JP3081633U - Printing / recording sheet for inkjet printer - Google Patents

Abstract

(57) [Abstract] [Purpose] To realize accurate and high-resolution printing / drawing using an ink jet printer without bleeding without contaminating the printer. According to the present invention, a mesh woven fabric made of synthetic fibers having a square or circular opening and an opening interval of 0.5 mm to 3.0 mm is used as a base material, and an ink jet is formed on the surface thereof. Printing for ink-jet printers, using a synthetic resin that has affinity for oil-based ink for printers, providing an ink-adhesive layer in a continuous state, and backing adhesive or fusing the nonwoven fabric on the back so that it can be peeled off.
A recording sheet is provided. A synthetic fiber mesh woven fabric having square or circular openings and an opening interval of 0.5 mm to 3.0 mm is used as a base material, and its surface has affinity for oil-based ink for inkjet printers. An ink-adhering layer is provided in a continuous state using a synthetic resin having the following properties, and a backing is adhered or fused on the back surface so that the nonwoven fabric can be peeled off.

Description

[Detailed description of the invention] [Technical field to which the invention belongs]

 The present invention relates to a printing / recording sheet suitable for printing and drawing using an ink jet printer.

[Prior art]

 Advertising and publicity have become indispensable for the consumption civilization of modern capitalist societies symbolized by mass production and mass consumption, but the main media are print media such as newspapers and magazines, and television and radio. Typical radio wave media are classified into outdoor advertising media such as signboards, banners, posters and neon signs, transportation media and direct mail media. In so-called conventional banner advertisements, banner-like banner advertisement materials made of plastic sheets, reinforced paper, woven fabric, etc. are used to provide and notify product information and sales information, as well as traffic safety. In areas such as outdoor advertising for campaigns of public character, such as promotion, especially in urbanized areas, it is expected to continue to be used more widely, with a large appeal and still a large share. Large banner ads like this use cotton or synthetic fiber clothing unless otherwise required for durability and special decorativeness, and use brushes, brushes, brushes, metal stencils, etc. It is usually manufactured by labor-intensive work by drawing characters, symbols, figures, characters, product appearance, etc. with oil-based ink or oil-based paint by hand, and it is precise and diverse by industrial means such as printing. Large numbers of posters and banner advertisements are rarely created only when the quantity is over a certain level and the cost is acceptable. By the way, in recent years, inkjet printers have been improved, especially as they have been increased in size. As a result, a wide variety of large, precise, high-resolution, full-color banner advertisements can be created quickly and easily without relying on humans, even in small quantities. It has been suggested.

[Problems to be solved by the invention]

 Conventionally, several banner materials such as curtains having a mesh structure have been known (Japanese Patent Application Publication No. 11-259030, etc.), but these are poor in recording and printing suitability with an ink jet printer and oily. Insufficient affinity for ink and adhesion properties make it unlikely that the performance of high-precision, high-resolution printing and drawing of inkjet printers can be fully exploited. It has serious difficulties such as seriously contaminating the inkjet printer. Therefore, at present, there is no banner advertisement that has reasonable physical strength and durability, and is satisfactory in terms of aesthetics, decorativeness, eye catch effect, and the like.

[Means for Solving the Problems]

 In view of this situation, the present inventor has proposed a particularly large poster which has excellent printability when using an ink jet printer, solves the problem of printer contamination, and has excellent physical strength and durability. As a result of intensive research on materials that make it easy to create banner advertisements, the present invention was completed. That is, the present invention has a square or circular opening and the opening interval is 0.5 mm to 3. Using a so-called mesh woven cloth with openings of 0 mm made of synthetic fiber as a base material, using one side of a synthetic resin that has affinity for oil-based ink for inkjet printers to keep the ink adhesion layer in a continuous state The present invention relates to a printing / recording sheet for an ink jet printer, which is provided with a non-woven fabric on its back surface and is adhered or fused so as to be peelable.

