printed matter contains pre-coating film is touched, the sense of touch that surface has velvet smooth, fine and smooth; Observe the surface that above-mentioned printed matter contains pre-coating film, the surface tactile sensation containing pre-coating film is abundant plentiful, bright in luster soft.
Following examples of the present invention raw material used is commercial goods, coating used is the coating of the ex-wf-13-551 model that the meticulous coating of Si Taer (Suzhou) company limited provides, BiOriented Polypropylene Films used is that golden field (Tongcheng) Su Ye company limited provides, the hot melt adhesive of the E182L model that hot melt adhesive used provides for Korea S's Samsung.
Embodiment 1
Adopt the method for scraper coating to be the BiOriented Polypropylene Films surface of 15 microns at thickness by paint, adopt the method for hot-air dry at 50 DEG C dry 1 second, form on BiOriented Polypropylene Films surface the dope layer that thickness is 3 microns;
By the above-mentioned BiOriented Polypropylene Films harvest web-like with dope layer, the extrusion coated machine provided by Jiangmen city Hui Long plastics machinery company limited after cooling and shaping is extrusion coated on another surface of above-mentioned BiOriented Polypropylene Films at 210 DEG C by hot melt adhesive, form the hot melt adhesive layer that thickness is 15 microns, obtain pre-coating film.
According to the method described in technique scheme, the pre-coating film embodiment of the present invention 1 prepared is at paper printed matter surface overlay film, test paper printed matter contains the friction resistant performance on pre-coating film surface, antifouling property and sense of touch, test result is, the paper printed matter surface friction resistant performance of the pre-coating film overlay film adopting the embodiment of the present invention 1 to prepare is 4 pounds/420 times, the sense of touch that surface has velvet smooth, fine and smooth; Texture is abundant plentiful, bright in luster soft.
Embodiment 2
Adopt the method for roller coat coating to be the BiOriented Polypropylene Films surface of 17 microns at thickness by paint, adopt the method for infrared drying at 50 DEG C dry 1.2 seconds, form on BiOriented Polypropylene Films surface the dope layer that thickness is 4 microns;
By the above-mentioned BiOriented Polypropylene Films harvest web-like with dope layer, the extrusion coated machine provided by Jiangmen city Hui Long plastics machinery company limited after cooling and shaping is extrusion coated on another surface of above-mentioned BiOriented Polypropylene Films at 210 DEG C by hot melt adhesive, form the hot melt adhesive layer that thickness is 16 microns, obtain pre-coating film.
According to the method described in technique scheme, the pre-coating film embodiment of the present invention 2 prepared is at paper printed matter surface overlay film, test paper printed matter contains the friction resistant performance on pre-coating film surface, antifouling property and sense of touch, test result is, the paper printed matter surface friction resistant performance of the pre-coating film overlay film adopting the embodiment of the present invention 2 to prepare is 4 pounds/430 times, the sense of touch that surface has velvet smooth, fine and smooth; Texture is abundant plentiful, bright in luster soft.
Embodiment 3
Adopt the method for hanging rod coating to be the BiOriented Polypropylene Films surface of 18 microns at thickness by paint, adopt the method for infrared drying at 55 DEG C dry 1 second, form on BiOriented Polypropylene Films surface the dope layer that thickness is 5 microns;
By the above-mentioned BiOriented Polypropylene Films harvest web-like with dope layer, the extrusion coated machine provided by Jiangmen city Hui Long plastics machinery company limited after cooling and shaping is extrusion coated on another surface of above-mentioned BiOriented Polypropylene Films at 210 DEG C by hot melt adhesive, form the hot melt adhesive layer that thickness is 18 microns, obtain pre-coating film.
According to the method described in technique scheme, the pre-coating film embodiment of the present invention 3 prepared is at paper printed matter surface overlay film, test paper printed matter contains the friction resistant performance on pre-coating film surface, antifouling property and sense of touch, test result is, the paper printed matter surface friction resistant performance of the pre-coating film overlay film adopting the embodiment of the present invention 3 to prepare is 4 pounds/425 times, the sense of touch that surface has velvet smooth, fine and smooth; Texture is abundant plentiful, bright in luster soft.
