JP2005262764A - Manufacturing method and application of sheet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sheet which not only enables reduction of discharged CO<SB>2</SB>in a paint coating plant but also has color and hue required for achieving excellent appearance. <P>SOLUTION: The sheet is obtained by applying paint on a plastic film so that the dried film becomes 5 to 300 μm thick, drying and removing the sheet from the plastic film used as the base material wherein the sheet is dried at 40 to 170°C for 1 to 60 min. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention replaces the painting of passenger cars, transportation vehicles, etc., reduces paint loss by reducing the number of paintings in the factory, and reduces the number of drying times, thereby reducing fuel consumption during drying and reducing total CO2 emissions However, the present invention relates to a sheet that can improve design and aesthetics.

  Up to now, painting of automobiles, etc., has a lot of painting and drying times, and uses about half the area of an automobile factory, and paint film is formed using paint loss and dry fuel consumption. This means that total CO2 emissions are enormous when considering life cycle assertions.

  PVC colored sheets, fluorine colored sheets and the like have already been marketed, but generally, a colorant is kneaded into the resin, and the hue, design, and aesthetics have not been considered.

  In view of the above situation, the present invention is replaced with paint for automobiles, etc., reduces paint loss by reducing the number of times of painting in the factory, and reduces fuel consumption during drying by reducing the number of times of drying. The object of the present invention is to provide a sheet having the colors and hues necessary to obtain the intended beauty while reducing the total CO2 emissions.

  In the present invention, a paint is applied on a plastic film treated with a release agent so as to have a dry film thickness of 5 to 300 μm, dried at a temperature of 40 to 170 ° C. for 1 to 60 minutes, and then treated with a release agent. It is a sheet | seat obtained by releasing from.

  The sheet | seat of this invention has the sheet | seat in which the adhesion | attachment and the adhesion layer are provided in the case where it uses without providing an adhesion | attachment and an adhesion layer, and one side. The present invention is described in detail below.

  The sheet of the present invention was applied on a plastic film treated with a release agent to a dry film thickness of 5 to 300 μm, dried at a temperature of 40 to 170 ° C. for 1 to 60 minutes, and then treated with a release agent. It is a sheet obtained by releasing from above.

  As the paint used in the sheet production of the present invention, the currently used paint types can be used.

  The paint can be obtained by using a pigment and a binder resin as main constituent components, and adding a glittering material, an additive or the like as necessary. As said binder resin, what is normally used as a binder resin of a coating material can be used, for example, acrylic resin, alkyd resin, polyester resin, silicone modified polyester resin, silicone modified acrylic resin, epoxy resin, polycarbonate resin, A silicate resin, a fluororesin, a chlorine resin, etc. can be mentioned, Furthermore, a melamine resin, a block isocyanate, an acid, etc. may be included as needed, and can be used suitably.

  Examples of the color pigment used in the paint include the following pigments. Examples of the pigment include titanium CR97 (Ishihara Titanium Industry Co., Ltd.), which is titanium oxide. Examples of black pigments include carbon black, thermal black produced by Asahi Carbon Co., Ltd., dye pyroxide color black 9590, die pyroxide color brown 9290 (manufactured by Daiichi Seika Kogyo Co., Ltd.), Fastogen Super Black MX (manufactured by Dainippon Ink & Chemicals, Inc.) As the blue pigment, Dipyroxide Color Blue 9453 (manufactured by Dainichi Seika Kogyo Co., Ltd.), Fastogen Blue 5485 (manufactured by Dainippon Ink & Chemicals, Inc.), Fastogen Blue RS (manufactured by Dainippon Ink & Chemicals, Inc.), cyanine blue 5240KB (Manufactured by Dainichi Seika Kogyo Co., Ltd.). As pigments for red paint, Toda Color 120ED (manufactured by Toda Kogyo Co., Ltd.), Fastogen Super Magenta RH (manufactured by Dainippon Ink Chemical Co., Ltd.), Fastogen Red 7100Y (manufactured by Dainippon Ink Chemical Co., Ltd.), Rubycron Red 400RG (large) Nippon Ink Chemical Co., Ltd.). Examples of the yellow pigment include Symbol Fast Yellow 4192 (manufactured by Dainippon Ink & Chemicals, Inc.), Cikopearl Yellow L-1110 (manufactured by BASF). As pigments for green paints, Dipyroxide Color Green 9310 (manufactured by Dainichi Seika Kogyo Co., Ltd.), Fast Gen Green 2YK (manufactured by Dainippon Ink & Chemicals), Lionol Green 6YKP-N (manufactured by Toyo Ink Co., Ltd.) Etc.