DESCRIPTION OF THE PREFERRED EMBODIMENTS

 In the case of a banner advertisement, in order to provide physical strength and durability, a so-called mesh woven fabric made of synthetic fiber as a base material and having an opening is made of polyester fiber, nylon fiber or nylon having a fineness of 250 decitex to 1330 decitex. Polyester and nylon blended fibers are used alone or in any combination to form a woven fabric having square or circular openings and woven so that the opening interval is 0.5 mm to 3.0 mm. Therefore, when used hanging on the wall of a structure such as a building, it can withstand vertical physical stress due to its own weight and unexpected physical stress, strain and pressure from various directions such as gusts, ventilation and swaying. It is preferable that the material has sufficient strength. In addition, high-speed drying oil-based inks are usually used for ink-jet printers, so when printing and drawing using an ink-jet printer, a homopolymer of vinyl chloride is used to improve the printability, such as by firmly and accurately fixing the oil-based inks. An ink-adhering layer is continuously formed on one surface of the base material having the opening by using a limer or a copolymer. That is, depending on the precision and resolution of printing and drawing obtained by an ink jet printer, an ink-adhesive layer made of a resin is continuously formed on the entire surface of the warp and weft yarns of the synthetic fibers forming the openings of the mesh woven fabric. It forms. At this time, such a vinyl chloride polymer is used in an amount and an extent such that an inorganic white pigment such as titanium oxide and calcium carbonate, an appropriate binder, an additive, a plasticizer, and a diluent are not impaired in adhesion and fixation to the oil-based ink. In addition, coating or diping may be performed. When an ink jet printer is used to print and draw on a so-called mesh woven fabric base material with openings, which has an ink-adhesive layer formed on the surface, excess oil-based ink that does not adhere to the ink-adhesive layer is converted to mesh woven fabric. Through the opening of the base material, significantly contaminates not only the surface of the worktable on which the base material is placed, but also the back surface of the base material, and as a result, may penetrate to the surface. In some cases, it may become unusable. In order to avoid such inconveniences, as a measure to reliably collect excess oil-based ink that has penetrated through and prevent contamination, a nonwoven fabric having physical properties suitable for this purpose is peeled off from the back surface of the substrate having openings. It is possible to bond or fuse the backing as much as possible. Such non-woven fabrics include natural fibers such as cotton and hemp, regenerated fibers such as rayon and cupra, semi-synthetic fibers such as acetate staples, polyester fibers, nylon, polyamide fibers, acrylic fibers, vinylon, vinylidene, and polyolefins. A non-woven fabric with a single-layer structure or a double-layer structure manufactured by a dry method or a wet method using synthetic fibers such as system fibers and spandex alone or in any combination, and having a tensile strength in the longitudinal direction. A nonwoven fabric having a weight per unit area of 20 g / mxm to 120 g / mxm in order to optimize the oil-based ink absorption is suitable. Specifically, from the viewpoint of the suitability of the backing adhesive with the mesh woven fabric substrate, a chemical bond type or a heat fusion type nonwoven fabric can be preferably used, but the needle punch type is not suitable for such a backing adhesiveness. There are difficulties and it is not suitable. As the chemical bond type nonwoven fabric, those using styrene / butadiene rubber, ethylene / vinyl acetate, acrylonitrile / butadiene rubber, or vinyl acetate / acrylonitrile emulsion binders have excellent ink absorbency. It is suitable. On the other hand, heat-fusing nonwoven fabrics are based on all-melting high-melting polymers such as polyethylene terephthalate (PET), polypropylene (PP), and polyethylene (PE), and are based on PP / PE, PE / TPE, PET. Non-woven fabrics using a semi-melting type low melting point polymer such as a combination of PP / PP, PET / PET, PP / PE, etc. are preferred because they can be easily heat-sealed, but non-woven fabrics using an olefin resin system are more flexible. Because of its low melting point, it is more preferable in that it has excellent backing adhesion workability, and because it is inexpensive and easily deteriorates, it has little environmental pollution even if it is disposed of. Speaking of oil-based ink absorptivity, there is a trade-off with the thickness used.However, in consideration of the functions and effects expected of nonwoven fabrics, printing and printing are not necessary regardless of whether the ink absorptivity is too high or too low. In order to cause an unfavorable result of contaminating the recording sheet, the ink absorbency was individually determined by a simple test method described later in Examples, and as a result, nylon-based, PET-based, PET / PP, PET / PE, Nonwoven fabrics such as PET / rayon were found to be suitable. In order to peelably bond or bond the nonwoven fabric to the back surface of the mesh woven fabric base material, heat bonding or bonding is performed under appropriate conditions according to the type and characteristics of the nonwoven fabric to be used. Adhesive treatment using an agent. The adhesive used for such backing adhesion is a polyurethane-based, polyamide-based, polyvinyl acetate-based or reactive acrylic resin-based adhesive having a peelable adhesive strength of 29.4 cN / 25 mm or more. One having 208.8 cN / 25 mm is exemplified. However, in consideration of the fact that the applied adhesive does not impair the ink absorbency of the nonwoven fabric, polyester-based or ethylene-vinyl acetate copolymer-based hot melt adhesives (for example, EVA-AD5 manufactured by Showa Polymer Co., Ltd., Mitsui DuPont) Polyamide hot-melt adhesives (such as M-6055 manufactured by Yokohama Rubber Co., Ltd.) are suitable for adhesive bonding, but they hinder ink absorption, so they are suitable for point bonding. Not appropriate except when used. The printing / recording sheet according to the present invention having the above-described configuration is subjected to printing / drawing processing with an ink jet printer, and then, when the backed nonwoven fabric is peeled off, characters and figures are created on the computer screen as if they were formed. POP advertisements such as goodwill, price tables, menu tables, DM advertisements, store posters, stickers, shelf talkers, etc., especially large flags, banners, banners It is suitable for use as a banner advertisement material for signboards and the like. In other words, characters, numbers, symbols, figures, patterns, patterns, products, photographs of people and landscapes, CG images, etc., created on the screen of a personal computer using appropriate software, and CG images are printed on the sheet surface of the present invention using an inkjet printer. After printing directly on the fabric and peeling off the backing non-woven fabric, it can be suspended and fixed on the walls of buildings such as stores, stores, high-rise buildings, overpasses, etc., to provide unprecedented eye-catcher properties. Advertisement and PR activities that are timely and effective will be realized that are highly appealing and adapt to constantly changing targets. In addition, since the base material is made of synthetic fiber and has openings, the weight can be reduced, and the openings arranged at an appropriate density provide excellent ventilation, so that ventilation, gusts, rocking, etc. As a result, unexpected mechanical and physical stresses and strains can be buffered. As a result, the risk of damage and breakage is reduced, and the durability is greatly improved.