Comparative example 1
Chaoan new century thickness of HZL model of providing of source Industrial Co., Ltd. is the dumb light pre-coating film of 35 microns.
According to the method described in technique scheme, by described dumb light pre-coating film at paper printed matter surface overlay film, test paper printed matter contains the friction resistant performance on pre-coating film surface, antifouling property and sense of touch, test result is, the paper printed matter surface nonreactive frictional behaviour of the dumb light pre-coating film overlay film adopting comparative example 1 of the present invention to provide, surface touch is drier and more astringent.
As seen from the above embodiment, the invention provides a kind of pre-coating film, comprising: hot melt adhesive layer; Be arranged on the plastic base sheet material layers on described hot melt adhesive layer surface; Be arranged on the dope layer on described plastic base sheet material layers surface, described dope layer comprises urethane and polyaziridine crosslinking agent.Containing dope layer in pre-coating film provided by the invention, this pre-coating film with dope layer has good burnish resistance, after pre-coating film provided by the invention and printed matter compound, can play better protecting effect to printed matter surface.In addition, in pre-coating film provided by the invention, dope layer has smooth, the fine and smooth sense of touch of velvet, make the texture of printed matter abundant plentiful, bright in luster soft after this pre-coating film and printed matter compound, improve gloss and the artistic effect of printed matter, to printed matter, there is good decoration function.
Claims (10)
1. a pre-coating film, comprising:
Hot melt adhesive layer;
Be arranged on the plastic base sheet material layers on described hot melt adhesive layer surface;
Be arranged on the dope layer on described plastic base sheet material layers surface, described dope layer comprises urethane and polyaziridine crosslinking agent.
2. pre-coating film according to claim 1, is characterized in that, described urethane is aqueous polyurethane.
3. pre-coating film according to claim 1, is characterized in that, the mass ratio of described urethane and polyaziridine crosslinking agent is (90 ~ 99): (10 ~ 1).
4. pre-coating film according to claim 1, is characterized in that, the thickness of described dope layer is 2 microns ~ 5 microns.
5. pre-coating film according to claim 1, is characterized in that, described plastic base sheet material layers comprises polypropylene film.
6. pre-coating film according to claim 1, is characterized in that, the thickness of described plastic base sheet material layers is 12 microns ~ 20 microns.
7. pre-coating film according to claim 1, is characterized in that, described hot melt adhesive layer comprises ethylene-vinyl acetate copolymer.
8. pre-coating film according to claim 1, is characterized in that, the thickness of described hot melt adhesive layer is 12 microns ~ 20 microns.
9. a preparation method for pre-coating film, comprising:
By paint on plastic basis material surface, form dope layer on plastic basis material surface; Described coating comprises urethane and polyaziridine crosslinking agent;
Hot-melt is overlayed on another surface of described plastic basis material, obtain pre-coating film.
10. a printed matter, described printed matter surface is compounded with pre-coating film, and described pre-coating film is the pre-coating film in claim 1 ~ 8 described in any one, or the pre-coating film that method according to claim 9 prepares.
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| CN105238248A (en) * | 2015-10-22 | 2016-01-13 | 东莞市梅居印刷材料有限公司 | Double-composition cured resin used for film covering of paper products and paper-product film covering method |
| CN109166452A (en) * | 2018-07-23 | 2019-01-08 | 福建省张氏新材料科技有限公司 | A kind of skin sensible heat mark copy printing and its production technology |
| CN110511687A (en) * | 2019-08-16 | 2019-11-29 | 深圳市三上高分子环保新材料股份有限公司 | The degradable pre-coating film of surface touch and its production line and production method |
| CN113736381A (en) * | 2021-10-15 | 2021-12-03 | 安徽亿鸿新材料科技有限公司 | Pre-coating film with high surface adhesion and preparation method thereof |
| CN115889142A (en) * | 2022-09-30 | 2023-04-04 | 惠州市盛昌纸业有限公司 | Intelligent pre-coating treatment method for carton |
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Application publication date: 20150916 |