  If necessary, a bright material can be included. Examples of the glittering material include mica, aluminum foil, tin foil, gold foil, silver foil, titanium gold foil, stainless steel foil, metal foil such as nickel / copper, and the like.

  If necessary, fine particle fillers, additives, solvents and the like may be included. The particulate filler is not particularly limited, and examples thereof include SiO2, TiO2, Al2O3, Cr2O3, ZrO2, Al2O3 · SiO2, 3Al2O3 · 2SiO2, zirconia silicate, Examples thereof include fine particles composed of ceramic beads and the like, fibrous or granular fine glass, and glass beads. The fine particles may be any of particles, spheres, and hollow spheres.

  The additive is not particularly limited, and examples thereof include matting agents such as silica and alumina, antifoaming agents, leveling agents, anti-sagging agents, surface adjusting agents, viscosity adjusting agents, dispersing agents, ultraviolet absorbers and antioxidants. And conventional additives such as wax.

  The solvent is not particularly limited as long as it is generally used for paints. For example, aromatic hydrocarbons such as toluene, xylene, Solvesso 100, Solvesso 150; esters such as ethyl acetate and butyl acetate; methyl ethyl ketone, Mention may be made of ketones such as methyl isobutyl ketone, cyclohexanone, isophorone and water. These can be appropriately selected depending on the application used in consideration of solubility, evaporation rate, safety, etc., and can be used alone or in combination of two or more. When emphasizing environmental measures or the like, for example, it is desirable to use water as an aqueous room temperature drying type or aqueous heat drying type paint.

  The said coating material can be manufactured as follows, for example. Using a machine generally used for pigment dispersion, such as a roll mill, paint shaker, pot mill, disper, sand grind mill, etc., a pigment dispersion paste is prepared by mixing the pigment for primary color paint with the pigment dispersion resin. The binder resin, melamine resin and / or blocked isocyanate, additive, solvent and the like are added.

  In the method for preparing a paint, a combination of two or more of the primary color paints can be performed by, for example, mixing. The mixing can be performed, for example, by putting two or more primary color paints in a suitable container and stirring. In this case, for example, a roll mill, a paint shaker, a pot mill, a disper, a sand grind mill Etc. can be used. The amount and type of the primary color paint to be used can be appropriately selected in consideration of the color, hue, brightness, and saturation to be obtained. After mixing the primary color paints, if necessary, for example, addition of a solvent or addition of other additives can be performed.

  The sheet | seat of this invention is obtained by apply | coating the said coating material on the plastic film which processed the mold release agent. The plastic film is not particularly limited as long as it has an appropriate shape retaining property, and examples of the material include polyvinyl chloride resin, polyester resin, polycarbonate resin, and polymethacrylic resin. If the sheet can be released from the plastic film, it is not always necessary to perform the release agent treatment on the plastic film.

  The coating amount for applying the coating material on the plastic film is not particularly limited, but is usually 5 to 300 μm, more preferably 50 to 250 μm, still more preferably 100 to 200 μm in terms of dry film thickness. It is. The method for applying the paint on the plastic film is not particularly limited, and examples thereof include generally used application methods such as a roll coater, air spray, airless spray, curtain coater, and die coater. Drying performed after applying the paint is performed at a temperature of 40 to 170 ° C. for 1 to 60 minutes.

  If necessary, after the coating material is applied onto a plastic film treated with a release agent, it can be dried at a temperature of 40 to 170 ° C. for 1 to 60 minutes for design printing. As printing methods, silk printing, gravure printing, digital printing, and thermal transfer are performed.

  The sheet of the present invention has a pressure-sensitive adhesive or adhesive layer on one side thereof, so that the sheet itself has pressure-sensitive adhesiveness or adhesion, and can be easily arranged, for example, when applied to a substrate. It becomes. The pressure-sensitive adhesive or adhesive layer can be formed by applying pressure-sensitive adhesive or adhesive having adhesiveness or adhesiveness. The pressure-sensitive adhesive or adhesive is not particularly limited. For example, styrene-isoprene-styrene block copolymer rubber, styrene-butadiene-styrene block copolymer rubber, styrene-butadiene rubber, polybutene rubber, polyisoprene rubber, butyl rubber, Examples thereof include rubbers such as silicone rubber, natural rubber, and synthetic isoprene rubber; synthetic resins such as poly (meth) acrylate, polyvinyl ether, polyurethane, polyester, polyamide, and ethylene-based copolymer. Of these, poly (meth) acrylate, poly (meth) acrylate-urethane, natural rubber, and styrene-isoprene-styrene block copolymer rubber are preferable. These pressure-sensitive adhesives or adhesives may be used alone or in combination of two or more, and are not limited to the above materials.