【Example】

 The present invention will be described in more detail with reference to the accompanying drawings and embodiments below.

Embodiment 1 FIG. 1 is a partially enlarged perspective view including a transverse end face, schematically showing an example of a printing / recording sheet according to the present invention, and has a substantially square-shaped opening. In 1, an ink adhering layer 2 is continuously formed on the surface to cover the upper surfaces of the warp and the weft, and the back surface is lined with a nonwoven fabric 3 by heat fusion. A mesh woven fabric 1 having a square opening of approximately 1 mm square was woven using a roving of 14 fibers / inch of a 250 decitex polyester fiber as a warp and a weft. The resulting mesh woven fabric had an aperture ratio of approximately 36% and a thickness of approximately 0.68 to 0.69 mm. A polyvinyl chloride paste resin (Y108, manufactured by Maruyama Kogyo Co., Ltd.) obtained by adding 50 parts of DOP plasticizer and 15 parts of calcium oxide per 100 parts by weight of polyvinyl chloride resin is sprayed, and the thickness is approximately 0.1%. To 0.12 mm of the ink adhering layer 2 was formed. On the back surface of the mesh woven base material on which the ink adhesion layer is formed, a unitary PET / PE two-component nonwoven fabric, SO303403WDO (0.25 mm thick) manufactured by Unitika Ltd. under the condition of 90 to 100 ° C./10 to 15 seconds. To obtain a printing / recording sheet according to the present invention, which was backed with a nonwoven fabric 3. When this printing / recording sheet is applied to an ink-jet printer, a 10 mL arrow Cyan ink for Ramirez manufactured by Mutoh Kogyo Co., Ltd. was used to examine the absorbency of the nonwoven fabric for the oil-based ink that passed through the opening. ) Put it in a chemical burette for chemical manufacture, and drop 0.01 mL of it on a non-woven surface placed on a laboratory bench from a distance of 30 cm in height, measure the ink absorption width of the non-woven fabric, and check for ink bleeding. Judged. As a result, in the case of the PET / PE two-component nonwoven fabric SO303403WDO manufactured by Unitika Ltd. used for the backing adhesive, the dropped ink is absorbed in a substantially circular shape having a diameter of 15 mm to form a colored portion, while the ink is formed. Since no bleeding was observed, it was determined that good ink absorption was exhibited. As a result of a series of tests on commercially available nonwoven fabrics, it was confirmed that the ink absorption was good when the ink absorption coloring circle had a radius of 9 mm to 15 mm.

[Effect of the invention]

 Using an ink-jet printer, it is possible to print and draw with high precision and without bleeding.

[Brief description of the drawings]

FIG. 1 is a partially enlarged perspective view schematically illustrating an example of a printing / recording sheet according to the present invention, including a transverse end surface.

[Explanation of symbols]

1 Synthetic fiber woven fabric with openings and gaps (commonly known as mesh woven fabric) 2 Ink adhesion layer 3 Synthetic fiber nonwoven fabric backed by heat fusion

Claims (5)

[Utility model registration claims] 1. A synthetic fiber woven fabric having openings having a square or circular shape and an opening interval of 0.5 mm to 3.0 mm is used as a base material, and the whole surface or one surface thereof is used. An ink-jet printing method comprising: providing a continuous ink-adhesive layer using a synthetic resin having an affinity for oil-based ink for ink-jet printers;・ Recording sheet. 2. A woven fabric having openings, made of synthetic fibers woven using polyester fibers, nylon fibers or a blend of polyester and nylon, each having a fineness of 250 to 1330 decitex, alone or in any combination. The printing / recording sheet according to claim 1, which is used as a material. 3. The printing / recording sheet according to claim 1, wherein the ink-adhering layer is formed of a vinyl chloride homopolymer or copolymer. 4. A single-layer structure, a two-layer structure, or a two-component structure produced by a dry method or a wet method using natural fibers, regenerated fibers, semi-synthetic fibers, and synthetic fibers individually or in any combination. A non-woven fabric having a tensile strength of 15 N / 5 cm or more in the vertical direction and 3 N / 5 cm or more in the horizontal direction, and having a basis weight of 20 g / mxm to 120 g in order to provide optimal oil-based ink absorption.
2. The printing / recording sheet according to claim 1, wherein the nonwoven fabric has a g / mxm and is subjected to backing adhesion or fusion processing so as to be peelable. 5. The printing / recording sheet according to claim 1, wherein the nonwoven fabric is peelably backed and adhered using a polyurethane-based, polyamide-based, polyvinyl acetate-based or reactive acrylic resin-based adhesive.