TW451018B - Jet ink recording film for advertisement and manufacture of signboard - Google Patents

Abstract

The present invention provides jet ink recording film for advertisement and manufacture of a signboard which can be applied, in a best fitting manner, even to an uneven face and is highly weatherable and further not producing any harmful substance during incineration. A multilayer laminated sheet has at least a single layer of soft polyolefin interposed between plural polypropylene layers that used as the base material and the elasticity modulus (MD) in one direction and the elasticity modulus (TD) in the direction perpendicular to the above direction are 85 kgf/mm<SP>2</SP> or less with the MD/TD being 0.7-1.5. Further an ink receptive layer is formed on the above base material through an undercoat layer to produce the jet ink recording film for advertisements and signboards.

Description

451 0 彳 8 V. Description of the invention (1) [Detailed description of the invention] [Technical field to which the invention belongs] The present invention relates to a kind of film used for making wide-bodied films; if it is more detailed, this book; Record sheet with uneven surface can be attached quite well = uneven surface is attached, and it has phase. In the case of luxury burn-in processing, it does not produce harmful substances. Inkjet recording film for production. σ [Prior technology] Recently, as an output device from a computer, the mechanical noise when brushing output is almost Λ * ^ ρ, which is relatively low. The running cost is lower when the printing wheel is out. Therefore, inkjet is mostly used. Inkjet printers and inkjet printers and inkjet greenprint printers can be made more extensively: with full-color printing, the heart is also used in the manufacture of items and kanbans. I do n’t know: I use it for advertising and signboards. 'For inkjet recording materials, it is weather-resistant'. Therefore, it is used-a kind of recording thin composition: paper I and the recording film. An ink-receiving layer is provided on the surface of the base film and the plastic film. = In the case of the recording film for inkjet as described above, in the state of the use of the mouth and kanban, it must be affixed with the two walls, &quot; windows, and windows, etc. ::: physical stickers = 3 Inkjet recording film. Then, there are also suggestions: Films that use the current polyolefin resin as the main component as the former fan

Such as ⑽785 · Page 5 411018 Five 'Invention Description (2) ^ · -----— Such a film (Japanese Patent Laid-Open No. 64-36478); and, which contains an inorganic pigment and thermoplasticity · The biaxially stretched film / film of the composition of the tree moon purpose is used as a substrate (Japanese Patent Laid-Open No. 10-58823, etc.), and it is' this inkjet recording film using the above substrates is not the same. = The shape of the unevenness and the like of the surface to be adhered is fairly close to the film. Therefore, the shortcomings of the unevenness of the surface to be adhered and the recording are relatively poor, and there is a so-called recording film for appearance change. In order to be able to get along with each other, it is very important, and "! Phenomenon 'so' the choice of the pull-down layer, resulting in the disadvantages of the occurrence of harmful substances, etc .. There is a so-called [problem to be solved by the invention] recording film: :: Lectra: When the conventional inkjet is burnt as before, it is good for the surnames of Hou, as well as the record book for inkjet printing; advertisements and signboards that produce harmful substances are used. [Solution Means of Problem] S8109785.ptd Page 6 4 5101 8 Five 'invention description (3) The present inventors have conducted various researches on the inkjet recording film. As a result, they have found that using at least one layer of polypropylene between many polypropylene layers A multi-layer laminated sheet with a soft polyolefin layer and a specific elastic coefficient is used as a base material so that even the attached surface with unevenness can be attached to the attached surface with unevenness quite appropriately. On the other hand, when it is burned after use, it does not produce harmful substances; the present invention has been completed based on the opinions as described above. That is, the present invention provides an advertisement, The inkjet recording film for kanban production, and the advertisement and the inkjet recording film for kanban production are characterized in that a multilayer laminated sheet is used as a substrate, and the multilayer laminated sheet is provided with A laminated structure in which at least one layer of a soft polyolefin layer is interposed between a plurality of layers of polypropylene having a lamination surface that has been treated with corona discharge, and the unidirectional elasticity of the multilayer laminated sheet The coefficient of MD (MD) and the coefficient of elasticity (TD) perpendicular to the aforementioned single direction are 85 kgf / mm2 or less, respectively, and the MD / TD is in the range of 0.7 to 1.5. At the same time, it also passes through the pull-down layer, and An ink-receiving layer is provided on the aforementioned substrate. [Embodiment of the invention] In the inkjet recording film of the present invention, at least one layer of soft polyolefin is inserted between a plurality of polypropylene layers. As a base material, a multi-layer laminated sheet is used as a base material. In a general polypropylene-based film, a material using many polypropylene layers of the aforementioned multi-layer laminated sheet is used;