  For the pressure-sensitive adhesive or adhesion, a plasticizer, a tackifier resin, a filler, an anti-aging agent and the like may be further used in combination. Examples of the plasticizer include liquid paraffin, palm oil, beeswax, carnauba wax, coconut oil, polybutene, lanolin, process oil, castor oil, cottonseed oil, and the like. Examples of the tack or adhesion-imparting resin include bicoper resin, rosin ester, terpene resin, ester gum H, picolite, stevelite resin, and β-vinene polymer. Examples of the filler include calcium carbonate and silicas. Examples of the anti-aging agent include 4,4-dioxydiphenyl and dioxydiphenylmethane derivatives.

  As for the thickness of the said adhesion or contact bonding layer, 0.05-0.20 mm is preferable. When the thickness is less than 0.05 mm, the adhesiveness or adhesive strength is weakened, and when it exceeds 0.20 mm, the cohesive force is reduced and the adhesive residue tends to be generated. In providing the pressure-sensitive adhesive or adhesive layer on one side of the film, for example, a method of laminating the film and a layer made of the pressure-sensitive adhesive or adhesive, applying the pressure-sensitive adhesive or adhesive on the film, and then drying. The method etc. can be mentioned and it can select suitably according to the objective of this invention.

  The sheet of the present invention can be applied to various materials, but typical application surfaces include plastics, steel plates, electrodeposition coatings, intermediate coatings, top coatings, etc. Peel off the release paper, stick or adhere to the sticking surface, peel off the protective film, and use it as it is. You can increase the adhesive strength or increase the hardness of the sheet surface by applying temperature if necessary. .

  When separating two colors such as top coat, peel off the release paper on the adhesive or adhesive side, for example, paste a sheet on the intermediate coat surface, then apply the top coat, peel off the protective film and baked After the top coat is applied, it is baked and the protective film is peeled off, so that the protective film replaces the masking tape.

  The sheet of the present invention can be used as a paint substitute for painting new automobiles, achieving CO2 reduction at paint coating plants, and at the same time providing new designs, colors and hues necessary to obtain excellent aesthetics. As other uses, for example, it can be used as a coating film repair sheet, an adhesive sheet, a printing sheet, an outdoor marking film, and the like for automobiles.

  The number of paintings can be reduced and the drying furnace can be eliminated.

Hereinafter, the present invention will be described in more detail with reference to examples. However, the present invention is not limited only to these examples.
(Preparation of paint)
<Formulation example 1>
The compounding example of an application material is shown.
Coating material combination clear [parts by weight]
Urethane base (Dainippon Ink & Chemicals) 60
Urethane curing agent (manufactured by Nippon Polyurethane) 15
Ultraviolet absorber (Cinuvin manufactured by Ciba) 4
Antioxidant (Sankyo, Sankyo) 1
Solvent (Urethane thinner Nippon Paint Co., Ltd.) 20
(Total 100)
<Formulation example 2>
Coating material combination gray [parts by weight]
Urethane base (Dainippon Ink Chemical Co., Ltd.) 40
Urethane curing agent (manufactured by Nippon Polyurethane Co., Ltd.) 10
Titanium dioxide (Ishihara Sangyo Co., Ltd., Taipaque CR-97) 30
Asahi Carbon Co., Ltd. Thermal Black 1
Solvent (Urethane thinner Nippon Paint Co., Ltd.) 19
(Total 100)
<Formulation example 3>
Coating material combination Bright material [Parts by weight]
Urethane base (Dainippon Ink & Chemicals) 60
Urethane curing agent (manufactured by Nippon Polyurethane) 15
Aluminum (manufactured by Toyo Aluminum) 10
Solvent (urethane thinner, Nippon Paint Co., Ltd. 15
(Total 100)
<Formulation example 4>
Polyester resin (Dainippon Ink & Chemicals) 35
Melamine resin (Dainippon Ink & Chemicals) 15
Titanium dioxide (Ishihara Sangyo Co., Ltd., Taipaque CR-97) 30
Asahi Carbon Co., Ltd. Thermal Black 1
Solvent (Urethane thinner Nippon Paint Co., Ltd.) 19
(Total 100)

(Preparation of test piece)
The paint obtained as described above is roll-coated on a plastic film treated with a release agent having a thickness of 50 μm so that the dry film thickness becomes 100 μm, dried at 120 ° C. for 10 minutes, and then adhered or adhered to one side. The layer was roll-applied, release paper was applied on the adhesive or adhesive layer release side of one side, and then a protective film was applied while releasing the sheet from the molded plastic film, and this was used as a test piece.

(Sheet type)
[0024] The coating composition of <Formulation Example 1> is roll-coated on a plastic film treated with a release agent having a thickness of 50 μm so as to have a dry film thickness of 100 μm, and dried at 120 ° C. for 10 minutes. The adhesive layer was roll-applied, release paper was applied to one side of the adhesive or adhesive layer release side, and then a protective film was applied while releasing the sheet from the molded plastic film.
[0024] The paint of <Formulation Example 1> was roll-applied on a plastic film treated with a release agent having a thickness of 50 μm to a dry film thickness of 100 μm, dried at 120 ° C. for 10 minutes, and then brightened by digital printing. Attach the design, roll the adhesive or adhesive layer on one side, apply the release paper on the adhesive or adhesive layer release side of one side, and then apply the protective film while releasing the sheet from the molded plastic film did. The configuration will be described with reference to FIG.
[0024] The coating composition of <Formulation Example 1> was roll-coated on a plastic film treated with a release agent having a thickness of 50 μm so as to have a dry film thickness of 100 μm, dried at 120 ° C. for 10 minutes, and then [0024] < The paint of Formulation Example 3> is roll-coated so that the dry film thickness is 20 μm, the adhesive or adhesive layer is roll-coated on one side, the release paper is applied to the single-sided adhesive or adhesive layer release side, and then the formulation A protective film was applied while releasing the sheet from the treated plastic film.
The configuration will be described with reference to FIG.
[0024] <Coating examples 2 and 4> are applied onto a plastic film treated with a release agent having a thickness of 50 μm so that the dry film thickness is 100 μm, dried at 120 ° C. for 10 minutes, and then applied to one side. An adhesive or adhesive layer was roll-coated, a release paper was applied to one side of the adhesive or adhesive layer, and then a protective film was applied while releasing the sheet from the molded plastic film.
The configuration will be described with reference to FIG.

Table 1 shows the test method, and Table 2 shows the results obtained by adhering or adhering the sheet to various materials, and further increasing the adhesive strength by applying temperature or increasing the hardness of the sheet surface.

  The sheet of the present invention can be used for CO2 reduction measures by replacing it with paint in the factory in automobiles and industries that require painting.

, , It is the schematic of a sheet | seat structure.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Release paper 2 Adhesion or adhesive 3 Digital printing 4 Coating film 5 Release agent 6 Plastic film (base material)
7 Protective film 8 Aluminum film

Claims (8)

  A sheet obtained by applying a color paint and a clear paint on a plastic film treated with a release agent so as to have a dry film thickness of 5 to 300 μm, and releasing from the plastic film after drying. The sheet | seat characterized by performing for 1 to 60 minutes at the temperature of 40-170 degreeC.   The sheet according to claim 1 may be applied once or a plurality of times, and may be dried after each application or a plurality of times, and may be dried together. After drying, the sheet is released from the release agent-treated plastic film. A sheet characterized by.   3. The sheet according to claim 1, wherein a clear paint is applied on a plastic film treated with a release agent, and a design material is applied or printed on the dried coating film.   A sheet according to claim 1, wherein the sheet according to claim 1, 2 or 3 can be applied with an adhesive or an adhesive on a body.   A sheet characterized in that the sheet according to claim 1, claim 2, or claim 3 can be attached to a non-coated object under reduced pressure.   A sheet, wherein an adhesive or adhesive layer is provided on one side of the sheet according to claim 1, 2, 3, or 4.   A sheet comprising a protective film and a release paper on the sheet according to claim 1, 2, 3, 4, or 5.   The sheet according to claim 1, claim 2, claim 3, claim 4, claim 5 or claim 6 is adhered or bonded to various materials and may be left as it is, or the adhesive strength is increased by applying a temperature. Or increase the hardness of the sheet surface.

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