4 5 1 ot 8 V. Description of the invention (4) ---- The material of many polypropylene layers in the laminated sheet can be listed as, for example, crystalline stereotyped propylene single polymer and ethylene unit content A propylene block copolymer composed of a relatively small amount of ethylene-propylene random copolymer, a homopolymer composed of a single polymer of propylene, and a copolymerization portion of ethylene-propylene random copolymer with a relatively large amount of ethylene units; The isotactic or copolymerized part of each of the aforementioned propylene block copolymers can also be enumerated: propylene-ethylene_α — composed of the copolymer of butadiene-1 and other α-ene copolymers Olefin copolymers, and mixtures of the aforementioned propylene-ethylene to α-olefin copolymers. On the other hand, the material used as the soft polyene layer interposed between the polypropylene layers composed of the aforementioned materials without any particular restrictions exists; conventionally known soft polyene resins are Examples include: soft polypropylene resin, ethylene-propylene random copolymer, ethylene-propylene-diene copolymer, 'ethylene-butene copolymer, propylene-butene copolymer, propylene-ethylene-butene copolymer, and ethylene -Vinyl acetate copolymers, copolymers, and mixtures of the aforementioned copolymers, etc., and in the state where the aforementioned soft polyene layer is interposed between the aforementioned poly = ene layers to facilitate the formation of a two-layer laminate, the system Among the materials, appropriate materials are appropriately selected, and at the same time, the number of layers inserted between the rooms is also appropriately selected in order to obtain the required elastic coefficient. Many of the polypropylene layers in the multi-layer laminated sheet must be treated with a corona discharge treatment in order to improve each of the layers in the multi-layer laminated sheet like this: At the same time, the bonding between the multilayers can also improve the bonding between the multi-layer laminated sheet and the above-mentioned 45101 8 — V. Description of the invention (5) The down-layer of the multilayer laminated sheet i. whole? The thickness of the multi-layer laminated sheet is usually selected from the range of 50 &quot; m ~ 200 &quot; m 'to select the thickness of the entire shirt. & In addition, all the layers of the multilayer laminated sheet are preferably 3 layers. However, all the layers of the multilayer laminated sheet can also become more than 3 layers as the different requirements. number. In the present invention, the aforementioned multi-layer laminated sheet as the base material must have a unidirectional elastic coefficient (MD: flow direction of the machine) and a vertical coefficient of elasticity (TD) perpendicular to the aforementioned uni-direction. When the aforementioned elasticity coefficient exceeds 85kgf / mm2, the extension of the substrate will become worse, so that the adhered surface with unevenness cannot be attached fairly closely. It is attached to this to-be-attached surface. In addition, when the aforementioned elasticity coefficient becomes too small, the base material becomes extremely easily extended excessively, so that a cracking phenomenon is likely to occur in the image portion. When considering the closeness of the adhered surface with unevenness and the phenomenon of ground splitting in the image area, the elasticity coefficients (MD and TD) should preferably be both! In the range of ~ 50kgf / .2, in particular, the rib system is in the range of 2.05 ~ 1010 ^ {/! 111112, and &lt; 1'1) is in the range of 1.7 ~ 10kgf / nun2, Would be quite advantageous. Furthermore, the MD / TD system must be in the range of 07 to 1.5. When 〇 / 1'1) is removed, and the range of 0.7 to 1.5 is mentioned above, when the recording inkjet recording film is pasted on the surface to be adhered, the recording film and the recording film Between the surfaces to be attached, it is relatively easy to form a space, and the outer (6) '' -------, 451 01 8 table 'becomes relatively poor. From the viewpoint of attaching workability, the laminated sheet used as the base material layer is preferably an infinitely extending sheet. From the viewpoint of softness and heat resistance, a biaxially stretched film is an excellent two-limit stretched sheet. However, from the viewpoint of attaching workability, an infinitely stretched sheet is compared. It can be attached to the attachment surface without gaps in accordance with the shape of the attachment surface. Barium :: Multi-layer laminated sheet used for jin: It is mixed with hafnium oxide, sulfuric acid: calcium carbonate, silica, clay, and talc, etc., in order to make the surface of the multi-layered sheet become rough and white. . In the inkjet recording film of the present invention, an ink-receiving layer is provided on one side (corona discharge treatment) of a base material composed of a multi-layer laminated sheet having a surface through a pull-down layer. For example, an ink receiving layer is used. Polyurethane resin ^ polyester resin, acrylic resin, and polyester urethane resin two are used as the above-mentioned pull-down layer. The aforementioned pull-down $ is used to improve = and oil! In addition, it has the function of preventing the plasticizers and the like contained in the substrate from flowing into the ink receiving layer. The thickness of the pull-down layer is usually in the range of from 01 to 30wm. 'But' is best to be within the range of 0.5 # m ~ 1.5ym. In order to create advertisements and kanbans, recording is performed with an inkjet printer and a mouth-boiler. The so-called inks are often pigment inks that are quite good in terms of weatherability and water resistance. Therefore, in the inkjet recording film of the present invention, the ink-receiving layer provided on the above-mentioned down-drawing layer is preferably The absorption of pigment ink is quite good and it also has

45101 8 V. Description of the invention (7) Water-based oil-swab receiving layer "The adhesive used to form the ink-receiving agent like the aforementioned" can be exemplified by polyvinyl alcohol and its derivatives, polyvinylhydropyrrolidone, Polysaccharides and gelatin of starch, cellulose, tannin, lignin, alginic acid, gum arabic, etc., even vinyl acetate, ethylene oxide, acrylic acid, acrylamide, maleic anhydride, and titanic acid The obtained polymer or copolymer. The aforementioned components may be used singly or in combination of two or more of these aforementioned components β In addition, in order to improve the water resistance, a crosslinking agent may also be used to perform a cross-linking effect, and the ink may also be considered The degree of absorption of the crosslinking agent is appropriately selected. In addition, by containing fine particles of alumina xerogel, silica, and calcium carbonate in the ink receiving layer, the water resistance can be improved, and the absorption and drying properties of the pigment ink can be improved. The ink-receiving layer in the inkjet recording film of the present invention can dissolve or disperse the binder, the cross-linking agent and fine particles added as required in a solvent at a certain ratio, and, in the preparation, After the coating liquid is discharged, the coating liquid is coated on the above-mentioned pull-down layer according to a general method, and then a drying process is performed to facilitate the setting of the ink receiving layer. In this case, the ink-receiving layer-forming coating liquid may contain various additives conventionally used, for example, surfactants, lubricants, stabilizers, and colorants. In the inkjet recording film of the present invention, it is possible to laminate the _adhesive σ layer and the release sheet in order on a surface opposite to the ink-receiving layer of the substrate according to requirements'. By laminating the adhesive layer and thin

88109785.ptd Page 11 45101 8 V. Description of the invention (8) film, so that when the attached surface is output, when the shrinkage of the substrate rises, it can be applied and laminated. [Effects of the invention, etc. of the present invention: In the production state, it can be understood that the inkjet application occurs in the receiving layer with time. When it is processed, [Example] Then, borrow the present invention and then, press The physical properties can be applied, and the coating can be transported on top. Another pre-adhesive layer] Inkjet advertising and no change in phase recording film, and it is not easy to attach the inkjet ink to the inkjet printer; Improve the spray: The inkjet type edge map machine is used to apply and dry the oil drop '4 film handling. At this time, it can be mentioned that a lower layer and a release sheet are provided when the waste is caused by thermal energy, and a release sheet is provided. The recording film of the pull layer is provided with the following special kanbans, which can be attached to the inkjet recording sheet of the present invention in accordance with the adhered surface gap: the advertisement and the appearance of a beautiful appearance, and : The grade film also has quite good weather resistance, that is, the plasticizer in the substrate will not flow into the ink and will not damage the image. At the same time, harmful substances will be generated during the process. The delayer will explain the present invention in more detail based on the examples, but is not limited to the following examples. Evaluation was performed for the ink jet recording by the following method. Of phosphines

45101s ----- V. Description of the invention (9) Hundreds: And: The recording film for ink is attached to the surface with unevenness, and the state of the unevenness is observed visually, so that the following standards can be used, and Evaluating. &amp;, Drink ?: Between the unevenness and the inkjet recording film, there is no bending under natural conditions. , ',, but △: There is no gap between the projection and the recording film for inkjet. There is a crease on the recording film for inkjet. X · There is a gap between the unevenness and the inkjet recording film (2) Weather resistance. It was exposed and left for 3 months, and it was evaluated based on changes in the recording film for inkjet. No, no changes were found at all. X: Due to the # image of stabilizers and additives. Heart change 'and yellowing occurred (1 2 3) Burnt property of waste film 〇: No problem exists. X: Hazardous substances are generated during combustion. §

1 implement your 丨 1 (1) mixed with 4.9 parts by weight of polyethylene 醢 ^ ￥, 2 78 · 5 ~ 81.5 mol%: GOUSENOR is called 7) 〇00, soap ^ weight particle size of 3.5 Acid-treated people make flat parts by weight and do not have acid-treated synthetic gas 埘 不 ΐυΟ Ο r Xi powder (Pingshifan 3 5 Μ 'oil absorption 21〇inl / 1〇〇g Ding Zhi weight 4 5 parts by weight of urea, 0.7 parts by weight of 20% by J) ^ &lt; Ammonia fluoride aqueous solution, 1 45101 8 V. Description of the invention (ί) parts by weight of ethanol, 1.9 parts by weight of propylene glycol monomethyl ether, And 62.5 parts by weight of water in order to prepare a coating liquid for forming an ink receiving layer. (2) Multilayer polyene film [* 41] with a thickness of 150〆m which has been treated with corona discharge is 2.0811 £ | / 1111112, but 1) is 1.7 21 ^ [/ 1111112, and 2 layers of polypropylene A layer consisting of a layer and a soft polyolefin layer] is provided with a pull-down layer having a thickness of 1.0 to 111 composed of a urethane resin. Next, the ink-receiving layer-forming coating liquid prepared by the above (1) is applied on the above-mentioned pull-down layer through a wire, and heated at 1 30 ° C for 5 hours. Minutes' in order to form an ink-receiving layer having a thickness of about 1 and a thickness of about 1 to produce an inkjet recording film. The physical properties of the inkjet recording film are disclosed in Table 1. JJfe Example 2 is homogeneous 3.5 parts by weight of polyvinyl alcohol (polymerization degree 3500, saponification degree 88.0 mole%), 18.35 parts by weight of boehmi te: manufactured by Catalytic Chemical Corporation, CATALOID AP-3 (trade name), 76.3% by weight (1203, 3.7% by weight iCH3C00H), 2 parts by weight of propylene glycol monofluorenyl ether, 0.14 parts by weight of acetic acid, and 76.01 parts by weight of water 'in order to prepare an ink receiving layer for formation (2) In Example 2, "in addition to using the ink-receiving layer-forming coating liquid prepared as described above, instead of changing the ink-receiving-layer-forming coating liquid prepared in (1) above" and , Also makes the thickness of the ink receiving layer to be 30 β m "Rest exactly in accordance with Example 1 of the method of the preceding embodiment, in order to produce an ink jet recording sheet La. The physical properties of inkjet recording thin chess, system disclosed in Table 1.

88109785.ptd Page 14 V. Description of the Invention (11) Comparative Example 1 In Comparative Example 1, 'except that the substrate film was changed to a multi-layered synthetic paper (product name: YUPO FPG—80, thickness 80 # 111, Prince oil Except for Chemical Synthetic Paper Co., Ltd.), the rest were made in the same manner as in Example 1 above to facilitate the production of a recording film for inkjet. The physical properties of the recording film for ink jet are shown in Table 1. Comparative Example 2 In Comparative Example 2, except that the base film was changed to a transparent gas vinyl resin film (40 parts by weight of a plasticizer was added to 100 parts by weight of the resin). The method is the same as that of the foregoing embodiment, so as to facilitate the production of a spray film. The physical properties of the sprayed film are disclosed in Table 丨. Recording Comparative Example 3 In t Comparative Example 3, except that the substrate was changed to a transparent polymer pair and ethylene titanate, the rest was made in the same manner as in Example 1 described above. Alas. The physical properties of the recording film for inkjet are shown in Table 丨. Obstacles &lt; [Table 1]

Claims (1)

451018 VI. The patent application is an inkjet recording film for advertising and kanban production. It is characterized by multi-layer lamination with a single direction of 85 kgf vertically interposed between the layers of the lamination surface and inserted into the multi-layer lamination sheet. At the same time below / mm2, it also passes through the lower receiving layer. 2. If you apply for a patent recording film, in which the sheet is used as a base material, and the multilayer laminated sheet is # a laminated structure of a soft polyene layer with many layers and two women and one layer that has been treated with corona discharge. The coefficient of elasticity (MD) in a single direction of I · 0 · and the coefficient of elasticity (TD) in the straight direction are respectively 'and, MD / TD is a' pulling layer 'within the range of 0.7 ~ 1.5. The above substrate is provided with an ink-jet, multi-layer laminated sheet for advertising and kanban making in the first item.